fix LPC812 PWM
Fork of mbed-dev by
targets/cmsis/TARGET_STM/TARGET_STM32F4/stm32f4xx_hal_sai_ex.c@129:2e517c56bcfb, 2016-05-16 (annotated)
- Committer:
- nameless129
- Date:
- Mon May 16 16:50:30 2016 +0000
- Revision:
- 129:2e517c56bcfb
- Parent:
- 19:112740acecfa
PWM Fix:Duty 0%??H???????????????
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 stm32f4xx_hal_sai_ex.c |
bogdanm | 0:9b334a45a8ff | 4 | * @author MCD Application Team |
mbed_official | 19:112740acecfa | 5 | * @version V1.4.1 |
mbed_official | 19:112740acecfa | 6 | * @date 09-October-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 | [..] Comparing to other previous devices, the SAI interface for STM32F446xx |
bogdanm | 0:9b334a45a8ff | 18 | devices contains the following additional features : |
bogdanm | 0:9b334a45a8ff | 19 | |
bogdanm | 0:9b334a45a8ff | 20 | (+) Possibility to be clocked from PLLR |
bogdanm | 0:9b334a45a8ff | 21 | |
bogdanm | 0:9b334a45a8ff | 22 | ##### How to use this driver ##### |
bogdanm | 0:9b334a45a8ff | 23 | ============================================================================== |
bogdanm | 0:9b334a45a8ff | 24 | [..] This driver provides functions to manage several sources to clock SAI |
bogdanm | 0:9b334a45a8ff | 25 | |
bogdanm | 0:9b334a45a8ff | 26 | @endverbatim |
bogdanm | 0:9b334a45a8ff | 27 | ****************************************************************************** |
bogdanm | 0:9b334a45a8ff | 28 | * @attention |
bogdanm | 0:9b334a45a8ff | 29 | * |
bogdanm | 0:9b334a45a8ff | 30 | * <h2><center>© COPYRIGHT(c) 2015 STMicroelectronics</center></h2> |
bogdanm | 0:9b334a45a8ff | 31 | * |
bogdanm | 0:9b334a45a8ff | 32 | * Redistribution and use in source and binary forms, with or without modification, |
bogdanm | 0:9b334a45a8ff | 33 | * are permitted provided that the following conditions are met: |
bogdanm | 0:9b334a45a8ff | 34 | * 1. Redistributions of source code must retain the above copyright notice, |
bogdanm | 0:9b334a45a8ff | 35 | * this list of conditions and the following disclaimer. |
bogdanm | 0:9b334a45a8ff | 36 | * 2. Redistributions in binary form must reproduce the above copyright notice, |
bogdanm | 0:9b334a45a8ff | 37 | * this list of conditions and the following disclaimer in the documentation |
bogdanm | 0:9b334a45a8ff | 38 | * and/or other materials provided with the distribution. |
bogdanm | 0:9b334a45a8ff | 39 | * 3. Neither the name of STMicroelectronics nor the names of its contributors |
bogdanm | 0:9b334a45a8ff | 40 | * may be used to endorse or promote products derived from this software |
bogdanm | 0:9b334a45a8ff | 41 | * without specific prior written permission. |
bogdanm | 0:9b334a45a8ff | 42 | * |
bogdanm | 0:9b334a45a8ff | 43 | * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" |
bogdanm | 0:9b334a45a8ff | 44 | * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
bogdanm | 0:9b334a45a8ff | 45 | * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE |
bogdanm | 0:9b334a45a8ff | 46 | * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE |
bogdanm | 0:9b334a45a8ff | 47 | * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL |
bogdanm | 0:9b334a45a8ff | 48 | * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR |
bogdanm | 0:9b334a45a8ff | 49 | * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER |
bogdanm | 0:9b334a45a8ff | 50 | * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, |
bogdanm | 0:9b334a45a8ff | 51 | * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE |
bogdanm | 0:9b334a45a8ff | 52 | * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
bogdanm | 0:9b334a45a8ff | 53 | * |
bogdanm | 0:9b334a45a8ff | 54 | ****************************************************************************** |
bogdanm | 0:9b334a45a8ff | 55 | */ |
bogdanm | 0:9b334a45a8ff | 56 | |
bogdanm | 0:9b334a45a8ff | 57 | /* Includes ------------------------------------------------------------------*/ |
bogdanm | 0:9b334a45a8ff | 58 | #include "stm32f4xx_hal.h" |
bogdanm | 0:9b334a45a8ff | 59 | |
bogdanm | 0:9b334a45a8ff | 60 | /** @addtogroup STM32F4xx_HAL_Driver |
bogdanm | 0:9b334a45a8ff | 61 | * @{ |
bogdanm | 0:9b334a45a8ff | 62 | */ |
bogdanm | 0:9b334a45a8ff | 63 | |
bogdanm | 0:9b334a45a8ff | 64 | /** @defgroup SAIEx SAIEx |
bogdanm | 0:9b334a45a8ff | 65 | * @brief SAI Extension HAL module driver |
bogdanm | 0:9b334a45a8ff | 66 | * @{ |
bogdanm | 0:9b334a45a8ff | 67 | */ |
bogdanm | 0:9b334a45a8ff | 68 | |
bogdanm | 0:9b334a45a8ff | 69 | #ifdef HAL_SAI_MODULE_ENABLED |
bogdanm | 0:9b334a45a8ff | 70 | |
mbed_official | 19:112740acecfa | 71 | #if defined(STM32F427xx) || defined(STM32F437xx) || defined(STM32F429xx) || defined(STM32F439xx) ||\ |
mbed_official | 19:112740acecfa | 72 | defined(STM32F446xx) || defined(STM32F469xx) || defined(STM32F479xx) |
bogdanm | 0:9b334a45a8ff | 73 | |
bogdanm | 0:9b334a45a8ff | 74 | /* Private typedef -----------------------------------------------------------*/ |
bogdanm | 0:9b334a45a8ff | 75 | /* Private define ------------------------------------------------------------*/ |
bogdanm | 0:9b334a45a8ff | 76 | /* SAI registers Masks */ |
bogdanm | 0:9b334a45a8ff | 77 | /* Private macro -------------------------------------------------------------*/ |
bogdanm | 0:9b334a45a8ff | 78 | /* Private variables ---------------------------------------------------------*/ |
bogdanm | 0:9b334a45a8ff | 79 | /* Private function prototypes -----------------------------------------------*/ |
bogdanm | 0:9b334a45a8ff | 80 | /* Private functions ---------------------------------------------------------*/ |
bogdanm | 0:9b334a45a8ff | 81 | |
bogdanm | 0:9b334a45a8ff | 82 | /** @defgroup SAI_Private_Functions SAI Private Functions |
bogdanm | 0:9b334a45a8ff | 83 | * @{ |
bogdanm | 0:9b334a45a8ff | 84 | */ |
bogdanm | 0:9b334a45a8ff | 85 | /** |
bogdanm | 0:9b334a45a8ff | 86 | * @} |
bogdanm | 0:9b334a45a8ff | 87 | */ |
bogdanm | 0:9b334a45a8ff | 88 | |
bogdanm | 0:9b334a45a8ff | 89 | /* Exported functions --------------------------------------------------------*/ |
bogdanm | 0:9b334a45a8ff | 90 | /** @defgroup SAIEx_Exported_Functions SAI Extended Exported Functions |
bogdanm | 0:9b334a45a8ff | 91 | * @{ |
bogdanm | 0:9b334a45a8ff | 92 | */ |
bogdanm | 0:9b334a45a8ff | 93 | |
bogdanm | 0:9b334a45a8ff | 94 | /** @defgroup SAIEx_Exported_Functions_Group1 Extension features functions |
bogdanm | 0:9b334a45a8ff | 95 | * @brief Extension features functions |
bogdanm | 0:9b334a45a8ff | 96 | * |
bogdanm | 0:9b334a45a8ff | 97 | @verbatim |
bogdanm | 0:9b334a45a8ff | 98 | =============================================================================== |
bogdanm | 0:9b334a45a8ff | 99 | ##### Extension features Functions ##### |
bogdanm | 0:9b334a45a8ff | 100 | =============================================================================== |
bogdanm | 0:9b334a45a8ff | 101 | [..] |
bogdanm | 0:9b334a45a8ff | 102 | This subsection provides a set of functions allowing to manage the possible |
bogdanm | 0:9b334a45a8ff | 103 | SAI clock sources. |
bogdanm | 0:9b334a45a8ff | 104 | |
bogdanm | 0:9b334a45a8ff | 105 | @endverbatim |
bogdanm | 0:9b334a45a8ff | 106 | * @{ |
bogdanm | 0:9b334a45a8ff | 107 | */ |
bogdanm | 0:9b334a45a8ff | 108 | |
bogdanm | 0:9b334a45a8ff | 109 | /** |
bogdanm | 0:9b334a45a8ff | 110 | * @brief Configure SAI Block synchronization mode |
bogdanm | 0:9b334a45a8ff | 111 | * @param hsai: pointer to a SAI_HandleTypeDef structure that contains |
bogdanm | 0:9b334a45a8ff | 112 | * the configuration information for SAI module. |
bogdanm | 0:9b334a45a8ff | 113 | * @retval SAI Clock Input |
bogdanm | 0:9b334a45a8ff | 114 | */ |
bogdanm | 0:9b334a45a8ff | 115 | void SAI_BlockSynchroConfig(SAI_HandleTypeDef *hsai) |
bogdanm | 0:9b334a45a8ff | 116 | { |
bogdanm | 0:9b334a45a8ff | 117 | uint32_t tmpregisterGCR = 0; |
bogdanm | 0:9b334a45a8ff | 118 | |
bogdanm | 0:9b334a45a8ff | 119 | #if defined(STM32F446xx) |
bogdanm | 0:9b334a45a8ff | 120 | /* This setting must be done with both audio block (A & B) disabled */ |
bogdanm | 0:9b334a45a8ff | 121 | switch(hsai->Init.SynchroExt) |
bogdanm | 0:9b334a45a8ff | 122 | { |
bogdanm | 0:9b334a45a8ff | 123 | case SAI_SYNCEXT_DISABLE : |
bogdanm | 0:9b334a45a8ff | 124 | tmpregisterGCR = 0; |
bogdanm | 0:9b334a45a8ff | 125 | break; |
bogdanm | 0:9b334a45a8ff | 126 | case SAI_SYNCEXT_IN_ENABLE : |
bogdanm | 0:9b334a45a8ff | 127 | tmpregisterGCR = SAI_GCR_SYNCIN_0; |
bogdanm | 0:9b334a45a8ff | 128 | break; |
bogdanm | 0:9b334a45a8ff | 129 | case SAI_SYNCEXT_OUTBLOCKA_ENABLE : |
bogdanm | 0:9b334a45a8ff | 130 | tmpregisterGCR = SAI_GCR_SYNCOUT_0; |
bogdanm | 0:9b334a45a8ff | 131 | break; |
bogdanm | 0:9b334a45a8ff | 132 | case SAI_SYNCEXT_OUTBLOCKB_ENABLE : |
bogdanm | 0:9b334a45a8ff | 133 | tmpregisterGCR = SAI_GCR_SYNCOUT_1; |
bogdanm | 0:9b334a45a8ff | 134 | break; |
bogdanm | 0:9b334a45a8ff | 135 | } |
bogdanm | 0:9b334a45a8ff | 136 | |
bogdanm | 0:9b334a45a8ff | 137 | if((hsai->Instance == SAI1_Block_A) || (hsai->Instance == SAI1_Block_B)) |
bogdanm | 0:9b334a45a8ff | 138 | { |
bogdanm | 0:9b334a45a8ff | 139 | SAI1->GCR = tmpregisterGCR; |
bogdanm | 0:9b334a45a8ff | 140 | } |
bogdanm | 0:9b334a45a8ff | 141 | else |
bogdanm | 0:9b334a45a8ff | 142 | { |
bogdanm | 0:9b334a45a8ff | 143 | SAI2->GCR = tmpregisterGCR; |
bogdanm | 0:9b334a45a8ff | 144 | } |
bogdanm | 0:9b334a45a8ff | 145 | #endif /* STM32F446xx */ |
mbed_official | 19:112740acecfa | 146 | #if defined(STM32F427xx) || defined(STM32F437xx) || defined(STM32F429xx) || defined(STM32F439xx) ||\ |
mbed_official | 19:112740acecfa | 147 | defined(STM32F469xx) || defined(STM32F479xx) |
bogdanm | 0:9b334a45a8ff | 148 | /* This setting must be done with both audio block (A & B) disabled */ |
bogdanm | 0:9b334a45a8ff | 149 | switch(hsai->Init.SynchroExt) |
bogdanm | 0:9b334a45a8ff | 150 | { |
bogdanm | 0:9b334a45a8ff | 151 | case SAI_SYNCEXT_DISABLE : |
bogdanm | 0:9b334a45a8ff | 152 | tmpregisterGCR = 0; |
bogdanm | 0:9b334a45a8ff | 153 | break; |
bogdanm | 0:9b334a45a8ff | 154 | case SAI_SYNCEXT_OUTBLOCKA_ENABLE : |
bogdanm | 0:9b334a45a8ff | 155 | tmpregisterGCR = SAI_GCR_SYNCOUT_0; |
bogdanm | 0:9b334a45a8ff | 156 | break; |
bogdanm | 0:9b334a45a8ff | 157 | case SAI_SYNCEXT_OUTBLOCKB_ENABLE : |
bogdanm | 0:9b334a45a8ff | 158 | tmpregisterGCR = SAI_GCR_SYNCOUT_1; |
bogdanm | 0:9b334a45a8ff | 159 | break; |
bogdanm | 0:9b334a45a8ff | 160 | } |
bogdanm | 0:9b334a45a8ff | 161 | SAI1->GCR = tmpregisterGCR; |
mbed_official | 19:112740acecfa | 162 | #endif /* STM32F427xx || STM32F437xx || STM32F429xx || STM32F439xx || STM32F469xx || STM32F479xx */ |
bogdanm | 0:9b334a45a8ff | 163 | } |
bogdanm | 0:9b334a45a8ff | 164 | /** |
bogdanm | 0:9b334a45a8ff | 165 | * @brief Get SAI Input Clock based on SAI source clock selection |
bogdanm | 0:9b334a45a8ff | 166 | * @param hsai: pointer to a SAI_HandleTypeDef structure that contains |
bogdanm | 0:9b334a45a8ff | 167 | * the configuration information for SAI module. |
bogdanm | 0:9b334a45a8ff | 168 | * @retval SAI Clock Input |
bogdanm | 0:9b334a45a8ff | 169 | */ |
bogdanm | 0:9b334a45a8ff | 170 | uint32_t SAI_GetInputClock(SAI_HandleTypeDef *hsai) |
bogdanm | 0:9b334a45a8ff | 171 | { |
bogdanm | 0:9b334a45a8ff | 172 | /* This variable used to store the SAI_CK_x (value in Hz) */ |
bogdanm | 0:9b334a45a8ff | 173 | uint32_t saiclocksource = 0; |
bogdanm | 0:9b334a45a8ff | 174 | |
bogdanm | 0:9b334a45a8ff | 175 | #if defined(STM32F446xx) |
bogdanm | 0:9b334a45a8ff | 176 | if ((hsai->Instance == SAI1_Block_A) || (hsai->Instance == SAI1_Block_B)) |
bogdanm | 0:9b334a45a8ff | 177 | { |
bogdanm | 0:9b334a45a8ff | 178 | saiclocksource = HAL_RCCEx_GetPeriphCLKFreq(RCC_PERIPHCLK_SAI1); |
bogdanm | 0:9b334a45a8ff | 179 | } |
bogdanm | 0:9b334a45a8ff | 180 | else /* SAI2_Block_A || SAI2_Block_B*/ |
bogdanm | 0:9b334a45a8ff | 181 | { |
bogdanm | 0:9b334a45a8ff | 182 | saiclocksource = HAL_RCCEx_GetPeriphCLKFreq(RCC_PERIPHCLK_SAI2); |
bogdanm | 0:9b334a45a8ff | 183 | } |
bogdanm | 0:9b334a45a8ff | 184 | #endif /* STM32F446xx */ |
mbed_official | 19:112740acecfa | 185 | #if defined(STM32F427xx) || defined(STM32F437xx) || defined(STM32F429xx) || defined(STM32F439xx) ||\ |
mbed_official | 19:112740acecfa | 186 | defined(STM32F469xx) || defined(STM32F479xx) |
bogdanm | 0:9b334a45a8ff | 187 | uint32_t vcoinput = 0, tmpreg = 0; |
bogdanm | 0:9b334a45a8ff | 188 | |
bogdanm | 0:9b334a45a8ff | 189 | /* Check the SAI Block parameters */ |
bogdanm | 0:9b334a45a8ff | 190 | assert_param(IS_SAI_CLK_SOURCE(hsai->Init.ClockSource)); |
bogdanm | 0:9b334a45a8ff | 191 | |
bogdanm | 0:9b334a45a8ff | 192 | /* SAI Block clock source selection */ |
bogdanm | 0:9b334a45a8ff | 193 | if(hsai->Instance == SAI1_Block_A) |
bogdanm | 0:9b334a45a8ff | 194 | { |
bogdanm | 0:9b334a45a8ff | 195 | __HAL_RCC_SAI_BLOCKACLKSOURCE_CONFIG(hsai->Init.ClockSource); |
bogdanm | 0:9b334a45a8ff | 196 | } |
bogdanm | 0:9b334a45a8ff | 197 | else |
bogdanm | 0:9b334a45a8ff | 198 | { |
bogdanm | 0:9b334a45a8ff | 199 | __HAL_RCC_SAI_BLOCKBCLKSOURCE_CONFIG((uint32_t)(hsai->Init.ClockSource << 2)); |
bogdanm | 0:9b334a45a8ff | 200 | } |
bogdanm | 0:9b334a45a8ff | 201 | |
bogdanm | 0:9b334a45a8ff | 202 | /* VCO Input Clock value calculation */ |
bogdanm | 0:9b334a45a8ff | 203 | if((RCC->PLLCFGR & RCC_PLLCFGR_PLLSRC) == RCC_PLLSOURCE_HSI) |
bogdanm | 0:9b334a45a8ff | 204 | { |
bogdanm | 0:9b334a45a8ff | 205 | /* In Case the PLL Source is HSI (Internal Clock) */ |
bogdanm | 0:9b334a45a8ff | 206 | vcoinput = (HSI_VALUE / (uint32_t)(RCC->PLLCFGR & RCC_PLLCFGR_PLLM)); |
bogdanm | 0:9b334a45a8ff | 207 | } |
bogdanm | 0:9b334a45a8ff | 208 | else |
bogdanm | 0:9b334a45a8ff | 209 | { |
bogdanm | 0:9b334a45a8ff | 210 | /* In Case the PLL Source is HSE (External Clock) */ |
bogdanm | 0:9b334a45a8ff | 211 | vcoinput = ((HSE_VALUE / (uint32_t)(RCC->PLLCFGR & RCC_PLLCFGR_PLLM))); |
bogdanm | 0:9b334a45a8ff | 212 | } |
bogdanm | 0:9b334a45a8ff | 213 | |
bogdanm | 0:9b334a45a8ff | 214 | /* SAI_CLK_x : SAI Block Clock configuration for different clock sources selected */ |
bogdanm | 0:9b334a45a8ff | 215 | if(hsai->Init.ClockSource == SAI_CLKSOURCE_PLLSAI) |
bogdanm | 0:9b334a45a8ff | 216 | { |
bogdanm | 0:9b334a45a8ff | 217 | /* Configure the PLLI2S division factor */ |
bogdanm | 0:9b334a45a8ff | 218 | /* PLLSAI_VCO Input = PLL_SOURCE/PLLM */ |
bogdanm | 0:9b334a45a8ff | 219 | /* PLLSAI_VCO Output = PLLSAI_VCO Input * PLLSAIN */ |
bogdanm | 0:9b334a45a8ff | 220 | /* SAI_CLK(first level) = PLLSAI_VCO Output/PLLSAIQ */ |
bogdanm | 0:9b334a45a8ff | 221 | tmpreg = (RCC->PLLSAICFGR & RCC_PLLSAICFGR_PLLSAIQ) >> 24; |
bogdanm | 0:9b334a45a8ff | 222 | saiclocksource = (vcoinput * ((RCC->PLLSAICFGR & RCC_PLLSAICFGR_PLLSAIN) >> 6))/(tmpreg); |
bogdanm | 0:9b334a45a8ff | 223 | |
bogdanm | 0:9b334a45a8ff | 224 | /* SAI_CLK_x = SAI_CLK(first level)/PLLSAIDIVQ */ |
bogdanm | 0:9b334a45a8ff | 225 | tmpreg = (((RCC->DCKCFGR & RCC_DCKCFGR_PLLSAIDIVQ) >> 8) + 1); |
bogdanm | 0:9b334a45a8ff | 226 | saiclocksource = saiclocksource/(tmpreg); |
bogdanm | 0:9b334a45a8ff | 227 | |
bogdanm | 0:9b334a45a8ff | 228 | } |
bogdanm | 0:9b334a45a8ff | 229 | else if(hsai->Init.ClockSource == SAI_CLKSOURCE_PLLI2S) |
bogdanm | 0:9b334a45a8ff | 230 | { |
bogdanm | 0:9b334a45a8ff | 231 | /* Configure the PLLI2S division factor */ |
bogdanm | 0:9b334a45a8ff | 232 | /* PLLI2S_VCO Input = PLL_SOURCE/PLLM */ |
bogdanm | 0:9b334a45a8ff | 233 | /* PLLI2S_VCO Output = PLLI2S_VCO Input * PLLI2SN */ |
bogdanm | 0:9b334a45a8ff | 234 | /* SAI_CLK(first level) = PLLI2S_VCO Output/PLLI2SQ */ |
bogdanm | 0:9b334a45a8ff | 235 | tmpreg = (RCC->PLLI2SCFGR & RCC_PLLI2SCFGR_PLLI2SQ) >> 24; |
bogdanm | 0:9b334a45a8ff | 236 | saiclocksource = (vcoinput * ((RCC->PLLI2SCFGR & RCC_PLLI2SCFGR_PLLI2SN) >> 6))/(tmpreg); |
bogdanm | 0:9b334a45a8ff | 237 | |
bogdanm | 0:9b334a45a8ff | 238 | /* SAI_CLK_x = SAI_CLK(first level)/PLLI2SDIVQ */ |
bogdanm | 0:9b334a45a8ff | 239 | tmpreg = ((RCC->DCKCFGR & RCC_DCKCFGR_PLLI2SDIVQ) + 1); |
bogdanm | 0:9b334a45a8ff | 240 | saiclocksource = saiclocksource/(tmpreg); |
bogdanm | 0:9b334a45a8ff | 241 | } |
bogdanm | 0:9b334a45a8ff | 242 | else /* sConfig->ClockSource == SAI_CLKSource_Ext */ |
bogdanm | 0:9b334a45a8ff | 243 | { |
bogdanm | 0:9b334a45a8ff | 244 | /* Enable the External Clock selection */ |
bogdanm | 0:9b334a45a8ff | 245 | __HAL_RCC_I2S_CONFIG(RCC_I2SCLKSOURCE_EXT); |
bogdanm | 0:9b334a45a8ff | 246 | |
bogdanm | 0:9b334a45a8ff | 247 | saiclocksource = EXTERNAL_CLOCK_VALUE; |
bogdanm | 0:9b334a45a8ff | 248 | } |
mbed_official | 19:112740acecfa | 249 | #endif /* STM32F427xx || STM32F437xx || STM32F429xx || STM32F439xx || STM32F469xx || STM32F479xx */ |
bogdanm | 0:9b334a45a8ff | 250 | /* the return result is the value of SAI clock */ |
bogdanm | 0:9b334a45a8ff | 251 | return saiclocksource; |
bogdanm | 0:9b334a45a8ff | 252 | } |
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 | */ |
bogdanm | 0:9b334a45a8ff | 261 | |
mbed_official | 19:112740acecfa | 262 | #endif /* STM32F427xx || STM32F437xx || STM32F429xx || STM32F439xx || STM32F446xx || STM32F469xx || STM32F479xx */ |
bogdanm | 0:9b334a45a8ff | 263 | #endif /* HAL_SAI_MODULE_ENABLED */ |
bogdanm | 0:9b334a45a8ff | 264 | /** |
bogdanm | 0:9b334a45a8ff | 265 | * @} |
bogdanm | 0:9b334a45a8ff | 266 | */ |
bogdanm | 0:9b334a45a8ff | 267 | |
bogdanm | 0:9b334a45a8ff | 268 | /** |
bogdanm | 0:9b334a45a8ff | 269 | * @} |
bogdanm | 0:9b334a45a8ff | 270 | */ |
bogdanm | 0:9b334a45a8ff | 271 | |
bogdanm | 0:9b334a45a8ff | 272 | /************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/ |