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:
7:1093819c3bbf
Parent:
6:57e342aaaca7
Child:
8:b4afe08821f5
--- a/acd_nrf52_saadc.cpp	Thu Aug 24 11:54:14 2017 +0000
+++ b/acd_nrf52_saadc.cpp	Thu Sep 28 14:42:00 2017 +0000
@@ -31,7 +31,9 @@
     if(NRF_SAADC->RESULT.MAXCNT < 8){
         int channel = NRF_SAADC->RESULT.MAXCNT;
         NRF_SAADC->CH[channel].PSELP = pin;     // Input positive pin is VDD = 9
-        NRF_SAADC->CH[channel].CONFIG = 0x00020000; // reset
+        NRF_SAADC->CH[channel].PSELN = pin+1;     // Input positive pin is VDD = 9
+        NRF_SAADC->CH[channel].CONFIG = 0x00125000; // differential  input
+        //NRF_SAADC->CH[channel].CONFIG = 0x00020000; // reset
         NRF_SAADC->RESULT.MAXCNT++;
         return 0;
     }