Johannes Stratmann / mbed-dev

added prescaler for 16 bit pwm in LPC1347 target

Fork of mbed-dev by mbed official

targets/cmsis/TARGET_STM/TARGET_STM32F7/stm32f7xx_hal_pcd_ex.c@0:9b334a45a8ff, 2015-10-01 (annotated)

Committer:
bogdanm
Date:
Thu Oct 01 15:25:22 2015 +0300
Revision:
0:9b334a45a8ff
Child:
83:a036322b8637
Initial commit on mbed-dev



Replaces mbed-src (now inactive)

Who changed what in which revision?

UserRevisionLine numberNew contents of line
bogdanm 0:9b334a45a8ff 1 /**
bogdanm 0:9b334a45a8ff 2 ******************************************************************************
bogdanm 0:9b334a45a8ff 3 * @file stm32f7xx_hal_pcd_ex.c
bogdanm 0:9b334a45a8ff 4 * @author MCD Application Team
bogdanm 0:9b334a45a8ff 5 * @version V1.0.1
bogdanm 0:9b334a45a8ff 6 * @date 25-June-2015
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 * + Extended features functions
bogdanm 0:9b334a45a8ff 11 *
bogdanm 0:9b334a45a8ff 12 ******************************************************************************
bogdanm 0:9b334a45a8ff 13 * @attention
bogdanm 0:9b334a45a8ff 14 *
bogdanm 0:9b334a45a8ff 15 * <h2><center>&copy; COPYRIGHT(c) 2015 STMicroelectronics</center></h2>
bogdanm 0:9b334a45a8ff 16 *
bogdanm 0:9b334a45a8ff 17 * Redistribution and use in source and binary forms, with or without modification,
bogdanm 0:9b334a45a8ff 18 * are permitted provided that the following conditions are met:
bogdanm 0:9b334a45a8ff 19 * 1. Redistributions of source code must retain the above copyright notice,
bogdanm 0:9b334a45a8ff 20 * this list of conditions and the following disclaimer.
bogdanm 0:9b334a45a8ff 21 * 2. Redistributions in binary form must reproduce the above copyright notice,
bogdanm 0:9b334a45a8ff 22 * this list of conditions and the following disclaimer in the documentation
bogdanm 0:9b334a45a8ff 23 * and/or other materials provided with the distribution.
bogdanm 0:9b334a45a8ff 24 * 3. Neither the name of STMicroelectronics nor the names of its contributors
bogdanm 0:9b334a45a8ff 25 * may be used to endorse or promote products derived from this software
bogdanm 0:9b334a45a8ff 26 * without specific prior written permission.
bogdanm 0:9b334a45a8ff 27 *
bogdanm 0:9b334a45a8ff 28 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
bogdanm 0:9b334a45a8ff 29 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
bogdanm 0:9b334a45a8ff 30 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
bogdanm 0:9b334a45a8ff 31 * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
bogdanm 0:9b334a45a8ff 32 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
bogdanm 0:9b334a45a8ff 33 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
bogdanm 0:9b334a45a8ff 34 * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
bogdanm 0:9b334a45a8ff 35 * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
bogdanm 0:9b334a45a8ff 36 * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
bogdanm 0:9b334a45a8ff 37 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
bogdanm 0:9b334a45a8ff 38 *
bogdanm 0:9b334a45a8ff 39 ******************************************************************************
bogdanm 0:9b334a45a8ff 40 */
bogdanm 0:9b334a45a8ff 41
bogdanm 0:9b334a45a8ff 42 /* Includes ------------------------------------------------------------------*/
bogdanm 0:9b334a45a8ff 43 #include "stm32f7xx_hal.h"
bogdanm 0:9b334a45a8ff 44
bogdanm 0:9b334a45a8ff 45 /** @addtogroup STM32F7xx_HAL_Driver
bogdanm 0:9b334a45a8ff 46 * @{
bogdanm 0:9b334a45a8ff 47 */
bogdanm 0:9b334a45a8ff 48
bogdanm 0:9b334a45a8ff 49 /** @defgroup PCDEx PCDEx
bogdanm 0:9b334a45a8ff 50 * @brief PCD Extended HAL module driver
bogdanm 0:9b334a45a8ff 51 * @{
bogdanm 0:9b334a45a8ff 52 */
bogdanm 0:9b334a45a8ff 53 #ifdef HAL_PCD_MODULE_ENABLED
bogdanm 0:9b334a45a8ff 54
bogdanm 0:9b334a45a8ff 55 /* Private types -------------------------------------------------------------*/
bogdanm 0:9b334a45a8ff 56 /* Private variables ---------------------------------------------------------*/
bogdanm 0:9b334a45a8ff 57 /* Private constants ---------------------------------------------------------*/
bogdanm 0:9b334a45a8ff 58 /* Private macros ------------------------------------------------------------*/
bogdanm 0:9b334a45a8ff 59 /* Private functions ---------------------------------------------------------*/
bogdanm 0:9b334a45a8ff 60 /* Exported functions --------------------------------------------------------*/
bogdanm 0:9b334a45a8ff 61
bogdanm 0:9b334a45a8ff 62 /** @defgroup PCDEx_Exported_Functions PCDEx Exported Functions
bogdanm 0:9b334a45a8ff 63 * @{
bogdanm 0:9b334a45a8ff 64 */
bogdanm 0:9b334a45a8ff 65
bogdanm 0:9b334a45a8ff 66 /** @defgroup PCDEx_Exported_Functions_Group1 Peripheral Control functions
bogdanm 0:9b334a45a8ff 67 * @brief PCDEx control functions
bogdanm 0:9b334a45a8ff 68 *
bogdanm 0:9b334a45a8ff 69 @verbatim
bogdanm 0:9b334a45a8ff 70 ===============================================================================
bogdanm 0:9b334a45a8ff 71 ##### Extended features functions #####
bogdanm 0:9b334a45a8ff 72 ===============================================================================
bogdanm 0:9b334a45a8ff 73 [..] This section provides functions allowing to:
bogdanm 0:9b334a45a8ff 74 (+) Update FIFO configuration
bogdanm 0:9b334a45a8ff 75
bogdanm 0:9b334a45a8ff 76 @endverbatim
bogdanm 0:9b334a45a8ff 77 * @{
bogdanm 0:9b334a45a8ff 78 */
bogdanm 0:9b334a45a8ff 79
bogdanm 0:9b334a45a8ff 80 /**
bogdanm 0:9b334a45a8ff 81 * @brief Set Tx FIFO
bogdanm 0:9b334a45a8ff 82 * @param hpcd: PCD handle
bogdanm 0:9b334a45a8ff 83 * @param fifo: The number of Tx fifo
bogdanm 0:9b334a45a8ff 84 * @param size: Fifo size
bogdanm 0:9b334a45a8ff 85 * @retval HAL status
bogdanm 0:9b334a45a8ff 86 */
bogdanm 0:9b334a45a8ff 87 HAL_StatusTypeDef HAL_PCDEx_SetTxFiFo(PCD_HandleTypeDef *hpcd, uint8_t fifo, uint16_t size)
bogdanm 0:9b334a45a8ff 88 {
bogdanm 0:9b334a45a8ff 89 uint8_t i = 0;
bogdanm 0:9b334a45a8ff 90 uint32_t Tx_Offset = 0;
bogdanm 0:9b334a45a8ff 91
bogdanm 0:9b334a45a8ff 92 /* TXn min size = 16 words. (n : Transmit FIFO index)
bogdanm 0:9b334a45a8ff 93 When a TxFIFO is not used, the Configuration should be as follows:
bogdanm 0:9b334a45a8ff 94 case 1 : n > m and Txn is not used (n,m : Transmit FIFO indexes)
bogdanm 0:9b334a45a8ff 95 --> Txm can use the space allocated for Txn.
bogdanm 0:9b334a45a8ff 96 case2 : n < m and Txn is not used (n,m : Transmit FIFO indexes)
bogdanm 0:9b334a45a8ff 97 --> Txn should be configured with the minimum space of 16 words
bogdanm 0:9b334a45a8ff 98 The FIFO is used optimally when used TxFIFOs are allocated in the top
bogdanm 0:9b334a45a8ff 99 of the FIFO.Ex: use EP1 and EP2 as IN instead of EP1 and EP3 as IN ones.
bogdanm 0:9b334a45a8ff 100 When DMA is used 3n * FIFO locations should be reserved for internal DMA registers */
bogdanm 0:9b334a45a8ff 101
bogdanm 0:9b334a45a8ff 102 Tx_Offset = hpcd->Instance->GRXFSIZ;
bogdanm 0:9b334a45a8ff 103
bogdanm 0:9b334a45a8ff 104 if(fifo == 0)
bogdanm 0:9b334a45a8ff 105 {
bogdanm 0:9b334a45a8ff 106 hpcd->Instance->DIEPTXF0_HNPTXFSIZ = (size << 16) | Tx_Offset;
bogdanm 0:9b334a45a8ff 107 }
bogdanm 0:9b334a45a8ff 108 else
bogdanm 0:9b334a45a8ff 109 {
bogdanm 0:9b334a45a8ff 110 Tx_Offset += (hpcd->Instance->DIEPTXF0_HNPTXFSIZ) >> 16;
bogdanm 0:9b334a45a8ff 111 for (i = 0; i < (fifo - 1); i++)
bogdanm 0:9b334a45a8ff 112 {
bogdanm 0:9b334a45a8ff 113 Tx_Offset += (hpcd->Instance->DIEPTXF[i] >> 16);
bogdanm 0:9b334a45a8ff 114 }
bogdanm 0:9b334a45a8ff 115
bogdanm 0:9b334a45a8ff 116 /* Multiply Tx_Size by 2 to get higher performance */
bogdanm 0:9b334a45a8ff 117 hpcd->Instance->DIEPTXF[fifo - 1] = (size << 16) | Tx_Offset;
bogdanm 0:9b334a45a8ff 118
bogdanm 0:9b334a45a8ff 119 }
bogdanm 0:9b334a45a8ff 120
bogdanm 0:9b334a45a8ff 121 return HAL_OK;
bogdanm 0:9b334a45a8ff 122 }
bogdanm 0:9b334a45a8ff 123
bogdanm 0:9b334a45a8ff 124 /**
bogdanm 0:9b334a45a8ff 125 * @brief Set Rx FIFO
bogdanm 0:9b334a45a8ff 126 * @param hpcd: PCD handle
bogdanm 0:9b334a45a8ff 127 * @param size: Size of Rx fifo
bogdanm 0:9b334a45a8ff 128 * @retval HAL status
bogdanm 0:9b334a45a8ff 129 */
bogdanm 0:9b334a45a8ff 130 HAL_StatusTypeDef HAL_PCDEx_SetRxFiFo(PCD_HandleTypeDef *hpcd, uint16_t size)
bogdanm 0:9b334a45a8ff 131 {
bogdanm 0:9b334a45a8ff 132 hpcd->Instance->GRXFSIZ = size;
bogdanm 0:9b334a45a8ff 133
bogdanm 0:9b334a45a8ff 134 return HAL_OK;
bogdanm 0:9b334a45a8ff 135 }
bogdanm 0:9b334a45a8ff 136
bogdanm 0:9b334a45a8ff 137 /**
bogdanm 0:9b334a45a8ff 138 * @brief HAL_PCDEx_ActivateLPM : active LPM Feature
bogdanm 0:9b334a45a8ff 139 * @param hpcd: PCD handle
bogdanm 0:9b334a45a8ff 140 * @retval HAL status
bogdanm 0:9b334a45a8ff 141 */
bogdanm 0:9b334a45a8ff 142 HAL_StatusTypeDef HAL_PCDEx_ActivateLPM(PCD_HandleTypeDef *hpcd)
bogdanm 0:9b334a45a8ff 143 {
bogdanm 0:9b334a45a8ff 144 USB_OTG_GlobalTypeDef *USBx = hpcd->Instance;
bogdanm 0:9b334a45a8ff 145
bogdanm 0:9b334a45a8ff 146 hpcd->lpm_active = ENABLE;
bogdanm 0:9b334a45a8ff 147 hpcd->LPM_State = LPM_L0;
bogdanm 0:9b334a45a8ff 148 USBx->GINTMSK |= USB_OTG_GINTMSK_LPMINTM;
bogdanm 0:9b334a45a8ff 149 USBx->GLPMCFG |= (USB_OTG_GLPMCFG_LPMEN | USB_OTG_GLPMCFG_LPMACK | USB_OTG_GLPMCFG_ENBESL);
bogdanm 0:9b334a45a8ff 150
bogdanm 0:9b334a45a8ff 151 return HAL_OK;
bogdanm 0:9b334a45a8ff 152 }
bogdanm 0:9b334a45a8ff 153
bogdanm 0:9b334a45a8ff 154 /**
bogdanm 0:9b334a45a8ff 155 * @brief HAL_PCDEx_DeActivateLPM : de-active LPM feature
bogdanm 0:9b334a45a8ff 156 * @param hpcd: PCD handle
bogdanm 0:9b334a45a8ff 157 * @retval HAL status
bogdanm 0:9b334a45a8ff 158 */
bogdanm 0:9b334a45a8ff 159 HAL_StatusTypeDef HAL_PCDEx_DeActivateLPM(PCD_HandleTypeDef *hpcd)
bogdanm 0:9b334a45a8ff 160 {
bogdanm 0:9b334a45a8ff 161 USB_OTG_GlobalTypeDef *USBx = hpcd->Instance;
bogdanm 0:9b334a45a8ff 162
bogdanm 0:9b334a45a8ff 163 hpcd->lpm_active = DISABLE;
bogdanm 0:9b334a45a8ff 164 USBx->GINTMSK &= ~USB_OTG_GINTMSK_LPMINTM;
bogdanm 0:9b334a45a8ff 165 USBx->GLPMCFG &= ~(USB_OTG_GLPMCFG_LPMEN | USB_OTG_GLPMCFG_LPMACK | USB_OTG_GLPMCFG_ENBESL);
bogdanm 0:9b334a45a8ff 166
bogdanm 0:9b334a45a8ff 167 return HAL_OK;
bogdanm 0:9b334a45a8ff 168 }
bogdanm 0:9b334a45a8ff 169
bogdanm 0:9b334a45a8ff 170 /**
bogdanm 0:9b334a45a8ff 171 * @brief HAL_PCDEx_LPM_Callback : Send LPM message to user layer
bogdanm 0:9b334a45a8ff 172 * @param hpcd: PCD handle
bogdanm 0:9b334a45a8ff 173 * @param msg: LPM message
bogdanm 0:9b334a45a8ff 174 * @retval HAL status
bogdanm 0:9b334a45a8ff 175 */
bogdanm 0:9b334a45a8ff 176 __weak void HAL_PCDEx_LPM_Callback(PCD_HandleTypeDef *hpcd, PCD_LPM_MsgTypeDef msg)
bogdanm 0:9b334a45a8ff 177 {
bogdanm 0:9b334a45a8ff 178 }
bogdanm 0:9b334a45a8ff 179
bogdanm 0:9b334a45a8ff 180 /**
bogdanm 0:9b334a45a8ff 181 * @}
bogdanm 0:9b334a45a8ff 182 */
bogdanm 0:9b334a45a8ff 183
bogdanm 0:9b334a45a8ff 184 /**
bogdanm 0:9b334a45a8ff 185 * @}
bogdanm 0:9b334a45a8ff 186 */
bogdanm 0:9b334a45a8ff 187
bogdanm 0:9b334a45a8ff 188 #endif /* HAL_PCD_MODULE_ENABLED */
bogdanm 0:9b334a45a8ff 189 /**
bogdanm 0:9b334a45a8ff 190 * @}
bogdanm 0:9b334a45a8ff 191 */
bogdanm 0:9b334a45a8ff 192
bogdanm 0:9b334a45a8ff 193 /**
bogdanm 0:9b334a45a8ff 194 * @}
bogdanm 0:9b334a45a8ff 195 */
bogdanm 0:9b334a45a8ff 196
bogdanm 0:9b334a45a8ff 197 /************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/