Version using MEMS microphone and CODEC for the program "F746_RealtimeSpectrumAnalyzer". "F746_RealtimeSpectrumAnalyzer" の入力を MEMS のマイクと CODEC に変更.このプログラムは Tomona Nanase さんが作成し DISCO-F746NG_Oscilloscope の名前で登録しているプログラムで, CODEC を使って入力する部分を参考にして作成.このプログラムの説明は,CQ出版社のインターフェース誌,2016年4月号に掲載.
Dependencies: BSP_DISCO_F746NG BUTTON_GROUP LCD_DISCO_F746NG TS_DISCO_F746NG UIT_FFT_Real mbed
byNanase/BSP_overwrite.cpp@0:0e5131366580, 2016-01-06 (annotated)
- Committer:
- MikamiUitOpen
- Date:
- Wed Jan 06 12:46:15 2016 +0000
- Revision:
- 0:0e5131366580
1
Who changed what in which revision?
User | Revision | Line number | New contents of line |
---|---|---|---|
MikamiUitOpen | 0:0e5131366580 | 1 | #include "main.h" |
MikamiUitOpen | 0:0e5131366580 | 2 | |
MikamiUitOpen | 0:0e5131366580 | 3 | DMA_HandleTypeDef hdma_sai_rx; |
MikamiUitOpen | 0:0e5131366580 | 4 | |
MikamiUitOpen | 0:0e5131366580 | 5 | /* ----- AUDIO IN ----- */ |
MikamiUitOpen | 0:0e5131366580 | 6 | |
MikamiUitOpen | 0:0e5131366580 | 7 | void BSP_AUDIO_IN_HalfTransfer_CallBack(void) |
MikamiUitOpen | 0:0e5131366580 | 8 | { |
MikamiUitOpen | 0:0e5131366580 | 9 | audio_in_buffer_offset = 0; |
MikamiUitOpen | 0:0e5131366580 | 10 | audio_in_buffer_length = BufferSize / 2; |
MikamiUitOpen | 0:0e5131366580 | 11 | audio_in_buffer_captured = true; |
MikamiUitOpen | 0:0e5131366580 | 12 | } |
MikamiUitOpen | 0:0e5131366580 | 13 | |
MikamiUitOpen | 0:0e5131366580 | 14 | void BSP_AUDIO_IN_TransferComplete_CallBack(void) |
MikamiUitOpen | 0:0e5131366580 | 15 | { |
MikamiUitOpen | 0:0e5131366580 | 16 | audio_in_buffer_offset = BufferSize / 2; |
MikamiUitOpen | 0:0e5131366580 | 17 | audio_in_buffer_length = BufferSize / 2; |
MikamiUitOpen | 0:0e5131366580 | 18 | audio_in_buffer_captured = true; |
MikamiUitOpen | 0:0e5131366580 | 19 | } |
MikamiUitOpen | 0:0e5131366580 | 20 | |
MikamiUitOpen | 0:0e5131366580 | 21 | void BSP_AUDIO_IN_Error_CallBack(void) |
MikamiUitOpen | 0:0e5131366580 | 22 | { |
MikamiUitOpen | 0:0e5131366580 | 23 | error_trap(); |
MikamiUitOpen | 0:0e5131366580 | 24 | } |
MikamiUitOpen | 0:0e5131366580 | 25 | |
MikamiUitOpen | 0:0e5131366580 | 26 | void AUDIO_IN_SAIx_DMAx_IRQHandler(void) |
MikamiUitOpen | 0:0e5131366580 | 27 | { |
MikamiUitOpen | 0:0e5131366580 | 28 | HAL_DMA_IRQHandler(&hdma_sai_rx); |
MikamiUitOpen | 0:0e5131366580 | 29 | } |
MikamiUitOpen | 0:0e5131366580 | 30 | |
MikamiUitOpen | 0:0e5131366580 | 31 | void BSP_AUDIO_IN_MspInit(SAI_HandleTypeDef *hsai, void *Params) |
MikamiUitOpen | 0:0e5131366580 | 32 | { |
MikamiUitOpen | 0:0e5131366580 | 33 | //static DMA_HandleTypeDef hdma_sai_rx; |
MikamiUitOpen | 0:0e5131366580 | 34 | GPIO_InitTypeDef gpio_init_structure; |
MikamiUitOpen | 0:0e5131366580 | 35 | |
MikamiUitOpen | 0:0e5131366580 | 36 | /* Enable SAI clock */ |
MikamiUitOpen | 0:0e5131366580 | 37 | AUDIO_IN_SAIx_CLK_ENABLE(); |
MikamiUitOpen | 0:0e5131366580 | 38 | |
MikamiUitOpen | 0:0e5131366580 | 39 | /* Enable SD GPIO clock */ |
MikamiUitOpen | 0:0e5131366580 | 40 | AUDIO_IN_SAIx_SD_ENABLE(); |
MikamiUitOpen | 0:0e5131366580 | 41 | /* CODEC_SAI pin configuration: SD pin */ |
MikamiUitOpen | 0:0e5131366580 | 42 | gpio_init_structure.Pin = AUDIO_IN_SAIx_SD_PIN; |
MikamiUitOpen | 0:0e5131366580 | 43 | gpio_init_structure.Mode = GPIO_MODE_AF_PP; |
MikamiUitOpen | 0:0e5131366580 | 44 | gpio_init_structure.Pull = GPIO_NOPULL; |
MikamiUitOpen | 0:0e5131366580 | 45 | gpio_init_structure.Speed = GPIO_SPEED_FAST; |
MikamiUitOpen | 0:0e5131366580 | 46 | gpio_init_structure.Alternate = AUDIO_IN_SAIx_SD_AF; |
MikamiUitOpen | 0:0e5131366580 | 47 | HAL_GPIO_Init(AUDIO_IN_SAIx_SD_GPIO_PORT, &gpio_init_structure); |
MikamiUitOpen | 0:0e5131366580 | 48 | |
MikamiUitOpen | 0:0e5131366580 | 49 | /* Enable Audio INT GPIO clock */ |
MikamiUitOpen | 0:0e5131366580 | 50 | AUDIO_IN_INT_GPIO_ENABLE(); |
MikamiUitOpen | 0:0e5131366580 | 51 | /* Audio INT pin configuration: input */ |
MikamiUitOpen | 0:0e5131366580 | 52 | gpio_init_structure.Pin = AUDIO_IN_INT_GPIO_PIN; |
MikamiUitOpen | 0:0e5131366580 | 53 | gpio_init_structure.Mode = GPIO_MODE_INPUT; |
MikamiUitOpen | 0:0e5131366580 | 54 | gpio_init_structure.Pull = GPIO_NOPULL; |
MikamiUitOpen | 0:0e5131366580 | 55 | gpio_init_structure.Speed = GPIO_SPEED_FAST; |
MikamiUitOpen | 0:0e5131366580 | 56 | HAL_GPIO_Init(AUDIO_IN_INT_GPIO_PORT, &gpio_init_structure); |
MikamiUitOpen | 0:0e5131366580 | 57 | |
MikamiUitOpen | 0:0e5131366580 | 58 | /* Enable the DMA clock */ |
MikamiUitOpen | 0:0e5131366580 | 59 | AUDIO_IN_SAIx_DMAx_CLK_ENABLE(); |
MikamiUitOpen | 0:0e5131366580 | 60 | |
MikamiUitOpen | 0:0e5131366580 | 61 | if(hsai->Instance == AUDIO_IN_SAIx) { |
MikamiUitOpen | 0:0e5131366580 | 62 | /* Configure the hdma_sai_rx handle parameters */ |
MikamiUitOpen | 0:0e5131366580 | 63 | hdma_sai_rx.Init.Channel = AUDIO_IN_SAIx_DMAx_CHANNEL; |
MikamiUitOpen | 0:0e5131366580 | 64 | hdma_sai_rx.Init.Direction = DMA_PERIPH_TO_MEMORY; |
MikamiUitOpen | 0:0e5131366580 | 65 | hdma_sai_rx.Init.PeriphInc = DMA_PINC_DISABLE; |
MikamiUitOpen | 0:0e5131366580 | 66 | hdma_sai_rx.Init.MemInc = DMA_MINC_ENABLE; |
MikamiUitOpen | 0:0e5131366580 | 67 | hdma_sai_rx.Init.PeriphDataAlignment = AUDIO_IN_SAIx_DMAx_PERIPH_DATA_SIZE; |
MikamiUitOpen | 0:0e5131366580 | 68 | hdma_sai_rx.Init.MemDataAlignment = AUDIO_IN_SAIx_DMAx_MEM_DATA_SIZE; |
MikamiUitOpen | 0:0e5131366580 | 69 | hdma_sai_rx.Init.Mode = DMA_CIRCULAR; |
MikamiUitOpen | 0:0e5131366580 | 70 | hdma_sai_rx.Init.Priority = DMA_PRIORITY_HIGH; |
MikamiUitOpen | 0:0e5131366580 | 71 | hdma_sai_rx.Init.FIFOMode = DMA_FIFOMODE_DISABLE; |
MikamiUitOpen | 0:0e5131366580 | 72 | hdma_sai_rx.Init.FIFOThreshold = DMA_FIFO_THRESHOLD_FULL; |
MikamiUitOpen | 0:0e5131366580 | 73 | hdma_sai_rx.Init.MemBurst = DMA_MBURST_SINGLE; |
MikamiUitOpen | 0:0e5131366580 | 74 | hdma_sai_rx.Init.PeriphBurst = DMA_MBURST_SINGLE; |
MikamiUitOpen | 0:0e5131366580 | 75 | |
MikamiUitOpen | 0:0e5131366580 | 76 | hdma_sai_rx.Instance = AUDIO_IN_SAIx_DMAx_STREAM; |
MikamiUitOpen | 0:0e5131366580 | 77 | |
MikamiUitOpen | 0:0e5131366580 | 78 | /* Associate the DMA handle */ |
MikamiUitOpen | 0:0e5131366580 | 79 | __HAL_LINKDMA(hsai, hdmarx, hdma_sai_rx); |
MikamiUitOpen | 0:0e5131366580 | 80 | |
MikamiUitOpen | 0:0e5131366580 | 81 | /* Deinitialize the Stream for new transfer */ |
MikamiUitOpen | 0:0e5131366580 | 82 | HAL_DMA_DeInit(&hdma_sai_rx); |
MikamiUitOpen | 0:0e5131366580 | 83 | |
MikamiUitOpen | 0:0e5131366580 | 84 | /* Configure the DMA Stream */ |
MikamiUitOpen | 0:0e5131366580 | 85 | HAL_DMA_Init(&hdma_sai_rx); |
MikamiUitOpen | 0:0e5131366580 | 86 | } |
MikamiUitOpen | 0:0e5131366580 | 87 | |
MikamiUitOpen | 0:0e5131366580 | 88 | /* SAI DMA IRQ Channel configuration */ |
MikamiUitOpen | 0:0e5131366580 | 89 | HAL_NVIC_SetPriority(AUDIO_IN_SAIx_DMAx_IRQ, AUDIO_IN_IRQ_PREPRIO, 0); |
MikamiUitOpen | 0:0e5131366580 | 90 | HAL_NVIC_EnableIRQ(AUDIO_IN_SAIx_DMAx_IRQ); |
MikamiUitOpen | 0:0e5131366580 | 91 | |
MikamiUitOpen | 0:0e5131366580 | 92 | /* Audio INT IRQ Channel configuration */ |
MikamiUitOpen | 0:0e5131366580 | 93 | HAL_NVIC_SetPriority(AUDIO_IN_INT_IRQ, AUDIO_IN_IRQ_PREPRIO, 0); |
MikamiUitOpen | 0:0e5131366580 | 94 | HAL_NVIC_EnableIRQ(AUDIO_IN_INT_IRQ); |
MikamiUitOpen | 0:0e5131366580 | 95 | } |