diff --git a/src/NRF52840/AutoAnalogAudio.cpp b/src/NRF52840/AutoAnalogAudio.cpp index 7b3cdf8..3c321ac 100644 --- a/src/NRF52840/AutoAnalogAudio.cpp +++ b/src/NRF52840/AutoAnalogAudio.cpp @@ -268,8 +268,31 @@ void AutoAnalog::getADC(uint32_t samples){ started = true; }else{ while(NRF_I2S->EVENTS_RXPTRUPD == 0){} + } + + if(adcWhichBuf == 0){ + NRF_I2S->RXD.PTR = (uint32_t)&adcBuf0[0]; + }else{ + NRF_I2S->RXD.PTR = (uint32_t)&adcBuf1[0]; } uint8_t divider = 2; + if(adcBitsPerSample == 24){ + divider = 1; + }else + if(adcBitsPerSample == 8){ + divider = 4; + } + + if(useI2S == 2 || useI2S == 3){ + NRF_I2S->RXTXD.MAXCNT = samples / divider; + } + + NRF_I2S->EVENTS_RXPTRUPD = 0; + if(started){ + NRF_I2S->TASKS_START = 1; + } + + if(adcBitsPerSample == 24){ if( NRF_I2S->CONFIG.SWIDTH != I2S_CONFIG_SWIDTH_SWIDTH_24BIT << I2S_CONFIG_SWIDTH_SWIDTH_Pos){ NRF_I2S->CONFIG.SWIDTH = I2S_CONFIG_SWIDTH_SWIDTH_24BIT << I2S_CONFIG_SWIDTH_SWIDTH_Pos; @@ -279,7 +302,6 @@ void AutoAnalog::getADC(uint32_t samples){ }else{ memcpy(adcBuffer16, adcBuf1, samples * 4); } - divider = 1; }else if(adcBitsPerSample == 16){ if(adcWhichBuf == 0){ @@ -294,25 +316,9 @@ void AutoAnalog::getADC(uint32_t samples){ }else{ memcpy(adcBuffer, adcBuf1, samples); } - divider = 4; } - if(adcWhichBuf == 0){ - NRF_I2S->RXD.PTR = (uint32_t)&adcBuf0[0]; - }else{ - NRF_I2S->RXD.PTR = (uint32_t)&adcBuf1[0]; - } - adcWhichBuf = !adcWhichBuf; - - - if(useI2S == 2 || useI2S == 3){ - NRF_I2S->RXTXD.MAXCNT = samples / divider; - } - - NRF_I2S->EVENTS_RXPTRUPD = 0; - if(started){ - NRF_I2S->TASKS_START = 1; - } + adcWhichBuf = !adcWhichBuf; }else if(useI2S == 0){