Jurica Resetar / acn_nrf52_saadc_2

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Dependents:   acd52832_SAADC_Differential_input_2

Fork of acn_nrf52_saadc by Jurica Resetar

Diff: acd_nrf52_saadc.cpp

Revision:
2:1e7d6ab5b04b
Parent:
1:2d6e904c6843
Child:
3:fcada8b3b567
--- a/acd_nrf52_saadc.cpp	Wed Aug 23 07:28:42 2017 +0000
+++ b/acd_nrf52_saadc.cpp	Wed Aug 23 07:59:02 2017 +0000
@@ -7,21 +7,22 @@
     NRF_SAADC->RESULT.MAXCNT = 1;
     NRF_SAADC->RESULT.PTR =(uint32_t)dataPointer;
     NRF_SAADC->CH[0].PSELP = 9;     // Input positive pin is VDD = 9
+    NRF_SAADC->TASKS_CALIBRATEOFFSET = 1;
+    while(!NRF_SAADC->EVENTS_CALIBRATEDONE);
 }
 
 NRF52_SAADC::~NRF52_SAADC(){
-    
+    NRF_SAADC->ENABLE = 0;
 }
 
 void NRF52_SAADC::getData(){
     NRF_SAADC->TASKS_START = 1;
     while(!NRF_SAADC->EVENTS_STARTED);
     NRF_SAADC->TASKS_SAMPLE = 1;
-    while(!NRF_SAADC->EVENTS_END);
     while(!NRF_SAADC->EVENTS_RESULTDONE);
     while(!NRF_SAADC->EVENTS_DONE);
-    //if(NRF_SAADC->RESULT.AMOUNT == 0);
-    wait_us(20);
+    while(!NRF_SAADC->EVENTS_END);
+    while(NRF_SAADC->STATUS == 1); // while conversion is is progress
     NRF_SAADC->TASKS_STOP = 1;
     while(!NRF_SAADC->EVENTS_STOPPED);
 }