71 lines
1.7 KiB
C
71 lines
1.7 KiB
C
#include <stdint.h>
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#include <string.h>
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#include <stdbool.h>
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#include "freertos/xtensa_api.h"
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#include "freertos/FreeRTOSConfig.h"
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#include "freertos/FreeRTOS.h"
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#include "freertos/queue.h"
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#include "freertos/task.h"
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#include "esp_log.h"
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#include "driver/i2s.h"
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#include "freertos/ringbuf.h"
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static xTaskHandle h2201_i2s_task_handle = NULL;
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static RingbufHandle_t h2201_i2s_ringbuffer_handle = NULL;
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static void h2201_i2s_task(void *arg)
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{
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uint8_t *data = NULL;
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size_t item_size = 0;
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size_t bytes_written = 0;
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for (;;)
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{
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data = (uint8_t *)xRingbufferReceive(h2201_i2s_ringbuffer_handle, &item_size, (portTickType)portMAX_DELAY);
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if (item_size != 0)
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{
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i2s_write(0, data, item_size, &bytes_written, portMAX_DELAY);
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vRingbufferReturnItem(h2201_i2s_ringbuffer_handle, (void *)data);
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}
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}
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}
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void h2201_i2s_task_start_up(void)
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{
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h2201_i2s_ringbuffer_handle = xRingbufferCreate(8 * 1024, RINGBUF_TYPE_BYTEBUF);
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if (h2201_i2s_ringbuffer_handle == NULL)
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{
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return;
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}
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xTaskCreate(h2201_i2s_task, "BtI2ST", 1024, NULL, configMAX_PRIORITIES - 3, &h2201_i2s_task_handle);
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return;
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}
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void h2201_i2s_task_shut_down(void)
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{
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if (h2201_i2s_task_handle)
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{
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vTaskDelete(h2201_i2s_task_handle);
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h2201_i2s_task_handle = NULL;
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}
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if (h2201_i2s_ringbuffer_handle)
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{
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vRingbufferDelete(h2201_i2s_ringbuffer_handle);
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h2201_i2s_ringbuffer_handle = NULL;
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}
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}
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size_t h2201_i2s_write_ringbuf(const uint8_t *data, size_t size)
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{
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BaseType_t done = xRingbufferSend(h2201_i2s_ringbuffer_handle, (void *)data, size, (portTickType)portMAX_DELAY);
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if (done)
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{
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return size;
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}
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else
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{
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return 0;
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}
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} |