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No more scratch at the end of wav files playback

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bsongis
2012-07-02 22:20:17 +00:00
parent 79fd273755
commit 91e2c8222b
1 changed files with 11 additions and 11 deletions
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src/ersky9x/audio.cpp
+11 -11
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@@ -165,7 +165,7 @@ void audioTask(void* pdata)
#if defined(SDCARD) && !defined(SIMU)
if (toneWavFile[0]) {
FRESULT result = FR_OK;
UINT read;
UINT read = 0;
uint16_t * bufdata = wavSamplesBuffer;
if (toneWavFile[1]) {
result = f_open(&wavFile, toneWavFile, FA_OPEN_EXISTING | FA_READ);
@@ -183,22 +183,22 @@ void audioTask(void* pdata)
}
}
if (result != FR_OK || f_read(&wavFile, (uint8_t *)bufdata, 2*WAV_BUFFER_SIZE, &read) != FR_OK || read == 0) {
toneWavFile[0] = '\0';
f_close(&wavFile);
read = 0;
if (result != FR_OK || f_read(&wavFile, (uint8_t *)bufdata, 2*WAV_BUFFER_SIZE, &read) != FR_OK || read != 2*WAV_BUFFER_SIZE) {
for (uint32_t i=read/2; i<WAV_BUFFER_SIZE; i++)
bufdata[i] = 0x8000;
DACC->DACC_TNCR = read/4;
toneStop();
DACC->DACC_TPR = CONVERT_PTR(Sine_values);
DACC->DACC_TCR = 50 ; // words, 100 16 bit values
DACC->DACC_TNPR = CONVERT_PTR(Sine_values);
DACC->DACC_TNCR = 50 ; // words, 100 16 bit values
toneWavFile[0] = '\0';
toneWavFile[1] = 0;
f_close(&wavFile);
audioState = 0;
}
#if 1
else {
{
read /= 2;
for (uint32_t i=0; i<read; i++) {
for (uint32_t i=0; i<read; i++)
bufdata[i] = ((uint16_t)0x8000 + ((int16_t)(bufdata[i]))) >> 4;
}
if (toneWavFile[1]) {
toneWavFile[1] = '\0';
register Dacc *dacptr = DACC;