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2 | mjames | 1 | /** |
2 | ****************************************************************************** |
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3 | * @file stm32f0xx_hal_usart.h |
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4 | * @author MCD Application Team |
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5 | * @brief Header file of USART HAL 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_HAL_USART_H |
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22 | #define STM32F0xx_HAL_USART_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_hal_def.h" |
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30 | |||
31 | /** @addtogroup STM32F0xx_HAL_Driver |
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32 | * @{ |
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33 | */ |
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34 | |||
35 | /** @addtogroup USART |
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36 | * @{ |
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37 | */ |
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38 | |||
39 | /* Exported types ------------------------------------------------------------*/ |
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40 | /** @defgroup USART_Exported_Types USART Exported Types |
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41 | * @{ |
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42 | */ |
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43 | |||
44 | /** |
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45 | * @brief USART Init Structure definition |
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46 | */ |
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47 | typedef struct |
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48 | { |
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49 | uint32_t BaudRate; /*!< This member configures the Usart communication baud rate. |
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50 | The baud rate is computed using the following formula: |
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51 | Baud Rate Register[15:4] = ((2 * fclk_pres) / ((huart->Init.BaudRate)))[15:4] |
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52 | Baud Rate Register[3] = 0 |
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53 | Baud Rate Register[2:0] = (((2 * fclk_pres) / ((huart->Init.BaudRate)))[3:0]) >> 1 |
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54 | where fclk_pres is the USART input clock frequency |
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55 | @note Oversampling by 8 is systematically applied to achieve high baud rates. */ |
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56 | |||
57 | uint32_t WordLength; /*!< Specifies the number of data bits transmitted or received in a frame. |
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58 | This parameter can be a value of @ref USARTEx_Word_Length. */ |
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59 | |||
60 | uint32_t StopBits; /*!< Specifies the number of stop bits transmitted. |
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61 | This parameter can be a value of @ref USART_Stop_Bits. */ |
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62 | |||
63 | uint32_t Parity; /*!< Specifies the parity mode. |
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64 | This parameter can be a value of @ref USART_Parity |
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65 | @note When parity is enabled, the computed parity is inserted |
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66 | at the MSB position of the transmitted data (9th bit when |
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67 | the word length is set to 9 data bits; 8th bit when the |
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68 | word length is set to 8 data bits). */ |
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69 | |||
70 | uint32_t Mode; /*!< Specifies whether the Receive or Transmit mode is enabled or disabled. |
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71 | This parameter can be a value of @ref USART_Mode. */ |
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72 | |||
73 | uint32_t CLKPolarity; /*!< Specifies the steady state of the serial clock. |
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74 | This parameter can be a value of @ref USART_Clock_Polarity. */ |
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75 | |||
76 | uint32_t CLKPhase; /*!< Specifies the clock transition on which the bit capture is made. |
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77 | This parameter can be a value of @ref USART_Clock_Phase. */ |
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78 | |||
79 | uint32_t CLKLastBit; /*!< Specifies whether the clock pulse corresponding to the last transmitted |
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80 | data bit (MSB) has to be output on the SCLK pin in synchronous mode. |
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81 | This parameter can be a value of @ref USART_Last_Bit. */ |
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82 | |||
83 | } USART_InitTypeDef; |
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84 | |||
85 | /** |
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86 | * @brief HAL USART State structures definition |
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87 | */ |
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88 | typedef enum |
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89 | { |
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90 | HAL_USART_STATE_RESET = 0x00U, /*!< Peripheral is not initialized */ |
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91 | HAL_USART_STATE_READY = 0x01U, /*!< Peripheral Initialized and ready for use */ |
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92 | HAL_USART_STATE_BUSY = 0x02U, /*!< an internal process is ongoing */ |
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93 | HAL_USART_STATE_BUSY_TX = 0x12U, /*!< Data Transmission process is ongoing */ |
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94 | HAL_USART_STATE_BUSY_RX = 0x22U, /*!< Data Reception process is ongoing */ |
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95 | HAL_USART_STATE_BUSY_TX_RX = 0x32U, /*!< Data Transmission Reception process is ongoing */ |
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96 | HAL_USART_STATE_TIMEOUT = 0x03U, /*!< Timeout state */ |
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97 | HAL_USART_STATE_ERROR = 0x04U /*!< Error */ |
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98 | } HAL_USART_StateTypeDef; |
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99 | |||
100 | /** |
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101 | * @brief USART clock sources definitions |
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102 | */ |
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103 | typedef enum |
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104 | { |
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105 | USART_CLOCKSOURCE_PCLK1 = 0x00U, /*!< PCLK1 clock source */ |
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106 | USART_CLOCKSOURCE_HSI = 0x02U, /*!< HSI clock source */ |
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107 | USART_CLOCKSOURCE_SYSCLK = 0x04U, /*!< SYSCLK clock source */ |
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108 | USART_CLOCKSOURCE_LSE = 0x08U, /*!< LSE clock source */ |
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109 | USART_CLOCKSOURCE_UNDEFINED = 0x10U /*!< Undefined clock source */ |
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110 | } USART_ClockSourceTypeDef; |
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111 | |||
112 | /** |
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113 | * @brief USART handle Structure definition |
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114 | */ |
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115 | typedef struct __USART_HandleTypeDef |
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116 | { |
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117 | USART_TypeDef *Instance; /*!< USART registers base address */ |
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118 | |||
119 | USART_InitTypeDef Init; /*!< USART communication parameters */ |
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120 | |||
121 | uint8_t *pTxBuffPtr; /*!< Pointer to USART Tx transfer Buffer */ |
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122 | |||
123 | uint16_t TxXferSize; /*!< USART Tx Transfer size */ |
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124 | |||
125 | __IO uint16_t TxXferCount; /*!< USART Tx Transfer Counter */ |
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126 | |||
127 | uint8_t *pRxBuffPtr; /*!< Pointer to USART Rx transfer Buffer */ |
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128 | |||
129 | uint16_t RxXferSize; /*!< USART Rx Transfer size */ |
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130 | |||
131 | __IO uint16_t RxXferCount; /*!< USART Rx Transfer Counter */ |
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132 | |||
133 | uint16_t Mask; /*!< USART Rx RDR register mask */ |
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134 | |||
135 | void (*RxISR)(struct __USART_HandleTypeDef *husart); /*!< Function pointer on Rx IRQ handler */ |
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136 | |||
137 | void (*TxISR)(struct __USART_HandleTypeDef *husart); /*!< Function pointer on Tx IRQ handler */ |
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138 | |||
139 | DMA_HandleTypeDef *hdmatx; /*!< USART Tx DMA Handle parameters */ |
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140 | |||
141 | DMA_HandleTypeDef *hdmarx; /*!< USART Rx DMA Handle parameters */ |
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142 | |||
143 | HAL_LockTypeDef Lock; /*!< Locking object */ |
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144 | |||
145 | __IO HAL_USART_StateTypeDef State; /*!< USART communication state */ |
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146 | |||
147 | __IO uint32_t ErrorCode; /*!< USART Error code */ |
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148 | |||
149 | #if (USE_HAL_USART_REGISTER_CALLBACKS == 1) |
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150 | void (* TxHalfCpltCallback)(struct __USART_HandleTypeDef *husart); /*!< USART Tx Half Complete Callback */ |
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151 | void (* TxCpltCallback)(struct __USART_HandleTypeDef *husart); /*!< USART Tx Complete Callback */ |
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152 | void (* RxHalfCpltCallback)(struct __USART_HandleTypeDef *husart); /*!< USART Rx Half Complete Callback */ |
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153 | void (* RxCpltCallback)(struct __USART_HandleTypeDef *husart); /*!< USART Rx Complete Callback */ |
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154 | void (* TxRxCpltCallback)(struct __USART_HandleTypeDef *husart); /*!< USART Tx Rx Complete Callback */ |
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155 | void (* ErrorCallback)(struct __USART_HandleTypeDef *husart); /*!< USART Error Callback */ |
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156 | void (* AbortCpltCallback)(struct __USART_HandleTypeDef *husart); /*!< USART Abort Complete Callback */ |
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157 | |||
158 | void (* MspInitCallback)(struct __USART_HandleTypeDef *husart); /*!< USART Msp Init callback */ |
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159 | void (* MspDeInitCallback)(struct __USART_HandleTypeDef *husart); /*!< USART Msp DeInit callback */ |
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160 | #endif /* USE_HAL_USART_REGISTER_CALLBACKS */ |
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161 | |||
162 | } USART_HandleTypeDef; |
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163 | |||
164 | #if (USE_HAL_USART_REGISTER_CALLBACKS == 1) |
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165 | /** |
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166 | * @brief HAL USART Callback ID enumeration definition |
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167 | */ |
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168 | typedef enum |
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169 | { |
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170 | HAL_USART_TX_HALFCOMPLETE_CB_ID = 0x00U, /*!< USART Tx Half Complete Callback ID */ |
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171 | HAL_USART_TX_COMPLETE_CB_ID = 0x01U, /*!< USART Tx Complete Callback ID */ |
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172 | HAL_USART_RX_HALFCOMPLETE_CB_ID = 0x02U, /*!< USART Rx Half Complete Callback ID */ |
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173 | HAL_USART_RX_COMPLETE_CB_ID = 0x03U, /*!< USART Rx Complete Callback ID */ |
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174 | HAL_USART_TX_RX_COMPLETE_CB_ID = 0x04U, /*!< USART Tx Rx Complete Callback ID */ |
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175 | HAL_USART_ERROR_CB_ID = 0x05U, /*!< USART Error Callback ID */ |
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176 | HAL_USART_ABORT_COMPLETE_CB_ID = 0x06U, /*!< USART Abort Complete Callback ID */ |
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177 | |||
178 | HAL_USART_MSPINIT_CB_ID = 0x09U, /*!< USART MspInit callback ID */ |
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179 | HAL_USART_MSPDEINIT_CB_ID = 0x0AU /*!< USART MspDeInit callback ID */ |
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180 | |||
181 | } HAL_USART_CallbackIDTypeDef; |
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182 | |||
183 | /** |
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184 | * @brief HAL USART Callback pointer definition |
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185 | */ |
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186 | typedef void (*pUSART_CallbackTypeDef)(USART_HandleTypeDef *husart); /*!< pointer to an USART callback function */ |
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187 | |||
188 | #endif /* USE_HAL_USART_REGISTER_CALLBACKS */ |
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189 | |||
190 | /** |
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191 | * @} |
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192 | */ |
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193 | |||
194 | /* Exported constants --------------------------------------------------------*/ |
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195 | /** @defgroup USART_Exported_Constants USART Exported Constants |
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196 | * @{ |
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197 | */ |
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198 | |||
199 | /** @defgroup USART_Error_Definition USART Error Definition |
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200 | * @{ |
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201 | */ |
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202 | #define HAL_USART_ERROR_NONE ((uint32_t)0x00000000U) /*!< No error */ |
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203 | #define HAL_USART_ERROR_PE ((uint32_t)0x00000001U) /*!< Parity error */ |
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204 | #define HAL_USART_ERROR_NE ((uint32_t)0x00000002U) /*!< Noise error */ |
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205 | #define HAL_USART_ERROR_FE ((uint32_t)0x00000004U) /*!< Frame error */ |
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206 | #define HAL_USART_ERROR_ORE ((uint32_t)0x00000008U) /*!< Overrun error */ |
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207 | #define HAL_USART_ERROR_DMA ((uint32_t)0x00000010U) /*!< DMA transfer error */ |
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208 | #if (USE_HAL_USART_REGISTER_CALLBACKS == 1) |
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209 | #define HAL_USART_ERROR_INVALID_CALLBACK ((uint32_t)0x00000040U) /*!< Invalid Callback error */ |
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210 | #endif /* USE_HAL_USART_REGISTER_CALLBACKS */ |
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211 | /** |
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212 | * @} |
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213 | */ |
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214 | |||
215 | /** @defgroup USART_Stop_Bits USART Number of Stop Bits |
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216 | * @{ |
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217 | */ |
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218 | #if defined(USART_SMARTCARD_SUPPORT) |
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219 | #define USART_STOPBITS_0_5 USART_CR2_STOP_0 /*!< USART frame with 0.5 stop bit */ |
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220 | #define USART_STOPBITS_1 0x00000000U /*!< USART frame with 1 stop bit */ |
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221 | #define USART_STOPBITS_1_5 (USART_CR2_STOP_0 | USART_CR2_STOP_1) /*!< USART frame with 1.5 stop bits */ |
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222 | #define USART_STOPBITS_2 USART_CR2_STOP_1 /*!< USART frame with 2 stop bits */ |
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223 | #else |
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224 | #define USART_STOPBITS_1 (0x00000000U) /*!< USART frame with 1 stop bit */ |
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225 | #define USART_STOPBITS_2 ((uint32_t)USART_CR2_STOP_1) /*!< USART frame with 2 stop bits */ |
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226 | #endif /* USART_SMARTCARD_SUPPORT */ |
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227 | /** |
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228 | * @} |
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229 | */ |
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230 | |||
231 | /** @defgroup USART_Parity USART Parity |
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232 | * @{ |
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233 | */ |
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234 | #define USART_PARITY_NONE 0x00000000U /*!< No parity */ |
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235 | #define USART_PARITY_EVEN USART_CR1_PCE /*!< Even parity */ |
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236 | #define USART_PARITY_ODD (USART_CR1_PCE | USART_CR1_PS) /*!< Odd parity */ |
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237 | /** |
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238 | * @} |
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239 | */ |
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240 | |||
241 | /** @defgroup USART_Mode USART Mode |
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242 | * @{ |
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243 | */ |
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244 | #define USART_MODE_RX USART_CR1_RE /*!< RX mode */ |
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245 | #define USART_MODE_TX USART_CR1_TE /*!< TX mode */ |
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246 | #define USART_MODE_TX_RX (USART_CR1_TE |USART_CR1_RE) /*!< RX and TX mode */ |
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247 | /** |
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248 | * @} |
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249 | */ |
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250 | |||
251 | /** @defgroup USART_Over_Sampling USART Over Sampling |
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252 | * @{ |
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253 | */ |
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254 | #define USART_OVERSAMPLING_16 0x00000000U /*!< Oversampling by 16 */ |
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255 | #define USART_OVERSAMPLING_8 USART_CR1_OVER8 /*!< Oversampling by 8 */ |
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256 | /** |
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257 | * @} |
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258 | */ |
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259 | |||
260 | /** @defgroup USART_Clock USART Clock |
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261 | * @{ |
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262 | */ |
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263 | #define USART_CLOCK_DISABLE 0x00000000U /*!< USART clock disable */ |
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264 | #define USART_CLOCK_ENABLE USART_CR2_CLKEN /*!< USART clock enable */ |
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265 | /** |
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266 | * @} |
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267 | */ |
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268 | |||
269 | /** @defgroup USART_Clock_Polarity USART Clock Polarity |
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270 | * @{ |
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271 | */ |
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272 | #define USART_POLARITY_LOW 0x00000000U /*!< Driver enable signal is active high */ |
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273 | #define USART_POLARITY_HIGH USART_CR2_CPOL /*!< Driver enable signal is active low */ |
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274 | /** |
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275 | * @} |
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276 | */ |
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277 | |||
278 | /** @defgroup USART_Clock_Phase USART Clock Phase |
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279 | * @{ |
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280 | */ |
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281 | #define USART_PHASE_1EDGE 0x00000000U /*!< USART frame phase on first clock transition */ |
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282 | #define USART_PHASE_2EDGE USART_CR2_CPHA /*!< USART frame phase on second clock transition */ |
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283 | /** |
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284 | * @} |
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285 | */ |
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286 | |||
287 | /** @defgroup USART_Last_Bit USART Last Bit |
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288 | * @{ |
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289 | */ |
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290 | #define USART_LASTBIT_DISABLE 0x00000000U /*!< USART frame last data bit clock pulse not output to SCLK pin */ |
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291 | #define USART_LASTBIT_ENABLE USART_CR2_LBCL /*!< USART frame last data bit clock pulse output to SCLK pin */ |
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292 | /** |
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293 | * @} |
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294 | */ |
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295 | |||
296 | |||
297 | /** @defgroup USART_Request_Parameters USART Request Parameters |
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298 | * @{ |
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299 | */ |
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300 | #define USART_RXDATA_FLUSH_REQUEST USART_RQR_RXFRQ /*!< Receive Data flush Request */ |
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301 | #if defined(USART_RQR_TXFRQ) |
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302 | #define USART_TXDATA_FLUSH_REQUEST USART_RQR_TXFRQ /*!< Transmit data flush Request */ |
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303 | #endif /* USART_RQR_TXFRQ */ |
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304 | /** |
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305 | * @} |
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306 | */ |
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307 | |||
308 | /** @defgroup USART_Flags USART Flags |
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309 | * Elements values convention: 0xXXXX |
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310 | * - 0xXXXX : Flag mask in the ISR register |
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311 | * @{ |
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312 | */ |
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313 | #define USART_FLAG_REACK USART_ISR_REACK /*!< USART receive enable acknowledge flag */ |
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314 | #define USART_FLAG_TEACK USART_ISR_TEACK /*!< USART transmit enable acknowledge flag */ |
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315 | #define USART_FLAG_BUSY USART_ISR_BUSY /*!< USART busy flag */ |
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316 | #define USART_FLAG_TXE USART_ISR_TXE /*!< USART transmit data register empty */ |
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317 | #define USART_FLAG_TC USART_ISR_TC /*!< USART transmission complete */ |
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318 | #define USART_FLAG_RXNE USART_ISR_RXNE /*!< USART read data register not empty */ |
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319 | #define USART_FLAG_IDLE USART_ISR_IDLE /*!< USART idle flag */ |
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320 | #define USART_FLAG_ORE USART_ISR_ORE /*!< USART overrun error */ |
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321 | #define USART_FLAG_NE USART_ISR_NE /*!< USART noise error */ |
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322 | #define USART_FLAG_FE USART_ISR_FE /*!< USART frame error */ |
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323 | #define USART_FLAG_PE USART_ISR_PE /*!< USART parity error */ |
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324 | /** |
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325 | * @} |
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326 | */ |
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327 | |||
328 | /** @defgroup USART_Interrupt_definition USART Interrupts Definition |
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329 | * Elements values convention: 0000ZZZZ0XXYYYYYb |
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330 | * - YYYYY : Interrupt source position in the XX register (5bits) |
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331 | * - XX : Interrupt source register (2bits) |
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332 | * - 01: CR1 register |
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333 | * - 10: CR2 register |
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334 | * - 11: CR3 register |
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335 | * - ZZZZ : Flag position in the ISR register(4bits) |
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336 | * @{ |
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337 | */ |
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338 | |||
339 | #define USART_IT_PE 0x0028U /*!< USART parity error interruption */ |
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340 | #define USART_IT_TXE 0x0727U /*!< USART transmit data register empty interruption */ |
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341 | #define USART_IT_TC 0x0626U /*!< USART transmission complete interruption */ |
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342 | #define USART_IT_RXNE 0x0525U /*!< USART read data register not empty interruption */ |
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343 | #define USART_IT_IDLE 0x0424U /*!< USART idle interruption */ |
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344 | #define USART_IT_ERR 0x0060U /*!< USART error interruption */ |
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345 | #define USART_IT_ORE 0x0300U /*!< USART overrun error interruption */ |
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346 | #define USART_IT_NE 0x0200U /*!< USART noise error interruption */ |
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347 | #define USART_IT_FE 0x0100U /*!< USART frame error interruption */ |
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348 | |||
349 | /** |
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350 | * @} |
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351 | */ |
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352 | |||
353 | /** @defgroup USART_IT_CLEAR_Flags USART Interruption Clear Flags |
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354 | * @{ |
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355 | */ |
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356 | #define USART_CLEAR_PEF USART_ICR_PECF /*!< Parity Error Clear Flag */ |
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357 | #define USART_CLEAR_FEF USART_ICR_FECF /*!< Framing Error Clear Flag */ |
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358 | #define USART_CLEAR_NEF USART_ICR_NCF /*!< Noise Error detected Clear Flag */ |
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359 | #define USART_CLEAR_OREF USART_ICR_ORECF /*!< OverRun Error Clear Flag */ |
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360 | #define USART_CLEAR_IDLEF USART_ICR_IDLECF /*!< IDLE line detected Clear Flag */ |
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361 | #define USART_CLEAR_TCF USART_ICR_TCCF /*!< Transmission Complete Clear Flag */ |
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362 | #define USART_CLEAR_CTSF USART_ICR_CTSCF /*!< CTS Interrupt Clear Flag */ |
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363 | /** |
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364 | * @} |
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365 | */ |
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366 | |||
367 | /** @defgroup USART_Interruption_Mask USART Interruption Flags Mask |
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368 | * @{ |
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369 | */ |
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370 | #define USART_IT_MASK 0x001FU /*!< USART interruptions flags mask */ |
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371 | #define USART_CR_MASK 0x00E0U /*!< USART control register mask */ |
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372 | #define USART_CR_POS 5U /*!< USART control register position */ |
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373 | #define USART_ISR_MASK 0x1F00U /*!< USART ISR register mask */ |
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374 | #define USART_ISR_POS 8U /*!< USART ISR register position */ |
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375 | /** |
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376 | * @} |
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377 | */ |
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378 | |||
379 | /** |
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380 | * @} |
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381 | */ |
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382 | |||
383 | /* Exported macros -----------------------------------------------------------*/ |
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384 | /** @defgroup USART_Exported_Macros USART Exported Macros |
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385 | * @{ |
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386 | */ |
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387 | |||
388 | /** @brief Reset USART handle state. |
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389 | * @param __HANDLE__ USART handle. |
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390 | * @retval None |
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391 | */ |
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392 | #if (USE_HAL_USART_REGISTER_CALLBACKS == 1) |
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393 | #define __HAL_USART_RESET_HANDLE_STATE(__HANDLE__) do{ \ |
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394 | (__HANDLE__)->State = HAL_USART_STATE_RESET; \ |
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395 | (__HANDLE__)->MspInitCallback = NULL; \ |
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396 | (__HANDLE__)->MspDeInitCallback = NULL; \ |
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397 | } while(0U) |
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398 | #else |
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399 | #define __HAL_USART_RESET_HANDLE_STATE(__HANDLE__) ((__HANDLE__)->State = HAL_USART_STATE_RESET) |
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400 | #endif /* USE_HAL_USART_REGISTER_CALLBACKS */ |
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401 | |||
402 | /** @brief Check whether the specified USART flag is set or not. |
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403 | * @param __HANDLE__ specifies the USART Handle |
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404 | * @param __FLAG__ specifies the flag to check. |
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405 | * This parameter can be one of the following values: |
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406 | * @arg @ref USART_FLAG_REACK Receive enable acknowledge flag |
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407 | * @arg @ref USART_FLAG_TEACK Transmit enable acknowledge flag |
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408 | * @arg @ref USART_FLAG_BUSY Busy flag |
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409 | * @arg @ref USART_FLAG_CTS CTS Change flag |
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410 | * @arg @ref USART_FLAG_TXE Transmit data register empty flag |
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411 | * @arg @ref USART_FLAG_TC Transmission Complete flag |
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412 | * @arg @ref USART_FLAG_RXNE Receive data register not empty flag |
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413 | * @arg @ref USART_FLAG_IDLE Idle Line detection flag |
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414 | * @arg @ref USART_FLAG_ORE OverRun Error flag |
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415 | * @arg @ref USART_FLAG_NE Noise Error flag |
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416 | * @arg @ref USART_FLAG_FE Framing Error flag |
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417 | * @arg @ref USART_FLAG_PE Parity Error flag |
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418 | * @retval The new state of __FLAG__ (TRUE or FALSE). |
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419 | */ |
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420 | #define __HAL_USART_GET_FLAG(__HANDLE__, __FLAG__) (((__HANDLE__)->Instance->ISR & (__FLAG__)) == (__FLAG__)) |
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421 | |||
422 | /** @brief Clear the specified USART pending flag. |
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423 | * @param __HANDLE__ specifies the USART Handle. |
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424 | * @param __FLAG__ specifies the flag to check. |
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425 | * This parameter can be any combination of the following values: |
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426 | * @arg @ref USART_CLEAR_PEF Parity Error Clear Flag |
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427 | * @arg @ref USART_CLEAR_FEF Framing Error Clear Flag |
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428 | * @arg @ref USART_CLEAR_NEF Noise detected Clear Flag |
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429 | * @arg @ref USART_CLEAR_OREF Overrun Error Clear Flag |
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430 | * @arg @ref USART_CLEAR_IDLEF IDLE line detected Clear Flag |
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431 | * @arg @ref USART_CLEAR_TCF Transmission Complete Clear Flag |
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432 | * @arg @ref USART_CLEAR_CTSF |
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433 | * @retval None |
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434 | */ |
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435 | #define __HAL_USART_CLEAR_FLAG(__HANDLE__, __FLAG__) ((__HANDLE__)->Instance->ICR = (__FLAG__)) |
||
436 | |||
437 | /** @brief Clear the USART PE pending flag. |
||
438 | * @param __HANDLE__ specifies the USART Handle. |
||
439 | * @retval None |
||
440 | */ |
||
441 | #define __HAL_USART_CLEAR_PEFLAG(__HANDLE__) __HAL_USART_CLEAR_FLAG((__HANDLE__), USART_CLEAR_PEF) |
||
442 | |||
443 | /** @brief Clear the USART FE pending flag. |
||
444 | * @param __HANDLE__ specifies the USART Handle. |
||
445 | * @retval None |
||
446 | */ |
||
447 | #define __HAL_USART_CLEAR_FEFLAG(__HANDLE__) __HAL_USART_CLEAR_FLAG((__HANDLE__), USART_CLEAR_FEF) |
||
448 | |||
449 | /** @brief Clear the USART NE pending flag. |
||
450 | * @param __HANDLE__ specifies the USART Handle. |
||
451 | * @retval None |
||
452 | */ |
||
453 | #define __HAL_USART_CLEAR_NEFLAG(__HANDLE__) __HAL_USART_CLEAR_FLAG((__HANDLE__), USART_CLEAR_NEF) |
||
454 | |||
455 | /** @brief Clear the USART ORE pending flag. |
||
456 | * @param __HANDLE__ specifies the USART Handle. |
||
457 | * @retval None |
||
458 | */ |
||
459 | #define __HAL_USART_CLEAR_OREFLAG(__HANDLE__) __HAL_USART_CLEAR_FLAG((__HANDLE__), USART_CLEAR_OREF) |
||
460 | |||
461 | /** @brief Clear the USART IDLE pending flag. |
||
462 | * @param __HANDLE__ specifies the USART Handle. |
||
463 | * @retval None |
||
464 | */ |
||
465 | #define __HAL_USART_CLEAR_IDLEFLAG(__HANDLE__) __HAL_USART_CLEAR_FLAG((__HANDLE__), USART_CLEAR_IDLEF) |
||
466 | |||
467 | |||
468 | |||
469 | /** @brief Enable the specified USART interrupt. |
||
470 | * @param __HANDLE__ specifies the USART Handle. |
||
471 | * @param __INTERRUPT__ specifies the USART interrupt source to enable. |
||
472 | * This parameter can be one of the following values: |
||
473 | * @arg @ref USART_IT_TXE Transmit Data Register empty interrupt |
||
474 | * @arg @ref USART_IT_TC Transmission complete interrupt |
||
475 | * @arg @ref USART_IT_RXNE Receive Data register not empty interrupt |
||
476 | * @arg @ref USART_IT_IDLE Idle line detection interrupt |
||
477 | * @arg @ref USART_IT_PE Parity Error interrupt |
||
478 | * @arg @ref USART_IT_ERR Error interrupt(Frame error, noise error, overrun error) |
||
479 | * @retval None |
||
480 | */ |
||
481 | #define __HAL_USART_ENABLE_IT(__HANDLE__, __INTERRUPT__) (((((__INTERRUPT__) & USART_CR_MASK) >> USART_CR_POS) == 1U)? ((__HANDLE__)->Instance->CR1 |= ((uint32_t)1U << ((__INTERRUPT__) & USART_IT_MASK))): \ |
||
482 | ((((__INTERRUPT__) & USART_CR_MASK) >> USART_CR_POS) == 2U)? ((__HANDLE__)->Instance->CR2 |= ((uint32_t)1U << ((__INTERRUPT__) & USART_IT_MASK))): \ |
||
483 | ((__HANDLE__)->Instance->CR3 |= ((uint32_t)1U << ((__INTERRUPT__) & USART_IT_MASK)))) |
||
484 | |||
485 | /** @brief Disable the specified USART interrupt. |
||
486 | * @param __HANDLE__ specifies the USART Handle. |
||
487 | * @param __INTERRUPT__ specifies the USART interrupt source to disable. |
||
488 | * This parameter can be one of the following values: |
||
489 | * @arg @ref USART_IT_TXE Transmit Data Register empty interrupt |
||
490 | * @arg @ref USART_IT_TC Transmission complete interrupt |
||
491 | * @arg @ref USART_IT_RXNE Receive Data register not empty interrupt |
||
492 | * @arg @ref USART_IT_IDLE Idle line detection interrupt |
||
493 | * @arg @ref USART_IT_PE Parity Error interrupt |
||
494 | * @arg @ref USART_IT_ERR Error interrupt(Frame error, noise error, overrun error) |
||
495 | * @retval None |
||
496 | */ |
||
497 | #define __HAL_USART_DISABLE_IT(__HANDLE__, __INTERRUPT__) (((((__INTERRUPT__) & USART_CR_MASK) >> USART_CR_POS) == 1U)? ((__HANDLE__)->Instance->CR1 &= ~ ((uint32_t)1U << ((__INTERRUPT__) & USART_IT_MASK))): \ |
||
498 | ((((__INTERRUPT__) & USART_CR_MASK) >> USART_CR_POS) == 2U)? ((__HANDLE__)->Instance->CR2 &= ~ ((uint32_t)1U << ((__INTERRUPT__) & USART_IT_MASK))): \ |
||
499 | ((__HANDLE__)->Instance->CR3 &= ~ ((uint32_t)1U << ((__INTERRUPT__) & USART_IT_MASK)))) |
||
500 | |||
501 | |||
502 | /** @brief Check whether the specified USART interrupt has occurred or not. |
||
503 | * @param __HANDLE__ specifies the USART Handle. |
||
504 | * @param __INTERRUPT__ specifies the USART interrupt source to check. |
||
505 | * This parameter can be one of the following values: |
||
506 | * @arg @ref USART_IT_TXE Transmit Data Register empty interrupt |
||
507 | * @arg @ref USART_IT_TC Transmission complete interrupt |
||
508 | * @arg @ref USART_IT_RXNE Receive Data register not empty interrupt |
||
509 | * @arg @ref USART_IT_IDLE Idle line detection interrupt |
||
510 | * @arg @ref USART_IT_ORE OverRun Error interrupt |
||
511 | * @arg @ref USART_IT_NE Noise Error interrupt |
||
512 | * @arg @ref USART_IT_FE Framing Error interrupt |
||
513 | * @arg @ref USART_IT_PE Parity Error interrupt |
||
514 | * @retval The new state of __INTERRUPT__ (SET or RESET). |
||
515 | */ |
||
516 | #define __HAL_USART_GET_IT(__HANDLE__, __INTERRUPT__) ((((__HANDLE__)->Instance->ISR\ |
||
517 | & ((uint32_t)0x01U << (((__INTERRUPT__) & USART_ISR_MASK)>> USART_ISR_POS))) != 0U) ? SET : RESET) |
||
518 | |||
519 | /** @brief Check whether the specified USART interrupt source is enabled or not. |
||
520 | * @param __HANDLE__ specifies the USART Handle. |
||
521 | * @param __INTERRUPT__ specifies the USART interrupt source to check. |
||
522 | * This parameter can be one of the following values: |
||
523 | * @arg @ref USART_IT_TXE Transmit Data Register empty interrupt |
||
524 | * @arg @ref USART_IT_TC Transmission complete interrupt |
||
525 | * @arg @ref USART_IT_RXNE Receive Data register not empty interrupt |
||
526 | * @arg @ref USART_IT_IDLE Idle line detection interrupt |
||
527 | * @arg @ref USART_IT_ORE OverRun Error interrupt |
||
528 | * @arg @ref USART_IT_NE Noise Error interrupt |
||
529 | * @arg @ref USART_IT_FE Framing Error interrupt |
||
530 | * @arg @ref USART_IT_PE Parity Error interrupt |
||
531 | * @retval The new state of __INTERRUPT__ (SET or RESET). |
||
532 | */ |
||
533 | #define __HAL_USART_GET_IT_SOURCE(__HANDLE__, __INTERRUPT__) ((((((((uint8_t)(__INTERRUPT__)) >> 0x05U) == 0x01U) ? (__HANDLE__)->Instance->CR1 : \ |
||
534 | (((((uint8_t)(__INTERRUPT__)) >> 0x05U) == 0x02U) ? (__HANDLE__)->Instance->CR2 : \ |
||
535 | (__HANDLE__)->Instance->CR3)) & (0x01U << (((uint16_t)(__INTERRUPT__)) & USART_IT_MASK))) != 0U) ? SET : RESET) |
||
536 | |||
537 | |||
538 | /** @brief Clear the specified USART ISR flag, in setting the proper ICR register flag. |
||
539 | * @param __HANDLE__ specifies the USART Handle. |
||
540 | * @param __IT_CLEAR__ specifies the interrupt clear register flag that needs to be set |
||
541 | * to clear the corresponding interrupt. |
||
542 | * This parameter can be one of the following values: |
||
543 | * @arg @ref USART_CLEAR_PEF Parity Error Clear Flag |
||
544 | * @arg @ref USART_CLEAR_FEF Framing Error Clear Flag |
||
545 | * @arg @ref USART_CLEAR_NEF Noise detected Clear Flag |
||
546 | * @arg @ref USART_CLEAR_OREF Overrun Error Clear Flag |
||
547 | * @arg @ref USART_CLEAR_IDLEF IDLE line detected Clear Flag |
||
548 | * @arg @ref USART_CLEAR_TCF Transmission Complete Clear Flag |
||
549 | * @retval None |
||
550 | */ |
||
551 | #define __HAL_USART_CLEAR_IT(__HANDLE__, __IT_CLEAR__) ((__HANDLE__)->Instance->ICR = (uint32_t)(__IT_CLEAR__)) |
||
552 | |||
553 | /** @brief Set a specific USART request flag. |
||
554 | * @param __HANDLE__ specifies the USART Handle. |
||
555 | * @param __REQ__ specifies the request flag to set. |
||
556 | * This parameter can be one of the following values: |
||
557 | * @arg @ref USART_RXDATA_FLUSH_REQUEST Receive Data flush Request |
||
558 | #if defined(USART_RQR_TXFRQ) |
||
559 | * @arg @ref USART_TXDATA_FLUSH_REQUEST Transmit data flush Request |
||
560 | #endif |
||
561 | * |
||
562 | * @retval None |
||
563 | */ |
||
564 | #define __HAL_USART_SEND_REQ(__HANDLE__, __REQ__) ((__HANDLE__)->Instance->RQR |= (uint16_t)(__REQ__)) |
||
565 | |||
566 | /** @brief Enable the USART one bit sample method. |
||
567 | * @param __HANDLE__ specifies the USART Handle. |
||
568 | * @retval None |
||
569 | */ |
||
570 | #define __HAL_USART_ONE_BIT_SAMPLE_ENABLE(__HANDLE__) ((__HANDLE__)->Instance->CR3|= USART_CR3_ONEBIT) |
||
571 | |||
572 | /** @brief Disable the USART one bit sample method. |
||
573 | * @param __HANDLE__ specifies the USART Handle. |
||
574 | * @retval None |
||
575 | */ |
||
576 | #define __HAL_USART_ONE_BIT_SAMPLE_DISABLE(__HANDLE__) ((__HANDLE__)->Instance->CR3 &= ~USART_CR3_ONEBIT) |
||
577 | |||
578 | /** @brief Enable USART. |
||
579 | * @param __HANDLE__ specifies the USART Handle. |
||
580 | * @retval None |
||
581 | */ |
||
582 | #define __HAL_USART_ENABLE(__HANDLE__) ((__HANDLE__)->Instance->CR1 |= USART_CR1_UE) |
||
583 | |||
584 | /** @brief Disable USART. |
||
585 | * @param __HANDLE__ specifies the USART Handle. |
||
586 | * @retval None |
||
587 | */ |
||
588 | #define __HAL_USART_DISABLE(__HANDLE__) ((__HANDLE__)->Instance->CR1 &= ~USART_CR1_UE) |
||
589 | |||
590 | /** |
||
591 | * @} |
||
592 | */ |
||
593 | |||
594 | /* Private macros --------------------------------------------------------*/ |
||
595 | /** @defgroup USART_Private_Macros USART Private Macros |
||
596 | * @{ |
||
597 | */ |
||
598 | |||
599 | /** @brief BRR division operation to set BRR register in 8-bit oversampling mode. |
||
600 | * @param __PCLK__ USART clock. |
||
601 | * @param __BAUD__ Baud rate set by the user. |
||
602 | * @retval Division result |
||
603 | */ |
||
604 | #define USART_DIV_SAMPLING8(__PCLK__, __BAUD__) ((((__PCLK__)*2U) + ((__BAUD__)/2U)) / (__BAUD__)) |
||
605 | |||
606 | /** @brief Check USART Baud rate. |
||
607 | * @param __BAUDRATE__ Baudrate specified by the user. |
||
608 | * The maximum Baud Rate is derived from the maximum clock on F0 (i.e. 48 MHz) |
||
609 | * divided by the smallest oversampling used on the USART (i.e. 8) |
||
610 | * @retval SET (__BAUDRATE__ is valid) or RESET (__BAUDRATE__ is invalid) */ |
||
611 | #define IS_USART_BAUDRATE(__BAUDRATE__) ((__BAUDRATE__) <= 6000000U) |
||
612 | |||
613 | /** |
||
614 | * @brief Ensure that USART frame number of stop bits is valid. |
||
615 | * @param __STOPBITS__ USART frame number of stop bits. |
||
616 | * @retval SET (__STOPBITS__ is valid) or RESET (__STOPBITS__ is invalid) |
||
617 | */ |
||
618 | #if defined(USART_SMARTCARD_SUPPORT) |
||
619 | #define IS_USART_STOPBITS(__STOPBITS__) (((__STOPBITS__) == USART_STOPBITS_0_5) || \ |
||
620 | ((__STOPBITS__) == USART_STOPBITS_1) || \ |
||
621 | ((__STOPBITS__) == USART_STOPBITS_1_5) || \ |
||
622 | ((__STOPBITS__) == USART_STOPBITS_2)) |
||
623 | #else |
||
624 | #define IS_USART_STOPBITS(__STOPBITS__) (((__STOPBITS__) == USART_STOPBITS_1) || \ |
||
625 | ((__STOPBITS__) == USART_STOPBITS_2)) |
||
626 | #endif /* USART_SMARTCARD_SUPPORT */ |
||
627 | |||
628 | /** |
||
629 | * @brief Ensure that USART frame parity is valid. |
||
630 | * @param __PARITY__ USART frame parity. |
||
631 | * @retval SET (__PARITY__ is valid) or RESET (__PARITY__ is invalid) |
||
632 | */ |
||
633 | #define IS_USART_PARITY(__PARITY__) (((__PARITY__) == USART_PARITY_NONE) || \ |
||
634 | ((__PARITY__) == USART_PARITY_EVEN) || \ |
||
635 | ((__PARITY__) == USART_PARITY_ODD)) |
||
636 | |||
637 | /** |
||
638 | * @brief Ensure that USART communication mode is valid. |
||
639 | * @param __MODE__ USART communication mode. |
||
640 | * @retval SET (__MODE__ is valid) or RESET (__MODE__ is invalid) |
||
641 | */ |
||
642 | #define IS_USART_MODE(__MODE__) ((((__MODE__) & 0xFFFFFFF3U) == 0x00U) && ((__MODE__) != 0x00U)) |
||
643 | |||
644 | /** |
||
645 | * @brief Ensure that USART oversampling is valid. |
||
646 | * @param __SAMPLING__ USART oversampling. |
||
647 | * @retval SET (__SAMPLING__ is valid) or RESET (__SAMPLING__ is invalid) |
||
648 | */ |
||
649 | #define IS_USART_OVERSAMPLING(__SAMPLING__) (((__SAMPLING__) == USART_OVERSAMPLING_16) || \ |
||
650 | ((__SAMPLING__) == USART_OVERSAMPLING_8)) |
||
651 | |||
652 | /** |
||
653 | * @brief Ensure that USART clock state is valid. |
||
654 | * @param __CLOCK__ USART clock state. |
||
655 | * @retval SET (__CLOCK__ is valid) or RESET (__CLOCK__ is invalid) |
||
656 | */ |
||
657 | #define IS_USART_CLOCK(__CLOCK__) (((__CLOCK__) == USART_CLOCK_DISABLE) || \ |
||
658 | ((__CLOCK__) == USART_CLOCK_ENABLE)) |
||
659 | |||
660 | /** |
||
661 | * @brief Ensure that USART frame polarity is valid. |
||
662 | * @param __CPOL__ USART frame polarity. |
||
663 | * @retval SET (__CPOL__ is valid) or RESET (__CPOL__ is invalid) |
||
664 | */ |
||
665 | #define IS_USART_POLARITY(__CPOL__) (((__CPOL__) == USART_POLARITY_LOW) || ((__CPOL__) == USART_POLARITY_HIGH)) |
||
666 | |||
667 | /** |
||
668 | * @brief Ensure that USART frame phase is valid. |
||
669 | * @param __CPHA__ USART frame phase. |
||
670 | * @retval SET (__CPHA__ is valid) or RESET (__CPHA__ is invalid) |
||
671 | */ |
||
672 | #define IS_USART_PHASE(__CPHA__) (((__CPHA__) == USART_PHASE_1EDGE) || ((__CPHA__) == USART_PHASE_2EDGE)) |
||
673 | |||
674 | /** |
||
675 | * @brief Ensure that USART frame last bit clock pulse setting is valid. |
||
676 | * @param __LASTBIT__ USART frame last bit clock pulse setting. |
||
677 | * @retval SET (__LASTBIT__ is valid) or RESET (__LASTBIT__ is invalid) |
||
678 | */ |
||
679 | #define IS_USART_LASTBIT(__LASTBIT__) (((__LASTBIT__) == USART_LASTBIT_DISABLE) || \ |
||
680 | ((__LASTBIT__) == USART_LASTBIT_ENABLE)) |
||
681 | |||
682 | /** |
||
683 | * @brief Ensure that USART request parameter is valid. |
||
684 | * @param __PARAM__ USART request parameter. |
||
685 | * @retval SET (__PARAM__ is valid) or RESET (__PARAM__ is invalid) |
||
686 | */ |
||
687 | #if defined(USART_RQR_TXFRQ) |
||
688 | #define IS_USART_REQUEST_PARAMETER(__PARAM__) (((__PARAM__) == USART_RXDATA_FLUSH_REQUEST) || \ |
||
689 | ((__PARAM__) == USART_TXDATA_FLUSH_REQUEST)) |
||
690 | #else |
||
691 | #define IS_USART_REQUEST_PARAMETER(__PARAM__) ((__PARAM__) == USART_RXDATA_FLUSH_REQUEST) |
||
692 | #endif /* USART_RQR_TXFRQ */ |
||
693 | |||
694 | /** |
||
695 | * @} |
||
696 | */ |
||
697 | |||
698 | /* Include USART HAL Extended module */ |
||
699 | #include "stm32f0xx_hal_usart_ex.h" |
||
700 | |||
701 | /* Exported functions --------------------------------------------------------*/ |
||
702 | /** @addtogroup USART_Exported_Functions USART Exported Functions |
||
703 | * @{ |
||
704 | */ |
||
705 | |||
706 | /** @addtogroup USART_Exported_Functions_Group1 Initialization and de-initialization functions |
||
707 | * @{ |
||
708 | */ |
||
709 | |||
710 | /* Initialization and de-initialization functions ****************************/ |
||
711 | HAL_StatusTypeDef HAL_USART_Init(USART_HandleTypeDef *husart); |
||
712 | HAL_StatusTypeDef HAL_USART_DeInit(USART_HandleTypeDef *husart); |
||
713 | void HAL_USART_MspInit(USART_HandleTypeDef *husart); |
||
714 | void HAL_USART_MspDeInit(USART_HandleTypeDef *husart); |
||
715 | |||
716 | /* Callbacks Register/UnRegister functions ***********************************/ |
||
717 | #if (USE_HAL_USART_REGISTER_CALLBACKS == 1) |
||
718 | HAL_StatusTypeDef HAL_USART_RegisterCallback(USART_HandleTypeDef *husart, HAL_USART_CallbackIDTypeDef CallbackID, |
||
719 | pUSART_CallbackTypeDef pCallback); |
||
720 | HAL_StatusTypeDef HAL_USART_UnRegisterCallback(USART_HandleTypeDef *husart, HAL_USART_CallbackIDTypeDef CallbackID); |
||
721 | #endif /* USE_HAL_USART_REGISTER_CALLBACKS */ |
||
722 | |||
723 | /** |
||
724 | * @} |
||
725 | */ |
||
726 | |||
727 | /** @addtogroup USART_Exported_Functions_Group2 IO operation functions |
||
728 | * @{ |
||
729 | */ |
||
730 | |||
731 | /* IO operation functions *****************************************************/ |
||
732 | HAL_StatusTypeDef HAL_USART_Transmit(USART_HandleTypeDef *husart, uint8_t *pTxData, uint16_t Size, uint32_t Timeout); |
||
733 | HAL_StatusTypeDef HAL_USART_Receive(USART_HandleTypeDef *husart, uint8_t *pRxData, uint16_t Size, uint32_t Timeout); |
||
734 | HAL_StatusTypeDef HAL_USART_TransmitReceive(USART_HandleTypeDef *husart, uint8_t *pTxData, uint8_t *pRxData, |
||
735 | uint16_t Size, uint32_t Timeout); |
||
736 | HAL_StatusTypeDef HAL_USART_Transmit_IT(USART_HandleTypeDef *husart, uint8_t *pTxData, uint16_t Size); |
||
737 | HAL_StatusTypeDef HAL_USART_Receive_IT(USART_HandleTypeDef *husart, uint8_t *pRxData, uint16_t Size); |
||
738 | HAL_StatusTypeDef HAL_USART_TransmitReceive_IT(USART_HandleTypeDef *husart, uint8_t *pTxData, uint8_t *pRxData, |
||
739 | uint16_t Size); |
||
740 | HAL_StatusTypeDef HAL_USART_Transmit_DMA(USART_HandleTypeDef *husart, uint8_t *pTxData, uint16_t Size); |
||
741 | HAL_StatusTypeDef HAL_USART_Receive_DMA(USART_HandleTypeDef *husart, uint8_t *pRxData, uint16_t Size); |
||
742 | HAL_StatusTypeDef HAL_USART_TransmitReceive_DMA(USART_HandleTypeDef *husart, uint8_t *pTxData, uint8_t *pRxData, |
||
743 | uint16_t Size); |
||
744 | HAL_StatusTypeDef HAL_USART_DMAPause(USART_HandleTypeDef *husart); |
||
745 | HAL_StatusTypeDef HAL_USART_DMAResume(USART_HandleTypeDef *husart); |
||
746 | HAL_StatusTypeDef HAL_USART_DMAStop(USART_HandleTypeDef *husart); |
||
747 | /* Transfer Abort functions */ |
||
748 | HAL_StatusTypeDef HAL_USART_Abort(USART_HandleTypeDef *husart); |
||
749 | HAL_StatusTypeDef HAL_USART_Abort_IT(USART_HandleTypeDef *husart); |
||
750 | |||
751 | void HAL_USART_IRQHandler(USART_HandleTypeDef *husart); |
||
752 | void HAL_USART_TxHalfCpltCallback(USART_HandleTypeDef *husart); |
||
753 | void HAL_USART_TxCpltCallback(USART_HandleTypeDef *husart); |
||
754 | void HAL_USART_RxCpltCallback(USART_HandleTypeDef *husart); |
||
755 | void HAL_USART_RxHalfCpltCallback(USART_HandleTypeDef *husart); |
||
756 | void HAL_USART_TxRxCpltCallback(USART_HandleTypeDef *husart); |
||
757 | void HAL_USART_ErrorCallback(USART_HandleTypeDef *husart); |
||
758 | void HAL_USART_AbortCpltCallback(USART_HandleTypeDef *husart); |
||
759 | |||
760 | /** |
||
761 | * @} |
||
762 | */ |
||
763 | |||
764 | /** @addtogroup USART_Exported_Functions_Group4 Peripheral State and Error functions |
||
765 | * @{ |
||
766 | */ |
||
767 | |||
768 | /* Peripheral State and Error functions ***************************************/ |
||
769 | HAL_USART_StateTypeDef HAL_USART_GetState(USART_HandleTypeDef *husart); |
||
770 | uint32_t HAL_USART_GetError(USART_HandleTypeDef *husart); |
||
771 | |||
772 | /** |
||
773 | * @} |
||
774 | */ |
||
775 | |||
776 | /** |
||
777 | * @} |
||
778 | */ |
||
779 | |||
780 | /** |
||
781 | * @} |
||
782 | */ |
||
783 | |||
784 | /** |
||
785 | * @} |
||
786 | */ |
||
787 | |||
788 | #ifdef __cplusplus |
||
789 | } |
||
790 | #endif |
||
791 | |||
792 | #endif /* STM32F0xx_HAL_USART_H */ |
||
793 | |||
794 | /************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/ |