Senior Design: Sound Monitor / DiscoAudioRecord

DISCOVERY BOARD AUDIO RECORD AND PLAYBACK. Errors are currently with LCD and QSPI definitions.

Dependencies:   BSP

main.c@3:233580d5c68e, 2015-11-22 (annotated)

Committer:
EricLew
Date:
Sun Nov 22 21:16:18 2015 +0000
Revision:
3:233580d5c68e
Parent:
0:c8cd09e8b137 
11/22/2015

Who changed what in which revision?

UserRevisionLine numberNew contents of line
EricLew 0:c8cd09e8b137 1 /**
EricLew 0:c8cd09e8b137 2 ******************************************************************************
EricLew 0:c8cd09e8b137 3 * @file DFSDM/DFSDM_AudioRecord/Src/main.c
EricLew 0:c8cd09e8b137 4 * @author MCD Application Team
EricLew 0:c8cd09e8b137 5 * @version V1.1.0
EricLew 0:c8cd09e8b137 6 * @date 16-September-2015
EricLew 0:c8cd09e8b137 7 * @brief This example describes how to use DFSDM HAL API to realize
EricLew 0:c8cd09e8b137 8 * audio recording.
EricLew 0:c8cd09e8b137 9 ******************************************************************************
EricLew 0:c8cd09e8b137 10 * @attention
EricLew 0:c8cd09e8b137 11 *
EricLew 0:c8cd09e8b137 12 * <h2><center>&copy; COPYRIGHT(c) 2015 STMicroelectronics</center></h2>
EricLew 0:c8cd09e8b137 13 *
EricLew 0:c8cd09e8b137 14 * Redistribution and use in source and binary forms, with or without modification,
EricLew 0:c8cd09e8b137 15 * are permitted provided that the following conditions are met:
EricLew 0:c8cd09e8b137 16 * 1. Redistributions of source code must retain the above copyright notice,
EricLew 0:c8cd09e8b137 17 * this list of conditions and the following disclaimer.
EricLew 0:c8cd09e8b137 18 * 2. Redistributions in binary form must reproduce the above copyright notice,
EricLew 0:c8cd09e8b137 19 * this list of conditions and the following disclaimer in the documentation
EricLew 0:c8cd09e8b137 20 * and/or other materials provided with the distribution.
EricLew 0:c8cd09e8b137 21 * 3. Neither the name of STMicroelectronics nor the names of its contributors
EricLew 0:c8cd09e8b137 22 * may be used to endorse or promote products derived from this software
EricLew 0:c8cd09e8b137 23 * without specific prior written permission.
EricLew 0:c8cd09e8b137 24 *
EricLew 0:c8cd09e8b137 25 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
EricLew 0:c8cd09e8b137 26 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
EricLew 0:c8cd09e8b137 27 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
EricLew 0:c8cd09e8b137 28 * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
EricLew 0:c8cd09e8b137 29 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
EricLew 0:c8cd09e8b137 30 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
EricLew 0:c8cd09e8b137 31 * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
EricLew 0:c8cd09e8b137 32 * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
EricLew 0:c8cd09e8b137 33 * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
EricLew 0:c8cd09e8b137 34 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
EricLew 0:c8cd09e8b137 35 *
EricLew 0:c8cd09e8b137 36 ******************************************************************************
EricLew 0:c8cd09e8b137 37 */
EricLew 0:c8cd09e8b137 38
EricLew 0:c8cd09e8b137 39 /* Includes ------------------------------------------------------------------*/
EricLew 0:c8cd09e8b137 40 #include "main.h"
EricLew 0:c8cd09e8b137 41
EricLew 0:c8cd09e8b137 42 /** @addtogroup STM32L4xx_HAL_Examples
EricLew 0:c8cd09e8b137 43 * @{
EricLew 0:c8cd09e8b137 44 */
EricLew 0:c8cd09e8b137 45
EricLew 0:c8cd09e8b137 46 /** @addtogroup DFSDM_AudioRecord
EricLew 0:c8cd09e8b137 47 * @{
EricLew 0:c8cd09e8b137 48 */
EricLew 0:c8cd09e8b137 49
EricLew 0:c8cd09e8b137 50 /* Private typedef -----------------------------------------------------------*/
EricLew 0:c8cd09e8b137 51 /* Private define ------------------------------------------------------------*/
EricLew 0:c8cd09e8b137 52 /* Private macro -------------------------------------------------------------*/
EricLew 0:c8cd09e8b137 53 #define SaturaLH(N, L, H) (((N)<(L))?(L):(((N)>(H))?(H):(N)))
EricLew 0:c8cd09e8b137 54 /* Private variables ---------------------------------------------------------*/
EricLew 0:c8cd09e8b137 55 DFSDM_Channel_HandleTypeDef DfsdmChannelHandle;
EricLew 0:c8cd09e8b137 56 DFSDM_Filter_HandleTypeDef DfsdmFilterHandle;
EricLew 0:c8cd09e8b137 57 DMA_HandleTypeDef hDfsdmDma;
EricLew 0:c8cd09e8b137 58 SAI_HandleTypeDef SaiHandle;
EricLew 0:c8cd09e8b137 59 DMA_HandleTypeDef hSaiDma;
EricLew 0:c8cd09e8b137 60 AUDIO_DrvTypeDef *audio_drv;
EricLew 0:c8cd09e8b137 61 int32_t RecBuff[2048];
EricLew 0:c8cd09e8b137 62 int16_t PlayBuff[4096];
EricLew 0:c8cd09e8b137 63 uint32_t DmaRecHalfBuffCplt = 0;
EricLew 0:c8cd09e8b137 64 uint32_t DmaRecBuffCplt = 0;
EricLew 0:c8cd09e8b137 65 uint32_t PlaybackStarted = 0;
EricLew 0:c8cd09e8b137 66 /* Private function prototypes -----------------------------------------------*/
EricLew 0:c8cd09e8b137 67 void SystemClock_Config(void);
EricLew 0:c8cd09e8b137 68 static void DFSDM_Init(void);
EricLew 0:c8cd09e8b137 69 static void Playback_Init(void);
EricLew 0:c8cd09e8b137 70
EricLew 0:c8cd09e8b137 71 /* Private functions ---------------------------------------------------------*/
EricLew 0:c8cd09e8b137 72
EricLew 0:c8cd09e8b137 73 /**
EricLew 0:c8cd09e8b137 74 * @brief Main program
EricLew 0:c8cd09e8b137 75 * @param None
EricLew 0:c8cd09e8b137 76 * @retval None
EricLew 0:c8cd09e8b137 77 */
EricLew 0:c8cd09e8b137 78 int main(void)
EricLew 0:c8cd09e8b137 79 {
EricLew 0:c8cd09e8b137 80 uint32_t i;
EricLew 0:c8cd09e8b137 81 /* STM32L4xx HAL library initialization:
EricLew 0:c8cd09e8b137 82 - Configure the Flash prefetch
EricLew 0:c8cd09e8b137 83 - Systick timer is configured by default as source of time base, but user
EricLew 0:c8cd09e8b137 84 can eventually implement his proper time base source (a general purpose
EricLew 0:c8cd09e8b137 85 timer for example or other time source), keeping in mind that Time base
EricLew 0:c8cd09e8b137 86 duration should be kept 1ms since PPP_TIMEOUT_VALUEs are defined and
EricLew 0:c8cd09e8b137 87 handled in milliseconds basis.
EricLew 0:c8cd09e8b137 88 - Set NVIC Group Priority to 4
EricLew 0:c8cd09e8b137 89 - Low Level Initialization
EricLew 0:c8cd09e8b137 90 */
EricLew 0:c8cd09e8b137 91 HAL_Init();
EricLew 0:c8cd09e8b137 92
EricLew 0:c8cd09e8b137 93 /* Configure the system clock to have a frequency of 80 MHz */
EricLew 0:c8cd09e8b137 94 SystemClock_Config();
EricLew 0:c8cd09e8b137 95
EricLew 0:c8cd09e8b137 96 /* Configure LED4 */
EricLew 0:c8cd09e8b137 97 BSP_LED_Init(LED4);
EricLew 0:c8cd09e8b137 98
EricLew 0:c8cd09e8b137 99 /* Initialize DFSDM channels and filter for record */
EricLew 0:c8cd09e8b137 100 DFSDM_Init();
EricLew 0:c8cd09e8b137 101
EricLew 0:c8cd09e8b137 102 /* Initialize playback */
EricLew 0:c8cd09e8b137 103 Playback_Init();
EricLew 0:c8cd09e8b137 104
EricLew 0:c8cd09e8b137 105 /* Start DFSDM conversions */
EricLew 0:c8cd09e8b137 106 if(HAL_OK != HAL_DFSDM_FilterRegularStart_DMA(&DfsdmFilterHandle, RecBuff, 2048))
EricLew 0:c8cd09e8b137 107 {
EricLew 0:c8cd09e8b137 108 Error_Handler();
EricLew 0:c8cd09e8b137 109 }
EricLew 0:c8cd09e8b137 110
EricLew 0:c8cd09e8b137 111 /* Start loopback */
EricLew 0:c8cd09e8b137 112 while(1)
EricLew 0:c8cd09e8b137 113 {
EricLew 0:c8cd09e8b137 114 if(DmaRecHalfBuffCplt == 1)
EricLew 0:c8cd09e8b137 115 {
EricLew 0:c8cd09e8b137 116 /* Store values on Play buff */
EricLew 0:c8cd09e8b137 117 for(i = 0; i < 1024; i++)
EricLew 0:c8cd09e8b137 118 {
EricLew 0:c8cd09e8b137 119 PlayBuff[2*i] = SaturaLH((RecBuff[i] >> 8), -32768, 32767);
EricLew 0:c8cd09e8b137 120 PlayBuff[(2*i)+1] = PlayBuff[2*i];
EricLew 0:c8cd09e8b137 121 }
EricLew 0:c8cd09e8b137 122 if(PlaybackStarted == 0)
EricLew 0:c8cd09e8b137 123 {
EricLew 0:c8cd09e8b137 124 if(0 != audio_drv->Play(AUDIO_I2C_ADDRESS, (uint16_t *) &PlayBuff[0], 4096))
EricLew 0:c8cd09e8b137 125 {
EricLew 0:c8cd09e8b137 126 Error_Handler();
EricLew 0:c8cd09e8b137 127 }
EricLew 0:c8cd09e8b137 128 if(HAL_OK != HAL_SAI_Transmit_DMA(&SaiHandle, (uint8_t *) &PlayBuff[0], 4096))
EricLew 0:c8cd09e8b137 129 {
EricLew 0:c8cd09e8b137 130 Error_Handler();
EricLew 0:c8cd09e8b137 131 }
EricLew 0:c8cd09e8b137 132 PlaybackStarted = 1;
EricLew 0:c8cd09e8b137 133 }
EricLew 0:c8cd09e8b137 134 DmaRecHalfBuffCplt = 0;
EricLew 0:c8cd09e8b137 135 }
EricLew 0:c8cd09e8b137 136 if(DmaRecBuffCplt == 1)
EricLew 0:c8cd09e8b137 137 {
EricLew 0:c8cd09e8b137 138 /* Store values on Play buff */
EricLew 0:c8cd09e8b137 139 for(i = 1024; i < 2048; i++)
EricLew 0:c8cd09e8b137 140 {
EricLew 0:c8cd09e8b137 141 PlayBuff[2*i] = SaturaLH((RecBuff[i] >> 8), -32768, 32767);
EricLew 0:c8cd09e8b137 142 PlayBuff[(2*i)+1] = PlayBuff[2*i];
EricLew 0:c8cd09e8b137 143 }
EricLew 0:c8cd09e8b137 144 DmaRecBuffCplt = 0;
EricLew 0:c8cd09e8b137 145 }
EricLew 0:c8cd09e8b137 146 }
EricLew 0:c8cd09e8b137 147 }
EricLew 0:c8cd09e8b137 148
EricLew 0:c8cd09e8b137 149 /**
EricLew 0:c8cd09e8b137 150 * @brief System Clock Configuration
EricLew 0:c8cd09e8b137 151 * The system Clock is configured as follows :
EricLew 0:c8cd09e8b137 152 * System Clock source = PLL (MSI)
EricLew 0:c8cd09e8b137 153 * SYSCLK(Hz) = 80000000
EricLew 0:c8cd09e8b137 154 * HCLK(Hz) = 80000000
EricLew 0:c8cd09e8b137 155 * AHB Prescaler = 1
EricLew 0:c8cd09e8b137 156 * APB1 Prescaler = 1
EricLew 0:c8cd09e8b137 157 * APB2 Prescaler = 1
EricLew 0:c8cd09e8b137 158 * MSI Frequency(Hz) = 4000000
EricLew 0:c8cd09e8b137 159 * PLL_M = 1
EricLew 0:c8cd09e8b137 160 * PLL_N = 40
EricLew 0:c8cd09e8b137 161 * PLL_R = 2
EricLew 0:c8cd09e8b137 162 * PLL_P = 7
EricLew 0:c8cd09e8b137 163 * PLL_Q = 4
EricLew 0:c8cd09e8b137 164 * Flash Latency(WS) = 4
EricLew 0:c8cd09e8b137 165 * @param None
EricLew 0:c8cd09e8b137 166 * @retval None
EricLew 0:c8cd09e8b137 167 */
EricLew 0:c8cd09e8b137 168 void SystemClock_Config(void)
EricLew 0:c8cd09e8b137 169 {
EricLew 0:c8cd09e8b137 170 RCC_ClkInitTypeDef RCC_ClkInitStruct = {0};
EricLew 0:c8cd09e8b137 171 RCC_OscInitTypeDef RCC_OscInitStruct = {0};
EricLew 0:c8cd09e8b137 172
EricLew 0:c8cd09e8b137 173 /* MSI is enabled after System reset, activate PLL with MSI as source */
EricLew 0:c8cd09e8b137 174 RCC_OscInitStruct.OscillatorType = RCC_OSCILLATORTYPE_MSI;
EricLew 0:c8cd09e8b137 175 RCC_OscInitStruct.MSIState = RCC_MSI_ON;
EricLew 0:c8cd09e8b137 176 RCC_OscInitStruct.MSIClockRange = RCC_MSIRANGE_6;
EricLew 0:c8cd09e8b137 177 RCC_OscInitStruct.MSICalibrationValue = RCC_MSICALIBRATION_DEFAULT;
EricLew 0:c8cd09e8b137 178 RCC_OscInitStruct.PLL.PLLState = RCC_PLL_ON;
EricLew 0:c8cd09e8b137 179 RCC_OscInitStruct.PLL.PLLSource = RCC_PLLSOURCE_MSI;
EricLew 0:c8cd09e8b137 180 RCC_OscInitStruct.PLL.PLLM = 1;
EricLew 0:c8cd09e8b137 181 RCC_OscInitStruct.PLL.PLLN = 40;
EricLew 0:c8cd09e8b137 182 RCC_OscInitStruct.PLL.PLLR = 2;
EricLew 0:c8cd09e8b137 183 RCC_OscInitStruct.PLL.PLLP = 7;
EricLew 0:c8cd09e8b137 184 RCC_OscInitStruct.PLL.PLLQ = 4;
EricLew 0:c8cd09e8b137 185 if(HAL_RCC_OscConfig(&RCC_OscInitStruct) != HAL_OK)
EricLew 0:c8cd09e8b137 186 {
EricLew 0:c8cd09e8b137 187 /* Initialization Error */
EricLew 0:c8cd09e8b137 188 while(1);
EricLew 0:c8cd09e8b137 189 }
EricLew 0:c8cd09e8b137 190
EricLew 0:c8cd09e8b137 191 /* Select PLL as system clock source and configure the HCLK, PCLK1 and PCLK2
EricLew 0:c8cd09e8b137 192 clocks dividers */
EricLew 0:c8cd09e8b137 193 RCC_ClkInitStruct.ClockType = (RCC_CLOCKTYPE_SYSCLK | RCC_CLOCKTYPE_HCLK | RCC_CLOCKTYPE_PCLK1 | RCC_CLOCKTYPE_PCLK2);
EricLew 0:c8cd09e8b137 194 RCC_ClkInitStruct.SYSCLKSource = RCC_SYSCLKSOURCE_PLLCLK;
EricLew 0:c8cd09e8b137 195 RCC_ClkInitStruct.AHBCLKDivider = RCC_SYSCLK_DIV1;
EricLew 0:c8cd09e8b137 196 RCC_ClkInitStruct.APB1CLKDivider = RCC_HCLK_DIV1;
EricLew 0:c8cd09e8b137 197 RCC_ClkInitStruct.APB2CLKDivider = RCC_HCLK_DIV1;
EricLew 0:c8cd09e8b137 198 if(HAL_RCC_ClockConfig(&RCC_ClkInitStruct, FLASH_LATENCY_4) != HAL_OK)
EricLew 0:c8cd09e8b137 199 {
EricLew 0:c8cd09e8b137 200 /* Initialization Error */
EricLew 0:c8cd09e8b137 201 while(1);
EricLew 0:c8cd09e8b137 202 }
EricLew 0:c8cd09e8b137 203 }
EricLew 0:c8cd09e8b137 204
EricLew 0:c8cd09e8b137 205 /**
EricLew 0:c8cd09e8b137 206 * @brief DFSDM channels and filter initialization
EricLew 0:c8cd09e8b137 207 * @param None
EricLew 0:c8cd09e8b137 208 * @retval None
EricLew 0:c8cd09e8b137 209 */
EricLew 0:c8cd09e8b137 210 static void DFSDM_Init(void)
EricLew 0:c8cd09e8b137 211 {
EricLew 0:c8cd09e8b137 212 /* Initialize channel 2 */
EricLew 0:c8cd09e8b137 213 __HAL_DFSDM_CHANNEL_RESET_HANDLE_STATE(&DfsdmChannelHandle);
EricLew 0:c8cd09e8b137 214 DfsdmChannelHandle.Instance = DFSDM_Channel2;
EricLew 0:c8cd09e8b137 215 DfsdmChannelHandle.Init.OutputClock.Activation = ENABLE;
EricLew 0:c8cd09e8b137 216 DfsdmChannelHandle.Init.OutputClock.Selection = DFSDM_CHANNEL_OUTPUT_CLOCK_AUDIO;
EricLew 0:c8cd09e8b137 217 DfsdmChannelHandle.Init.OutputClock.Divider = 4; /* 11.294MHz/4 = 2.82MHz */
EricLew 0:c8cd09e8b137 218 DfsdmChannelHandle.Init.Input.Multiplexer = DFSDM_CHANNEL_EXTERNAL_INPUTS;
EricLew 0:c8cd09e8b137 219 DfsdmChannelHandle.Init.Input.DataPacking = DFSDM_CHANNEL_STANDARD_MODE; /* N.U. */
EricLew 0:c8cd09e8b137 220 DfsdmChannelHandle.Init.Input.Pins = DFSDM_CHANNEL_SAME_CHANNEL_PINS;
EricLew 0:c8cd09e8b137 221 DfsdmChannelHandle.Init.SerialInterface.Type = DFSDM_CHANNEL_SPI_RISING;
EricLew 0:c8cd09e8b137 222 DfsdmChannelHandle.Init.SerialInterface.SpiClock = DFSDM_CHANNEL_SPI_CLOCK_INTERNAL;
EricLew 0:c8cd09e8b137 223 DfsdmChannelHandle.Init.Awd.FilterOrder = DFSDM_CHANNEL_FASTSINC_ORDER; /* N.U. */
EricLew 0:c8cd09e8b137 224 DfsdmChannelHandle.Init.Awd.Oversampling = 10; /* N.U. */
EricLew 0:c8cd09e8b137 225 DfsdmChannelHandle.Init.Offset = 0;
EricLew 0:c8cd09e8b137 226 DfsdmChannelHandle.Init.RightBitShift = 2;
EricLew 0:c8cd09e8b137 227 if(HAL_OK != HAL_DFSDM_ChannelInit(&DfsdmChannelHandle))
EricLew 0:c8cd09e8b137 228 {
EricLew 0:c8cd09e8b137 229 Error_Handler();
EricLew 0:c8cd09e8b137 230 }
EricLew 0:c8cd09e8b137 231
EricLew 0:c8cd09e8b137 232 /* Initialize filter 0 */
EricLew 0:c8cd09e8b137 233 __HAL_DFSDM_FILTER_RESET_HANDLE_STATE(&DfsdmFilterHandle);
EricLew 0:c8cd09e8b137 234 DfsdmFilterHandle.Instance = DFSDM_Filter0;
EricLew 0:c8cd09e8b137 235 DfsdmFilterHandle.Init.RegularParam.Trigger = DFSDM_FILTER_SW_TRIGGER;
EricLew 0:c8cd09e8b137 236 DfsdmFilterHandle.Init.RegularParam.FastMode = ENABLE;
EricLew 0:c8cd09e8b137 237 DfsdmFilterHandle.Init.RegularParam.DmaMode = ENABLE;
EricLew 0:c8cd09e8b137 238 DfsdmFilterHandle.Init.InjectedParam.Trigger = DFSDM_FILTER_SW_TRIGGER; /* N.U. */
EricLew 0:c8cd09e8b137 239 DfsdmFilterHandle.Init.InjectedParam.ScanMode = ENABLE; /* N.U. */
EricLew 0:c8cd09e8b137 240 DfsdmFilterHandle.Init.InjectedParam.DmaMode = DISABLE; /* N.U. */
EricLew 0:c8cd09e8b137 241 DfsdmFilterHandle.Init.InjectedParam.ExtTrigger = DFSDM_FILTER_EXT_TRIG_TIM1_TRGO; /* N.U. */
EricLew 0:c8cd09e8b137 242 DfsdmFilterHandle.Init.InjectedParam.ExtTriggerEdge = DFSDM_FILTER_EXT_TRIG_RISING_EDGE; /* N.U. */
EricLew 0:c8cd09e8b137 243 DfsdmFilterHandle.Init.FilterParam.SincOrder = DFSDM_FILTER_SINC3_ORDER;
EricLew 0:c8cd09e8b137 244 DfsdmFilterHandle.Init.FilterParam.Oversampling = 64; /* 11.294MHz/(4*64) = 44.1KHz */
EricLew 0:c8cd09e8b137 245 DfsdmFilterHandle.Init.FilterParam.IntOversampling = 1;
EricLew 0:c8cd09e8b137 246 if(HAL_OK != HAL_DFSDM_FilterInit(&DfsdmFilterHandle))
EricLew 0:c8cd09e8b137 247 {
EricLew 0:c8cd09e8b137 248 Error_Handler();
EricLew 0:c8cd09e8b137 249 }
EricLew 0:c8cd09e8b137 250
EricLew 0:c8cd09e8b137 251 /* Configure regular channel and continuous mode for filter 0 */
EricLew 0:c8cd09e8b137 252 if(HAL_OK != HAL_DFSDM_FilterConfigRegChannel(&DfsdmFilterHandle, DFSDM_CHANNEL_2, DFSDM_CONTINUOUS_CONV_ON))
EricLew 0:c8cd09e8b137 253 {
EricLew 0:c8cd09e8b137 254 Error_Handler();
EricLew 0:c8cd09e8b137 255 }
EricLew 0:c8cd09e8b137 256 }
EricLew 0:c8cd09e8b137 257
EricLew 0:c8cd09e8b137 258 /**
EricLew 0:c8cd09e8b137 259 * @brief Playback initialization
EricLew 0:c8cd09e8b137 260 * @param None
EricLew 0:c8cd09e8b137 261 * @retval None
EricLew 0:c8cd09e8b137 262 */
EricLew 0:c8cd09e8b137 263 static void Playback_Init(void)
EricLew 0:c8cd09e8b137 264 {
EricLew 0:c8cd09e8b137 265 /* Initialize SAI */
EricLew 0:c8cd09e8b137 266 __HAL_SAI_RESET_HANDLE_STATE(&SaiHandle);
EricLew 0:c8cd09e8b137 267
EricLew 0:c8cd09e8b137 268 SaiHandle.Instance = SAI1_Block_A;
EricLew 0:c8cd09e8b137 269
EricLew 0:c8cd09e8b137 270 SaiHandle.Init.AudioMode = SAI_MODEMASTER_TX;
EricLew 0:c8cd09e8b137 271 SaiHandle.Init.Synchro = SAI_ASYNCHRONOUS;
EricLew 0:c8cd09e8b137 272 SaiHandle.Init.SynchroExt = SAI_SYNCEXT_DISABLE;
EricLew 0:c8cd09e8b137 273 SaiHandle.Init.OutputDrive = SAI_OUTPUTDRIVE_ENABLE;
EricLew 0:c8cd09e8b137 274 SaiHandle.Init.NoDivider = SAI_MASTERDIVIDER_ENABLE;
EricLew 0:c8cd09e8b137 275 SaiHandle.Init.FIFOThreshold = SAI_FIFOTHRESHOLD_1QF;
EricLew 0:c8cd09e8b137 276 SaiHandle.Init.AudioFrequency = SAI_AUDIO_FREQUENCY_44K;
EricLew 0:c8cd09e8b137 277 SaiHandle.Init.Mckdiv = 0; /* N.U */
EricLew 0:c8cd09e8b137 278 SaiHandle.Init.MonoStereoMode = SAI_STEREOMODE;
EricLew 0:c8cd09e8b137 279 SaiHandle.Init.CompandingMode = SAI_NOCOMPANDING;
EricLew 0:c8cd09e8b137 280 SaiHandle.Init.TriState = SAI_OUTPUT_NOTRELEASED;
EricLew 0:c8cd09e8b137 281 SaiHandle.Init.Protocol = SAI_FREE_PROTOCOL;
EricLew 0:c8cd09e8b137 282 SaiHandle.Init.DataSize = SAI_DATASIZE_16;
EricLew 0:c8cd09e8b137 283 SaiHandle.Init.FirstBit = SAI_FIRSTBIT_MSB;
EricLew 0:c8cd09e8b137 284 SaiHandle.Init.ClockStrobing = SAI_CLOCKSTROBING_RISINGEDGE;
EricLew 0:c8cd09e8b137 285
EricLew 0:c8cd09e8b137 286 SaiHandle.FrameInit.FrameLength = 32;
EricLew 0:c8cd09e8b137 287 SaiHandle.FrameInit.ActiveFrameLength = 16;
EricLew 0:c8cd09e8b137 288 SaiHandle.FrameInit.FSDefinition = SAI_FS_CHANNEL_IDENTIFICATION;
EricLew 0:c8cd09e8b137 289 SaiHandle.FrameInit.FSPolarity = SAI_FS_ACTIVE_LOW;
EricLew 0:c8cd09e8b137 290 SaiHandle.FrameInit.FSOffset = SAI_FS_BEFOREFIRSTBIT;
EricLew 0:c8cd09e8b137 291
EricLew 0:c8cd09e8b137 292 SaiHandle.SlotInit.FirstBitOffset = 0;
EricLew 0:c8cd09e8b137 293 SaiHandle.SlotInit.SlotSize = SAI_SLOTSIZE_DATASIZE;
EricLew 0:c8cd09e8b137 294 SaiHandle.SlotInit.SlotNumber = 2;
EricLew 0:c8cd09e8b137 295 SaiHandle.SlotInit.SlotActive = (SAI_SLOTACTIVE_0 | SAI_SLOTACTIVE_1);
EricLew 0:c8cd09e8b137 296
EricLew 0:c8cd09e8b137 297 if(HAL_OK != HAL_SAI_Init(&SaiHandle))
EricLew 0:c8cd09e8b137 298 {
EricLew 0:c8cd09e8b137 299 Error_Handler();
EricLew 0:c8cd09e8b137 300 }
EricLew 0:c8cd09e8b137 301
EricLew 0:c8cd09e8b137 302 /* Enable SAI to generate clock used by audio driver */
EricLew 0:c8cd09e8b137 303 __HAL_SAI_ENABLE(&SaiHandle);
EricLew 0:c8cd09e8b137 304
EricLew 0:c8cd09e8b137 305 /* Initialize audio driver */
EricLew 0:c8cd09e8b137 306 if(CS43L22_ID != cs43l22_drv.ReadID(AUDIO_I2C_ADDRESS))
EricLew 0:c8cd09e8b137 307 {
EricLew 0:c8cd09e8b137 308 Error_Handler();
EricLew 0:c8cd09e8b137 309 }
EricLew 0:c8cd09e8b137 310 audio_drv = &cs43l22_drv;
EricLew 0:c8cd09e8b137 311 audio_drv->Reset(AUDIO_I2C_ADDRESS);
EricLew 0:c8cd09e8b137 312 if(0 != audio_drv->Init(AUDIO_I2C_ADDRESS, OUTPUT_DEVICE_HEADPHONE, 90, AUDIO_FREQUENCY_44K))
EricLew 0:c8cd09e8b137 313 {
EricLew 0:c8cd09e8b137 314 Error_Handler();
EricLew 0:c8cd09e8b137 315 }
EricLew 0:c8cd09e8b137 316 }
EricLew 0:c8cd09e8b137 317
EricLew 0:c8cd09e8b137 318 /**
EricLew 0:c8cd09e8b137 319 * @brief This function is executed in case of error occurrence.
EricLew 0:c8cd09e8b137 320 * @param None
EricLew 0:c8cd09e8b137 321 * @retval None
EricLew 0:c8cd09e8b137 322 */
EricLew 0:c8cd09e8b137 323 void Error_Handler(void)
EricLew 0:c8cd09e8b137 324 {
EricLew 0:c8cd09e8b137 325 while (1)
EricLew 0:c8cd09e8b137 326 {
EricLew 0:c8cd09e8b137 327 /* Toggle LED4 with a period of one second */
EricLew 0:c8cd09e8b137 328 BSP_LED_Toggle(LED4);
EricLew 0:c8cd09e8b137 329 HAL_Delay(1000);
EricLew 0:c8cd09e8b137 330 }
EricLew 0:c8cd09e8b137 331 }
EricLew 0:c8cd09e8b137 332
EricLew 0:c8cd09e8b137 333 /**
EricLew 0:c8cd09e8b137 334 * @brief Initializes the DFSDM channel MSP.
EricLew 0:c8cd09e8b137 335 * @param hdfsdm_channel : DFSDM channel handle.
EricLew 0:c8cd09e8b137 336 * @retval None
EricLew 0:c8cd09e8b137 337 */
EricLew 3:233580d5c68e 338
EricLew 3:233580d5c68e 339
EricLew 0:c8cd09e8b137 340 void HAL_DFSDM_ChannelMspInit(DFSDM_Channel_HandleTypeDef *hdfsdm_channel)
EricLew 0:c8cd09e8b137 341 {
EricLew 0:c8cd09e8b137 342 /* Init of clock, gpio and PLLSAI1 clock */
EricLew 0:c8cd09e8b137 343 GPIO_InitTypeDef GPIO_Init;
EricLew 0:c8cd09e8b137 344 RCC_PeriphCLKInitTypeDef RCC_PeriphCLKInitStruct;
EricLew 0:c8cd09e8b137 345
EricLew 0:c8cd09e8b137 346 /* Enable DFSDM clock */
EricLew 0:c8cd09e8b137 347 __HAL_RCC_DFSDM_CLK_ENABLE();
EricLew 0:c8cd09e8b137 348
EricLew 0:c8cd09e8b137 349 /* Configure PE9 for DFSDM_CKOUT and PE7 for DFSDM_DATIN2 */
EricLew 0:c8cd09e8b137 350 __HAL_RCC_GPIOE_CLK_ENABLE();
EricLew 0:c8cd09e8b137 351 GPIO_Init.Mode = GPIO_MODE_AF_PP;
EricLew 0:c8cd09e8b137 352 GPIO_Init.Pull = GPIO_PULLDOWN;
EricLew 0:c8cd09e8b137 353 GPIO_Init.Speed = GPIO_SPEED_FREQ_VERY_HIGH;
EricLew 0:c8cd09e8b137 354 GPIO_Init.Alternate = GPIO_AF6_DFSDM;
EricLew 0:c8cd09e8b137 355 GPIO_Init.Pin = GPIO_PIN_9;
EricLew 0:c8cd09e8b137 356 HAL_GPIO_Init(GPIOE, &GPIO_Init);
EricLew 0:c8cd09e8b137 357 GPIO_Init.Pin = GPIO_PIN_7;
EricLew 0:c8cd09e8b137 358 HAL_GPIO_Init(GPIOE, &GPIO_Init);
EricLew 0:c8cd09e8b137 359
EricLew 0:c8cd09e8b137 360 /* Configure and enable PLLSAI1 clock to generate 11.294MHz */
EricLew 0:c8cd09e8b137 361 RCC_PeriphCLKInitStruct.PeriphClockSelection = RCC_PERIPHCLK_SAI1;
EricLew 0:c8cd09e8b137 362 RCC_PeriphCLKInitStruct.PLLSAI1.PLLSAI1N = 48;
EricLew 0:c8cd09e8b137 363 RCC_PeriphCLKInitStruct.PLLSAI1.PLLSAI1P = 17;
EricLew 0:c8cd09e8b137 364 RCC_PeriphCLKInitStruct.PLLSAI1.PLLSAI1ClockOut = RCC_PLLSAI1_SAI1CLK;
EricLew 0:c8cd09e8b137 365 RCC_PeriphCLKInitStruct.Sai1ClockSelection = RCC_SAI1CLKSOURCE_PLLSAI1;
EricLew 0:c8cd09e8b137 366 if(HAL_RCCEx_PeriphCLKConfig(&RCC_PeriphCLKInitStruct) != HAL_OK)
EricLew 0:c8cd09e8b137 367 {
EricLew 0:c8cd09e8b137 368 Error_Handler();
EricLew 0:c8cd09e8b137 369 }
EricLew 0:c8cd09e8b137 370 }
EricLew 0:c8cd09e8b137 371
EricLew 0:c8cd09e8b137 372 /**
EricLew 0:c8cd09e8b137 373 * @brief Initializes the DFSDM filter MSP.
EricLew 0:c8cd09e8b137 374 * @param hdfsdm_filter : DFSDM filter handle.
EricLew 0:c8cd09e8b137 375 * @retval None
EricLew 0:c8cd09e8b137 376 */
EricLew 0:c8cd09e8b137 377 void HAL_DFSDM_FilterMspInit(DFSDM_Filter_HandleTypeDef *hdfsdm_filter)
EricLew 0:c8cd09e8b137 378 {
EricLew 0:c8cd09e8b137 379 /* Configure DMA1_Channel4 */
EricLew 0:c8cd09e8b137 380 __HAL_RCC_DMA1_CLK_ENABLE();
EricLew 0:c8cd09e8b137 381 hDfsdmDma.Init.Request = DMA_REQUEST_0;
EricLew 0:c8cd09e8b137 382 hDfsdmDma.Init.Direction = DMA_PERIPH_TO_MEMORY;
EricLew 0:c8cd09e8b137 383 hDfsdmDma.Init.PeriphInc = DMA_PINC_DISABLE;
EricLew 0:c8cd09e8b137 384 hDfsdmDma.Init.MemInc = DMA_MINC_ENABLE;
EricLew 0:c8cd09e8b137 385 hDfsdmDma.Init.PeriphDataAlignment = DMA_PDATAALIGN_WORD;
EricLew 0:c8cd09e8b137 386 hDfsdmDma.Init.MemDataAlignment = DMA_MDATAALIGN_WORD;
EricLew 0:c8cd09e8b137 387 hDfsdmDma.Init.Mode = DMA_CIRCULAR;
EricLew 0:c8cd09e8b137 388 hDfsdmDma.Init.Priority = DMA_PRIORITY_HIGH;
EricLew 0:c8cd09e8b137 389 hDfsdmDma.Instance = DMA1_Channel4;
EricLew 0:c8cd09e8b137 390 __HAL_LINKDMA(hdfsdm_filter, hdmaReg, hDfsdmDma);
EricLew 0:c8cd09e8b137 391 if (HAL_OK != HAL_DMA_Init(&hDfsdmDma))
EricLew 0:c8cd09e8b137 392 {
EricLew 0:c8cd09e8b137 393 Error_Handler();
EricLew 0:c8cd09e8b137 394 }
EricLew 0:c8cd09e8b137 395 HAL_NVIC_SetPriority(DMA1_Channel4_IRQn, 0x01, 0);
EricLew 0:c8cd09e8b137 396 HAL_NVIC_EnableIRQ(DMA1_Channel4_IRQn);
EricLew 0:c8cd09e8b137 397 }
EricLew 0:c8cd09e8b137 398
EricLew 0:c8cd09e8b137 399 /**
EricLew 0:c8cd09e8b137 400 * @brief SAI MSP Init.
EricLew 0:c8cd09e8b137 401 * @param hsai : pointer to a SAI_HandleTypeDef structure that contains
EricLew 0:c8cd09e8b137 402 * the configuration information for SAI module.
EricLew 0:c8cd09e8b137 403 * @retval None
EricLew 0:c8cd09e8b137 404 */
EricLew 0:c8cd09e8b137 405 void HAL_SAI_MspInit(SAI_HandleTypeDef *hsai)
EricLew 0:c8cd09e8b137 406 {
EricLew 0:c8cd09e8b137 407 GPIO_InitTypeDef GPIO_Init;
EricLew 0:c8cd09e8b137 408
EricLew 0:c8cd09e8b137 409 /* Enable SAI1 clock */
EricLew 0:c8cd09e8b137 410 __HAL_RCC_SAI1_CLK_ENABLE();
EricLew 0:c8cd09e8b137 411
EricLew 0:c8cd09e8b137 412 /* Configure GPIOs used for SAI1 */
EricLew 0:c8cd09e8b137 413 __HAL_RCC_GPIOE_CLK_ENABLE();
EricLew 0:c8cd09e8b137 414 GPIO_Init.Mode = GPIO_MODE_AF_PP;
EricLew 0:c8cd09e8b137 415 GPIO_Init.Pull = GPIO_NOPULL;
EricLew 0:c8cd09e8b137 416 GPIO_Init.Speed = GPIO_SPEED_FREQ_VERY_HIGH;
EricLew 0:c8cd09e8b137 417 GPIO_Init.Alternate = GPIO_AF13_SAI1;
EricLew 0:c8cd09e8b137 418 GPIO_Init.Pin = (GPIO_PIN_2 | GPIO_PIN_4 | GPIO_PIN_5 | GPIO_PIN_6);
EricLew 0:c8cd09e8b137 419 HAL_GPIO_Init(GPIOE, &GPIO_Init);
EricLew 0:c8cd09e8b137 420
EricLew 0:c8cd09e8b137 421 /* Configure DMA used for SAI1 */
EricLew 0:c8cd09e8b137 422 __HAL_RCC_DMA2_CLK_ENABLE();
EricLew 0:c8cd09e8b137 423 hSaiDma.Init.Request = DMA_REQUEST_1;
EricLew 0:c8cd09e8b137 424 hSaiDma.Init.Direction = DMA_MEMORY_TO_PERIPH;
EricLew 0:c8cd09e8b137 425 hSaiDma.Init.PeriphInc = DMA_PINC_DISABLE;
EricLew 0:c8cd09e8b137 426 hSaiDma.Init.MemInc = DMA_MINC_ENABLE;
EricLew 0:c8cd09e8b137 427 hSaiDma.Init.PeriphDataAlignment = DMA_PDATAALIGN_HALFWORD;
EricLew 0:c8cd09e8b137 428 hSaiDma.Init.MemDataAlignment = DMA_MDATAALIGN_HALFWORD;
EricLew 0:c8cd09e8b137 429 hSaiDma.Init.Mode = DMA_CIRCULAR;
EricLew 0:c8cd09e8b137 430 hSaiDma.Init.Priority = DMA_PRIORITY_HIGH;
EricLew 0:c8cd09e8b137 431 hSaiDma.Instance = DMA2_Channel1;
EricLew 0:c8cd09e8b137 432 __HAL_LINKDMA(hsai, hdmatx, hSaiDma);
EricLew 0:c8cd09e8b137 433 if (HAL_OK != HAL_DMA_Init(&hSaiDma))
EricLew 0:c8cd09e8b137 434 {
EricLew 0:c8cd09e8b137 435 Error_Handler();
EricLew 0:c8cd09e8b137 436 }
EricLew 0:c8cd09e8b137 437 HAL_NVIC_SetPriority(DMA2_Channel1_IRQn, 0x01, 0);
EricLew 0:c8cd09e8b137 438 HAL_NVIC_EnableIRQ(DMA2_Channel1_IRQn);
EricLew 0:c8cd09e8b137 439 }
EricLew 0:c8cd09e8b137 440
EricLew 0:c8cd09e8b137 441 /**
EricLew 0:c8cd09e8b137 442 * @brief Half regular conversion complete callback.
EricLew 0:c8cd09e8b137 443 * @param hdfsdm_filter : DFSDM filter handle.
EricLew 0:c8cd09e8b137 444 * @retval None
EricLew 0:c8cd09e8b137 445 */
EricLew 0:c8cd09e8b137 446 void HAL_DFSDM_FilterRegConvHalfCpltCallback(DFSDM_Filter_HandleTypeDef *hdfsdm_filter)
EricLew 0:c8cd09e8b137 447 {
EricLew 0:c8cd09e8b137 448 DmaRecHalfBuffCplt = 1;
EricLew 0:c8cd09e8b137 449 }
EricLew 0:c8cd09e8b137 450
EricLew 0:c8cd09e8b137 451 /**
EricLew 0:c8cd09e8b137 452 * @brief Regular conversion complete callback.
EricLew 0:c8cd09e8b137 453 * @note In interrupt mode, user has to read conversion value in this function
EricLew 0:c8cd09e8b137 454 using HAL_DFSDM_FilterGetRegularValue.
EricLew 0:c8cd09e8b137 455 * @param hdfsdm_filter : DFSDM filter handle.
EricLew 0:c8cd09e8b137 456 * @retval None
EricLew 0:c8cd09e8b137 457 */
EricLew 0:c8cd09e8b137 458 void HAL_DFSDM_FilterRegConvCpltCallback(DFSDM_Filter_HandleTypeDef *hdfsdm_filter)
EricLew 0:c8cd09e8b137 459 {
EricLew 0:c8cd09e8b137 460 DmaRecBuffCplt = 1;
EricLew 0:c8cd09e8b137 461 }
EricLew 0:c8cd09e8b137 462
EricLew 0:c8cd09e8b137 463 #ifdef USE_FULL_ASSERT
EricLew 0:c8cd09e8b137 464 /**
EricLew 0:c8cd09e8b137 465 * @brief Reports the name of the source file and the source line number
EricLew 0:c8cd09e8b137 466 * where the assert_param error has occurred.
EricLew 0:c8cd09e8b137 467 * @param file: pointer to the source file name
EricLew 0:c8cd09e8b137 468 * @param line: assert_param error line source number
EricLew 0:c8cd09e8b137 469 * @retval None
EricLew 0:c8cd09e8b137 470 */
EricLew 0:c8cd09e8b137 471 void assert_failed(uint8_t* file, uint32_t line)
EricLew 0:c8cd09e8b137 472 {
EricLew 0:c8cd09e8b137 473 /* User can add his own implementation to report the file name and line number,
EricLew 0:c8cd09e8b137 474 ex: printf("Wrong parameters value: file %s on line %d\r\n", file, line) */
EricLew 0:c8cd09e8b137 475
EricLew 0:c8cd09e8b137 476 /* Infinite loop */
EricLew 0:c8cd09e8b137 477 while (1)
EricLew 0:c8cd09e8b137 478 {
EricLew 0:c8cd09e8b137 479 }
EricLew 0:c8cd09e8b137 480 }
EricLew 0:c8cd09e8b137 481 #endif
EricLew 0:c8cd09e8b137 482
EricLew 0:c8cd09e8b137 483 /**
EricLew 0:c8cd09e8b137 484 * @}
EricLew 0:c8cd09e8b137 485 */
EricLew 0:c8cd09e8b137 486
EricLew 0:c8cd09e8b137 487 /**
EricLew 0:c8cd09e8b137 488 * @}
EricLew 0:c8cd09e8b137 489 */
EricLew 0:c8cd09e8b137 490
EricLew 0:c8cd09e8b137 491 /************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/
EricLew 0:c8cd09e8b137 492