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-rw-r--r--hw/thefreeman/boost-fwaa-mp3432-hdr-dac-rgb/hwdef.h17
1 files changed, 8 insertions, 9 deletions
diff --git a/hw/thefreeman/boost-fwaa-mp3432-hdr-dac-rgb/hwdef.h b/hw/thefreeman/boost-fwaa-mp3432-hdr-dac-rgb/hwdef.h
index 095aea0..45c02de 100644
--- a/hw/thefreeman/boost-fwaa-mp3432-hdr-dac-rgb/hwdef.h
+++ b/hw/thefreeman/boost-fwaa-mp3432-hdr-dac-rgb/hwdef.h
@@ -103,21 +103,20 @@ enum CHANNEL_MODES {
// Voltage divider battLVL
#define USE_VOLTAGE_DIVIDER // use a dedicated pin, not VCC, because VCC input is regulated
-#define DUAL_VOLTAGE_FLOOR 21 // for AA/14500 boost drivers, don't indicate low voltage if below this level
-#define DUAL_VOLTAGE_LOW_LOW 7 // the lower voltage range's danger zone 0.7 volts (NiMH)
+#define DUAL_VOLTAGE_FLOOR (4*21) // for AA/14500 boost drivers, don't indicate low voltage if below this level
+#define DUAL_VOLTAGE_LOW_LOW (4*7) // the lower voltage range's danger zone 0.7 volts (NiMH)
#define ADMUX_VOLTAGE_DIVIDER ADC_MUXPOS_AIN2_gc // which ADC channel to read
+#undef voltage_raw2cooked
+#define voltage_raw2cooked mcu_vdivider_raw2cooked
+
// Raw ADC readings at 4.4V and 2.2V
// calibrate the voltage readout here
// estimated / calculated values are:
-// (voltage - D1) * (R2/(R2+R1) * 1024 / 1.1)
+// (voltage - D1) * (R2/(R2+R1) * 4096 / 1.1)
// Resistors are 330k and 100k
-#ifndef ADC_44
-#define ADC_44 951 // raw value at 4.40V
-#endif
-#ifndef ADC_22
-#define ADC_22 476 // raw value at 2.20V
-#endif
+#define ADC_44 3810 // raw value at 4.40V
+#define ADC_22 1905 // raw value at 2.20V
// this driver allows for aux LEDs under the optic
#define AUXLED_R_PIN PIN3_bp
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