mirror of
https://github.com/RT-Thread/rt-thread.git
synced 2026-09-19 16:26:55 +08:00
Merge pull request #1980 from EvalZero/audio_dev
[bsp][stm32f429-apollo]add audio sound and micphone driver.
This commit is contained in:
Bernard Xiong
@@ -18,6 +18,11 @@ config RT_USING_SPI5
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bool "Enable SPI5"
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default y
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config RT_USING_SAI_AUDIO
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select RT_USING_AUDIO
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bool "Enable AUDIO"
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default n
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config RT_RTC_NAME
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string "The name of RTC device"
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default rtc
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@@ -2,8 +2,12 @@ from building import *
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cwd = GetCurrentDir()
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# init src and inc vars
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src = []
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inc = []
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# add the general drivers.
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src = Split("""
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src += Split("""
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board.c
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stm32f4xx_it.c
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usart.c
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@@ -12,6 +16,9 @@ drv_rtc.c
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drv_mpu.c
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""")
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# add dwin basic include
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inc += [cwd]
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# add sdio driver
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if GetDepend('RT_USING_DFS'):
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src += ['drv_sdio_sd.c']
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@@ -39,12 +46,15 @@ if GetDepend('RT_USING_SPI'):
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if GetDepend('RT_USING_SFUD'):
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src += ['drv_spi_flash.c']
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# add audio drivers.
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if GetDepend('RT_USING_SAI_AUDIO'):
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src += Glob('./audio/*.c')
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inc += [cwd + "/audio"]
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# add lcd drivers.
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if GetDepend('PKG_USING_GUIENGINE'):
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src += ['drv_lcd.c']
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CPPPATH = [cwd]
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group = DefineGroup('Drivers', src, depend = [''], CPPPATH = CPPPATH)
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group = DefineGroup('Drivers', src, depend = [''], CPPPATH = inc)
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Return('group')
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@@ -0,0 +1,41 @@
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/*
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* Copyright (c) 2006-2018, RT-Thread Development Team
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*
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* SPDX-License-Identifier: Apache-2.0
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*
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* Change Logs:
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* Date Author Notes
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* 2018-11-14 ZeroFree first implementation
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*/
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#ifndef __DRV_AUDIO_H__
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#define __DRV_AUDIO_H__
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#include <rtthread.h>
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#include <drivers/audio.h>
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#include <audio_pipe.h>
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/* SAIA DMA Stream TX definitions */
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#define SAIA_TX_DMAx_CLK_ENABLE() __HAL_RCC_DMA2_CLK_ENABLE()
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#define SAIA_TX_DMAx_CLK_DISABLE() __HAL_RCC_DMA2_CLK_DISABLE()
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#define SAIA_TX_DMAx_STREAM DMA2_Stream3
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#define SAIA_TX_DMAx_CHANNEL DMA_CHANNEL_0
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#define SAIA_TX_DMAx_IRQ DMA2_Stream3_IRQn
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#define SAIA_TX_DMAx_PERIPH_DATA_SIZE DMA_PDATAALIGN_HALFWORD
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#define SAIA_TX_DMAx_MEM_DATA_SIZE DMA_MDATAALIGN_HALFWORD
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#define SAIA_TX_DMAx_IRQHandler DMA2_Stream3_IRQHandler
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/* SAIB DMA Stream TX definitions */
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#define SAIA_RX_DMAx_CLK_ENABLE() __HAL_RCC_DMA2_CLK_ENABLE()
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#define SAIA_RX_DMAx_CLK_DISABLE() __HAL_RCC_DMA2_CLK_DISABLE()
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#define SAIA_RX_DMAx_STREAM DMA2_Stream5
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#define SAIA_RX_DMAx_CHANNEL DMA_CHANNEL_0
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#define SAIA_RX_DMAx_IRQ DMA2_Stream5_IRQn
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#define SAIA_RX_DMAx_PERIPH_DATA_SIZE DMA_PDATAALIGN_HALFWORD
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#define SAIA_RX_DMAx_MEM_DATA_SIZE DMA_MDATAALIGN_HALFWORD
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#define SAIA_RX_DMAx_IRQHandler DMA2_Stream5_IRQHandler
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int SAIA_SampleRate_Set(uint32_t samplerate);
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int rt_hw_audio_init(char *i2c_bus_name);
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#endif
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@@ -0,0 +1,254 @@
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/*
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* Copyright (c) 2006-2018, RT-Thread Development Team
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*
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* SPDX-License-Identifier: Apache-2.0
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*
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* Change Logs:
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* Date Author Notes
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* 2018-11-14 ZeroFree first implementation
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*/
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#include <rtthread.h>
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#include <rthw.h>
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#include <rtdevice.h>
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#include <string.h>
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#include "drv_audio.h"
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#include "drv_wm8978.h"
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#include <stm32f4xx.h>
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#define DBG_ENABLE
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#define DBG_LEVEL DBG_INFO
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#define DBG_COLOR
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#define DBG_SECTION_NAME "MIC"
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#include <rtdbg.h>
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struct micphone_device
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{
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struct rt_device parent;
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rt_uint16_t *recv_fifo;
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struct rt_audio_pipe record_pipe;
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/* i2c mode */
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struct rt_i2c_bus_device *i2c_device;
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};
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#define AUDIO_RECV_BUFFER_SIZE (2048)
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extern SAI_HandleTypeDef SAI1B_Handler;
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extern DMA_HandleTypeDef SAI1_RXDMA_Handler;
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extern SAI_HandleTypeDef SAI1A_Handler;
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extern DMA_HandleTypeDef SAI1_TXDMA_Handler;
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static struct micphone_device micphone;
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static uint16_t send_fifo[2] = {0, 0};
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static void SAIB_Init(void)
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{
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HAL_SAI_DeInit(&SAI1B_Handler);
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SAI1B_Handler.Instance = SAI1_Block_B;
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SAI1B_Handler.Init.AudioMode = SAI_MODESLAVE_RX;
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SAI1B_Handler.Init.Synchro = SAI_SYNCHRONOUS;
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SAI1B_Handler.Init.OutputDrive = SAI_OUTPUTDRIVE_ENABLE;
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SAI1B_Handler.Init.NoDivider = SAI_MASTERDIVIDER_ENABLE;
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SAI1B_Handler.Init.FIFOThreshold = SAI_FIFOTHRESHOLD_1QF;
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SAI1B_Handler.Init.ClockSource = SAI_CLKSOURCE_PLLI2S;
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SAI1B_Handler.Init.MonoStereoMode = SAI_MONOMODE;
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SAI1B_Handler.Init.Protocol = SAI_FREE_PROTOCOL;
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SAI1B_Handler.Init.DataSize = SAI_DATASIZE_16;
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SAI1B_Handler.Init.FirstBit = SAI_FIRSTBIT_MSB;
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SAI1B_Handler.Init.ClockStrobing = SAI_CLOCKSTROBING_RISINGEDGE;
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SAI1B_Handler.FrameInit.FrameLength = 64;
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SAI1B_Handler.FrameInit.ActiveFrameLength = 32;
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SAI1B_Handler.FrameInit.FSDefinition = SAI_FS_CHANNEL_IDENTIFICATION;
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SAI1B_Handler.FrameInit.FSPolarity = SAI_FS_ACTIVE_LOW;
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SAI1B_Handler.FrameInit.FSOffset = SAI_FS_BEFOREFIRSTBIT;
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SAI1B_Handler.SlotInit.FirstBitOffset = 0;
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SAI1B_Handler.SlotInit.SlotSize = SAI_SLOTSIZE_32B;
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SAI1B_Handler.SlotInit.SlotNumber = 2;
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SAI1B_Handler.SlotInit.SlotActive = SAI_SLOTACTIVE_0 | SAI_SLOTACTIVE_1;
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HAL_SAI_Init(&SAI1B_Handler);
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__HAL_SAI_ENABLE(&SAI1B_Handler);
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SAIA_RX_DMAx_CLK_ENABLE();
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__HAL_LINKDMA(&SAI1B_Handler, hdmarx, SAI1_RXDMA_Handler);
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SAI1_RXDMA_Handler.Instance = SAIA_RX_DMAx_STREAM;
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SAI1_RXDMA_Handler.Init.Channel = SAIA_RX_DMAx_CHANNEL;
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SAI1_RXDMA_Handler.Init.Direction = DMA_PERIPH_TO_MEMORY;
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SAI1_RXDMA_Handler.Init.PeriphInc = DMA_PINC_DISABLE;
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SAI1_RXDMA_Handler.Init.MemInc = DMA_MINC_ENABLE;
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SAI1_RXDMA_Handler.Init.PeriphDataAlignment = SAIA_RX_DMAx_PERIPH_DATA_SIZE;
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SAI1_RXDMA_Handler.Init.MemDataAlignment = SAIA_RX_DMAx_MEM_DATA_SIZE;
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SAI1_RXDMA_Handler.Init.Mode = DMA_CIRCULAR;
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SAI1_RXDMA_Handler.Init.Priority = DMA_PRIORITY_MEDIUM;
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SAI1_RXDMA_Handler.Init.FIFOMode = DMA_FIFOMODE_DISABLE;
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SAI1_RXDMA_Handler.Init.MemBurst = DMA_MBURST_SINGLE;
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SAI1_RXDMA_Handler.Init.PeriphBurst = DMA_PBURST_SINGLE;
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HAL_DMA_DeInit(&SAI1_RXDMA_Handler);
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HAL_DMA_Init(&SAI1_RXDMA_Handler);
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HAL_NVIC_SetPriority(SAIA_RX_DMAx_IRQ, 0, 1);
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HAL_NVIC_EnableIRQ(SAIA_RX_DMAx_IRQ);
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}
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void SAIA_RX_DMAx_IRQHandler(void)
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{
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HAL_DMA_IRQHandler(&SAI1_RXDMA_Handler);
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}
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void HAL_SAI_RxHalfCpltCallback(SAI_HandleTypeDef *hsai)
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{
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if (hsai == &SAI1B_Handler)
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{
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rt_device_write(&micphone.record_pipe.parent, 0, micphone.recv_fifo, AUDIO_RECV_BUFFER_SIZE / 2);
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}
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}
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void HAL_SAI_RxCpltCallback(SAI_HandleTypeDef *hsai)
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{
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if (hsai == &SAI1B_Handler)
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{
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rt_device_write(&micphone.record_pipe.parent, 0, micphone.recv_fifo + (AUDIO_RECV_BUFFER_SIZE / 4), AUDIO_RECV_BUFFER_SIZE / 2);
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}
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}
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static rt_err_t micphone_init(rt_device_t dev)
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{
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SAIB_Init();
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return RT_EOK;
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}
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static rt_err_t micphone_open(rt_device_t dev, rt_uint16_t oflag)
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{
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struct micphone_device *mic = RT_NULL;
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mic = (struct micphone_device *)dev;
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if (oflag & RT_DEVICE_OFLAG_RDONLY)
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{
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LOG_I("Open Micphone Device!");
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rt_device_open(&mic->record_pipe.parent, RT_DEVICE_OFLAG_RDONLY);
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/* Disable DMA Interruption */
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__HAL_DMA_DISABLE_IT(&SAI1_TXDMA_Handler, DMA_IT_TC | DMA_IT_HT);
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HAL_DMA_Start(&SAI1_TXDMA_Handler, (uint32_t)&send_fifo[0], (uint32_t)&SAI1_Block_A->DR, 2);
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/* Start RX DMA */
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HAL_SAI_Receive_DMA(&SAI1B_Handler, (uint8_t *)(micphone.recv_fifo), AUDIO_RECV_BUFFER_SIZE / 2);
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}
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return RT_EOK;
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}
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static rt_size_t micphone_read(rt_device_t dev, rt_off_t pos,
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void *buffer, rt_size_t size)
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{
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struct micphone_device *mic = RT_NULL;
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mic = (struct micphone_device *)dev;
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return rt_device_read(&mic->record_pipe.parent, pos, buffer, size);
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}
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static rt_err_t micphone_control(rt_device_t dev, int cmd, void *args)
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{
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rt_err_t value, result = RT_EOK;
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switch (cmd)
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{
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case CODEC_CMD_SET_VOLUME:
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{
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// TODO
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break;
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}
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case CODEC_CMD_SAMPLERATE:
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{
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value = *(int *)args;
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LOG_I("Set Samplerate %d", value);
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result = SAIA_SampleRate_Set(value);
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break;
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}
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default:
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break;
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}
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return result;
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}
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static rt_err_t micphone_close(rt_device_t dev)
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{
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struct micphone_device *mic = RT_NULL;
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mic = (struct micphone_device *)dev;
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HAL_SAI_DMAStop(&SAI1A_Handler);
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HAL_SAI_DMAStop(&SAI1B_Handler);
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rt_device_close(&mic->record_pipe.parent);
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LOG_I("Close Micphone Device!");
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return RT_EOK;
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}
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int rt_hw_micphone_init(char *i2c_bus_name)
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{
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int result = RT_EOK;
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struct micphone_device *mic = &micphone;
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if (mic->recv_fifo != RT_NULL)
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{
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return RT_EOK;
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}
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mic->recv_fifo = rt_malloc(AUDIO_RECV_BUFFER_SIZE);
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if (mic->recv_fifo == RT_NULL)
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{
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result = -RT_ENOMEM;
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goto __exit;
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}
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memset(mic->recv_fifo, 0, AUDIO_RECV_BUFFER_SIZE);
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mic->parent.type = RT_Device_Class_Sound;
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mic->parent.init = micphone_init;
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mic->parent.open = micphone_open;
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mic->parent.control = micphone_control;
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mic->parent.write = RT_NULL;
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mic->parent.read = micphone_read;
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mic->parent.close = micphone_close;
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mic->parent.user_data = mic;
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/* register the device */
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rt_device_register(&mic->parent, "mic", RT_DEVICE_FLAG_RDONLY | RT_DEVICE_FLAG_DMA_RX);
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rt_device_init(&mic->parent);
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{
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rt_uint8_t *buffer = rt_malloc(AUDIO_RECV_BUFFER_SIZE);
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if (buffer == RT_NULL)
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{
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result = -RT_ENOMEM;
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goto __exit;
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}
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memset(buffer, 0, AUDIO_RECV_BUFFER_SIZE);
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rt_audio_pipe_init(&mic->record_pipe,
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"voice",
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RT_PIPE_FLAG_FORCE_WR | RT_PIPE_FLAG_BLOCK_RD,
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buffer,
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AUDIO_RECV_BUFFER_SIZE);
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}
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return RT_EOK;
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__exit:
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if (mic->recv_fifo)
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{
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rt_free(mic->recv_fifo);
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mic->recv_fifo = RT_NULL;
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}
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return result;
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}
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File diff suppressed because it is too large
Load Diff
File diff suppressed because it is too large
Load Diff
@@ -0,0 +1,19 @@
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/*
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* Copyright (c) 2006-2018, RT-Thread Development Team
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*
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* SPDX-License-Identifier: Apache-2.0
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*
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* Change Logs:
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* Date Author Notes
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* 2018-11-14 ZeroFree first implementation
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*/
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#ifndef __DRV_WM8978_H__
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#define __DRV_WM8978_H__
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#include <rtthread.h>
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#include <rtdevice.h>
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int wm8978_init(struct rt_i2c_bus_device *dev);
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int wm8978_set_volume(struct rt_i2c_bus_device *dev, int vol);
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#endif
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@@ -539,7 +539,7 @@ struct stm32f4_spi stm32f4_spi5 =
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static struct rt_spi_bus spi5_bus;
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#ifdef SPI_USE_DMA
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/**
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* @brief This function handles DMA Rx interrupt request.
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* @param None
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@@ -558,6 +558,7 @@ void DMA2_Stream4_IRQHandler(void)
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{
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HAL_DMA_IRQHandler(stm32f4_spi5.spi_handle.hdmatx);
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}
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#endif /* SPI_USE_DMA */
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#endif
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@@ -71,7 +71,7 @@
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/* #define HAL_LTDC_MODULE_ENABLED */
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/* #define HAL_RNG_MODULE_ENABLED */
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#define HAL_RTC_MODULE_ENABLED /* */
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/* #define HAL_SAI_MODULE_ENABLED */
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#define HAL_SAI_MODULE_ENABLED /* */
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#define HAL_SD_MODULE_ENABLED /* */
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#define HAL_SPI_MODULE_ENABLED
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/* #define HAL_TIM_MODULE_ENABLED */
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