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Free memory we allocated and actually stop i2s. (#3191)

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Pablo Mendoza 2017-05-08 03:33:20 -05:00 committed by Ivan Grokhotkov
parent af0f5ed956
commit db4d3e0098
1 changed files with 13 additions and 1 deletions
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14
cores/esp8266/core_esp8266_i2s.c
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@ -146,6 +146,10 @@ void ICACHE_FLASH_ATTR i2s_slc_end(){
SLCIE = 0;
SLCTXL &= ~(SLCTXLAM << SLCTXLA); // clear TX descriptor address
SLCRXL &= ~(SLCRXLAM << SLCRXLA); // clear RX descriptor address
for (int x = 0; x<SLC_BUF_CNT; x++) {
free(i2s_slc_buf_pntr[x]);
}
}
//This routine pushes a single, 32-bit sample to the I2S buffers. Call this at (on average)
@ -238,8 +242,16 @@ void ICACHE_FLASH_ATTR i2s_begin(){
}
void ICACHE_FLASH_ATTR i2s_end(){
i2s_slc_end();
I2SC &= ~I2STXS;
//Reset I2S
I2SC &= ~(I2SRST);
I2SC |= I2SRST;
I2SC &= ~(I2SRST);
pinMode(2, INPUT);
pinMode(3, INPUT);
pinMode(15, INPUT);
i2s_slc_end();
}