en 129 / mbed-dev

fix LPC812 PWM

Dependents:   IR_LED_Send

Fork of mbed-dev by mbed official

targets/cmsis/TARGET_STM/TARGET_STM32F7/stm32f7xx_hal_sai_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_sai_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 SAI Extension HAL module driver.
bogdanm 0:9b334a45a8ff 8 * This file provides firmware functions to manage the following
bogdanm 0:9b334a45a8ff 9 * functionalities of SAI extension peripheral:
bogdanm 0:9b334a45a8ff 10 * + Extension features functions
bogdanm 0:9b334a45a8ff 11 *
bogdanm 0:9b334a45a8ff 12 @verbatim
bogdanm 0:9b334a45a8ff 13 ==============================================================================
bogdanm 0:9b334a45a8ff 14 ##### SAI peripheral extension features #####
bogdanm 0:9b334a45a8ff 15 ==============================================================================
bogdanm 0:9b334a45a8ff 16
bogdanm 0:9b334a45a8ff 17 ##### How to use this driver #####
bogdanm 0:9b334a45a8ff 18 ==============================================================================
bogdanm 0:9b334a45a8ff 19 [..] This driver provides functions to manage several sources to clock SAI
bogdanm 0:9b334a45a8ff 20
bogdanm 0:9b334a45a8ff 21 @endverbatim
bogdanm 0:9b334a45a8ff 22 ******************************************************************************
bogdanm 0:9b334a45a8ff 23 * @attention
bogdanm 0:9b334a45a8ff 24 *
bogdanm 0:9b334a45a8ff 25 * <h2><center>&copy; COPYRIGHT(c) 2015 STMicroelectronics</center></h2>
bogdanm 0:9b334a45a8ff 26 *
bogdanm 0:9b334a45a8ff 27 * Redistribution and use in source and binary forms, with or without modification,
bogdanm 0:9b334a45a8ff 28 * are permitted provided that the following conditions are met:
bogdanm 0:9b334a45a8ff 29 * 1. Redistributions of source code must retain the above copyright notice,
bogdanm 0:9b334a45a8ff 30 * this list of conditions and the following disclaimer.
bogdanm 0:9b334a45a8ff 31 * 2. Redistributions in binary form must reproduce the above copyright notice,
bogdanm 0:9b334a45a8ff 32 * this list of conditions and the following disclaimer in the documentation
bogdanm 0:9b334a45a8ff 33 * and/or other materials provided with the distribution.
bogdanm 0:9b334a45a8ff 34 * 3. Neither the name of STMicroelectronics nor the names of its contributors
bogdanm 0:9b334a45a8ff 35 * may be used to endorse or promote products derived from this software
bogdanm 0:9b334a45a8ff 36 * without specific prior written permission.
bogdanm 0:9b334a45a8ff 37 *
bogdanm 0:9b334a45a8ff 38 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
bogdanm 0:9b334a45a8ff 39 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
bogdanm 0:9b334a45a8ff 40 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
bogdanm 0:9b334a45a8ff 41 * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
bogdanm 0:9b334a45a8ff 42 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
bogdanm 0:9b334a45a8ff 43 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
bogdanm 0:9b334a45a8ff 44 * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
bogdanm 0:9b334a45a8ff 45 * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
bogdanm 0:9b334a45a8ff 46 * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
bogdanm 0:9b334a45a8ff 47 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
bogdanm 0:9b334a45a8ff 48 *
bogdanm 0:9b334a45a8ff 49 ******************************************************************************
bogdanm 0:9b334a45a8ff 50 */
bogdanm 0:9b334a45a8ff 51
bogdanm 0:9b334a45a8ff 52 /* Includes ------------------------------------------------------------------*/
bogdanm 0:9b334a45a8ff 53 #include "stm32f7xx_hal.h"
bogdanm 0:9b334a45a8ff 54
bogdanm 0:9b334a45a8ff 55 /** @addtogroup STM32F7xx_HAL_Driver
bogdanm 0:9b334a45a8ff 56 * @{
bogdanm 0:9b334a45a8ff 57 */
bogdanm 0:9b334a45a8ff 58
bogdanm 0:9b334a45a8ff 59 /** @defgroup SAIEx SAIEx
bogdanm 0:9b334a45a8ff 60 * @brief SAI Extension HAL module driver
bogdanm 0:9b334a45a8ff 61 * @{
bogdanm 0:9b334a45a8ff 62 */
bogdanm 0:9b334a45a8ff 63
bogdanm 0:9b334a45a8ff 64 #ifdef HAL_SAI_MODULE_ENABLED
bogdanm 0:9b334a45a8ff 65
bogdanm 0:9b334a45a8ff 66 /* Private typedef -----------------------------------------------------------*/
bogdanm 0:9b334a45a8ff 67 /* Private define ------------------------------------------------------------*/
bogdanm 0:9b334a45a8ff 68 /* SAI registers Masks */
bogdanm 0:9b334a45a8ff 69 /* Private macro -------------------------------------------------------------*/
bogdanm 0:9b334a45a8ff 70 /* Private variables ---------------------------------------------------------*/
bogdanm 0:9b334a45a8ff 71 /* Private function prototypes -----------------------------------------------*/
bogdanm 0:9b334a45a8ff 72 /* Private functions ---------------------------------------------------------*/
bogdanm 0:9b334a45a8ff 73
bogdanm 0:9b334a45a8ff 74 /** @defgroup SAI_Private_Functions SAI Private Functions
bogdanm 0:9b334a45a8ff 75 * @{
bogdanm 0:9b334a45a8ff 76 */
bogdanm 0:9b334a45a8ff 77 /**
bogdanm 0:9b334a45a8ff 78 * @}
bogdanm 0:9b334a45a8ff 79 */
bogdanm 0:9b334a45a8ff 80
bogdanm 0:9b334a45a8ff 81 /* Exported functions --------------------------------------------------------*/
bogdanm 0:9b334a45a8ff 82 /** @defgroup SAIEx_Exported_Functions SAI Extended Exported Functions
bogdanm 0:9b334a45a8ff 83 * @{
bogdanm 0:9b334a45a8ff 84 */
bogdanm 0:9b334a45a8ff 85
bogdanm 0:9b334a45a8ff 86 /** @defgroup SAIEx_Exported_Functions_Group1 Extension features functions
bogdanm 0:9b334a45a8ff 87 * @brief Extension features functions
bogdanm 0:9b334a45a8ff 88 *
bogdanm 0:9b334a45a8ff 89 @verbatim
bogdanm 0:9b334a45a8ff 90 ===============================================================================
bogdanm 0:9b334a45a8ff 91 ##### Extension features Functions #####
bogdanm 0:9b334a45a8ff 92 ===============================================================================
bogdanm 0:9b334a45a8ff 93 [..]
bogdanm 0:9b334a45a8ff 94 This subsection provides a set of functions allowing to manage the possible
bogdanm 0:9b334a45a8ff 95 SAI clock sources.
bogdanm 0:9b334a45a8ff 96
bogdanm 0:9b334a45a8ff 97 @endverbatim
bogdanm 0:9b334a45a8ff 98 * @{
bogdanm 0:9b334a45a8ff 99 */
bogdanm 0:9b334a45a8ff 100
bogdanm 0:9b334a45a8ff 101 /**
bogdanm 0:9b334a45a8ff 102 * @brief Configure SAI Block synchronization mode
bogdanm 0:9b334a45a8ff 103 * @param hsai: pointer to a SAI_HandleTypeDef structure that contains
bogdanm 0:9b334a45a8ff 104 * the configuration information for SAI module.
bogdanm 0:9b334a45a8ff 105 * @retval SAI Clock Input
bogdanm 0:9b334a45a8ff 106 */
bogdanm 0:9b334a45a8ff 107 void SAI_BlockSynchroConfig(SAI_HandleTypeDef *hsai)
bogdanm 0:9b334a45a8ff 108 {
bogdanm 0:9b334a45a8ff 109 uint32_t tmpregisterGCR = 0;
bogdanm 0:9b334a45a8ff 110
bogdanm 0:9b334a45a8ff 111 /* This setting must be done with both audio block (A & B) disabled */
bogdanm 0:9b334a45a8ff 112 switch(hsai->Init.SynchroExt)
bogdanm 0:9b334a45a8ff 113 {
bogdanm 0:9b334a45a8ff 114 case SAI_SYNCEXT_DISABLE :
bogdanm 0:9b334a45a8ff 115 tmpregisterGCR = 0;
bogdanm 0:9b334a45a8ff 116 break;
bogdanm 0:9b334a45a8ff 117 case SAI_SYNCEXT_IN_ENABLE :
bogdanm 0:9b334a45a8ff 118 tmpregisterGCR = SAI_GCR_SYNCIN_0;
bogdanm 0:9b334a45a8ff 119 break;
bogdanm 0:9b334a45a8ff 120 case SAI_SYNCEXT_OUTBLOCKA_ENABLE :
bogdanm 0:9b334a45a8ff 121 tmpregisterGCR = SAI_GCR_SYNCOUT_0;
bogdanm 0:9b334a45a8ff 122 break;
bogdanm 0:9b334a45a8ff 123 case SAI_SYNCEXT_OUTBLOCKB_ENABLE :
bogdanm 0:9b334a45a8ff 124 tmpregisterGCR = SAI_GCR_SYNCOUT_1;
bogdanm 0:9b334a45a8ff 125 break;
bogdanm 0:9b334a45a8ff 126 default :
bogdanm 0:9b334a45a8ff 127 break;
bogdanm 0:9b334a45a8ff 128 }
bogdanm 0:9b334a45a8ff 129
bogdanm 0:9b334a45a8ff 130 if((hsai->Instance == SAI1_Block_A) || (hsai->Instance == SAI1_Block_B))
bogdanm 0:9b334a45a8ff 131 {
bogdanm 0:9b334a45a8ff 132 SAI1->GCR = tmpregisterGCR;
bogdanm 0:9b334a45a8ff 133 }
bogdanm 0:9b334a45a8ff 134 else
bogdanm 0:9b334a45a8ff 135 {
bogdanm 0:9b334a45a8ff 136 SAI2->GCR = tmpregisterGCR;
bogdanm 0:9b334a45a8ff 137 }
bogdanm 0:9b334a45a8ff 138 }
bogdanm 0:9b334a45a8ff 139 /**
bogdanm 0:9b334a45a8ff 140 * @brief Get SAI Input Clock based on SAI source clock selection
bogdanm 0:9b334a45a8ff 141 * @param hsai: pointer to a SAI_HandleTypeDef structure that contains
bogdanm 0:9b334a45a8ff 142 * the configuration information for SAI module.
bogdanm 0:9b334a45a8ff 143 * @retval SAI Clock Input
bogdanm 0:9b334a45a8ff 144 */
bogdanm 0:9b334a45a8ff 145 uint32_t SAI_GetInputClock(SAI_HandleTypeDef *hsai)
bogdanm 0:9b334a45a8ff 146 {
bogdanm 0:9b334a45a8ff 147 /* This variable used to store the SAI_CK_x (value in Hz) */
bogdanm 0:9b334a45a8ff 148 uint32_t saiclocksource = 0;
bogdanm 0:9b334a45a8ff 149
bogdanm 0:9b334a45a8ff 150 if ((hsai->Instance == SAI1_Block_A) || (hsai->Instance == SAI1_Block_B))
bogdanm 0:9b334a45a8ff 151 {
bogdanm 0:9b334a45a8ff 152 saiclocksource = HAL_RCCEx_GetPeriphCLKFreq(RCC_PERIPHCLK_SAI1);
bogdanm 0:9b334a45a8ff 153 }
bogdanm 0:9b334a45a8ff 154 else /* SAI2_Block_A || SAI2_Block_B*/
bogdanm 0:9b334a45a8ff 155 {
bogdanm 0:9b334a45a8ff 156 saiclocksource = HAL_RCCEx_GetPeriphCLKFreq(RCC_PERIPHCLK_SAI2);
bogdanm 0:9b334a45a8ff 157 }
bogdanm 0:9b334a45a8ff 158 /* the return result is the value of SAI clock */
bogdanm 0:9b334a45a8ff 159 return saiclocksource;
bogdanm 0:9b334a45a8ff 160 }
bogdanm 0:9b334a45a8ff 161
bogdanm 0:9b334a45a8ff 162 /**
bogdanm 0:9b334a45a8ff 163 * @}
bogdanm 0:9b334a45a8ff 164 */
bogdanm 0:9b334a45a8ff 165
bogdanm 0:9b334a45a8ff 166 /**
bogdanm 0:9b334a45a8ff 167 * @}
bogdanm 0:9b334a45a8ff 168 */
bogdanm 0:9b334a45a8ff 169
bogdanm 0:9b334a45a8ff 170 #endif /* HAL_SAI_MODULE_ENABLED */
bogdanm 0:9b334a45a8ff 171 /**
bogdanm 0:9b334a45a8ff 172 * @}
bogdanm 0:9b334a45a8ff 173 */
bogdanm 0:9b334a45a8ff 174
bogdanm 0:9b334a45a8ff 175 /**
bogdanm 0:9b334a45a8ff 176 * @}
bogdanm 0:9b334a45a8ff 177 */
bogdanm 0:9b334a45a8ff 178
bogdanm 0:9b334a45a8ff 179 /************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/