49 lines
1007 B
C
49 lines
1007 B
C
#include <finsh.h>
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#include <dfs_posix.h>
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#include "netbuffer.h"
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#include "stm32f10x.h"
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static rt_err_t wav_tx_done(rt_device_t dev, void *buffer)
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{
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/* release memory block */
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sbuf_release(buffer);
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return RT_EOK;
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}
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void wav(char* filename)
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{
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int fd;
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rt_size_t block_size;
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block_size = sbuf_get_size();
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block_size = (block_size / 512) * 512;
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fd = open(filename, O_RDONLY, 0);
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if (fd >= 0)
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{
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rt_uint8_t* buf;
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rt_size_t len;
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rt_device_t device;
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/* open audio device and set tx done call back */
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device = rt_device_find("snd");
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rt_device_set_tx_complete(device, wav_tx_done);
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rt_device_open(device, RT_DEVICE_OFLAG_WRONLY);
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do
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{
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buf = sbuf_alloc();
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len = read(fd, (char*)buf, block_size);
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if (len > 0) rt_device_write(device, 0, buf, len);
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else sbuf_release(buf);
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} while (len != 0);
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/* close device and file */
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rt_device_close(device);
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close(fd);
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}
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}
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FINSH_FUNCTION_EXPORT(wav, wav test)
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