battery voltage moved to pin 2

Dewald928 · Mar 30, 2021 · 69cc49b · 69cc49b
1 parent a59e391
commit 69cc49b
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Showing 2 changed files with 2 additions and 1 deletion.
diff --git a/include/config.h b/include/config.h
@@ -4,7 +4,7 @@
 // Constants
 #define PIN_DHT 15 // Digital pin connected to the DHT sensor
 #define PIN_SOIL 14 // Analog pin for soil sensor
-#define PIN_BATTERY 12 // Analog pin for battery level
+#define PIN_BATTERY 2 // Analog pin for battery level
 #define PIN_LED 33 // Pin for onboard led
 #define PIN_FLASH 4 // Pin for builtin flash
 #define DHTTYPE DHT22 //DHT22 sensor

diff --git a/src/sensors.cpp b/src/sensors.cpp
@@ -106,6 +106,7 @@ float get_battery_voltage(uint64_t reg_b){
     WRITE_PERI_REG(SENS_SAR_READ_CTRL2_REG, reg_b);
     //VERY IMPORTANT: DO THIS TO NOT HAVE INVERTED VALUES! port 14 inverts but not 12. weird.
     SET_PERI_REG_MASK(SENS_SAR_READ_CTRL2_REG, SENS_SAR2_DATA_INV);
+    analogSetAttenuation(ADC_11db);
 
     int value = analogRead(PIN_BATTERY);
     float battery_voltage = mapf(value, 4095, 0, 4.2, 0);