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| Rev | Author | Line No. | Line |
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| 2 | mjames | 1 | /** |
| 2 | ****************************************************************************** |
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| 3 | * @file stm32f0xx_ll_i2c.h |
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| 4 | * @author MCD Application Team |
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| 5 | * @brief Header file of I2C LL module. |
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| 6 | ****************************************************************************** |
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| 7 | * @attention |
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| 8 | * |
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| 9 | * <h2><center>© Copyright (c) 2016 STMicroelectronics. |
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| 10 | * All rights reserved.</center></h2> |
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| 11 | * |
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| 12 | * This software component is licensed by ST under BSD 3-Clause license, |
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| 13 | * the "License"; You may not use this file except in compliance with the |
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| 14 | * License. You may obtain a copy of the License at: |
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| 15 | * opensource.org/licenses/BSD-3-Clause |
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| 16 | * |
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| 17 | ****************************************************************************** |
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| 18 | */ |
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| 19 | |||
| 20 | /* Define to prevent recursive inclusion -------------------------------------*/ |
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| 21 | #ifndef STM32F0xx_LL_I2C_H |
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| 22 | #define STM32F0xx_LL_I2C_H |
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| 23 | |||
| 24 | #ifdef __cplusplus |
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| 25 | extern "C" { |
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| 26 | #endif |
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| 27 | |||
| 28 | /* Includes ------------------------------------------------------------------*/ |
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| 29 | #include "stm32f0xx.h" |
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| 30 | |||
| 31 | /** @addtogroup STM32F0xx_LL_Driver |
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| 32 | * @{ |
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| 33 | */ |
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| 34 | |||
| 35 | #if defined (I2C1) || defined (I2C2) |
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| 36 | |||
| 37 | /** @defgroup I2C_LL I2C |
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| 38 | * @{ |
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| 39 | */ |
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| 40 | |||
| 41 | /* Private types -------------------------------------------------------------*/ |
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| 42 | /* Private variables ---------------------------------------------------------*/ |
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| 43 | |||
| 44 | /* Private constants ---------------------------------------------------------*/ |
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| 45 | /** @defgroup I2C_LL_Private_Constants I2C Private Constants |
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| 46 | * @{ |
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| 47 | */ |
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| 48 | /** |
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| 49 | * @} |
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| 50 | */ |
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| 51 | |||
| 52 | /* Private macros ------------------------------------------------------------*/ |
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| 53 | #if defined(USE_FULL_LL_DRIVER) |
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| 54 | /** @defgroup I2C_LL_Private_Macros I2C Private Macros |
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| 55 | * @{ |
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| 56 | */ |
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| 57 | /** |
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| 58 | * @} |
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| 59 | */ |
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| 60 | #endif /*USE_FULL_LL_DRIVER*/ |
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| 61 | |||
| 62 | /* Exported types ------------------------------------------------------------*/ |
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| 63 | #if defined(USE_FULL_LL_DRIVER) |
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| 64 | /** @defgroup I2C_LL_ES_INIT I2C Exported Init structure |
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| 65 | * @{ |
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| 66 | */ |
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| 67 | typedef struct |
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| 68 | { |
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| 69 | uint32_t PeripheralMode; /*!< Specifies the peripheral mode. |
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| 70 | This parameter can be a value of @ref I2C_LL_EC_PERIPHERAL_MODE. |
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| 71 | |||
| 72 | This feature can be modified afterwards using unitary function |
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| 73 | @ref LL_I2C_SetMode(). */ |
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| 74 | |||
| 75 | uint32_t Timing; /*!< Specifies the SDA setup, hold time and the SCL high, low period values. |
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| 76 | This parameter must be set by referring to the STM32CubeMX Tool and |
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| 77 | the helper macro @ref __LL_I2C_CONVERT_TIMINGS(). |
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| 78 | |||
| 79 | This feature can be modified afterwards using unitary function |
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| 80 | @ref LL_I2C_SetTiming(). */ |
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| 81 | |||
| 82 | uint32_t AnalogFilter; /*!< Enables or disables analog noise filter. |
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| 83 | This parameter can be a value of @ref I2C_LL_EC_ANALOGFILTER_SELECTION. |
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| 84 | |||
| 85 | This feature can be modified afterwards using unitary functions |
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| 86 | @ref LL_I2C_EnableAnalogFilter() or LL_I2C_DisableAnalogFilter(). */ |
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| 87 | |||
| 88 | uint32_t DigitalFilter; /*!< Configures the digital noise filter. |
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| 89 | This parameter can be a number between Min_Data = 0x00 and Max_Data = 0x0F. |
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| 90 | |||
| 91 | This feature can be modified afterwards using unitary function |
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| 92 | @ref LL_I2C_SetDigitalFilter(). */ |
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| 93 | |||
| 94 | uint32_t OwnAddress1; /*!< Specifies the device own address 1. |
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| 95 | This parameter must be a value between Min_Data = 0x00 and Max_Data = 0x3FF. |
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| 96 | |||
| 97 | This feature can be modified afterwards using unitary function |
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| 98 | @ref LL_I2C_SetOwnAddress1(). */ |
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| 99 | |||
| 100 | uint32_t TypeAcknowledge; /*!< Specifies the ACKnowledge or Non ACKnowledge condition after the address receive |
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| 101 | match code or next received byte. |
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| 102 | This parameter can be a value of @ref I2C_LL_EC_I2C_ACKNOWLEDGE. |
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| 103 | |||
| 104 | This feature can be modified afterwards using unitary function |
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| 105 | @ref LL_I2C_AcknowledgeNextData(). */ |
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| 106 | |||
| 107 | uint32_t OwnAddrSize; /*!< Specifies the device own address 1 size (7-bit or 10-bit). |
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| 108 | This parameter can be a value of @ref I2C_LL_EC_OWNADDRESS1. |
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| 109 | |||
| 110 | This feature can be modified afterwards using unitary function |
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| 111 | @ref LL_I2C_SetOwnAddress1(). */ |
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| 112 | } LL_I2C_InitTypeDef; |
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| 113 | /** |
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| 114 | * @} |
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| 115 | */ |
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| 116 | #endif /*USE_FULL_LL_DRIVER*/ |
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| 117 | |||
| 118 | /* Exported constants --------------------------------------------------------*/ |
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| 119 | /** @defgroup I2C_LL_Exported_Constants I2C Exported Constants |
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| 120 | * @{ |
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| 121 | */ |
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| 122 | |||
| 123 | /** @defgroup I2C_LL_EC_CLEAR_FLAG Clear Flags Defines |
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| 124 | * @brief Flags defines which can be used with LL_I2C_WriteReg function |
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| 125 | * @{ |
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| 126 | */ |
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| 127 | #define LL_I2C_ICR_ADDRCF I2C_ICR_ADDRCF /*!< Address Matched flag */ |
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| 128 | #define LL_I2C_ICR_NACKCF I2C_ICR_NACKCF /*!< Not Acknowledge flag */ |
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| 129 | #define LL_I2C_ICR_STOPCF I2C_ICR_STOPCF /*!< Stop detection flag */ |
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| 130 | #define LL_I2C_ICR_BERRCF I2C_ICR_BERRCF /*!< Bus error flag */ |
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| 131 | #define LL_I2C_ICR_ARLOCF I2C_ICR_ARLOCF /*!< Arbitration Lost flag */ |
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| 132 | #define LL_I2C_ICR_OVRCF I2C_ICR_OVRCF /*!< Overrun/Underrun flag */ |
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| 133 | #define LL_I2C_ICR_PECCF I2C_ICR_PECCF /*!< PEC error flag */ |
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| 134 | #define LL_I2C_ICR_TIMOUTCF I2C_ICR_TIMOUTCF /*!< Timeout detection flag */ |
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| 135 | #define LL_I2C_ICR_ALERTCF I2C_ICR_ALERTCF /*!< Alert flag */ |
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| 136 | /** |
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| 137 | * @} |
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| 138 | */ |
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| 139 | |||
| 140 | /** @defgroup I2C_LL_EC_GET_FLAG Get Flags Defines |
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| 141 | * @brief Flags defines which can be used with LL_I2C_ReadReg function |
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| 142 | * @{ |
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| 143 | */ |
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| 144 | #define LL_I2C_ISR_TXE I2C_ISR_TXE /*!< Transmit data register empty */ |
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| 145 | #define LL_I2C_ISR_TXIS I2C_ISR_TXIS /*!< Transmit interrupt status */ |
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| 146 | #define LL_I2C_ISR_RXNE I2C_ISR_RXNE /*!< Receive data register not empty */ |
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| 147 | #define LL_I2C_ISR_ADDR I2C_ISR_ADDR /*!< Address matched (slave mode) */ |
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| 148 | #define LL_I2C_ISR_NACKF I2C_ISR_NACKF /*!< Not Acknowledge received flag */ |
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| 149 | #define LL_I2C_ISR_STOPF I2C_ISR_STOPF /*!< Stop detection flag */ |
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| 150 | #define LL_I2C_ISR_TC I2C_ISR_TC /*!< Transfer Complete (master mode) */ |
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| 151 | #define LL_I2C_ISR_TCR I2C_ISR_TCR /*!< Transfer Complete Reload */ |
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| 152 | #define LL_I2C_ISR_BERR I2C_ISR_BERR /*!< Bus error */ |
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| 153 | #define LL_I2C_ISR_ARLO I2C_ISR_ARLO /*!< Arbitration lost */ |
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| 154 | #define LL_I2C_ISR_OVR I2C_ISR_OVR /*!< Overrun/Underrun (slave mode) */ |
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| 155 | #define LL_I2C_ISR_PECERR I2C_ISR_PECERR /*!< PEC Error in reception (SMBus mode) */ |
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| 156 | #define LL_I2C_ISR_TIMEOUT I2C_ISR_TIMEOUT /*!< Timeout detection flag (SMBus mode) */ |
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| 157 | #define LL_I2C_ISR_ALERT I2C_ISR_ALERT /*!< SMBus alert (SMBus mode) */ |
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| 158 | #define LL_I2C_ISR_BUSY I2C_ISR_BUSY /*!< Bus busy */ |
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| 159 | /** |
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| 160 | * @} |
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| 161 | */ |
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| 162 | |||
| 163 | /** @defgroup I2C_LL_EC_IT IT Defines |
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| 164 | * @brief IT defines which can be used with LL_I2C_ReadReg and LL_I2C_WriteReg functions |
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| 165 | * @{ |
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| 166 | */ |
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| 167 | #define LL_I2C_CR1_TXIE I2C_CR1_TXIE /*!< TX Interrupt enable */ |
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| 168 | #define LL_I2C_CR1_RXIE I2C_CR1_RXIE /*!< RX Interrupt enable */ |
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| 169 | #define LL_I2C_CR1_ADDRIE I2C_CR1_ADDRIE /*!< Address match Interrupt enable (slave only) */ |
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| 170 | #define LL_I2C_CR1_NACKIE I2C_CR1_NACKIE /*!< Not acknowledge received Interrupt enable */ |
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| 171 | #define LL_I2C_CR1_STOPIE I2C_CR1_STOPIE /*!< STOP detection Interrupt enable */ |
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| 172 | #define LL_I2C_CR1_TCIE I2C_CR1_TCIE /*!< Transfer Complete interrupt enable */ |
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| 173 | #define LL_I2C_CR1_ERRIE I2C_CR1_ERRIE /*!< Error interrupts enable */ |
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| 174 | /** |
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| 175 | * @} |
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| 176 | */ |
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| 177 | |||
| 178 | /** @defgroup I2C_LL_EC_PERIPHERAL_MODE Peripheral Mode |
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| 179 | * @{ |
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| 180 | */ |
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| 181 | #define LL_I2C_MODE_I2C 0x00000000U /*!< I2C Master or Slave mode */ |
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| 182 | #define LL_I2C_MODE_SMBUS_HOST I2C_CR1_SMBHEN /*!< SMBus Host address acknowledge */ |
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| 183 | #define LL_I2C_MODE_SMBUS_DEVICE 0x00000000U /*!< SMBus Device default mode |
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| 184 | (Default address not acknowledge) */ |
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| 185 | #define LL_I2C_MODE_SMBUS_DEVICE_ARP I2C_CR1_SMBDEN /*!< SMBus Device Default address acknowledge */ |
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| 186 | /** |
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| 187 | * @} |
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| 188 | */ |
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| 189 | |||
| 190 | /** @defgroup I2C_LL_EC_ANALOGFILTER_SELECTION Analog Filter Selection |
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| 191 | * @{ |
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| 192 | */ |
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| 193 | #define LL_I2C_ANALOGFILTER_ENABLE 0x00000000U /*!< Analog filter is enabled. */ |
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| 194 | #define LL_I2C_ANALOGFILTER_DISABLE I2C_CR1_ANFOFF /*!< Analog filter is disabled. */ |
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| 195 | /** |
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| 196 | * @} |
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| 197 | */ |
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| 198 | |||
| 199 | /** @defgroup I2C_LL_EC_ADDRESSING_MODE Master Addressing Mode |
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| 200 | * @{ |
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| 201 | */ |
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| 202 | #define LL_I2C_ADDRESSING_MODE_7BIT 0x00000000U /*!< Master operates in 7-bit addressing mode. */ |
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| 203 | #define LL_I2C_ADDRESSING_MODE_10BIT I2C_CR2_ADD10 /*!< Master operates in 10-bit addressing mode.*/ |
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| 204 | /** |
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| 205 | * @} |
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| 206 | */ |
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| 207 | |||
| 208 | /** @defgroup I2C_LL_EC_OWNADDRESS1 Own Address 1 Length |
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| 209 | * @{ |
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| 210 | */ |
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| 211 | #define LL_I2C_OWNADDRESS1_7BIT 0x00000000U /*!< Own address 1 is a 7-bit address. */ |
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| 212 | #define LL_I2C_OWNADDRESS1_10BIT I2C_OAR1_OA1MODE /*!< Own address 1 is a 10-bit address.*/ |
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| 213 | /** |
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| 214 | * @} |
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| 215 | */ |
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| 216 | |||
| 217 | /** @defgroup I2C_LL_EC_OWNADDRESS2 Own Address 2 Masks |
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| 218 | * @{ |
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| 219 | */ |
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| 220 | #define LL_I2C_OWNADDRESS2_NOMASK I2C_OAR2_OA2NOMASK /*!< Own Address2 No mask. */ |
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| 221 | #define LL_I2C_OWNADDRESS2_MASK01 I2C_OAR2_OA2MASK01 /*!< Only Address2 bits[7:2] are compared. */ |
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| 222 | #define LL_I2C_OWNADDRESS2_MASK02 I2C_OAR2_OA2MASK02 /*!< Only Address2 bits[7:3] are compared. */ |
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| 223 | #define LL_I2C_OWNADDRESS2_MASK03 I2C_OAR2_OA2MASK03 /*!< Only Address2 bits[7:4] are compared. */ |
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| 224 | #define LL_I2C_OWNADDRESS2_MASK04 I2C_OAR2_OA2MASK04 /*!< Only Address2 bits[7:5] are compared. */ |
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| 225 | #define LL_I2C_OWNADDRESS2_MASK05 I2C_OAR2_OA2MASK05 /*!< Only Address2 bits[7:6] are compared. */ |
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| 226 | #define LL_I2C_OWNADDRESS2_MASK06 I2C_OAR2_OA2MASK06 /*!< Only Address2 bits[7] are compared. */ |
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| 227 | #define LL_I2C_OWNADDRESS2_MASK07 I2C_OAR2_OA2MASK07 /*!< No comparison is done. |
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| 228 | All Address2 are acknowledged. */ |
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| 229 | /** |
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| 230 | * @} |
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| 231 | */ |
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| 232 | |||
| 233 | /** @defgroup I2C_LL_EC_I2C_ACKNOWLEDGE Acknowledge Generation |
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| 234 | * @{ |
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| 235 | */ |
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| 236 | #define LL_I2C_ACK 0x00000000U /*!< ACK is sent after current received byte. */ |
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| 237 | #define LL_I2C_NACK I2C_CR2_NACK /*!< NACK is sent after current received byte.*/ |
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| 238 | /** |
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| 239 | * @} |
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| 240 | */ |
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| 241 | |||
| 242 | /** @defgroup I2C_LL_EC_ADDRSLAVE Slave Address Length |
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| 243 | * @{ |
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| 244 | */ |
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| 245 | #define LL_I2C_ADDRSLAVE_7BIT 0x00000000U /*!< Slave Address in 7-bit. */ |
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| 246 | #define LL_I2C_ADDRSLAVE_10BIT I2C_CR2_ADD10 /*!< Slave Address in 10-bit.*/ |
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| 247 | /** |
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| 248 | * @} |
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| 249 | */ |
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| 250 | |||
| 251 | /** @defgroup I2C_LL_EC_REQUEST Transfer Request Direction |
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| 252 | * @{ |
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| 253 | */ |
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| 254 | #define LL_I2C_REQUEST_WRITE 0x00000000U /*!< Master request a write transfer. */ |
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| 255 | #define LL_I2C_REQUEST_READ I2C_CR2_RD_WRN /*!< Master request a read transfer. */ |
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| 256 | /** |
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| 257 | * @} |
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| 258 | */ |
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| 259 | |||
| 260 | /** @defgroup I2C_LL_EC_MODE Transfer End Mode |
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| 261 | * @{ |
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| 262 | */ |
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| 263 | #define LL_I2C_MODE_RELOAD I2C_CR2_RELOAD /*!< Enable I2C Reload mode. */ |
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| 264 | #define LL_I2C_MODE_AUTOEND I2C_CR2_AUTOEND /*!< Enable I2C Automatic end mode |
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| 265 | with no HW PEC comparison. */ |
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| 266 | #define LL_I2C_MODE_SOFTEND 0x00000000U /*!< Enable I2C Software end mode |
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| 267 | with no HW PEC comparison. */ |
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| 268 | #define LL_I2C_MODE_SMBUS_RELOAD LL_I2C_MODE_RELOAD /*!< Enable SMBUS Automatic end mode |
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| 269 | with HW PEC comparison. */ |
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| 270 | #define LL_I2C_MODE_SMBUS_AUTOEND_NO_PEC LL_I2C_MODE_AUTOEND /*!< Enable SMBUS Automatic end mode |
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| 271 | with HW PEC comparison. */ |
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| 272 | #define LL_I2C_MODE_SMBUS_SOFTEND_NO_PEC LL_I2C_MODE_SOFTEND /*!< Enable SMBUS Software end mode |
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| 273 | with HW PEC comparison. */ |
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| 274 | #define LL_I2C_MODE_SMBUS_AUTOEND_WITH_PEC (uint32_t)(LL_I2C_MODE_AUTOEND | I2C_CR2_PECBYTE) |
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| 275 | /*!< Enable SMBUS Automatic end mode with HW PEC comparison. */ |
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| 276 | #define LL_I2C_MODE_SMBUS_SOFTEND_WITH_PEC (uint32_t)(LL_I2C_MODE_SOFTEND | I2C_CR2_PECBYTE) |
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| 277 | /*!< Enable SMBUS Software end mode with HW PEC comparison. */ |
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| 278 | /** |
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| 279 | * @} |
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| 280 | */ |
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| 281 | |||
| 282 | /** @defgroup I2C_LL_EC_GENERATE Start And Stop Generation |
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| 283 | * @{ |
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| 284 | */ |
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| 285 | #define LL_I2C_GENERATE_NOSTARTSTOP 0x00000000U |
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| 286 | /*!< Don't Generate Stop and Start condition. */ |
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| 287 | #define LL_I2C_GENERATE_STOP (uint32_t)(0x80000000U | I2C_CR2_STOP) |
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| 288 | /*!< Generate Stop condition (Size should be set to 0). */ |
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| 289 | #define LL_I2C_GENERATE_START_READ (uint32_t)(0x80000000U | I2C_CR2_START | I2C_CR2_RD_WRN) |
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| 290 | /*!< Generate Start for read request. */ |
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| 291 | #define LL_I2C_GENERATE_START_WRITE (uint32_t)(0x80000000U | I2C_CR2_START) |
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| 292 | /*!< Generate Start for write request. */ |
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| 293 | #define LL_I2C_GENERATE_RESTART_7BIT_READ (uint32_t)(0x80000000U | I2C_CR2_START | I2C_CR2_RD_WRN) |
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| 294 | /*!< Generate Restart for read request, slave 7Bit address. */ |
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| 295 | #define LL_I2C_GENERATE_RESTART_7BIT_WRITE (uint32_t)(0x80000000U | I2C_CR2_START) |
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| 296 | /*!< Generate Restart for write request, slave 7Bit address. */ |
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| 297 | #define LL_I2C_GENERATE_RESTART_10BIT_READ (uint32_t)(0x80000000U | I2C_CR2_START | \ |
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| 298 | I2C_CR2_RD_WRN | I2C_CR2_HEAD10R) |
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| 299 | /*!< Generate Restart for read request, slave 10Bit address. */ |
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| 300 | #define LL_I2C_GENERATE_RESTART_10BIT_WRITE (uint32_t)(0x80000000U | I2C_CR2_START) |
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| 301 | /*!< Generate Restart for write request, slave 10Bit address.*/ |
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| 302 | /** |
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| 303 | * @} |
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| 304 | */ |
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| 305 | |||
| 306 | /** @defgroup I2C_LL_EC_DIRECTION Read Write Direction |
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| 307 | * @{ |
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| 308 | */ |
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| 309 | #define LL_I2C_DIRECTION_WRITE 0x00000000U /*!< Write transfer request by master, |
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| 310 | slave enters receiver mode. */ |
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| 311 | #define LL_I2C_DIRECTION_READ I2C_ISR_DIR /*!< Read transfer request by master, |
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| 312 | slave enters transmitter mode.*/ |
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| 313 | /** |
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| 314 | * @} |
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| 315 | */ |
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| 316 | |||
| 317 | /** @defgroup I2C_LL_EC_DMA_REG_DATA DMA Register Data |
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| 318 | * @{ |
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| 319 | */ |
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| 320 | #define LL_I2C_DMA_REG_DATA_TRANSMIT 0x00000000U /*!< Get address of data register used for |
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| 321 | transmission */ |
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| 322 | #define LL_I2C_DMA_REG_DATA_RECEIVE 0x00000001U /*!< Get address of data register used for |
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| 323 | reception */ |
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| 324 | /** |
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| 325 | * @} |
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| 326 | */ |
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| 327 | |||
| 328 | /** @defgroup I2C_LL_EC_SMBUS_TIMEOUTA_MODE SMBus TimeoutA Mode SCL SDA Timeout |
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| 329 | * @{ |
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| 330 | */ |
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| 331 | #define LL_I2C_SMBUS_TIMEOUTA_MODE_SCL_LOW 0x00000000U /*!< TimeoutA is used to detect |
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| 332 | SCL low level timeout. */ |
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| 333 | #define LL_I2C_SMBUS_TIMEOUTA_MODE_SDA_SCL_HIGH I2C_TIMEOUTR_TIDLE /*!< TimeoutA is used to detect |
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| 334 | both SCL and SDA high level timeout.*/ |
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| 335 | /** |
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| 336 | * @} |
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| 337 | */ |
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| 338 | |||
| 339 | /** @defgroup I2C_LL_EC_SMBUS_TIMEOUT_SELECTION SMBus Timeout Selection |
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| 340 | * @{ |
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| 341 | */ |
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| 342 | #define LL_I2C_SMBUS_TIMEOUTA I2C_TIMEOUTR_TIMOUTEN /*!< TimeoutA enable bit */ |
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| 343 | #define LL_I2C_SMBUS_TIMEOUTB I2C_TIMEOUTR_TEXTEN /*!< TimeoutB (extended clock) |
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| 344 | enable bit */ |
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| 345 | #define LL_I2C_SMBUS_ALL_TIMEOUT (uint32_t)(I2C_TIMEOUTR_TIMOUTEN | \ |
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| 346 | I2C_TIMEOUTR_TEXTEN) /*!< TimeoutA and TimeoutB |
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| 347 | (extended clock) enable bits */ |
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| 348 | /** |
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| 349 | * @} |
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| 350 | */ |
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| 351 | |||
| 352 | /** |
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| 353 | * @} |
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| 354 | */ |
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| 355 | |||
| 356 | /* Exported macro ------------------------------------------------------------*/ |
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| 357 | /** @defgroup I2C_LL_Exported_Macros I2C Exported Macros |
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| 358 | * @{ |
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| 359 | */ |
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| 360 | |||
| 361 | /** @defgroup I2C_LL_EM_WRITE_READ Common Write and read registers Macros |
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| 362 | * @{ |
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| 363 | */ |
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| 364 | |||
| 365 | /** |
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| 366 | * @brief Write a value in I2C register |
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| 367 | * @param __INSTANCE__ I2C Instance |
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| 368 | * @param __REG__ Register to be written |
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| 369 | * @param __VALUE__ Value to be written in the register |
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| 370 | * @retval None |
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| 371 | */ |
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| 372 | #define LL_I2C_WriteReg(__INSTANCE__, __REG__, __VALUE__) WRITE_REG(__INSTANCE__->__REG__, (__VALUE__)) |
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| 373 | |||
| 374 | /** |
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| 375 | * @brief Read a value in I2C register |
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| 376 | * @param __INSTANCE__ I2C Instance |
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| 377 | * @param __REG__ Register to be read |
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| 378 | * @retval Register value |
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| 379 | */ |
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| 380 | #define LL_I2C_ReadReg(__INSTANCE__, __REG__) READ_REG(__INSTANCE__->__REG__) |
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| 381 | /** |
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| 382 | * @} |
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| 383 | */ |
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| 384 | |||
| 385 | /** @defgroup I2C_LL_EM_CONVERT_TIMINGS Convert SDA SCL timings |
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| 386 | * @{ |
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| 387 | */ |
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| 388 | /** |
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| 389 | * @brief Configure the SDA setup, hold time and the SCL high, low period. |
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| 390 | * @param __PRESCALER__ This parameter must be a value between Min_Data=0 and Max_Data=0xF. |
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| 391 | * @param __SETUP_TIME__ This parameter must be a value between Min_Data=0 and Max_Data=0xF. |
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| 392 | (tscldel = (SCLDEL+1)xtpresc) |
||
| 393 | * @param __HOLD_TIME__ This parameter must be a value between Min_Data=0 and Max_Data=0xF. |
||
| 394 | (tsdadel = SDADELxtpresc) |
||
| 395 | * @param __SCLH_PERIOD__ This parameter must be a value between Min_Data=0 and Max_Data=0xFF. |
||
| 396 | (tsclh = (SCLH+1)xtpresc) |
||
| 397 | * @param __SCLL_PERIOD__ This parameter must be a value between Min_Data=0 and Max_Data=0xFF. |
||
| 398 | (tscll = (SCLL+1)xtpresc) |
||
| 399 | * @retval Value between Min_Data=0 and Max_Data=0xFFFFFFFF |
||
| 400 | */ |
||
| 401 | #define __LL_I2C_CONVERT_TIMINGS(__PRESCALER__, __SETUP_TIME__, __HOLD_TIME__, __SCLH_PERIOD__, __SCLL_PERIOD__) \ |
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| 402 | ((((uint32_t)(__PRESCALER__) << I2C_TIMINGR_PRESC_Pos) & I2C_TIMINGR_PRESC) | \ |
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| 403 | (((uint32_t)(__SETUP_TIME__) << I2C_TIMINGR_SCLDEL_Pos) & I2C_TIMINGR_SCLDEL) | \ |
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| 404 | (((uint32_t)(__HOLD_TIME__) << I2C_TIMINGR_SDADEL_Pos) & I2C_TIMINGR_SDADEL) | \ |
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| 405 | (((uint32_t)(__SCLH_PERIOD__) << I2C_TIMINGR_SCLH_Pos) & I2C_TIMINGR_SCLH) | \ |
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| 406 | (((uint32_t)(__SCLL_PERIOD__) << I2C_TIMINGR_SCLL_Pos) & I2C_TIMINGR_SCLL)) |
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| 407 | /** |
||
| 408 | * @} |
||
| 409 | */ |
||
| 410 | |||
| 411 | /** |
||
| 412 | * @} |
||
| 413 | */ |
||
| 414 | |||
| 415 | /* Exported functions --------------------------------------------------------*/ |
||
| 416 | /** @defgroup I2C_LL_Exported_Functions I2C Exported Functions |
||
| 417 | * @{ |
||
| 418 | */ |
||
| 419 | |||
| 420 | /** @defgroup I2C_LL_EF_Configuration Configuration |
||
| 421 | * @{ |
||
| 422 | */ |
||
| 423 | |||
| 424 | /** |
||
| 425 | * @brief Enable I2C peripheral (PE = 1). |
||
| 426 | * @rmtoll CR1 PE LL_I2C_Enable |
||
| 427 | * @param I2Cx I2C Instance. |
||
| 428 | * @retval None |
||
| 429 | */ |
||
| 430 | __STATIC_INLINE void LL_I2C_Enable(I2C_TypeDef *I2Cx) |
||
| 431 | { |
||
| 432 | SET_BIT(I2Cx->CR1, I2C_CR1_PE); |
||
| 433 | } |
||
| 434 | |||
| 435 | /** |
||
| 436 | * @brief Disable I2C peripheral (PE = 0). |
||
| 437 | * @note When PE = 0, the I2C SCL and SDA lines are released. |
||
| 438 | * Internal state machines and status bits are put back to their reset value. |
||
| 439 | * When cleared, PE must be kept low for at least 3 APB clock cycles. |
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| 440 | * @rmtoll CR1 PE LL_I2C_Disable |
||
| 441 | * @param I2Cx I2C Instance. |
||
| 442 | * @retval None |
||
| 443 | */ |
||
| 444 | __STATIC_INLINE void LL_I2C_Disable(I2C_TypeDef *I2Cx) |
||
| 445 | { |
||
| 446 | CLEAR_BIT(I2Cx->CR1, I2C_CR1_PE); |
||
| 447 | } |
||
| 448 | |||
| 449 | /** |
||
| 450 | * @brief Check if the I2C peripheral is enabled or disabled. |
||
| 451 | * @rmtoll CR1 PE LL_I2C_IsEnabled |
||
| 452 | * @param I2Cx I2C Instance. |
||
| 453 | * @retval State of bit (1 or 0). |
||
| 454 | */ |
||
| 455 | __STATIC_INLINE uint32_t LL_I2C_IsEnabled(I2C_TypeDef *I2Cx) |
||
| 456 | { |
||
| 457 | return ((READ_BIT(I2Cx->CR1, I2C_CR1_PE) == (I2C_CR1_PE)) ? 1UL : 0UL); |
||
| 458 | } |
||
| 459 | |||
| 460 | /** |
||
| 461 | * @brief Configure Noise Filters (Analog and Digital). |
||
| 462 | * @note If the analog filter is also enabled, the digital filter is added to analog filter. |
||
| 463 | * The filters can only be programmed when the I2C is disabled (PE = 0). |
||
| 464 | * @rmtoll CR1 ANFOFF LL_I2C_ConfigFilters\n |
||
| 465 | * CR1 DNF LL_I2C_ConfigFilters |
||
| 466 | * @param I2Cx I2C Instance. |
||
| 467 | * @param AnalogFilter This parameter can be one of the following values: |
||
| 468 | * @arg @ref LL_I2C_ANALOGFILTER_ENABLE |
||
| 469 | * @arg @ref LL_I2C_ANALOGFILTER_DISABLE |
||
| 470 | * @param DigitalFilter This parameter must be a value between Min_Data=0x00 (Digital filter disabled) |
||
| 471 | and Max_Data=0x0F (Digital filter enabled and filtering capability up to 15*ti2cclk). |
||
| 472 | * This parameter is used to configure the digital noise filter on SDA and SCL input. |
||
| 473 | * The digital filter will filter spikes with a length of up to DNF[3:0]*ti2cclk. |
||
| 474 | * @retval None |
||
| 475 | */ |
||
| 476 | __STATIC_INLINE void LL_I2C_ConfigFilters(I2C_TypeDef *I2Cx, uint32_t AnalogFilter, uint32_t DigitalFilter) |
||
| 477 | { |
||
| 478 | MODIFY_REG(I2Cx->CR1, I2C_CR1_ANFOFF | I2C_CR1_DNF, AnalogFilter | (DigitalFilter << I2C_CR1_DNF_Pos)); |
||
| 479 | } |
||
| 480 | |||
| 481 | /** |
||
| 482 | * @brief Configure Digital Noise Filter. |
||
| 483 | * @note If the analog filter is also enabled, the digital filter is added to analog filter. |
||
| 484 | * This filter can only be programmed when the I2C is disabled (PE = 0). |
||
| 485 | * @rmtoll CR1 DNF LL_I2C_SetDigitalFilter |
||
| 486 | * @param I2Cx I2C Instance. |
||
| 487 | * @param DigitalFilter This parameter must be a value between Min_Data=0x00 (Digital filter disabled) |
||
| 488 | and Max_Data=0x0F (Digital filter enabled and filtering capability up to 15*ti2cclk). |
||
| 489 | * This parameter is used to configure the digital noise filter on SDA and SCL input. |
||
| 490 | * The digital filter will filter spikes with a length of up to DNF[3:0]*ti2cclk. |
||
| 491 | * @retval None |
||
| 492 | */ |
||
| 493 | __STATIC_INLINE void LL_I2C_SetDigitalFilter(I2C_TypeDef *I2Cx, uint32_t DigitalFilter) |
||
| 494 | { |
||
| 495 | MODIFY_REG(I2Cx->CR1, I2C_CR1_DNF, DigitalFilter << I2C_CR1_DNF_Pos); |
||
| 496 | } |
||
| 497 | |||
| 498 | /** |
||
| 499 | * @brief Get the current Digital Noise Filter configuration. |
||
| 500 | * @rmtoll CR1 DNF LL_I2C_GetDigitalFilter |
||
| 501 | * @param I2Cx I2C Instance. |
||
| 502 | * @retval Value between Min_Data=0x0 and Max_Data=0xF |
||
| 503 | */ |
||
| 504 | __STATIC_INLINE uint32_t LL_I2C_GetDigitalFilter(I2C_TypeDef *I2Cx) |
||
| 505 | { |
||
| 506 | return (uint32_t)(READ_BIT(I2Cx->CR1, I2C_CR1_DNF) >> I2C_CR1_DNF_Pos); |
||
| 507 | } |
||
| 508 | |||
| 509 | /** |
||
| 510 | * @brief Enable Analog Noise Filter. |
||
| 511 | * @note This filter can only be programmed when the I2C is disabled (PE = 0). |
||
| 512 | * @rmtoll CR1 ANFOFF LL_I2C_EnableAnalogFilter |
||
| 513 | * @param I2Cx I2C Instance. |
||
| 514 | * @retval None |
||
| 515 | */ |
||
| 516 | __STATIC_INLINE void LL_I2C_EnableAnalogFilter(I2C_TypeDef *I2Cx) |
||
| 517 | { |
||
| 518 | CLEAR_BIT(I2Cx->CR1, I2C_CR1_ANFOFF); |
||
| 519 | } |
||
| 520 | |||
| 521 | /** |
||
| 522 | * @brief Disable Analog Noise Filter. |
||
| 523 | * @note This filter can only be programmed when the I2C is disabled (PE = 0). |
||
| 524 | * @rmtoll CR1 ANFOFF LL_I2C_DisableAnalogFilter |
||
| 525 | * @param I2Cx I2C Instance. |
||
| 526 | * @retval None |
||
| 527 | */ |
||
| 528 | __STATIC_INLINE void LL_I2C_DisableAnalogFilter(I2C_TypeDef *I2Cx) |
||
| 529 | { |
||
| 530 | SET_BIT(I2Cx->CR1, I2C_CR1_ANFOFF); |
||
| 531 | } |
||
| 532 | |||
| 533 | /** |
||
| 534 | * @brief Check if Analog Noise Filter is enabled or disabled. |
||
| 535 | * @rmtoll CR1 ANFOFF LL_I2C_IsEnabledAnalogFilter |
||
| 536 | * @param I2Cx I2C Instance. |
||
| 537 | * @retval State of bit (1 or 0). |
||
| 538 | */ |
||
| 539 | __STATIC_INLINE uint32_t LL_I2C_IsEnabledAnalogFilter(I2C_TypeDef *I2Cx) |
||
| 540 | { |
||
| 541 | return ((READ_BIT(I2Cx->CR1, I2C_CR1_ANFOFF) != (I2C_CR1_ANFOFF)) ? 1UL : 0UL); |
||
| 542 | } |
||
| 543 | |||
| 544 | /** |
||
| 545 | * @brief Enable DMA transmission requests. |
||
| 546 | * @rmtoll CR1 TXDMAEN LL_I2C_EnableDMAReq_TX |
||
| 547 | * @param I2Cx I2C Instance. |
||
| 548 | * @retval None |
||
| 549 | */ |
||
| 550 | __STATIC_INLINE void LL_I2C_EnableDMAReq_TX(I2C_TypeDef *I2Cx) |
||
| 551 | { |
||
| 552 | SET_BIT(I2Cx->CR1, I2C_CR1_TXDMAEN); |
||
| 553 | } |
||
| 554 | |||
| 555 | /** |
||
| 556 | * @brief Disable DMA transmission requests. |
||
| 557 | * @rmtoll CR1 TXDMAEN LL_I2C_DisableDMAReq_TX |
||
| 558 | * @param I2Cx I2C Instance. |
||
| 559 | * @retval None |
||
| 560 | */ |
||
| 561 | __STATIC_INLINE void LL_I2C_DisableDMAReq_TX(I2C_TypeDef *I2Cx) |
||
| 562 | { |
||
| 563 | CLEAR_BIT(I2Cx->CR1, I2C_CR1_TXDMAEN); |
||
| 564 | } |
||
| 565 | |||
| 566 | /** |
||
| 567 | * @brief Check if DMA transmission requests are enabled or disabled. |
||
| 568 | * @rmtoll CR1 TXDMAEN LL_I2C_IsEnabledDMAReq_TX |
||
| 569 | * @param I2Cx I2C Instance. |
||
| 570 | * @retval State of bit (1 or 0). |
||
| 571 | */ |
||
| 572 | __STATIC_INLINE uint32_t LL_I2C_IsEnabledDMAReq_TX(I2C_TypeDef *I2Cx) |
||
| 573 | { |
||
| 574 | return ((READ_BIT(I2Cx->CR1, I2C_CR1_TXDMAEN) == (I2C_CR1_TXDMAEN)) ? 1UL : 0UL); |
||
| 575 | } |
||
| 576 | |||
| 577 | /** |
||
| 578 | * @brief Enable DMA reception requests. |
||
| 579 | * @rmtoll CR1 RXDMAEN LL_I2C_EnableDMAReq_RX |
||
| 580 | * @param I2Cx I2C Instance. |
||
| 581 | * @retval None |
||
| 582 | */ |
||
| 583 | __STATIC_INLINE void LL_I2C_EnableDMAReq_RX(I2C_TypeDef *I2Cx) |
||
| 584 | { |
||
| 585 | SET_BIT(I2Cx->CR1, I2C_CR1_RXDMAEN); |
||
| 586 | } |
||
| 587 | |||
| 588 | /** |
||
| 589 | * @brief Disable DMA reception requests. |
||
| 590 | * @rmtoll CR1 RXDMAEN LL_I2C_DisableDMAReq_RX |
||
| 591 | * @param I2Cx I2C Instance. |
||
| 592 | * @retval None |
||
| 593 | */ |
||
| 594 | __STATIC_INLINE void LL_I2C_DisableDMAReq_RX(I2C_TypeDef *I2Cx) |
||
| 595 | { |
||
| 596 | CLEAR_BIT(I2Cx->CR1, I2C_CR1_RXDMAEN); |
||
| 597 | } |
||
| 598 | |||
| 599 | /** |
||
| 600 | * @brief Check if DMA reception requests are enabled or disabled. |
||
| 601 | * @rmtoll CR1 RXDMAEN LL_I2C_IsEnabledDMAReq_RX |
||
| 602 | * @param I2Cx I2C Instance. |
||
| 603 | * @retval State of bit (1 or 0). |
||
| 604 | */ |
||
| 605 | __STATIC_INLINE uint32_t LL_I2C_IsEnabledDMAReq_RX(I2C_TypeDef *I2Cx) |
||
| 606 | { |
||
| 607 | return ((READ_BIT(I2Cx->CR1, I2C_CR1_RXDMAEN) == (I2C_CR1_RXDMAEN)) ? 1UL : 0UL); |
||
| 608 | } |
||
| 609 | |||
| 610 | /** |
||
| 611 | * @brief Get the data register address used for DMA transfer |
||
| 612 | * @rmtoll TXDR TXDATA LL_I2C_DMA_GetRegAddr\n |
||
| 613 | * RXDR RXDATA LL_I2C_DMA_GetRegAddr |
||
| 614 | * @param I2Cx I2C Instance |
||
| 615 | * @param Direction This parameter can be one of the following values: |
||
| 616 | * @arg @ref LL_I2C_DMA_REG_DATA_TRANSMIT |
||
| 617 | * @arg @ref LL_I2C_DMA_REG_DATA_RECEIVE |
||
| 618 | * @retval Address of data register |
||
| 619 | */ |
||
| 620 | __STATIC_INLINE uint32_t LL_I2C_DMA_GetRegAddr(I2C_TypeDef *I2Cx, uint32_t Direction) |
||
| 621 | { |
||
| 622 | uint32_t data_reg_addr; |
||
| 623 | |||
| 624 | if (Direction == LL_I2C_DMA_REG_DATA_TRANSMIT) |
||
| 625 | { |
||
| 626 | /* return address of TXDR register */ |
||
| 627 | data_reg_addr = (uint32_t) &(I2Cx->TXDR); |
||
| 628 | } |
||
| 629 | else |
||
| 630 | { |
||
| 631 | /* return address of RXDR register */ |
||
| 632 | data_reg_addr = (uint32_t) &(I2Cx->RXDR); |
||
| 633 | } |
||
| 634 | |||
| 635 | return data_reg_addr; |
||
| 636 | } |
||
| 637 | |||
| 638 | /** |
||
| 639 | * @brief Enable Clock stretching. |
||
| 640 | * @note This bit can only be programmed when the I2C is disabled (PE = 0). |
||
| 641 | * @rmtoll CR1 NOSTRETCH LL_I2C_EnableClockStretching |
||
| 642 | * @param I2Cx I2C Instance. |
||
| 643 | * @retval None |
||
| 644 | */ |
||
| 645 | __STATIC_INLINE void LL_I2C_EnableClockStretching(I2C_TypeDef *I2Cx) |
||
| 646 | { |
||
| 647 | CLEAR_BIT(I2Cx->CR1, I2C_CR1_NOSTRETCH); |
||
| 648 | } |
||
| 649 | |||
| 650 | /** |
||
| 651 | * @brief Disable Clock stretching. |
||
| 652 | * @note This bit can only be programmed when the I2C is disabled (PE = 0). |
||
| 653 | * @rmtoll CR1 NOSTRETCH LL_I2C_DisableClockStretching |
||
| 654 | * @param I2Cx I2C Instance. |
||
| 655 | * @retval None |
||
| 656 | */ |
||
| 657 | __STATIC_INLINE void LL_I2C_DisableClockStretching(I2C_TypeDef *I2Cx) |
||
| 658 | { |
||
| 659 | SET_BIT(I2Cx->CR1, I2C_CR1_NOSTRETCH); |
||
| 660 | } |
||
| 661 | |||
| 662 | /** |
||
| 663 | * @brief Check if Clock stretching is enabled or disabled. |
||
| 664 | * @rmtoll CR1 NOSTRETCH LL_I2C_IsEnabledClockStretching |
||
| 665 | * @param I2Cx I2C Instance. |
||
| 666 | * @retval State of bit (1 or 0). |
||
| 667 | */ |
||
| 668 | __STATIC_INLINE uint32_t LL_I2C_IsEnabledClockStretching(I2C_TypeDef *I2Cx) |
||
| 669 | { |
||
| 670 | return ((READ_BIT(I2Cx->CR1, I2C_CR1_NOSTRETCH) != (I2C_CR1_NOSTRETCH)) ? 1UL : 0UL); |
||
| 671 | } |
||
| 672 | |||
| 673 | /** |
||
| 674 | * @brief Enable hardware byte control in slave mode. |
||
| 675 | * @rmtoll CR1 SBC LL_I2C_EnableSlaveByteControl |
||
| 676 | * @param I2Cx I2C Instance. |
||
| 677 | * @retval None |
||
| 678 | */ |
||
| 679 | __STATIC_INLINE void LL_I2C_EnableSlaveByteControl(I2C_TypeDef *I2Cx) |
||
| 680 | { |
||
| 681 | SET_BIT(I2Cx->CR1, I2C_CR1_SBC); |
||
| 682 | } |
||
| 683 | |||
| 684 | /** |
||
| 685 | * @brief Disable hardware byte control in slave mode. |
||
| 686 | * @rmtoll CR1 SBC LL_I2C_DisableSlaveByteControl |
||
| 687 | * @param I2Cx I2C Instance. |
||
| 688 | * @retval None |
||
| 689 | */ |
||
| 690 | __STATIC_INLINE void LL_I2C_DisableSlaveByteControl(I2C_TypeDef *I2Cx) |
||
| 691 | { |
||
| 692 | CLEAR_BIT(I2Cx->CR1, I2C_CR1_SBC); |
||
| 693 | } |
||
| 694 | |||
| 695 | /** |
||
| 696 | * @brief Check if hardware byte control in slave mode is enabled or disabled. |
||
| 697 | * @rmtoll CR1 SBC LL_I2C_IsEnabledSlaveByteControl |
||
| 698 | * @param I2Cx I2C Instance. |
||
| 699 | * @retval State of bit (1 or 0). |
||
| 700 | */ |
||
| 701 | __STATIC_INLINE uint32_t LL_I2C_IsEnabledSlaveByteControl(I2C_TypeDef *I2Cx) |
||
| 702 | { |
||
| 703 | return ((READ_BIT(I2Cx->CR1, I2C_CR1_SBC) == (I2C_CR1_SBC)) ? 1UL : 0UL); |
||
| 704 | } |
||
| 705 | |||
| 706 | #if defined(I2C_CR1_WUPEN) |
||
| 707 | /** |
||
| 708 | * @brief Enable Wakeup from STOP. |
||
| 709 | * @note The macro IS_I2C_WAKEUP_FROMSTOP_INSTANCE(I2Cx) can be used to check whether or not |
||
| 710 | * WakeUpFromStop feature is supported by the I2Cx Instance. |
||
| 711 | * @note This bit can only be programmed when Digital Filter is disabled. |
||
| 712 | * @rmtoll CR1 WUPEN LL_I2C_EnableWakeUpFromStop |
||
| 713 | * @param I2Cx I2C Instance. |
||
| 714 | * @retval None |
||
| 715 | */ |
||
| 716 | __STATIC_INLINE void LL_I2C_EnableWakeUpFromStop(I2C_TypeDef *I2Cx) |
||
| 717 | { |
||
| 718 | SET_BIT(I2Cx->CR1, I2C_CR1_WUPEN); |
||
| 719 | } |
||
| 720 | |||
| 721 | /** |
||
| 722 | * @brief Disable Wakeup from STOP. |
||
| 723 | * @note The macro IS_I2C_WAKEUP_FROMSTOP_INSTANCE(I2Cx) can be used to check whether or not |
||
| 724 | * WakeUpFromStop feature is supported by the I2Cx Instance. |
||
| 725 | * @rmtoll CR1 WUPEN LL_I2C_DisableWakeUpFromStop |
||
| 726 | * @param I2Cx I2C Instance. |
||
| 727 | * @retval None |
||
| 728 | */ |
||
| 729 | __STATIC_INLINE void LL_I2C_DisableWakeUpFromStop(I2C_TypeDef *I2Cx) |
||
| 730 | { |
||
| 731 | CLEAR_BIT(I2Cx->CR1, I2C_CR1_WUPEN); |
||
| 732 | } |
||
| 733 | |||
| 734 | /** |
||
| 735 | * @brief Check if Wakeup from STOP is enabled or disabled. |
||
| 736 | * @note The macro IS_I2C_WAKEUP_FROMSTOP_INSTANCE(I2Cx) can be used to check whether or not |
||
| 737 | * WakeUpFromStop feature is supported by the I2Cx Instance. |
||
| 738 | * @rmtoll CR1 WUPEN LL_I2C_IsEnabledWakeUpFromStop |
||
| 739 | * @param I2Cx I2C Instance. |
||
| 740 | * @retval State of bit (1 or 0). |
||
| 741 | */ |
||
| 742 | __STATIC_INLINE uint32_t LL_I2C_IsEnabledWakeUpFromStop(I2C_TypeDef *I2Cx) |
||
| 743 | { |
||
| 744 | return ((READ_BIT(I2Cx->CR1, I2C_CR1_WUPEN) == (I2C_CR1_WUPEN)) ? 1UL : 0UL); |
||
| 745 | } |
||
| 746 | |||
| 747 | #endif /* I2C_CR1_WUPEN */ |
||
| 748 | /** |
||
| 749 | * @brief Enable General Call. |
||
| 750 | * @note When enabled the Address 0x00 is ACKed. |
||
| 751 | * @rmtoll CR1 GCEN LL_I2C_EnableGeneralCall |
||
| 752 | * @param I2Cx I2C Instance. |
||
| 753 | * @retval None |
||
| 754 | */ |
||
| 755 | __STATIC_INLINE void LL_I2C_EnableGeneralCall(I2C_TypeDef *I2Cx) |
||
| 756 | { |
||
| 757 | SET_BIT(I2Cx->CR1, I2C_CR1_GCEN); |
||
| 758 | } |
||
| 759 | |||
| 760 | /** |
||
| 761 | * @brief Disable General Call. |
||
| 762 | * @note When disabled the Address 0x00 is NACKed. |
||
| 763 | * @rmtoll CR1 GCEN LL_I2C_DisableGeneralCall |
||
| 764 | * @param I2Cx I2C Instance. |
||
| 765 | * @retval None |
||
| 766 | */ |
||
| 767 | __STATIC_INLINE void LL_I2C_DisableGeneralCall(I2C_TypeDef *I2Cx) |
||
| 768 | { |
||
| 769 | CLEAR_BIT(I2Cx->CR1, I2C_CR1_GCEN); |
||
| 770 | } |
||
| 771 | |||
| 772 | /** |
||
| 773 | * @brief Check if General Call is enabled or disabled. |
||
| 774 | * @rmtoll CR1 GCEN LL_I2C_IsEnabledGeneralCall |
||
| 775 | * @param I2Cx I2C Instance. |
||
| 776 | * @retval State of bit (1 or 0). |
||
| 777 | */ |
||
| 778 | __STATIC_INLINE uint32_t LL_I2C_IsEnabledGeneralCall(I2C_TypeDef *I2Cx) |
||
| 779 | { |
||
| 780 | return ((READ_BIT(I2Cx->CR1, I2C_CR1_GCEN) == (I2C_CR1_GCEN)) ? 1UL : 0UL); |
||
| 781 | } |
||
| 782 | |||
| 783 | /** |
||
| 784 | * @brief Configure the Master to operate in 7-bit or 10-bit addressing mode. |
||
| 785 | * @note Changing this bit is not allowed, when the START bit is set. |
||
| 786 | * @rmtoll CR2 ADD10 LL_I2C_SetMasterAddressingMode |
||
| 787 | * @param I2Cx I2C Instance. |
||
| 788 | * @param AddressingMode This parameter can be one of the following values: |
||
| 789 | * @arg @ref LL_I2C_ADDRESSING_MODE_7BIT |
||
| 790 | * @arg @ref LL_I2C_ADDRESSING_MODE_10BIT |
||
| 791 | * @retval None |
||
| 792 | */ |
||
| 793 | __STATIC_INLINE void LL_I2C_SetMasterAddressingMode(I2C_TypeDef *I2Cx, uint32_t AddressingMode) |
||
| 794 | { |
||
| 795 | MODIFY_REG(I2Cx->CR2, I2C_CR2_ADD10, AddressingMode); |
||
| 796 | } |
||
| 797 | |||
| 798 | /** |
||
| 799 | * @brief Get the Master addressing mode. |
||
| 800 | * @rmtoll CR2 ADD10 LL_I2C_GetMasterAddressingMode |
||
| 801 | * @param I2Cx I2C Instance. |
||
| 802 | * @retval Returned value can be one of the following values: |
||
| 803 | * @arg @ref LL_I2C_ADDRESSING_MODE_7BIT |
||
| 804 | * @arg @ref LL_I2C_ADDRESSING_MODE_10BIT |
||
| 805 | */ |
||
| 806 | __STATIC_INLINE uint32_t LL_I2C_GetMasterAddressingMode(I2C_TypeDef *I2Cx) |
||
| 807 | { |
||
| 808 | return (uint32_t)(READ_BIT(I2Cx->CR2, I2C_CR2_ADD10)); |
||
| 809 | } |
||
| 810 | |||
| 811 | /** |
||
| 812 | * @brief Set the Own Address1. |
||
| 813 | * @rmtoll OAR1 OA1 LL_I2C_SetOwnAddress1\n |
||
| 814 | * OAR1 OA1MODE LL_I2C_SetOwnAddress1 |
||
| 815 | * @param I2Cx I2C Instance. |
||
| 816 | * @param OwnAddress1 This parameter must be a value between Min_Data=0 and Max_Data=0x3FF. |
||
| 817 | * @param OwnAddrSize This parameter can be one of the following values: |
||
| 818 | * @arg @ref LL_I2C_OWNADDRESS1_7BIT |
||
| 819 | * @arg @ref LL_I2C_OWNADDRESS1_10BIT |
||
| 820 | * @retval None |
||
| 821 | */ |
||
| 822 | __STATIC_INLINE void LL_I2C_SetOwnAddress1(I2C_TypeDef *I2Cx, uint32_t OwnAddress1, uint32_t OwnAddrSize) |
||
| 823 | { |
||
| 824 | MODIFY_REG(I2Cx->OAR1, I2C_OAR1_OA1 | I2C_OAR1_OA1MODE, OwnAddress1 | OwnAddrSize); |
||
| 825 | } |
||
| 826 | |||
| 827 | /** |
||
| 828 | * @brief Enable acknowledge on Own Address1 match address. |
||
| 829 | * @rmtoll OAR1 OA1EN LL_I2C_EnableOwnAddress1 |
||
| 830 | * @param I2Cx I2C Instance. |
||
| 831 | * @retval None |
||
| 832 | */ |
||
| 833 | __STATIC_INLINE void LL_I2C_EnableOwnAddress1(I2C_TypeDef *I2Cx) |
||
| 834 | { |
||
| 835 | SET_BIT(I2Cx->OAR1, I2C_OAR1_OA1EN); |
||
| 836 | } |
||
| 837 | |||
| 838 | /** |
||
| 839 | * @brief Disable acknowledge on Own Address1 match address. |
||
| 840 | * @rmtoll OAR1 OA1EN LL_I2C_DisableOwnAddress1 |
||
| 841 | * @param I2Cx I2C Instance. |
||
| 842 | * @retval None |
||
| 843 | */ |
||
| 844 | __STATIC_INLINE void LL_I2C_DisableOwnAddress1(I2C_TypeDef *I2Cx) |
||
| 845 | { |
||
| 846 | CLEAR_BIT(I2Cx->OAR1, I2C_OAR1_OA1EN); |
||
| 847 | } |
||
| 848 | |||
| 849 | /** |
||
| 850 | * @brief Check if Own Address1 acknowledge is enabled or disabled. |
||
| 851 | * @rmtoll OAR1 OA1EN LL_I2C_IsEnabledOwnAddress1 |
||
| 852 | * @param I2Cx I2C Instance. |
||
| 853 | * @retval State of bit (1 or 0). |
||
| 854 | */ |
||
| 855 | __STATIC_INLINE uint32_t LL_I2C_IsEnabledOwnAddress1(I2C_TypeDef *I2Cx) |
||
| 856 | { |
||
| 857 | return ((READ_BIT(I2Cx->OAR1, I2C_OAR1_OA1EN) == (I2C_OAR1_OA1EN)) ? 1UL : 0UL); |
||
| 858 | } |
||
| 859 | |||
| 860 | /** |
||
| 861 | * @brief Set the 7bits Own Address2. |
||
| 862 | * @note This action has no effect if own address2 is enabled. |
||
| 863 | * @rmtoll OAR2 OA2 LL_I2C_SetOwnAddress2\n |
||
| 864 | * OAR2 OA2MSK LL_I2C_SetOwnAddress2 |
||
| 865 | * @param I2Cx I2C Instance. |
||
| 866 | * @param OwnAddress2 Value between Min_Data=0 and Max_Data=0x7F. |
||
| 867 | * @param OwnAddrMask This parameter can be one of the following values: |
||
| 868 | * @arg @ref LL_I2C_OWNADDRESS2_NOMASK |
||
| 869 | * @arg @ref LL_I2C_OWNADDRESS2_MASK01 |
||
| 870 | * @arg @ref LL_I2C_OWNADDRESS2_MASK02 |
||
| 871 | * @arg @ref LL_I2C_OWNADDRESS2_MASK03 |
||
| 872 | * @arg @ref LL_I2C_OWNADDRESS2_MASK04 |
||
| 873 | * @arg @ref LL_I2C_OWNADDRESS2_MASK05 |
||
| 874 | * @arg @ref LL_I2C_OWNADDRESS2_MASK06 |
||
| 875 | * @arg @ref LL_I2C_OWNADDRESS2_MASK07 |
||
| 876 | * @retval None |
||
| 877 | */ |
||
| 878 | __STATIC_INLINE void LL_I2C_SetOwnAddress2(I2C_TypeDef *I2Cx, uint32_t OwnAddress2, uint32_t OwnAddrMask) |
||
| 879 | { |
||
| 880 | MODIFY_REG(I2Cx->OAR2, I2C_OAR2_OA2 | I2C_OAR2_OA2MSK, OwnAddress2 | OwnAddrMask); |
||
| 881 | } |
||
| 882 | |||
| 883 | /** |
||
| 884 | * @brief Enable acknowledge on Own Address2 match address. |
||
| 885 | * @rmtoll OAR2 OA2EN LL_I2C_EnableOwnAddress2 |
||
| 886 | * @param I2Cx I2C Instance. |
||
| 887 | * @retval None |
||
| 888 | */ |
||
| 889 | __STATIC_INLINE void LL_I2C_EnableOwnAddress2(I2C_TypeDef *I2Cx) |
||
| 890 | { |
||
| 891 | SET_BIT(I2Cx->OAR2, I2C_OAR2_OA2EN); |
||
| 892 | } |
||
| 893 | |||
| 894 | /** |
||
| 895 | * @brief Disable acknowledge on Own Address2 match address. |
||
| 896 | * @rmtoll OAR2 OA2EN LL_I2C_DisableOwnAddress2 |
||
| 897 | * @param I2Cx I2C Instance. |
||
| 898 | * @retval None |
||
| 899 | */ |
||
| 900 | __STATIC_INLINE void LL_I2C_DisableOwnAddress2(I2C_TypeDef *I2Cx) |
||
| 901 | { |
||
| 902 | CLEAR_BIT(I2Cx->OAR2, I2C_OAR2_OA2EN); |
||
| 903 | } |
||
| 904 | |||
| 905 | /** |
||
| 906 | * @brief Check if Own Address1 acknowledge is enabled or disabled. |
||
| 907 | * @rmtoll OAR2 OA2EN LL_I2C_IsEnabledOwnAddress2 |
||
| 908 | * @param I2Cx I2C Instance. |
||
| 909 | * @retval State of bit (1 or 0). |
||
| 910 | */ |
||
| 911 | __STATIC_INLINE uint32_t LL_I2C_IsEnabledOwnAddress2(I2C_TypeDef *I2Cx) |
||
| 912 | { |
||
| 913 | return ((READ_BIT(I2Cx->OAR2, I2C_OAR2_OA2EN) == (I2C_OAR2_OA2EN)) ? 1UL : 0UL); |
||
| 914 | } |
||
| 915 | |||
| 916 | /** |
||
| 917 | * @brief Configure the SDA setup, hold time and the SCL high, low period. |
||
| 918 | * @note This bit can only be programmed when the I2C is disabled (PE = 0). |
||
| 919 | * @rmtoll TIMINGR TIMINGR LL_I2C_SetTiming |
||
| 920 | * @param I2Cx I2C Instance. |
||
| 921 | * @param Timing This parameter must be a value between Min_Data=0 and Max_Data=0xFFFFFFFF. |
||
| 922 | * @note This parameter is computed with the STM32CubeMX Tool. |
||
| 923 | * @retval None |
||
| 924 | */ |
||
| 925 | __STATIC_INLINE void LL_I2C_SetTiming(I2C_TypeDef *I2Cx, uint32_t Timing) |
||
| 926 | { |
||
| 927 | WRITE_REG(I2Cx->TIMINGR, Timing); |
||
| 928 | } |
||
| 929 | |||
| 930 | /** |
||
| 931 | * @brief Get the Timing Prescaler setting. |
||
| 932 | * @rmtoll TIMINGR PRESC LL_I2C_GetTimingPrescaler |
||
| 933 | * @param I2Cx I2C Instance. |
||
| 934 | * @retval Value between Min_Data=0x0 and Max_Data=0xF |
||
| 935 | */ |
||
| 936 | __STATIC_INLINE uint32_t LL_I2C_GetTimingPrescaler(I2C_TypeDef *I2Cx) |
||
| 937 | { |
||
| 938 | return (uint32_t)(READ_BIT(I2Cx->TIMINGR, I2C_TIMINGR_PRESC) >> I2C_TIMINGR_PRESC_Pos); |
||
| 939 | } |
||
| 940 | |||
| 941 | /** |
||
| 942 | * @brief Get the SCL low period setting. |
||
| 943 | * @rmtoll TIMINGR SCLL LL_I2C_GetClockLowPeriod |
||
| 944 | * @param I2Cx I2C Instance. |
||
| 945 | * @retval Value between Min_Data=0x00 and Max_Data=0xFF |
||
| 946 | */ |
||
| 947 | __STATIC_INLINE uint32_t LL_I2C_GetClockLowPeriod(I2C_TypeDef *I2Cx) |
||
| 948 | { |
||
| 949 | return (uint32_t)(READ_BIT(I2Cx->TIMINGR, I2C_TIMINGR_SCLL) >> I2C_TIMINGR_SCLL_Pos); |
||
| 950 | } |
||
| 951 | |||
| 952 | /** |
||
| 953 | * @brief Get the SCL high period setting. |
||
| 954 | * @rmtoll TIMINGR SCLH LL_I2C_GetClockHighPeriod |
||
| 955 | * @param I2Cx I2C Instance. |
||
| 956 | * @retval Value between Min_Data=0x00 and Max_Data=0xFF |
||
| 957 | */ |
||
| 958 | __STATIC_INLINE uint32_t LL_I2C_GetClockHighPeriod(I2C_TypeDef *I2Cx) |
||
| 959 | { |
||
| 960 | return (uint32_t)(READ_BIT(I2Cx->TIMINGR, I2C_TIMINGR_SCLH) >> I2C_TIMINGR_SCLH_Pos); |
||
| 961 | } |
||
| 962 | |||
| 963 | /** |
||
| 964 | * @brief Get the SDA hold time. |
||
| 965 | * @rmtoll TIMINGR SDADEL LL_I2C_GetDataHoldTime |
||
| 966 | * @param I2Cx I2C Instance. |
||
| 967 | * @retval Value between Min_Data=0x0 and Max_Data=0xF |
||
| 968 | */ |
||
| 969 | __STATIC_INLINE uint32_t LL_I2C_GetDataHoldTime(I2C_TypeDef *I2Cx) |
||
| 970 | { |
||
| 971 | return (uint32_t)(READ_BIT(I2Cx->TIMINGR, I2C_TIMINGR_SDADEL) >> I2C_TIMINGR_SDADEL_Pos); |
||
| 972 | } |
||
| 973 | |||
| 974 | /** |
||
| 975 | * @brief Get the SDA setup time. |
||
| 976 | * @rmtoll TIMINGR SCLDEL LL_I2C_GetDataSetupTime |
||
| 977 | * @param I2Cx I2C Instance. |
||
| 978 | * @retval Value between Min_Data=0x0 and Max_Data=0xF |
||
| 979 | */ |
||
| 980 | __STATIC_INLINE uint32_t LL_I2C_GetDataSetupTime(I2C_TypeDef *I2Cx) |
||
| 981 | { |
||
| 982 | return (uint32_t)(READ_BIT(I2Cx->TIMINGR, I2C_TIMINGR_SCLDEL) >> I2C_TIMINGR_SCLDEL_Pos); |
||
| 983 | } |
||
| 984 | |||
| 985 | /** |
||
| 986 | * @brief Configure peripheral mode. |
||
| 987 | * @note The macro IS_SMBUS_ALL_INSTANCE(I2Cx) can be used to check whether or not |
||
| 988 | * SMBus feature is supported by the I2Cx Instance. |
||
| 989 | * @rmtoll CR1 SMBHEN LL_I2C_SetMode\n |
||
| 990 | * CR1 SMBDEN LL_I2C_SetMode |
||
| 991 | * @param I2Cx I2C Instance. |
||
| 992 | * @param PeripheralMode This parameter can be one of the following values: |
||
| 993 | * @arg @ref LL_I2C_MODE_I2C |
||
| 994 | * @arg @ref LL_I2C_MODE_SMBUS_HOST |
||
| 995 | * @arg @ref LL_I2C_MODE_SMBUS_DEVICE |
||
| 996 | * @arg @ref LL_I2C_MODE_SMBUS_DEVICE_ARP |
||
| 997 | * @retval None |
||
| 998 | */ |
||
| 999 | __STATIC_INLINE void LL_I2C_SetMode(I2C_TypeDef *I2Cx, uint32_t PeripheralMode) |
||
| 1000 | { |
||
| 1001 | MODIFY_REG(I2Cx->CR1, I2C_CR1_SMBHEN | I2C_CR1_SMBDEN, PeripheralMode); |
||
| 1002 | } |
||
| 1003 | |||
| 1004 | /** |
||
| 1005 | * @brief Get peripheral mode. |
||
| 1006 | * @note The macro IS_SMBUS_ALL_INSTANCE(I2Cx) can be used to check whether or not |
||
| 1007 | * SMBus feature is supported by the I2Cx Instance. |
||
| 1008 | * @rmtoll CR1 SMBHEN LL_I2C_GetMode\n |
||
| 1009 | * CR1 SMBDEN LL_I2C_GetMode |
||
| 1010 | * @param I2Cx I2C Instance. |
||
| 1011 | * @retval Returned value can be one of the following values: |
||
| 1012 | * @arg @ref LL_I2C_MODE_I2C |
||
| 1013 | * @arg @ref LL_I2C_MODE_SMBUS_HOST |
||
| 1014 | * @arg @ref LL_I2C_MODE_SMBUS_DEVICE |
||
| 1015 | * @arg @ref LL_I2C_MODE_SMBUS_DEVICE_ARP |
||
| 1016 | */ |
||
| 1017 | __STATIC_INLINE uint32_t LL_I2C_GetMode(I2C_TypeDef *I2Cx) |
||
| 1018 | { |
||
| 1019 | return (uint32_t)(READ_BIT(I2Cx->CR1, I2C_CR1_SMBHEN | I2C_CR1_SMBDEN)); |
||
| 1020 | } |
||
| 1021 | |||
| 1022 | /** |
||
| 1023 | * @brief Enable SMBus alert (Host or Device mode) |
||
| 1024 | * @note The macro IS_SMBUS_ALL_INSTANCE(I2Cx) can be used to check whether or not |
||
| 1025 | * SMBus feature is supported by the I2Cx Instance. |
||
| 1026 | * @note SMBus Device mode: |
||
| 1027 | * - SMBus Alert pin is drived low and |
||
| 1028 | * Alert Response Address Header acknowledge is enabled. |
||
| 1029 | * SMBus Host mode: |
||
| 1030 | * - SMBus Alert pin management is supported. |
||
| 1031 | * @rmtoll CR1 ALERTEN LL_I2C_EnableSMBusAlert |
||
| 1032 | * @param I2Cx I2C Instance. |
||
| 1033 | * @retval None |
||
| 1034 | */ |
||
| 1035 | __STATIC_INLINE void LL_I2C_EnableSMBusAlert(I2C_TypeDef *I2Cx) |
||
| 1036 | { |
||
| 1037 | SET_BIT(I2Cx->CR1, I2C_CR1_ALERTEN); |
||
| 1038 | } |
||
| 1039 | |||
| 1040 | /** |
||
| 1041 | * @brief Disable SMBus alert (Host or Device mode) |
||
| 1042 | * @note The macro IS_SMBUS_ALL_INSTANCE(I2Cx) can be used to check whether or not |
||
| 1043 | * SMBus feature is supported by the I2Cx Instance. |
||
| 1044 | * @note SMBus Device mode: |
||
| 1045 | * - SMBus Alert pin is not drived (can be used as a standard GPIO) and |
||
| 1046 | * Alert Response Address Header acknowledge is disabled. |
||
| 1047 | * SMBus Host mode: |
||
| 1048 | * - SMBus Alert pin management is not supported. |
||
| 1049 | * @rmtoll CR1 ALERTEN LL_I2C_DisableSMBusAlert |
||
| 1050 | * @param I2Cx I2C Instance. |
||
| 1051 | * @retval None |
||
| 1052 | */ |
||
| 1053 | __STATIC_INLINE void LL_I2C_DisableSMBusAlert(I2C_TypeDef *I2Cx) |
||
| 1054 | { |
||
| 1055 | CLEAR_BIT(I2Cx->CR1, I2C_CR1_ALERTEN); |
||
| 1056 | } |
||
| 1057 | |||
| 1058 | /** |
||
| 1059 | * @brief Check if SMBus alert (Host or Device mode) is enabled or disabled. |
||
| 1060 | * @note The macro IS_SMBUS_ALL_INSTANCE(I2Cx) can be used to check whether or not |
||
| 1061 | * SMBus feature is supported by the I2Cx Instance. |
||
| 1062 | * @rmtoll CR1 ALERTEN LL_I2C_IsEnabledSMBusAlert |
||
| 1063 | * @param I2Cx I2C Instance. |
||
| 1064 | * @retval State of bit (1 or 0). |
||
| 1065 | */ |
||
| 1066 | __STATIC_INLINE uint32_t LL_I2C_IsEnabledSMBusAlert(I2C_TypeDef *I2Cx) |
||
| 1067 | { |
||
| 1068 | return ((READ_BIT(I2Cx->CR1, I2C_CR1_ALERTEN) == (I2C_CR1_ALERTEN)) ? 1UL : 0UL); |
||
| 1069 | } |
||
| 1070 | |||
| 1071 | /** |
||
| 1072 | * @brief Enable SMBus Packet Error Calculation (PEC). |
||
| 1073 | * @note The macro IS_SMBUS_ALL_INSTANCE(I2Cx) can be used to check whether or not |
||
| 1074 | * SMBus feature is supported by the I2Cx Instance. |
||
| 1075 | * @rmtoll CR1 PECEN LL_I2C_EnableSMBusPEC |
||
| 1076 | * @param I2Cx I2C Instance. |
||
| 1077 | * @retval None |
||
| 1078 | */ |
||
| 1079 | __STATIC_INLINE void LL_I2C_EnableSMBusPEC(I2C_TypeDef *I2Cx) |
||
| 1080 | { |
||
| 1081 | SET_BIT(I2Cx->CR1, I2C_CR1_PECEN); |
||
| 1082 | } |
||
| 1083 | |||
| 1084 | /** |
||
| 1085 | * @brief Disable SMBus Packet Error Calculation (PEC). |
||
| 1086 | * @note The macro IS_SMBUS_ALL_INSTANCE(I2Cx) can be used to check whether or not |
||
| 1087 | * SMBus feature is supported by the I2Cx Instance. |
||
| 1088 | * @rmtoll CR1 PECEN LL_I2C_DisableSMBusPEC |
||
| 1089 | * @param I2Cx I2C Instance. |
||
| 1090 | * @retval None |
||
| 1091 | */ |
||
| 1092 | __STATIC_INLINE void LL_I2C_DisableSMBusPEC(I2C_TypeDef *I2Cx) |
||
| 1093 | { |
||
| 1094 | CLEAR_BIT(I2Cx->CR1, I2C_CR1_PECEN); |
||
| 1095 | } |
||
| 1096 | |||
| 1097 | /** |
||
| 1098 | * @brief Check if SMBus Packet Error Calculation (PEC) is enabled or disabled. |
||
| 1099 | * @note The macro IS_SMBUS_ALL_INSTANCE(I2Cx) can be used to check whether or not |
||
| 1100 | * SMBus feature is supported by the I2Cx Instance. |
||
| 1101 | * @rmtoll CR1 PECEN LL_I2C_IsEnabledSMBusPEC |
||
| 1102 | * @param I2Cx I2C Instance. |
||
| 1103 | * @retval State of bit (1 or 0). |
||
| 1104 | */ |
||
| 1105 | __STATIC_INLINE uint32_t LL_I2C_IsEnabledSMBusPEC(I2C_TypeDef *I2Cx) |
||
| 1106 | { |
||
| 1107 | return ((READ_BIT(I2Cx->CR1, I2C_CR1_PECEN) == (I2C_CR1_PECEN)) ? 1UL : 0UL); |
||
| 1108 | } |
||
| 1109 | |||
| 1110 | /** |
||
| 1111 | * @brief Configure the SMBus Clock Timeout. |
||
| 1112 | * @note The macro IS_SMBUS_ALL_INSTANCE(I2Cx) can be used to check whether or not |
||
| 1113 | * SMBus feature is supported by the I2Cx Instance. |
||
| 1114 | * @note This configuration can only be programmed when associated Timeout is disabled (TimeoutA and/orTimeoutB). |
||
| 1115 | * @rmtoll TIMEOUTR TIMEOUTA LL_I2C_ConfigSMBusTimeout\n |
||
| 1116 | * TIMEOUTR TIDLE LL_I2C_ConfigSMBusTimeout\n |
||
| 1117 | * TIMEOUTR TIMEOUTB LL_I2C_ConfigSMBusTimeout |
||
| 1118 | * @param I2Cx I2C Instance. |
||
| 1119 | * @param TimeoutA This parameter must be a value between Min_Data=0 and Max_Data=0xFFF. |
||
| 1120 | * @param TimeoutAMode This parameter can be one of the following values: |
||
| 1121 | * @arg @ref LL_I2C_SMBUS_TIMEOUTA_MODE_SCL_LOW |
||
| 1122 | * @arg @ref LL_I2C_SMBUS_TIMEOUTA_MODE_SDA_SCL_HIGH |
||
| 1123 | * @param TimeoutB |
||
| 1124 | * @retval None |
||
| 1125 | */ |
||
| 1126 | __STATIC_INLINE void LL_I2C_ConfigSMBusTimeout(I2C_TypeDef *I2Cx, uint32_t TimeoutA, uint32_t TimeoutAMode, |
||
| 1127 | uint32_t TimeoutB) |
||
| 1128 | { |
||
| 1129 | MODIFY_REG(I2Cx->TIMEOUTR, I2C_TIMEOUTR_TIMEOUTA | I2C_TIMEOUTR_TIDLE | I2C_TIMEOUTR_TIMEOUTB, |
||
| 1130 | TimeoutA | TimeoutAMode | (TimeoutB << I2C_TIMEOUTR_TIMEOUTB_Pos)); |
||
| 1131 | } |
||
| 1132 | |||
| 1133 | /** |
||
| 1134 | * @brief Configure the SMBus Clock TimeoutA (SCL low timeout or SCL and SDA high timeout depends on TimeoutA mode). |
||
| 1135 | * @note The macro IS_SMBUS_ALL_INSTANCE(I2Cx) can be used to check whether or not |
||
| 1136 | * SMBus feature is supported by the I2Cx Instance. |
||
| 1137 | * @note These bits can only be programmed when TimeoutA is disabled. |
||
| 1138 | * @rmtoll TIMEOUTR TIMEOUTA LL_I2C_SetSMBusTimeoutA |
||
| 1139 | * @param I2Cx I2C Instance. |
||
| 1140 | * @param TimeoutA This parameter must be a value between Min_Data=0 and Max_Data=0xFFF. |
||
| 1141 | * @retval None |
||
| 1142 | */ |
||
| 1143 | __STATIC_INLINE void LL_I2C_SetSMBusTimeoutA(I2C_TypeDef *I2Cx, uint32_t TimeoutA) |
||
| 1144 | { |
||
| 1145 | WRITE_REG(I2Cx->TIMEOUTR, TimeoutA); |
||
| 1146 | } |
||
| 1147 | |||
| 1148 | /** |
||
| 1149 | * @brief Get the SMBus Clock TimeoutA setting. |
||
| 1150 | * @note The macro IS_SMBUS_ALL_INSTANCE(I2Cx) can be used to check whether or not |
||
| 1151 | * SMBus feature is supported by the I2Cx Instance. |
||
| 1152 | * @rmtoll TIMEOUTR TIMEOUTA LL_I2C_GetSMBusTimeoutA |
||
| 1153 | * @param I2Cx I2C Instance. |
||
| 1154 | * @retval Value between Min_Data=0 and Max_Data=0xFFF |
||
| 1155 | */ |
||
| 1156 | __STATIC_INLINE uint32_t LL_I2C_GetSMBusTimeoutA(I2C_TypeDef *I2Cx) |
||
| 1157 | { |
||
| 1158 | return (uint32_t)(READ_BIT(I2Cx->TIMEOUTR, I2C_TIMEOUTR_TIMEOUTA)); |
||
| 1159 | } |
||
| 1160 | |||
| 1161 | /** |
||
| 1162 | * @brief Set the SMBus Clock TimeoutA mode. |
||
| 1163 | * @note The macro IS_SMBUS_ALL_INSTANCE(I2Cx) can be used to check whether or not |
||
| 1164 | * SMBus feature is supported by the I2Cx Instance. |
||
| 1165 | * @note This bit can only be programmed when TimeoutA is disabled. |
||
| 1166 | * @rmtoll TIMEOUTR TIDLE LL_I2C_SetSMBusTimeoutAMode |
||
| 1167 | * @param I2Cx I2C Instance. |
||
| 1168 | * @param TimeoutAMode This parameter can be one of the following values: |
||
| 1169 | * @arg @ref LL_I2C_SMBUS_TIMEOUTA_MODE_SCL_LOW |
||
| 1170 | * @arg @ref LL_I2C_SMBUS_TIMEOUTA_MODE_SDA_SCL_HIGH |
||
| 1171 | * @retval None |
||
| 1172 | */ |
||
| 1173 | __STATIC_INLINE void LL_I2C_SetSMBusTimeoutAMode(I2C_TypeDef *I2Cx, uint32_t TimeoutAMode) |
||
| 1174 | { |
||
| 1175 | WRITE_REG(I2Cx->TIMEOUTR, TimeoutAMode); |
||
| 1176 | } |
||
| 1177 | |||
| 1178 | /** |
||
| 1179 | * @brief Get the SMBus Clock TimeoutA mode. |
||
| 1180 | * @note The macro IS_SMBUS_ALL_INSTANCE(I2Cx) can be used to check whether or not |
||
| 1181 | * SMBus feature is supported by the I2Cx Instance. |
||
| 1182 | * @rmtoll TIMEOUTR TIDLE LL_I2C_GetSMBusTimeoutAMode |
||
| 1183 | * @param I2Cx I2C Instance. |
||
| 1184 | * @retval Returned value can be one of the following values: |
||
| 1185 | * @arg @ref LL_I2C_SMBUS_TIMEOUTA_MODE_SCL_LOW |
||
| 1186 | * @arg @ref LL_I2C_SMBUS_TIMEOUTA_MODE_SDA_SCL_HIGH |
||
| 1187 | */ |
||
| 1188 | __STATIC_INLINE uint32_t LL_I2C_GetSMBusTimeoutAMode(I2C_TypeDef *I2Cx) |
||
| 1189 | { |
||
| 1190 | return (uint32_t)(READ_BIT(I2Cx->TIMEOUTR, I2C_TIMEOUTR_TIDLE)); |
||
| 1191 | } |
||
| 1192 | |||
| 1193 | /** |
||
| 1194 | * @brief Configure the SMBus Extended Cumulative Clock TimeoutB (Master or Slave mode). |
||
| 1195 | * @note The macro IS_SMBUS_ALL_INSTANCE(I2Cx) can be used to check whether or not |
||
| 1196 | * SMBus feature is supported by the I2Cx Instance. |
||
| 1197 | * @note These bits can only be programmed when TimeoutB is disabled. |
||
| 1198 | * @rmtoll TIMEOUTR TIMEOUTB LL_I2C_SetSMBusTimeoutB |
||
| 1199 | * @param I2Cx I2C Instance. |
||
| 1200 | * @param TimeoutB This parameter must be a value between Min_Data=0 and Max_Data=0xFFF. |
||
| 1201 | * @retval None |
||
| 1202 | */ |
||
| 1203 | __STATIC_INLINE void LL_I2C_SetSMBusTimeoutB(I2C_TypeDef *I2Cx, uint32_t TimeoutB) |
||
| 1204 | { |
||
| 1205 | WRITE_REG(I2Cx->TIMEOUTR, TimeoutB << I2C_TIMEOUTR_TIMEOUTB_Pos); |
||
| 1206 | } |
||
| 1207 | |||
| 1208 | /** |
||
| 1209 | * @brief Get the SMBus Extended Cumulative Clock TimeoutB setting. |
||
| 1210 | * @note The macro IS_SMBUS_ALL_INSTANCE(I2Cx) can be used to check whether or not |
||
| 1211 | * SMBus feature is supported by the I2Cx Instance. |
||
| 1212 | * @rmtoll TIMEOUTR TIMEOUTB LL_I2C_GetSMBusTimeoutB |
||
| 1213 | * @param I2Cx I2C Instance. |
||
| 1214 | * @retval Value between Min_Data=0 and Max_Data=0xFFF |
||
| 1215 | */ |
||
| 1216 | __STATIC_INLINE uint32_t LL_I2C_GetSMBusTimeoutB(I2C_TypeDef *I2Cx) |
||
| 1217 | { |
||
| 1218 | return (uint32_t)(READ_BIT(I2Cx->TIMEOUTR, I2C_TIMEOUTR_TIMEOUTB) >> I2C_TIMEOUTR_TIMEOUTB_Pos); |
||
| 1219 | } |
||
| 1220 | |||
| 1221 | /** |
||
| 1222 | * @brief Enable the SMBus Clock Timeout. |
||
| 1223 | * @note The macro IS_SMBUS_ALL_INSTANCE(I2Cx) can be used to check whether or not |
||
| 1224 | * SMBus feature is supported by the I2Cx Instance. |
||
| 1225 | * @rmtoll TIMEOUTR TIMOUTEN LL_I2C_EnableSMBusTimeout\n |
||
| 1226 | * TIMEOUTR TEXTEN LL_I2C_EnableSMBusTimeout |
||
| 1227 | * @param I2Cx I2C Instance. |
||
| 1228 | * @param ClockTimeout This parameter can be one of the following values: |
||
| 1229 | * @arg @ref LL_I2C_SMBUS_TIMEOUTA |
||
| 1230 | * @arg @ref LL_I2C_SMBUS_TIMEOUTB |
||
| 1231 | * @arg @ref LL_I2C_SMBUS_ALL_TIMEOUT |
||
| 1232 | * @retval None |
||
| 1233 | */ |
||
| 1234 | __STATIC_INLINE void LL_I2C_EnableSMBusTimeout(I2C_TypeDef *I2Cx, uint32_t ClockTimeout) |
||
| 1235 | { |
||
| 1236 | SET_BIT(I2Cx->TIMEOUTR, ClockTimeout); |
||
| 1237 | } |
||
| 1238 | |||
| 1239 | /** |
||
| 1240 | * @brief Disable the SMBus Clock Timeout. |
||
| 1241 | * @note The macro IS_SMBUS_ALL_INSTANCE(I2Cx) can be used to check whether or not |
||
| 1242 | * SMBus feature is supported by the I2Cx Instance. |
||
| 1243 | * @rmtoll TIMEOUTR TIMOUTEN LL_I2C_DisableSMBusTimeout\n |
||
| 1244 | * TIMEOUTR TEXTEN LL_I2C_DisableSMBusTimeout |
||
| 1245 | * @param I2Cx I2C Instance. |
||
| 1246 | * @param ClockTimeout This parameter can be one of the following values: |
||
| 1247 | * @arg @ref LL_I2C_SMBUS_TIMEOUTA |
||
| 1248 | * @arg @ref LL_I2C_SMBUS_TIMEOUTB |
||
| 1249 | * @arg @ref LL_I2C_SMBUS_ALL_TIMEOUT |
||
| 1250 | * @retval None |
||
| 1251 | */ |
||
| 1252 | __STATIC_INLINE void LL_I2C_DisableSMBusTimeout(I2C_TypeDef *I2Cx, uint32_t ClockTimeout) |
||
| 1253 | { |
||
| 1254 | CLEAR_BIT(I2Cx->TIMEOUTR, ClockTimeout); |
||
| 1255 | } |
||
| 1256 | |||
| 1257 | /** |
||
| 1258 | * @brief Check if the SMBus Clock Timeout is enabled or disabled. |
||
| 1259 | * @note The macro IS_SMBUS_ALL_INSTANCE(I2Cx) can be used to check whether or not |
||
| 1260 | * SMBus feature is supported by the I2Cx Instance. |
||
| 1261 | * @rmtoll TIMEOUTR TIMOUTEN LL_I2C_IsEnabledSMBusTimeout\n |
||
| 1262 | * TIMEOUTR TEXTEN LL_I2C_IsEnabledSMBusTimeout |
||
| 1263 | * @param I2Cx I2C Instance. |
||
| 1264 | * @param ClockTimeout This parameter can be one of the following values: |
||
| 1265 | * @arg @ref LL_I2C_SMBUS_TIMEOUTA |
||
| 1266 | * @arg @ref LL_I2C_SMBUS_TIMEOUTB |
||
| 1267 | * @arg @ref LL_I2C_SMBUS_ALL_TIMEOUT |
||
| 1268 | * @retval State of bit (1 or 0). |
||
| 1269 | */ |
||
| 1270 | __STATIC_INLINE uint32_t LL_I2C_IsEnabledSMBusTimeout(I2C_TypeDef *I2Cx, uint32_t ClockTimeout) |
||
| 1271 | { |
||
| 1272 | return ((READ_BIT(I2Cx->TIMEOUTR, (I2C_TIMEOUTR_TIMOUTEN | I2C_TIMEOUTR_TEXTEN)) == \ |
||
| 1273 | (ClockTimeout)) ? 1UL : 0UL); |
||
| 1274 | } |
||
| 1275 | |||
| 1276 | /** |
||
| 1277 | * @} |
||
| 1278 | */ |
||
| 1279 | |||
| 1280 | /** @defgroup I2C_LL_EF_IT_Management IT_Management |
||
| 1281 | * @{ |
||
| 1282 | */ |
||
| 1283 | |||
| 1284 | /** |
||
| 1285 | * @brief Enable TXIS interrupt. |
||
| 1286 | * @rmtoll CR1 TXIE LL_I2C_EnableIT_TX |
||
| 1287 | * @param I2Cx I2C Instance. |
||
| 1288 | * @retval None |
||
| 1289 | */ |
||
| 1290 | __STATIC_INLINE void LL_I2C_EnableIT_TX(I2C_TypeDef *I2Cx) |
||
| 1291 | { |
||
| 1292 | SET_BIT(I2Cx->CR1, I2C_CR1_TXIE); |
||
| 1293 | } |
||
| 1294 | |||
| 1295 | /** |
||
| 1296 | * @brief Disable TXIS interrupt. |
||
| 1297 | * @rmtoll CR1 TXIE LL_I2C_DisableIT_TX |
||
| 1298 | * @param I2Cx I2C Instance. |
||
| 1299 | * @retval None |
||
| 1300 | */ |
||
| 1301 | __STATIC_INLINE void LL_I2C_DisableIT_TX(I2C_TypeDef *I2Cx) |
||
| 1302 | { |
||
| 1303 | CLEAR_BIT(I2Cx->CR1, I2C_CR1_TXIE); |
||
| 1304 | } |
||
| 1305 | |||
| 1306 | /** |
||
| 1307 | * @brief Check if the TXIS Interrupt is enabled or disabled. |
||
| 1308 | * @rmtoll CR1 TXIE LL_I2C_IsEnabledIT_TX |
||
| 1309 | * @param I2Cx I2C Instance. |
||
| 1310 | * @retval State of bit (1 or 0). |
||
| 1311 | */ |
||
| 1312 | __STATIC_INLINE uint32_t LL_I2C_IsEnabledIT_TX(I2C_TypeDef *I2Cx) |
||
| 1313 | { |
||
| 1314 | return ((READ_BIT(I2Cx->CR1, I2C_CR1_TXIE) == (I2C_CR1_TXIE)) ? 1UL : 0UL); |
||
| 1315 | } |
||
| 1316 | |||
| 1317 | /** |
||
| 1318 | * @brief Enable RXNE interrupt. |
||
| 1319 | * @rmtoll CR1 RXIE LL_I2C_EnableIT_RX |
||
| 1320 | * @param I2Cx I2C Instance. |
||
| 1321 | * @retval None |
||
| 1322 | */ |
||
| 1323 | __STATIC_INLINE void LL_I2C_EnableIT_RX(I2C_TypeDef *I2Cx) |
||
| 1324 | { |
||
| 1325 | SET_BIT(I2Cx->CR1, I2C_CR1_RXIE); |
||
| 1326 | } |
||
| 1327 | |||
| 1328 | /** |
||
| 1329 | * @brief Disable RXNE interrupt. |
||
| 1330 | * @rmtoll CR1 RXIE LL_I2C_DisableIT_RX |
||
| 1331 | * @param I2Cx I2C Instance. |
||
| 1332 | * @retval None |
||
| 1333 | */ |
||
| 1334 | __STATIC_INLINE void LL_I2C_DisableIT_RX(I2C_TypeDef *I2Cx) |
||
| 1335 | { |
||
| 1336 | CLEAR_BIT(I2Cx->CR1, I2C_CR1_RXIE); |
||
| 1337 | } |
||
| 1338 | |||
| 1339 | /** |
||
| 1340 | * @brief Check if the RXNE Interrupt is enabled or disabled. |
||
| 1341 | * @rmtoll CR1 RXIE LL_I2C_IsEnabledIT_RX |
||
| 1342 | * @param I2Cx I2C Instance. |
||
| 1343 | * @retval State of bit (1 or 0). |
||
| 1344 | */ |
||
| 1345 | __STATIC_INLINE uint32_t LL_I2C_IsEnabledIT_RX(I2C_TypeDef *I2Cx) |
||
| 1346 | { |
||
| 1347 | return ((READ_BIT(I2Cx->CR1, I2C_CR1_RXIE) == (I2C_CR1_RXIE)) ? 1UL : 0UL); |
||
| 1348 | } |
||
| 1349 | |||
| 1350 | /** |
||
| 1351 | * @brief Enable Address match interrupt (slave mode only). |
||
| 1352 | * @rmtoll CR1 ADDRIE LL_I2C_EnableIT_ADDR |
||
| 1353 | * @param I2Cx I2C Instance. |
||
| 1354 | * @retval None |
||
| 1355 | */ |
||
| 1356 | __STATIC_INLINE void LL_I2C_EnableIT_ADDR(I2C_TypeDef *I2Cx) |
||
| 1357 | { |
||
| 1358 | SET_BIT(I2Cx->CR1, I2C_CR1_ADDRIE); |
||
| 1359 | } |
||
| 1360 | |||
| 1361 | /** |
||
| 1362 | * @brief Disable Address match interrupt (slave mode only). |
||
| 1363 | * @rmtoll CR1 ADDRIE LL_I2C_DisableIT_ADDR |
||
| 1364 | * @param I2Cx I2C Instance. |
||
| 1365 | * @retval None |
||
| 1366 | */ |
||
| 1367 | __STATIC_INLINE void LL_I2C_DisableIT_ADDR(I2C_TypeDef *I2Cx) |
||
| 1368 | { |
||
| 1369 | CLEAR_BIT(I2Cx->CR1, I2C_CR1_ADDRIE); |
||
| 1370 | } |
||
| 1371 | |||
| 1372 | /** |
||
| 1373 | * @brief Check if Address match interrupt is enabled or disabled. |
||
| 1374 | * @rmtoll CR1 ADDRIE LL_I2C_IsEnabledIT_ADDR |
||
| 1375 | * @param I2Cx I2C Instance. |
||
| 1376 | * @retval State of bit (1 or 0). |
||
| 1377 | */ |
||
| 1378 | __STATIC_INLINE uint32_t LL_I2C_IsEnabledIT_ADDR(I2C_TypeDef *I2Cx) |
||
| 1379 | { |
||
| 1380 | return ((READ_BIT(I2Cx->CR1, I2C_CR1_ADDRIE) == (I2C_CR1_ADDRIE)) ? 1UL : 0UL); |
||
| 1381 | } |
||
| 1382 | |||
| 1383 | /** |
||
| 1384 | * @brief Enable Not acknowledge received interrupt. |
||
| 1385 | * @rmtoll CR1 NACKIE LL_I2C_EnableIT_NACK |
||
| 1386 | * @param I2Cx I2C Instance. |
||
| 1387 | * @retval None |
||
| 1388 | */ |
||
| 1389 | __STATIC_INLINE void LL_I2C_EnableIT_NACK(I2C_TypeDef *I2Cx) |
||
| 1390 | { |
||
| 1391 | SET_BIT(I2Cx->CR1, I2C_CR1_NACKIE); |
||
| 1392 | } |
||
| 1393 | |||
| 1394 | /** |
||
| 1395 | * @brief Disable Not acknowledge received interrupt. |
||
| 1396 | * @rmtoll CR1 NACKIE LL_I2C_DisableIT_NACK |
||
| 1397 | * @param I2Cx I2C Instance. |
||
| 1398 | * @retval None |
||
| 1399 | */ |
||
| 1400 | __STATIC_INLINE void LL_I2C_DisableIT_NACK(I2C_TypeDef *I2Cx) |
||
| 1401 | { |
||
| 1402 | CLEAR_BIT(I2Cx->CR1, I2C_CR1_NACKIE); |
||
| 1403 | } |
||
| 1404 | |||
| 1405 | /** |
||
| 1406 | * @brief Check if Not acknowledge received interrupt is enabled or disabled. |
||
| 1407 | * @rmtoll CR1 NACKIE LL_I2C_IsEnabledIT_NACK |
||
| 1408 | * @param I2Cx I2C Instance. |
||
| 1409 | * @retval State of bit (1 or 0). |
||
| 1410 | */ |
||
| 1411 | __STATIC_INLINE uint32_t LL_I2C_IsEnabledIT_NACK(I2C_TypeDef *I2Cx) |
||
| 1412 | { |
||
| 1413 | return ((READ_BIT(I2Cx->CR1, I2C_CR1_NACKIE) == (I2C_CR1_NACKIE)) ? 1UL : 0UL); |
||
| 1414 | } |
||
| 1415 | |||
| 1416 | /** |
||
| 1417 | * @brief Enable STOP detection interrupt. |
||
| 1418 | * @rmtoll CR1 STOPIE LL_I2C_EnableIT_STOP |
||
| 1419 | * @param I2Cx I2C Instance. |
||
| 1420 | * @retval None |
||
| 1421 | */ |
||
| 1422 | __STATIC_INLINE void LL_I2C_EnableIT_STOP(I2C_TypeDef *I2Cx) |
||
| 1423 | { |
||
| 1424 | SET_BIT(I2Cx->CR1, I2C_CR1_STOPIE); |
||
| 1425 | } |
||
| 1426 | |||
| 1427 | /** |
||
| 1428 | * @brief Disable STOP detection interrupt. |
||
| 1429 | * @rmtoll CR1 STOPIE LL_I2C_DisableIT_STOP |
||
| 1430 | * @param I2Cx I2C Instance. |
||
| 1431 | * @retval None |
||
| 1432 | */ |
||
| 1433 | __STATIC_INLINE void LL_I2C_DisableIT_STOP(I2C_TypeDef *I2Cx) |
||
| 1434 | { |
||
| 1435 | CLEAR_BIT(I2Cx->CR1, I2C_CR1_STOPIE); |
||
| 1436 | } |
||
| 1437 | |||
| 1438 | /** |
||
| 1439 | * @brief Check if STOP detection interrupt is enabled or disabled. |
||
| 1440 | * @rmtoll CR1 STOPIE LL_I2C_IsEnabledIT_STOP |
||
| 1441 | * @param I2Cx I2C Instance. |
||
| 1442 | * @retval State of bit (1 or 0). |
||
| 1443 | */ |
||
| 1444 | __STATIC_INLINE uint32_t LL_I2C_IsEnabledIT_STOP(I2C_TypeDef *I2Cx) |
||
| 1445 | { |
||
| 1446 | return ((READ_BIT(I2Cx->CR1, I2C_CR1_STOPIE) == (I2C_CR1_STOPIE)) ? 1UL : 0UL); |
||
| 1447 | } |
||
| 1448 | |||
| 1449 | /** |
||
| 1450 | * @brief Enable Transfer Complete interrupt. |
||
| 1451 | * @note Any of these events will generate interrupt : |
||
| 1452 | * Transfer Complete (TC) |
||
| 1453 | * Transfer Complete Reload (TCR) |
||
| 1454 | * @rmtoll CR1 TCIE LL_I2C_EnableIT_TC |
||
| 1455 | * @param I2Cx I2C Instance. |
||
| 1456 | * @retval None |
||
| 1457 | */ |
||
| 1458 | __STATIC_INLINE void LL_I2C_EnableIT_TC(I2C_TypeDef *I2Cx) |
||
| 1459 | { |
||
| 1460 | SET_BIT(I2Cx->CR1, I2C_CR1_TCIE); |
||
| 1461 | } |
||
| 1462 | |||
| 1463 | /** |
||
| 1464 | * @brief Disable Transfer Complete interrupt. |
||
| 1465 | * @note Any of these events will generate interrupt : |
||
| 1466 | * Transfer Complete (TC) |
||
| 1467 | * Transfer Complete Reload (TCR) |
||
| 1468 | * @rmtoll CR1 TCIE LL_I2C_DisableIT_TC |
||
| 1469 | * @param I2Cx I2C Instance. |
||
| 1470 | * @retval None |
||
| 1471 | */ |
||
| 1472 | __STATIC_INLINE void LL_I2C_DisableIT_TC(I2C_TypeDef *I2Cx) |
||
| 1473 | { |
||
| 1474 | CLEAR_BIT(I2Cx->CR1, I2C_CR1_TCIE); |
||
| 1475 | } |
||
| 1476 | |||
| 1477 | /** |
||
| 1478 | * @brief Check if Transfer Complete interrupt is enabled or disabled. |
||
| 1479 | * @rmtoll CR1 TCIE LL_I2C_IsEnabledIT_TC |
||
| 1480 | * @param I2Cx I2C Instance. |
||
| 1481 | * @retval State of bit (1 or 0). |
||
| 1482 | */ |
||
| 1483 | __STATIC_INLINE uint32_t LL_I2C_IsEnabledIT_TC(I2C_TypeDef *I2Cx) |
||
| 1484 | { |
||
| 1485 | return ((READ_BIT(I2Cx->CR1, I2C_CR1_TCIE) == (I2C_CR1_TCIE)) ? 1UL : 0UL); |
||
| 1486 | } |
||
| 1487 | |||
| 1488 | /** |
||
| 1489 | * @brief Enable Error interrupts. |
||
| 1490 | * @note The macro IS_SMBUS_ALL_INSTANCE(I2Cx) can be used to check whether or not |
||
| 1491 | * SMBus feature is supported by the I2Cx Instance. |
||
| 1492 | * @note Any of these errors will generate interrupt : |
||
| 1493 | * Arbitration Loss (ARLO) |
||
| 1494 | * Bus Error detection (BERR) |
||
| 1495 | * Overrun/Underrun (OVR) |
||
| 1496 | * SMBus Timeout detection (TIMEOUT) |
||
| 1497 | * SMBus PEC error detection (PECERR) |
||
| 1498 | * SMBus Alert pin event detection (ALERT) |
||
| 1499 | * @rmtoll CR1 ERRIE LL_I2C_EnableIT_ERR |
||
| 1500 | * @param I2Cx I2C Instance. |
||
| 1501 | * @retval None |
||
| 1502 | */ |
||
| 1503 | __STATIC_INLINE void LL_I2C_EnableIT_ERR(I2C_TypeDef *I2Cx) |
||
| 1504 | { |
||
| 1505 | SET_BIT(I2Cx->CR1, I2C_CR1_ERRIE); |
||
| 1506 | } |
||
| 1507 | |||
| 1508 | /** |
||
| 1509 | * @brief Disable Error interrupts. |
||
| 1510 | * @note The macro IS_SMBUS_ALL_INSTANCE(I2Cx) can be used to check whether or not |
||
| 1511 | * SMBus feature is supported by the I2Cx Instance. |
||
| 1512 | * @note Any of these errors will generate interrupt : |
||
| 1513 | * Arbitration Loss (ARLO) |
||
| 1514 | * Bus Error detection (BERR) |
||
| 1515 | * Overrun/Underrun (OVR) |
||
| 1516 | * SMBus Timeout detection (TIMEOUT) |
||
| 1517 | * SMBus PEC error detection (PECERR) |
||
| 1518 | * SMBus Alert pin event detection (ALERT) |
||
| 1519 | * @rmtoll CR1 ERRIE LL_I2C_DisableIT_ERR |
||
| 1520 | * @param I2Cx I2C Instance. |
||
| 1521 | * @retval None |
||
| 1522 | */ |
||
| 1523 | __STATIC_INLINE void LL_I2C_DisableIT_ERR(I2C_TypeDef *I2Cx) |
||
| 1524 | { |
||
| 1525 | CLEAR_BIT(I2Cx->CR1, I2C_CR1_ERRIE); |
||
| 1526 | } |
||
| 1527 | |||
| 1528 | /** |
||
| 1529 | * @brief Check if Error interrupts are enabled or disabled. |
||
| 1530 | * @rmtoll CR1 ERRIE LL_I2C_IsEnabledIT_ERR |
||
| 1531 | * @param I2Cx I2C Instance. |
||
| 1532 | * @retval State of bit (1 or 0). |
||
| 1533 | */ |
||
| 1534 | __STATIC_INLINE uint32_t LL_I2C_IsEnabledIT_ERR(I2C_TypeDef *I2Cx) |
||
| 1535 | { |
||
| 1536 | return ((READ_BIT(I2Cx->CR1, I2C_CR1_ERRIE) == (I2C_CR1_ERRIE)) ? 1UL : 0UL); |
||
| 1537 | } |
||
| 1538 | |||
| 1539 | /** |
||
| 1540 | * @} |
||
| 1541 | */ |
||
| 1542 | |||
| 1543 | /** @defgroup I2C_LL_EF_FLAG_management FLAG_management |
||
| 1544 | * @{ |
||
| 1545 | */ |
||
| 1546 | |||
| 1547 | /** |
||
| 1548 | * @brief Indicate the status of Transmit data register empty flag. |
||
| 1549 | * @note RESET: When next data is written in Transmit data register. |
||
| 1550 | * SET: When Transmit data register is empty. |
||
| 1551 | * @rmtoll ISR TXE LL_I2C_IsActiveFlag_TXE |
||
| 1552 | * @param I2Cx I2C Instance. |
||
| 1553 | * @retval State of bit (1 or 0). |
||
| 1554 | */ |
||
| 1555 | __STATIC_INLINE uint32_t LL_I2C_IsActiveFlag_TXE(I2C_TypeDef *I2Cx) |
||
| 1556 | { |
||
| 1557 | return ((READ_BIT(I2Cx->ISR, I2C_ISR_TXE) == (I2C_ISR_TXE)) ? 1UL : 0UL); |
||
| 1558 | } |
||
| 1559 | |||
| 1560 | /** |
||
| 1561 | * @brief Indicate the status of Transmit interrupt flag. |
||
| 1562 | * @note RESET: When next data is written in Transmit data register. |
||
| 1563 | * SET: When Transmit data register is empty. |
||
| 1564 | * @rmtoll ISR TXIS LL_I2C_IsActiveFlag_TXIS |
||
| 1565 | * @param I2Cx I2C Instance. |
||
| 1566 | * @retval State of bit (1 or 0). |
||
| 1567 | */ |
||
| 1568 | __STATIC_INLINE uint32_t LL_I2C_IsActiveFlag_TXIS(I2C_TypeDef *I2Cx) |
||
| 1569 | { |
||
| 1570 | return ((READ_BIT(I2Cx->ISR, I2C_ISR_TXIS) == (I2C_ISR_TXIS)) ? 1UL : 0UL); |
||
| 1571 | } |
||
| 1572 | |||
| 1573 | /** |
||
| 1574 | * @brief Indicate the status of Receive data register not empty flag. |
||
| 1575 | * @note RESET: When Receive data register is read. |
||
| 1576 | * SET: When the received data is copied in Receive data register. |
||
| 1577 | * @rmtoll ISR RXNE LL_I2C_IsActiveFlag_RXNE |
||
| 1578 | * @param I2Cx I2C Instance. |
||
| 1579 | * @retval State of bit (1 or 0). |
||
| 1580 | */ |
||
| 1581 | __STATIC_INLINE uint32_t LL_I2C_IsActiveFlag_RXNE(I2C_TypeDef *I2Cx) |
||
| 1582 | { |
||
| 1583 | return ((READ_BIT(I2Cx->ISR, I2C_ISR_RXNE) == (I2C_ISR_RXNE)) ? 1UL : 0UL); |
||
| 1584 | } |
||
| 1585 | |||
| 1586 | /** |
||
| 1587 | * @brief Indicate the status of Address matched flag (slave mode). |
||
| 1588 | * @note RESET: Clear default value. |
||
| 1589 | * SET: When the received slave address matched with one of the enabled slave address. |
||
| 1590 | * @rmtoll ISR ADDR LL_I2C_IsActiveFlag_ADDR |
||
| 1591 | * @param I2Cx I2C Instance. |
||
| 1592 | * @retval State of bit (1 or 0). |
||
| 1593 | */ |
||
| 1594 | __STATIC_INLINE uint32_t LL_I2C_IsActiveFlag_ADDR(I2C_TypeDef *I2Cx) |
||
| 1595 | { |
||
| 1596 | return ((READ_BIT(I2Cx->ISR, I2C_ISR_ADDR) == (I2C_ISR_ADDR)) ? 1UL : 0UL); |
||
| 1597 | } |
||
| 1598 | |||
| 1599 | /** |
||
| 1600 | * @brief Indicate the status of Not Acknowledge received flag. |
||
| 1601 | * @note RESET: Clear default value. |
||
| 1602 | * SET: When a NACK is received after a byte transmission. |
||
| 1603 | * @rmtoll ISR NACKF LL_I2C_IsActiveFlag_NACK |
||
| 1604 | * @param I2Cx I2C Instance. |
||
| 1605 | * @retval State of bit (1 or 0). |
||
| 1606 | */ |
||
| 1607 | __STATIC_INLINE uint32_t LL_I2C_IsActiveFlag_NACK(I2C_TypeDef *I2Cx) |
||
| 1608 | { |
||
| 1609 | return ((READ_BIT(I2Cx->ISR, I2C_ISR_NACKF) == (I2C_ISR_NACKF)) ? 1UL : 0UL); |
||
| 1610 | } |
||
| 1611 | |||
| 1612 | /** |
||
| 1613 | * @brief Indicate the status of Stop detection flag. |
||
| 1614 | * @note RESET: Clear default value. |
||
| 1615 | * SET: When a Stop condition is detected. |
||
| 1616 | * @rmtoll ISR STOPF LL_I2C_IsActiveFlag_STOP |
||
| 1617 | * @param I2Cx I2C Instance. |
||
| 1618 | * @retval State of bit (1 or 0). |
||
| 1619 | */ |
||
| 1620 | __STATIC_INLINE uint32_t LL_I2C_IsActiveFlag_STOP(I2C_TypeDef *I2Cx) |
||
| 1621 | { |
||
| 1622 | return ((READ_BIT(I2Cx->ISR, I2C_ISR_STOPF) == (I2C_ISR_STOPF)) ? 1UL : 0UL); |
||
| 1623 | } |
||
| 1624 | |||
| 1625 | /** |
||
| 1626 | * @brief Indicate the status of Transfer complete flag (master mode). |
||
| 1627 | * @note RESET: Clear default value. |
||
| 1628 | * SET: When RELOAD=0, AUTOEND=0 and NBYTES date have been transferred. |
||
| 1629 | * @rmtoll ISR TC LL_I2C_IsActiveFlag_TC |
||
| 1630 | * @param I2Cx I2C Instance. |
||
| 1631 | * @retval State of bit (1 or 0). |
||
| 1632 | */ |
||
| 1633 | __STATIC_INLINE uint32_t LL_I2C_IsActiveFlag_TC(I2C_TypeDef *I2Cx) |
||
| 1634 | { |
||
| 1635 | return ((READ_BIT(I2Cx->ISR, I2C_ISR_TC) == (I2C_ISR_TC)) ? 1UL : 0UL); |
||
| 1636 | } |
||
| 1637 | |||
| 1638 | /** |
||
| 1639 | * @brief Indicate the status of Transfer complete flag (master mode). |
||
| 1640 | * @note RESET: Clear default value. |
||
| 1641 | * SET: When RELOAD=1 and NBYTES date have been transferred. |
||
| 1642 | * @rmtoll ISR TCR LL_I2C_IsActiveFlag_TCR |
||
| 1643 | * @param I2Cx I2C Instance. |
||
| 1644 | * @retval State of bit (1 or 0). |
||
| 1645 | */ |
||
| 1646 | __STATIC_INLINE uint32_t LL_I2C_IsActiveFlag_TCR(I2C_TypeDef *I2Cx) |
||
| 1647 | { |
||
| 1648 | return ((READ_BIT(I2Cx->ISR, I2C_ISR_TCR) == (I2C_ISR_TCR)) ? 1UL : 0UL); |
||
| 1649 | } |
||
| 1650 | |||
| 1651 | /** |
||
| 1652 | * @brief Indicate the status of Bus error flag. |
||
| 1653 | * @note RESET: Clear default value. |
||
| 1654 | * SET: When a misplaced Start or Stop condition is detected. |
||
| 1655 | * @rmtoll ISR BERR LL_I2C_IsActiveFlag_BERR |
||
| 1656 | * @param I2Cx I2C Instance. |
||
| 1657 | * @retval State of bit (1 or 0). |
||
| 1658 | */ |
||
| 1659 | __STATIC_INLINE uint32_t LL_I2C_IsActiveFlag_BERR(I2C_TypeDef *I2Cx) |
||
| 1660 | { |
||
| 1661 | return ((READ_BIT(I2Cx->ISR, I2C_ISR_BERR) == (I2C_ISR_BERR)) ? 1UL : 0UL); |
||
| 1662 | } |
||
| 1663 | |||
| 1664 | /** |
||
| 1665 | * @brief Indicate the status of Arbitration lost flag. |
||
| 1666 | * @note RESET: Clear default value. |
||
| 1667 | * SET: When arbitration lost. |
||
| 1668 | * @rmtoll ISR ARLO LL_I2C_IsActiveFlag_ARLO |
||
| 1669 | * @param I2Cx I2C Instance. |
||
| 1670 | * @retval State of bit (1 or 0). |
||
| 1671 | */ |
||
| 1672 | __STATIC_INLINE uint32_t LL_I2C_IsActiveFlag_ARLO(I2C_TypeDef *I2Cx) |
||
| 1673 | { |
||
| 1674 | return ((READ_BIT(I2Cx->ISR, I2C_ISR_ARLO) == (I2C_ISR_ARLO)) ? 1UL : 0UL); |
||
| 1675 | } |
||
| 1676 | |||
| 1677 | /** |
||
| 1678 | * @brief Indicate the status of Overrun/Underrun flag (slave mode). |
||
| 1679 | * @note RESET: Clear default value. |
||
| 1680 | * SET: When an overrun/underrun error occurs (Clock Stretching Disabled). |
||
| 1681 | * @rmtoll ISR OVR LL_I2C_IsActiveFlag_OVR |
||
| 1682 | * @param I2Cx I2C Instance. |
||
| 1683 | * @retval State of bit (1 or 0). |
||
| 1684 | */ |
||
| 1685 | __STATIC_INLINE uint32_t LL_I2C_IsActiveFlag_OVR(I2C_TypeDef *I2Cx) |
||
| 1686 | { |
||
| 1687 | return ((READ_BIT(I2Cx->ISR, I2C_ISR_OVR) == (I2C_ISR_OVR)) ? 1UL : 0UL); |
||
| 1688 | } |
||
| 1689 | |||
| 1690 | /** |
||
| 1691 | * @brief Indicate the status of SMBus PEC error flag in reception. |
||
| 1692 | * @note The macro IS_SMBUS_ALL_INSTANCE(I2Cx) can be used to check whether or not |
||
| 1693 | * SMBus feature is supported by the I2Cx Instance. |
||
| 1694 | * @note RESET: Clear default value. |
||
| 1695 | * SET: When the received PEC does not match with the PEC register content. |
||
| 1696 | * @rmtoll ISR PECERR LL_I2C_IsActiveSMBusFlag_PECERR |
||
| 1697 | * @param I2Cx I2C Instance. |
||
| 1698 | * @retval State of bit (1 or 0). |
||
| 1699 | */ |
||
| 1700 | __STATIC_INLINE uint32_t LL_I2C_IsActiveSMBusFlag_PECERR(I2C_TypeDef *I2Cx) |
||
| 1701 | { |
||
| 1702 | return ((READ_BIT(I2Cx->ISR, I2C_ISR_PECERR) == (I2C_ISR_PECERR)) ? 1UL : 0UL); |
||
| 1703 | } |
||
| 1704 | |||
| 1705 | /** |
||
| 1706 | * @brief Indicate the status of SMBus Timeout detection flag. |
||
| 1707 | * @note The macro IS_SMBUS_ALL_INSTANCE(I2Cx) can be used to check whether or not |
||
| 1708 | * SMBus feature is supported by the I2Cx Instance. |
||
| 1709 | * @note RESET: Clear default value. |
||
| 1710 | * SET: When a timeout or extended clock timeout occurs. |
||
| 1711 | * @rmtoll ISR TIMEOUT LL_I2C_IsActiveSMBusFlag_TIMEOUT |
||
| 1712 | * @param I2Cx I2C Instance. |
||
| 1713 | * @retval State of bit (1 or 0). |
||
| 1714 | */ |
||
| 1715 | __STATIC_INLINE uint32_t LL_I2C_IsActiveSMBusFlag_TIMEOUT(I2C_TypeDef *I2Cx) |
||
| 1716 | { |
||
| 1717 | return ((READ_BIT(I2Cx->ISR, I2C_ISR_TIMEOUT) == (I2C_ISR_TIMEOUT)) ? 1UL : 0UL); |
||
| 1718 | } |
||
| 1719 | |||
| 1720 | /** |
||
| 1721 | * @brief Indicate the status of SMBus alert flag. |
||
| 1722 | * @note The macro IS_SMBUS_ALL_INSTANCE(I2Cx) can be used to check whether or not |
||
| 1723 | * SMBus feature is supported by the I2Cx Instance. |
||
| 1724 | * @note RESET: Clear default value. |
||
| 1725 | * SET: When SMBus host configuration, SMBus alert enabled and |
||
| 1726 | * a falling edge event occurs on SMBA pin. |
||
| 1727 | * @rmtoll ISR ALERT LL_I2C_IsActiveSMBusFlag_ALERT |
||
| 1728 | * @param I2Cx I2C Instance. |
||
| 1729 | * @retval State of bit (1 or 0). |
||
| 1730 | */ |
||
| 1731 | __STATIC_INLINE uint32_t LL_I2C_IsActiveSMBusFlag_ALERT(I2C_TypeDef *I2Cx) |
||
| 1732 | { |
||
| 1733 | return ((READ_BIT(I2Cx->ISR, I2C_ISR_ALERT) == (I2C_ISR_ALERT)) ? 1UL : 0UL); |
||
| 1734 | } |
||
| 1735 | |||
| 1736 | /** |
||
| 1737 | * @brief Indicate the status of Bus Busy flag. |
||
| 1738 | * @note RESET: Clear default value. |
||
| 1739 | * SET: When a Start condition is detected. |
||
| 1740 | * @rmtoll ISR BUSY LL_I2C_IsActiveFlag_BUSY |
||
| 1741 | * @param I2Cx I2C Instance. |
||
| 1742 | * @retval State of bit (1 or 0). |
||
| 1743 | */ |
||
| 1744 | __STATIC_INLINE uint32_t LL_I2C_IsActiveFlag_BUSY(I2C_TypeDef *I2Cx) |
||
| 1745 | { |
||
| 1746 | return ((READ_BIT(I2Cx->ISR, I2C_ISR_BUSY) == (I2C_ISR_BUSY)) ? 1UL : 0UL); |
||
| 1747 | } |
||
| 1748 | |||
| 1749 | /** |
||
| 1750 | * @brief Clear Address Matched flag. |
||
| 1751 | * @rmtoll ICR ADDRCF LL_I2C_ClearFlag_ADDR |
||
| 1752 | * @param I2Cx I2C Instance. |
||
| 1753 | * @retval None |
||
| 1754 | */ |
||
| 1755 | __STATIC_INLINE void LL_I2C_ClearFlag_ADDR(I2C_TypeDef *I2Cx) |
||
| 1756 | { |
||
| 1757 | SET_BIT(I2Cx->ICR, I2C_ICR_ADDRCF); |
||
| 1758 | } |
||
| 1759 | |||
| 1760 | /** |
||
| 1761 | * @brief Clear Not Acknowledge flag. |
||
| 1762 | * @rmtoll ICR NACKCF LL_I2C_ClearFlag_NACK |
||
| 1763 | * @param I2Cx I2C Instance. |
||
| 1764 | * @retval None |
||
| 1765 | */ |
||
| 1766 | __STATIC_INLINE void LL_I2C_ClearFlag_NACK(I2C_TypeDef *I2Cx) |
||
| 1767 | { |
||
| 1768 | SET_BIT(I2Cx->ICR, I2C_ICR_NACKCF); |
||
| 1769 | } |
||
| 1770 | |||
| 1771 | /** |
||
| 1772 | * @brief Clear Stop detection flag. |
||
| 1773 | * @rmtoll ICR STOPCF LL_I2C_ClearFlag_STOP |
||
| 1774 | * @param I2Cx I2C Instance. |
||
| 1775 | * @retval None |
||
| 1776 | */ |
||
| 1777 | __STATIC_INLINE void LL_I2C_ClearFlag_STOP(I2C_TypeDef *I2Cx) |
||
| 1778 | { |
||
| 1779 | SET_BIT(I2Cx->ICR, I2C_ICR_STOPCF); |
||
| 1780 | } |
||
| 1781 | |||
| 1782 | /** |
||
| 1783 | * @brief Clear Transmit data register empty flag (TXE). |
||
| 1784 | * @note This bit can be clear by software in order to flush the transmit data register (TXDR). |
||
| 1785 | * @rmtoll ISR TXE LL_I2C_ClearFlag_TXE |
||
| 1786 | * @param I2Cx I2C Instance. |
||
| 1787 | * @retval None |
||
| 1788 | */ |
||
| 1789 | __STATIC_INLINE void LL_I2C_ClearFlag_TXE(I2C_TypeDef *I2Cx) |
||
| 1790 | { |
||
| 1791 | WRITE_REG(I2Cx->ISR, I2C_ISR_TXE); |
||
| 1792 | } |
||
| 1793 | |||
| 1794 | /** |
||
| 1795 | * @brief Clear Bus error flag. |
||
| 1796 | * @rmtoll ICR BERRCF LL_I2C_ClearFlag_BERR |
||
| 1797 | * @param I2Cx I2C Instance. |
||
| 1798 | * @retval None |
||
| 1799 | */ |
||
| 1800 | __STATIC_INLINE void LL_I2C_ClearFlag_BERR(I2C_TypeDef *I2Cx) |
||
| 1801 | { |
||
| 1802 | SET_BIT(I2Cx->ICR, I2C_ICR_BERRCF); |
||
| 1803 | } |
||
| 1804 | |||
| 1805 | /** |
||
| 1806 | * @brief Clear Arbitration lost flag. |
||
| 1807 | * @rmtoll ICR ARLOCF LL_I2C_ClearFlag_ARLO |
||
| 1808 | * @param I2Cx I2C Instance. |
||
| 1809 | * @retval None |
||
| 1810 | */ |
||
| 1811 | __STATIC_INLINE void LL_I2C_ClearFlag_ARLO(I2C_TypeDef *I2Cx) |
||
| 1812 | { |
||
| 1813 | SET_BIT(I2Cx->ICR, I2C_ICR_ARLOCF); |
||
| 1814 | } |
||
| 1815 | |||
| 1816 | /** |
||
| 1817 | * @brief Clear Overrun/Underrun flag. |
||
| 1818 | * @rmtoll ICR OVRCF LL_I2C_ClearFlag_OVR |
||
| 1819 | * @param I2Cx I2C Instance. |
||
| 1820 | * @retval None |
||
| 1821 | */ |
||
| 1822 | __STATIC_INLINE void LL_I2C_ClearFlag_OVR(I2C_TypeDef *I2Cx) |
||
| 1823 | { |
||
| 1824 | SET_BIT(I2Cx->ICR, I2C_ICR_OVRCF); |
||
| 1825 | } |
||
| 1826 | |||
| 1827 | /** |
||
| 1828 | * @brief Clear SMBus PEC error flag. |
||
| 1829 | * @note The macro IS_SMBUS_ALL_INSTANCE(I2Cx) can be used to check whether or not |
||
| 1830 | * SMBus feature is supported by the I2Cx Instance. |
||
| 1831 | * @rmtoll ICR PECCF LL_I2C_ClearSMBusFlag_PECERR |
||
| 1832 | * @param I2Cx I2C Instance. |
||
| 1833 | * @retval None |
||
| 1834 | */ |
||
| 1835 | __STATIC_INLINE void LL_I2C_ClearSMBusFlag_PECERR(I2C_TypeDef *I2Cx) |
||
| 1836 | { |
||
| 1837 | SET_BIT(I2Cx->ICR, I2C_ICR_PECCF); |
||
| 1838 | } |
||
| 1839 | |||
| 1840 | /** |
||
| 1841 | * @brief Clear SMBus Timeout detection flag. |
||
| 1842 | * @note The macro IS_SMBUS_ALL_INSTANCE(I2Cx) can be used to check whether or not |
||
| 1843 | * SMBus feature is supported by the I2Cx Instance. |
||
| 1844 | * @rmtoll ICR TIMOUTCF LL_I2C_ClearSMBusFlag_TIMEOUT |
||
| 1845 | * @param I2Cx I2C Instance. |
||
| 1846 | * @retval None |
||
| 1847 | */ |
||
| 1848 | __STATIC_INLINE void LL_I2C_ClearSMBusFlag_TIMEOUT(I2C_TypeDef *I2Cx) |
||
| 1849 | { |
||
| 1850 | SET_BIT(I2Cx->ICR, I2C_ICR_TIMOUTCF); |
||
| 1851 | } |
||
| 1852 | |||
| 1853 | /** |
||
| 1854 | * @brief Clear SMBus Alert flag. |
||
| 1855 | * @note The macro IS_SMBUS_ALL_INSTANCE(I2Cx) can be used to check whether or not |
||
| 1856 | * SMBus feature is supported by the I2Cx Instance. |
||
| 1857 | * @rmtoll ICR ALERTCF LL_I2C_ClearSMBusFlag_ALERT |
||
| 1858 | * @param I2Cx I2C Instance. |
||
| 1859 | * @retval None |
||
| 1860 | */ |
||
| 1861 | __STATIC_INLINE void LL_I2C_ClearSMBusFlag_ALERT(I2C_TypeDef *I2Cx) |
||
| 1862 | { |
||
| 1863 | SET_BIT(I2Cx->ICR, I2C_ICR_ALERTCF); |
||
| 1864 | } |
||
| 1865 | |||
| 1866 | /** |
||
| 1867 | * @} |
||
| 1868 | */ |
||
| 1869 | |||
| 1870 | /** @defgroup I2C_LL_EF_Data_Management Data_Management |
||
| 1871 | * @{ |
||
| 1872 | */ |
||
| 1873 | |||
| 1874 | /** |
||
| 1875 | * @brief Enable automatic STOP condition generation (master mode). |
||
| 1876 | * @note Automatic end mode : a STOP condition is automatically sent when NBYTES data are transferred. |
||
| 1877 | * This bit has no effect in slave mode or when RELOAD bit is set. |
||
| 1878 | * @rmtoll CR2 AUTOEND LL_I2C_EnableAutoEndMode |
||
| 1879 | * @param I2Cx I2C Instance. |
||
| 1880 | * @retval None |
||
| 1881 | */ |
||
| 1882 | __STATIC_INLINE void LL_I2C_EnableAutoEndMode(I2C_TypeDef *I2Cx) |
||
| 1883 | { |
||
| 1884 | SET_BIT(I2Cx->CR2, I2C_CR2_AUTOEND); |
||
| 1885 | } |
||
| 1886 | |||
| 1887 | /** |
||
| 1888 | * @brief Disable automatic STOP condition generation (master mode). |
||
| 1889 | * @note Software end mode : TC flag is set when NBYTES data are transferre, stretching SCL low. |
||
| 1890 | * @rmtoll CR2 AUTOEND LL_I2C_DisableAutoEndMode |
||
| 1891 | * @param I2Cx I2C Instance. |
||
| 1892 | * @retval None |
||
| 1893 | */ |
||
| 1894 | __STATIC_INLINE void LL_I2C_DisableAutoEndMode(I2C_TypeDef *I2Cx) |
||
| 1895 | { |
||
| 1896 | CLEAR_BIT(I2Cx->CR2, I2C_CR2_AUTOEND); |
||
| 1897 | } |
||
| 1898 | |||
| 1899 | /** |
||
| 1900 | * @brief Check if automatic STOP condition is enabled or disabled. |
||
| 1901 | * @rmtoll CR2 AUTOEND LL_I2C_IsEnabledAutoEndMode |
||
| 1902 | * @param I2Cx I2C Instance. |
||
| 1903 | * @retval State of bit (1 or 0). |
||
| 1904 | */ |
||
| 1905 | __STATIC_INLINE uint32_t LL_I2C_IsEnabledAutoEndMode(I2C_TypeDef *I2Cx) |
||
| 1906 | { |
||
| 1907 | return ((READ_BIT(I2Cx->CR2, I2C_CR2_AUTOEND) == (I2C_CR2_AUTOEND)) ? 1UL : 0UL); |
||
| 1908 | } |
||
| 1909 | |||
| 1910 | /** |
||
| 1911 | * @brief Enable reload mode (master mode). |
||
| 1912 | * @note The transfer is not completed after the NBYTES data transfer, NBYTES will be reloaded when TCR flag is set. |
||
| 1913 | * @rmtoll CR2 RELOAD LL_I2C_EnableReloadMode |
||
| 1914 | * @param I2Cx I2C Instance. |
||
| 1915 | * @retval None |
||
| 1916 | */ |
||
| 1917 | __STATIC_INLINE void LL_I2C_EnableReloadMode(I2C_TypeDef *I2Cx) |
||
| 1918 | { |
||
| 1919 | SET_BIT(I2Cx->CR2, I2C_CR2_RELOAD); |
||
| 1920 | } |
||
| 1921 | |||
| 1922 | /** |
||
| 1923 | * @brief Disable reload mode (master mode). |
||
| 1924 | * @note The transfer is completed after the NBYTES data transfer(STOP or RESTART will follow). |
||
| 1925 | * @rmtoll CR2 RELOAD LL_I2C_DisableReloadMode |
||
| 1926 | * @param I2Cx I2C Instance. |
||
| 1927 | * @retval None |
||
| 1928 | */ |
||
| 1929 | __STATIC_INLINE void LL_I2C_DisableReloadMode(I2C_TypeDef *I2Cx) |
||
| 1930 | { |
||
| 1931 | CLEAR_BIT(I2Cx->CR2, I2C_CR2_RELOAD); |
||
| 1932 | } |
||
| 1933 | |||
| 1934 | /** |
||
| 1935 | * @brief Check if reload mode is enabled or disabled. |
||
| 1936 | * @rmtoll CR2 RELOAD LL_I2C_IsEnabledReloadMode |
||
| 1937 | * @param I2Cx I2C Instance. |
||
| 1938 | * @retval State of bit (1 or 0). |
||
| 1939 | */ |
||
| 1940 | __STATIC_INLINE uint32_t LL_I2C_IsEnabledReloadMode(I2C_TypeDef *I2Cx) |
||
| 1941 | { |
||
| 1942 | return ((READ_BIT(I2Cx->CR2, I2C_CR2_RELOAD) == (I2C_CR2_RELOAD)) ? 1UL : 0UL); |
||
| 1943 | } |
||
| 1944 | |||
| 1945 | /** |
||
| 1946 | * @brief Configure the number of bytes for transfer. |
||
| 1947 | * @note Changing these bits when START bit is set is not allowed. |
||
| 1948 | * @rmtoll CR2 NBYTES LL_I2C_SetTransferSize |
||
| 1949 | * @param I2Cx I2C Instance. |
||
| 1950 | * @param TransferSize This parameter must be a value between Min_Data=0x00 and Max_Data=0xFF. |
||
| 1951 | * @retval None |
||
| 1952 | */ |
||
| 1953 | __STATIC_INLINE void LL_I2C_SetTransferSize(I2C_TypeDef *I2Cx, uint32_t TransferSize) |
||
| 1954 | { |
||
| 1955 | MODIFY_REG(I2Cx->CR2, I2C_CR2_NBYTES, TransferSize << I2C_CR2_NBYTES_Pos); |
||
| 1956 | } |
||
| 1957 | |||
| 1958 | /** |
||
| 1959 | * @brief Get the number of bytes configured for transfer. |
||
| 1960 | * @rmtoll CR2 NBYTES LL_I2C_GetTransferSize |
||
| 1961 | * @param I2Cx I2C Instance. |
||
| 1962 | * @retval Value between Min_Data=0x0 and Max_Data=0xFF |
||
| 1963 | */ |
||
| 1964 | __STATIC_INLINE uint32_t LL_I2C_GetTransferSize(I2C_TypeDef *I2Cx) |
||
| 1965 | { |
||
| 1966 | return (uint32_t)(READ_BIT(I2Cx->CR2, I2C_CR2_NBYTES) >> I2C_CR2_NBYTES_Pos); |
||
| 1967 | } |
||
| 1968 | |||
| 1969 | /** |
||
| 1970 | * @brief Prepare the generation of a ACKnowledge or Non ACKnowledge condition after the address receive match code |
||
| 1971 | or next received byte. |
||
| 1972 | * @note Usage in Slave mode only. |
||
| 1973 | * @rmtoll CR2 NACK LL_I2C_AcknowledgeNextData |
||
| 1974 | * @param I2Cx I2C Instance. |
||
| 1975 | * @param TypeAcknowledge This parameter can be one of the following values: |
||
| 1976 | * @arg @ref LL_I2C_ACK |
||
| 1977 | * @arg @ref LL_I2C_NACK |
||
| 1978 | * @retval None |
||
| 1979 | */ |
||
| 1980 | __STATIC_INLINE void LL_I2C_AcknowledgeNextData(I2C_TypeDef *I2Cx, uint32_t TypeAcknowledge) |
||
| 1981 | { |
||
| 1982 | MODIFY_REG(I2Cx->CR2, I2C_CR2_NACK, TypeAcknowledge); |
||
| 1983 | } |
||
| 1984 | |||
| 1985 | /** |
||
| 1986 | * @brief Generate a START or RESTART condition |
||
| 1987 | * @note The START bit can be set even if bus is BUSY or I2C is in slave mode. |
||
| 1988 | * This action has no effect when RELOAD is set. |
||
| 1989 | * @rmtoll CR2 START LL_I2C_GenerateStartCondition |
||
| 1990 | * @param I2Cx I2C Instance. |
||
| 1991 | * @retval None |
||
| 1992 | */ |
||
| 1993 | __STATIC_INLINE void LL_I2C_GenerateStartCondition(I2C_TypeDef *I2Cx) |
||
| 1994 | { |
||
| 1995 | SET_BIT(I2Cx->CR2, I2C_CR2_START); |
||
| 1996 | } |
||
| 1997 | |||
| 1998 | /** |
||
| 1999 | * @brief Generate a STOP condition after the current byte transfer (master mode). |
||
| 2000 | * @rmtoll CR2 STOP LL_I2C_GenerateStopCondition |
||
| 2001 | * @param I2Cx I2C Instance. |
||
| 2002 | * @retval None |
||
| 2003 | */ |
||
| 2004 | __STATIC_INLINE void LL_I2C_GenerateStopCondition(I2C_TypeDef *I2Cx) |
||
| 2005 | { |
||
| 2006 | SET_BIT(I2Cx->CR2, I2C_CR2_STOP); |
||
| 2007 | } |
||
| 2008 | |||
| 2009 | /** |
||
| 2010 | * @brief Enable automatic RESTART Read request condition for 10bit address header (master mode). |
||
| 2011 | * @note The master sends the complete 10bit slave address read sequence : |
||
| 2012 | * Start + 2 bytes 10bit address in Write direction + Restart + first 7 bits of 10bit address |
||
| 2013 | in Read direction. |
||
| 2014 | * @rmtoll CR2 HEAD10R LL_I2C_EnableAuto10BitRead |
||
| 2015 | * @param I2Cx I2C Instance. |
||
| 2016 | * @retval None |
||
| 2017 | */ |
||
| 2018 | __STATIC_INLINE void LL_I2C_EnableAuto10BitRead(I2C_TypeDef *I2Cx) |
||
| 2019 | { |
||
| 2020 | CLEAR_BIT(I2Cx->CR2, I2C_CR2_HEAD10R); |
||
| 2021 | } |
||
| 2022 | |||
| 2023 | /** |
||
| 2024 | * @brief Disable automatic RESTART Read request condition for 10bit address header (master mode). |
||
| 2025 | * @note The master only sends the first 7 bits of 10bit address in Read direction. |
||
| 2026 | * @rmtoll CR2 HEAD10R LL_I2C_DisableAuto10BitRead |
||
| 2027 | * @param I2Cx I2C Instance. |
||
| 2028 | * @retval None |
||
| 2029 | */ |
||
| 2030 | __STATIC_INLINE void LL_I2C_DisableAuto10BitRead(I2C_TypeDef *I2Cx) |
||
| 2031 | { |
||
| 2032 | SET_BIT(I2Cx->CR2, I2C_CR2_HEAD10R); |
||
| 2033 | } |
||
| 2034 | |||
| 2035 | /** |
||
| 2036 | * @brief Check if automatic RESTART Read request condition for 10bit address header is enabled or disabled. |
||
| 2037 | * @rmtoll CR2 HEAD10R LL_I2C_IsEnabledAuto10BitRead |
||
| 2038 | * @param I2Cx I2C Instance. |
||
| 2039 | * @retval State of bit (1 or 0). |
||
| 2040 | */ |
||
| 2041 | __STATIC_INLINE uint32_t LL_I2C_IsEnabledAuto10BitRead(I2C_TypeDef *I2Cx) |
||
| 2042 | { |
||
| 2043 | return ((READ_BIT(I2Cx->CR2, I2C_CR2_HEAD10R) != (I2C_CR2_HEAD10R)) ? 1UL : 0UL); |
||
| 2044 | } |
||
| 2045 | |||
| 2046 | /** |
||
| 2047 | * @brief Configure the transfer direction (master mode). |
||
| 2048 | * @note Changing these bits when START bit is set is not allowed. |
||
| 2049 | * @rmtoll CR2 RD_WRN LL_I2C_SetTransferRequest |
||
| 2050 | * @param I2Cx I2C Instance. |
||
| 2051 | * @param TransferRequest This parameter can be one of the following values: |
||
| 2052 | * @arg @ref LL_I2C_REQUEST_WRITE |
||
| 2053 | * @arg @ref LL_I2C_REQUEST_READ |
||
| 2054 | * @retval None |
||
| 2055 | */ |
||
| 2056 | __STATIC_INLINE void LL_I2C_SetTransferRequest(I2C_TypeDef *I2Cx, uint32_t TransferRequest) |
||
| 2057 | { |
||
| 2058 | MODIFY_REG(I2Cx->CR2, I2C_CR2_RD_WRN, TransferRequest); |
||
| 2059 | } |
||
| 2060 | |||
| 2061 | /** |
||
| 2062 | * @brief Get the transfer direction requested (master mode). |
||
| 2063 | * @rmtoll CR2 RD_WRN LL_I2C_GetTransferRequest |
||
| 2064 | * @param I2Cx I2C Instance. |
||
| 2065 | * @retval Returned value can be one of the following values: |
||
| 2066 | * @arg @ref LL_I2C_REQUEST_WRITE |
||
| 2067 | * @arg @ref LL_I2C_REQUEST_READ |
||
| 2068 | */ |
||
| 2069 | __STATIC_INLINE uint32_t LL_I2C_GetTransferRequest(I2C_TypeDef *I2Cx) |
||
| 2070 | { |
||
| 2071 | return (uint32_t)(READ_BIT(I2Cx->CR2, I2C_CR2_RD_WRN)); |
||
| 2072 | } |
||
| 2073 | |||
| 2074 | /** |
||
| 2075 | * @brief Configure the slave address for transfer (master mode). |
||
| 2076 | * @note Changing these bits when START bit is set is not allowed. |
||
| 2077 | * @rmtoll CR2 SADD LL_I2C_SetSlaveAddr |
||
| 2078 | * @param I2Cx I2C Instance. |
||
| 2079 | * @param SlaveAddr This parameter must be a value between Min_Data=0x00 and Max_Data=0x3F. |
||
| 2080 | * @retval None |
||
| 2081 | */ |
||
| 2082 | __STATIC_INLINE void LL_I2C_SetSlaveAddr(I2C_TypeDef *I2Cx, uint32_t SlaveAddr) |
||
| 2083 | { |
||
| 2084 | MODIFY_REG(I2Cx->CR2, I2C_CR2_SADD, SlaveAddr); |
||
| 2085 | } |
||
| 2086 | |||
| 2087 | /** |
||
| 2088 | * @brief Get the slave address programmed for transfer. |
||
| 2089 | * @rmtoll CR2 SADD LL_I2C_GetSlaveAddr |
||
| 2090 | * @param I2Cx I2C Instance. |
||
| 2091 | * @retval Value between Min_Data=0x0 and Max_Data=0x3F |
||
| 2092 | */ |
||
| 2093 | __STATIC_INLINE uint32_t LL_I2C_GetSlaveAddr(I2C_TypeDef *I2Cx) |
||
| 2094 | { |
||
| 2095 | return (uint32_t)(READ_BIT(I2Cx->CR2, I2C_CR2_SADD)); |
||
| 2096 | } |
||
| 2097 | |||
| 2098 | /** |
||
| 2099 | * @brief Handles I2Cx communication when starting transfer or during transfer (TC or TCR flag are set). |
||
| 2100 | * @rmtoll CR2 SADD LL_I2C_HandleTransfer\n |
||
| 2101 | * CR2 ADD10 LL_I2C_HandleTransfer\n |
||
| 2102 | * CR2 RD_WRN LL_I2C_HandleTransfer\n |
||
| 2103 | * CR2 START LL_I2C_HandleTransfer\n |
||
| 2104 | * CR2 STOP LL_I2C_HandleTransfer\n |
||
| 2105 | * CR2 RELOAD LL_I2C_HandleTransfer\n |
||
| 2106 | * CR2 NBYTES LL_I2C_HandleTransfer\n |
||
| 2107 | * CR2 AUTOEND LL_I2C_HandleTransfer\n |
||
| 2108 | * CR2 HEAD10R LL_I2C_HandleTransfer |
||
| 2109 | * @param I2Cx I2C Instance. |
||
| 2110 | * @param SlaveAddr Specifies the slave address to be programmed. |
||
| 2111 | * @param SlaveAddrSize This parameter can be one of the following values: |
||
| 2112 | * @arg @ref LL_I2C_ADDRSLAVE_7BIT |
||
| 2113 | * @arg @ref LL_I2C_ADDRSLAVE_10BIT |
||
| 2114 | * @param TransferSize Specifies the number of bytes to be programmed. |
||
| 2115 | * This parameter must be a value between Min_Data=0 and Max_Data=255. |
||
| 2116 | * @param EndMode This parameter can be one of the following values: |
||
| 2117 | * @arg @ref LL_I2C_MODE_RELOAD |
||
| 2118 | * @arg @ref LL_I2C_MODE_AUTOEND |
||
| 2119 | * @arg @ref LL_I2C_MODE_SOFTEND |
||
| 2120 | * @arg @ref LL_I2C_MODE_SMBUS_RELOAD |
||
| 2121 | * @arg @ref LL_I2C_MODE_SMBUS_AUTOEND_NO_PEC |
||
| 2122 | * @arg @ref LL_I2C_MODE_SMBUS_SOFTEND_NO_PEC |
||
| 2123 | * @arg @ref LL_I2C_MODE_SMBUS_AUTOEND_WITH_PEC |
||
| 2124 | * @arg @ref LL_I2C_MODE_SMBUS_SOFTEND_WITH_PEC |
||
| 2125 | * @param Request This parameter can be one of the following values: |
||
| 2126 | * @arg @ref LL_I2C_GENERATE_NOSTARTSTOP |
||
| 2127 | * @arg @ref LL_I2C_GENERATE_STOP |
||
| 2128 | * @arg @ref LL_I2C_GENERATE_START_READ |
||
| 2129 | * @arg @ref LL_I2C_GENERATE_START_WRITE |
||
| 2130 | * @arg @ref LL_I2C_GENERATE_RESTART_7BIT_READ |
||
| 2131 | * @arg @ref LL_I2C_GENERATE_RESTART_7BIT_WRITE |
||
| 2132 | * @arg @ref LL_I2C_GENERATE_RESTART_10BIT_READ |
||
| 2133 | * @arg @ref LL_I2C_GENERATE_RESTART_10BIT_WRITE |
||
| 2134 | * @retval None |
||
| 2135 | */ |
||
| 2136 | __STATIC_INLINE void LL_I2C_HandleTransfer(I2C_TypeDef *I2Cx, uint32_t SlaveAddr, uint32_t SlaveAddrSize, |
||
| 2137 | uint32_t TransferSize, uint32_t EndMode, uint32_t Request) |
||
| 2138 | { |
||
| 2139 | MODIFY_REG(I2Cx->CR2, I2C_CR2_SADD | I2C_CR2_ADD10 | |
||
| 2140 | (I2C_CR2_RD_WRN & (uint32_t)(Request >> (31U - I2C_CR2_RD_WRN_Pos))) | |
||
| 2141 | I2C_CR2_START | I2C_CR2_STOP | I2C_CR2_RELOAD | |
||
| 2142 | I2C_CR2_NBYTES | I2C_CR2_AUTOEND | I2C_CR2_HEAD10R, |
||
| 2143 | SlaveAddr | SlaveAddrSize | (TransferSize << I2C_CR2_NBYTES_Pos) | EndMode | Request); |
||
| 2144 | } |
||
| 2145 | |||
| 2146 | /** |
||
| 2147 | * @brief Indicate the value of transfer direction (slave mode). |
||
| 2148 | * @note RESET: Write transfer, Slave enters in receiver mode. |
||
| 2149 | * SET: Read transfer, Slave enters in transmitter mode. |
||
| 2150 | * @rmtoll ISR DIR LL_I2C_GetTransferDirection |
||
| 2151 | * @param I2Cx I2C Instance. |
||
| 2152 | * @retval Returned value can be one of the following values: |
||
| 2153 | * @arg @ref LL_I2C_DIRECTION_WRITE |
||
| 2154 | * @arg @ref LL_I2C_DIRECTION_READ |
||
| 2155 | */ |
||
| 2156 | __STATIC_INLINE uint32_t LL_I2C_GetTransferDirection(I2C_TypeDef *I2Cx) |
||
| 2157 | { |
||
| 2158 | return (uint32_t)(READ_BIT(I2Cx->ISR, I2C_ISR_DIR)); |
||
| 2159 | } |
||
| 2160 | |||
| 2161 | /** |
||
| 2162 | * @brief Return the slave matched address. |
||
| 2163 | * @rmtoll ISR ADDCODE LL_I2C_GetAddressMatchCode |
||
| 2164 | * @param I2Cx I2C Instance. |
||
| 2165 | * @retval Value between Min_Data=0x00 and Max_Data=0x3F |
||
| 2166 | */ |
||
| 2167 | __STATIC_INLINE uint32_t LL_I2C_GetAddressMatchCode(I2C_TypeDef *I2Cx) |
||
| 2168 | { |
||
| 2169 | return (uint32_t)(READ_BIT(I2Cx->ISR, I2C_ISR_ADDCODE) >> I2C_ISR_ADDCODE_Pos << 1); |
||
| 2170 | } |
||
| 2171 | |||
| 2172 | /** |
||
| 2173 | * @brief Enable internal comparison of the SMBus Packet Error byte (transmission or reception mode). |
||
| 2174 | * @note The macro IS_SMBUS_ALL_INSTANCE(I2Cx) can be used to check whether or not |
||
| 2175 | * SMBus feature is supported by the I2Cx Instance. |
||
| 2176 | * @note This feature is cleared by hardware when the PEC byte is transferred, or when a STOP condition |
||
| 2177 | or an Address Matched is received. |
||
| 2178 | * This bit has no effect when RELOAD bit is set. |
||
| 2179 | * This bit has no effect in device mode when SBC bit is not set. |
||
| 2180 | * @rmtoll CR2 PECBYTE LL_I2C_EnableSMBusPECCompare |
||
| 2181 | * @param I2Cx I2C Instance. |
||
| 2182 | * @retval None |
||
| 2183 | */ |
||
| 2184 | __STATIC_INLINE void LL_I2C_EnableSMBusPECCompare(I2C_TypeDef *I2Cx) |
||
| 2185 | { |
||
| 2186 | SET_BIT(I2Cx->CR2, I2C_CR2_PECBYTE); |
||
| 2187 | } |
||
| 2188 | |||
| 2189 | /** |
||
| 2190 | * @brief Check if the SMBus Packet Error byte internal comparison is requested or not. |
||
| 2191 | * @note The macro IS_SMBUS_ALL_INSTANCE(I2Cx) can be used to check whether or not |
||
| 2192 | * SMBus feature is supported by the I2Cx Instance. |
||
| 2193 | * @rmtoll CR2 PECBYTE LL_I2C_IsEnabledSMBusPECCompare |
||
| 2194 | * @param I2Cx I2C Instance. |
||
| 2195 | * @retval State of bit (1 or 0). |
||
| 2196 | */ |
||
| 2197 | __STATIC_INLINE uint32_t LL_I2C_IsEnabledSMBusPECCompare(I2C_TypeDef *I2Cx) |
||
| 2198 | { |
||
| 2199 | return ((READ_BIT(I2Cx->CR2, I2C_CR2_PECBYTE) == (I2C_CR2_PECBYTE)) ? 1UL : 0UL); |
||
| 2200 | } |
||
| 2201 | |||
| 2202 | /** |
||
| 2203 | * @brief Get the SMBus Packet Error byte calculated. |
||
| 2204 | * @note The macro IS_SMBUS_ALL_INSTANCE(I2Cx) can be used to check whether or not |
||
| 2205 | * SMBus feature is supported by the I2Cx Instance. |
||
| 2206 | * @rmtoll PECR PEC LL_I2C_GetSMBusPEC |
||
| 2207 | * @param I2Cx I2C Instance. |
||
| 2208 | * @retval Value between Min_Data=0x00 and Max_Data=0xFF |
||
| 2209 | */ |
||
| 2210 | __STATIC_INLINE uint32_t LL_I2C_GetSMBusPEC(I2C_TypeDef *I2Cx) |
||
| 2211 | { |
||
| 2212 | return (uint32_t)(READ_BIT(I2Cx->PECR, I2C_PECR_PEC)); |
||
| 2213 | } |
||
| 2214 | |||
| 2215 | /** |
||
| 2216 | * @brief Read Receive Data register. |
||
| 2217 | * @rmtoll RXDR RXDATA LL_I2C_ReceiveData8 |
||
| 2218 | * @param I2Cx I2C Instance. |
||
| 2219 | * @retval Value between Min_Data=0x00 and Max_Data=0xFF |
||
| 2220 | */ |
||
| 2221 | __STATIC_INLINE uint8_t LL_I2C_ReceiveData8(I2C_TypeDef *I2Cx) |
||
| 2222 | { |
||
| 2223 | return (uint8_t)(READ_BIT(I2Cx->RXDR, I2C_RXDR_RXDATA)); |
||
| 2224 | } |
||
| 2225 | |||
| 2226 | /** |
||
| 2227 | * @brief Write in Transmit Data Register . |
||
| 2228 | * @rmtoll TXDR TXDATA LL_I2C_TransmitData8 |
||
| 2229 | * @param I2Cx I2C Instance. |
||
| 2230 | * @param Data Value between Min_Data=0x00 and Max_Data=0xFF |
||
| 2231 | * @retval None |
||
| 2232 | */ |
||
| 2233 | __STATIC_INLINE void LL_I2C_TransmitData8(I2C_TypeDef *I2Cx, uint8_t Data) |
||
| 2234 | { |
||
| 2235 | WRITE_REG(I2Cx->TXDR, Data); |
||
| 2236 | } |
||
| 2237 | |||
| 2238 | /** |
||
| 2239 | * @} |
||
| 2240 | */ |
||
| 2241 | |||
| 2242 | #if defined(USE_FULL_LL_DRIVER) |
||
| 2243 | /** @defgroup I2C_LL_EF_Init Initialization and de-initialization functions |
||
| 2244 | * @{ |
||
| 2245 | */ |
||
| 2246 | |||
| 2247 | ErrorStatus LL_I2C_Init(I2C_TypeDef *I2Cx, LL_I2C_InitTypeDef *I2C_InitStruct); |
||
| 2248 | ErrorStatus LL_I2C_DeInit(I2C_TypeDef *I2Cx); |
||
| 2249 | void LL_I2C_StructInit(LL_I2C_InitTypeDef *I2C_InitStruct); |
||
| 2250 | |||
| 2251 | |||
| 2252 | /** |
||
| 2253 | * @} |
||
| 2254 | */ |
||
| 2255 | #endif /* USE_FULL_LL_DRIVER */ |
||
| 2256 | |||
| 2257 | /** |
||
| 2258 | * @} |
||
| 2259 | */ |
||
| 2260 | |||
| 2261 | /** |
||
| 2262 | * @} |
||
| 2263 | */ |
||
| 2264 | |||
| 2265 | #endif /* I2C1 || I2C2 */ |
||
| 2266 | |||
| 2267 | /** |
||
| 2268 | * @} |
||
| 2269 | */ |
||
| 2270 | |||
| 2271 | #ifdef __cplusplus |
||
| 2272 | } |
||
| 2273 | #endif |
||
| 2274 | |||
| 2275 | #endif /* STM32F0xx_LL_I2C_H */ |
||
| 2276 | |||
| 2277 | /************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/ |