不韋 呂 / F746_SAI_IO

SAI_IO class for using CODEC (MW8994) as analog input and output. このライブラリを登録した際のプログラム：「F746_AudioIO_Demo」

Dependencies:   Array_Matrix

Dependents:   F746_SD_WavPlayer F746_SD_GraphicEqualizer_ren0620 Joerg_turbo_ede CW_Decoder_using_FFT_on_DiscoF746NG ... more

BSP_AudioOut_Overwrite.cpp@12:61e2c3cc79a3, 2018-03-12 (annotated)

Committer:
MikamiUitOpen
Date:
Mon Mar 12 04:51:31 2018 +0000
Revision:
12:61e2c3cc79a3
Parent:
0:eade5d3ae0eb 
13

Who changed what in which revision?

UserRevisionLine numberNew contents of line
MikamiUitOpen 0:eade5d3ae0eb 1 //------------------------------------------------------------------------------
MikamiUitOpen 0:eade5d3ae0eb 2 // Overwrite functuions and define calback functions
MikamiUitOpen 0:eade5d3ae0eb 3 // for functions in stm32746g_discovery_audio.cpp
MikamiUitOpen 0:eade5d3ae0eb 4 //
MikamiUitOpen 0:eade5d3ae0eb 5 // Original version: BSP_overwrite.cpp by Nanase
MikamiUitOpen 0:eade5d3ae0eb 6 // https://developer.mbed.org/users/nanase/code/DISCO-F746NG_Sweep/
MikamiUitOpen 0:eade5d3ae0eb 7 //------------------------------------------------------------------------------
MikamiUitOpen 0:eade5d3ae0eb 8 #include "BSP_AudioOut_Overwrite.hpp"
MikamiUitOpen 0:eade5d3ae0eb 9
MikamiUitOpen 0:eade5d3ae0eb 10 // These three callback functions are modyfied by Mikami
MikamiUitOpen 0:eade5d3ae0eb 11 void BSP_AUDIO_OUT_HalfTransfer_CallBack()
MikamiUitOpen 0:eade5d3ae0eb 12 {
MikamiUitOpen 0:eade5d3ae0eb 13 Mikami::SaiIO::FillBuffer1st();
MikamiUitOpen 0:eade5d3ae0eb 14 }
MikamiUitOpen 0:eade5d3ae0eb 15
MikamiUitOpen 0:eade5d3ae0eb 16 void BSP_AUDIO_OUT_TransferComplete_CallBack()
MikamiUitOpen 0:eade5d3ae0eb 17 {
MikamiUitOpen 0:eade5d3ae0eb 18 Mikami::SaiIO::FillBuffer2nd();
MikamiUitOpen 0:eade5d3ae0eb 19 }
MikamiUitOpen 0:eade5d3ae0eb 20
MikamiUitOpen 0:eade5d3ae0eb 21 void BSP_AUDIO_OUT_Error_CallBack()
MikamiUitOpen 0:eade5d3ae0eb 22 {
MikamiUitOpen 0:eade5d3ae0eb 23 Mikami::SaiIO::ErrorTrap();
MikamiUitOpen 0:eade5d3ae0eb 24 }
MikamiUitOpen 0:eade5d3ae0eb 25
MikamiUitOpen 0:eade5d3ae0eb 26 //--------------------------------------------------------------
MikamiUitOpen 0:eade5d3ae0eb 27 // Followings are original by Nanase
MikamiUitOpen 0:eade5d3ae0eb 28 //--------------------------------------------------------------
MikamiUitOpen 0:eade5d3ae0eb 29
MikamiUitOpen 0:eade5d3ae0eb 30 DMA_HandleTypeDef hdma_sai_tx;
MikamiUitOpen 0:eade5d3ae0eb 31
MikamiUitOpen 0:eade5d3ae0eb 32 void AUDIO_OUT_SAIx_DMAx_IRQHandler()
MikamiUitOpen 0:eade5d3ae0eb 33 {
MikamiUitOpen 0:eade5d3ae0eb 34 HAL_DMA_IRQHandler(&hdma_sai_tx);
MikamiUitOpen 0:eade5d3ae0eb 35 }
MikamiUitOpen 0:eade5d3ae0eb 36
MikamiUitOpen 0:eade5d3ae0eb 37 void BSP_AUDIO_OUT_MspInit(SAI_HandleTypeDef *hsai, void *Params)
MikamiUitOpen 0:eade5d3ae0eb 38 {
MikamiUitOpen 0:eade5d3ae0eb 39 //static DMA_HandleTypeDef hdma_sai_tx;
MikamiUitOpen 0:eade5d3ae0eb 40 GPIO_InitTypeDef gpio_init_structure;
MikamiUitOpen 0:eade5d3ae0eb 41
MikamiUitOpen 0:eade5d3ae0eb 42 /* Enable SAI clock */
MikamiUitOpen 0:eade5d3ae0eb 43 AUDIO_OUT_SAIx_CLK_ENABLE();
MikamiUitOpen 0:eade5d3ae0eb 44
MikamiUitOpen 0:eade5d3ae0eb 45 /* Enable GPIO clock */
MikamiUitOpen 0:eade5d3ae0eb 46 AUDIO_OUT_SAIx_MCLK_ENABLE();
MikamiUitOpen 0:eade5d3ae0eb 47 AUDIO_OUT_SAIx_SCK_SD_ENABLE();
MikamiUitOpen 0:eade5d3ae0eb 48 AUDIO_OUT_SAIx_FS_ENABLE();
MikamiUitOpen 0:eade5d3ae0eb 49
MikamiUitOpen 0:eade5d3ae0eb 50 /* CODEC_SAI pins configuration: FS, SCK, MCK and SD pins ------------------*/
MikamiUitOpen 0:eade5d3ae0eb 51 gpio_init_structure.Pin = AUDIO_OUT_SAIx_FS_PIN;
MikamiUitOpen 0:eade5d3ae0eb 52 gpio_init_structure.Mode = GPIO_MODE_AF_PP;
MikamiUitOpen 0:eade5d3ae0eb 53 gpio_init_structure.Pull = GPIO_NOPULL;
MikamiUitOpen 0:eade5d3ae0eb 54 gpio_init_structure.Speed = GPIO_SPEED_HIGH;
MikamiUitOpen 0:eade5d3ae0eb 55 gpio_init_structure.Alternate = AUDIO_OUT_SAIx_FS_SD_MCLK_AF;
MikamiUitOpen 0:eade5d3ae0eb 56 HAL_GPIO_Init(AUDIO_OUT_SAIx_FS_GPIO_PORT, &gpio_init_structure);
MikamiUitOpen 0:eade5d3ae0eb 57
MikamiUitOpen 0:eade5d3ae0eb 58 gpio_init_structure.Pin = AUDIO_OUT_SAIx_SCK_PIN;
MikamiUitOpen 0:eade5d3ae0eb 59 gpio_init_structure.Mode = GPIO_MODE_AF_PP;
MikamiUitOpen 0:eade5d3ae0eb 60 gpio_init_structure.Pull = GPIO_NOPULL;
MikamiUitOpen 0:eade5d3ae0eb 61 gpio_init_structure.Speed = GPIO_SPEED_HIGH;
MikamiUitOpen 0:eade5d3ae0eb 62 gpio_init_structure.Alternate = AUDIO_OUT_SAIx_SCK_AF;
MikamiUitOpen 0:eade5d3ae0eb 63 HAL_GPIO_Init(AUDIO_OUT_SAIx_SCK_SD_GPIO_PORT, &gpio_init_structure);
MikamiUitOpen 0:eade5d3ae0eb 64
MikamiUitOpen 0:eade5d3ae0eb 65 gpio_init_structure.Pin = AUDIO_OUT_SAIx_SD_PIN;
MikamiUitOpen 0:eade5d3ae0eb 66 gpio_init_structure.Mode = GPIO_MODE_AF_PP;
MikamiUitOpen 0:eade5d3ae0eb 67 gpio_init_structure.Pull = GPIO_NOPULL;
MikamiUitOpen 0:eade5d3ae0eb 68 gpio_init_structure.Speed = GPIO_SPEED_HIGH;
MikamiUitOpen 0:eade5d3ae0eb 69 gpio_init_structure.Alternate = AUDIO_OUT_SAIx_FS_SD_MCLK_AF;
MikamiUitOpen 0:eade5d3ae0eb 70 HAL_GPIO_Init(AUDIO_OUT_SAIx_SCK_SD_GPIO_PORT, &gpio_init_structure);
MikamiUitOpen 0:eade5d3ae0eb 71
MikamiUitOpen 0:eade5d3ae0eb 72 gpio_init_structure.Pin = AUDIO_OUT_SAIx_MCLK_PIN;
MikamiUitOpen 0:eade5d3ae0eb 73 gpio_init_structure.Mode = GPIO_MODE_AF_PP;
MikamiUitOpen 0:eade5d3ae0eb 74 gpio_init_structure.Pull = GPIO_NOPULL;
MikamiUitOpen 0:eade5d3ae0eb 75 gpio_init_structure.Speed = GPIO_SPEED_HIGH;
MikamiUitOpen 0:eade5d3ae0eb 76 gpio_init_structure.Alternate = AUDIO_OUT_SAIx_FS_SD_MCLK_AF;
MikamiUitOpen 0:eade5d3ae0eb 77 HAL_GPIO_Init(AUDIO_OUT_SAIx_MCLK_GPIO_PORT, &gpio_init_structure);
MikamiUitOpen 0:eade5d3ae0eb 78
MikamiUitOpen 0:eade5d3ae0eb 79 /* Enable the DMA clock */
MikamiUitOpen 0:eade5d3ae0eb 80 AUDIO_OUT_SAIx_DMAx_CLK_ENABLE();
MikamiUitOpen 0:eade5d3ae0eb 81
MikamiUitOpen 0:eade5d3ae0eb 82 if(hsai->Instance == AUDIO_OUT_SAIx)
MikamiUitOpen 0:eade5d3ae0eb 83 {
MikamiUitOpen 0:eade5d3ae0eb 84 /* Configure the hdma_saiTx handle parameters */
MikamiUitOpen 0:eade5d3ae0eb 85 hdma_sai_tx.Init.Channel = AUDIO_OUT_SAIx_DMAx_CHANNEL;
MikamiUitOpen 0:eade5d3ae0eb 86 hdma_sai_tx.Init.Direction = DMA_MEMORY_TO_PERIPH;
MikamiUitOpen 0:eade5d3ae0eb 87 hdma_sai_tx.Init.PeriphInc = DMA_PINC_DISABLE;
MikamiUitOpen 0:eade5d3ae0eb 88 hdma_sai_tx.Init.MemInc = DMA_MINC_ENABLE;
MikamiUitOpen 0:eade5d3ae0eb 89 hdma_sai_tx.Init.PeriphDataAlignment = AUDIO_OUT_SAIx_DMAx_PERIPH_DATA_SIZE;
MikamiUitOpen 0:eade5d3ae0eb 90 hdma_sai_tx.Init.MemDataAlignment = AUDIO_OUT_SAIx_DMAx_MEM_DATA_SIZE;
MikamiUitOpen 0:eade5d3ae0eb 91 hdma_sai_tx.Init.Mode = DMA_CIRCULAR;
MikamiUitOpen 0:eade5d3ae0eb 92 hdma_sai_tx.Init.Priority = DMA_PRIORITY_HIGH;
MikamiUitOpen 0:eade5d3ae0eb 93 hdma_sai_tx.Init.FIFOMode = DMA_FIFOMODE_ENABLE;
MikamiUitOpen 0:eade5d3ae0eb 94 hdma_sai_tx.Init.FIFOThreshold = DMA_FIFO_THRESHOLD_FULL;
MikamiUitOpen 0:eade5d3ae0eb 95 hdma_sai_tx.Init.MemBurst = DMA_MBURST_SINGLE;
MikamiUitOpen 0:eade5d3ae0eb 96 hdma_sai_tx.Init.PeriphBurst = DMA_PBURST_SINGLE;
MikamiUitOpen 0:eade5d3ae0eb 97
MikamiUitOpen 0:eade5d3ae0eb 98 hdma_sai_tx.Instance = AUDIO_OUT_SAIx_DMAx_STREAM;
MikamiUitOpen 0:eade5d3ae0eb 99
MikamiUitOpen 0:eade5d3ae0eb 100 /* Associate the DMA handle */
MikamiUitOpen 0:eade5d3ae0eb 101 __HAL_LINKDMA(hsai, hdmatx, hdma_sai_tx);
MikamiUitOpen 0:eade5d3ae0eb 102
MikamiUitOpen 0:eade5d3ae0eb 103 /* Deinitialize the Stream for new transfer */
MikamiUitOpen 0:eade5d3ae0eb 104 HAL_DMA_DeInit(&hdma_sai_tx);
MikamiUitOpen 0:eade5d3ae0eb 105
MikamiUitOpen 0:eade5d3ae0eb 106 /* Configure the DMA Stream */
MikamiUitOpen 0:eade5d3ae0eb 107 HAL_DMA_Init(&hdma_sai_tx);
MikamiUitOpen 0:eade5d3ae0eb 108 }
MikamiUitOpen 0:eade5d3ae0eb 109
MikamiUitOpen 0:eade5d3ae0eb 110 /* SAI DMA IRQ Channel configuration */
MikamiUitOpen 0:eade5d3ae0eb 111 HAL_NVIC_SetPriority(AUDIO_OUT_SAIx_DMAx_IRQ, AUDIO_OUT_IRQ_PREPRIO, 0);
MikamiUitOpen 0:eade5d3ae0eb 112 HAL_NVIC_EnableIRQ(AUDIO_OUT_SAIx_DMAx_IRQ);
MikamiUitOpen 0:eade5d3ae0eb 113 }