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| Rev | Author | Line No. | Line |
|---|---|---|---|
| 2 | mjames | 1 | /** |
| 2 | ****************************************************************************** |
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| 3 | * @file stm32f1xx_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 "stm32f1xx_hal.h" |
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| 26 | |||
| 27 | /** @addtogroup STM32F1xx_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) || defined (USB_OTG_FS) |
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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 | #if defined (USB_OTG_FS) |
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| 64 | /** |
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| 65 | * @brief Set Tx FIFO |
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| 66 | * @param hpcd PCD handle |
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| 67 | * @param fifo The number of Tx fifo |
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| 68 | * @param size Fifo size |
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| 69 | * @retval HAL status |
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| 70 | */ |
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| 71 | HAL_StatusTypeDef HAL_PCDEx_SetTxFiFo(PCD_HandleTypeDef *hpcd, uint8_t fifo, uint16_t size) |
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| 72 | { |
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| 73 | uint8_t i; |
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| 74 | uint32_t Tx_Offset; |
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| 75 | |||
| 76 | /* TXn min size = 16 words. (n : Transmit FIFO index) |
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| 77 | When a TxFIFO is not used, the Configuration should be as follows: |
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| 78 | case 1 : n > m and Txn is not used (n,m : Transmit FIFO indexes) |
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| 79 | --> Txm can use the space allocated for Txn. |
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| 80 | case2 : n < m and Txn is not used (n,m : Transmit FIFO indexes) |
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| 81 | --> Txn should be configured with the minimum space of 16 words |
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| 82 | The FIFO is used optimally when used TxFIFOs are allocated in the top |
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| 83 | of the FIFO.Ex: use EP1 and EP2 as IN instead of EP1 and EP3 as IN ones. |
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| 84 | When DMA is used 3n * FIFO locations should be reserved for internal DMA registers */ |
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| 85 | |||
| 86 | Tx_Offset = hpcd->Instance->GRXFSIZ; |
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| 87 | |||
| 88 | if (fifo == 0U) |
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| 89 | { |
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| 90 | hpcd->Instance->DIEPTXF0_HNPTXFSIZ = ((uint32_t)size << 16) | Tx_Offset; |
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| 91 | } |
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| 92 | else |
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| 93 | { |
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| 94 | Tx_Offset += (hpcd->Instance->DIEPTXF0_HNPTXFSIZ) >> 16; |
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| 95 | for (i = 0U; i < (fifo - 1U); i++) |
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| 96 | { |
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| 97 | Tx_Offset += (hpcd->Instance->DIEPTXF[i] >> 16); |
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| 98 | } |
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| 99 | |||
| 100 | /* Multiply Tx_Size by 2 to get higher performance */ |
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| 101 | hpcd->Instance->DIEPTXF[fifo - 1U] = ((uint32_t)size << 16) | Tx_Offset; |
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| 102 | } |
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| 103 | |||
| 104 | return HAL_OK; |
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| 105 | } |
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| 106 | |||
| 107 | /** |
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| 108 | * @brief Set Rx FIFO |
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| 109 | * @param hpcd PCD handle |
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| 110 | * @param size Size of Rx fifo |
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| 111 | * @retval HAL status |
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| 112 | */ |
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| 113 | HAL_StatusTypeDef HAL_PCDEx_SetRxFiFo(PCD_HandleTypeDef *hpcd, uint16_t size) |
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| 114 | { |
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| 115 | hpcd->Instance->GRXFSIZ = size; |
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| 116 | |||
| 117 | return HAL_OK; |
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| 118 | } |
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| 119 | #endif /* defined (USB_OTG_FS) */ |
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| 120 | #if defined (USB) |
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| 121 | /** |
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| 122 | * @brief Configure PMA for EP |
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| 123 | * @param hpcd Device instance |
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| 124 | * @param ep_addr endpoint address |
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| 125 | * @param ep_kind endpoint Kind |
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| 126 | * USB_SNG_BUF: Single Buffer used |
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| 127 | * USB_DBL_BUF: Double Buffer used |
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| 128 | * @param pmaadress: EP address in The PMA: In case of single buffer endpoint |
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| 129 | * this parameter is 16-bit value providing the address |
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| 130 | * in PMA allocated to endpoint. |
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| 131 | * In case of double buffer endpoint this parameter |
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| 132 | * is a 32-bit value providing the endpoint buffer 0 address |
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| 133 | * in the LSB part of 32-bit value and endpoint buffer 1 address |
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| 134 | * in the MSB part of 32-bit value. |
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| 135 | * @retval HAL status |
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| 136 | */ |
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| 137 | |||
| 138 | HAL_StatusTypeDef HAL_PCDEx_PMAConfig(PCD_HandleTypeDef *hpcd, uint16_t ep_addr, |
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| 139 | uint16_t ep_kind, uint32_t pmaadress) |
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| 140 | { |
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| 141 | PCD_EPTypeDef *ep; |
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| 142 | |||
| 143 | /* initialize ep structure*/ |
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| 144 | if ((0x80U & ep_addr) == 0x80U) |
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| 145 | { |
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| 146 | ep = &hpcd->IN_ep[ep_addr & EP_ADDR_MSK]; |
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| 147 | } |
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| 148 | else |
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| 149 | { |
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| 150 | ep = &hpcd->OUT_ep[ep_addr]; |
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| 151 | } |
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| 152 | |||
| 153 | /* Here we check if the endpoint is single or double Buffer*/ |
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| 154 | if (ep_kind == PCD_SNG_BUF) |
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| 155 | { |
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| 156 | /* Single Buffer */ |
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| 157 | ep->doublebuffer = 0U; |
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| 158 | /* Configure the PMA */ |
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| 159 | ep->pmaadress = (uint16_t)pmaadress; |
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| 160 | } |
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| 161 | else /* USB_DBL_BUF */ |
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| 162 | { |
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| 163 | /* Double Buffer Endpoint */ |
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| 164 | ep->doublebuffer = 1U; |
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| 165 | /* Configure the PMA */ |
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| 166 | ep->pmaaddr0 = (uint16_t)(pmaadress & 0xFFFFU); |
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| 167 | ep->pmaaddr1 = (uint16_t)((pmaadress & 0xFFFF0000U) >> 16); |
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| 168 | } |
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| 169 | |||
| 170 | return HAL_OK; |
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| 171 | } |
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| 172 | |||
| 173 | /** |
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| 174 | * @brief Software Device Connection, |
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| 175 | * this function is not required by USB OTG FS peripheral, it is used |
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| 176 | * only by USB Device FS peripheral. |
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| 177 | * @param hpcd PCD handle |
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| 178 | * @param state connection state (0 : disconnected / 1: connected) |
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| 179 | * @retval None |
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| 180 | */ |
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| 181 | __weak void HAL_PCDEx_SetConnectionState(PCD_HandleTypeDef *hpcd, uint8_t state) |
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| 182 | { |
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| 183 | /* Prevent unused argument(s) compilation warning */ |
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| 184 | UNUSED(hpcd); |
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| 185 | UNUSED(state); |
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| 186 | /* NOTE : This function Should not be modified, when the callback is needed, |
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| 187 | the HAL_PCDEx_SetConnectionState could be implemented in the user file |
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| 188 | */ |
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| 189 | } |
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| 190 | #endif /* defined (USB) */ |
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| 191 | |||
| 192 | /** |
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| 193 | * @brief Send LPM message to user layer callback. |
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| 194 | * @param hpcd PCD handle |
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| 195 | * @param msg LPM message |
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| 196 | * @retval HAL status |
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| 197 | */ |
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| 198 | __weak void HAL_PCDEx_LPM_Callback(PCD_HandleTypeDef *hpcd, PCD_LPM_MsgTypeDef msg) |
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| 199 | { |
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| 200 | /* Prevent unused argument(s) compilation warning */ |
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| 201 | UNUSED(hpcd); |
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| 202 | UNUSED(msg); |
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| 203 | |||
| 204 | /* NOTE : This function should not be modified, when the callback is needed, |
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| 205 | the HAL_PCDEx_LPM_Callback could be implemented in the user file |
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| 206 | */ |
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| 207 | } |
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| 208 | |||
| 209 | /** |
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| 210 | * @brief Send BatteryCharging message to user layer callback. |
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| 211 | * @param hpcd PCD handle |
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| 212 | * @param msg LPM message |
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| 213 | * @retval HAL status |
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| 214 | */ |
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| 215 | __weak void HAL_PCDEx_BCD_Callback(PCD_HandleTypeDef *hpcd, PCD_BCD_MsgTypeDef msg) |
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| 216 | { |
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| 217 | /* Prevent unused argument(s) compilation warning */ |
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| 218 | UNUSED(hpcd); |
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| 219 | UNUSED(msg); |
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| 220 | |||
| 221 | /* NOTE : This function should not be modified, when the callback is needed, |
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| 222 | the HAL_PCDEx_BCD_Callback could be implemented in the user file |
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| 223 | */ |
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| 224 | } |
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| 225 | |||
| 226 | /** |
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| 227 | * @} |
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| 228 | */ |
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| 229 | |||
| 230 | /** |
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| 231 | * @} |
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| 232 | */ |
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| 233 | #endif /* defined (USB) || defined (USB_OTG_FS) */ |
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| 234 | #endif /* HAL_PCD_MODULE_ENABLED */ |
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| 235 | |||
| 236 | /** |
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| 237 | * @} |
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| 238 | */ |
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| 239 | |||
| 240 | /** |
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| 241 | * @} |
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| 242 | */ |
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| 243 | |||
| 244 | /************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/ |