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| Rev | Author | Line No. | Line |
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| 2 | mjames | 1 | /** |
| 2 | ****************************************************************************** |
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| 3 | * @file stm32f0xx_hal_pcd_ex.c |
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| 4 | * @author MCD Application Team |
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| 5 | * @brief PCD Extended HAL module driver. |
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| 6 | * This file provides firmware functions to manage the following |
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| 7 | * functionalities of the USB Peripheral Controller: |
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| 8 | * + Extended features functions |
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| 9 | * |
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| 10 | ****************************************************************************** |
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| 11 | * @attention |
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| 12 | * |
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| 13 | * <h2><center>© Copyright (c) 2016 STMicroelectronics. |
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| 14 | * All rights reserved.</center></h2> |
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| 15 | * |
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| 16 | * This software component is licensed by ST under BSD 3-Clause license, |
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| 17 | * the "License"; You may not use this file except in compliance with the |
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| 18 | * License. You may obtain a copy of the License at: |
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| 19 | * opensource.org/licenses/BSD-3-Clause |
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| 20 | * |
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| 21 | ****************************************************************************** |
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| 22 | */ |
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| 23 | |||
| 24 | /* Includes ------------------------------------------------------------------*/ |
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| 25 | #include "stm32f0xx_hal.h" |
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| 26 | |||
| 27 | /** @addtogroup STM32F0xx_HAL_Driver |
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| 28 | * @{ |
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| 29 | */ |
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| 30 | |||
| 31 | /** @defgroup PCDEx PCDEx |
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| 32 | * @brief PCD Extended HAL module driver |
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| 33 | * @{ |
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| 34 | */ |
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| 35 | |||
| 36 | #ifdef HAL_PCD_MODULE_ENABLED |
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| 37 | |||
| 38 | #if defined (USB) |
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| 39 | /* Private types -------------------------------------------------------------*/ |
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| 40 | /* Private variables ---------------------------------------------------------*/ |
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| 41 | /* Private constants ---------------------------------------------------------*/ |
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| 42 | /* Private macros ------------------------------------------------------------*/ |
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| 43 | /* Private functions ---------------------------------------------------------*/ |
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| 44 | /* Exported functions --------------------------------------------------------*/ |
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| 45 | |||
| 46 | /** @defgroup PCDEx_Exported_Functions PCDEx Exported Functions |
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| 47 | * @{ |
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| 48 | */ |
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| 49 | |||
| 50 | /** @defgroup PCDEx_Exported_Functions_Group1 Peripheral Control functions |
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| 51 | * @brief PCDEx control functions |
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| 52 | * |
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| 53 | @verbatim |
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| 54 | =============================================================================== |
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| 55 | ##### Extended features functions ##### |
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| 56 | =============================================================================== |
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| 57 | [..] This section provides functions allowing to: |
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| 58 | (+) Update FIFO configuration |
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| 59 | |||
| 60 | @endverbatim |
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| 61 | * @{ |
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| 62 | */ |
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| 63 | |||
| 64 | /** |
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| 65 | * @brief Configure PMA for EP |
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| 66 | * @param hpcd Device instance |
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| 67 | * @param ep_addr endpoint address |
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| 68 | * @param ep_kind endpoint Kind |
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| 69 | * USB_SNG_BUF: Single Buffer used |
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| 70 | * USB_DBL_BUF: Double Buffer used |
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| 71 | * @param pmaadress: EP address in The PMA: In case of single buffer endpoint |
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| 72 | * this parameter is 16-bit value providing the address |
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| 73 | * in PMA allocated to endpoint. |
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| 74 | * In case of double buffer endpoint this parameter |
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| 75 | * is a 32-bit value providing the endpoint buffer 0 address |
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| 76 | * in the LSB part of 32-bit value and endpoint buffer 1 address |
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| 77 | * in the MSB part of 32-bit value. |
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| 78 | * @retval HAL status |
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| 79 | */ |
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| 80 | |||
| 81 | HAL_StatusTypeDef HAL_PCDEx_PMAConfig(PCD_HandleTypeDef *hpcd, uint16_t ep_addr, |
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| 82 | uint16_t ep_kind, uint32_t pmaadress) |
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| 83 | { |
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| 84 | PCD_EPTypeDef *ep; |
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| 85 | |||
| 86 | /* initialize ep structure*/ |
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| 87 | if ((0x80U & ep_addr) == 0x80U) |
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| 88 | { |
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| 89 | ep = &hpcd->IN_ep[ep_addr & EP_ADDR_MSK]; |
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| 90 | } |
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| 91 | else |
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| 92 | { |
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| 93 | ep = &hpcd->OUT_ep[ep_addr]; |
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| 94 | } |
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| 95 | |||
| 96 | /* Here we check if the endpoint is single or double Buffer*/ |
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| 97 | if (ep_kind == PCD_SNG_BUF) |
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| 98 | { |
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| 99 | /* Single Buffer */ |
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| 100 | ep->doublebuffer = 0U; |
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| 101 | /* Configure the PMA */ |
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| 102 | ep->pmaadress = (uint16_t)pmaadress; |
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| 103 | } |
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| 104 | else /* USB_DBL_BUF */ |
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| 105 | { |
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| 106 | /* Double Buffer Endpoint */ |
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| 107 | ep->doublebuffer = 1U; |
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| 108 | /* Configure the PMA */ |
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| 109 | ep->pmaaddr0 = (uint16_t)(pmaadress & 0xFFFFU); |
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| 110 | ep->pmaaddr1 = (uint16_t)((pmaadress & 0xFFFF0000U) >> 16); |
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| 111 | } |
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| 112 | |||
| 113 | return HAL_OK; |
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| 114 | } |
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| 115 | |||
| 116 | /** |
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| 117 | * @brief Activate BatteryCharging feature. |
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| 118 | * @param hpcd PCD handle |
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| 119 | * @retval HAL status |
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| 120 | */ |
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| 121 | HAL_StatusTypeDef HAL_PCDEx_ActivateBCD(PCD_HandleTypeDef *hpcd) |
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| 122 | { |
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| 123 | USB_TypeDef *USBx = hpcd->Instance; |
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| 124 | hpcd->battery_charging_active = 1U; |
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| 125 | |||
| 126 | /* Enable BCD feature */ |
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| 127 | USBx->BCDR |= USB_BCDR_BCDEN; |
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| 128 | |||
| 129 | /* Enable DCD : Data Contact Detect */ |
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| 130 | USBx->BCDR &= ~(USB_BCDR_PDEN); |
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| 131 | USBx->BCDR &= ~(USB_BCDR_SDEN); |
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| 132 | USBx->BCDR |= USB_BCDR_DCDEN; |
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| 133 | |||
| 134 | return HAL_OK; |
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| 135 | } |
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| 136 | |||
| 137 | /** |
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| 138 | * @brief Deactivate BatteryCharging feature. |
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| 139 | * @param hpcd PCD handle |
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| 140 | * @retval HAL status |
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| 141 | */ |
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| 142 | HAL_StatusTypeDef HAL_PCDEx_DeActivateBCD(PCD_HandleTypeDef *hpcd) |
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| 143 | { |
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| 144 | USB_TypeDef *USBx = hpcd->Instance; |
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| 145 | hpcd->battery_charging_active = 0U; |
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| 146 | |||
| 147 | /* Disable BCD feature */ |
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| 148 | USBx->BCDR &= ~(USB_BCDR_BCDEN); |
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| 149 | |||
| 150 | return HAL_OK; |
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| 151 | } |
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| 152 | |||
| 153 | /** |
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| 154 | * @brief Handle BatteryCharging Process. |
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| 155 | * @param hpcd PCD handle |
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| 156 | * @retval HAL status |
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| 157 | */ |
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| 158 | void HAL_PCDEx_BCD_VBUSDetect(PCD_HandleTypeDef *hpcd) |
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| 159 | { |
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| 160 | USB_TypeDef *USBx = hpcd->Instance; |
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| 161 | uint32_t tickstart = HAL_GetTick(); |
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| 162 | |||
| 163 | /* Wait Detect flag or a timeout is happen */ |
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| 164 | while ((USBx->BCDR & USB_BCDR_DCDET) == 0U) |
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| 165 | { |
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| 166 | /* Check for the Timeout */ |
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| 167 | if ((HAL_GetTick() - tickstart) > 1000U) |
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| 168 | { |
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| 169 | #if (USE_HAL_PCD_REGISTER_CALLBACKS == 1U) |
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| 170 | hpcd->BCDCallback(hpcd, PCD_BCD_ERROR); |
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| 171 | #else |
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| 172 | HAL_PCDEx_BCD_Callback(hpcd, PCD_BCD_ERROR); |
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| 173 | #endif /* USE_HAL_PCD_REGISTER_CALLBACKS */ |
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| 174 | |||
| 175 | return; |
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| 176 | } |
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| 177 | } |
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| 178 | |||
| 179 | HAL_Delay(200U); |
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| 180 | |||
| 181 | /* Data Pin Contact ? Check Detect flag */ |
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| 182 | if ((USBx->BCDR & USB_BCDR_DCDET) == USB_BCDR_DCDET) |
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| 183 | { |
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| 184 | #if (USE_HAL_PCD_REGISTER_CALLBACKS == 1U) |
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| 185 | hpcd->BCDCallback(hpcd, PCD_BCD_CONTACT_DETECTION); |
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| 186 | #else |
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| 187 | HAL_PCDEx_BCD_Callback(hpcd, PCD_BCD_CONTACT_DETECTION); |
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| 188 | #endif /* USE_HAL_PCD_REGISTER_CALLBACKS */ |
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| 189 | } |
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| 190 | /* Primary detection: checks if connected to Standard Downstream Port |
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| 191 | (without charging capability) */ |
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| 192 | USBx->BCDR &= ~(USB_BCDR_DCDEN); |
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| 193 | HAL_Delay(50U); |
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| 194 | USBx->BCDR |= (USB_BCDR_PDEN); |
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| 195 | HAL_Delay(50U); |
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| 196 | |||
| 197 | /* If Charger detect ? */ |
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| 198 | if ((USBx->BCDR & USB_BCDR_PDET) == USB_BCDR_PDET) |
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| 199 | { |
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| 200 | /* Start secondary detection to check connection to Charging Downstream |
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| 201 | Port or Dedicated Charging Port */ |
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| 202 | USBx->BCDR &= ~(USB_BCDR_PDEN); |
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| 203 | HAL_Delay(50U); |
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| 204 | USBx->BCDR |= (USB_BCDR_SDEN); |
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| 205 | HAL_Delay(50U); |
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| 206 | |||
| 207 | /* If CDP ? */ |
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| 208 | if ((USBx->BCDR & USB_BCDR_SDET) == USB_BCDR_SDET) |
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| 209 | { |
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| 210 | /* Dedicated Downstream Port DCP */ |
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| 211 | #if (USE_HAL_PCD_REGISTER_CALLBACKS == 1U) |
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| 212 | hpcd->BCDCallback(hpcd, PCD_BCD_DEDICATED_CHARGING_PORT); |
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| 213 | #else |
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| 214 | HAL_PCDEx_BCD_Callback(hpcd, PCD_BCD_DEDICATED_CHARGING_PORT); |
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| 215 | #endif /* USE_HAL_PCD_REGISTER_CALLBACKS */ |
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| 216 | } |
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| 217 | else |
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| 218 | { |
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| 219 | /* Charging Downstream Port CDP */ |
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| 220 | #if (USE_HAL_PCD_REGISTER_CALLBACKS == 1U) |
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| 221 | hpcd->BCDCallback(hpcd, PCD_BCD_CHARGING_DOWNSTREAM_PORT); |
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| 222 | #else |
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| 223 | HAL_PCDEx_BCD_Callback(hpcd, PCD_BCD_CHARGING_DOWNSTREAM_PORT); |
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| 224 | #endif /* USE_HAL_PCD_REGISTER_CALLBACKS */ |
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| 225 | } |
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| 226 | } |
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| 227 | else /* NO */ |
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| 228 | { |
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| 229 | /* Standard Downstream Port */ |
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| 230 | #if (USE_HAL_PCD_REGISTER_CALLBACKS == 1U) |
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| 231 | hpcd->BCDCallback(hpcd, PCD_BCD_STD_DOWNSTREAM_PORT); |
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| 232 | #else |
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| 233 | HAL_PCDEx_BCD_Callback(hpcd, PCD_BCD_STD_DOWNSTREAM_PORT); |
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| 234 | #endif /* USE_HAL_PCD_REGISTER_CALLBACKS */ |
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| 235 | } |
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| 236 | |||
| 237 | /* Battery Charging capability discovery finished Start Enumeration */ |
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| 238 | (void)HAL_PCDEx_DeActivateBCD(hpcd); |
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| 239 | #if (USE_HAL_PCD_REGISTER_CALLBACKS == 1U) |
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| 240 | hpcd->BCDCallback(hpcd, PCD_BCD_DISCOVERY_COMPLETED); |
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| 241 | #else |
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| 242 | HAL_PCDEx_BCD_Callback(hpcd, PCD_BCD_DISCOVERY_COMPLETED); |
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| 243 | #endif /* USE_HAL_PCD_REGISTER_CALLBACKS */ |
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| 244 | } |
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| 245 | |||
| 246 | |||
| 247 | /** |
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| 248 | * @brief Activate LPM feature. |
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| 249 | * @param hpcd PCD handle |
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| 250 | * @retval HAL status |
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| 251 | */ |
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| 252 | HAL_StatusTypeDef HAL_PCDEx_ActivateLPM(PCD_HandleTypeDef *hpcd) |
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| 253 | { |
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| 254 | |||
| 255 | USB_TypeDef *USBx = hpcd->Instance; |
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| 256 | hpcd->lpm_active = 1U; |
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| 257 | hpcd->LPM_State = LPM_L0; |
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| 258 | |||
| 259 | USBx->LPMCSR |= USB_LPMCSR_LMPEN; |
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| 260 | USBx->LPMCSR |= USB_LPMCSR_LPMACK; |
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| 261 | |||
| 262 | return HAL_OK; |
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| 263 | } |
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| 264 | |||
| 265 | /** |
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| 266 | * @brief Deactivate LPM feature. |
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| 267 | * @param hpcd PCD handle |
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| 268 | * @retval HAL status |
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| 269 | */ |
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| 270 | HAL_StatusTypeDef HAL_PCDEx_DeActivateLPM(PCD_HandleTypeDef *hpcd) |
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| 271 | { |
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| 272 | USB_TypeDef *USBx = hpcd->Instance; |
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| 273 | |||
| 274 | hpcd->lpm_active = 0U; |
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| 275 | |||
| 276 | USBx->LPMCSR &= ~(USB_LPMCSR_LMPEN); |
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| 277 | USBx->LPMCSR &= ~(USB_LPMCSR_LPMACK); |
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| 278 | |||
| 279 | return HAL_OK; |
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| 280 | } |
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| 281 | |||
| 282 | |||
| 283 | |||
| 284 | /** |
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| 285 | * @brief Send LPM message to user layer callback. |
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| 286 | * @param hpcd PCD handle |
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| 287 | * @param msg LPM message |
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| 288 | * @retval HAL status |
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| 289 | */ |
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| 290 | __weak void HAL_PCDEx_LPM_Callback(PCD_HandleTypeDef *hpcd, PCD_LPM_MsgTypeDef msg) |
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| 291 | { |
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| 292 | /* Prevent unused argument(s) compilation warning */ |
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| 293 | UNUSED(hpcd); |
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| 294 | UNUSED(msg); |
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| 295 | |||
| 296 | /* NOTE : This function should not be modified, when the callback is needed, |
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| 297 | the HAL_PCDEx_LPM_Callback could be implemented in the user file |
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| 298 | */ |
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| 299 | } |
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| 300 | |||
| 301 | /** |
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| 302 | * @brief Send BatteryCharging message to user layer callback. |
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| 303 | * @param hpcd PCD handle |
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| 304 | * @param msg LPM message |
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| 305 | * @retval HAL status |
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| 306 | */ |
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| 307 | __weak void HAL_PCDEx_BCD_Callback(PCD_HandleTypeDef *hpcd, PCD_BCD_MsgTypeDef msg) |
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| 308 | { |
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| 309 | /* Prevent unused argument(s) compilation warning */ |
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| 310 | UNUSED(hpcd); |
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| 311 | UNUSED(msg); |
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| 312 | |||
| 313 | /* NOTE : This function should not be modified, when the callback is needed, |
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| 314 | the HAL_PCDEx_BCD_Callback could be implemented in the user file |
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| 315 | */ |
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| 316 | } |
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| 317 | |||
| 318 | /** |
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| 319 | * @} |
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| 320 | */ |
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| 321 | |||
| 322 | /** |
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| 323 | * @} |
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| 324 | */ |
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| 325 | #endif /* defined (USB) */ |
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| 326 | #endif /* HAL_PCD_MODULE_ENABLED */ |
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| 327 | |||
| 328 | /** |
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| 329 | * @} |
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| 330 | */ |
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| 331 | |||
| 332 | /** |
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| 333 | * @} |
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| 334 | */ |
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| 335 | |||
| 336 | /************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/ |