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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 | mjames | 5 | * @version V1.0.4 |
| 6 | * @date 29-April-2016 |
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| 2 | mjames | 7 | * @brief Extended PCD HAL module driver. |
| 8 | * This file provides firmware functions to manage the following |
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| 9 | * functionalities of the USB Peripheral Controller: |
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| 10 | * + Extended features functions: Update FIFO configuration, |
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| 11 | * PMA configuration for EPs |
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| 12 | * |
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| 13 | ****************************************************************************** |
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| 14 | * @attention |
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| 15 | * |
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| 5 | mjames | 16 | * <h2><center>© COPYRIGHT(c) 2016 STMicroelectronics</center></h2> |
| 2 | mjames | 17 | * |
| 18 | * Redistribution and use in source and binary forms, with or without modification, |
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| 19 | * are permitted provided that the following conditions are met: |
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| 20 | * 1. Redistributions of source code must retain the above copyright notice, |
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| 21 | * this list of conditions and the following disclaimer. |
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| 22 | * 2. Redistributions in binary form must reproduce the above copyright notice, |
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| 23 | * this list of conditions and the following disclaimer in the documentation |
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| 24 | * and/or other materials provided with the distribution. |
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| 25 | * 3. Neither the name of STMicroelectronics nor the names of its contributors |
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| 26 | * may be used to endorse or promote products derived from this software |
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| 27 | * without specific prior written permission. |
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| 28 | * |
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| 29 | * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" |
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| 30 | * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
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| 31 | * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE |
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| 32 | * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE |
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| 33 | * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL |
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| 34 | * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR |
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| 35 | * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER |
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| 36 | * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, |
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| 37 | * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE |
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| 38 | * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
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| 39 | * |
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| 40 | ****************************************************************************** |
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| 41 | */ |
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| 42 | |||
| 43 | /* Includes ------------------------------------------------------------------*/ |
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| 44 | #include "stm32f1xx_hal.h" |
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| 45 | |||
| 46 | /** @addtogroup STM32F1xx_HAL_Driver |
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| 47 | * @{ |
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| 48 | */ |
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| 49 | |||
| 50 | #ifdef HAL_PCD_MODULE_ENABLED |
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| 51 | |||
| 52 | #if defined(STM32F102x6) || defined(STM32F102xB) || \ |
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| 53 | defined(STM32F103x6) || defined(STM32F103xB) || \ |
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| 54 | defined(STM32F103xE) || defined(STM32F103xG) || \ |
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| 55 | defined(STM32F105xC) || defined(STM32F107xC) |
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| 56 | |||
| 57 | |||
| 58 | /** @defgroup PCDEx PCDEx |
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| 59 | * @brief PCD Extended HAL module driver |
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| 60 | * @{ |
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| 61 | */ |
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| 62 | |||
| 63 | |||
| 64 | /* Private types -------------------------------------------------------------*/ |
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| 65 | /* Private variables ---------------------------------------------------------*/ |
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| 66 | /* Private constants ---------------------------------------------------------*/ |
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| 67 | /* Private macros ------------------------------------------------------------*/ |
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| 68 | /* Private functions ---------------------------------------------------------*/ |
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| 69 | /* Exported functions --------------------------------------------------------*/ |
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| 70 | /** @defgroup PCDEx_Exported_Functions PCDEx Exported Functions |
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| 71 | * @{ |
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| 72 | */ |
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| 73 | |||
| 74 | /** @defgroup PCDEx_Exported_Functions_Group1 Peripheral Control functions |
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| 75 | * @brief PCDEx control functions |
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| 76 | * |
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| 77 | @verbatim |
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| 78 | =============================================================================== |
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| 79 | ##### Extended Peripheral Control functions ##### |
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| 80 | =============================================================================== |
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| 81 | [..] This section provides functions allowing to: |
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| 82 | (+) Update FIFO (USB_OTG_FS) |
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| 83 | (+) Update PMA configuration (USB) |
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| 84 | |||
| 85 | @endverbatim |
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| 86 | * @{ |
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| 87 | */ |
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| 88 | |||
| 89 | #if defined (USB_OTG_FS) |
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| 90 | /** |
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| 91 | * @brief Set Tx FIFO |
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| 92 | * @param hpcd: PCD handle |
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| 93 | * @param fifo: The number of Tx fifo |
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| 94 | * @param size: Fifo size |
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| 95 | * @retval HAL status |
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| 96 | */ |
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| 97 | HAL_StatusTypeDef HAL_PCDEx_SetTxFiFo(PCD_HandleTypeDef *hpcd, uint8_t fifo, uint16_t size) |
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| 98 | { |
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| 99 | uint8_t index = 0; |
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| 100 | uint32_t Tx_Offset = 0; |
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| 101 | |||
| 102 | /* TXn min size = 16 words. (n : Transmit FIFO index) |
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| 103 | When a TxFIFO is not used, the Configuration should be as follows: |
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| 104 | case 1 : n > m and Txn is not used (n,m : Transmit FIFO indexes) |
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| 105 | --> Txm can use the space allocated for Txn. |
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| 106 | case2 : n < m and Txn is not used (n,m : Transmit FIFO indexes) |
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| 107 | --> Txn should be configured with the minimum space of 16 words |
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| 108 | The FIFO is used optimally when used TxFIFOs are allocated in the top |
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| 109 | of the FIFO.Ex: use EP1 and EP2 as IN instead of EP1 and EP3 as IN ones. |
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| 110 | When DMA is used 3n * FIFO locations should be reserved for internal DMA registers */ |
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| 111 | |||
| 112 | Tx_Offset = hpcd->Instance->GRXFSIZ; |
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| 113 | |||
| 114 | if(fifo == 0) |
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| 115 | { |
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| 116 | hpcd->Instance->DIEPTXF0_HNPTXFSIZ = (size << 16) | Tx_Offset; |
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| 117 | } |
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| 118 | else |
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| 119 | { |
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| 120 | Tx_Offset += (hpcd->Instance->DIEPTXF0_HNPTXFSIZ) >> 16; |
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| 121 | for (index = 0; index < (fifo - 1); index++) |
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| 122 | { |
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| 123 | Tx_Offset += (hpcd->Instance->DIEPTXF[index] >> 16); |
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| 124 | } |
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| 125 | |||
| 126 | /* Multiply Tx_Size by 2 to get higher performance */ |
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| 127 | hpcd->Instance->DIEPTXF[fifo - 1] = (size << 16) | Tx_Offset; |
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| 128 | |||
| 129 | } |
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| 130 | |||
| 131 | return HAL_OK; |
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| 132 | } |
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| 133 | |||
| 134 | /** |
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| 135 | * @brief Set Rx FIFO |
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| 136 | * @param hpcd: PCD handle |
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| 137 | * @param size: Size of Rx fifo |
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| 138 | * @retval HAL status |
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| 139 | */ |
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| 140 | HAL_StatusTypeDef HAL_PCDEx_SetRxFiFo(PCD_HandleTypeDef *hpcd, uint16_t size) |
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| 141 | { |
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| 142 | hpcd->Instance->GRXFSIZ = size; |
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| 143 | return HAL_OK; |
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| 144 | } |
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| 145 | #endif /* USB_OTG_FS */ |
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| 146 | |||
| 147 | #if defined (USB) |
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| 148 | /** |
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| 149 | * @brief Configure PMA for EP |
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| 150 | * @param hpcd : Device instance |
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| 151 | * @param ep_addr: endpoint address |
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| 152 | * @param ep_kind: endpoint Kind |
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| 153 | * USB_SNG_BUF: Single Buffer used |
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| 154 | * USB_DBL_BUF: Double Buffer used |
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| 155 | * @param pmaadress: EP address in The PMA: In case of single buffer endpoint |
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| 156 | * this parameter is 16-bit value providing the address |
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| 157 | * in PMA allocated to endpoint. |
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| 158 | * In case of double buffer endpoint this parameter |
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| 159 | * is a 32-bit value providing the endpoint buffer 0 address |
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| 160 | * in the LSB part of 32-bit value and endpoint buffer 1 address |
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| 161 | * in the MSB part of 32-bit value. |
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| 162 | * @retval HAL status |
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| 163 | */ |
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| 164 | |||
| 165 | HAL_StatusTypeDef HAL_PCDEx_PMAConfig(PCD_HandleTypeDef *hpcd, |
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| 166 | uint16_t ep_addr, |
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| 167 | uint16_t ep_kind, |
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| 168 | uint32_t pmaadress) |
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| 169 | |||
| 170 | { |
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| 171 | PCD_EPTypeDef *ep = NULL; |
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| 172 | |||
| 173 | /* initialize ep structure*/ |
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| 174 | if ((0x80 & ep_addr) == 0x80) |
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| 175 | { |
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| 176 | ep = &hpcd->IN_ep[ep_addr & 0x7F]; |
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| 177 | } |
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| 178 | else |
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| 179 | { |
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| 180 | ep = &hpcd->OUT_ep[ep_addr]; |
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| 181 | } |
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| 182 | |||
| 183 | /* Here we check if the endpoint is single or double Buffer*/ |
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| 184 | if (ep_kind == PCD_SNG_BUF) |
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| 185 | { |
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| 186 | /*Single Buffer*/ |
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| 187 | ep->doublebuffer = 0; |
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| 188 | /*Configure te PMA*/ |
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| 189 | ep->pmaadress = (uint16_t)pmaadress; |
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| 190 | } |
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| 191 | else /*USB_DBL_BUF*/ |
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| 192 | { |
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| 193 | /*Double Buffer Endpoint*/ |
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| 194 | ep->doublebuffer = 1; |
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| 195 | /*Configure the PMA*/ |
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| 196 | ep->pmaaddr0 = pmaadress & 0xFFFF; |
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| 197 | ep->pmaaddr1 = (pmaadress & 0xFFFF0000) >> 16; |
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| 198 | } |
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| 199 | |||
| 200 | return HAL_OK; |
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| 201 | } |
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| 202 | #endif /* USB */ |
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| 203 | /** |
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| 204 | * @} |
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| 205 | */ |
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| 206 | |||
| 207 | /** @defgroup PCDEx_Exported_Functions_Group2 Peripheral State functions |
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| 208 | * @brief Manage device connection state |
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| 209 | * @{ |
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| 210 | */ |
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| 211 | /** |
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| 212 | * @brief Software Device Connection, |
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| 213 | * this function is not required by USB OTG FS peripheral, it is used |
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| 214 | * only by USB Device FS peripheral. |
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| 215 | * @param hpcd: PCD handle |
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| 216 | * @param state: connection state (0 : disconnected / 1: connected) |
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| 217 | * @retval None |
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| 218 | */ |
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| 219 | __weak void HAL_PCDEx_SetConnectionState(PCD_HandleTypeDef *hpcd, uint8_t state) |
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| 220 | { |
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| 5 | mjames | 221 | /* Prevent unused argument(s) compilation warning */ |
| 222 | UNUSED(hpcd); |
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| 223 | UNUSED(state); |
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| 2 | mjames | 224 | /* NOTE : This function Should not be modified, when the callback is needed, |
| 225 | the HAL_PCDEx_SetConnectionState could be implemented in the user file |
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| 226 | */ |
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| 227 | } |
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| 228 | /** |
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| 229 | * @} |
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| 230 | */ |
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| 231 | |||
| 232 | /** |
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| 233 | * @} |
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| 234 | */ |
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| 235 | |||
| 236 | /** |
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| 237 | * @} |
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| 238 | */ |
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| 239 | |||
| 240 | #endif /* STM32F102x6 || STM32F102xB || */ |
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| 241 | /* STM32F103x6 || STM32F103xB || */ |
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| 242 | /* STM32F103xE || STM32F103xG || */ |
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| 243 | /* STM32F105xC || STM32F107xC */ |
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| 244 | |||
| 245 | #endif /* HAL_PCD_MODULE_ENABLED */ |
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| 246 | |||
| 247 | |||
| 248 | /** |
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| 249 | * @} |
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| 250 | */ |
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| 251 | |||
| 252 | /************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/ |