From 1b6f40863b4f08365e39236496d687ab7806ed11 Mon Sep 17 00:00:00 2001
From: Selene ToyKeeper
Date: Mon, 27 Nov 2023 07:31:56 -0700
Subject: fixed ADC on attiny1634 and related builds

---
 hw/hank/noctigon-kr4/hwdef.h | 30 +-----------------------------
 1 file changed, 1 insertion(+), 29 deletions(-)

(limited to 'hw/hank/noctigon-kr4')

diff --git a/hw/hank/noctigon-kr4/hwdef.h b/hw/hank/noctigon-kr4/hwdef.h
index be165bd..49e71fa 100644
--- a/hw/hank/noctigon-kr4/hwdef.h
+++ b/hw/hank/noctigon-kr4/hwdef.h
@@ -97,35 +97,7 @@ enum CHANNEL_MODES {
 // so ignore voltage while the button is being held
 //#define NO_LVP_WHILE_BUTTON_PRESSED
 
-#define USE_VOLTAGE_DIVIDER  // use a dedicated pin, not VCC, because VCC input is flattened
-#define VOLTAGE_PIN PB1      // Pin 18 / PB1 / ADC6
-// pin to ADC mappings are in DS table 19-4
-#define VOLTAGE_ADC      ADC6D  // digital input disable pin for PB1
-// DIDR0/DIDR1 mappings are in DS section 19.13.5, 19.13.6
-#define VOLTAGE_ADC_DIDR DIDR1  // DIDR channel for ADC6D
-// DS tables 19-3, 19-4
-// Bit   7     6     5      4     3    2    1    0
-//     REFS1 REFS0 REFEN ADC0EN MUX3 MUX2 MUX1 MUX0
-// MUX[3:0] = 0, 1, 1, 0 for ADC6 / PB1
-// divided by ...
-// REFS[1:0] = 1, 0 for internal 1.1V reference
-// other bits reserved
-#define ADMUX_VOLTAGE_DIVIDER 0b10000110
-#define ADC_PRSCL   0x07    // clk/128
-
-// 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)
-// D1, R1, R2 = 0, 330, 100
-#ifndef ADC_44
-//#define ADC_44 981  // raw value at 4.40V
-#define ADC_44 967  // manually tweaked so 4.16V will blink out 4.2
-#endif
-#ifndef ADC_22
-//#define ADC_22 489  // raw value at 2.20V
-#define ADC_22 482  // manually tweaked so 4.16V will blink out 4.2
-#endif
+#include "hank/vdivider-1634.h"
 
 // this light has aux LEDs under the optic
 #define AUXLED_R_PIN    PA5    // pin 2
-- 
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