t1000 : power bat sensor only when necessary

2026-05-12 17:24:50 +00:00 · 2025-04-10 22:00:25 +02:00
parent a5f210779f
commit 96d6ffefad
2 changed files with 5 additions and 2 deletions
@@ -29,9 +29,12 @@ public:

  uint16_t getBattMilliVolts() override {
  #ifdef BATTERY_PIN
+    digitalWrite(PIN_3V3_EN, HIGH);
    analogReference(AR_INTERNAL_3_0);
    analogReadResolution(12);
+    delay(10);
    float volts = (analogRead(BATTERY_PIN) * ADC_MULTIPLIER * AREF_VOLTAGE) / 4096;
+    digitalWrite(PIN_3V3_EN, LOW);

    analogReference(AR_DEFAULT);  // put back to default
    analogReadResolution(10);