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HAL_L476/stm32l4xx_hal_pcd_ex.c@1:d0dfbce63a89, 2017-02-24 (annotated)

Committer:
elmot
Date:
Fri Feb 24 21:13:56 2017 +0000
Revision:
1:d0dfbce63a89
Ready-to-copy

Who changed what in which revision?

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elmot 1:d0dfbce63a89 1 /**
elmot 1:d0dfbce63a89 2 ******************************************************************************
elmot 1:d0dfbce63a89 3 * @file stm32l4xx_hal_pcd_ex.c
elmot 1:d0dfbce63a89 4 * @author MCD Application Team
elmot 1:d0dfbce63a89 5 * @version V1.5.1
elmot 1:d0dfbce63a89 6 * @date 31-May-2016
elmot 1:d0dfbce63a89 7 * @brief PCD Extended HAL module driver.
elmot 1:d0dfbce63a89 8 * This file provides firmware functions to manage the following
elmot 1:d0dfbce63a89 9 * functionalities of the USB Peripheral Controller:
elmot 1:d0dfbce63a89 10 * + Extended features functions
elmot 1:d0dfbce63a89 11 *
elmot 1:d0dfbce63a89 12 ******************************************************************************
elmot 1:d0dfbce63a89 13 * @attention
elmot 1:d0dfbce63a89 14 *
elmot 1:d0dfbce63a89 15 * <h2><center>&copy; COPYRIGHT(c) 2016 STMicroelectronics</center></h2>
elmot 1:d0dfbce63a89 16 *
elmot 1:d0dfbce63a89 17 * Redistribution and use in source and binary forms, with or without modification,
elmot 1:d0dfbce63a89 18 * are permitted provided that the following conditions are met:
elmot 1:d0dfbce63a89 19 * 1. Redistributions of source code must retain the above copyright notice,
elmot 1:d0dfbce63a89 20 * this list of conditions and the following disclaimer.
elmot 1:d0dfbce63a89 21 * 2. Redistributions in binary form must reproduce the above copyright notice,
elmot 1:d0dfbce63a89 22 * this list of conditions and the following disclaimer in the documentation
elmot 1:d0dfbce63a89 23 * and/or other materials provided with the distribution.
elmot 1:d0dfbce63a89 24 * 3. Neither the name of STMicroelectronics nor the names of its contributors
elmot 1:d0dfbce63a89 25 * may be used to endorse or promote products derived from this software
elmot 1:d0dfbce63a89 26 * without specific prior written permission.
elmot 1:d0dfbce63a89 27 *
elmot 1:d0dfbce63a89 28 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
elmot 1:d0dfbce63a89 29 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
elmot 1:d0dfbce63a89 30 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
elmot 1:d0dfbce63a89 31 * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
elmot 1:d0dfbce63a89 32 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
elmot 1:d0dfbce63a89 33 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
elmot 1:d0dfbce63a89 34 * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
elmot 1:d0dfbce63a89 35 * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
elmot 1:d0dfbce63a89 36 * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
elmot 1:d0dfbce63a89 37 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
elmot 1:d0dfbce63a89 38 *
elmot 1:d0dfbce63a89 39 ******************************************************************************
elmot 1:d0dfbce63a89 40 */
elmot 1:d0dfbce63a89 41
elmot 1:d0dfbce63a89 42 /* Includes ------------------------------------------------------------------*/
elmot 1:d0dfbce63a89 43 #include "stm32l4xx_hal.h"
elmot 1:d0dfbce63a89 44
elmot 1:d0dfbce63a89 45 /** @addtogroup STM32L4xx_HAL_Driver
elmot 1:d0dfbce63a89 46 * @{
elmot 1:d0dfbce63a89 47 */
elmot 1:d0dfbce63a89 48 #ifdef HAL_PCD_MODULE_ENABLED
elmot 1:d0dfbce63a89 49
elmot 1:d0dfbce63a89 50 #if defined(STM32L475xx) || defined(STM32L476xx) || \
elmot 1:d0dfbce63a89 51 defined(STM32L485xx) || defined(STM32L486xx) || \
elmot 1:d0dfbce63a89 52 defined(STM32L432xx) || defined(STM32L433xx) || \
elmot 1:d0dfbce63a89 53 defined(STM32L442xx) || defined(STM32L443xx)
elmot 1:d0dfbce63a89 54
elmot 1:d0dfbce63a89 55
elmot 1:d0dfbce63a89 56 /** @defgroup PCDEx PCDEx
elmot 1:d0dfbce63a89 57 * @brief PCD Extended HAL module driver
elmot 1:d0dfbce63a89 58 * @{
elmot 1:d0dfbce63a89 59 */
elmot 1:d0dfbce63a89 60
elmot 1:d0dfbce63a89 61 /* Private types -------------------------------------------------------------*/
elmot 1:d0dfbce63a89 62 /* Private variables ---------------------------------------------------------*/
elmot 1:d0dfbce63a89 63 /* Private constants ---------------------------------------------------------*/
elmot 1:d0dfbce63a89 64 /* Private macros ------------------------------------------------------------*/
elmot 1:d0dfbce63a89 65 /* Private functions ---------------------------------------------------------*/
elmot 1:d0dfbce63a89 66 /* Exported functions --------------------------------------------------------*/
elmot 1:d0dfbce63a89 67
elmot 1:d0dfbce63a89 68 /** @defgroup PCDEx_Exported_Functions PCDEx Exported Functions
elmot 1:d0dfbce63a89 69 * @{
elmot 1:d0dfbce63a89 70 */
elmot 1:d0dfbce63a89 71
elmot 1:d0dfbce63a89 72 /** @defgroup PCDEx_Exported_Functions_Group1 Peripheral Control functions
elmot 1:d0dfbce63a89 73 * @brief PCDEx control functions
elmot 1:d0dfbce63a89 74 *
elmot 1:d0dfbce63a89 75 @verbatim
elmot 1:d0dfbce63a89 76 ===============================================================================
elmot 1:d0dfbce63a89 77 ##### Extended features functions #####
elmot 1:d0dfbce63a89 78 ===============================================================================
elmot 1:d0dfbce63a89 79 [..] This section provides functions allowing to:
elmot 1:d0dfbce63a89 80 (+) Update FIFO configuration
elmot 1:d0dfbce63a89 81
elmot 1:d0dfbce63a89 82 @endverbatim
elmot 1:d0dfbce63a89 83 * @{
elmot 1:d0dfbce63a89 84 */
elmot 1:d0dfbce63a89 85 #if defined (USB_OTG_FS)
elmot 1:d0dfbce63a89 86 /**
elmot 1:d0dfbce63a89 87 * @brief Set Tx FIFO
elmot 1:d0dfbce63a89 88 * @param hpcd: PCD handle
elmot 1:d0dfbce63a89 89 * @param fifo: The number of Tx fifo
elmot 1:d0dfbce63a89 90 * @param size: Fifo size
elmot 1:d0dfbce63a89 91 * @retval HAL status
elmot 1:d0dfbce63a89 92 */
elmot 1:d0dfbce63a89 93 HAL_StatusTypeDef HAL_PCDEx_SetTxFiFo(PCD_HandleTypeDef *hpcd, uint8_t fifo, uint16_t size)
elmot 1:d0dfbce63a89 94 {
elmot 1:d0dfbce63a89 95 uint8_t index = 0;
elmot 1:d0dfbce63a89 96 uint32_t Tx_Offset = 0;
elmot 1:d0dfbce63a89 97
elmot 1:d0dfbce63a89 98 /* TXn min size = 16 words. (n : Transmit FIFO index)
elmot 1:d0dfbce63a89 99 When a TxFIFO is not used, the Configuration should be as follows:
elmot 1:d0dfbce63a89 100 case 1 : n > m and Txn is not used (n,m : Transmit FIFO indexes)
elmot 1:d0dfbce63a89 101 --> Txm can use the space allocated for Txn.
elmot 1:d0dfbce63a89 102 case2 : n < m and Txn is not used (n,m : Transmit FIFO indexes)
elmot 1:d0dfbce63a89 103 --> Txn should be configured with the minimum space of 16 words
elmot 1:d0dfbce63a89 104 The FIFO is used optimally when used TxFIFOs are allocated in the top
elmot 1:d0dfbce63a89 105 of the FIFO.Ex: use EP1 and EP2 as IN instead of EP1 and EP3 as IN ones.
elmot 1:d0dfbce63a89 106 When DMA is used 3n * FIFO locations should be reserved for internal DMA registers */
elmot 1:d0dfbce63a89 107
elmot 1:d0dfbce63a89 108 Tx_Offset = hpcd->Instance->GRXFSIZ;
elmot 1:d0dfbce63a89 109
elmot 1:d0dfbce63a89 110 if(fifo == 0)
elmot 1:d0dfbce63a89 111 {
elmot 1:d0dfbce63a89 112 hpcd->Instance->DIEPTXF0_HNPTXFSIZ = (size << 16) | Tx_Offset;
elmot 1:d0dfbce63a89 113 }
elmot 1:d0dfbce63a89 114 else
elmot 1:d0dfbce63a89 115 {
elmot 1:d0dfbce63a89 116 Tx_Offset += (hpcd->Instance->DIEPTXF0_HNPTXFSIZ) >> 16;
elmot 1:d0dfbce63a89 117 for (index = 0; index < (fifo - 1); index++)
elmot 1:d0dfbce63a89 118 {
elmot 1:d0dfbce63a89 119 Tx_Offset += (hpcd->Instance->DIEPTXF[index] >> 16);
elmot 1:d0dfbce63a89 120 }
elmot 1:d0dfbce63a89 121
elmot 1:d0dfbce63a89 122 /* Multiply Tx_Size by 2 to get higher performance */
elmot 1:d0dfbce63a89 123 hpcd->Instance->DIEPTXF[fifo - 1] = (size << 16) | Tx_Offset;
elmot 1:d0dfbce63a89 124 }
elmot 1:d0dfbce63a89 125
elmot 1:d0dfbce63a89 126 return HAL_OK;
elmot 1:d0dfbce63a89 127 }
elmot 1:d0dfbce63a89 128
elmot 1:d0dfbce63a89 129 /**
elmot 1:d0dfbce63a89 130 * @brief Set Rx FIFO
elmot 1:d0dfbce63a89 131 * @param hpcd: PCD handle
elmot 1:d0dfbce63a89 132 * @param size: Size of Rx fifo
elmot 1:d0dfbce63a89 133 * @retval HAL status
elmot 1:d0dfbce63a89 134 */
elmot 1:d0dfbce63a89 135 HAL_StatusTypeDef HAL_PCDEx_SetRxFiFo(PCD_HandleTypeDef *hpcd, uint16_t size)
elmot 1:d0dfbce63a89 136 {
elmot 1:d0dfbce63a89 137 hpcd->Instance->GRXFSIZ = size;
elmot 1:d0dfbce63a89 138
elmot 1:d0dfbce63a89 139 return HAL_OK;
elmot 1:d0dfbce63a89 140 }
elmot 1:d0dfbce63a89 141
elmot 1:d0dfbce63a89 142 /**
elmot 1:d0dfbce63a89 143 * @brief Activate LPM feature.
elmot 1:d0dfbce63a89 144 * @param hpcd: PCD handle
elmot 1:d0dfbce63a89 145 * @retval HAL status
elmot 1:d0dfbce63a89 146 */
elmot 1:d0dfbce63a89 147 HAL_StatusTypeDef HAL_PCDEx_ActivateLPM(PCD_HandleTypeDef *hpcd)
elmot 1:d0dfbce63a89 148 {
elmot 1:d0dfbce63a89 149 USB_OTG_GlobalTypeDef *USBx = hpcd->Instance;
elmot 1:d0dfbce63a89 150
elmot 1:d0dfbce63a89 151 hpcd->lpm_active = ENABLE;
elmot 1:d0dfbce63a89 152 hpcd->LPM_State = LPM_L0;
elmot 1:d0dfbce63a89 153 USBx->GINTMSK |= USB_OTG_GINTMSK_LPMINTM;
elmot 1:d0dfbce63a89 154 USBx->GLPMCFG |= (USB_OTG_GLPMCFG_LPMEN | USB_OTG_GLPMCFG_LPMACK | USB_OTG_GLPMCFG_ENBESL);
elmot 1:d0dfbce63a89 155
elmot 1:d0dfbce63a89 156 return HAL_OK;
elmot 1:d0dfbce63a89 157 }
elmot 1:d0dfbce63a89 158
elmot 1:d0dfbce63a89 159 /**
elmot 1:d0dfbce63a89 160 * @brief Deactivate LPM feature.
elmot 1:d0dfbce63a89 161 * @param hpcd: PCD handle
elmot 1:d0dfbce63a89 162 * @retval HAL status
elmot 1:d0dfbce63a89 163 */
elmot 1:d0dfbce63a89 164 HAL_StatusTypeDef HAL_PCDEx_DeActivateLPM(PCD_HandleTypeDef *hpcd)
elmot 1:d0dfbce63a89 165 {
elmot 1:d0dfbce63a89 166 USB_OTG_GlobalTypeDef *USBx = hpcd->Instance;
elmot 1:d0dfbce63a89 167
elmot 1:d0dfbce63a89 168 hpcd->lpm_active = DISABLE;
elmot 1:d0dfbce63a89 169 USBx->GINTMSK &= ~USB_OTG_GINTMSK_LPMINTM;
elmot 1:d0dfbce63a89 170 USBx->GLPMCFG &= ~(USB_OTG_GLPMCFG_LPMEN | USB_OTG_GLPMCFG_LPMACK | USB_OTG_GLPMCFG_ENBESL);
elmot 1:d0dfbce63a89 171
elmot 1:d0dfbce63a89 172 return HAL_OK;
elmot 1:d0dfbce63a89 173 }
elmot 1:d0dfbce63a89 174
elmot 1:d0dfbce63a89 175 /**
elmot 1:d0dfbce63a89 176 * @brief Handle BatteryCharging Process.
elmot 1:d0dfbce63a89 177 * @param hpcd: PCD handle
elmot 1:d0dfbce63a89 178 * @retval HAL status
elmot 1:d0dfbce63a89 179 */
elmot 1:d0dfbce63a89 180 void HAL_PCDEx_BCD_VBUSDetect(PCD_HandleTypeDef *hpcd)
elmot 1:d0dfbce63a89 181 {
elmot 1:d0dfbce63a89 182 USB_OTG_GlobalTypeDef *USBx = hpcd->Instance;
elmot 1:d0dfbce63a89 183 uint32_t tickstart = HAL_GetTick();
elmot 1:d0dfbce63a89 184
elmot 1:d0dfbce63a89 185 /* Start BCD When device is connected */
elmot 1:d0dfbce63a89 186 if (USBx_DEVICE->DCTL & USB_OTG_DCTL_SDIS)
elmot 1:d0dfbce63a89 187 {
elmot 1:d0dfbce63a89 188 /* Enable DCD : Data Contact Detect */
elmot 1:d0dfbce63a89 189 USBx->GCCFG |= USB_OTG_GCCFG_DCDEN;
elmot 1:d0dfbce63a89 190
elmot 1:d0dfbce63a89 191 /* Wait Detect flag or a timeout is happen*/
elmot 1:d0dfbce63a89 192 while ((USBx->GCCFG & USB_OTG_GCCFG_DCDET) == 0)
elmot 1:d0dfbce63a89 193 {
elmot 1:d0dfbce63a89 194 /* Check for the Timeout */
elmot 1:d0dfbce63a89 195 if((HAL_GetTick() - tickstart ) > 1000)
elmot 1:d0dfbce63a89 196 {
elmot 1:d0dfbce63a89 197 HAL_PCDEx_BCD_Callback(hpcd, PCD_BCD_ERROR);
elmot 1:d0dfbce63a89 198 return;
elmot 1:d0dfbce63a89 199 }
elmot 1:d0dfbce63a89 200 }
elmot 1:d0dfbce63a89 201
elmot 1:d0dfbce63a89 202 /* Right response got */
elmot 1:d0dfbce63a89 203 HAL_Delay(100);
elmot 1:d0dfbce63a89 204
elmot 1:d0dfbce63a89 205 /* Check Detect flag*/
elmot 1:d0dfbce63a89 206 if (USBx->GCCFG & USB_OTG_GCCFG_DCDET)
elmot 1:d0dfbce63a89 207 {
elmot 1:d0dfbce63a89 208 HAL_PCDEx_BCD_Callback(hpcd, PCD_BCD_CONTACT_DETECTION);
elmot 1:d0dfbce63a89 209 }
elmot 1:d0dfbce63a89 210
elmot 1:d0dfbce63a89 211 /*Primary detection: checks if connected to Standard Downstream Port
elmot 1:d0dfbce63a89 212 (without charging capability) */
elmot 1:d0dfbce63a89 213 USBx->GCCFG &=~ USB_OTG_GCCFG_DCDEN;
elmot 1:d0dfbce63a89 214 USBx->GCCFG |= USB_OTG_GCCFG_PDEN;
elmot 1:d0dfbce63a89 215 HAL_Delay(100);
elmot 1:d0dfbce63a89 216
elmot 1:d0dfbce63a89 217 if (!(USBx->GCCFG & USB_OTG_GCCFG_PDET))
elmot 1:d0dfbce63a89 218 {
elmot 1:d0dfbce63a89 219 /* Case of Standard Downstream Port */
elmot 1:d0dfbce63a89 220 HAL_PCDEx_BCD_Callback(hpcd, PCD_BCD_STD_DOWNSTREAM_PORT);
elmot 1:d0dfbce63a89 221 }
elmot 1:d0dfbce63a89 222 else
elmot 1:d0dfbce63a89 223 {
elmot 1:d0dfbce63a89 224 /* start secondary detection to check connection to Charging Downstream
elmot 1:d0dfbce63a89 225 Port or Dedicated Charging Port */
elmot 1:d0dfbce63a89 226 USBx->GCCFG &=~ USB_OTG_GCCFG_PDEN;
elmot 1:d0dfbce63a89 227 USBx->GCCFG |= USB_OTG_GCCFG_SDEN;
elmot 1:d0dfbce63a89 228 HAL_Delay(100);
elmot 1:d0dfbce63a89 229
elmot 1:d0dfbce63a89 230 if ((USBx->GCCFG) & USB_OTG_GCCFG_SDET)
elmot 1:d0dfbce63a89 231 {
elmot 1:d0dfbce63a89 232 /* case Dedicated Charging Port */
elmot 1:d0dfbce63a89 233 HAL_PCDEx_BCD_Callback(hpcd, PCD_BCD_DEDICATED_CHARGING_PORT);
elmot 1:d0dfbce63a89 234 }
elmot 1:d0dfbce63a89 235 else
elmot 1:d0dfbce63a89 236 {
elmot 1:d0dfbce63a89 237 /* case Charging Downstream Port */
elmot 1:d0dfbce63a89 238 HAL_PCDEx_BCD_Callback(hpcd, PCD_BCD_CHARGING_DOWNSTREAM_PORT);
elmot 1:d0dfbce63a89 239 }
elmot 1:d0dfbce63a89 240 }
elmot 1:d0dfbce63a89 241 /* Battery Charging capability discovery finished */
elmot 1:d0dfbce63a89 242 HAL_PCDEx_BCD_Callback(hpcd, PCD_BCD_DISCOVERY_COMPLETED);
elmot 1:d0dfbce63a89 243 }
elmot 1:d0dfbce63a89 244 }
elmot 1:d0dfbce63a89 245
elmot 1:d0dfbce63a89 246 /**
elmot 1:d0dfbce63a89 247 * @brief Activate BatteryCharging feature.
elmot 1:d0dfbce63a89 248 * @param hpcd: PCD handle
elmot 1:d0dfbce63a89 249 * @retval HAL status
elmot 1:d0dfbce63a89 250 */
elmot 1:d0dfbce63a89 251 HAL_StatusTypeDef HAL_PCDEx_ActivateBCD(PCD_HandleTypeDef *hpcd)
elmot 1:d0dfbce63a89 252 {
elmot 1:d0dfbce63a89 253 USB_OTG_GlobalTypeDef *USBx = hpcd->Instance;
elmot 1:d0dfbce63a89 254
elmot 1:d0dfbce63a89 255 hpcd->battery_charging_active = ENABLE;
elmot 1:d0dfbce63a89 256 USBx->GCCFG |= (USB_OTG_GCCFG_BCDEN);
elmot 1:d0dfbce63a89 257
elmot 1:d0dfbce63a89 258 return HAL_OK;
elmot 1:d0dfbce63a89 259 }
elmot 1:d0dfbce63a89 260
elmot 1:d0dfbce63a89 261 /**
elmot 1:d0dfbce63a89 262 * @brief Deactivate BatteryCharging feature.
elmot 1:d0dfbce63a89 263 * @param hpcd: PCD handle
elmot 1:d0dfbce63a89 264 * @retval HAL status
elmot 1:d0dfbce63a89 265 */
elmot 1:d0dfbce63a89 266 HAL_StatusTypeDef HAL_PCDEx_DeActivateBCD(PCD_HandleTypeDef *hpcd)
elmot 1:d0dfbce63a89 267 {
elmot 1:d0dfbce63a89 268 USB_OTG_GlobalTypeDef *USBx = hpcd->Instance;
elmot 1:d0dfbce63a89 269 hpcd->battery_charging_active = DISABLE;
elmot 1:d0dfbce63a89 270 USBx->GCCFG &= ~(USB_OTG_GCCFG_BCDEN);
elmot 1:d0dfbce63a89 271 return HAL_OK;
elmot 1:d0dfbce63a89 272 }
elmot 1:d0dfbce63a89 273 #endif /* USB_OTG_FS */
elmot 1:d0dfbce63a89 274
elmot 1:d0dfbce63a89 275 #if defined (USB)
elmot 1:d0dfbce63a89 276 /**
elmot 1:d0dfbce63a89 277 * @brief Configure PMA for EP
elmot 1:d0dfbce63a89 278 * @param hpcd : Device instance
elmot 1:d0dfbce63a89 279 * @param ep_addr: endpoint address
elmot 1:d0dfbce63a89 280 * @param ep_kind: endpoint Kind
elmot 1:d0dfbce63a89 281 * USB_SNG_BUF: Single Buffer used
elmot 1:d0dfbce63a89 282 * USB_DBL_BUF: Double Buffer used
elmot 1:d0dfbce63a89 283 * @param pmaadress: EP address in The PMA: In case of single buffer endpoint
elmot 1:d0dfbce63a89 284 * this parameter is 16-bit value providing the address
elmot 1:d0dfbce63a89 285 * in PMA allocated to endpoint.
elmot 1:d0dfbce63a89 286 * In case of double buffer endpoint this parameter
elmot 1:d0dfbce63a89 287 * is a 32-bit value providing the endpoint buffer 0 address
elmot 1:d0dfbce63a89 288 * in the LSB part of 32-bit value and endpoint buffer 1 address
elmot 1:d0dfbce63a89 289 * in the MSB part of 32-bit value.
elmot 1:d0dfbce63a89 290 * @retval HAL status
elmot 1:d0dfbce63a89 291 */
elmot 1:d0dfbce63a89 292
elmot 1:d0dfbce63a89 293 HAL_StatusTypeDef HAL_PCDEx_PMAConfig(PCD_HandleTypeDef *hpcd,
elmot 1:d0dfbce63a89 294 uint16_t ep_addr,
elmot 1:d0dfbce63a89 295 uint16_t ep_kind,
elmot 1:d0dfbce63a89 296 uint32_t pmaadress)
elmot 1:d0dfbce63a89 297
elmot 1:d0dfbce63a89 298 {
elmot 1:d0dfbce63a89 299 PCD_EPTypeDef *ep = NULL;
elmot 1:d0dfbce63a89 300
elmot 1:d0dfbce63a89 301 /* initialize ep structure*/
elmot 1:d0dfbce63a89 302 if ((0x80 & ep_addr) == 0x80)
elmot 1:d0dfbce63a89 303 {
elmot 1:d0dfbce63a89 304 ep = &hpcd->IN_ep[ep_addr & 0x7F];
elmot 1:d0dfbce63a89 305 }
elmot 1:d0dfbce63a89 306 else
elmot 1:d0dfbce63a89 307 {
elmot 1:d0dfbce63a89 308 ep = &hpcd->OUT_ep[ep_addr];
elmot 1:d0dfbce63a89 309 }
elmot 1:d0dfbce63a89 310
elmot 1:d0dfbce63a89 311 /* Here we check if the endpoint is single or double Buffer*/
elmot 1:d0dfbce63a89 312 if (ep_kind == PCD_SNG_BUF)
elmot 1:d0dfbce63a89 313 {
elmot 1:d0dfbce63a89 314 /*Single Buffer*/
elmot 1:d0dfbce63a89 315 ep->doublebuffer = 0;
elmot 1:d0dfbce63a89 316 /*Configure te PMA*/
elmot 1:d0dfbce63a89 317 ep->pmaadress = (uint16_t)pmaadress;
elmot 1:d0dfbce63a89 318 }
elmot 1:d0dfbce63a89 319 else /*USB_DBL_BUF*/
elmot 1:d0dfbce63a89 320 {
elmot 1:d0dfbce63a89 321 /*Double Buffer Endpoint*/
elmot 1:d0dfbce63a89 322 ep->doublebuffer = 1;
elmot 1:d0dfbce63a89 323 /*Configure the PMA*/
elmot 1:d0dfbce63a89 324 ep->pmaaddr0 = pmaadress & 0xFFFF;
elmot 1:d0dfbce63a89 325 ep->pmaaddr1 = (pmaadress & 0xFFFF0000) >> 16;
elmot 1:d0dfbce63a89 326 }
elmot 1:d0dfbce63a89 327
elmot 1:d0dfbce63a89 328 return HAL_OK;
elmot 1:d0dfbce63a89 329 }
elmot 1:d0dfbce63a89 330
elmot 1:d0dfbce63a89 331 /**
elmot 1:d0dfbce63a89 332 * @brief Activate BatteryCharging feature.
elmot 1:d0dfbce63a89 333 * @param hpcd: PCD handle
elmot 1:d0dfbce63a89 334 * @retval HAL status
elmot 1:d0dfbce63a89 335 */
elmot 1:d0dfbce63a89 336 HAL_StatusTypeDef HAL_PCDEx_ActivateBCD(PCD_HandleTypeDef *hpcd)
elmot 1:d0dfbce63a89 337 {
elmot 1:d0dfbce63a89 338 USB_TypeDef *USBx = hpcd->Instance;
elmot 1:d0dfbce63a89 339 hpcd->battery_charging_active = ENABLE;
elmot 1:d0dfbce63a89 340
elmot 1:d0dfbce63a89 341 USBx->BCDR |= (USB_BCDR_BCDEN);
elmot 1:d0dfbce63a89 342 /* Enable DCD : Data Contact Detect */
elmot 1:d0dfbce63a89 343 USBx->BCDR |= (USB_BCDR_DCDEN);
elmot 1:d0dfbce63a89 344
elmot 1:d0dfbce63a89 345 return HAL_OK;
elmot 1:d0dfbce63a89 346 }
elmot 1:d0dfbce63a89 347
elmot 1:d0dfbce63a89 348 /**
elmot 1:d0dfbce63a89 349 * @brief Deactivate BatteryCharging feature.
elmot 1:d0dfbce63a89 350 * @param hpcd: PCD handle
elmot 1:d0dfbce63a89 351 * @retval HAL status
elmot 1:d0dfbce63a89 352 */
elmot 1:d0dfbce63a89 353 HAL_StatusTypeDef HAL_PCDEx_DeActivateBCD(PCD_HandleTypeDef *hpcd)
elmot 1:d0dfbce63a89 354 {
elmot 1:d0dfbce63a89 355 USB_TypeDef *USBx = hpcd->Instance;
elmot 1:d0dfbce63a89 356 hpcd->battery_charging_active = DISABLE;
elmot 1:d0dfbce63a89 357
elmot 1:d0dfbce63a89 358 USBx->BCDR &= ~(USB_BCDR_BCDEN);
elmot 1:d0dfbce63a89 359 return HAL_OK;
elmot 1:d0dfbce63a89 360 }
elmot 1:d0dfbce63a89 361
elmot 1:d0dfbce63a89 362 /**
elmot 1:d0dfbce63a89 363 * @brief Handle BatteryCharging Process.
elmot 1:d0dfbce63a89 364 * @param hpcd: PCD handle
elmot 1:d0dfbce63a89 365 * @retval HAL status
elmot 1:d0dfbce63a89 366 */
elmot 1:d0dfbce63a89 367 void HAL_PCDEx_BCD_VBUSDetect(PCD_HandleTypeDef *hpcd)
elmot 1:d0dfbce63a89 368 {
elmot 1:d0dfbce63a89 369 USB_TypeDef *USBx = hpcd->Instance;
elmot 1:d0dfbce63a89 370 uint32_t tickstart = HAL_GetTick();
elmot 1:d0dfbce63a89 371
elmot 1:d0dfbce63a89 372 /* Wait Detect flag or a timeout is happen*/
elmot 1:d0dfbce63a89 373 while ((USBx->BCDR & USB_BCDR_DCDET) == 0)
elmot 1:d0dfbce63a89 374 {
elmot 1:d0dfbce63a89 375 /* Check for the Timeout */
elmot 1:d0dfbce63a89 376 if((HAL_GetTick() - tickstart ) > 1000)
elmot 1:d0dfbce63a89 377 {
elmot 1:d0dfbce63a89 378 HAL_PCDEx_BCD_Callback(hpcd, PCD_BCD_ERROR);
elmot 1:d0dfbce63a89 379 return;
elmot 1:d0dfbce63a89 380 }
elmot 1:d0dfbce63a89 381 }
elmot 1:d0dfbce63a89 382
elmot 1:d0dfbce63a89 383 HAL_Delay(300);
elmot 1:d0dfbce63a89 384
elmot 1:d0dfbce63a89 385 /* Data Pin Contact ? Check Detect flag */
elmot 1:d0dfbce63a89 386 if (USBx->BCDR & USB_BCDR_DCDET)
elmot 1:d0dfbce63a89 387 {
elmot 1:d0dfbce63a89 388 HAL_PCDEx_BCD_Callback(hpcd, PCD_BCD_CONTACT_DETECTION);
elmot 1:d0dfbce63a89 389 }
elmot 1:d0dfbce63a89 390 /* Primary detection: checks if connected to Standard Downstream Port
elmot 1:d0dfbce63a89 391 (without charging capability) */
elmot 1:d0dfbce63a89 392 USBx->BCDR &= ~(USB_BCDR_DCDEN);
elmot 1:d0dfbce63a89 393 USBx->BCDR |= (USB_BCDR_PDEN);
elmot 1:d0dfbce63a89 394 HAL_Delay(300);
elmot 1:d0dfbce63a89 395
elmot 1:d0dfbce63a89 396 /* If Charger detect ? */
elmot 1:d0dfbce63a89 397 if (USBx->BCDR & USB_BCDR_PDET)
elmot 1:d0dfbce63a89 398 {
elmot 1:d0dfbce63a89 399 /* Start secondary detection to check connection to Charging Downstream
elmot 1:d0dfbce63a89 400 Port or Dedicated Charging Port */
elmot 1:d0dfbce63a89 401 USBx->BCDR &= ~(USB_BCDR_PDEN);
elmot 1:d0dfbce63a89 402 USBx->BCDR |= (USB_BCDR_SDEN);
elmot 1:d0dfbce63a89 403 HAL_Delay(300);
elmot 1:d0dfbce63a89 404
elmot 1:d0dfbce63a89 405 /* If CDP ? */
elmot 1:d0dfbce63a89 406 if (USBx->BCDR & USB_BCDR_SDET)
elmot 1:d0dfbce63a89 407 {
elmot 1:d0dfbce63a89 408 /* Dedicated Downstream Port DCP */
elmot 1:d0dfbce63a89 409 HAL_PCDEx_BCD_Callback(hpcd, PCD_BCD_DEDICATED_CHARGING_PORT);
elmot 1:d0dfbce63a89 410 }
elmot 1:d0dfbce63a89 411 else
elmot 1:d0dfbce63a89 412 {
elmot 1:d0dfbce63a89 413 /* Charging Downstream Port CDP */
elmot 1:d0dfbce63a89 414 HAL_PCDEx_BCD_Callback(hpcd, PCD_BCD_CHARGING_DOWNSTREAM_PORT);
elmot 1:d0dfbce63a89 415
elmot 1:d0dfbce63a89 416 /* Battery Charging capability discovery finished
elmot 1:d0dfbce63a89 417 Start Enumeration*/
elmot 1:d0dfbce63a89 418 HAL_PCDEx_BCD_Callback(hpcd, PCD_BCD_DISCOVERY_COMPLETED);
elmot 1:d0dfbce63a89 419 }
elmot 1:d0dfbce63a89 420 }
elmot 1:d0dfbce63a89 421 else /* NO */
elmot 1:d0dfbce63a89 422 {
elmot 1:d0dfbce63a89 423 /* Standard Downstream Port */
elmot 1:d0dfbce63a89 424 HAL_PCDEx_BCD_Callback(hpcd, PCD_BCD_STD_DOWNSTREAM_PORT);
elmot 1:d0dfbce63a89 425 }
elmot 1:d0dfbce63a89 426 }
elmot 1:d0dfbce63a89 427
elmot 1:d0dfbce63a89 428 /**
elmot 1:d0dfbce63a89 429 * @brief Activate LPM feature.
elmot 1:d0dfbce63a89 430 * @param hpcd: PCD handle
elmot 1:d0dfbce63a89 431 * @retval HAL status
elmot 1:d0dfbce63a89 432 */
elmot 1:d0dfbce63a89 433 HAL_StatusTypeDef HAL_PCDEx_ActivateLPM(PCD_HandleTypeDef *hpcd)
elmot 1:d0dfbce63a89 434 {
elmot 1:d0dfbce63a89 435
elmot 1:d0dfbce63a89 436 USB_TypeDef *USBx = hpcd->Instance;
elmot 1:d0dfbce63a89 437 hpcd->lpm_active = ENABLE;
elmot 1:d0dfbce63a89 438 hpcd->LPM_State = LPM_L0;
elmot 1:d0dfbce63a89 439
elmot 1:d0dfbce63a89 440 USBx->LPMCSR |= (USB_LPMCSR_LMPEN);
elmot 1:d0dfbce63a89 441 USBx->LPMCSR |= (USB_LPMCSR_LPMACK);
elmot 1:d0dfbce63a89 442
elmot 1:d0dfbce63a89 443
elmot 1:d0dfbce63a89 444 return HAL_OK;
elmot 1:d0dfbce63a89 445 }
elmot 1:d0dfbce63a89 446
elmot 1:d0dfbce63a89 447 /**
elmot 1:d0dfbce63a89 448 * @brief Deactivate LPM feature.
elmot 1:d0dfbce63a89 449 * @param hpcd: PCD handle
elmot 1:d0dfbce63a89 450 * @retval HAL status
elmot 1:d0dfbce63a89 451 */
elmot 1:d0dfbce63a89 452 HAL_StatusTypeDef HAL_PCDEx_DeActivateLPM(PCD_HandleTypeDef *hpcd)
elmot 1:d0dfbce63a89 453 {
elmot 1:d0dfbce63a89 454 USB_TypeDef *USBx = hpcd->Instance;
elmot 1:d0dfbce63a89 455
elmot 1:d0dfbce63a89 456 hpcd->lpm_active = DISABLE;
elmot 1:d0dfbce63a89 457
elmot 1:d0dfbce63a89 458 USBx->LPMCSR &= ~ (USB_LPMCSR_LMPEN);
elmot 1:d0dfbce63a89 459 USBx->LPMCSR &= ~ (USB_LPMCSR_LPMACK);
elmot 1:d0dfbce63a89 460
elmot 1:d0dfbce63a89 461 return HAL_OK;
elmot 1:d0dfbce63a89 462 }
elmot 1:d0dfbce63a89 463
elmot 1:d0dfbce63a89 464 #endif /* USB_FS */
elmot 1:d0dfbce63a89 465
elmot 1:d0dfbce63a89 466 /**
elmot 1:d0dfbce63a89 467 * @brief Send LPM message to user layer callback.
elmot 1:d0dfbce63a89 468 * @param hpcd: PCD handle
elmot 1:d0dfbce63a89 469 * @param msg: LPM message
elmot 1:d0dfbce63a89 470 * @retval HAL status
elmot 1:d0dfbce63a89 471 */
elmot 1:d0dfbce63a89 472 __weak void HAL_PCDEx_LPM_Callback(PCD_HandleTypeDef *hpcd, PCD_LPM_MsgTypeDef msg)
elmot 1:d0dfbce63a89 473 {
elmot 1:d0dfbce63a89 474 /* Prevent unused argument(s) compilation warning */
elmot 1:d0dfbce63a89 475 UNUSED(hpcd);
elmot 1:d0dfbce63a89 476 UNUSED(msg);
elmot 1:d0dfbce63a89 477
elmot 1:d0dfbce63a89 478 /* NOTE : This function should not be modified, when the callback is needed,
elmot 1:d0dfbce63a89 479 the HAL_PCDEx_LPM_Callback could be implemented in the user file
elmot 1:d0dfbce63a89 480 */
elmot 1:d0dfbce63a89 481 }
elmot 1:d0dfbce63a89 482
elmot 1:d0dfbce63a89 483 /**
elmot 1:d0dfbce63a89 484 * @brief Send BatteryCharging message to user layer callback.
elmot 1:d0dfbce63a89 485 * @param hpcd: PCD handle
elmot 1:d0dfbce63a89 486 * @param msg: LPM message
elmot 1:d0dfbce63a89 487 * @retval HAL status
elmot 1:d0dfbce63a89 488 */
elmot 1:d0dfbce63a89 489 __weak void HAL_PCDEx_BCD_Callback(PCD_HandleTypeDef *hpcd, PCD_BCD_MsgTypeDef msg)
elmot 1:d0dfbce63a89 490 {
elmot 1:d0dfbce63a89 491 /* Prevent unused argument(s) compilation warning */
elmot 1:d0dfbce63a89 492 UNUSED(hpcd);
elmot 1:d0dfbce63a89 493 UNUSED(msg);
elmot 1:d0dfbce63a89 494
elmot 1:d0dfbce63a89 495 /* NOTE : This function should not be modified, when the callback is needed,
elmot 1:d0dfbce63a89 496 the HAL_PCDEx_BCD_Callback could be implemented in the user file
elmot 1:d0dfbce63a89 497 */
elmot 1:d0dfbce63a89 498 }
elmot 1:d0dfbce63a89 499
elmot 1:d0dfbce63a89 500 /**
elmot 1:d0dfbce63a89 501 * @}
elmot 1:d0dfbce63a89 502 */
elmot 1:d0dfbce63a89 503
elmot 1:d0dfbce63a89 504 /**
elmot 1:d0dfbce63a89 505 * @}
elmot 1:d0dfbce63a89 506 */
elmot 1:d0dfbce63a89 507 /**
elmot 1:d0dfbce63a89 508 * @}
elmot 1:d0dfbce63a89 509 */
elmot 1:d0dfbce63a89 510
elmot 1:d0dfbce63a89 511 /**
elmot 1:d0dfbce63a89 512 * @}
elmot 1:d0dfbce63a89 513 */
elmot 1:d0dfbce63a89 514
elmot 1:d0dfbce63a89 515 #endif /* STM32L475xx || STM32L476xx || */
elmot 1:d0dfbce63a89 516 /* STM32L485xx || STM32L486xx || */
elmot 1:d0dfbce63a89 517 /* STM32L432xx || STM32L433xx || */
elmot 1:d0dfbce63a89 518 /* STM32L442xx || STM32L443xx */
elmot 1:d0dfbce63a89 519
elmot 1:d0dfbce63a89 520 #endif /* HAL_PCD_MODULE_ENABLED */
elmot 1:d0dfbce63a89 521
elmot 1:d0dfbce63a89 522 /************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/