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-rw-r--r--spaghetti-monster/fsm-adc.h4
1 files changed, 4 insertions, 0 deletions
diff --git a/spaghetti-monster/fsm-adc.h b/spaghetti-monster/fsm-adc.h
index 1b16d01..6256e2c 100644
--- a/spaghetti-monster/fsm-adc.h
+++ b/spaghetti-monster/fsm-adc.h
@@ -32,8 +32,12 @@
#endif
// MCU sees voltage 0.X volts lower than actual, add X/2 to readings
#ifndef VOLTAGE_FUDGE_FACTOR
+#ifdef USE_VOLTAGE_DIVIDER
+#define VOLTAGE_FUDGE_FACTOR 0
+#else
#define VOLTAGE_FUDGE_FACTOR 5
#endif
+#endif
volatile uint8_t voltage;
volatile uint8_t adcint_enable; // kludge, because adc auto-retrigger won't turn off
void low_voltage();