nRF52: I2S Fix for double-buffering

- Move TASKS_START down to after the buffers are loaded. Not sure if it matters...
TMRh20 · Nov 4, 2024 · f31a831 · f31a831
1 parent 142dcaa
commit f31a831
Showing 1 changed file with 6 additions and 7 deletions.
diff --git a/src/NRF52840/AutoAnalogAudio.cpp b/src/NRF52840/AutoAnalogAudio.cpp
@@ -268,7 +268,7 @@ 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];
@@ -288,11 +288,7 @@ void AutoAnalog::getADC(uint32_t samples){
     }
 
     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;
@@ -319,7 +315,10 @@ void AutoAnalog::getADC(uint32_t samples){
     }
 
     adcWhichBuf = !adcWhichBuf;
-
+    if(started){
+      NRF_I2S->TASKS_START = 1;
+    }  
+
   }else
   if(useI2S == 0){
     while(!adcReady){__WFE();};