From e9e65c8e8ac8b94745ab1c1ed3567bf9a07e3ff4 Mon Sep 17 00:00:00 2001
From: Selene ToyKeeper
Date: Fri, 31 Jul 2020 20:53:12 -0600
Subject: added a voltage calibration / correction function, 7C from battcheck
 to configure

---
 spaghetti-monster/fsm-adc.h | 5 +++++
 1 file changed, 5 insertions(+)

(limited to 'spaghetti-monster/fsm-adc.h')

diff --git a/spaghetti-monster/fsm-adc.h b/spaghetti-monster/fsm-adc.h
index cc33264..56583bb 100644
--- a/spaghetti-monster/fsm-adc.h
+++ b/spaghetti-monster/fsm-adc.h
@@ -52,6 +52,11 @@ void adc_deferred();  // do the actual ADC-related calculations
 
 static inline void ADC_voltage_handler();
 uint8_t voltage = 0;
+#ifdef USE_VOLTAGE_CORRECTION
+// same 0.05V units as fudge factor,
+// but 7 is neutral, and the expected range is from 1 to 13
+uint8_t voltage_correction = 7;
+#endif
 #ifdef USE_LVP
 void low_voltage();
 #endif
-- 
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