fix LPC812 PWM
Fork of mbed-dev by
targets/cmsis/TARGET_STM/TARGET_STM32L1/stm32l1xx_hal_pcd.c@0:9b334a45a8ff, 2015-10-01 (annotated)
- Committer:
- bogdanm
- Date:
- Thu Oct 01 15:25:22 2015 +0300
- Revision:
- 0:9b334a45a8ff
Initial commit on mbed-dev
Replaces mbed-src (now inactive)
Who changed what in which revision?
User | Revision | Line number | New contents of line |
---|---|---|---|
bogdanm | 0:9b334a45a8ff | 1 | /** |
bogdanm | 0:9b334a45a8ff | 2 | ****************************************************************************** |
bogdanm | 0:9b334a45a8ff | 3 | * @file stm32l1xx_hal_pcd.c |
bogdanm | 0:9b334a45a8ff | 4 | * @author MCD Application Team |
bogdanm | 0:9b334a45a8ff | 5 | * @version V1.0.0 |
bogdanm | 0:9b334a45a8ff | 6 | * @date 5-September-2014 |
bogdanm | 0:9b334a45a8ff | 7 | * @brief PCD HAL module driver. |
bogdanm | 0:9b334a45a8ff | 8 | * This file provides firmware functions to manage the following |
bogdanm | 0:9b334a45a8ff | 9 | * functionalities of the USB Peripheral Controller: |
bogdanm | 0:9b334a45a8ff | 10 | * + Initialization and de-initialization functions |
bogdanm | 0:9b334a45a8ff | 11 | * + IO operation functions |
bogdanm | 0:9b334a45a8ff | 12 | * + Peripheral Control functions |
bogdanm | 0:9b334a45a8ff | 13 | * + Peripheral State functions |
bogdanm | 0:9b334a45a8ff | 14 | * |
bogdanm | 0:9b334a45a8ff | 15 | @verbatim |
bogdanm | 0:9b334a45a8ff | 16 | ============================================================================== |
bogdanm | 0:9b334a45a8ff | 17 | ##### How to use this driver ##### |
bogdanm | 0:9b334a45a8ff | 18 | ============================================================================== |
bogdanm | 0:9b334a45a8ff | 19 | [..] |
bogdanm | 0:9b334a45a8ff | 20 | The PCD HAL driver can be used as follows: |
bogdanm | 0:9b334a45a8ff | 21 | |
bogdanm | 0:9b334a45a8ff | 22 | (#) Declare a PCD_HandleTypeDef handle structure, for example: |
bogdanm | 0:9b334a45a8ff | 23 | PCD_HandleTypeDef hpcd; |
bogdanm | 0:9b334a45a8ff | 24 | |
bogdanm | 0:9b334a45a8ff | 25 | (#) Fill parameters of Init structure in HCD handle |
bogdanm | 0:9b334a45a8ff | 26 | |
bogdanm | 0:9b334a45a8ff | 27 | (#) Call HAL_PCD_Init() API to initialize the HCD peripheral (Core, Device core, ...) |
bogdanm | 0:9b334a45a8ff | 28 | |
bogdanm | 0:9b334a45a8ff | 29 | (#) Initialize the PCD low level resources through the HAL_PCD_MspInit() API: |
bogdanm | 0:9b334a45a8ff | 30 | (##) Enable the PCD/USB Low Level interface clock using |
bogdanm | 0:9b334a45a8ff | 31 | (+++) __USB_CLK_ENABLE); |
bogdanm | 0:9b334a45a8ff | 32 | |
bogdanm | 0:9b334a45a8ff | 33 | (##) Initialize the related GPIO clocks |
bogdanm | 0:9b334a45a8ff | 34 | (##) Configure PCD pin-out |
bogdanm | 0:9b334a45a8ff | 35 | (##) Configure PCD NVIC interrupt |
bogdanm | 0:9b334a45a8ff | 36 | |
bogdanm | 0:9b334a45a8ff | 37 | (#)Associate the Upper USB device stack to the HAL PCD Driver: |
bogdanm | 0:9b334a45a8ff | 38 | (##) hpcd.pData = pdev; |
bogdanm | 0:9b334a45a8ff | 39 | |
bogdanm | 0:9b334a45a8ff | 40 | (#)Enable HCD transmission and reception: |
bogdanm | 0:9b334a45a8ff | 41 | (##) HAL_PCD_Start(); |
bogdanm | 0:9b334a45a8ff | 42 | |
bogdanm | 0:9b334a45a8ff | 43 | @endverbatim |
bogdanm | 0:9b334a45a8ff | 44 | ****************************************************************************** |
bogdanm | 0:9b334a45a8ff | 45 | * @attention |
bogdanm | 0:9b334a45a8ff | 46 | * |
bogdanm | 0:9b334a45a8ff | 47 | * <h2><center>© COPYRIGHT(c) 2014 STMicroelectronics</center></h2> |
bogdanm | 0:9b334a45a8ff | 48 | * |
bogdanm | 0:9b334a45a8ff | 49 | * Redistribution and use in source and binary forms, with or without modification, |
bogdanm | 0:9b334a45a8ff | 50 | * are permitted provided that the following conditions are met: |
bogdanm | 0:9b334a45a8ff | 51 | * 1. Redistributions of source code must retain the above copyright notice, |
bogdanm | 0:9b334a45a8ff | 52 | * this list of conditions and the following disclaimer. |
bogdanm | 0:9b334a45a8ff | 53 | * 2. Redistributions in binary form must reproduce the above copyright notice, |
bogdanm | 0:9b334a45a8ff | 54 | * this list of conditions and the following disclaimer in the documentation |
bogdanm | 0:9b334a45a8ff | 55 | * and/or other materials provided with the distribution. |
bogdanm | 0:9b334a45a8ff | 56 | * 3. Neither the name of STMicroelectronics nor the names of its contributors |
bogdanm | 0:9b334a45a8ff | 57 | * may be used to endorse or promote products derived from this software |
bogdanm | 0:9b334a45a8ff | 58 | * without specific prior written permission. |
bogdanm | 0:9b334a45a8ff | 59 | * |
bogdanm | 0:9b334a45a8ff | 60 | * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" |
bogdanm | 0:9b334a45a8ff | 61 | * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
bogdanm | 0:9b334a45a8ff | 62 | * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE |
bogdanm | 0:9b334a45a8ff | 63 | * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE |
bogdanm | 0:9b334a45a8ff | 64 | * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL |
bogdanm | 0:9b334a45a8ff | 65 | * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR |
bogdanm | 0:9b334a45a8ff | 66 | * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER |
bogdanm | 0:9b334a45a8ff | 67 | * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, |
bogdanm | 0:9b334a45a8ff | 68 | * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE |
bogdanm | 0:9b334a45a8ff | 69 | * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
bogdanm | 0:9b334a45a8ff | 70 | * |
bogdanm | 0:9b334a45a8ff | 71 | ****************************************************************************** |
bogdanm | 0:9b334a45a8ff | 72 | */ |
bogdanm | 0:9b334a45a8ff | 73 | |
bogdanm | 0:9b334a45a8ff | 74 | /* Includes ------------------------------------------------------------------*/ |
bogdanm | 0:9b334a45a8ff | 75 | #include "stm32l1xx_hal.h" |
bogdanm | 0:9b334a45a8ff | 76 | |
bogdanm | 0:9b334a45a8ff | 77 | /** @addtogroup STM32L1xx_HAL_Driver |
bogdanm | 0:9b334a45a8ff | 78 | * @{ |
bogdanm | 0:9b334a45a8ff | 79 | */ |
bogdanm | 0:9b334a45a8ff | 80 | |
bogdanm | 0:9b334a45a8ff | 81 | /** @defgroup PCD PCD |
bogdanm | 0:9b334a45a8ff | 82 | * @brief PCD HAL module driver |
bogdanm | 0:9b334a45a8ff | 83 | * @{ |
bogdanm | 0:9b334a45a8ff | 84 | */ |
bogdanm | 0:9b334a45a8ff | 85 | |
bogdanm | 0:9b334a45a8ff | 86 | #ifdef HAL_PCD_MODULE_ENABLED |
bogdanm | 0:9b334a45a8ff | 87 | |
bogdanm | 0:9b334a45a8ff | 88 | /* Private typedef -----------------------------------------------------------*/ |
bogdanm | 0:9b334a45a8ff | 89 | /* Private define ------------------------------------------------------------*/ |
bogdanm | 0:9b334a45a8ff | 90 | /** @defgroup PCD_Private_Constants PCD Private Constants |
bogdanm | 0:9b334a45a8ff | 91 | * @{ |
bogdanm | 0:9b334a45a8ff | 92 | */ |
bogdanm | 0:9b334a45a8ff | 93 | #define BTABLE_ADDRESS (0x000) |
bogdanm | 0:9b334a45a8ff | 94 | /** |
bogdanm | 0:9b334a45a8ff | 95 | * @} |
bogdanm | 0:9b334a45a8ff | 96 | */ |
bogdanm | 0:9b334a45a8ff | 97 | |
bogdanm | 0:9b334a45a8ff | 98 | /* Private macro -------------------------------------------------------------*/ |
bogdanm | 0:9b334a45a8ff | 99 | /* Private variables ---------------------------------------------------------*/ |
bogdanm | 0:9b334a45a8ff | 100 | /* Private function prototypes -----------------------------------------------*/ |
bogdanm | 0:9b334a45a8ff | 101 | /** @defgroup PCD_Private_Functions PCD Private Functions |
bogdanm | 0:9b334a45a8ff | 102 | * @{ |
bogdanm | 0:9b334a45a8ff | 103 | */ |
bogdanm | 0:9b334a45a8ff | 104 | static HAL_StatusTypeDef PCD_EP_ISR_Handler(PCD_HandleTypeDef *hpcd); |
bogdanm | 0:9b334a45a8ff | 105 | static void PCD_WritePMA(USB_TypeDef *USBx, uint8_t *pbUsrBuf, uint16_t wPMABufAddr, uint16_t wNBytes); |
bogdanm | 0:9b334a45a8ff | 106 | static void PCD_ReadPMA(USB_TypeDef *USBx, uint8_t *pbUsrBuf, uint16_t wPMABufAddr, uint16_t wNBytes); |
bogdanm | 0:9b334a45a8ff | 107 | |
bogdanm | 0:9b334a45a8ff | 108 | /** |
bogdanm | 0:9b334a45a8ff | 109 | * @} |
bogdanm | 0:9b334a45a8ff | 110 | */ |
bogdanm | 0:9b334a45a8ff | 111 | |
bogdanm | 0:9b334a45a8ff | 112 | |
bogdanm | 0:9b334a45a8ff | 113 | /** @defgroup PCD_Exported_Functions PCD Exported Functions |
bogdanm | 0:9b334a45a8ff | 114 | * @{ |
bogdanm | 0:9b334a45a8ff | 115 | */ |
bogdanm | 0:9b334a45a8ff | 116 | |
bogdanm | 0:9b334a45a8ff | 117 | /** @defgroup PCD_Exported_Functions_Group1 Initialization and de-initialization functions |
bogdanm | 0:9b334a45a8ff | 118 | * @brief Initialization and Configuration functions |
bogdanm | 0:9b334a45a8ff | 119 | * |
bogdanm | 0:9b334a45a8ff | 120 | @verbatim |
bogdanm | 0:9b334a45a8ff | 121 | =============================================================================== |
bogdanm | 0:9b334a45a8ff | 122 | ##### Initialization and de-initialization functions ##### |
bogdanm | 0:9b334a45a8ff | 123 | =============================================================================== |
bogdanm | 0:9b334a45a8ff | 124 | [..] This section provides functions allowing to: |
bogdanm | 0:9b334a45a8ff | 125 | |
bogdanm | 0:9b334a45a8ff | 126 | @endverbatim |
bogdanm | 0:9b334a45a8ff | 127 | * @{ |
bogdanm | 0:9b334a45a8ff | 128 | */ |
bogdanm | 0:9b334a45a8ff | 129 | |
bogdanm | 0:9b334a45a8ff | 130 | /** |
bogdanm | 0:9b334a45a8ff | 131 | * @brief Initializes the PCD according to the specified |
bogdanm | 0:9b334a45a8ff | 132 | * parameters in the PCD_InitTypeDef and create the associated handle. |
bogdanm | 0:9b334a45a8ff | 133 | * @param hpcd: PCD handle |
bogdanm | 0:9b334a45a8ff | 134 | * @retval HAL status |
bogdanm | 0:9b334a45a8ff | 135 | */ |
bogdanm | 0:9b334a45a8ff | 136 | HAL_StatusTypeDef HAL_PCD_Init(PCD_HandleTypeDef *hpcd) |
bogdanm | 0:9b334a45a8ff | 137 | { |
bogdanm | 0:9b334a45a8ff | 138 | uint32_t i = 0; |
bogdanm | 0:9b334a45a8ff | 139 | |
bogdanm | 0:9b334a45a8ff | 140 | uint32_t wInterrupt_Mask = 0; |
bogdanm | 0:9b334a45a8ff | 141 | |
bogdanm | 0:9b334a45a8ff | 142 | /* Check the PCD handle allocation */ |
bogdanm | 0:9b334a45a8ff | 143 | if(hpcd == HAL_NULL) |
bogdanm | 0:9b334a45a8ff | 144 | { |
bogdanm | 0:9b334a45a8ff | 145 | return HAL_ERROR; |
bogdanm | 0:9b334a45a8ff | 146 | } |
bogdanm | 0:9b334a45a8ff | 147 | |
bogdanm | 0:9b334a45a8ff | 148 | /* Check the parameters */ |
bogdanm | 0:9b334a45a8ff | 149 | assert_param(IS_PCD_ALL_INSTANCE(hpcd->Instance)); |
bogdanm | 0:9b334a45a8ff | 150 | |
bogdanm | 0:9b334a45a8ff | 151 | hpcd->State = PCD_BUSY; |
bogdanm | 0:9b334a45a8ff | 152 | |
bogdanm | 0:9b334a45a8ff | 153 | /* Init the low level hardware : GPIO, CLOCK, NVIC... */ |
bogdanm | 0:9b334a45a8ff | 154 | HAL_PCD_MspInit(hpcd); |
bogdanm | 0:9b334a45a8ff | 155 | |
bogdanm | 0:9b334a45a8ff | 156 | /* Init endpoints structures */ |
bogdanm | 0:9b334a45a8ff | 157 | for (i = 0; i < hpcd->Init.dev_endpoints ; i++) |
bogdanm | 0:9b334a45a8ff | 158 | { |
bogdanm | 0:9b334a45a8ff | 159 | /* Init ep structure */ |
bogdanm | 0:9b334a45a8ff | 160 | hpcd->IN_ep[i].is_in = 1; |
bogdanm | 0:9b334a45a8ff | 161 | hpcd->IN_ep[i].num = i; |
bogdanm | 0:9b334a45a8ff | 162 | /* Control until ep is actvated */ |
bogdanm | 0:9b334a45a8ff | 163 | hpcd->IN_ep[i].type = PCD_EP_TYPE_CTRL; |
bogdanm | 0:9b334a45a8ff | 164 | hpcd->IN_ep[i].maxpacket = 0; |
bogdanm | 0:9b334a45a8ff | 165 | hpcd->IN_ep[i].xfer_buff = 0; |
bogdanm | 0:9b334a45a8ff | 166 | hpcd->IN_ep[i].xfer_len = 0; |
bogdanm | 0:9b334a45a8ff | 167 | } |
bogdanm | 0:9b334a45a8ff | 168 | |
bogdanm | 0:9b334a45a8ff | 169 | for (i = 0; i < hpcd->Init.dev_endpoints ; i++) |
bogdanm | 0:9b334a45a8ff | 170 | { |
bogdanm | 0:9b334a45a8ff | 171 | hpcd->OUT_ep[i].is_in = 0; |
bogdanm | 0:9b334a45a8ff | 172 | hpcd->OUT_ep[i].num = i; |
bogdanm | 0:9b334a45a8ff | 173 | /* Control until ep is activated */ |
bogdanm | 0:9b334a45a8ff | 174 | hpcd->OUT_ep[i].type = PCD_EP_TYPE_CTRL; |
bogdanm | 0:9b334a45a8ff | 175 | hpcd->OUT_ep[i].maxpacket = 0; |
bogdanm | 0:9b334a45a8ff | 176 | hpcd->OUT_ep[i].xfer_buff = 0; |
bogdanm | 0:9b334a45a8ff | 177 | hpcd->OUT_ep[i].xfer_len = 0; |
bogdanm | 0:9b334a45a8ff | 178 | } |
bogdanm | 0:9b334a45a8ff | 179 | |
bogdanm | 0:9b334a45a8ff | 180 | /* Init Device */ |
bogdanm | 0:9b334a45a8ff | 181 | /*CNTR_FRES = 1*/ |
bogdanm | 0:9b334a45a8ff | 182 | hpcd->Instance->CNTR = USB_CNTR_FRES; |
bogdanm | 0:9b334a45a8ff | 183 | |
bogdanm | 0:9b334a45a8ff | 184 | /*CNTR_FRES = 0*/ |
bogdanm | 0:9b334a45a8ff | 185 | hpcd->Instance->CNTR = 0; |
bogdanm | 0:9b334a45a8ff | 186 | |
bogdanm | 0:9b334a45a8ff | 187 | /*Clear pending interrupts*/ |
bogdanm | 0:9b334a45a8ff | 188 | hpcd->Instance->ISTR = 0; |
bogdanm | 0:9b334a45a8ff | 189 | |
bogdanm | 0:9b334a45a8ff | 190 | /*Set Btable Adress*/ |
bogdanm | 0:9b334a45a8ff | 191 | hpcd->Instance->BTABLE = BTABLE_ADDRESS; |
bogdanm | 0:9b334a45a8ff | 192 | |
bogdanm | 0:9b334a45a8ff | 193 | /*set wInterrupt_Mask global variable*/ |
bogdanm | 0:9b334a45a8ff | 194 | wInterrupt_Mask = USB_CNTR_CTRM | USB_CNTR_WKUPM | USB_CNTR_SUSPM | USB_CNTR_ERRM \ |
bogdanm | 0:9b334a45a8ff | 195 | | USB_CNTR_ESOFM | USB_CNTR_RESETM; |
bogdanm | 0:9b334a45a8ff | 196 | |
bogdanm | 0:9b334a45a8ff | 197 | /*Set interrupt mask*/ |
bogdanm | 0:9b334a45a8ff | 198 | hpcd->Instance->CNTR = wInterrupt_Mask; |
bogdanm | 0:9b334a45a8ff | 199 | |
bogdanm | 0:9b334a45a8ff | 200 | hpcd->USB_Address = 0; |
bogdanm | 0:9b334a45a8ff | 201 | hpcd->State= PCD_READY; |
bogdanm | 0:9b334a45a8ff | 202 | |
bogdanm | 0:9b334a45a8ff | 203 | return HAL_OK; |
bogdanm | 0:9b334a45a8ff | 204 | } |
bogdanm | 0:9b334a45a8ff | 205 | |
bogdanm | 0:9b334a45a8ff | 206 | /** |
bogdanm | 0:9b334a45a8ff | 207 | * @brief DeInitializes the PCD peripheral |
bogdanm | 0:9b334a45a8ff | 208 | * @param hpcd: PCD handle |
bogdanm | 0:9b334a45a8ff | 209 | * @retval HAL status |
bogdanm | 0:9b334a45a8ff | 210 | */ |
bogdanm | 0:9b334a45a8ff | 211 | HAL_StatusTypeDef HAL_PCD_DeInit(PCD_HandleTypeDef *hpcd) |
bogdanm | 0:9b334a45a8ff | 212 | { |
bogdanm | 0:9b334a45a8ff | 213 | /* Check the PCD handle allocation */ |
bogdanm | 0:9b334a45a8ff | 214 | if(hpcd == HAL_NULL) |
bogdanm | 0:9b334a45a8ff | 215 | { |
bogdanm | 0:9b334a45a8ff | 216 | return HAL_ERROR; |
bogdanm | 0:9b334a45a8ff | 217 | } |
bogdanm | 0:9b334a45a8ff | 218 | |
bogdanm | 0:9b334a45a8ff | 219 | hpcd->State = PCD_BUSY; |
bogdanm | 0:9b334a45a8ff | 220 | |
bogdanm | 0:9b334a45a8ff | 221 | /* Stop Device */ |
bogdanm | 0:9b334a45a8ff | 222 | HAL_PCD_Stop(hpcd); |
bogdanm | 0:9b334a45a8ff | 223 | |
bogdanm | 0:9b334a45a8ff | 224 | /* DeInit the low level hardware */ |
bogdanm | 0:9b334a45a8ff | 225 | HAL_PCD_MspDeInit(hpcd); |
bogdanm | 0:9b334a45a8ff | 226 | |
bogdanm | 0:9b334a45a8ff | 227 | hpcd->State = PCD_READY; |
bogdanm | 0:9b334a45a8ff | 228 | |
bogdanm | 0:9b334a45a8ff | 229 | return HAL_OK; |
bogdanm | 0:9b334a45a8ff | 230 | } |
bogdanm | 0:9b334a45a8ff | 231 | |
bogdanm | 0:9b334a45a8ff | 232 | /** |
bogdanm | 0:9b334a45a8ff | 233 | * @brief Initializes the PCD MSP. |
bogdanm | 0:9b334a45a8ff | 234 | * @param hpcd: PCD handle |
bogdanm | 0:9b334a45a8ff | 235 | * @retval None |
bogdanm | 0:9b334a45a8ff | 236 | */ |
bogdanm | 0:9b334a45a8ff | 237 | __weak void HAL_PCD_MspInit(PCD_HandleTypeDef *hpcd) |
bogdanm | 0:9b334a45a8ff | 238 | { |
bogdanm | 0:9b334a45a8ff | 239 | /* NOTE : This function Should not be modified, when the callback is needed, |
bogdanm | 0:9b334a45a8ff | 240 | the HAL_PCD_MspInit could be implenetd in the user file |
bogdanm | 0:9b334a45a8ff | 241 | */ |
bogdanm | 0:9b334a45a8ff | 242 | } |
bogdanm | 0:9b334a45a8ff | 243 | |
bogdanm | 0:9b334a45a8ff | 244 | /** |
bogdanm | 0:9b334a45a8ff | 245 | * @brief DeInitializes PCD MSP. |
bogdanm | 0:9b334a45a8ff | 246 | * @param hpcd: PCD handle |
bogdanm | 0:9b334a45a8ff | 247 | * @retval None |
bogdanm | 0:9b334a45a8ff | 248 | */ |
bogdanm | 0:9b334a45a8ff | 249 | __weak void HAL_PCD_MspDeInit(PCD_HandleTypeDef *hpcd) |
bogdanm | 0:9b334a45a8ff | 250 | { |
bogdanm | 0:9b334a45a8ff | 251 | /* NOTE : This function Should not be modified, when the callback is needed, |
bogdanm | 0:9b334a45a8ff | 252 | the HAL_PCD_MspDeInit could be implenetd in the user file |
bogdanm | 0:9b334a45a8ff | 253 | */ |
bogdanm | 0:9b334a45a8ff | 254 | } |
bogdanm | 0:9b334a45a8ff | 255 | |
bogdanm | 0:9b334a45a8ff | 256 | /** |
bogdanm | 0:9b334a45a8ff | 257 | * @} |
bogdanm | 0:9b334a45a8ff | 258 | */ |
bogdanm | 0:9b334a45a8ff | 259 | |
bogdanm | 0:9b334a45a8ff | 260 | /** @defgroup PCD_Exported_Functions_Group2 IO operation functions |
bogdanm | 0:9b334a45a8ff | 261 | * @brief Data transfers functions |
bogdanm | 0:9b334a45a8ff | 262 | * |
bogdanm | 0:9b334a45a8ff | 263 | @verbatim |
bogdanm | 0:9b334a45a8ff | 264 | =============================================================================== |
bogdanm | 0:9b334a45a8ff | 265 | ##### IO operation functions ##### |
bogdanm | 0:9b334a45a8ff | 266 | =============================================================================== |
bogdanm | 0:9b334a45a8ff | 267 | [..] |
bogdanm | 0:9b334a45a8ff | 268 | This subsection provides a set of functions allowing to manage the PCD data |
bogdanm | 0:9b334a45a8ff | 269 | transfers. |
bogdanm | 0:9b334a45a8ff | 270 | |
bogdanm | 0:9b334a45a8ff | 271 | @endverbatim |
bogdanm | 0:9b334a45a8ff | 272 | * @{ |
bogdanm | 0:9b334a45a8ff | 273 | */ |
bogdanm | 0:9b334a45a8ff | 274 | |
bogdanm | 0:9b334a45a8ff | 275 | /** |
bogdanm | 0:9b334a45a8ff | 276 | * @brief Start The USB OTG Device. |
bogdanm | 0:9b334a45a8ff | 277 | * @param hpcd: PCD handle |
bogdanm | 0:9b334a45a8ff | 278 | * @retval HAL status |
bogdanm | 0:9b334a45a8ff | 279 | */ |
bogdanm | 0:9b334a45a8ff | 280 | HAL_StatusTypeDef HAL_PCD_Start(PCD_HandleTypeDef *hpcd) |
bogdanm | 0:9b334a45a8ff | 281 | { |
bogdanm | 0:9b334a45a8ff | 282 | HAL_PCDEx_SetConnectionState (hpcd, 1); |
bogdanm | 0:9b334a45a8ff | 283 | return HAL_OK; |
bogdanm | 0:9b334a45a8ff | 284 | } |
bogdanm | 0:9b334a45a8ff | 285 | |
bogdanm | 0:9b334a45a8ff | 286 | /** |
bogdanm | 0:9b334a45a8ff | 287 | * @brief Stop The USB OTG Device. |
bogdanm | 0:9b334a45a8ff | 288 | * @param hpcd: PCD handle |
bogdanm | 0:9b334a45a8ff | 289 | * @retval HAL status |
bogdanm | 0:9b334a45a8ff | 290 | */ |
bogdanm | 0:9b334a45a8ff | 291 | HAL_StatusTypeDef HAL_PCD_Stop(PCD_HandleTypeDef *hpcd) |
bogdanm | 0:9b334a45a8ff | 292 | { |
bogdanm | 0:9b334a45a8ff | 293 | __HAL_LOCK(hpcd); |
bogdanm | 0:9b334a45a8ff | 294 | |
bogdanm | 0:9b334a45a8ff | 295 | /* disable all interrupts and force USB reset */ |
bogdanm | 0:9b334a45a8ff | 296 | hpcd->Instance->CNTR = USB_CNTR_FRES; |
bogdanm | 0:9b334a45a8ff | 297 | |
bogdanm | 0:9b334a45a8ff | 298 | /* clear interrupt status register */ |
bogdanm | 0:9b334a45a8ff | 299 | hpcd->Instance->ISTR = 0; |
bogdanm | 0:9b334a45a8ff | 300 | |
bogdanm | 0:9b334a45a8ff | 301 | /* switch-off device */ |
bogdanm | 0:9b334a45a8ff | 302 | hpcd->Instance->CNTR = (USB_CNTR_FRES | USB_CNTR_PDWN); |
bogdanm | 0:9b334a45a8ff | 303 | |
bogdanm | 0:9b334a45a8ff | 304 | __HAL_UNLOCK(hpcd); |
bogdanm | 0:9b334a45a8ff | 305 | return HAL_OK; |
bogdanm | 0:9b334a45a8ff | 306 | } |
bogdanm | 0:9b334a45a8ff | 307 | |
bogdanm | 0:9b334a45a8ff | 308 | /** |
bogdanm | 0:9b334a45a8ff | 309 | * @brief This function handles PCD interrupt request. |
bogdanm | 0:9b334a45a8ff | 310 | * @param hpcd: PCD handle |
bogdanm | 0:9b334a45a8ff | 311 | * @retval HAL status |
bogdanm | 0:9b334a45a8ff | 312 | */ |
bogdanm | 0:9b334a45a8ff | 313 | void HAL_PCD_IRQHandler(PCD_HandleTypeDef *hpcd) |
bogdanm | 0:9b334a45a8ff | 314 | { |
bogdanm | 0:9b334a45a8ff | 315 | uint32_t wInterrupt_Mask = 0; |
bogdanm | 0:9b334a45a8ff | 316 | |
bogdanm | 0:9b334a45a8ff | 317 | if (__HAL_PCD_GET_FLAG (hpcd, USB_ISTR_CTR)) |
bogdanm | 0:9b334a45a8ff | 318 | { |
bogdanm | 0:9b334a45a8ff | 319 | /* servicing of the endpoint correct transfer interrupt */ |
bogdanm | 0:9b334a45a8ff | 320 | /* clear of the CTR flag into the sub */ |
bogdanm | 0:9b334a45a8ff | 321 | PCD_EP_ISR_Handler(hpcd); |
bogdanm | 0:9b334a45a8ff | 322 | } |
bogdanm | 0:9b334a45a8ff | 323 | |
bogdanm | 0:9b334a45a8ff | 324 | if (__HAL_PCD_GET_FLAG (hpcd, USB_ISTR_RESET)) |
bogdanm | 0:9b334a45a8ff | 325 | { |
bogdanm | 0:9b334a45a8ff | 326 | __HAL_PCD_CLEAR_FLAG(hpcd, USB_ISTR_RESET); |
bogdanm | 0:9b334a45a8ff | 327 | HAL_PCD_ResetCallback(hpcd); |
bogdanm | 0:9b334a45a8ff | 328 | HAL_PCD_SetAddress(hpcd, 0); |
bogdanm | 0:9b334a45a8ff | 329 | } |
bogdanm | 0:9b334a45a8ff | 330 | |
bogdanm | 0:9b334a45a8ff | 331 | if (__HAL_PCD_GET_FLAG (hpcd, USB_ISTR_PMAOVRM)) |
bogdanm | 0:9b334a45a8ff | 332 | { |
bogdanm | 0:9b334a45a8ff | 333 | __HAL_PCD_CLEAR_FLAG(hpcd, USB_ISTR_PMAOVRM); |
bogdanm | 0:9b334a45a8ff | 334 | } |
bogdanm | 0:9b334a45a8ff | 335 | if (__HAL_PCD_GET_FLAG (hpcd, USB_ISTR_ERR)) |
bogdanm | 0:9b334a45a8ff | 336 | { |
bogdanm | 0:9b334a45a8ff | 337 | __HAL_PCD_CLEAR_FLAG(hpcd, USB_ISTR_ERR); |
bogdanm | 0:9b334a45a8ff | 338 | } |
bogdanm | 0:9b334a45a8ff | 339 | |
bogdanm | 0:9b334a45a8ff | 340 | if (__HAL_PCD_GET_FLAG (hpcd, USB_ISTR_WKUP)) |
bogdanm | 0:9b334a45a8ff | 341 | { |
bogdanm | 0:9b334a45a8ff | 342 | hpcd->Instance->CNTR &= ~(USB_CNTR_LP_MODE); |
bogdanm | 0:9b334a45a8ff | 343 | |
bogdanm | 0:9b334a45a8ff | 344 | /*set wInterrupt_Mask global variable*/ |
bogdanm | 0:9b334a45a8ff | 345 | wInterrupt_Mask = USB_CNTR_CTRM | USB_CNTR_WKUPM | USB_CNTR_SUSPM | USB_CNTR_ERRM \ |
bogdanm | 0:9b334a45a8ff | 346 | | USB_CNTR_ESOFM | USB_CNTR_RESETM; |
bogdanm | 0:9b334a45a8ff | 347 | |
bogdanm | 0:9b334a45a8ff | 348 | /*Set interrupt mask*/ |
bogdanm | 0:9b334a45a8ff | 349 | hpcd->Instance->CNTR = wInterrupt_Mask; |
bogdanm | 0:9b334a45a8ff | 350 | |
bogdanm | 0:9b334a45a8ff | 351 | HAL_PCD_ResumeCallback(hpcd); |
bogdanm | 0:9b334a45a8ff | 352 | |
bogdanm | 0:9b334a45a8ff | 353 | __HAL_PCD_CLEAR_FLAG(hpcd, USB_ISTR_WKUP); |
bogdanm | 0:9b334a45a8ff | 354 | } |
bogdanm | 0:9b334a45a8ff | 355 | |
bogdanm | 0:9b334a45a8ff | 356 | if (__HAL_PCD_GET_FLAG (hpcd, USB_ISTR_SUSP)) |
bogdanm | 0:9b334a45a8ff | 357 | { |
bogdanm | 0:9b334a45a8ff | 358 | /* clear of the ISTR bit must be done after setting of CNTR_FSUSP */ |
bogdanm | 0:9b334a45a8ff | 359 | __HAL_PCD_CLEAR_FLAG(hpcd, USB_ISTR_SUSP); |
bogdanm | 0:9b334a45a8ff | 360 | |
bogdanm | 0:9b334a45a8ff | 361 | /* Force low-power mode in the macrocell */ |
bogdanm | 0:9b334a45a8ff | 362 | hpcd->Instance->CNTR |= USB_CNTR_FSUSP; |
bogdanm | 0:9b334a45a8ff | 363 | hpcd->Instance->CNTR |= USB_CNTR_LP_MODE; |
bogdanm | 0:9b334a45a8ff | 364 | if (__HAL_PCD_GET_FLAG (hpcd, USB_ISTR_WKUP) == 0) |
bogdanm | 0:9b334a45a8ff | 365 | { |
bogdanm | 0:9b334a45a8ff | 366 | HAL_PCD_SuspendCallback(hpcd); |
bogdanm | 0:9b334a45a8ff | 367 | } |
bogdanm | 0:9b334a45a8ff | 368 | } |
bogdanm | 0:9b334a45a8ff | 369 | |
bogdanm | 0:9b334a45a8ff | 370 | if (__HAL_PCD_GET_FLAG (hpcd, USB_ISTR_SOF)) |
bogdanm | 0:9b334a45a8ff | 371 | { |
bogdanm | 0:9b334a45a8ff | 372 | __HAL_PCD_CLEAR_FLAG(hpcd, USB_ISTR_SOF); |
bogdanm | 0:9b334a45a8ff | 373 | HAL_PCD_SOFCallback(hpcd); |
bogdanm | 0:9b334a45a8ff | 374 | } |
bogdanm | 0:9b334a45a8ff | 375 | |
bogdanm | 0:9b334a45a8ff | 376 | if (__HAL_PCD_GET_FLAG (hpcd, USB_ISTR_ESOF)) |
bogdanm | 0:9b334a45a8ff | 377 | { |
bogdanm | 0:9b334a45a8ff | 378 | /* clear ESOF flag in ISTR */ |
bogdanm | 0:9b334a45a8ff | 379 | __HAL_PCD_CLEAR_FLAG(hpcd, USB_ISTR_ESOF); |
bogdanm | 0:9b334a45a8ff | 380 | } |
bogdanm | 0:9b334a45a8ff | 381 | } |
bogdanm | 0:9b334a45a8ff | 382 | |
bogdanm | 0:9b334a45a8ff | 383 | /** |
bogdanm | 0:9b334a45a8ff | 384 | * @brief Data out stage callbacks |
bogdanm | 0:9b334a45a8ff | 385 | * @param hpcd: PCD handle |
bogdanm | 0:9b334a45a8ff | 386 | * @param epnum: endpoint number |
bogdanm | 0:9b334a45a8ff | 387 | * @retval None |
bogdanm | 0:9b334a45a8ff | 388 | */ |
bogdanm | 0:9b334a45a8ff | 389 | __weak void HAL_PCD_DataOutStageCallback(PCD_HandleTypeDef *hpcd, uint8_t epnum) |
bogdanm | 0:9b334a45a8ff | 390 | { |
bogdanm | 0:9b334a45a8ff | 391 | /* NOTE : This function Should not be modified, when the callback is needed, |
bogdanm | 0:9b334a45a8ff | 392 | the HAL_PCD_DataOutStageCallback could be implenetd in the user file |
bogdanm | 0:9b334a45a8ff | 393 | */ |
bogdanm | 0:9b334a45a8ff | 394 | } |
bogdanm | 0:9b334a45a8ff | 395 | |
bogdanm | 0:9b334a45a8ff | 396 | /** |
bogdanm | 0:9b334a45a8ff | 397 | * @brief Data IN stage callbacks |
bogdanm | 0:9b334a45a8ff | 398 | * @param hpcd: PCD handle |
bogdanm | 0:9b334a45a8ff | 399 | * @param epnum: endpoint number |
bogdanm | 0:9b334a45a8ff | 400 | * @retval None |
bogdanm | 0:9b334a45a8ff | 401 | */ |
bogdanm | 0:9b334a45a8ff | 402 | __weak void HAL_PCD_DataInStageCallback(PCD_HandleTypeDef *hpcd, uint8_t epnum) |
bogdanm | 0:9b334a45a8ff | 403 | { |
bogdanm | 0:9b334a45a8ff | 404 | /* NOTE : This function Should not be modified, when the callback is needed, |
bogdanm | 0:9b334a45a8ff | 405 | the HAL_PCD_DataInStageCallback could be implenetd in the user file |
bogdanm | 0:9b334a45a8ff | 406 | */ |
bogdanm | 0:9b334a45a8ff | 407 | } |
bogdanm | 0:9b334a45a8ff | 408 | /** |
bogdanm | 0:9b334a45a8ff | 409 | * @brief Setup stage callback |
bogdanm | 0:9b334a45a8ff | 410 | * @param hpcd: ppp handle |
bogdanm | 0:9b334a45a8ff | 411 | * @retval None |
bogdanm | 0:9b334a45a8ff | 412 | */ |
bogdanm | 0:9b334a45a8ff | 413 | __weak void HAL_PCD_SetupStageCallback(PCD_HandleTypeDef *hpcd) |
bogdanm | 0:9b334a45a8ff | 414 | { |
bogdanm | 0:9b334a45a8ff | 415 | /* NOTE : This function Should not be modified, when the callback is needed, |
bogdanm | 0:9b334a45a8ff | 416 | the HAL_PCD_SetupStageCallback could be implenetd in the user file |
bogdanm | 0:9b334a45a8ff | 417 | */ |
bogdanm | 0:9b334a45a8ff | 418 | } |
bogdanm | 0:9b334a45a8ff | 419 | |
bogdanm | 0:9b334a45a8ff | 420 | /** |
bogdanm | 0:9b334a45a8ff | 421 | * @brief USB Start Of Frame callbacks |
bogdanm | 0:9b334a45a8ff | 422 | * @param hpcd: PCD handle |
bogdanm | 0:9b334a45a8ff | 423 | * @retval None |
bogdanm | 0:9b334a45a8ff | 424 | */ |
bogdanm | 0:9b334a45a8ff | 425 | __weak void HAL_PCD_SOFCallback(PCD_HandleTypeDef *hpcd) |
bogdanm | 0:9b334a45a8ff | 426 | { |
bogdanm | 0:9b334a45a8ff | 427 | /* NOTE : This function Should not be modified, when the callback is needed, |
bogdanm | 0:9b334a45a8ff | 428 | the HAL_PCD_SOFCallback could be implenetd in the user file |
bogdanm | 0:9b334a45a8ff | 429 | */ |
bogdanm | 0:9b334a45a8ff | 430 | } |
bogdanm | 0:9b334a45a8ff | 431 | |
bogdanm | 0:9b334a45a8ff | 432 | /** |
bogdanm | 0:9b334a45a8ff | 433 | * @brief USB Reset callbacks |
bogdanm | 0:9b334a45a8ff | 434 | * @param hpcd: PCD handle |
bogdanm | 0:9b334a45a8ff | 435 | * @retval None |
bogdanm | 0:9b334a45a8ff | 436 | */ |
bogdanm | 0:9b334a45a8ff | 437 | __weak void HAL_PCD_ResetCallback(PCD_HandleTypeDef *hpcd) |
bogdanm | 0:9b334a45a8ff | 438 | { |
bogdanm | 0:9b334a45a8ff | 439 | /* NOTE : This function Should not be modified, when the callback is needed, |
bogdanm | 0:9b334a45a8ff | 440 | the HAL_PCD_ResetCallback could be implenetd in the user file |
bogdanm | 0:9b334a45a8ff | 441 | */ |
bogdanm | 0:9b334a45a8ff | 442 | } |
bogdanm | 0:9b334a45a8ff | 443 | |
bogdanm | 0:9b334a45a8ff | 444 | |
bogdanm | 0:9b334a45a8ff | 445 | /** |
bogdanm | 0:9b334a45a8ff | 446 | * @brief Suspend event callbacks |
bogdanm | 0:9b334a45a8ff | 447 | * @param hpcd: PCD handle |
bogdanm | 0:9b334a45a8ff | 448 | * @retval None |
bogdanm | 0:9b334a45a8ff | 449 | */ |
bogdanm | 0:9b334a45a8ff | 450 | __weak void HAL_PCD_SuspendCallback(PCD_HandleTypeDef *hpcd) |
bogdanm | 0:9b334a45a8ff | 451 | { |
bogdanm | 0:9b334a45a8ff | 452 | /* NOTE : This function Should not be modified, when the callback is needed, |
bogdanm | 0:9b334a45a8ff | 453 | the HAL_PCD_SuspendCallback could be implenetd in the user file |
bogdanm | 0:9b334a45a8ff | 454 | */ |
bogdanm | 0:9b334a45a8ff | 455 | } |
bogdanm | 0:9b334a45a8ff | 456 | |
bogdanm | 0:9b334a45a8ff | 457 | /** |
bogdanm | 0:9b334a45a8ff | 458 | * @brief Resume event callbacks |
bogdanm | 0:9b334a45a8ff | 459 | * @param hpcd: PCD handle |
bogdanm | 0:9b334a45a8ff | 460 | * @retval None |
bogdanm | 0:9b334a45a8ff | 461 | */ |
bogdanm | 0:9b334a45a8ff | 462 | __weak void HAL_PCD_ResumeCallback(PCD_HandleTypeDef *hpcd) |
bogdanm | 0:9b334a45a8ff | 463 | { |
bogdanm | 0:9b334a45a8ff | 464 | /* NOTE : This function Should not be modified, when the callback is needed, |
bogdanm | 0:9b334a45a8ff | 465 | the HAL_PCD_ResumeCallback could be implenetd in the user file |
bogdanm | 0:9b334a45a8ff | 466 | */ |
bogdanm | 0:9b334a45a8ff | 467 | } |
bogdanm | 0:9b334a45a8ff | 468 | |
bogdanm | 0:9b334a45a8ff | 469 | /** |
bogdanm | 0:9b334a45a8ff | 470 | * @brief Incomplete ISO OUT callbacks |
bogdanm | 0:9b334a45a8ff | 471 | * @param hpcd: PCD handle |
bogdanm | 0:9b334a45a8ff | 472 | * @param epnum: endpoint number |
bogdanm | 0:9b334a45a8ff | 473 | * @retval None |
bogdanm | 0:9b334a45a8ff | 474 | */ |
bogdanm | 0:9b334a45a8ff | 475 | __weak void HAL_PCD_ISOOUTIncompleteCallback(PCD_HandleTypeDef *hpcd, uint8_t epnum) |
bogdanm | 0:9b334a45a8ff | 476 | { |
bogdanm | 0:9b334a45a8ff | 477 | /* NOTE : This function Should not be modified, when the callback is needed, |
bogdanm | 0:9b334a45a8ff | 478 | the HAL_PCD_ISOOUTIncompleteCallback could be implenetd in the user file |
bogdanm | 0:9b334a45a8ff | 479 | */ |
bogdanm | 0:9b334a45a8ff | 480 | } |
bogdanm | 0:9b334a45a8ff | 481 | |
bogdanm | 0:9b334a45a8ff | 482 | /** |
bogdanm | 0:9b334a45a8ff | 483 | * @brief Incomplete ISO IN callbacks |
bogdanm | 0:9b334a45a8ff | 484 | * @param hpcd: PCD handle |
bogdanm | 0:9b334a45a8ff | 485 | * @param epnum: endpoint number |
bogdanm | 0:9b334a45a8ff | 486 | * @retval None |
bogdanm | 0:9b334a45a8ff | 487 | */ |
bogdanm | 0:9b334a45a8ff | 488 | __weak void HAL_PCD_ISOINIncompleteCallback(PCD_HandleTypeDef *hpcd, uint8_t epnum) |
bogdanm | 0:9b334a45a8ff | 489 | { |
bogdanm | 0:9b334a45a8ff | 490 | /* NOTE : This function Should not be modified, when the callback is needed, |
bogdanm | 0:9b334a45a8ff | 491 | the HAL_PCD_ISOINIncompleteCallback could be implenetd in the user file |
bogdanm | 0:9b334a45a8ff | 492 | */ |
bogdanm | 0:9b334a45a8ff | 493 | } |
bogdanm | 0:9b334a45a8ff | 494 | |
bogdanm | 0:9b334a45a8ff | 495 | /** |
bogdanm | 0:9b334a45a8ff | 496 | * @brief Connection event callbacks |
bogdanm | 0:9b334a45a8ff | 497 | * @param hpcd: PCD handle |
bogdanm | 0:9b334a45a8ff | 498 | * @retval None |
bogdanm | 0:9b334a45a8ff | 499 | */ |
bogdanm | 0:9b334a45a8ff | 500 | __weak void HAL_PCD_ConnectCallback(PCD_HandleTypeDef *hpcd) |
bogdanm | 0:9b334a45a8ff | 501 | { |
bogdanm | 0:9b334a45a8ff | 502 | /* NOTE : This function Should not be modified, when the callback is needed, |
bogdanm | 0:9b334a45a8ff | 503 | the HAL_PCD_ConnectCallback could be implenetd in the user file |
bogdanm | 0:9b334a45a8ff | 504 | */ |
bogdanm | 0:9b334a45a8ff | 505 | } |
bogdanm | 0:9b334a45a8ff | 506 | |
bogdanm | 0:9b334a45a8ff | 507 | /** |
bogdanm | 0:9b334a45a8ff | 508 | * @brief Disconnection event callbacks |
bogdanm | 0:9b334a45a8ff | 509 | * @param hpcd: ppp handle |
bogdanm | 0:9b334a45a8ff | 510 | * @retval None |
bogdanm | 0:9b334a45a8ff | 511 | */ |
bogdanm | 0:9b334a45a8ff | 512 | __weak void HAL_PCD_DisconnectCallback(PCD_HandleTypeDef *hpcd) |
bogdanm | 0:9b334a45a8ff | 513 | { |
bogdanm | 0:9b334a45a8ff | 514 | /* NOTE : This function Should not be modified, when the callback is needed, |
bogdanm | 0:9b334a45a8ff | 515 | the HAL_PCD_DisconnectCallback could be implenetd in the user file |
bogdanm | 0:9b334a45a8ff | 516 | */ |
bogdanm | 0:9b334a45a8ff | 517 | } |
bogdanm | 0:9b334a45a8ff | 518 | |
bogdanm | 0:9b334a45a8ff | 519 | /** |
bogdanm | 0:9b334a45a8ff | 520 | * @} |
bogdanm | 0:9b334a45a8ff | 521 | */ |
bogdanm | 0:9b334a45a8ff | 522 | |
bogdanm | 0:9b334a45a8ff | 523 | /** @defgroup PCD_Exported_Functions_Group3 Peripheral Control functions |
bogdanm | 0:9b334a45a8ff | 524 | * @brief management functions |
bogdanm | 0:9b334a45a8ff | 525 | * |
bogdanm | 0:9b334a45a8ff | 526 | @verbatim |
bogdanm | 0:9b334a45a8ff | 527 | =============================================================================== |
bogdanm | 0:9b334a45a8ff | 528 | ##### Peripheral Control functions ##### |
bogdanm | 0:9b334a45a8ff | 529 | =============================================================================== |
bogdanm | 0:9b334a45a8ff | 530 | [..] |
bogdanm | 0:9b334a45a8ff | 531 | This subsection provides a set of functions allowing to control the PCD data |
bogdanm | 0:9b334a45a8ff | 532 | transfers. |
bogdanm | 0:9b334a45a8ff | 533 | |
bogdanm | 0:9b334a45a8ff | 534 | @endverbatim |
bogdanm | 0:9b334a45a8ff | 535 | * @{ |
bogdanm | 0:9b334a45a8ff | 536 | */ |
bogdanm | 0:9b334a45a8ff | 537 | |
bogdanm | 0:9b334a45a8ff | 538 | /** |
bogdanm | 0:9b334a45a8ff | 539 | * @brief Connect the USB device |
bogdanm | 0:9b334a45a8ff | 540 | * @param hpcd: PCD handle |
bogdanm | 0:9b334a45a8ff | 541 | * @retval HAL status |
bogdanm | 0:9b334a45a8ff | 542 | */ |
bogdanm | 0:9b334a45a8ff | 543 | HAL_StatusTypeDef HAL_PCD_DevConnect(PCD_HandleTypeDef *hpcd) |
bogdanm | 0:9b334a45a8ff | 544 | { |
bogdanm | 0:9b334a45a8ff | 545 | __HAL_LOCK(hpcd); |
bogdanm | 0:9b334a45a8ff | 546 | |
bogdanm | 0:9b334a45a8ff | 547 | /* Enabling DP Pull-Down bit to Connect internal pull-up on USB DP line */ |
bogdanm | 0:9b334a45a8ff | 548 | HAL_PCDEx_SetConnectionState (hpcd, 1); |
bogdanm | 0:9b334a45a8ff | 549 | |
bogdanm | 0:9b334a45a8ff | 550 | __HAL_UNLOCK(hpcd); |
bogdanm | 0:9b334a45a8ff | 551 | return HAL_OK; |
bogdanm | 0:9b334a45a8ff | 552 | } |
bogdanm | 0:9b334a45a8ff | 553 | |
bogdanm | 0:9b334a45a8ff | 554 | /** |
bogdanm | 0:9b334a45a8ff | 555 | * @brief Disconnect the USB device |
bogdanm | 0:9b334a45a8ff | 556 | * @param hpcd: PCD handle |
bogdanm | 0:9b334a45a8ff | 557 | * @retval HAL status |
bogdanm | 0:9b334a45a8ff | 558 | */ |
bogdanm | 0:9b334a45a8ff | 559 | HAL_StatusTypeDef HAL_PCD_DevDisconnect(PCD_HandleTypeDef *hpcd) |
bogdanm | 0:9b334a45a8ff | 560 | { |
bogdanm | 0:9b334a45a8ff | 561 | __HAL_LOCK(hpcd); |
bogdanm | 0:9b334a45a8ff | 562 | |
bogdanm | 0:9b334a45a8ff | 563 | /* Disable DP Pull-Down bit*/ |
bogdanm | 0:9b334a45a8ff | 564 | HAL_PCDEx_SetConnectionState (hpcd, 0); |
bogdanm | 0:9b334a45a8ff | 565 | |
bogdanm | 0:9b334a45a8ff | 566 | __HAL_UNLOCK(hpcd); |
bogdanm | 0:9b334a45a8ff | 567 | return HAL_OK; |
bogdanm | 0:9b334a45a8ff | 568 | } |
bogdanm | 0:9b334a45a8ff | 569 | |
bogdanm | 0:9b334a45a8ff | 570 | /** |
bogdanm | 0:9b334a45a8ff | 571 | * @brief Set the USB Device address |
bogdanm | 0:9b334a45a8ff | 572 | * @param hpcd: PCD handle |
bogdanm | 0:9b334a45a8ff | 573 | * @param address: new device address |
bogdanm | 0:9b334a45a8ff | 574 | * @retval HAL status |
bogdanm | 0:9b334a45a8ff | 575 | */ |
bogdanm | 0:9b334a45a8ff | 576 | HAL_StatusTypeDef HAL_PCD_SetAddress(PCD_HandleTypeDef *hpcd, uint8_t address) |
bogdanm | 0:9b334a45a8ff | 577 | { |
bogdanm | 0:9b334a45a8ff | 578 | __HAL_LOCK(hpcd); |
bogdanm | 0:9b334a45a8ff | 579 | |
bogdanm | 0:9b334a45a8ff | 580 | if(address == 0) |
bogdanm | 0:9b334a45a8ff | 581 | { |
bogdanm | 0:9b334a45a8ff | 582 | /* set device address and enable function */ |
bogdanm | 0:9b334a45a8ff | 583 | hpcd->Instance->DADDR = USB_DADDR_EF; |
bogdanm | 0:9b334a45a8ff | 584 | } |
bogdanm | 0:9b334a45a8ff | 585 | else /* USB Address will be applied later */ |
bogdanm | 0:9b334a45a8ff | 586 | { |
bogdanm | 0:9b334a45a8ff | 587 | hpcd->USB_Address = address; |
bogdanm | 0:9b334a45a8ff | 588 | } |
bogdanm | 0:9b334a45a8ff | 589 | |
bogdanm | 0:9b334a45a8ff | 590 | __HAL_UNLOCK(hpcd); |
bogdanm | 0:9b334a45a8ff | 591 | return HAL_OK; |
bogdanm | 0:9b334a45a8ff | 592 | } |
bogdanm | 0:9b334a45a8ff | 593 | /** |
bogdanm | 0:9b334a45a8ff | 594 | * @brief Open and configure an endpoint |
bogdanm | 0:9b334a45a8ff | 595 | * @param hpcd: PCD handle |
bogdanm | 0:9b334a45a8ff | 596 | * @param ep_addr: endpoint address |
bogdanm | 0:9b334a45a8ff | 597 | * @param ep_mps: endpoint max packert size |
bogdanm | 0:9b334a45a8ff | 598 | * @param ep_type: endpoint type |
bogdanm | 0:9b334a45a8ff | 599 | * @retval HAL status |
bogdanm | 0:9b334a45a8ff | 600 | */ |
bogdanm | 0:9b334a45a8ff | 601 | HAL_StatusTypeDef HAL_PCD_EP_Open(PCD_HandleTypeDef *hpcd, uint8_t ep_addr, uint16_t ep_mps, uint8_t ep_type) |
bogdanm | 0:9b334a45a8ff | 602 | { |
bogdanm | 0:9b334a45a8ff | 603 | HAL_StatusTypeDef ret = HAL_OK; |
bogdanm | 0:9b334a45a8ff | 604 | PCD_EPTypeDef *ep; |
bogdanm | 0:9b334a45a8ff | 605 | |
bogdanm | 0:9b334a45a8ff | 606 | if ((ep_addr & 0x80) == 0x80) |
bogdanm | 0:9b334a45a8ff | 607 | { |
bogdanm | 0:9b334a45a8ff | 608 | ep = &hpcd->IN_ep[ep_addr & 0x7F]; |
bogdanm | 0:9b334a45a8ff | 609 | } |
bogdanm | 0:9b334a45a8ff | 610 | else |
bogdanm | 0:9b334a45a8ff | 611 | { |
bogdanm | 0:9b334a45a8ff | 612 | ep = &hpcd->OUT_ep[ep_addr & 0x7F]; |
bogdanm | 0:9b334a45a8ff | 613 | } |
bogdanm | 0:9b334a45a8ff | 614 | ep->num = ep_addr & 0x7F; |
bogdanm | 0:9b334a45a8ff | 615 | |
bogdanm | 0:9b334a45a8ff | 616 | ep->is_in = (0x80 & ep_addr) != 0; |
bogdanm | 0:9b334a45a8ff | 617 | ep->maxpacket = ep_mps; |
bogdanm | 0:9b334a45a8ff | 618 | ep->type = ep_type; |
bogdanm | 0:9b334a45a8ff | 619 | |
bogdanm | 0:9b334a45a8ff | 620 | __HAL_LOCK(hpcd); |
bogdanm | 0:9b334a45a8ff | 621 | |
bogdanm | 0:9b334a45a8ff | 622 | /* initialize Endpoint */ |
bogdanm | 0:9b334a45a8ff | 623 | switch (ep->type) |
bogdanm | 0:9b334a45a8ff | 624 | { |
bogdanm | 0:9b334a45a8ff | 625 | case PCD_EP_TYPE_CTRL: |
bogdanm | 0:9b334a45a8ff | 626 | PCD_SET_EPTYPE(hpcd->Instance, ep->num, USB_EP_CONTROL); |
bogdanm | 0:9b334a45a8ff | 627 | break; |
bogdanm | 0:9b334a45a8ff | 628 | case PCD_EP_TYPE_BULK: |
bogdanm | 0:9b334a45a8ff | 629 | PCD_SET_EPTYPE(hpcd->Instance, ep->num, USB_EP_BULK); |
bogdanm | 0:9b334a45a8ff | 630 | break; |
bogdanm | 0:9b334a45a8ff | 631 | case PCD_EP_TYPE_INTR: |
bogdanm | 0:9b334a45a8ff | 632 | PCD_SET_EPTYPE(hpcd->Instance, ep->num, USB_EP_INTERRUPT); |
bogdanm | 0:9b334a45a8ff | 633 | break; |
bogdanm | 0:9b334a45a8ff | 634 | case PCD_EP_TYPE_ISOC: |
bogdanm | 0:9b334a45a8ff | 635 | PCD_SET_EPTYPE(hpcd->Instance, ep->num, USB_EP_ISOCHRONOUS); |
bogdanm | 0:9b334a45a8ff | 636 | break; |
bogdanm | 0:9b334a45a8ff | 637 | default: |
bogdanm | 0:9b334a45a8ff | 638 | break; |
bogdanm | 0:9b334a45a8ff | 639 | } |
bogdanm | 0:9b334a45a8ff | 640 | |
bogdanm | 0:9b334a45a8ff | 641 | PCD_SET_EP_ADDRESS(hpcd->Instance, ep->num, ep->num); |
bogdanm | 0:9b334a45a8ff | 642 | |
bogdanm | 0:9b334a45a8ff | 643 | if (ep->doublebuffer == 0) |
bogdanm | 0:9b334a45a8ff | 644 | { |
bogdanm | 0:9b334a45a8ff | 645 | if (ep->is_in) |
bogdanm | 0:9b334a45a8ff | 646 | { |
bogdanm | 0:9b334a45a8ff | 647 | /*Set the endpoint Transmit buffer address */ |
bogdanm | 0:9b334a45a8ff | 648 | PCD_SET_EP_TX_ADDRESS(hpcd->Instance, ep->num, ep->pmaadress); |
bogdanm | 0:9b334a45a8ff | 649 | PCD_CLEAR_TX_DTOG(hpcd->Instance, ep->num); |
bogdanm | 0:9b334a45a8ff | 650 | /* Configure NAK status for the Endpoint*/ |
bogdanm | 0:9b334a45a8ff | 651 | PCD_SET_EP_TX_STATUS(hpcd->Instance, ep->num, USB_EP_TX_NAK); |
bogdanm | 0:9b334a45a8ff | 652 | } |
bogdanm | 0:9b334a45a8ff | 653 | else |
bogdanm | 0:9b334a45a8ff | 654 | { |
bogdanm | 0:9b334a45a8ff | 655 | /*Set the endpoint Receive buffer address */ |
bogdanm | 0:9b334a45a8ff | 656 | PCD_SET_EP_RX_ADDRESS(hpcd->Instance, ep->num, ep->pmaadress); |
bogdanm | 0:9b334a45a8ff | 657 | /*Set the endpoint Receive buffer counter*/ |
bogdanm | 0:9b334a45a8ff | 658 | PCD_SET_EP_RX_CNT(hpcd->Instance, ep->num, ep->maxpacket); |
bogdanm | 0:9b334a45a8ff | 659 | PCD_CLEAR_RX_DTOG(hpcd->Instance, ep->num); |
bogdanm | 0:9b334a45a8ff | 660 | /* Configure VALID status for the Endpoint*/ |
bogdanm | 0:9b334a45a8ff | 661 | PCD_SET_EP_RX_STATUS(hpcd->Instance, ep->num, USB_EP_RX_VALID); |
bogdanm | 0:9b334a45a8ff | 662 | } |
bogdanm | 0:9b334a45a8ff | 663 | } |
bogdanm | 0:9b334a45a8ff | 664 | /*Double Buffer*/ |
bogdanm | 0:9b334a45a8ff | 665 | else |
bogdanm | 0:9b334a45a8ff | 666 | { |
bogdanm | 0:9b334a45a8ff | 667 | /*Set the endpoint as double buffered*/ |
bogdanm | 0:9b334a45a8ff | 668 | PCD_SET_EP_DBUF(hpcd->Instance, ep->num); |
bogdanm | 0:9b334a45a8ff | 669 | /*Set buffer address for double buffered mode*/ |
bogdanm | 0:9b334a45a8ff | 670 | PCD_SET_EP_DBUF_ADDR(hpcd->Instance, ep->num,ep->pmaaddr0, ep->pmaaddr1); |
bogdanm | 0:9b334a45a8ff | 671 | |
bogdanm | 0:9b334a45a8ff | 672 | if (ep->is_in==0) |
bogdanm | 0:9b334a45a8ff | 673 | { |
bogdanm | 0:9b334a45a8ff | 674 | /* Clear the data toggle bits for the endpoint IN/OUT*/ |
bogdanm | 0:9b334a45a8ff | 675 | PCD_CLEAR_RX_DTOG(hpcd->Instance, ep->num); |
bogdanm | 0:9b334a45a8ff | 676 | PCD_CLEAR_TX_DTOG(hpcd->Instance, ep->num); |
bogdanm | 0:9b334a45a8ff | 677 | |
bogdanm | 0:9b334a45a8ff | 678 | /* Reset value of the data toggle bits for the endpoint out*/ |
bogdanm | 0:9b334a45a8ff | 679 | PCD_TX_DTOG(hpcd->Instance, ep->num); |
bogdanm | 0:9b334a45a8ff | 680 | |
bogdanm | 0:9b334a45a8ff | 681 | PCD_SET_EP_RX_STATUS(hpcd->Instance, ep->num, USB_EP_RX_VALID); |
bogdanm | 0:9b334a45a8ff | 682 | PCD_SET_EP_TX_STATUS(hpcd->Instance, ep->num, USB_EP_TX_DIS); |
bogdanm | 0:9b334a45a8ff | 683 | } |
bogdanm | 0:9b334a45a8ff | 684 | else |
bogdanm | 0:9b334a45a8ff | 685 | { |
bogdanm | 0:9b334a45a8ff | 686 | /* Clear the data toggle bits for the endpoint IN/OUT*/ |
bogdanm | 0:9b334a45a8ff | 687 | PCD_CLEAR_RX_DTOG(hpcd->Instance, ep->num); |
bogdanm | 0:9b334a45a8ff | 688 | PCD_CLEAR_TX_DTOG(hpcd->Instance, ep->num); |
bogdanm | 0:9b334a45a8ff | 689 | PCD_RX_DTOG(hpcd->Instance, ep->num); |
bogdanm | 0:9b334a45a8ff | 690 | /* Configure DISABLE status for the Endpoint*/ |
bogdanm | 0:9b334a45a8ff | 691 | PCD_SET_EP_TX_STATUS(hpcd->Instance, ep->num, USB_EP_TX_DIS); |
bogdanm | 0:9b334a45a8ff | 692 | PCD_SET_EP_RX_STATUS(hpcd->Instance, ep->num, USB_EP_RX_DIS); |
bogdanm | 0:9b334a45a8ff | 693 | } |
bogdanm | 0:9b334a45a8ff | 694 | } |
bogdanm | 0:9b334a45a8ff | 695 | |
bogdanm | 0:9b334a45a8ff | 696 | __HAL_UNLOCK(hpcd); |
bogdanm | 0:9b334a45a8ff | 697 | return ret; |
bogdanm | 0:9b334a45a8ff | 698 | } |
bogdanm | 0:9b334a45a8ff | 699 | |
bogdanm | 0:9b334a45a8ff | 700 | |
bogdanm | 0:9b334a45a8ff | 701 | /** |
bogdanm | 0:9b334a45a8ff | 702 | * @brief Deactivate an endpoint |
bogdanm | 0:9b334a45a8ff | 703 | * @param hpcd: PCD handle |
bogdanm | 0:9b334a45a8ff | 704 | * @param ep_addr: endpoint address |
bogdanm | 0:9b334a45a8ff | 705 | * @retval HAL status |
bogdanm | 0:9b334a45a8ff | 706 | */ |
bogdanm | 0:9b334a45a8ff | 707 | HAL_StatusTypeDef HAL_PCD_EP_Close(PCD_HandleTypeDef *hpcd, uint8_t ep_addr) |
bogdanm | 0:9b334a45a8ff | 708 | { |
bogdanm | 0:9b334a45a8ff | 709 | PCD_EPTypeDef *ep; |
bogdanm | 0:9b334a45a8ff | 710 | |
bogdanm | 0:9b334a45a8ff | 711 | if ((ep_addr & 0x80) == 0x80) |
bogdanm | 0:9b334a45a8ff | 712 | { |
bogdanm | 0:9b334a45a8ff | 713 | ep = &hpcd->IN_ep[ep_addr & 0x7F]; |
bogdanm | 0:9b334a45a8ff | 714 | } |
bogdanm | 0:9b334a45a8ff | 715 | else |
bogdanm | 0:9b334a45a8ff | 716 | { |
bogdanm | 0:9b334a45a8ff | 717 | ep = &hpcd->OUT_ep[ep_addr & 0x7F]; |
bogdanm | 0:9b334a45a8ff | 718 | } |
bogdanm | 0:9b334a45a8ff | 719 | ep->num = ep_addr & 0x7F; |
bogdanm | 0:9b334a45a8ff | 720 | |
bogdanm | 0:9b334a45a8ff | 721 | ep->is_in = (0x80 & ep_addr) != 0; |
bogdanm | 0:9b334a45a8ff | 722 | |
bogdanm | 0:9b334a45a8ff | 723 | __HAL_LOCK(hpcd); |
bogdanm | 0:9b334a45a8ff | 724 | |
bogdanm | 0:9b334a45a8ff | 725 | if (ep->doublebuffer == 0) |
bogdanm | 0:9b334a45a8ff | 726 | { |
bogdanm | 0:9b334a45a8ff | 727 | if (ep->is_in) |
bogdanm | 0:9b334a45a8ff | 728 | { |
bogdanm | 0:9b334a45a8ff | 729 | PCD_CLEAR_TX_DTOG(hpcd->Instance, ep->num); |
bogdanm | 0:9b334a45a8ff | 730 | /* Configure DISABLE status for the Endpoint*/ |
bogdanm | 0:9b334a45a8ff | 731 | PCD_SET_EP_TX_STATUS(hpcd->Instance, ep->num, USB_EP_TX_DIS); |
bogdanm | 0:9b334a45a8ff | 732 | } |
bogdanm | 0:9b334a45a8ff | 733 | else |
bogdanm | 0:9b334a45a8ff | 734 | { |
bogdanm | 0:9b334a45a8ff | 735 | PCD_CLEAR_RX_DTOG(hpcd->Instance, ep->num); |
bogdanm | 0:9b334a45a8ff | 736 | /* Configure DISABLE status for the Endpoint*/ |
bogdanm | 0:9b334a45a8ff | 737 | PCD_SET_EP_RX_STATUS(hpcd->Instance, ep->num, USB_EP_RX_DIS); |
bogdanm | 0:9b334a45a8ff | 738 | } |
bogdanm | 0:9b334a45a8ff | 739 | } |
bogdanm | 0:9b334a45a8ff | 740 | /*Double Buffer*/ |
bogdanm | 0:9b334a45a8ff | 741 | else |
bogdanm | 0:9b334a45a8ff | 742 | { |
bogdanm | 0:9b334a45a8ff | 743 | if (ep->is_in==0) |
bogdanm | 0:9b334a45a8ff | 744 | { |
bogdanm | 0:9b334a45a8ff | 745 | /* Clear the data toggle bits for the endpoint IN/OUT*/ |
bogdanm | 0:9b334a45a8ff | 746 | PCD_CLEAR_RX_DTOG(hpcd->Instance, ep->num); |
bogdanm | 0:9b334a45a8ff | 747 | PCD_CLEAR_TX_DTOG(hpcd->Instance, ep->num); |
bogdanm | 0:9b334a45a8ff | 748 | |
bogdanm | 0:9b334a45a8ff | 749 | /* Reset value of the data toggle bits for the endpoint out*/ |
bogdanm | 0:9b334a45a8ff | 750 | PCD_TX_DTOG(hpcd->Instance, ep->num); |
bogdanm | 0:9b334a45a8ff | 751 | |
bogdanm | 0:9b334a45a8ff | 752 | PCD_SET_EP_RX_STATUS(hpcd->Instance, ep->num, USB_EP_RX_DIS); |
bogdanm | 0:9b334a45a8ff | 753 | PCD_SET_EP_TX_STATUS(hpcd->Instance, ep->num, USB_EP_TX_DIS); |
bogdanm | 0:9b334a45a8ff | 754 | } |
bogdanm | 0:9b334a45a8ff | 755 | else |
bogdanm | 0:9b334a45a8ff | 756 | { |
bogdanm | 0:9b334a45a8ff | 757 | /* Clear the data toggle bits for the endpoint IN/OUT*/ |
bogdanm | 0:9b334a45a8ff | 758 | PCD_CLEAR_RX_DTOG(hpcd->Instance, ep->num); |
bogdanm | 0:9b334a45a8ff | 759 | PCD_CLEAR_TX_DTOG(hpcd->Instance, ep->num); |
bogdanm | 0:9b334a45a8ff | 760 | PCD_RX_DTOG(hpcd->Instance, ep->num); |
bogdanm | 0:9b334a45a8ff | 761 | /* Configure DISABLE status for the Endpoint*/ |
bogdanm | 0:9b334a45a8ff | 762 | PCD_SET_EP_TX_STATUS(hpcd->Instance, ep->num, USB_EP_TX_DIS); |
bogdanm | 0:9b334a45a8ff | 763 | PCD_SET_EP_RX_STATUS(hpcd->Instance, ep->num, USB_EP_RX_DIS); |
bogdanm | 0:9b334a45a8ff | 764 | } |
bogdanm | 0:9b334a45a8ff | 765 | } |
bogdanm | 0:9b334a45a8ff | 766 | |
bogdanm | 0:9b334a45a8ff | 767 | __HAL_UNLOCK(hpcd); |
bogdanm | 0:9b334a45a8ff | 768 | return HAL_OK; |
bogdanm | 0:9b334a45a8ff | 769 | } |
bogdanm | 0:9b334a45a8ff | 770 | |
bogdanm | 0:9b334a45a8ff | 771 | |
bogdanm | 0:9b334a45a8ff | 772 | /** |
bogdanm | 0:9b334a45a8ff | 773 | * @brief Receive an amount of data |
bogdanm | 0:9b334a45a8ff | 774 | * @param hpcd: PCD handle |
bogdanm | 0:9b334a45a8ff | 775 | * @param ep_addr: endpoint address |
bogdanm | 0:9b334a45a8ff | 776 | * @param pBuf: pointer to the reception buffer |
bogdanm | 0:9b334a45a8ff | 777 | * @param len: amount of data to be received |
bogdanm | 0:9b334a45a8ff | 778 | * @retval HAL status |
bogdanm | 0:9b334a45a8ff | 779 | */ |
bogdanm | 0:9b334a45a8ff | 780 | HAL_StatusTypeDef HAL_PCD_EP_Receive(PCD_HandleTypeDef *hpcd, uint8_t ep_addr, uint8_t *pBuf, uint32_t len) |
bogdanm | 0:9b334a45a8ff | 781 | { |
bogdanm | 0:9b334a45a8ff | 782 | |
bogdanm | 0:9b334a45a8ff | 783 | PCD_EPTypeDef *ep; |
bogdanm | 0:9b334a45a8ff | 784 | |
bogdanm | 0:9b334a45a8ff | 785 | ep = &hpcd->OUT_ep[ep_addr & 0x7F]; |
bogdanm | 0:9b334a45a8ff | 786 | |
bogdanm | 0:9b334a45a8ff | 787 | /*setup and start the Xfer */ |
bogdanm | 0:9b334a45a8ff | 788 | ep->xfer_buff = pBuf; |
bogdanm | 0:9b334a45a8ff | 789 | ep->xfer_len = len; |
bogdanm | 0:9b334a45a8ff | 790 | ep->xfer_count = 0; |
bogdanm | 0:9b334a45a8ff | 791 | ep->is_in = 0; |
bogdanm | 0:9b334a45a8ff | 792 | ep->num = ep_addr & 0x7F; |
bogdanm | 0:9b334a45a8ff | 793 | |
bogdanm | 0:9b334a45a8ff | 794 | __HAL_LOCK(hpcd); |
bogdanm | 0:9b334a45a8ff | 795 | |
bogdanm | 0:9b334a45a8ff | 796 | /* Multi packet transfer*/ |
bogdanm | 0:9b334a45a8ff | 797 | if (ep->xfer_len > ep->maxpacket) |
bogdanm | 0:9b334a45a8ff | 798 | { |
bogdanm | 0:9b334a45a8ff | 799 | len=ep->maxpacket; |
bogdanm | 0:9b334a45a8ff | 800 | ep->xfer_len-=len; |
bogdanm | 0:9b334a45a8ff | 801 | } |
bogdanm | 0:9b334a45a8ff | 802 | else |
bogdanm | 0:9b334a45a8ff | 803 | { |
bogdanm | 0:9b334a45a8ff | 804 | len=ep->xfer_len; |
bogdanm | 0:9b334a45a8ff | 805 | ep->xfer_len =0; |
bogdanm | 0:9b334a45a8ff | 806 | } |
bogdanm | 0:9b334a45a8ff | 807 | |
bogdanm | 0:9b334a45a8ff | 808 | /* configure and validate Rx endpoint */ |
bogdanm | 0:9b334a45a8ff | 809 | if (ep->doublebuffer == 0) |
bogdanm | 0:9b334a45a8ff | 810 | { |
bogdanm | 0:9b334a45a8ff | 811 | /*Set RX buffer count*/ |
bogdanm | 0:9b334a45a8ff | 812 | PCD_SET_EP_RX_CNT(hpcd->Instance, ep->num, len); |
bogdanm | 0:9b334a45a8ff | 813 | } |
bogdanm | 0:9b334a45a8ff | 814 | else |
bogdanm | 0:9b334a45a8ff | 815 | { |
bogdanm | 0:9b334a45a8ff | 816 | /*Set the Double buffer counter*/ |
bogdanm | 0:9b334a45a8ff | 817 | PCD_SET_EP_DBUF1_CNT(hpcd->Instance, ep->num, ep->is_in, len); |
bogdanm | 0:9b334a45a8ff | 818 | } |
bogdanm | 0:9b334a45a8ff | 819 | |
bogdanm | 0:9b334a45a8ff | 820 | PCD_SET_EP_RX_STATUS(hpcd->Instance, ep->num, USB_EP_RX_VALID); |
bogdanm | 0:9b334a45a8ff | 821 | |
bogdanm | 0:9b334a45a8ff | 822 | __HAL_UNLOCK(hpcd); |
bogdanm | 0:9b334a45a8ff | 823 | |
bogdanm | 0:9b334a45a8ff | 824 | return HAL_OK; |
bogdanm | 0:9b334a45a8ff | 825 | } |
bogdanm | 0:9b334a45a8ff | 826 | |
bogdanm | 0:9b334a45a8ff | 827 | /** |
bogdanm | 0:9b334a45a8ff | 828 | * @brief Get Received Data Size |
bogdanm | 0:9b334a45a8ff | 829 | * @param hpcd: PCD handle |
bogdanm | 0:9b334a45a8ff | 830 | * @param ep_addr: endpoint address |
bogdanm | 0:9b334a45a8ff | 831 | * @retval Data Size |
bogdanm | 0:9b334a45a8ff | 832 | */ |
bogdanm | 0:9b334a45a8ff | 833 | uint16_t HAL_PCD_EP_GetRxCount(PCD_HandleTypeDef *hpcd, uint8_t ep_addr) |
bogdanm | 0:9b334a45a8ff | 834 | { |
bogdanm | 0:9b334a45a8ff | 835 | return hpcd->OUT_ep[ep_addr & 0x7F].xfer_count; |
bogdanm | 0:9b334a45a8ff | 836 | } |
bogdanm | 0:9b334a45a8ff | 837 | /** |
bogdanm | 0:9b334a45a8ff | 838 | * @brief Send an amount of data |
bogdanm | 0:9b334a45a8ff | 839 | * @param hpcd: PCD handle |
bogdanm | 0:9b334a45a8ff | 840 | * @param ep_addr: endpoint address |
bogdanm | 0:9b334a45a8ff | 841 | * @param pBuf: pointer to the transmission buffer |
bogdanm | 0:9b334a45a8ff | 842 | * @param len: amount of data to be sent |
bogdanm | 0:9b334a45a8ff | 843 | * @retval HAL status |
bogdanm | 0:9b334a45a8ff | 844 | */ |
bogdanm | 0:9b334a45a8ff | 845 | HAL_StatusTypeDef HAL_PCD_EP_Transmit(PCD_HandleTypeDef *hpcd, uint8_t ep_addr, uint8_t *pBuf, uint32_t len) |
bogdanm | 0:9b334a45a8ff | 846 | { |
bogdanm | 0:9b334a45a8ff | 847 | PCD_EPTypeDef *ep; |
bogdanm | 0:9b334a45a8ff | 848 | uint16_t pmabuffer = 0; |
bogdanm | 0:9b334a45a8ff | 849 | |
bogdanm | 0:9b334a45a8ff | 850 | ep = &hpcd->IN_ep[ep_addr & 0x7F]; |
bogdanm | 0:9b334a45a8ff | 851 | |
bogdanm | 0:9b334a45a8ff | 852 | /*setup and start the Xfer */ |
bogdanm | 0:9b334a45a8ff | 853 | ep->xfer_buff = pBuf; |
bogdanm | 0:9b334a45a8ff | 854 | ep->xfer_len = len; |
bogdanm | 0:9b334a45a8ff | 855 | ep->xfer_count = 0; |
bogdanm | 0:9b334a45a8ff | 856 | ep->is_in = 1; |
bogdanm | 0:9b334a45a8ff | 857 | ep->num = ep_addr & 0x7F; |
bogdanm | 0:9b334a45a8ff | 858 | |
bogdanm | 0:9b334a45a8ff | 859 | __HAL_LOCK(hpcd); |
bogdanm | 0:9b334a45a8ff | 860 | |
bogdanm | 0:9b334a45a8ff | 861 | /*Multi packet transfer*/ |
bogdanm | 0:9b334a45a8ff | 862 | if (ep->xfer_len > ep->maxpacket) |
bogdanm | 0:9b334a45a8ff | 863 | { |
bogdanm | 0:9b334a45a8ff | 864 | len=ep->maxpacket; |
bogdanm | 0:9b334a45a8ff | 865 | ep->xfer_len-=len; |
bogdanm | 0:9b334a45a8ff | 866 | } |
bogdanm | 0:9b334a45a8ff | 867 | else |
bogdanm | 0:9b334a45a8ff | 868 | { |
bogdanm | 0:9b334a45a8ff | 869 | len=ep->xfer_len; |
bogdanm | 0:9b334a45a8ff | 870 | ep->xfer_len =0; |
bogdanm | 0:9b334a45a8ff | 871 | } |
bogdanm | 0:9b334a45a8ff | 872 | |
bogdanm | 0:9b334a45a8ff | 873 | /* configure and validate Tx endpoint */ |
bogdanm | 0:9b334a45a8ff | 874 | if (ep->doublebuffer == 0) |
bogdanm | 0:9b334a45a8ff | 875 | { |
bogdanm | 0:9b334a45a8ff | 876 | PCD_WritePMA(hpcd->Instance, ep->xfer_buff, ep->pmaadress, len); |
bogdanm | 0:9b334a45a8ff | 877 | PCD_SET_EP_TX_CNT(hpcd->Instance, ep->num, len); |
bogdanm | 0:9b334a45a8ff | 878 | } |
bogdanm | 0:9b334a45a8ff | 879 | else |
bogdanm | 0:9b334a45a8ff | 880 | { |
bogdanm | 0:9b334a45a8ff | 881 | /*Set the Double buffer counter*/ |
bogdanm | 0:9b334a45a8ff | 882 | PCD_SET_EP_DBUF1_CNT(hpcd->Instance, ep->num, ep->is_in, len); |
bogdanm | 0:9b334a45a8ff | 883 | |
bogdanm | 0:9b334a45a8ff | 884 | /*Write the data to the USB endpoint*/ |
bogdanm | 0:9b334a45a8ff | 885 | if (PCD_GET_ENDPOINT(hpcd->Instance, ep->num)& USB_EP_DTOG_TX) |
bogdanm | 0:9b334a45a8ff | 886 | { |
bogdanm | 0:9b334a45a8ff | 887 | pmabuffer = ep->pmaaddr1; |
bogdanm | 0:9b334a45a8ff | 888 | } |
bogdanm | 0:9b334a45a8ff | 889 | else |
bogdanm | 0:9b334a45a8ff | 890 | { |
bogdanm | 0:9b334a45a8ff | 891 | pmabuffer = ep->pmaaddr0; |
bogdanm | 0:9b334a45a8ff | 892 | } |
bogdanm | 0:9b334a45a8ff | 893 | PCD_WritePMA(hpcd->Instance, ep->xfer_buff, pmabuffer, len); |
bogdanm | 0:9b334a45a8ff | 894 | PCD_FreeUserBuffer(hpcd->Instance, ep->num, ep->is_in); |
bogdanm | 0:9b334a45a8ff | 895 | } |
bogdanm | 0:9b334a45a8ff | 896 | |
bogdanm | 0:9b334a45a8ff | 897 | PCD_SET_EP_TX_STATUS(hpcd->Instance, ep->num, USB_EP_TX_VALID); |
bogdanm | 0:9b334a45a8ff | 898 | |
bogdanm | 0:9b334a45a8ff | 899 | __HAL_UNLOCK(hpcd); |
bogdanm | 0:9b334a45a8ff | 900 | |
bogdanm | 0:9b334a45a8ff | 901 | return HAL_OK; |
bogdanm | 0:9b334a45a8ff | 902 | } |
bogdanm | 0:9b334a45a8ff | 903 | |
bogdanm | 0:9b334a45a8ff | 904 | /** |
bogdanm | 0:9b334a45a8ff | 905 | * @brief Set a STALL condition over an endpoint |
bogdanm | 0:9b334a45a8ff | 906 | * @param hpcd: PCD handle |
bogdanm | 0:9b334a45a8ff | 907 | * @param ep_addr: endpoint address |
bogdanm | 0:9b334a45a8ff | 908 | * @retval HAL status |
bogdanm | 0:9b334a45a8ff | 909 | */ |
bogdanm | 0:9b334a45a8ff | 910 | HAL_StatusTypeDef HAL_PCD_EP_SetStall(PCD_HandleTypeDef *hpcd, uint8_t ep_addr) |
bogdanm | 0:9b334a45a8ff | 911 | { |
bogdanm | 0:9b334a45a8ff | 912 | PCD_EPTypeDef *ep; |
bogdanm | 0:9b334a45a8ff | 913 | |
bogdanm | 0:9b334a45a8ff | 914 | __HAL_LOCK(hpcd); |
bogdanm | 0:9b334a45a8ff | 915 | |
bogdanm | 0:9b334a45a8ff | 916 | if ((0x80 & ep_addr) == 0x80) |
bogdanm | 0:9b334a45a8ff | 917 | { |
bogdanm | 0:9b334a45a8ff | 918 | ep = &hpcd->IN_ep[ep_addr & 0x7F]; |
bogdanm | 0:9b334a45a8ff | 919 | } |
bogdanm | 0:9b334a45a8ff | 920 | else |
bogdanm | 0:9b334a45a8ff | 921 | { |
bogdanm | 0:9b334a45a8ff | 922 | ep = &hpcd->OUT_ep[ep_addr]; |
bogdanm | 0:9b334a45a8ff | 923 | } |
bogdanm | 0:9b334a45a8ff | 924 | |
bogdanm | 0:9b334a45a8ff | 925 | ep->is_stall = 1; |
bogdanm | 0:9b334a45a8ff | 926 | ep->num = ep_addr & 0x7F; |
bogdanm | 0:9b334a45a8ff | 927 | ep->is_in = ((ep_addr & 0x80) == 0x80); |
bogdanm | 0:9b334a45a8ff | 928 | |
bogdanm | 0:9b334a45a8ff | 929 | if (ep->num == 0) |
bogdanm | 0:9b334a45a8ff | 930 | { |
bogdanm | 0:9b334a45a8ff | 931 | /* This macro sets STALL status for RX & TX*/ |
bogdanm | 0:9b334a45a8ff | 932 | PCD_SET_EP_TXRX_STATUS(hpcd->Instance, ep->num, USB_EP_RX_STALL, USB_EP_TX_STALL); |
bogdanm | 0:9b334a45a8ff | 933 | } |
bogdanm | 0:9b334a45a8ff | 934 | else |
bogdanm | 0:9b334a45a8ff | 935 | { |
bogdanm | 0:9b334a45a8ff | 936 | if (ep->is_in) |
bogdanm | 0:9b334a45a8ff | 937 | { |
bogdanm | 0:9b334a45a8ff | 938 | PCD_SET_EP_TX_STATUS(hpcd->Instance, ep->num , USB_EP_TX_STALL); |
bogdanm | 0:9b334a45a8ff | 939 | } |
bogdanm | 0:9b334a45a8ff | 940 | else |
bogdanm | 0:9b334a45a8ff | 941 | { |
bogdanm | 0:9b334a45a8ff | 942 | PCD_SET_EP_RX_STATUS(hpcd->Instance, ep->num , USB_EP_RX_STALL); |
bogdanm | 0:9b334a45a8ff | 943 | } |
bogdanm | 0:9b334a45a8ff | 944 | } |
bogdanm | 0:9b334a45a8ff | 945 | __HAL_UNLOCK(hpcd); |
bogdanm | 0:9b334a45a8ff | 946 | |
bogdanm | 0:9b334a45a8ff | 947 | return HAL_OK; |
bogdanm | 0:9b334a45a8ff | 948 | } |
bogdanm | 0:9b334a45a8ff | 949 | |
bogdanm | 0:9b334a45a8ff | 950 | /** |
bogdanm | 0:9b334a45a8ff | 951 | * @brief Clear a STALL condition over in an endpoint |
bogdanm | 0:9b334a45a8ff | 952 | * @param hpcd: PCD handle |
bogdanm | 0:9b334a45a8ff | 953 | * @param ep_addr: endpoint address |
bogdanm | 0:9b334a45a8ff | 954 | * @retval HAL status |
bogdanm | 0:9b334a45a8ff | 955 | */ |
bogdanm | 0:9b334a45a8ff | 956 | HAL_StatusTypeDef HAL_PCD_EP_ClrStall(PCD_HandleTypeDef *hpcd, uint8_t ep_addr) |
bogdanm | 0:9b334a45a8ff | 957 | { |
bogdanm | 0:9b334a45a8ff | 958 | PCD_EPTypeDef *ep; |
bogdanm | 0:9b334a45a8ff | 959 | |
bogdanm | 0:9b334a45a8ff | 960 | if ((0x80 & ep_addr) == 0x80) |
bogdanm | 0:9b334a45a8ff | 961 | { |
bogdanm | 0:9b334a45a8ff | 962 | ep = &hpcd->IN_ep[ep_addr & 0x7F]; |
bogdanm | 0:9b334a45a8ff | 963 | } |
bogdanm | 0:9b334a45a8ff | 964 | else |
bogdanm | 0:9b334a45a8ff | 965 | { |
bogdanm | 0:9b334a45a8ff | 966 | ep = &hpcd->OUT_ep[ep_addr]; |
bogdanm | 0:9b334a45a8ff | 967 | } |
bogdanm | 0:9b334a45a8ff | 968 | |
bogdanm | 0:9b334a45a8ff | 969 | ep->is_stall = 0; |
bogdanm | 0:9b334a45a8ff | 970 | ep->num = ep_addr & 0x7F; |
bogdanm | 0:9b334a45a8ff | 971 | ep->is_in = ((ep_addr & 0x80) == 0x80); |
bogdanm | 0:9b334a45a8ff | 972 | |
bogdanm | 0:9b334a45a8ff | 973 | __HAL_LOCK(hpcd); |
bogdanm | 0:9b334a45a8ff | 974 | |
bogdanm | 0:9b334a45a8ff | 975 | if (ep->is_in) |
bogdanm | 0:9b334a45a8ff | 976 | { |
bogdanm | 0:9b334a45a8ff | 977 | PCD_CLEAR_TX_DTOG(hpcd->Instance, ep->num); |
bogdanm | 0:9b334a45a8ff | 978 | PCD_SET_EP_TX_STATUS(hpcd->Instance, ep->num, USB_EP_TX_VALID); |
bogdanm | 0:9b334a45a8ff | 979 | } |
bogdanm | 0:9b334a45a8ff | 980 | else |
bogdanm | 0:9b334a45a8ff | 981 | { |
bogdanm | 0:9b334a45a8ff | 982 | PCD_CLEAR_RX_DTOG(hpcd->Instance, ep->num); |
bogdanm | 0:9b334a45a8ff | 983 | PCD_SET_EP_RX_STATUS(hpcd->Instance, ep->num, USB_EP_RX_VALID); |
bogdanm | 0:9b334a45a8ff | 984 | } |
bogdanm | 0:9b334a45a8ff | 985 | __HAL_UNLOCK(hpcd); |
bogdanm | 0:9b334a45a8ff | 986 | |
bogdanm | 0:9b334a45a8ff | 987 | return HAL_OK; |
bogdanm | 0:9b334a45a8ff | 988 | } |
bogdanm | 0:9b334a45a8ff | 989 | |
bogdanm | 0:9b334a45a8ff | 990 | /** |
bogdanm | 0:9b334a45a8ff | 991 | * @brief Flush an endpoint |
bogdanm | 0:9b334a45a8ff | 992 | * @param hpcd: PCD handle |
bogdanm | 0:9b334a45a8ff | 993 | * @param ep_addr: endpoint address |
bogdanm | 0:9b334a45a8ff | 994 | * @retval HAL status |
bogdanm | 0:9b334a45a8ff | 995 | */ |
bogdanm | 0:9b334a45a8ff | 996 | HAL_StatusTypeDef HAL_PCD_EP_Flush(PCD_HandleTypeDef *hpcd, uint8_t ep_addr) |
bogdanm | 0:9b334a45a8ff | 997 | { |
bogdanm | 0:9b334a45a8ff | 998 | return HAL_OK; |
bogdanm | 0:9b334a45a8ff | 999 | } |
bogdanm | 0:9b334a45a8ff | 1000 | |
bogdanm | 0:9b334a45a8ff | 1001 | /** |
bogdanm | 0:9b334a45a8ff | 1002 | * @brief HAL_PCD_ActiveRemoteWakeup : active remote wakeup signalling |
bogdanm | 0:9b334a45a8ff | 1003 | * @param hpcd: PCD handle |
bogdanm | 0:9b334a45a8ff | 1004 | * @retval status |
bogdanm | 0:9b334a45a8ff | 1005 | */ |
bogdanm | 0:9b334a45a8ff | 1006 | HAL_StatusTypeDef HAL_PCD_ActiveRemoteWakeup(PCD_HandleTypeDef *hpcd) |
bogdanm | 0:9b334a45a8ff | 1007 | { |
bogdanm | 0:9b334a45a8ff | 1008 | hpcd->Instance->CNTR |= USB_CNTR_RESUME; |
bogdanm | 0:9b334a45a8ff | 1009 | return HAL_OK; |
bogdanm | 0:9b334a45a8ff | 1010 | } |
bogdanm | 0:9b334a45a8ff | 1011 | |
bogdanm | 0:9b334a45a8ff | 1012 | /** |
bogdanm | 0:9b334a45a8ff | 1013 | * @brief HAL_PCD_DeActiveRemoteWakeup : de-active remote wakeup signalling |
bogdanm | 0:9b334a45a8ff | 1014 | * @param hpcd: PCD handle |
bogdanm | 0:9b334a45a8ff | 1015 | * @retval status |
bogdanm | 0:9b334a45a8ff | 1016 | */ |
bogdanm | 0:9b334a45a8ff | 1017 | HAL_StatusTypeDef HAL_PCD_DeActiveRemoteWakeup(PCD_HandleTypeDef *hpcd) |
bogdanm | 0:9b334a45a8ff | 1018 | { |
bogdanm | 0:9b334a45a8ff | 1019 | hpcd->Instance->CNTR &= ~(USB_CNTR_RESUME); |
bogdanm | 0:9b334a45a8ff | 1020 | return HAL_OK; |
bogdanm | 0:9b334a45a8ff | 1021 | } |
bogdanm | 0:9b334a45a8ff | 1022 | |
bogdanm | 0:9b334a45a8ff | 1023 | /** |
bogdanm | 0:9b334a45a8ff | 1024 | * @} |
bogdanm | 0:9b334a45a8ff | 1025 | */ |
bogdanm | 0:9b334a45a8ff | 1026 | |
bogdanm | 0:9b334a45a8ff | 1027 | /** @defgroup PCD_Exported_Functions_Group4 Peripheral State functions |
bogdanm | 0:9b334a45a8ff | 1028 | * @brief Peripheral State functions |
bogdanm | 0:9b334a45a8ff | 1029 | * |
bogdanm | 0:9b334a45a8ff | 1030 | @verbatim |
bogdanm | 0:9b334a45a8ff | 1031 | =============================================================================== |
bogdanm | 0:9b334a45a8ff | 1032 | ##### Peripheral State functions ##### |
bogdanm | 0:9b334a45a8ff | 1033 | =============================================================================== |
bogdanm | 0:9b334a45a8ff | 1034 | [..] |
bogdanm | 0:9b334a45a8ff | 1035 | This subsection permit to get in run-time the status of the peripheral |
bogdanm | 0:9b334a45a8ff | 1036 | and the data flow. |
bogdanm | 0:9b334a45a8ff | 1037 | |
bogdanm | 0:9b334a45a8ff | 1038 | @endverbatim |
bogdanm | 0:9b334a45a8ff | 1039 | * @{ |
bogdanm | 0:9b334a45a8ff | 1040 | */ |
bogdanm | 0:9b334a45a8ff | 1041 | |
bogdanm | 0:9b334a45a8ff | 1042 | |
bogdanm | 0:9b334a45a8ff | 1043 | /** |
bogdanm | 0:9b334a45a8ff | 1044 | * @brief Return the PCD state |
bogdanm | 0:9b334a45a8ff | 1045 | * @param hpcd : PCD handle |
bogdanm | 0:9b334a45a8ff | 1046 | * @retval HAL state |
bogdanm | 0:9b334a45a8ff | 1047 | */ |
bogdanm | 0:9b334a45a8ff | 1048 | PCD_StateTypeDef HAL_PCD_GetState(PCD_HandleTypeDef *hpcd) |
bogdanm | 0:9b334a45a8ff | 1049 | { |
bogdanm | 0:9b334a45a8ff | 1050 | return hpcd->State; |
bogdanm | 0:9b334a45a8ff | 1051 | } |
bogdanm | 0:9b334a45a8ff | 1052 | |
bogdanm | 0:9b334a45a8ff | 1053 | |
bogdanm | 0:9b334a45a8ff | 1054 | /** |
bogdanm | 0:9b334a45a8ff | 1055 | * @brief Software Device Connection |
bogdanm | 0:9b334a45a8ff | 1056 | * @param hpcd: PCD handle |
bogdanm | 0:9b334a45a8ff | 1057 | * @param state: Device state |
bogdanm | 0:9b334a45a8ff | 1058 | * @retval None |
bogdanm | 0:9b334a45a8ff | 1059 | */ |
bogdanm | 0:9b334a45a8ff | 1060 | __weak void HAL_PCDEx_SetConnectionState(PCD_HandleTypeDef *hpcd, uint8_t state) |
bogdanm | 0:9b334a45a8ff | 1061 | { |
bogdanm | 0:9b334a45a8ff | 1062 | /* NOTE : This function Should not be modified, when the callback is needed, |
bogdanm | 0:9b334a45a8ff | 1063 | the HAL_PCDEx_SetConnectionState could be implenetd in the user file |
bogdanm | 0:9b334a45a8ff | 1064 | */ |
bogdanm | 0:9b334a45a8ff | 1065 | } |
bogdanm | 0:9b334a45a8ff | 1066 | |
bogdanm | 0:9b334a45a8ff | 1067 | /** |
bogdanm | 0:9b334a45a8ff | 1068 | * @} |
bogdanm | 0:9b334a45a8ff | 1069 | */ |
bogdanm | 0:9b334a45a8ff | 1070 | |
bogdanm | 0:9b334a45a8ff | 1071 | /** |
bogdanm | 0:9b334a45a8ff | 1072 | * @} |
bogdanm | 0:9b334a45a8ff | 1073 | */ |
bogdanm | 0:9b334a45a8ff | 1074 | |
bogdanm | 0:9b334a45a8ff | 1075 | /** @addtogroup PCD_Private_Functions |
bogdanm | 0:9b334a45a8ff | 1076 | * @{ |
bogdanm | 0:9b334a45a8ff | 1077 | */ |
bogdanm | 0:9b334a45a8ff | 1078 | |
bogdanm | 0:9b334a45a8ff | 1079 | |
bogdanm | 0:9b334a45a8ff | 1080 | /** |
bogdanm | 0:9b334a45a8ff | 1081 | * @brief This function handles PCD Endpoint interrupt request. |
bogdanm | 0:9b334a45a8ff | 1082 | * @param hpcd: PCD handle |
bogdanm | 0:9b334a45a8ff | 1083 | * @retval HAL status |
bogdanm | 0:9b334a45a8ff | 1084 | */ |
bogdanm | 0:9b334a45a8ff | 1085 | static HAL_StatusTypeDef PCD_EP_ISR_Handler(PCD_HandleTypeDef *hpcd) |
bogdanm | 0:9b334a45a8ff | 1086 | { |
bogdanm | 0:9b334a45a8ff | 1087 | PCD_EPTypeDef *ep; |
bogdanm | 0:9b334a45a8ff | 1088 | uint16_t count=0; |
bogdanm | 0:9b334a45a8ff | 1089 | uint8_t EPindex; |
bogdanm | 0:9b334a45a8ff | 1090 | __IO uint16_t wIstr; |
bogdanm | 0:9b334a45a8ff | 1091 | __IO uint16_t wEPVal = 0; |
bogdanm | 0:9b334a45a8ff | 1092 | |
bogdanm | 0:9b334a45a8ff | 1093 | /* stay in loop while pending interrupts */ |
bogdanm | 0:9b334a45a8ff | 1094 | while (((wIstr = hpcd->Instance->ISTR) & USB_ISTR_CTR) != 0) |
bogdanm | 0:9b334a45a8ff | 1095 | { |
bogdanm | 0:9b334a45a8ff | 1096 | /* extract highest priority endpoint number */ |
bogdanm | 0:9b334a45a8ff | 1097 | EPindex = (uint8_t)(wIstr & USB_ISTR_EP_ID); |
bogdanm | 0:9b334a45a8ff | 1098 | |
bogdanm | 0:9b334a45a8ff | 1099 | if (EPindex == 0) |
bogdanm | 0:9b334a45a8ff | 1100 | { |
bogdanm | 0:9b334a45a8ff | 1101 | /* Decode and service control endpoint interrupt */ |
bogdanm | 0:9b334a45a8ff | 1102 | |
bogdanm | 0:9b334a45a8ff | 1103 | /* DIR bit = origin of the interrupt */ |
bogdanm | 0:9b334a45a8ff | 1104 | if ((wIstr & USB_ISTR_DIR) == 0) |
bogdanm | 0:9b334a45a8ff | 1105 | { |
bogdanm | 0:9b334a45a8ff | 1106 | /* DIR = 0 */ |
bogdanm | 0:9b334a45a8ff | 1107 | |
bogdanm | 0:9b334a45a8ff | 1108 | /* DIR = 0 => IN int */ |
bogdanm | 0:9b334a45a8ff | 1109 | /* DIR = 0 implies that (EP_CTR_TX = 1) always */ |
bogdanm | 0:9b334a45a8ff | 1110 | PCD_CLEAR_TX_EP_CTR(hpcd->Instance, PCD_ENDP0); |
bogdanm | 0:9b334a45a8ff | 1111 | ep = &hpcd->IN_ep[0]; |
bogdanm | 0:9b334a45a8ff | 1112 | |
bogdanm | 0:9b334a45a8ff | 1113 | ep->xfer_count = PCD_GET_EP_TX_CNT(hpcd->Instance, ep->num); |
bogdanm | 0:9b334a45a8ff | 1114 | ep->xfer_buff += ep->xfer_count; |
bogdanm | 0:9b334a45a8ff | 1115 | |
bogdanm | 0:9b334a45a8ff | 1116 | /* TX COMPLETE */ |
bogdanm | 0:9b334a45a8ff | 1117 | HAL_PCD_DataInStageCallback(hpcd, 0); |
bogdanm | 0:9b334a45a8ff | 1118 | |
bogdanm | 0:9b334a45a8ff | 1119 | |
bogdanm | 0:9b334a45a8ff | 1120 | if((hpcd->USB_Address > 0)&& ( ep->xfer_len == 0)) |
bogdanm | 0:9b334a45a8ff | 1121 | { |
bogdanm | 0:9b334a45a8ff | 1122 | hpcd->Instance->DADDR = (hpcd->USB_Address | USB_DADDR_EF); |
bogdanm | 0:9b334a45a8ff | 1123 | hpcd->USB_Address = 0; |
bogdanm | 0:9b334a45a8ff | 1124 | } |
bogdanm | 0:9b334a45a8ff | 1125 | |
bogdanm | 0:9b334a45a8ff | 1126 | } |
bogdanm | 0:9b334a45a8ff | 1127 | else |
bogdanm | 0:9b334a45a8ff | 1128 | { |
bogdanm | 0:9b334a45a8ff | 1129 | /* DIR = 1 */ |
bogdanm | 0:9b334a45a8ff | 1130 | |
bogdanm | 0:9b334a45a8ff | 1131 | /* DIR = 1 & CTR_RX => SETUP or OUT int */ |
bogdanm | 0:9b334a45a8ff | 1132 | /* DIR = 1 & (CTR_TX | CTR_RX) => 2 int pending */ |
bogdanm | 0:9b334a45a8ff | 1133 | ep = &hpcd->OUT_ep[0]; |
bogdanm | 0:9b334a45a8ff | 1134 | wEPVal = PCD_GET_ENDPOINT(hpcd->Instance, PCD_ENDP0); |
bogdanm | 0:9b334a45a8ff | 1135 | |
bogdanm | 0:9b334a45a8ff | 1136 | if ((wEPVal & USB_EP_SETUP) != 0) |
bogdanm | 0:9b334a45a8ff | 1137 | { |
bogdanm | 0:9b334a45a8ff | 1138 | /* Get SETUP Packet*/ |
bogdanm | 0:9b334a45a8ff | 1139 | ep->xfer_count = PCD_GET_EP_RX_CNT(hpcd->Instance, ep->num); |
bogdanm | 0:9b334a45a8ff | 1140 | PCD_ReadPMA(hpcd->Instance, (uint8_t*)hpcd->Setup ,ep->pmaadress , ep->xfer_count); |
bogdanm | 0:9b334a45a8ff | 1141 | /* SETUP bit kept frozen while CTR_RX = 1*/ |
bogdanm | 0:9b334a45a8ff | 1142 | PCD_CLEAR_RX_EP_CTR(hpcd->Instance, PCD_ENDP0); |
bogdanm | 0:9b334a45a8ff | 1143 | |
bogdanm | 0:9b334a45a8ff | 1144 | /* Process SETUP Packet*/ |
bogdanm | 0:9b334a45a8ff | 1145 | HAL_PCD_SetupStageCallback(hpcd); |
bogdanm | 0:9b334a45a8ff | 1146 | } |
bogdanm | 0:9b334a45a8ff | 1147 | |
bogdanm | 0:9b334a45a8ff | 1148 | else if ((wEPVal & USB_EP_CTR_RX) != 0) |
bogdanm | 0:9b334a45a8ff | 1149 | { |
bogdanm | 0:9b334a45a8ff | 1150 | PCD_CLEAR_RX_EP_CTR(hpcd->Instance, PCD_ENDP0); |
bogdanm | 0:9b334a45a8ff | 1151 | /* Get Control Data OUT Packet*/ |
bogdanm | 0:9b334a45a8ff | 1152 | ep->xfer_count = PCD_GET_EP_RX_CNT(hpcd->Instance, ep->num); |
bogdanm | 0:9b334a45a8ff | 1153 | |
bogdanm | 0:9b334a45a8ff | 1154 | if (ep->xfer_count != 0) |
bogdanm | 0:9b334a45a8ff | 1155 | { |
bogdanm | 0:9b334a45a8ff | 1156 | PCD_ReadPMA(hpcd->Instance, ep->xfer_buff, ep->pmaadress, ep->xfer_count); |
bogdanm | 0:9b334a45a8ff | 1157 | ep->xfer_buff+=ep->xfer_count; |
bogdanm | 0:9b334a45a8ff | 1158 | } |
bogdanm | 0:9b334a45a8ff | 1159 | |
bogdanm | 0:9b334a45a8ff | 1160 | /* Process Control Data OUT Packet*/ |
bogdanm | 0:9b334a45a8ff | 1161 | HAL_PCD_DataOutStageCallback(hpcd, 0); |
bogdanm | 0:9b334a45a8ff | 1162 | |
bogdanm | 0:9b334a45a8ff | 1163 | PCD_SET_EP_RX_CNT(hpcd->Instance, PCD_ENDP0, ep->maxpacket); |
bogdanm | 0:9b334a45a8ff | 1164 | PCD_SET_EP_RX_STATUS(hpcd->Instance, PCD_ENDP0, USB_EP_RX_VALID); |
bogdanm | 0:9b334a45a8ff | 1165 | } |
bogdanm | 0:9b334a45a8ff | 1166 | } |
bogdanm | 0:9b334a45a8ff | 1167 | } |
bogdanm | 0:9b334a45a8ff | 1168 | else |
bogdanm | 0:9b334a45a8ff | 1169 | { |
bogdanm | 0:9b334a45a8ff | 1170 | |
bogdanm | 0:9b334a45a8ff | 1171 | /* Decode and service non control endpoints interrupt */ |
bogdanm | 0:9b334a45a8ff | 1172 | |
bogdanm | 0:9b334a45a8ff | 1173 | /* process related endpoint register */ |
bogdanm | 0:9b334a45a8ff | 1174 | wEPVal = PCD_GET_ENDPOINT(hpcd->Instance, EPindex); |
bogdanm | 0:9b334a45a8ff | 1175 | if ((wEPVal & USB_EP_CTR_RX) != 0) |
bogdanm | 0:9b334a45a8ff | 1176 | { |
bogdanm | 0:9b334a45a8ff | 1177 | /* clear int flag */ |
bogdanm | 0:9b334a45a8ff | 1178 | PCD_CLEAR_RX_EP_CTR(hpcd->Instance, EPindex); |
bogdanm | 0:9b334a45a8ff | 1179 | ep = &hpcd->OUT_ep[EPindex]; |
bogdanm | 0:9b334a45a8ff | 1180 | |
bogdanm | 0:9b334a45a8ff | 1181 | /* OUT double Buffering*/ |
bogdanm | 0:9b334a45a8ff | 1182 | if (ep->doublebuffer == 0) |
bogdanm | 0:9b334a45a8ff | 1183 | { |
bogdanm | 0:9b334a45a8ff | 1184 | count = PCD_GET_EP_RX_CNT(hpcd->Instance, ep->num); |
bogdanm | 0:9b334a45a8ff | 1185 | if (count != 0) |
bogdanm | 0:9b334a45a8ff | 1186 | { |
bogdanm | 0:9b334a45a8ff | 1187 | PCD_ReadPMA(hpcd->Instance, ep->xfer_buff, ep->pmaadress, count); |
bogdanm | 0:9b334a45a8ff | 1188 | } |
bogdanm | 0:9b334a45a8ff | 1189 | } |
bogdanm | 0:9b334a45a8ff | 1190 | else |
bogdanm | 0:9b334a45a8ff | 1191 | { |
bogdanm | 0:9b334a45a8ff | 1192 | if (PCD_GET_ENDPOINT(hpcd->Instance, ep->num) & USB_EP_DTOG_RX) |
bogdanm | 0:9b334a45a8ff | 1193 | { |
bogdanm | 0:9b334a45a8ff | 1194 | /*read from endpoint BUF0Addr buffer*/ |
bogdanm | 0:9b334a45a8ff | 1195 | count = PCD_GET_EP_DBUF0_CNT(hpcd->Instance, ep->num); |
bogdanm | 0:9b334a45a8ff | 1196 | if (count != 0) |
bogdanm | 0:9b334a45a8ff | 1197 | { |
bogdanm | 0:9b334a45a8ff | 1198 | PCD_ReadPMA(hpcd->Instance, ep->xfer_buff, ep->pmaaddr0, count); |
bogdanm | 0:9b334a45a8ff | 1199 | } |
bogdanm | 0:9b334a45a8ff | 1200 | } |
bogdanm | 0:9b334a45a8ff | 1201 | else |
bogdanm | 0:9b334a45a8ff | 1202 | { |
bogdanm | 0:9b334a45a8ff | 1203 | /*read from endpoint BUF1Addr buffer*/ |
bogdanm | 0:9b334a45a8ff | 1204 | count = PCD_GET_EP_DBUF1_CNT(hpcd->Instance, ep->num); |
bogdanm | 0:9b334a45a8ff | 1205 | if (count != 0) |
bogdanm | 0:9b334a45a8ff | 1206 | { |
bogdanm | 0:9b334a45a8ff | 1207 | PCD_ReadPMA(hpcd->Instance, ep->xfer_buff, ep->pmaaddr1, count); |
bogdanm | 0:9b334a45a8ff | 1208 | } |
bogdanm | 0:9b334a45a8ff | 1209 | } |
bogdanm | 0:9b334a45a8ff | 1210 | PCD_FreeUserBuffer(hpcd->Instance, ep->num, PCD_EP_DBUF_OUT); |
bogdanm | 0:9b334a45a8ff | 1211 | } |
bogdanm | 0:9b334a45a8ff | 1212 | /*multi-packet on the NON control OUT endpoint*/ |
bogdanm | 0:9b334a45a8ff | 1213 | ep->xfer_count+=count; |
bogdanm | 0:9b334a45a8ff | 1214 | ep->xfer_buff+=count; |
bogdanm | 0:9b334a45a8ff | 1215 | |
bogdanm | 0:9b334a45a8ff | 1216 | if ((ep->xfer_len == 0) || (count < ep->maxpacket)) |
bogdanm | 0:9b334a45a8ff | 1217 | { |
bogdanm | 0:9b334a45a8ff | 1218 | /* RX COMPLETE */ |
bogdanm | 0:9b334a45a8ff | 1219 | HAL_PCD_DataOutStageCallback(hpcd, ep->num); |
bogdanm | 0:9b334a45a8ff | 1220 | } |
bogdanm | 0:9b334a45a8ff | 1221 | else |
bogdanm | 0:9b334a45a8ff | 1222 | { |
bogdanm | 0:9b334a45a8ff | 1223 | HAL_PCD_EP_Receive(hpcd, ep->num, ep->xfer_buff, ep->xfer_len); |
bogdanm | 0:9b334a45a8ff | 1224 | } |
bogdanm | 0:9b334a45a8ff | 1225 | |
bogdanm | 0:9b334a45a8ff | 1226 | } /* if((wEPVal & EP_CTR_RX) */ |
bogdanm | 0:9b334a45a8ff | 1227 | |
bogdanm | 0:9b334a45a8ff | 1228 | if ((wEPVal & USB_EP_CTR_TX) != 0) |
bogdanm | 0:9b334a45a8ff | 1229 | { |
bogdanm | 0:9b334a45a8ff | 1230 | ep = &hpcd->IN_ep[EPindex]; |
bogdanm | 0:9b334a45a8ff | 1231 | |
bogdanm | 0:9b334a45a8ff | 1232 | /* clear int flag */ |
bogdanm | 0:9b334a45a8ff | 1233 | PCD_CLEAR_TX_EP_CTR(hpcd->Instance, EPindex); |
bogdanm | 0:9b334a45a8ff | 1234 | |
bogdanm | 0:9b334a45a8ff | 1235 | /* IN double Buffering*/ |
bogdanm | 0:9b334a45a8ff | 1236 | if (ep->doublebuffer == 0) |
bogdanm | 0:9b334a45a8ff | 1237 | { |
bogdanm | 0:9b334a45a8ff | 1238 | ep->xfer_count = PCD_GET_EP_TX_CNT(hpcd->Instance, ep->num); |
bogdanm | 0:9b334a45a8ff | 1239 | if (ep->xfer_count != 0) |
bogdanm | 0:9b334a45a8ff | 1240 | { |
bogdanm | 0:9b334a45a8ff | 1241 | PCD_WritePMA(hpcd->Instance, ep->xfer_buff, ep->pmaadress, ep->xfer_count); |
bogdanm | 0:9b334a45a8ff | 1242 | } |
bogdanm | 0:9b334a45a8ff | 1243 | } |
bogdanm | 0:9b334a45a8ff | 1244 | else |
bogdanm | 0:9b334a45a8ff | 1245 | { |
bogdanm | 0:9b334a45a8ff | 1246 | if (PCD_GET_ENDPOINT(hpcd->Instance, ep->num) & USB_EP_DTOG_TX) |
bogdanm | 0:9b334a45a8ff | 1247 | { |
bogdanm | 0:9b334a45a8ff | 1248 | /*read from endpoint BUF0Addr buffer*/ |
bogdanm | 0:9b334a45a8ff | 1249 | ep->xfer_count = PCD_GET_EP_DBUF0_CNT(hpcd->Instance, ep->num); |
bogdanm | 0:9b334a45a8ff | 1250 | if (ep->xfer_count != 0) |
bogdanm | 0:9b334a45a8ff | 1251 | { |
bogdanm | 0:9b334a45a8ff | 1252 | PCD_WritePMA(hpcd->Instance, ep->xfer_buff, ep->pmaaddr0, ep->xfer_count); |
bogdanm | 0:9b334a45a8ff | 1253 | } |
bogdanm | 0:9b334a45a8ff | 1254 | } |
bogdanm | 0:9b334a45a8ff | 1255 | else |
bogdanm | 0:9b334a45a8ff | 1256 | { |
bogdanm | 0:9b334a45a8ff | 1257 | /*read from endpoint BUF1Addr buffer*/ |
bogdanm | 0:9b334a45a8ff | 1258 | ep->xfer_count = PCD_GET_EP_DBUF1_CNT(hpcd->Instance, ep->num); |
bogdanm | 0:9b334a45a8ff | 1259 | if (ep->xfer_count != 0) |
bogdanm | 0:9b334a45a8ff | 1260 | { |
bogdanm | 0:9b334a45a8ff | 1261 | PCD_WritePMA(hpcd->Instance, ep->xfer_buff, ep->pmaaddr1, ep->xfer_count); |
bogdanm | 0:9b334a45a8ff | 1262 | } |
bogdanm | 0:9b334a45a8ff | 1263 | } |
bogdanm | 0:9b334a45a8ff | 1264 | PCD_FreeUserBuffer(hpcd->Instance, ep->num, PCD_EP_DBUF_IN); |
bogdanm | 0:9b334a45a8ff | 1265 | } |
bogdanm | 0:9b334a45a8ff | 1266 | /*multi-packet on the NON control IN endpoint*/ |
bogdanm | 0:9b334a45a8ff | 1267 | ep->xfer_count = PCD_GET_EP_TX_CNT(hpcd->Instance, ep->num); |
bogdanm | 0:9b334a45a8ff | 1268 | ep->xfer_buff+=ep->xfer_count; |
bogdanm | 0:9b334a45a8ff | 1269 | |
bogdanm | 0:9b334a45a8ff | 1270 | /* Zero Length Packet? */ |
bogdanm | 0:9b334a45a8ff | 1271 | if (ep->xfer_len == 0) |
bogdanm | 0:9b334a45a8ff | 1272 | { |
bogdanm | 0:9b334a45a8ff | 1273 | /* TX COMPLETE */ |
bogdanm | 0:9b334a45a8ff | 1274 | HAL_PCD_DataInStageCallback(hpcd, ep->num); |
bogdanm | 0:9b334a45a8ff | 1275 | } |
bogdanm | 0:9b334a45a8ff | 1276 | else |
bogdanm | 0:9b334a45a8ff | 1277 | { |
bogdanm | 0:9b334a45a8ff | 1278 | HAL_PCD_EP_Transmit(hpcd, ep->num, ep->xfer_buff, ep->xfer_len); |
bogdanm | 0:9b334a45a8ff | 1279 | } |
bogdanm | 0:9b334a45a8ff | 1280 | } |
bogdanm | 0:9b334a45a8ff | 1281 | } |
bogdanm | 0:9b334a45a8ff | 1282 | } |
bogdanm | 0:9b334a45a8ff | 1283 | return HAL_OK; |
bogdanm | 0:9b334a45a8ff | 1284 | } |
bogdanm | 0:9b334a45a8ff | 1285 | |
bogdanm | 0:9b334a45a8ff | 1286 | /** |
bogdanm | 0:9b334a45a8ff | 1287 | * @brief Copy a buffer from user memory area to packet memory area (PMA) |
bogdanm | 0:9b334a45a8ff | 1288 | * @param USBx = pointer to USB register. |
bogdanm | 0:9b334a45a8ff | 1289 | * @param pbUsrBuf: pointer to user memory area. |
bogdanm | 0:9b334a45a8ff | 1290 | * @param wPMABufAddr: address into PMA. |
bogdanm | 0:9b334a45a8ff | 1291 | * @param wNBytes: no. of bytes to be copied. |
bogdanm | 0:9b334a45a8ff | 1292 | * @retval None |
bogdanm | 0:9b334a45a8ff | 1293 | */ |
bogdanm | 0:9b334a45a8ff | 1294 | static void PCD_WritePMA(USB_TypeDef *USBx, uint8_t *pbUsrBuf, uint16_t wPMABufAddr, uint16_t wNBytes) |
bogdanm | 0:9b334a45a8ff | 1295 | { |
bogdanm | 0:9b334a45a8ff | 1296 | uint32_t n = (wNBytes + 1) >> 1; /* n = (wNBytes + 1) / 2 */ |
bogdanm | 0:9b334a45a8ff | 1297 | uint32_t i, temp1, temp2; |
bogdanm | 0:9b334a45a8ff | 1298 | uint16_t *pdwVal; |
bogdanm | 0:9b334a45a8ff | 1299 | pdwVal = (uint16_t *)(wPMABufAddr * 2 + (uint32_t)USBx + 0x400); |
bogdanm | 0:9b334a45a8ff | 1300 | for (i = n; i != 0; i--) |
bogdanm | 0:9b334a45a8ff | 1301 | { |
bogdanm | 0:9b334a45a8ff | 1302 | temp1 = (uint16_t) * pbUsrBuf; |
bogdanm | 0:9b334a45a8ff | 1303 | pbUsrBuf++; |
bogdanm | 0:9b334a45a8ff | 1304 | temp2 = temp1 | (uint16_t) * pbUsrBuf << 8; |
bogdanm | 0:9b334a45a8ff | 1305 | *pdwVal++ = temp2; |
bogdanm | 0:9b334a45a8ff | 1306 | pdwVal++; |
bogdanm | 0:9b334a45a8ff | 1307 | pbUsrBuf++; |
bogdanm | 0:9b334a45a8ff | 1308 | } |
bogdanm | 0:9b334a45a8ff | 1309 | } |
bogdanm | 0:9b334a45a8ff | 1310 | |
bogdanm | 0:9b334a45a8ff | 1311 | /** |
bogdanm | 0:9b334a45a8ff | 1312 | * @brief Copy a buffer from user memory area to packet memory area (PMA) |
bogdanm | 0:9b334a45a8ff | 1313 | * @param USBx = pointer to USB register. |
bogdanm | 0:9b334a45a8ff | 1314 | * @param pbUsrBuf = pointer to user memory area. |
bogdanm | 0:9b334a45a8ff | 1315 | * @param wPMABufAddr: address into PMA. |
bogdanm | 0:9b334a45a8ff | 1316 | * @param wNBytes: no. of bytes to be copied. |
bogdanm | 0:9b334a45a8ff | 1317 | * @retval None |
bogdanm | 0:9b334a45a8ff | 1318 | */ |
bogdanm | 0:9b334a45a8ff | 1319 | static void PCD_ReadPMA(USB_TypeDef *USBx, uint8_t *pbUsrBuf, uint16_t wPMABufAddr, uint16_t wNBytes) |
bogdanm | 0:9b334a45a8ff | 1320 | { |
bogdanm | 0:9b334a45a8ff | 1321 | uint32_t n = (wNBytes + 1) >> 1;/* /2*/ |
bogdanm | 0:9b334a45a8ff | 1322 | uint32_t i; |
bogdanm | 0:9b334a45a8ff | 1323 | uint32_t *pdwVal; |
bogdanm | 0:9b334a45a8ff | 1324 | pdwVal = (uint32_t *)(wPMABufAddr * 2 + (uint32_t)USBx + 0x400); |
bogdanm | 0:9b334a45a8ff | 1325 | for (i = n; i != 0; i--) |
bogdanm | 0:9b334a45a8ff | 1326 | { |
bogdanm | 0:9b334a45a8ff | 1327 | *(uint16_t*)pbUsrBuf++ = *pdwVal++; |
bogdanm | 0:9b334a45a8ff | 1328 | pbUsrBuf++; |
bogdanm | 0:9b334a45a8ff | 1329 | } |
bogdanm | 0:9b334a45a8ff | 1330 | } |
bogdanm | 0:9b334a45a8ff | 1331 | |
bogdanm | 0:9b334a45a8ff | 1332 | /** |
bogdanm | 0:9b334a45a8ff | 1333 | * @} |
bogdanm | 0:9b334a45a8ff | 1334 | */ |
bogdanm | 0:9b334a45a8ff | 1335 | |
bogdanm | 0:9b334a45a8ff | 1336 | #endif /* HAL_PCD_MODULE_ENABLED */ |
bogdanm | 0:9b334a45a8ff | 1337 | /** |
bogdanm | 0:9b334a45a8ff | 1338 | * @} |
bogdanm | 0:9b334a45a8ff | 1339 | */ |
bogdanm | 0:9b334a45a8ff | 1340 | |
bogdanm | 0:9b334a45a8ff | 1341 | /** |
bogdanm | 0:9b334a45a8ff | 1342 | * @} |
bogdanm | 0:9b334a45a8ff | 1343 | */ |
bogdanm | 0:9b334a45a8ff | 1344 | |
bogdanm | 0:9b334a45a8ff | 1345 | /************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/ |