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| 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 Extended PCD 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: Update FIFO configuration, |
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| 9 | * PMA configuration for EPs |
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| 10 | * |
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| 11 | ****************************************************************************** |
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| 12 | * @attention |
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| 13 | * |
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| 14 | * <h2><center>© COPYRIGHT(c) 2016 STMicroelectronics</center></h2> |
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| 15 | * |
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| 16 | * Redistribution and use in source and binary forms, with or without modification, |
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| 17 | * are permitted provided that the following conditions are met: |
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| 18 | * 1. Redistributions of source code must retain the above copyright notice, |
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| 19 | * this list of conditions and the following disclaimer. |
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| 20 | * 2. Redistributions in binary form must reproduce the above copyright notice, |
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| 21 | * this list of conditions and the following disclaimer in the documentation |
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| 22 | * and/or other materials provided with the distribution. |
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| 23 | * 3. Neither the name of STMicroelectronics nor the names of its contributors |
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| 24 | * may be used to endorse or promote products derived from this software |
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| 25 | * without specific prior written permission. |
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| 26 | * |
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| 27 | * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" |
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| 28 | * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
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| 29 | * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE |
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| 30 | * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE |
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| 31 | * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL |
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| 32 | * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR |
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| 33 | * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER |
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| 34 | * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, |
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| 35 | * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE |
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| 36 | * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
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| 37 | * |
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| 38 | ****************************************************************************** |
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| 39 | */ |
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| 40 | |||
| 41 | /* Includes ------------------------------------------------------------------*/ |
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| 42 | #include "stm32f1xx_hal.h" |
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| 43 | |||
| 44 | /** @addtogroup STM32F1xx_HAL_Driver |
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| 45 | * @{ |
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| 46 | */ |
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| 47 | |||
| 48 | #ifdef HAL_PCD_MODULE_ENABLED |
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| 49 | |||
| 50 | #if defined(STM32F102x6) || defined(STM32F102xB) || \ |
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| 51 | defined(STM32F103x6) || defined(STM32F103xB) || \ |
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| 52 | defined(STM32F103xE) || defined(STM32F103xG) || \ |
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| 53 | defined(STM32F105xC) || defined(STM32F107xC) |
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| 54 | |||
| 55 | |||
| 56 | /** @defgroup PCDEx PCDEx |
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| 57 | * @brief PCD Extended HAL module driver |
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| 58 | * @{ |
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| 59 | */ |
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| 60 | |||
| 61 | |||
| 62 | /* Private types -------------------------------------------------------------*/ |
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| 63 | /* Private variables ---------------------------------------------------------*/ |
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| 64 | /* Private constants ---------------------------------------------------------*/ |
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| 65 | /* Private macros ------------------------------------------------------------*/ |
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| 66 | /* Private functions ---------------------------------------------------------*/ |
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| 67 | /* Exported functions --------------------------------------------------------*/ |
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| 68 | /** @defgroup PCDEx_Exported_Functions PCDEx Exported Functions |
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| 69 | * @{ |
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| 70 | */ |
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| 71 | |||
| 72 | /** @defgroup PCDEx_Exported_Functions_Group1 Peripheral Control functions |
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| 73 | * @brief PCDEx control functions |
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| 74 | * |
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| 75 | @verbatim |
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| 76 | =============================================================================== |
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| 77 | ##### Extended Peripheral Control functions ##### |
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| 78 | =============================================================================== |
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| 79 | [..] This section provides functions allowing to: |
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| 80 | (+) Update FIFO (USB_OTG_FS) |
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| 81 | (+) Update PMA configuration (USB) |
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| 82 | |||
| 83 | @endverbatim |
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| 84 | * @{ |
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| 85 | */ |
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| 86 | |||
| 87 | #if defined (USB_OTG_FS) |
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| 88 | /** |
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| 89 | * @brief Set Tx FIFO |
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| 90 | * @param hpcd: PCD handle |
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| 91 | * @param fifo: The number of Tx fifo |
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| 92 | * @param size: Fifo size |
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| 93 | * @retval HAL status |
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| 94 | */ |
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| 95 | HAL_StatusTypeDef HAL_PCDEx_SetTxFiFo(PCD_HandleTypeDef *hpcd, uint8_t fifo, uint16_t size) |
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| 96 | { |
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| 97 | uint8_t index = 0; |
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| 98 | uint32_t Tx_Offset = 0U; |
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| 99 | |||
| 100 | /* TXn min size = 16 words. (n : Transmit FIFO index) |
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| 101 | When a TxFIFO is not used, the Configuration should be as follows: |
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| 102 | case 1 : n > m and Txn is not used (n,m : Transmit FIFO indexes) |
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| 103 | --> Txm can use the space allocated for Txn. |
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| 104 | case2 : n < m and Txn is not used (n,m : Transmit FIFO indexes) |
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| 105 | --> Txn should be configured with the minimum space of 16 words |
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| 106 | The FIFO is used optimally when used TxFIFOs are allocated in the top |
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| 107 | of the FIFO.Ex: use EP1 and EP2 as IN instead of EP1 and EP3 as IN ones. |
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| 108 | When DMA is used 3n * FIFO locations should be reserved for internal DMA registers */ |
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| 109 | |||
| 110 | Tx_Offset = hpcd->Instance->GRXFSIZ; |
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| 111 | |||
| 112 | if(fifo == 0U) |
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| 113 | { |
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| 114 | hpcd->Instance->DIEPTXF0_HNPTXFSIZ = (size << 16U) | Tx_Offset; |
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| 115 | } |
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| 116 | else |
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| 117 | { |
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| 118 | Tx_Offset += (hpcd->Instance->DIEPTXF0_HNPTXFSIZ) >> 16U; |
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| 119 | for(index = 0; index < (fifo - 1); index++) |
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| 120 | { |
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| 121 | Tx_Offset += (hpcd->Instance->DIEPTXF[index] >> 16U); |
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| 122 | } |
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| 123 | |||
| 124 | /* Multiply Tx_Size by 2 to get higher performance */ |
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| 125 | hpcd->Instance->DIEPTXF[fifo - 1U] = (size << 16U) | Tx_Offset; |
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| 126 | |||
| 127 | } |
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| 128 | |||
| 129 | return HAL_OK; |
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| 130 | } |
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| 131 | |||
| 132 | /** |
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| 133 | * @brief Set Rx FIFO |
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| 134 | * @param hpcd: PCD handle |
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| 135 | * @param size: Size of Rx fifo |
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| 136 | * @retval HAL status |
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| 137 | */ |
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| 138 | HAL_StatusTypeDef HAL_PCDEx_SetRxFiFo(PCD_HandleTypeDef *hpcd, uint16_t size) |
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| 139 | { |
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| 140 | hpcd->Instance->GRXFSIZ = size; |
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| 141 | return HAL_OK; |
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| 142 | } |
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| 143 | #endif /* USB_OTG_FS */ |
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| 144 | |||
| 145 | #if defined (USB) |
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| 146 | /** |
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| 147 | * @brief Configure PMA for EP |
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| 148 | * @param hpcd : Device instance |
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| 149 | * @param ep_addr: endpoint address |
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| 150 | * @param ep_kind: endpoint Kind |
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| 151 | * USB_SNG_BUF: Single Buffer used |
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| 152 | * USB_DBL_BUF: Double Buffer used |
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| 153 | * @param pmaadress: EP address in The PMA: In case of single buffer endpoint |
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| 154 | * this parameter is 16-bit value providing the address |
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| 155 | * in PMA allocated to endpoint. |
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| 156 | * In case of double buffer endpoint this parameter |
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| 157 | * is a 32-bit value providing the endpoint buffer 0 address |
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| 158 | * in the LSB part of 32-bit value and endpoint buffer 1 address |
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| 159 | * in the MSB part of 32-bit value. |
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| 160 | * @retval HAL status |
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| 161 | */ |
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| 162 | |||
| 163 | HAL_StatusTypeDef HAL_PCDEx_PMAConfig(PCD_HandleTypeDef *hpcd, |
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| 164 | uint16_t ep_addr, |
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| 165 | uint16_t ep_kind, |
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| 166 | uint32_t pmaadress) |
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| 167 | |||
| 168 | { |
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| 169 | PCD_EPTypeDef *ep = NULL; |
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| 170 | |||
| 171 | /* initialize ep structure*/ |
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| 172 | if ((ep_addr & 0x80U) == 0x80U) |
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| 173 | { |
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| 174 | ep = &hpcd->IN_ep[ep_addr & 0x7FU]; |
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| 175 | } |
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| 176 | else |
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| 177 | { |
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| 178 | ep = &hpcd->OUT_ep[ep_addr]; |
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| 179 | } |
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| 180 | |||
| 181 | /* Here we check if the endpoint is single or double Buffer*/ |
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| 182 | if (ep_kind == PCD_SNG_BUF) |
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| 183 | { |
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| 184 | /*Single Buffer*/ |
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| 185 | ep->doublebuffer = 0U; |
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| 186 | /*Configure te PMA*/ |
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| 187 | ep->pmaadress = (uint16_t)pmaadress; |
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| 188 | } |
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| 189 | else /*USB_DBL_BUF*/ |
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| 190 | { |
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| 191 | /*Double Buffer Endpoint*/ |
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| 192 | ep->doublebuffer = 1U; |
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| 193 | /*Configure the PMA*/ |
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| 194 | ep->pmaaddr0 = pmaadress & 0x0000FFFFU; |
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| 195 | ep->pmaaddr1 = (pmaadress & 0xFFFF0000U) >> 16U; |
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| 196 | } |
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| 197 | |||
| 198 | return HAL_OK; |
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| 199 | } |
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| 200 | #endif /* USB */ |
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| 201 | /** |
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| 202 | * @} |
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| 203 | */ |
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| 204 | |||
| 205 | /** @defgroup PCDEx_Exported_Functions_Group2 Peripheral State functions |
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| 206 | * @brief Manage device connection state |
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| 207 | * @{ |
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| 208 | */ |
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| 209 | /** |
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| 210 | * @brief Software Device Connection, |
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| 211 | * this function is not required by USB OTG FS peripheral, it is used |
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| 212 | * only by USB Device FS peripheral. |
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| 213 | * @param hpcd: PCD handle |
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| 214 | * @param state: connection state (0 : disconnected / 1: connected) |
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| 215 | * @retval None |
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| 216 | */ |
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| 217 | __weak void HAL_PCDEx_SetConnectionState(PCD_HandleTypeDef *hpcd, uint8_t state) |
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| 218 | { |
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| 219 | /* Prevent unused argument(s) compilation warning */ |
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| 220 | UNUSED(hpcd); |
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| 221 | UNUSED(state); |
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| 222 | /* NOTE : This function Should not be modified, when the callback is needed, |
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| 223 | the HAL_PCDEx_SetConnectionState could be implemented in the user file |
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| 224 | */ |
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| 225 | } |
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| 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 | |||
| 234 | /** |
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| 235 | * @} |
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| 236 | */ |
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| 237 | |||
| 238 | #endif /* STM32F102x6 || STM32F102xB || */ |
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| 239 | /* STM32F103x6 || STM32F103xB || */ |
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| 240 | /* STM32F103xE || STM32F103xG || */ |
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| 241 | /* STM32F105xC || STM32F107xC */ |
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| 242 | |||
| 243 | #endif /* HAL_PCD_MODULE_ENABLED */ |
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| 244 | |||
| 245 | |||
| 246 | /** |
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| 247 | * @} |
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| 248 | */ |
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| 249 | |||
| 250 | /************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/ |