1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
|
// Emisar 2-channel generic w/ tint ramping
// Copyright (C) 2021-2023 Selene ToyKeeper
// SPDX-License-Identifier: GPL-3.0-or-later
#pragma once
/*
* Pin / Name / Function
* 1 PA6 ch2 LED PWM (linear) (PWM1B)
* 2 PA5 R: red aux LED (PWM0B)
* 3 PA4 G: green aux LED
* 4 PA3 B: blue aux LED
* 5 PA2 button LED
* 6 PA1 Opamp 2 enable (channel 2 LEDs)
* 7 PA0 Opamp 1 enable (channel 1 LEDs)
* 8 GND GND
* 9 VCC VCC
* 10 PC5 (none)
* 11 PC4 (none)
* 12 PC3 RESET
* 13 PC2 (none)
* 14 PC1 SCK
* 15 PC0 [unused: ch1 LED PWM (FET) (PWM0A, 8-bit)]
* 16 PB3 ch1 LED PWM (linear) (PWM1A)
* 17 PB2 MISO
* 18 PB1 MOSI / battery voltage (ADC6)
* 19 PB0 (none)
* 20 PA7 e-switch (PCINT7)
* ADC12 thermal sensor
*/
#define HWDEF_C_FILE hwdef-emisar-2ch.c
#define ATTINY 1634
#include <avr/io.h>
// channel modes:
// * 0. channel 1 only
// * 1. channel 2 only
// * 2. both channels, tied together
// * 3. both channels, manual blend, max 200% power?
// * 4. both channels, auto blend, reversible
#define NUM_CHANNEL_MODES 5
#define CM_CH1 0
#define CM_CH2 1
#define CM_BOTH 2
#define CM_BLEND 3
#define CM_AUTO 4
#define CHANNEL_MODES_ENABLED 0b00011111
#define CHANNEL_HAS_ARGS 0b00011000
// _, _, _, 128=middle CCT, 0=warm-to-cool
#define CHANNEL_MODE_ARGS 0,0,0,128,0
#define USE_CHANNEL_MODES
#define USE_CHANNEL_MODE_ARGS
#define SET_LEVEL_MODES set_level_ch1, \
set_level_ch2, \
set_level_both, \
set_level_blend, \
set_level_auto
// gradual ticking for thermal regulation
#define GRADUAL_TICK_MODES gradual_tick_ch1, \
gradual_tick_ch2, \
gradual_tick_both, \
gradual_tick_blend, \
gradual_tick_auto
// can use some of the common handlers
#define USE_CALC_2CH_BLEND
#define PWM_CHANNELS 1 // old, remove this
#define PWM_BITS 16 // 0 to 16383 at variable Hz, not 0 to 255 at 16 kHz
#define PWM_GET PWM_GET16
#define PWM_DATATYPE uint16_t
#define PWM_DATATYPE2 uint32_t // only needs 32-bit if ramp values go over 255
#define PWM1_DATATYPE uint16_t // regular ramp table
#define PWM2_DATATYPE uint16_t // max "200% power" ramp table
//#define PWM3_DATATYPE uint8_t // DD FET ramp table (8-bit only)
// PWM parameters of both channels are tied together because they share a counter
#define PWM_TOP ICR1 // holds the TOP value for for variable-resolution PWM
#define PWM_TOP_INIT 511
#define PWM_CNT TCNT1 // for dynamic PWM, reset phase
#define CH1_PIN PB3 // pin 16, Opamp reference
#define CH1_PWM OCR1A // OCR1A is the output compare register for PB3
#define CH1_ENABLE_PIN PA0 // pin 7, Opamp power
#define CH1_ENABLE_PORT PORTA // control port for PA0
#define CH2_PIN PA6 // pin 1, 2nd LED Opamp reference
#define CH2_PWM OCR1B // OCR1B is the output compare register for PA6
#define CH2_ENABLE_PIN PA1 // pin 6, Opamp power
#define CH2_ENABLE_PORT PORTA // control port for PA1
//#define CH3_PIN PC0 // pin 15, DD FET PWM
//#define CH3_LVL OCR0A // OCR0A is the output compare register for PC0
#ifndef SWITCH_PIN
#define SWITCH_PIN PA7 // pin 20
#define SWITCH_PCINT PCINT7 // pin 20 pin change interrupt
#define SWITCH_PCIE PCIE0 // PCIE1 is for PCINT[7:0]
#define SWITCH_PCMSK PCMSK0 // PCMSK1 is for PCINT[7:0]
#define SWITCH_PORT PINA // PINA or PINB or PINC
#define SWITCH_PUE PUEA // pullup group A
#define PCINT_vect PCINT0_vect // ISR for PCINT[7:0]
#endif
#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
// this light has aux LEDs under the optic
#define AUXLED_R_PIN PA5 // pin 2
#define AUXLED_G_PIN PA4 // pin 3
#define AUXLED_B_PIN PA3 // pin 4
#define AUXLED_RGB_PORT PORTA // PORTA or PORTB or PORTC
#define AUXLED_RGB_DDR DDRA // DDRA or DDRB or DDRC
#define AUXLED_RGB_PUE PUEA // PUEA or PUEB or PUEC
#define BUTTON_LED_PIN PA2 // pin 5
#define BUTTON_LED_PORT PORTA // for all "PA" pins
#define BUTTON_LED_DDR DDRA // for all "PA" pins
#define BUTTON_LED_PUE PUEA // for all "PA" pins
void set_level_ch1(uint8_t level);
void set_level_ch2(uint8_t level);
void set_level_both(uint8_t level);
void set_level_blend(uint8_t level);
void set_level_auto(uint8_t level);
bool gradual_tick_ch1(uint8_t gt);
bool gradual_tick_ch2(uint8_t gt);
bool gradual_tick_both(uint8_t gt);
bool gradual_tick_blend(uint8_t gt);
bool gradual_tick_auto(uint8_t gt);
// with so many pins, doing this all with #ifdefs gets awkward...
// ... so just hardcode it in each hwdef file instead
inline void hwdef_setup() {
// enable output ports
//DDRC = (1 << CH3_PIN);
DDRB = (1 << CH1_PIN);
DDRA = (1 << CH2_PIN)
| (1 << AUXLED_R_PIN)
| (1 << AUXLED_G_PIN)
| (1 << AUXLED_B_PIN)
| (1 << BUTTON_LED_PIN)
| (1 << CH1_ENABLE_PIN)
| (1 << CH2_ENABLE_PIN)
;
// configure PWM
// Setup PWM. F_pwm = F_clkio / 2 / N / TOP, where N = prescale factor, TOP = top of counter
// pre-scale for timer: N = 1
// Linear opamp PWM for both main and 2nd LEDs (10-bit)
// WGM1[3:0]: 1,0,1,0: PWM, Phase Correct, adjustable (DS table 12-5)
// CS1[2:0]: 0,0,1: clk/1 (No prescaling) (DS table 12-6)
// COM1A[1:0]: 1,0: PWM OC1A in the normal direction (DS table 12-4)
// COM1B[1:0]: 1,0: PWM OC1B in the normal direction (DS table 12-4)
TCCR1A = (1<<WGM11) | (0<<WGM10) // adjustable PWM (TOP=ICR1) (DS table 12-5)
| (1<<COM1A1) | (0<<COM1A0) // PWM 1A in normal direction (DS table 12-4)
| (1<<COM1B1) | (0<<COM1B0) // PWM 1B in normal direction (DS table 12-4)
;
TCCR1B = (0<<CS12) | (0<<CS11) | (1<<CS10) // clk/1 (no prescaling) (DS table 12-6)
| (1<<WGM13) | (0<<WGM12) // phase-correct adjustable PWM (DS table 12-5)
;
// unused on this driver
// FET PWM (8-bit; this channel can't do 10-bit)
// WGM0[2:0]: 0,0,1: PWM, Phase Correct, 8-bit (DS table 11-8)
// CS0[2:0]: 0,0,1: clk/1 (No prescaling) (DS table 11-9)
// COM0A[1:0]: 1,0: PWM OC0A in the normal direction (DS table 11-4)
// COM0B[1:0]: 1,0: PWM OC0B in the normal direction (DS table 11-7)
//TCCR0A = (0<<WGM01) | (1<<WGM00) // 8-bit (TOP=0xFF) (DS table 11-8)
// | (1<<COM0A1) | (0<<COM0A0) // PWM 0A in normal direction (DS table 11-4)
// //| (1<<COM0B1) | (0<<COM0B0) // PWM 0B in normal direction (DS table 11-7)
// ;
//TCCR0B = (0<<CS02) | (0<<CS01) | (1<<CS00) // clk/1 (no prescaling) (DS table 11-9)
// | (0<<WGM02) // phase-correct PWM (DS table 11-8)
// ;
//CH3_LVL = 0; // ensure this channel is off, if it exists
// set PWM resolution
PWM_TOP = PWM_TOP_INIT;
// set up e-switch
SWITCH_PUE = (1 << SWITCH_PIN); // pull-up for e-switch
SWITCH_PCMSK = (1 << SWITCH_PCINT); // enable pin change interrupt
}
#define LAYOUT_DEFINED
|
