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_AudioIn_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 function
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_Oscilloscope/
MikamiUitOpen 0:eade5d3ae0eb 7 //------------------------------------------------------------------------------
MikamiUitOpen 0:eade5d3ae0eb 8
MikamiUitOpen 0:eade5d3ae0eb 9 #include "BSP_AudioIn_Overwrite.hpp"
MikamiUitOpen 0:eade5d3ae0eb 10
MikamiUitOpen 0:eade5d3ae0eb 11 // These three callback functions are modyfied by Mikami
MikamiUitOpen 0:eade5d3ae0eb 12 void BSP_AUDIO_IN_HalfTransfer_CallBack()
MikamiUitOpen 0:eade5d3ae0eb 13 {
MikamiUitOpen 0:eade5d3ae0eb 14 Mikami::SaiIO::Captured1st();
MikamiUitOpen 0:eade5d3ae0eb 15 }
MikamiUitOpen 0:eade5d3ae0eb 16
MikamiUitOpen 0:eade5d3ae0eb 17 void BSP_AUDIO_IN_TransferComplete_CallBack()
MikamiUitOpen 0:eade5d3ae0eb 18 {
MikamiUitOpen 0:eade5d3ae0eb 19 Mikami::SaiIO::Captured2nd();
MikamiUitOpen 0:eade5d3ae0eb 20 }
MikamiUitOpen 0:eade5d3ae0eb 21
MikamiUitOpen 0:eade5d3ae0eb 22 void BSP_AUDIO_IN_Error_CallBack()
MikamiUitOpen 0:eade5d3ae0eb 23 {
MikamiUitOpen 0:eade5d3ae0eb 24 Mikami::SaiIO::ErrorTrap();
MikamiUitOpen 0:eade5d3ae0eb 25 }
MikamiUitOpen 0:eade5d3ae0eb 26
MikamiUitOpen 0:eade5d3ae0eb 27 //--------------------------------------------------------------
MikamiUitOpen 0:eade5d3ae0eb 28 // Followings are original by Nanase
MikamiUitOpen 0:eade5d3ae0eb 29 //--------------------------------------------------------------
MikamiUitOpen 0:eade5d3ae0eb 30
MikamiUitOpen 0:eade5d3ae0eb 31 DMA_HandleTypeDef hdma_sai_rx;
MikamiUitOpen 0:eade5d3ae0eb 32
MikamiUitOpen 0:eade5d3ae0eb 33 void AUDIO_IN_SAIx_DMAx_IRQHandler()
MikamiUitOpen 0:eade5d3ae0eb 34 {
MikamiUitOpen 0:eade5d3ae0eb 35 HAL_DMA_IRQHandler(&hdma_sai_rx);
MikamiUitOpen 0:eade5d3ae0eb 36 }
MikamiUitOpen 0:eade5d3ae0eb 37
MikamiUitOpen 0:eade5d3ae0eb 38 void BSP_AUDIO_IN_MspInit(SAI_HandleTypeDef *hsai, void *Params)
MikamiUitOpen 0:eade5d3ae0eb 39 {
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_IN_SAIx_CLK_ENABLE();
MikamiUitOpen 0:eade5d3ae0eb 44
MikamiUitOpen 0:eade5d3ae0eb 45 /* Enable SD GPIO clock */
MikamiUitOpen 0:eade5d3ae0eb 46 AUDIO_IN_SAIx_SD_ENABLE();
MikamiUitOpen 0:eade5d3ae0eb 47 /* CODEC_SAI pin configuration: SD pin */
MikamiUitOpen 0:eade5d3ae0eb 48 gpio_init_structure.Pin = AUDIO_IN_SAIx_SD_PIN;
MikamiUitOpen 0:eade5d3ae0eb 49 gpio_init_structure.Mode = GPIO_MODE_AF_PP;
MikamiUitOpen 0:eade5d3ae0eb 50 gpio_init_structure.Pull = GPIO_NOPULL;
MikamiUitOpen 0:eade5d3ae0eb 51 gpio_init_structure.Speed = GPIO_SPEED_FAST;
MikamiUitOpen 0:eade5d3ae0eb 52 gpio_init_structure.Alternate = AUDIO_IN_SAIx_SD_AF;
MikamiUitOpen 0:eade5d3ae0eb 53 HAL_GPIO_Init(AUDIO_IN_SAIx_SD_GPIO_PORT, &gpio_init_structure);
MikamiUitOpen 0:eade5d3ae0eb 54
MikamiUitOpen 0:eade5d3ae0eb 55 /* Enable Audio INT GPIO clock */
MikamiUitOpen 0:eade5d3ae0eb 56 AUDIO_IN_INT_GPIO_ENABLE();
MikamiUitOpen 0:eade5d3ae0eb 57 /* Audio INT pin configuration: input */
MikamiUitOpen 0:eade5d3ae0eb 58 gpio_init_structure.Pin = AUDIO_IN_INT_GPIO_PIN;
MikamiUitOpen 0:eade5d3ae0eb 59 gpio_init_structure.Mode = GPIO_MODE_INPUT;
MikamiUitOpen 0:eade5d3ae0eb 60 gpio_init_structure.Pull = GPIO_NOPULL;
MikamiUitOpen 0:eade5d3ae0eb 61 gpio_init_structure.Speed = GPIO_SPEED_FAST;
MikamiUitOpen 0:eade5d3ae0eb 62 HAL_GPIO_Init(AUDIO_IN_INT_GPIO_PORT, &gpio_init_structure);
MikamiUitOpen 0:eade5d3ae0eb 63
MikamiUitOpen 0:eade5d3ae0eb 64 /* Enable the DMA clock */
MikamiUitOpen 0:eade5d3ae0eb 65 AUDIO_IN_SAIx_DMAx_CLK_ENABLE();
MikamiUitOpen 0:eade5d3ae0eb 66
MikamiUitOpen 0:eade5d3ae0eb 67 if(hsai->Instance == AUDIO_IN_SAIx)
MikamiUitOpen 0:eade5d3ae0eb 68 {
MikamiUitOpen 0:eade5d3ae0eb 69 /* Configure the hdma_sai_rx handle parameters */
MikamiUitOpen 0:eade5d3ae0eb 70 hdma_sai_rx.Init.Channel = AUDIO_IN_SAIx_DMAx_CHANNEL;
MikamiUitOpen 0:eade5d3ae0eb 71 hdma_sai_rx.Init.Direction = DMA_PERIPH_TO_MEMORY;
MikamiUitOpen 0:eade5d3ae0eb 72 hdma_sai_rx.Init.PeriphInc = DMA_PINC_DISABLE;
MikamiUitOpen 0:eade5d3ae0eb 73 hdma_sai_rx.Init.MemInc = DMA_MINC_ENABLE;
MikamiUitOpen 0:eade5d3ae0eb 74 hdma_sai_rx.Init.PeriphDataAlignment = AUDIO_IN_SAIx_DMAx_PERIPH_DATA_SIZE;
MikamiUitOpen 0:eade5d3ae0eb 75 hdma_sai_rx.Init.MemDataAlignment = AUDIO_IN_SAIx_DMAx_MEM_DATA_SIZE;
MikamiUitOpen 0:eade5d3ae0eb 76 hdma_sai_rx.Init.Mode = DMA_CIRCULAR;
MikamiUitOpen 0:eade5d3ae0eb 77 hdma_sai_rx.Init.Priority = DMA_PRIORITY_HIGH;
MikamiUitOpen 0:eade5d3ae0eb 78 hdma_sai_rx.Init.FIFOMode = DMA_FIFOMODE_DISABLE;
MikamiUitOpen 0:eade5d3ae0eb 79 hdma_sai_rx.Init.FIFOThreshold = DMA_FIFO_THRESHOLD_FULL;
MikamiUitOpen 0:eade5d3ae0eb 80 hdma_sai_rx.Init.MemBurst = DMA_MBURST_SINGLE;
MikamiUitOpen 0:eade5d3ae0eb 81 hdma_sai_rx.Init.PeriphBurst = DMA_MBURST_SINGLE;
MikamiUitOpen 0:eade5d3ae0eb 82
MikamiUitOpen 0:eade5d3ae0eb 83 hdma_sai_rx.Instance = AUDIO_IN_SAIx_DMAx_STREAM;
MikamiUitOpen 0:eade5d3ae0eb 84
MikamiUitOpen 0:eade5d3ae0eb 85 /* Associate the DMA handle */
MikamiUitOpen 0:eade5d3ae0eb 86 __HAL_LINKDMA(hsai, hdmarx, hdma_sai_rx);
MikamiUitOpen 0:eade5d3ae0eb 87
MikamiUitOpen 0:eade5d3ae0eb 88 /* Deinitialize the Stream for new transfer */
MikamiUitOpen 0:eade5d3ae0eb 89 HAL_DMA_DeInit(&hdma_sai_rx);
MikamiUitOpen 0:eade5d3ae0eb 90
MikamiUitOpen 0:eade5d3ae0eb 91 /* Configure the DMA Stream */
MikamiUitOpen 0:eade5d3ae0eb 92 HAL_DMA_Init(&hdma_sai_rx);
MikamiUitOpen 0:eade5d3ae0eb 93 }
MikamiUitOpen 0:eade5d3ae0eb 94
MikamiUitOpen 0:eade5d3ae0eb 95 /* SAI DMA IRQ Channel configuration */
MikamiUitOpen 0:eade5d3ae0eb 96 HAL_NVIC_SetPriority(AUDIO_IN_SAIx_DMAx_IRQ, AUDIO_IN_IRQ_PREPRIO, 0);
MikamiUitOpen 0:eade5d3ae0eb 97 HAL_NVIC_EnableIRQ(AUDIO_IN_SAIx_DMAx_IRQ);
MikamiUitOpen 0:eade5d3ae0eb 98
MikamiUitOpen 0:eade5d3ae0eb 99 /* Audio INT IRQ Channel configuration */
MikamiUitOpen 0:eade5d3ae0eb 100 HAL_NVIC_SetPriority(AUDIO_IN_INT_IRQ, AUDIO_IN_IRQ_PREPRIO, 0);
MikamiUitOpen 0:eade5d3ae0eb 101 HAL_NVIC_EnableIRQ(AUDIO_IN_INT_IRQ);
MikamiUitOpen 0:eade5d3ae0eb 102 }