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https://github.com/Fishwaldo/bl_mcu_sdk.git
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[feat][examples/i2s] update i2s case to support dual channel
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qqwang
parent
9a2e6b78ca
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c985084574
1 changed files with 128 additions and 128 deletions
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@ -1,128 +1,128 @@
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/**
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* @file fatfs_posix_api.c
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* @brief
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*
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* Copyright (c) 2021 Bouffalolab team
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*
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* Licensed to the Apache Software Foundation (ASF) under one or more
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* contributor license agreements. See the NOTICE file distributed with
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* this work for additional information regarding copyright ownership. The
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* ASF licenses this file to you under the Apache License, Version 2.0 (the
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* "License"); you may not use this file except in compliance with the
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* License. You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
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* WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
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* License for the specific language governing permissions and limitations
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* under the License.
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*
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*/
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#include "hal_i2s.h"
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#include "hal_dma.h"
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#include "bsp_es8388.h"
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#define BUFF_SIZE (1 * 1024)
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struct device *i2s;
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struct device *dma_ch2, *dma_ch3;
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struct device *uart;
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volatile static uint8_t buff_using_num = 0;
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static uint8_t Data_Buff[2][BUFF_SIZE] __attribute__((section(".system_ram"), aligned(4)));
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static ES8388_Cfg_Type ES8388Cfg = {
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.work_mode = ES8388_CODEC_MDOE, /*!< ES8388 work mode */
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.role = ES8388_SLAVE, /*!< ES8388 role */
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.mic_input_mode = ES8388_DIFF_ENDED_MIC, /*!< ES8388 mic input mode */
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.mic_pga = ES8388_MIC_PGA_9DB, /*!< ES8388 mic PGA */
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.i2s_frame = ES8388_LEFT_JUSTIFY_FRAME, /*!< ES8388 I2S frame */
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.data_width = ES8388_DATA_LEN_16, /*!< ES8388 I2S dataWitdh */
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};
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static void dma_ch3_irq_callback(struct device *dev, void *args, uint32_t size, uint32_t state)
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{
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device_read(i2s, 0, Data_Buff[!buff_using_num], BUFF_SIZE);
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device_write(i2s, 0, Data_Buff[buff_using_num], BUFF_SIZE);
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buff_using_num = !buff_using_num;
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return;
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}
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int main(void)
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{
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bflb_platform_init(0);
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/* init ES8388 Codec */
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ES8388_Init(&ES8388Cfg);
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//ES8388_Reg_Dump();
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ES8388_Set_Voice_Volume(60);
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/* register & open i2s device */
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i2s_register(I2S0_INDEX, "I2S", DEVICE_OFLAG_RDWR);
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i2s = device_find("I2S");
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if (i2s) {
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I2S_DEV(i2s)->iis_mode = I2S_MODE_MASTER;
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I2S_DEV(i2s)->interface_mode = I2S_MODE_LEFT;
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I2S_DEV(i2s)->sampl_freq_hz = 16 * 1000;
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I2S_DEV(i2s)->channel_num = I2S_FS_CHANNELS_NUM_2;
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I2S_DEV(i2s)->frame_size = I2S_FRAME_LEN_16;
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I2S_DEV(i2s)->data_size = I2S_DATA_LEN_16;
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I2S_DEV(i2s)->fifo_threshold = 8;
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device_open(i2s, DEVICE_OFLAG_DMA_TX | DEVICE_OFLAG_DMA_RX);
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}
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/* register & open dma device */
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dma_register(DMA0_CH3_INDEX, "dma_ch3_i2s_rx", DEVICE_OFLAG_RDWR);
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dma_ch3 = device_find("dma_ch3_i2s_rx");
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if (dma_ch3) {
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DMA_DEV(dma_ch3)->direction = DMA_PERIPH_TO_MEMORY;
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DMA_DEV(dma_ch3)->transfer_mode = DMA_LLI_ONCE_MODE;
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DMA_DEV(dma_ch3)->src_req = DMA_REQUEST_I2S_RX;
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DMA_DEV(dma_ch3)->dst_req = DMA_REQUEST_NONE;
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DMA_DEV(dma_ch3)->src_width = DMA_TRANSFER_WIDTH_16BIT;
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DMA_DEV(dma_ch3)->dst_width = DMA_TRANSFER_WIDTH_16BIT;
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device_open(dma_ch3, 0);
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/* connect i2s device and dma device */
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device_control(i2s, DEVICE_CTRL_ATTACH_RX_DMA, (void *)dma_ch3);
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/* Set the interrupt function, for double buffering*/
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device_set_callback(dma_ch3, dma_ch3_irq_callback);
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device_control(dma_ch3, DEVICE_CTRL_SET_INT, NULL);
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}
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dma_register(DMA0_CH2_INDEX, "dma_ch2_i2s_tx", DEVICE_OFLAG_RDWR);
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dma_ch2 = device_find("dma_ch2_i2s_tx");
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if (dma_ch2) {
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DMA_DEV(dma_ch2)->direction = DMA_MEMORY_TO_PERIPH;
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DMA_DEV(dma_ch2)->transfer_mode = DMA_LLI_ONCE_MODE;
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DMA_DEV(dma_ch2)->src_req = DMA_REQUEST_NONE;
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DMA_DEV(dma_ch2)->dst_req = DMA_REQUEST_I2S_TX;
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DMA_DEV(dma_ch2)->src_width = DMA_TRANSFER_WIDTH_16BIT;
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DMA_DEV(dma_ch2)->dst_width = DMA_TRANSFER_WIDTH_16BIT;
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device_open(dma_ch2, 0);
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/* connect i2s device and dma device */
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device_control(i2s, DEVICE_CTRL_ATTACH_TX_DMA, (void *)dma_ch2);
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/* Set the interrupt function, for double buffering*/
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device_set_callback(dma_ch2, NULL);
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device_control(dma_ch2, DEVICE_CTRL_SET_INT, NULL);
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}
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uart = device_find("debug_log");
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device_read(i2s, 0, Data_Buff[0], BUFF_SIZE);
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device_write(i2s, 0, Data_Buff[1], BUFF_SIZE);
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BL_CASE_SUCCESS;
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while (1) {
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bflb_platform_delay_ms(100);
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}
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}
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/**
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* @file fatfs_posix_api.c
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* @brief
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*
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* Copyright (c) 2021 Bouffalolab team
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*
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* Licensed to the Apache Software Foundation (ASF) under one or more
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* contributor license agreements. See the NOTICE file distributed with
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* this work for additional information regarding copyright ownership. The
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* ASF licenses this file to you under the Apache License, Version 2.0 (the
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* "License"); you may not use this file except in compliance with the
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* License. You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
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* WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
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* License for the specific language governing permissions and limitations
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* under the License.
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*
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*/
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#include "hal_i2s.h"
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#include "hal_dma.h"
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#include "bsp_es8388.h"
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#define BUFF_SIZE (1 * 1024)
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struct device *i2s;
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struct device *dma_ch2, *dma_ch3;
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struct device *uart;
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volatile static uint8_t buff_using_num = 0;
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static uint8_t Data_Buff[2][BUFF_SIZE] __attribute__((section(".system_ram"), aligned(4)));
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static ES8388_Cfg_Type ES8388Cfg = {
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.work_mode = ES8388_CODEC_MDOE, /*!< ES8388 work mode */
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.role = ES8388_SLAVE, /*!< ES8388 role */
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.mic_input_mode = ES8388_DIFF_ENDED_MIC, /*!< ES8388 mic input mode */
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.mic_pga = ES8388_MIC_PGA_9DB, /*!< ES8388 mic PGA */
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.i2s_frame = ES8388_LEFT_JUSTIFY_FRAME, /*!< ES8388 I2S frame */
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.data_width = ES8388_DATA_LEN_16, /*!< ES8388 I2S dataWitdh */
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};
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static void dma_ch3_irq_callback(struct device *dev, void *args, uint32_t size, uint32_t state)
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{
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device_read(i2s, 0, Data_Buff[!buff_using_num], BUFF_SIZE);
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device_write(i2s, 0, Data_Buff[buff_using_num], BUFF_SIZE);
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buff_using_num = !buff_using_num;
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return;
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}
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int main(void)
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{
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bflb_platform_init(0);
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/* init ES8388 Codec */
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ES8388_Init(&ES8388Cfg);
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//ES8388_Reg_Dump();
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ES8388_Set_Voice_Volume(60);
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/* register & open i2s device */
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i2s_register(I2S0_INDEX, "I2S", DEVICE_OFLAG_RDWR);
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i2s = device_find("I2S");
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if (i2s) {
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I2S_DEV(i2s)->iis_mode = I2S_MODE_MASTER;
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I2S_DEV(i2s)->interface_mode = I2S_MODE_LEFT;
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I2S_DEV(i2s)->sampl_freq_hz = 16 * 1000;
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I2S_DEV(i2s)->channel_num = I2S_FS_CHANNELS_NUM_2;
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I2S_DEV(i2s)->frame_size = I2S_FRAME_LEN_16;
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I2S_DEV(i2s)->data_size = I2S_DATA_LEN_16;
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I2S_DEV(i2s)->fifo_threshold = 8;
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device_open(i2s, DEVICE_OFLAG_DMA_TX | DEVICE_OFLAG_DMA_RX);
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}
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/* register & open dma device */
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dma_register(DMA0_CH3_INDEX, "dma_ch3_i2s_rx", DEVICE_OFLAG_RDWR);
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dma_ch3 = device_find("dma_ch3_i2s_rx");
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if (dma_ch3) {
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DMA_DEV(dma_ch3)->direction = DMA_PERIPH_TO_MEMORY;
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DMA_DEV(dma_ch3)->transfer_mode = DMA_LLI_ONCE_MODE;
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DMA_DEV(dma_ch3)->src_req = DMA_REQUEST_I2S_RX;
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DMA_DEV(dma_ch3)->dst_req = DMA_REQUEST_NONE;
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DMA_DEV(dma_ch3)->src_width = DMA_TRANSFER_WIDTH_32BIT;
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DMA_DEV(dma_ch3)->dst_width = DMA_TRANSFER_WIDTH_32BIT;
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device_open(dma_ch3, 0);
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/* connect i2s device and dma device */
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device_control(i2s, DEVICE_CTRL_ATTACH_RX_DMA, (void *)dma_ch3);
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/* Set the interrupt function, for double buffering*/
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device_set_callback(dma_ch3, dma_ch3_irq_callback);
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device_control(dma_ch3, DEVICE_CTRL_SET_INT, NULL);
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}
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dma_register(DMA0_CH2_INDEX, "dma_ch2_i2s_tx", DEVICE_OFLAG_RDWR);
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dma_ch2 = device_find("dma_ch2_i2s_tx");
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if (dma_ch2) {
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DMA_DEV(dma_ch2)->direction = DMA_MEMORY_TO_PERIPH;
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DMA_DEV(dma_ch2)->transfer_mode = DMA_LLI_ONCE_MODE;
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DMA_DEV(dma_ch2)->src_req = DMA_REQUEST_NONE;
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DMA_DEV(dma_ch2)->dst_req = DMA_REQUEST_I2S_TX;
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DMA_DEV(dma_ch2)->src_width = DMA_TRANSFER_WIDTH_32BIT;
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DMA_DEV(dma_ch2)->dst_width = DMA_TRANSFER_WIDTH_32BIT;
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device_open(dma_ch2, 0);
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/* connect i2s device and dma device */
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device_control(i2s, DEVICE_CTRL_ATTACH_TX_DMA, (void *)dma_ch2);
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/* Set the interrupt function, for double buffering*/
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device_set_callback(dma_ch2, NULL);
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device_control(dma_ch2, DEVICE_CTRL_SET_INT, NULL);
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}
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uart = device_find("debug_log");
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device_read(i2s, 0, Data_Buff[0], BUFF_SIZE);
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device_write(i2s, 0, Data_Buff[1], BUFF_SIZE);
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BL_CASE_SUCCESS;
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while (1) {
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bflb_platform_delay_ms(100);
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}
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}
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