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
|
/* Copyright 2017 Jason Williams
* Copyright 2018 Jack Humbert
* Copyright 2018 Yiancar
* Copyright 2020 MelGeek
* Copyright 2021 MasterSpoon
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#pragma once
#include <stdint.h>
#include <stdbool.h>
#include "progmem.h"
#include "util.h"
#define IS31FL3746A_REG_ID 0xFC
#define IS31FL3746A_REG_COMMAND 0xFD
#define IS31FL3746A_COMMAND_PWM 0x00
#define IS31FL3746A_COMMAND_SCALING 0x01
#define IS31FL3746A_COMMAND_FUNCTION 0x01
#define IS31FL3746A_FUNCTION_REG_CONFIGURATION 0x50
#define IS31FL3746A_FUNCTION_REG_GLOBAL_CURRENT 0x51
#define IS31FL3746A_FUNCTION_REG_PULLDOWNUP 0x52
#define IS31FL3746A_FUNCTION_REG_TEMPERATURE 0x5F
#define IS31FL3746A_FUNCTION_REG_SPREAD_SPECTRUM 0x60
#define IS31FL3746A_FUNCTION_REG_RESET 0x8F
#define IS31FL3746A_FUNCTION_REG_PWM_ENABLE 0xE0
#define IS31FL3746A_FUNCTION_REG_PWM_FREQUENCY 0xE2
#define IS31FL3746A_REG_COMMAND_WRITE_LOCK 0xFE
#define IS31FL3746A_COMMAND_WRITE_LOCK_MAGIC 0xC5
#define IS31FL3746A_I2C_ADDRESS_GND_GND 0x60
#define IS31FL3746A_I2C_ADDRESS_GND_SCL 0x61
#define IS31FL3746A_I2C_ADDRESS_GND_SDA 0x62
#define IS31FL3746A_I2C_ADDRESS_GND_VCC 0x63
#define IS31FL3746A_I2C_ADDRESS_SCL_GND 0x64
#define IS31FL3746A_I2C_ADDRESS_SCL_SCL 0x65
#define IS31FL3746A_I2C_ADDRESS_SCL_SDA 0x66
#define IS31FL3746A_I2C_ADDRESS_SCL_VCC 0x67
#define IS31FL3746A_I2C_ADDRESS_SDA_GND 0x68
#define IS31FL3746A_I2C_ADDRESS_SDA_SCL 0x69
#define IS31FL3746A_I2C_ADDRESS_SDA_SDA 0x6A
#define IS31FL3746A_I2C_ADDRESS_SDA_VCC 0x6B
#define IS31FL3746A_I2C_ADDRESS_VCC_GND 0x6C
#define IS31FL3746A_I2C_ADDRESS_VCC_SCL 0x6D
#define IS31FL3746A_I2C_ADDRESS_VCC_SDA 0x6E
#define IS31FL3746A_I2C_ADDRESS_VCC_VCC 0x6F
#if defined(LED_MATRIX_IS31FL3746A)
# define IS31FL3746A_LED_COUNT LED_MATRIX_LED_COUNT
#endif
#if defined(IS31FL3746A_I2C_ADDRESS_4)
# define IS31FL3746A_DRIVER_COUNT 4
#elif defined(IS31FL3746A_I2C_ADDRESS_3)
# define IS31FL3746A_DRIVER_COUNT 3
#elif defined(IS31FL3746A_I2C_ADDRESS_2)
# define IS31FL3746A_DRIVER_COUNT 2
#elif defined(IS31FL3746A_I2C_ADDRESS_1)
# define IS31FL3746A_DRIVER_COUNT 1
#endif
typedef struct is31fl3746a_led_t {
uint8_t driver : 2;
uint8_t v;
} PACKED is31fl3746a_led_t;
extern const is31fl3746a_led_t PROGMEM g_is31fl3746a_leds[IS31FL3746A_LED_COUNT];
void is31fl3746a_init_drivers(void);
void is31fl3746a_init(uint8_t addr);
void is31fl3746a_write_register(uint8_t addr, uint8_t reg, uint8_t data);
void is31fl3746a_select_page(uint8_t addr, uint8_t page);
void is31fl3746a_write_pwm_buffer(uint8_t addr, uint8_t *pwm_buffer);
void is31fl3746a_set_value(int index, uint8_t value);
void is31fl3746a_set_value_all(uint8_t value);
void is31fl3746a_set_scaling_register(uint8_t index, uint8_t value);
void is31fl3746a_update_pwm_buffers(uint8_t addr, uint8_t index);
void is31fl3746a_update_scaling_registers(uint8_t addr, uint8_t index);
void is31fl3746a_flush(void);
#define IS31FL3746A_PDR_0_OHM 0b000 // No pull-down resistor
#define IS31FL3746A_PDR_0K5_OHM_SW_OFF 0b001 // 0.5 kOhm resistor in SWx off time
#define IS31FL3746A_PDR_1K_OHM_SW_OFF 0b010 // 1 kOhm resistor in SWx off time
#define IS31FL3746A_PDR_2K_OHM_SW_OFF 0b011 // 2 kOhm resistor in SWx off time
#define IS31FL3746A_PDR_1K_OHM 0b100 // 1 kOhm resistor
#define IS31FL3746A_PDR_2K_OHM 0b101 // 2 kOhm resistor
#define IS31FL3746A_PDR_4K_OHM 0b110 // 4 kOhm resistor
#define IS31FL3746A_PDR_8K_OHM 0b111 // 8 kOhm resistor
#define IS31FL3746A_PUR_0_OHM 0b000 // No pull-up resistor
#define IS31FL3746A_PUR_0K5_OHM_CS_OFF 0b001 // 0.5 kOhm resistor in CSy off time
#define IS31FL3746A_PUR_1K_OHM_CS_OFF 0b010 // 1 kOhm resistor in CSy off time
#define IS31FL3746A_PUR_2K_OHM_CS_OFF 0b011 // 2 kOhm resistor in CSy off time
#define IS31FL3746A_PUR_1K_OHM 0b100 // 1 kOhm resistor
#define IS31FL3746A_PUR_2K_OHM 0b101 // 2 kOhm resistor
#define IS31FL3746A_PUR_4K_OHM 0b110 // 4 kOhm resistor
#define IS31FL3746A_PUR_8K_OHM 0b111 // 8 kOhm resistor
#define IS31FL3746A_PWM_FREQUENCY_29K_HZ 0b000
#define IS31FL3746A_PWM_FREQUENCY_14K5_HZ 0b001
#define IS31FL3746A_PWM_FREQUENCY_7K25_HZ 0b010
#define IS31FL3746A_PWM_FREQUENCY_3K63_HZ 0b011
#define IS31FL3746A_PWM_FREQUENCY_1K81_HZ 0b100
#define IS31FL3746A_PWM_FREQUENCY_906_HZ 0b101
#define IS31FL3746A_PWM_FREQUENCY_453_HZ 0b110
#define CS1_SW1 0x00
#define CS2_SW1 0x01
#define CS3_SW1 0x02
#define CS4_SW1 0x03
#define CS5_SW1 0x04
#define CS6_SW1 0x05
#define CS7_SW1 0x06
#define CS8_SW1 0x07
#define CS9_SW1 0x08
#define CS10_SW1 0x09
#define CS11_SW1 0x0A
#define CS12_SW1 0x0B
#define CS13_SW1 0x0C
#define CS14_SW1 0x0D
#define CS15_SW1 0x0E
#define CS16_SW1 0x0F
#define CS17_SW1 0x10
#define CS18_SW1 0x11
#define CS1_SW2 0x12
#define CS2_SW2 0x13
#define CS3_SW2 0x14
#define CS4_SW2 0x15
#define CS5_SW2 0x16
#define CS6_SW2 0x17
#define CS7_SW2 0x18
#define CS8_SW2 0x19
#define CS9_SW2 0x1A
#define CS10_SW2 0x1B
#define CS11_SW2 0x1C
#define CS12_SW2 0x1D
#define CS13_SW2 0x1E
#define CS14_SW2 0x1F
#define CS15_SW2 0x20
#define CS16_SW2 0x21
#define CS17_SW2 0x22
#define CS18_SW2 0x23
#define CS1_SW3 0x24
#define CS2_SW3 0x25
#define CS3_SW3 0x26
#define CS4_SW3 0x27
#define CS5_SW3 0x28
#define CS6_SW3 0x29
#define CS7_SW3 0x2A
#define CS8_SW3 0x2B
#define CS9_SW3 0x2C
#define CS10_SW3 0x2D
#define CS11_SW3 0x2E
#define CS12_SW3 0x2F
#define CS13_SW3 0x30
#define CS14_SW3 0x31
#define CS15_SW3 0x32
#define CS16_SW3 0x33
#define CS17_SW3 0x34
#define CS18_SW3 0x35
#define CS1_SW4 0x36
#define CS2_SW4 0x37
#define CS3_SW4 0x38
#define CS4_SW4 0x39
#define CS5_SW4 0x3A
#define CS6_SW4 0x3B
#define CS7_SW4 0x3C
#define CS8_SW4 0x3D
#define CS9_SW4 0x3E
#define CS10_SW4 0x3F
#define CS11_SW4 0x40
#define CS12_SW4 0x41
#define CS13_SW4 0x42
#define CS14_SW4 0x43
#define CS15_SW4 0x44
#define CS16_SW4 0x45
#define CS17_SW4 0x46
#define CS18_SW4 0x47
|