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
|
// BLF LT1S Pro driver layout using the Attiny1616
// Copyright (C) 2022-2023 (FIXME)
// SPDX-License-Identifier: GPL-3.0-or-later
#pragma once
/*
* Driver pinout:
* eSwitch: PA5
* Aux LED: PB5
* WW PWM: PB0 (TCA0 WO0)
* CW PWM: PB1 (TCA0 WO1)
* Red PWM: PB2 (TCA0 WO2)
* Voltage: VCC
*/
#define HWDEF_C sofirn/lt1s-pro/hwdef.c
// channel modes:
// * 0. warm/cool white blend
// * 1. auto 2ch white blend (warm -> cool by ramp level)
// * 2. auto 3ch blend (red -> warm -> cool by ramp level)
// * 3. red only
// * 4. red + white blend
#define NUM_CHANNEL_MODES 5
enum channel_modes_e {
CM_WHITE = 0,
CM_AUTO2,
CM_AUTO3,
CM_RED,
CM_WHITE_RED,
};
#define CHANNEL_MODES_ENABLED 0b00011111
#define USE_CHANNEL_MODE_ARGS
// 128=middle CCT, _, _, _, 255=100% red
#define CHANNEL_MODE_ARGS 128,0,0,0,255
// can use some of the common handlers
#define USE_CALC_2CH_BLEND
//#define USE_CALC_AUTO_3CH_BLEND
#define PWM_CHANNELS 1 // old, remove this
// only using 16-bit PWM on this light
#define PWM_BITS 16
#define PWM_GET PWM_GET16
#define PWM_DATATYPE uint16_t
#define PWM1_DATATYPE uint16_t
#define PWM_DATATYPE2 uint32_t
// dynamic PWM
// PWM parameters of all channels are tied together because they share a counter
#define PWM_TOP_INIT 511 // highest value used in the top half of the ramp
#define PWM_TOP TCA0.SINGLE.PERBUF // holds the TOP value for for variable-resolution PWM
#define PWM_CNT TCA0.SINGLE.CNT // for resetting phase after each TOP adjustment
// warm LEDs
//#define WARM_PWM_PIN PB0
#define WARM_PWM_LVL TCA0.SINGLE.CMP0BUF // CMP1 is the output compare register for PB0
// cold LEDs
//#define COOL_PWM_PIN PB1
#define COOL_PWM_LVL TCA0.SINGLE.CMP1BUF // CMP0 is the output compare register for PB1
// red LEDs
//#define RED_PWM_PIN PB2
#define RED_PWM_LVL TCA0.SINGLE.CMP2BUF // CMP2 is the output compare register for PB2
// lighted button
#define AUXLED_PIN PIN5_bp
#define AUXLED_PORT PORTB
// the button lights up
#define USE_INDICATOR_LED
// the button is visible while main LEDs are on
#define USE_INDICATOR_LED_WHILE_RAMPING
// e-switch
#define SWITCH_PIN PIN5_bp
#define SWITCH_PORT VPORTA.IN
#define SWITCH_ISC_REG PORTA.PIN2CTRL
#define SWITCH_VECT PORTA_PORT_vect
#define SWITCH_INTFLG VPORTA.INTFLAGS
// average drop across diode on this hardware
#ifndef VOLTAGE_FUDGE_FACTOR
#define VOLTAGE_FUDGE_FACTOR 7 // add 0.35V
#endif
inline void hwdef_setup() {
// set up the system clock to run at 10 MHz instead of the default 3.33 MHz
_PROTECTED_WRITE( CLKCTRL.MCLKCTRLB,
CLKCTRL_PDIV_2X_gc | CLKCTRL_PEN_bm );
//VPORTA.DIR = ...;
// Outputs
VPORTB.DIR = PIN0_bm // warm white
| PIN1_bm // cool white
| PIN2_bm // red
| PIN5_bm; // aux LED
//VPORTC.DIR = ...;
// enable pullups on the unused pins to reduce power
PORTA.PIN0CTRL = PORT_PULLUPEN_bm;
PORTA.PIN1CTRL = PORT_PULLUPEN_bm;
PORTA.PIN2CTRL = PORT_PULLUPEN_bm;
PORTA.PIN3CTRL = PORT_PULLUPEN_bm;
PORTA.PIN4CTRL = PORT_PULLUPEN_bm;
PORTA.PIN5CTRL = PORT_PULLUPEN_bm | PORT_ISC_BOTHEDGES_gc; // eSwitch
PORTA.PIN6CTRL = PORT_PULLUPEN_bm;
PORTA.PIN7CTRL = PORT_PULLUPEN_bm;
//PORTB.PIN0CTRL = PORT_PULLUPEN_bm; // warm tint channel
//PORTB.PIN1CTRL = PORT_PULLUPEN_bm; // cold tint channel
//PORTB.PIN2CTRL = PORT_PULLUPEN_bm; // red LEDs
PORTB.PIN3CTRL = PORT_PULLUPEN_bm;
PORTB.PIN4CTRL = PORT_PULLUPEN_bm;
//PORTB.PIN5CTRL = PORT_PULLUPEN_bm; // Aux LED
PORTC.PIN0CTRL = PORT_PULLUPEN_bm;
PORTC.PIN1CTRL = PORT_PULLUPEN_bm;
PORTC.PIN2CTRL = PORT_PULLUPEN_bm;
PORTC.PIN3CTRL = PORT_PULLUPEN_bm;
// set up the PWM
// https://ww1.microchip.com/downloads/en/DeviceDoc/ATtiny1614-16-17-DataSheet-DS40002204A.pdf
// PB0 is TCA0:WO0, use TCA_SINGLE_CMP0EN_bm
// PB1 is TCA0:WO1, use TCA_SINGLE_CMP1EN_bm
// PB2 is TCA0:WO2, use TCA_SINGLE_CMP2EN_bm
// For Fast (Single Slope) PWM use TCA_SINGLE_WGMODE_SINGLESLOPE_gc
// For Phase Correct (Dual Slope) PWM use TCA_SINGLE_WGMODE_DSBOTTOM_gc
// TODO: add references to MCU documentation
TCA0.SINGLE.CTRLB = TCA_SINGLE_CMP0EN_bm
| TCA_SINGLE_CMP1EN_bm
| TCA_SINGLE_CMP2EN_bm
| TCA_SINGLE_WGMODE_DSBOTTOM_gc;
PWM_TOP = PWM_TOP_INIT;
TCA0.SINGLE.CTRLA = TCA_SINGLE_CLKSEL_DIV1_gc
| TCA_SINGLE_ENABLE_bm;
}
#define LAYOUT_DEFINED
|
