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@144:ef7eb2e8f9f7, 2016-09-02 (annotated)

Committer:
<>
Date:
Fri Sep 02 15:07:44 2016 +0100
Revision:
144:ef7eb2e8f9f7
Parent:
83:a036322b8637 
This updates the lib to the mbed lib v125

Who changed what in which revision?

UserRevisionLine numberNew contents of line
<> 144:ef7eb2e8f9f7 1 /**
<> 144:ef7eb2e8f9f7 2 ******************************************************************************
<> 144:ef7eb2e8f9f7 3 * @file stm32f7xx_hal_pcd_ex.c
<> 144:ef7eb2e8f9f7 4 * @author MCD Application Team
<> 144:ef7eb2e8f9f7 5 * @version V1.1.0
<> 144:ef7eb2e8f9f7 6 * @date 22-April-2016
<> 144:ef7eb2e8f9f7 7 * @brief PCD HAL module driver.
<> 144:ef7eb2e8f9f7 8 * This file provides firmware functions to manage the following
<> 144:ef7eb2e8f9f7 9 * functionalities of the USB Peripheral Controller:
<> 144:ef7eb2e8f9f7 10 * + Extended features functions
<> 144:ef7eb2e8f9f7 11 *
<> 144:ef7eb2e8f9f7 12 ******************************************************************************
<> 144:ef7eb2e8f9f7 13 * @attention
<> 144:ef7eb2e8f9f7 14 *
<> 144:ef7eb2e8f9f7 15 * <h2><center>&copy; COPYRIGHT(c) 2016 STMicroelectronics</center></h2>
<> 144:ef7eb2e8f9f7 16 *
<> 144:ef7eb2e8f9f7 17 * Redistribution and use in source and binary forms, with or without modification,
<> 144:ef7eb2e8f9f7 18 * are permitted provided that the following conditions are met:
<> 144:ef7eb2e8f9f7 19 * 1. Redistributions of source code must retain the above copyright notice,
<> 144:ef7eb2e8f9f7 20 * this list of conditions and the following disclaimer.
<> 144:ef7eb2e8f9f7 21 * 2. Redistributions in binary form must reproduce the above copyright notice,
<> 144:ef7eb2e8f9f7 22 * this list of conditions and the following disclaimer in the documentation
<> 144:ef7eb2e8f9f7 23 * and/or other materials provided with the distribution.
<> 144:ef7eb2e8f9f7 24 * 3. Neither the name of STMicroelectronics nor the names of its contributors
<> 144:ef7eb2e8f9f7 25 * may be used to endorse or promote products derived from this software
<> 144:ef7eb2e8f9f7 26 * without specific prior written permission.
<> 144:ef7eb2e8f9f7 27 *
<> 144:ef7eb2e8f9f7 28 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
<> 144:ef7eb2e8f9f7 29 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
<> 144:ef7eb2e8f9f7 30 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
<> 144:ef7eb2e8f9f7 31 * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
<> 144:ef7eb2e8f9f7 32 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
<> 144:ef7eb2e8f9f7 33 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
<> 144:ef7eb2e8f9f7 34 * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
<> 144:ef7eb2e8f9f7 35 * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
<> 144:ef7eb2e8f9f7 36 * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
<> 144:ef7eb2e8f9f7 37 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
<> 144:ef7eb2e8f9f7 38 *
<> 144:ef7eb2e8f9f7 39 ******************************************************************************
<> 144:ef7eb2e8f9f7 40 */
<> 144:ef7eb2e8f9f7 41
<> 144:ef7eb2e8f9f7 42 /* Includes ------------------------------------------------------------------*/
<> 144:ef7eb2e8f9f7 43 #include "stm32f7xx_hal.h"
<> 144:ef7eb2e8f9f7 44
<> 144:ef7eb2e8f9f7 45 /** @addtogroup STM32F7xx_HAL_Driver
<> 144:ef7eb2e8f9f7 46 * @{
<> 144:ef7eb2e8f9f7 47 */
<> 144:ef7eb2e8f9f7 48
<> 144:ef7eb2e8f9f7 49 /** @defgroup PCDEx PCDEx
<> 144:ef7eb2e8f9f7 50 * @brief PCD Extended HAL module driver
<> 144:ef7eb2e8f9f7 51 * @{
<> 144:ef7eb2e8f9f7 52 */
<> 144:ef7eb2e8f9f7 53 #ifdef HAL_PCD_MODULE_ENABLED
<> 144:ef7eb2e8f9f7 54
<> 144:ef7eb2e8f9f7 55 /* Private types -------------------------------------------------------------*/
<> 144:ef7eb2e8f9f7 56 /* Private variables ---------------------------------------------------------*/
<> 144:ef7eb2e8f9f7 57 /* Private constants ---------------------------------------------------------*/
<> 144:ef7eb2e8f9f7 58 /* Private macros ------------------------------------------------------------*/
<> 144:ef7eb2e8f9f7 59 /* Private functions ---------------------------------------------------------*/
<> 144:ef7eb2e8f9f7 60 /* Exported functions --------------------------------------------------------*/
<> 144:ef7eb2e8f9f7 61
<> 144:ef7eb2e8f9f7 62 /** @defgroup PCDEx_Exported_Functions PCDEx Exported Functions
<> 144:ef7eb2e8f9f7 63 * @{
<> 144:ef7eb2e8f9f7 64 */
<> 144:ef7eb2e8f9f7 65
<> 144:ef7eb2e8f9f7 66 /** @defgroup PCDEx_Exported_Functions_Group1 Peripheral Control functions
<> 144:ef7eb2e8f9f7 67 * @brief PCDEx control functions
<> 144:ef7eb2e8f9f7 68 *
<> 144:ef7eb2e8f9f7 69 @verbatim
<> 144:ef7eb2e8f9f7 70 ===============================================================================
<> 144:ef7eb2e8f9f7 71 ##### Extended features functions #####
<> 144:ef7eb2e8f9f7 72 ===============================================================================
<> 144:ef7eb2e8f9f7 73 [..] This section provides functions allowing to:
<> 144:ef7eb2e8f9f7 74 (+) Update FIFO configuration
<> 144:ef7eb2e8f9f7 75
<> 144:ef7eb2e8f9f7 76 @endverbatim
<> 144:ef7eb2e8f9f7 77 * @{
<> 144:ef7eb2e8f9f7 78 */
<> 144:ef7eb2e8f9f7 79
<> 144:ef7eb2e8f9f7 80 /**
<> 144:ef7eb2e8f9f7 81 * @brief Set Tx FIFO
<> 144:ef7eb2e8f9f7 82 * @param hpcd: PCD handle
<> 144:ef7eb2e8f9f7 83 * @param fifo: The number of Tx fifo
<> 144:ef7eb2e8f9f7 84 * @param size: Fifo size
<> 144:ef7eb2e8f9f7 85 * @retval HAL status
<> 144:ef7eb2e8f9f7 86 */
<> 144:ef7eb2e8f9f7 87 HAL_StatusTypeDef HAL_PCDEx_SetTxFiFo(PCD_HandleTypeDef *hpcd, uint8_t fifo, uint16_t size)
<> 144:ef7eb2e8f9f7 88 {
<> 144:ef7eb2e8f9f7 89 uint8_t i = 0;
<> 144:ef7eb2e8f9f7 90 uint32_t Tx_Offset = 0;
<> 144:ef7eb2e8f9f7 91
<> 144:ef7eb2e8f9f7 92 /* TXn min size = 16 words. (n : Transmit FIFO index)
<> 144:ef7eb2e8f9f7 93 When a TxFIFO is not used, the Configuration should be as follows:
<> 144:ef7eb2e8f9f7 94 case 1 : n > m and Txn is not used (n,m : Transmit FIFO indexes)
<> 144:ef7eb2e8f9f7 95 --> Txm can use the space allocated for Txn.
<> 144:ef7eb2e8f9f7 96 case2 : n < m and Txn is not used (n,m : Transmit FIFO indexes)
<> 144:ef7eb2e8f9f7 97 --> Txn should be configured with the minimum space of 16 words
<> 144:ef7eb2e8f9f7 98 The FIFO is used optimally when used TxFIFOs are allocated in the top
<> 144:ef7eb2e8f9f7 99 of the FIFO.Ex: use EP1 and EP2 as IN instead of EP1 and EP3 as IN ones.
<> 144:ef7eb2e8f9f7 100 When DMA is used 3n * FIFO locations should be reserved for internal DMA registers */
<> 144:ef7eb2e8f9f7 101
<> 144:ef7eb2e8f9f7 102 Tx_Offset = hpcd->Instance->GRXFSIZ;
<> 144:ef7eb2e8f9f7 103
<> 144:ef7eb2e8f9f7 104 if(fifo == 0)
<> 144:ef7eb2e8f9f7 105 {
<> 144:ef7eb2e8f9f7 106 hpcd->Instance->DIEPTXF0_HNPTXFSIZ = (uint32_t)(((uint32_t)size << 16) | Tx_Offset);
<> 144:ef7eb2e8f9f7 107 }
<> 144:ef7eb2e8f9f7 108 else
<> 144:ef7eb2e8f9f7 109 {
<> 144:ef7eb2e8f9f7 110 Tx_Offset += (hpcd->Instance->DIEPTXF0_HNPTXFSIZ) >> 16;
<> 144:ef7eb2e8f9f7 111 for (i = 0; i < (fifo - 1); i++)
<> 144:ef7eb2e8f9f7 112 {
<> 144:ef7eb2e8f9f7 113 Tx_Offset += (hpcd->Instance->DIEPTXF[i] >> 16);
<> 144:ef7eb2e8f9f7 114 }
<> 144:ef7eb2e8f9f7 115
<> 144:ef7eb2e8f9f7 116 /* Multiply Tx_Size by 2 to get higher performance */
<> 144:ef7eb2e8f9f7 117 hpcd->Instance->DIEPTXF[fifo - 1] = (uint32_t)(((uint32_t)size << 16) | Tx_Offset);
<> 144:ef7eb2e8f9f7 118 }
<> 144:ef7eb2e8f9f7 119
<> 144:ef7eb2e8f9f7 120 return HAL_OK;
<> 144:ef7eb2e8f9f7 121 }
<> 144:ef7eb2e8f9f7 122
<> 144:ef7eb2e8f9f7 123 /**
<> 144:ef7eb2e8f9f7 124 * @brief Set Rx FIFO
<> 144:ef7eb2e8f9f7 125 * @param hpcd: PCD handle
<> 144:ef7eb2e8f9f7 126 * @param size: Size of Rx fifo
<> 144:ef7eb2e8f9f7 127 * @retval HAL status
<> 144:ef7eb2e8f9f7 128 */
<> 144:ef7eb2e8f9f7 129 HAL_StatusTypeDef HAL_PCDEx_SetRxFiFo(PCD_HandleTypeDef *hpcd, uint16_t size)
<> 144:ef7eb2e8f9f7 130 {
<> 144:ef7eb2e8f9f7 131 hpcd->Instance->GRXFSIZ = size;
<> 144:ef7eb2e8f9f7 132
<> 144:ef7eb2e8f9f7 133 return HAL_OK;
<> 144:ef7eb2e8f9f7 134 }
<> 144:ef7eb2e8f9f7 135
<> 144:ef7eb2e8f9f7 136 /**
<> 144:ef7eb2e8f9f7 137 * @brief Activate LPM Feature
<> 144:ef7eb2e8f9f7 138 * @param hpcd: PCD handle
<> 144:ef7eb2e8f9f7 139 * @retval HAL status
<> 144:ef7eb2e8f9f7 140 */
<> 144:ef7eb2e8f9f7 141 HAL_StatusTypeDef HAL_PCDEx_ActivateLPM(PCD_HandleTypeDef *hpcd)
<> 144:ef7eb2e8f9f7 142 {
<> 144:ef7eb2e8f9f7 143 USB_OTG_GlobalTypeDef *USBx = hpcd->Instance;
<> 144:ef7eb2e8f9f7 144
<> 144:ef7eb2e8f9f7 145 hpcd->lpm_active = ENABLE;
<> 144:ef7eb2e8f9f7 146 hpcd->LPM_State = LPM_L0;
<> 144:ef7eb2e8f9f7 147 USBx->GINTMSK |= USB_OTG_GINTMSK_LPMINTM;
<> 144:ef7eb2e8f9f7 148 USBx->GLPMCFG |= (USB_OTG_GLPMCFG_LPMEN | USB_OTG_GLPMCFG_LPMACK | USB_OTG_GLPMCFG_ENBESL);
<> 144:ef7eb2e8f9f7 149
<> 144:ef7eb2e8f9f7 150 return HAL_OK;
<> 144:ef7eb2e8f9f7 151 }
<> 144:ef7eb2e8f9f7 152
<> 144:ef7eb2e8f9f7 153 /**
<> 144:ef7eb2e8f9f7 154 * @brief DeActivate LPM feature.
<> 144:ef7eb2e8f9f7 155 * @param hpcd: PCD handle
<> 144:ef7eb2e8f9f7 156 * @retval HAL status
<> 144:ef7eb2e8f9f7 157 */
<> 144:ef7eb2e8f9f7 158 HAL_StatusTypeDef HAL_PCDEx_DeActivateLPM(PCD_HandleTypeDef *hpcd)
<> 144:ef7eb2e8f9f7 159 {
<> 144:ef7eb2e8f9f7 160 USB_OTG_GlobalTypeDef *USBx = hpcd->Instance;
<> 144:ef7eb2e8f9f7 161
<> 144:ef7eb2e8f9f7 162 hpcd->lpm_active = DISABLE;
<> 144:ef7eb2e8f9f7 163 USBx->GINTMSK &= ~USB_OTG_GINTMSK_LPMINTM;
<> 144:ef7eb2e8f9f7 164 USBx->GLPMCFG &= ~(USB_OTG_GLPMCFG_LPMEN | USB_OTG_GLPMCFG_LPMACK | USB_OTG_GLPMCFG_ENBESL);
<> 144:ef7eb2e8f9f7 165
<> 144:ef7eb2e8f9f7 166 return HAL_OK;
<> 144:ef7eb2e8f9f7 167 }
<> 144:ef7eb2e8f9f7 168
<> 144:ef7eb2e8f9f7 169 /**
<> 144:ef7eb2e8f9f7 170 * @brief Send LPM message to user layer callback.
<> 144:ef7eb2e8f9f7 171 * @param hpcd: PCD handle
<> 144:ef7eb2e8f9f7 172 * @param msg: LPM message
<> 144:ef7eb2e8f9f7 173 * @retval HAL status
<> 144:ef7eb2e8f9f7 174 */
<> 144:ef7eb2e8f9f7 175 __weak void HAL_PCDEx_LPM_Callback(PCD_HandleTypeDef *hpcd, PCD_LPM_MsgTypeDef msg)
<> 144:ef7eb2e8f9f7 176 {
<> 144:ef7eb2e8f9f7 177 /* Prevent unused argument(s) compilation warning */
<> 144:ef7eb2e8f9f7 178 UNUSED(hpcd);
<> 144:ef7eb2e8f9f7 179 UNUSED(msg);
<> 144:ef7eb2e8f9f7 180
<> 144:ef7eb2e8f9f7 181 /* NOTE : This function Should not be modified, when the callback is needed,
<> 144:ef7eb2e8f9f7 182 the HAL_PCDEx_LPM_Callback could be implemented in the user file
<> 144:ef7eb2e8f9f7 183 */
<> 144:ef7eb2e8f9f7 184 }
<> 144:ef7eb2e8f9f7 185
<> 144:ef7eb2e8f9f7 186 /**
<> 144:ef7eb2e8f9f7 187 * @}
<> 144:ef7eb2e8f9f7 188 */
<> 144:ef7eb2e8f9f7 189
<> 144:ef7eb2e8f9f7 190 /**
<> 144:ef7eb2e8f9f7 191 * @}
<> 144:ef7eb2e8f9f7 192 */
<> 144:ef7eb2e8f9f7 193
<> 144:ef7eb2e8f9f7 194 #endif /* HAL_PCD_MODULE_ENABLED */
<> 144:ef7eb2e8f9f7 195 /**
<> 144:ef7eb2e8f9f7 196 * @}
<> 144:ef7eb2e8f9f7 197 */
<> 144:ef7eb2e8f9f7 198
<> 144:ef7eb2e8f9f7 199 /**
<> 144:ef7eb2e8f9f7 200 * @}
<> 144:ef7eb2e8f9f7 201 */
<> 144:ef7eb2e8f9f7 202
<> 144:ef7eb2e8f9f7 203 /************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/