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LED drivers: extract IS31FL3742A from IS31COMMON (#22620)

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Ryan 2024-01-01 12:40:35 +11:00 committed by GitHub
parent 709d07aebc
commit e1c0bd8a7c
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GPG Key ID: 4AEE18F83AFDEB23
10 changed files with 819 additions and 90 deletions
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6
builddefs/common_features.mk
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@ -396,10 +396,9 @@ ifeq ($(strip $(LED_MATRIX_ENABLE)), yes)
endif endif
ifeq ($(strip $(LED_MATRIX_DRIVER)), is31fl3742a) ifeq ($(strip $(LED_MATRIX_DRIVER)), is31fl3742a)
OPT_DEFS += -DIS31FLCOMMON
I2C_DRIVER_REQUIRED = yes I2C_DRIVER_REQUIRED = yes
COMMON_VPATH += $(DRIVER_PATH)/led/issi COMMON_VPATH += $(DRIVER_PATH)/led/issi
SRC += is31flcommon.c SRC += is31fl3742a-simple.c
endif endif
ifeq ($(strip $(LED_MATRIX_DRIVER)), is31fl3743a) ifeq ($(strip $(LED_MATRIX_DRIVER)), is31fl3743a)
@ -503,10 +502,9 @@ ifeq ($(strip $(RGB_MATRIX_ENABLE)), yes)
endif endif
ifeq ($(strip $(RGB_MATRIX_DRIVER)), is31fl3742a) ifeq ($(strip $(RGB_MATRIX_DRIVER)), is31fl3742a)
OPT_DEFS += -DIS31FLCOMMON
I2C_DRIVER_REQUIRED = yes I2C_DRIVER_REQUIRED = yes
COMMON_VPATH += $(DRIVER_PATH)/led/issi COMMON_VPATH += $(DRIVER_PATH)/led/issi
SRC += is31flcommon.c SRC += is31fl3742a.c
endif endif
ifeq ($(strip $(RGB_MATRIX_DRIVER)), is31fl3743a) ifeq ($(strip $(RGB_MATRIX_DRIVER)), is31fl3743a)

206
drivers/led/issi/is31fl3742a-simple.c Normal file
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@ -0,0 +1,206 @@
#include "is31fl3742a-simple.h"
#include <string.h>
#include "i2c_master.h"
#include "wait.h"
#define IS31FL3742A_PWM_REGISTER_COUNT 180
#define IS31FL3742A_SCALING_REGISTER_COUNT 180
#ifndef IS31FL3742A_I2C_TIMEOUT
# define IS31FL3742A_I2C_TIMEOUT 100
#endif
#ifndef IS31FL3742A_I2C_PERSISTENCE
# define IS31FL3742A_I2C_PERSISTENCE 0
#endif
#ifndef IS31FL3742A_CONFIGURATION
# define IS31FL3742A_CONFIGURATION 0x31
#endif
#ifndef IS31FL3742A_PWM_FREQUENCY
# define IS31FL3742A_PWM_FREQUENCY IS31FL3742A_PWM_FREQUENCY_29K_HZ
#endif
#ifndef IS31FL3742A_SW_PULLDOWN
# define IS31FL3742A_SW_PULLDOWN IS31FL3742A_PDR_8K_OHM
#endif
#ifndef IS31FL3742A_CS_PULLUP
# define IS31FL3742A_CS_PULLUP IS31FL3742A_PUR_8K_OHM
#endif
#ifndef IS31FL3742A_GLOBAL_CURRENT
# define IS31FL3742A_GLOBAL_CURRENT 0xFF
#endif
uint8_t i2c_transfer_buffer[20] = {0xFF};
uint8_t g_pwm_buffer[IS31FL3742A_DRIVER_COUNT][IS31FL3742A_PWM_REGISTER_COUNT];
bool g_pwm_buffer_update_required[IS31FL3742A_DRIVER_COUNT] = {false};
bool g_scaling_registers_update_required[IS31FL3742A_DRIVER_COUNT] = {false};
uint8_t g_scaling_registers[IS31FL3742A_DRIVER_COUNT][IS31FL3742A_SCALING_REGISTER_COUNT];
void is31fl3742a_write_register(uint8_t addr, uint8_t reg, uint8_t data) {
i2c_transfer_buffer[0] = reg;
i2c_transfer_buffer[1] = data;
#if IS31FL3742A_I2C_PERSISTENCE > 0
for (uint8_t i = 0; i < IS31FL3742A_I2C_PERSISTENCE; i++) {
if (i2c_transmit(addr << 1, i2c_transfer_buffer, 2, IS31FL3742A_I2C_TIMEOUT) == 0) break;
}
#else
i2c_transmit(addr << 1, i2c_transfer_buffer, 2, IS31FL3742A_I2C_TIMEOUT);
#endif
}
void is31fl3742a_select_page(uint8_t addr, uint8_t page) {
is31fl3742a_write_register(addr, IS31FL3742A_REG_COMMAND_WRITE_LOCK, IS31FL3742A_COMMAND_WRITE_LOCK_MAGIC);
is31fl3742a_write_register(addr, IS31FL3742A_REG_COMMAND, page);
}
void is31fl3742a_write_pwm_buffer(uint8_t addr, uint8_t *pwm_buffer) {
// Assumes page 0 is already selected.
// If any of the transactions fails function returns false.
// Transmit PWM registers in 12 transfers of 16 bytes.
// i2c_transfer_buffer[] is 20 bytes
// Iterate over the pwm_buffer contents at 16 byte intervals.
for (int i = 0; i < IS31FL3742A_PWM_REGISTER_COUNT; i += 16) {
i2c_transfer_buffer[0] = i;
// Copy the data from i to i+15.
// Device will auto-increment register for data after the first byte
// Thus this sets registers 0x00-0x0F, 0x10-0x1F, etc. in one transfer.
memcpy(i2c_transfer_buffer + 1, pwm_buffer + i, 16);
#if IS31FL3742A_I2C_PERSISTENCE > 0
for (uint8_t i = 0; i < IS31FL3742A_I2C_PERSISTENCE; i++) {
if (i2c_transmit(addr << 1, i2c_transfer_buffer, 17, IS31FL3742A_I2C_TIMEOUT) != 0) break;
}
#else
i2c_transmit(addr << 1, i2c_transfer_buffer, 17, IS31FL3742A_I2C_TIMEOUT);
#endif
}
}
void is31fl3742a_init_drivers(void) {
i2c_init();
is31fl3742a_init(IS31FL3742A_I2C_ADDRESS_1);
#if defined(IS31FL3742A_I2C_ADDRESS_2)
is31fl3742a_init(IS31FL3742A_I2C_ADDRESS_2);
# if defined(IS31FL3742A_I2C_ADDRESS_3)
is31fl3742a_init(IS31FL3742A_I2C_ADDRESS_3);
# if defined(IS31FL3742A_I2C_ADDRESS_4)
is31fl3742a_init(IS31FL3742A_I2C_ADDRESS_4);
# endif
# endif
#endif
for (int i = 0; i < IS31FL3742A_LED_COUNT; i++) {
is31fl3742a_set_scaling_register(i, 0xFF);
}
is31fl3742a_update_scaling_registers(IS31FL3742A_I2C_ADDRESS_1, 0);
#if defined(IS31FL3742A_I2C_ADDRESS_2)
is31fl3742a_update_scaling_registers(IS31FL3742A_I2C_ADDRESS_2, 1);
# if defined(IS31FL3742A_I2C_ADDRESS_3)
is31fl3742a_update_scaling_registers(IS31FL3742A_I2C_ADDRESS_3, 2);
# if defined(IS31FL3742A_I2C_ADDRESS_4)
is31fl3742a_update_scaling_registers(IS31FL3742A_I2C_ADDRESS_4, 3);
# endif
# endif
#endif
}
void is31fl3742a_init(uint8_t addr) {
// In order to avoid the LEDs being driven with garbage data
// in the LED driver's PWM registers, shutdown is enabled last.
// Set up the mode and other settings, clear the PWM registers,
// then disable software shutdown.
is31fl3742a_select_page(addr, IS31FL3742A_COMMAND_SCALING);
// Turn off all LEDs.
for (int i = 0; i < IS31FL3742A_SCALING_REGISTER_COUNT; i++) {
is31fl3742a_write_register(addr, i, 0x00);
}
is31fl3742a_select_page(addr, IS31FL3742A_COMMAND_PWM);
for (int i = 0; i < IS31FL3742A_PWM_REGISTER_COUNT; i++) {
is31fl3742a_write_register(addr, i, 0x00);
}
is31fl3742a_select_page(addr, IS31FL3742A_COMMAND_FUNCTION);
is31fl3742a_write_register(addr, IS31FL3742A_FUNCTION_REG_PULLDOWNUP, (IS31FL3742A_SW_PULLDOWN << 4) | IS31FL3742A_CS_PULLUP);
is31fl3742a_write_register(addr, IS31FL3742A_FUNCTION_REG_GLOBAL_CURRENT, IS31FL3742A_GLOBAL_CURRENT);
is31fl3742a_write_register(addr, IS31FL3742A_FUNCTION_REG_PWM_FREQUENCY, (IS31FL3742A_PWM_FREQUENCY & 0b0111));
is31fl3742a_write_register(addr, IS31FL3742A_FUNCTION_REG_CONFIGURATION, IS31FL3742A_CONFIGURATION);
// Wait 10ms to ensure the device has woken up.
wait_ms(10);
}
void is31fl3742a_set_value(int index, uint8_t value) {
is31fl3742a_led_t led;
if (index >= 0 && index < IS31FL3742A_LED_COUNT) {
memcpy_P(&led, (&g_is31fl3742a_leds[index]), sizeof(led));
if (g_pwm_buffer[led.driver][led.v] == value) {
return;
}
g_pwm_buffer[led.driver][led.v] = value;
g_pwm_buffer_update_required[led.driver] = true;
}
}
void is31fl3742a_set_value_all(uint8_t value) {
for (int i = 0; i < IS31FL3742A_LED_COUNT; i++) {
is31fl3742a_set_value(i, value);
}
}
void is31fl3742a_set_scaling_register(uint8_t index, uint8_t value) {
is31fl3742a_led_t led;
memcpy_P(&led, (&g_is31fl3742a_leds[index]), sizeof(led));
g_scaling_registers[led.driver][led.v] = value;
g_scaling_registers_update_required[led.driver] = true;
}
void is31fl3742a_update_pwm_buffers(uint8_t addr, uint8_t index) {
if (g_pwm_buffer_update_required[index]) {
is31fl3742a_select_page(addr, IS31FL3742A_COMMAND_PWM);
is31fl3742a_write_pwm_buffer(addr, g_pwm_buffer[index]);
g_pwm_buffer_update_required[index] = false;
}
}
void is31fl3742a_update_scaling_registers(uint8_t addr, uint8_t index) {
if (g_scaling_registers_update_required[index]) {
is31fl3742a_select_page(addr, IS31FL3742A_COMMAND_SCALING);
for (int i = 0; i < IS31FL3742A_SCALING_REGISTER_COUNT; i++) {
is31fl3742a_write_register(addr, i, g_scaling_registers[index][i]);
}
g_scaling_registers_update_required[index] = false;
}
}
void is31fl3742a_flush(void) {
is31fl3742a_update_pwm_buffers(IS31FL3742A_I2C_ADDRESS_1, 0);
#if defined(IS31FL3742A_I2C_ADDRESS_2)
is31fl3742a_update_pwm_buffers(IS31FL3742A_I2C_ADDRESS_2, 1);
# if defined(IS31FL3742A_I2C_ADDRESS_3)
is31fl3742a_update_pwm_buffers(IS31FL3742A_I2C_ADDRESS_3, 2);
# if defined(IS31FL3742A_I2C_ADDRESS_4)
is31fl3742a_update_pwm_buffers(IS31FL3742A_I2C_ADDRESS_4, 3);
# endif
# endif
#endif
}

164
drivers/led/issi/is31fl3742.h → drivers/led/issi/is31fl3742a-simple.h
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@ -20,98 +20,96 @@
#pragma once #pragma once
// This is a 7-bit address, that gets left-shifted and bit 0 #include <stdint.h>
// set to 0 for write, 1 for read (as per I2C protocol) #include <stdbool.h>
// The address will vary depending on your wiring: #include "progmem.h"
// 00 <-> GND #include "util.h"
// 01 <-> SCL
// 10 <-> SDA #define IS31FL3742A_REG_INTERRUPT_MASK 0xF0
// 11 <-> VCC #define IS31FL3742A_REG_INTERRUPT_STATUS 0xF1
// ADDR represents A1:A0 of the 7-bit address. #define IS31FL3742A_REG_ID 0xFC
// The result is: 0b01100(ADDR)
#ifndef DRIVER_ADDR_1 #define IS31FL3742A_REG_COMMAND 0xFD
# define DRIVER_ADDR_1 0b0110000
#define IS31FL3742A_COMMAND_PWM 0x00
#define IS31FL3742A_COMMAND_SCALING 0x02
#define IS31FL3742A_COMMAND_FUNCTION 0x04
#define IS31FL3742A_FUNCTION_REG_CONFIGURATION 0x00
#define IS31FL3742A_FUNCTION_REG_GLOBAL_CURRENT 0x01
#define IS31FL3742A_FUNCTION_REG_PULLDOWNUP 0x02
#define IS31FL3742A_FUNCTION_REG_PWM_FREQUENCY 0x36
#define IS31FL3742A_FUNCTION_REG_RESET 0x3F
#define IS31FL3742A_FUNCTION_REG_SPREAD_SPECTRUM 0x41
#define IS31FL3742A_REG_COMMAND_WRITE_LOCK 0xFE
#define IS31FL3742A_COMMAND_WRITE_LOCK_MAGIC 0xC5
#define IS31FL3742A_I2C_ADDRESS_GND 0x30
#define IS31FL3742A_I2C_ADDRESS_SCL 0x31
#define IS31FL3742A_I2C_ADDRESS_SDA 0x32
#define IS31FL3742A_I2C_ADDRESS_VCC 0x33
#if defined(LED_MATRIX_IS31FL3742A)
# define IS31FL3742A_LED_COUNT LED_MATRIX_LED_COUNT
#endif #endif
// Command Registers #if defined(IS31FL3742A_I2C_ADDRESS_4)
#define ISSI_COMMANDREGISTER_WRITELOCK 0xFE # define IS31FL3742A_DRIVER_COUNT 4
#define ISSI_COMMANDREGISTER 0xFD #elif defined(IS31FL3742A_I2C_ADDRESS_3)
#define ISSI_IDREGISTER 0xFC # define IS31FL3742A_DRIVER_COUNT 3
#define ISSI_REGISTER_UNLOCK 0xC5 #elif defined(IS31FL3742A_I2C_ADDRESS_2)
# define IS31FL3742A_DRIVER_COUNT 2
// Response Registers #elif defined(IS31FL3742A_I2C_ADDRESS_1)
#define ISSI_PAGE_PWM 0x00 # define IS31FL3742A_DRIVER_COUNT 1
#define ISSI_PAGE_SCALING 0x02
#define ISSI_PAGE_FUNCTION 0x04
// Registers under Function Register
#define ISSI_REG_CONFIGURATION 0x00
#define ISSI_REG_GLOBALCURRENT 0x01
#define ISSI_REG_PULLDOWNUP 0x02
#define ISSI_REG_SSR 0x41
#define ISSI_REG_RESET 0x3F
#define ISSI_REG_PWM_SET 0x36
// Set defaults for Function Registers
#ifndef ISSI_CONFIGURATION
# define ISSI_CONFIGURATION 0x31
#endif
#ifndef ISSI_GLOBALCURRENT
# define ISSI_GLOBALCURRENT 0xFF
#endif
#ifndef ISSI_PULLDOWNUP
# define ISSI_PULLDOWNUP 0x55
#endif
#ifndef ISSI_PWM_SET
# define ISSI_PWM_SET 0x00
#endif #endif
// Set defaults for Spread Spectrum Register typedef struct is31fl3742a_led_t {
#ifndef ISSI_SSR_1 uint8_t driver : 2;
# define ISSI_SSR_1 0x00 uint8_t v;
#endif } PACKED is31fl3742a_led_t;
#ifndef ISSI_SSR_2
# define ISSI_SSR_2 0x00
#endif
#ifndef ISSI_SSR_3
# define ISSI_SSR_3 0x00
#endif
#ifndef ISSI_SSR_4
# define ISSI_SSR_4 0x00
#endif
// Set defaults for Scaling registers extern const is31fl3742a_led_t PROGMEM g_is31fl3742a_leds[IS31FL3742A_LED_COUNT];
#ifndef ISSI_SCAL_RED
# define ISSI_SCAL_RED 0xFF
#endif
#ifndef ISSI_SCAL_BLUE
# define ISSI_SCAL_BLUE 0xFF
#endif
#ifndef ISSI_SCAL_GREEN
# define ISSI_SCAL_GREEN 0xFF
#endif
#define ISSI_SCAL_RED_OFF 0x00
#define ISSI_SCAL_GREEN_OFF 0x00
#define ISSI_SCAL_BLUE_OFF 0x00
#ifndef ISSI_SCAL_LED void is31fl3742a_init_drivers(void);
# define ISSI_SCAL_LED 0xFF void is31fl3742a_init(uint8_t addr);
#endif void is31fl3742a_write_register(uint8_t addr, uint8_t reg, uint8_t data);
#define ISSI_SCAL_LED_OFF 0x00 void is31fl3742a_select_page(uint8_t addr, uint8_t page);
void is31fl3742a_write_pwm_buffer(uint8_t addr, uint8_t *pwm_buffer);
// Set buffer sizes void is31fl3742a_set_value(int index, uint8_t value);
#define ISSI_MAX_LEDS 180 void is31fl3742a_set_value_all(uint8_t value);
#define ISSI_SCALING_SIZE 180
#define ISSI_PWM_TRF_SIZE 18
#define ISSI_SCALING_TRF_SIZE 18
// Location of 1st bit for PWM and Scaling registers void is31fl3742a_set_scaling_register(uint8_t index, uint8_t value);
#define ISSI_PWM_REG_1ST 0x00
#define ISSI_SCL_REG_1ST 0x00 void is31fl3742a_update_pwm_buffers(uint8_t addr, uint8_t index);
void is31fl3742a_update_scaling_registers(uint8_t addr, uint8_t index);
void is31fl3742a_flush(void);
#define IS31FL3742A_PDR_0_OHM 0b000 // No pull-down resistor
#define IS31FL3742A_PDR_0K5_OHM 0b001 // 0.5 kOhm resistor
#define IS31FL3742A_PDR_1K_OHM 0b010 // 1 kOhm resistor
#define IS31FL3742A_PDR_2K_OHM 0b011 // 2 kOhm resistor
#define IS31FL3742A_PDR_4K_OHM 0b100 // 4 kOhm resistor
#define IS31FL3742A_PDR_8K_OHM 0b101 // 8 kOhm resistor
#define IS31FL3742A_PDR_16K_OHM 0b110 // 16 kOhm resistor
#define IS31FL3742A_PDR_32K_OHM 0b111 // 32 kOhm resistor
#define IS31FL3742A_PUR_0_OHM 0b000 // No pull-up resistor
#define IS31FL3742A_PUR_0K5_OHM 0b001 // 0.5 kOhm resistor
#define IS31FL3742A_PUR_1K_OHM 0b010 // 1 kOhm resistor
#define IS31FL3742A_PUR_2K_OHM 0b011 // 2 kOhm resistor
#define IS31FL3742A_PUR_4K_OHM 0b100 // 4 kOhm resistor
#define IS31FL3742A_PUR_8K_OHM 0b101 // 8 kOhm resistor
#define IS31FL3742A_PUR_16K_OHM 0b110 // 16 kOhm resistor
#define IS31FL3742A_PUR_32K_OHM 0b111 // 32 kOhm resistor
#define IS31FL3742A_PWM_FREQUENCY_29K_HZ 0b0000
#define IS31FL3742A_PWM_FREQUENCY_3K6_HZ 0b0011
#define IS31FL3742A_PWM_FREQUENCY_1K8_HZ 0b0111
#define IS31FL3742A_PWM_FREQUENCY_900_HZ 0b1011
// Map CS SW locations to order in PWM / Scaling buffers
// This matches the ORDER in the Datasheet Register not the POSITION
// It will always count from 0x00 to (ISSI_MAX_LEDS - 1)
#define CS1_SW1 0x00 #define CS1_SW1 0x00
#define CS2_SW1 0x01 #define CS2_SW1 0x01
#define CS3_SW1 0x02 #define CS3_SW1 0x02

210
drivers/led/issi/is31fl3742a.c Normal file
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@ -0,0 +1,210 @@
#include "is31fl3742a.h"
#include <string.h>
#include "i2c_master.h"
#include "wait.h"
#define IS31FL3742A_PWM_REGISTER_COUNT 180
#define IS31FL3742A_SCALING_REGISTER_COUNT 180
#ifndef IS31FL3742A_I2C_TIMEOUT
# define IS31FL3742A_I2C_TIMEOUT 100
#endif
#ifndef IS31FL3742A_I2C_PERSISTENCE
# define IS31FL3742A_I2C_PERSISTENCE 0
#endif
#ifndef IS31FL3742A_CONFIGURATION
# define IS31FL3742A_CONFIGURATION 0x31
#endif
#ifndef IS31FL3742A_PWM_FREQUENCY
# define IS31FL3742A_PWM_FREQUENCY IS31FL3742A_PWM_FREQUENCY_29K_HZ
#endif
#ifndef IS31FL3742A_SW_PULLDOWN
# define IS31FL3742A_SW_PULLDOWN IS31FL3742A_PDR_8K_OHM
#endif
#ifndef IS31FL3742A_CS_PULLUP
# define IS31FL3742A_CS_PULLUP IS31FL3742A_PUR_8K_OHM
#endif
#ifndef IS31FL3742A_GLOBAL_CURRENT
# define IS31FL3742A_GLOBAL_CURRENT 0xFF
#endif
uint8_t i2c_transfer_buffer[20] = {0xFF};
uint8_t g_pwm_buffer[IS31FL3742A_DRIVER_COUNT][IS31FL3742A_PWM_REGISTER_COUNT];
bool g_pwm_buffer_update_required[IS31FL3742A_DRIVER_COUNT] = {false};
bool g_scaling_registers_update_required[IS31FL3742A_DRIVER_COUNT] = {false};
uint8_t g_scaling_registers[IS31FL3742A_DRIVER_COUNT][IS31FL3742A_SCALING_REGISTER_COUNT];
void is31fl3742a_write_register(uint8_t addr, uint8_t reg, uint8_t data) {
i2c_transfer_buffer[0] = reg;
i2c_transfer_buffer[1] = data;
#if IS31FL3742A_I2C_PERSISTENCE > 0
for (uint8_t i = 0; i < IS31FL3742A_I2C_PERSISTENCE; i++) {
if (i2c_transmit(addr << 1, i2c_transfer_buffer, 2, IS31FL3742A_I2C_TIMEOUT) == 0) break;
}
#else
i2c_transmit(addr << 1, i2c_transfer_buffer, 2, IS31FL3742A_I2C_TIMEOUT);
#endif
}
void is31fl3742a_select_page(uint8_t addr, uint8_t page) {
is31fl3742a_write_register(addr, IS31FL3742A_REG_COMMAND_WRITE_LOCK, IS31FL3742A_COMMAND_WRITE_LOCK_MAGIC);
is31fl3742a_write_register(addr, IS31FL3742A_REG_COMMAND, page);
}
void is31fl3742a_write_pwm_buffer(uint8_t addr, uint8_t *pwm_buffer) {
// Assumes page 0 is already selected.
// If any of the transactions fails function returns false.
// Transmit PWM registers in 12 transfers of 16 bytes.
// i2c_transfer_buffer[] is 20 bytes
// Iterate over the pwm_buffer contents at 16 byte intervals.
for (int i = 0; i < IS31FL3742A_PWM_REGISTER_COUNT; i += 16) {
i2c_transfer_buffer[0] = i;
// Copy the data from i to i+15.
// Device will auto-increment register for data after the first byte
// Thus this sets registers 0x00-0x0F, 0x10-0x1F, etc. in one transfer.
memcpy(i2c_transfer_buffer + 1, pwm_buffer + i, 16);
#if IS31FL3742A_I2C_PERSISTENCE > 0
for (uint8_t i = 0; i < IS31FL3742A_I2C_PERSISTENCE; i++) {
if (i2c_transmit(addr << 1, i2c_transfer_buffer, 17, IS31FL3742A_I2C_TIMEOUT) != 0) break;
}
#else
i2c_transmit(addr << 1, i2c_transfer_buffer, 17, IS31FL3742A_I2C_TIMEOUT);
#endif
}
}
void is31fl3742a_init_drivers(void) {
i2c_init();
is31fl3742a_init(IS31FL3742A_I2C_ADDRESS_1);
#if defined(IS31FL3742A_I2C_ADDRESS_2)
is31fl3742a_init(IS31FL3742A_I2C_ADDRESS_2);
# if defined(IS31FL3742A_I2C_ADDRESS_3)
is31fl3742a_init(IS31FL3742A_I2C_ADDRESS_3);
# if defined(IS31FL3742A_I2C_ADDRESS_4)
is31fl3742a_init(IS31FL3742A_I2C_ADDRESS_4);
# endif
# endif
#endif
for (int i = 0; i < IS31FL3742A_LED_COUNT; i++) {
is31fl3742a_set_scaling_register(i, 0xFF, 0xFF, 0xFF);
}
is31fl3742a_update_scaling_registers(IS31FL3742A_I2C_ADDRESS_1, 0);
#if defined(IS31FL3742A_I2C_ADDRESS_2)
is31fl3742a_update_scaling_registers(IS31FL3742A_I2C_ADDRESS_2, 1);
# if defined(IS31FL3742A_I2C_ADDRESS_3)
is31fl3742a_update_scaling_registers(IS31FL3742A_I2C_ADDRESS_3, 2);
# if defined(IS31FL3742A_I2C_ADDRESS_4)
is31fl3742a_update_scaling_registers(IS31FL3742A_I2C_ADDRESS_4, 3);
# endif
# endif
#endif
}
void is31fl3742a_init(uint8_t addr) {
// In order to avoid the LEDs being driven with garbage data
// in the LED driver's PWM registers, shutdown is enabled last.
// Set up the mode and other settings, clear the PWM registers,
// then disable software shutdown.
is31fl3742a_select_page(addr, IS31FL3742A_COMMAND_SCALING);
// Turn off all LEDs.
for (int i = 0; i < IS31FL3742A_SCALING_REGISTER_COUNT; i++) {
is31fl3742a_write_register(addr, i, 0x00);
}
is31fl3742a_select_page(addr, IS31FL3742A_COMMAND_PWM);
for (int i = 0; i < IS31FL3742A_PWM_REGISTER_COUNT; i++) {
is31fl3742a_write_register(addr, i, 0x00);
}
is31fl3742a_select_page(addr, IS31FL3742A_COMMAND_FUNCTION);
is31fl3742a_write_register(addr, IS31FL3742A_FUNCTION_REG_PULLDOWNUP, (IS31FL3742A_SW_PULLDOWN << 4) | IS31FL3742A_CS_PULLUP);
is31fl3742a_write_register(addr, IS31FL3742A_FUNCTION_REG_GLOBAL_CURRENT, IS31FL3742A_GLOBAL_CURRENT);
is31fl3742a_write_register(addr, IS31FL3742A_FUNCTION_REG_PWM_FREQUENCY, (IS31FL3742A_PWM_FREQUENCY & 0b0111));
is31fl3742a_write_register(addr, IS31FL3742A_FUNCTION_REG_CONFIGURATION, IS31FL3742A_CONFIGURATION);
// Wait 10ms to ensure the device has woken up.
wait_ms(10);
}
void is31fl3742a_set_color(int index, uint8_t red, uint8_t green, uint8_t blue) {
is31fl3742a_led_t led;
if (index >= 0 && index < IS31FL3742A_LED_COUNT) {
memcpy_P(&led, (&g_is31fl3742a_leds[index]), sizeof(led));
if (g_pwm_buffer[led.driver][led.r] == red && g_pwm_buffer[led.driver][led.g] == green && g_pwm_buffer[led.driver][led.b] == blue) {
return;
}
g_pwm_buffer[led.driver][led.r] = red;
g_pwm_buffer[led.driver][led.g] = green;
g_pwm_buffer[led.driver][led.b] = blue;
g_pwm_buffer_update_required[led.driver] = true;
}
}
void is31fl3742a_set_color_all(uint8_t red, uint8_t green, uint8_t blue) {
for (int i = 0; i < IS31FL3742A_LED_COUNT; i++) {
is31fl3742a_set_color(i, red, green, blue);
}
}
void is31fl3742a_set_scaling_register(uint8_t index, uint8_t red, uint8_t green, uint8_t blue) {
is31fl3742a_led_t led;
memcpy_P(&led, (&g_is31fl3742a_leds[index]), sizeof(led));
g_scaling_registers[led.driver][led.r] = red;
g_scaling_registers[led.driver][led.g] = green;
g_scaling_registers[led.driver][led.b] = blue;
g_scaling_registers_update_required[led.driver] = true;
}
void is31fl3742a_update_pwm_buffers(uint8_t addr, uint8_t index) {
if (g_pwm_buffer_update_required[index]) {
is31fl3742a_select_page(addr, IS31FL3742A_COMMAND_PWM);
is31fl3742a_write_pwm_buffer(addr, g_pwm_buffer[index]);
g_pwm_buffer_update_required[index] = false;
}
}
void is31fl3742a_update_scaling_registers(uint8_t addr, uint8_t index) {
if (g_scaling_registers_update_required[index]) {
is31fl3742a_select_page(addr, IS31FL3742A_COMMAND_SCALING);
for (int i = 0; i < IS31FL3742A_SCALING_REGISTER_COUNT; i++) {
is31fl3742a_write_register(addr, i, g_scaling_registers[index][i]);
}
g_scaling_registers_update_required[index] = false;
}
}
void is31fl3742a_flush(void) {
is31fl3742a_update_pwm_buffers(IS31FL3742A_I2C_ADDRESS_1, 0);
#if defined(IS31FL3742A_I2C_ADDRESS_2)
is31fl3742a_update_pwm_buffers(IS31FL3742A_I2C_ADDRESS_2, 1);
# if defined(IS31FL3742A_I2C_ADDRESS_3)
is31fl3742a_update_pwm_buffers(IS31FL3742A_I2C_ADDRESS_3, 2);
# if defined(IS31FL3742A_I2C_ADDRESS_4)
is31fl3742a_update_pwm_buffers(IS31FL3742A_I2C_ADDRESS_4, 3);
# endif
# endif
#endif
}

299
drivers/led/issi/is31fl3742a.h Normal file
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@ -0,0 +1,299 @@
/* 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 IS31FL3742A_REG_INTERRUPT_MASK 0xF0
#define IS31FL3742A_REG_INTERRUPT_STATUS 0xF1
#define IS31FL3742A_REG_ID 0xFC
#define IS31FL3742A_REG_COMMAND 0xFD
#define IS31FL3742A_COMMAND_PWM 0x00
#define IS31FL3742A_COMMAND_SCALING 0x02
#define IS31FL3742A_COMMAND_FUNCTION 0x04
#define IS31FL3742A_FUNCTION_REG_CONFIGURATION 0x00
#define IS31FL3742A_FUNCTION_REG_GLOBAL_CURRENT 0x01
#define IS31FL3742A_FUNCTION_REG_PULLDOWNUP 0x02
#define IS31FL3742A_FUNCTION_REG_PWM_FREQUENCY 0x36
#define IS31FL3742A_FUNCTION_REG_RESET 0x3F
#define IS31FL3742A_FUNCTION_REG_SPREAD_SPECTRUM 0x41
#define IS31FL3742A_REG_COMMAND_WRITE_LOCK 0xFE
#define IS31FL3742A_COMMAND_WRITE_LOCK_MAGIC 0xC5
#define IS31FL3742A_I2C_ADDRESS_GND 0x30
#define IS31FL3742A_I2C_ADDRESS_SCL 0x31
#define IS31FL3742A_I2C_ADDRESS_SDA 0x32
#define IS31FL3742A_I2C_ADDRESS_VCC 0x33
#if defined(RGB_MATRIX_IS31FL3742A)
# define IS31FL3742A_LED_COUNT RGB_MATRIX_LED_COUNT
#endif
#if defined(IS31FL3742A_I2C_ADDRESS_4)
# define IS31FL3742A_DRIVER_COUNT 4
#elif defined(IS31FL3742A_I2C_ADDRESS_3)
# define IS31FL3742A_DRIVER_COUNT 3
#elif defined(IS31FL3742A_I2C_ADDRESS_2)
# define IS31FL3742A_DRIVER_COUNT 2
#elif defined(IS31FL3742A_I2C_ADDRESS_1)
# define IS31FL3742A_DRIVER_COUNT 1
#endif
typedef struct is31fl3742a_led_t {
uint8_t driver : 2;
uint8_t r;
uint8_t g;
uint8_t b;
} PACKED is31fl3742a_led_t;
extern const is31fl3742a_led_t PROGMEM g_is31fl3742a_leds[IS31FL3742A_LED_COUNT];
void is31fl3742a_init_drivers(void);
void is31fl3742a_init(uint8_t addr);
void is31fl3742a_write_register(uint8_t addr, uint8_t reg, uint8_t data);
void is31fl3742a_select_page(uint8_t addr, uint8_t page);
void is31fl3742a_write_pwm_buffer(uint8_t addr, uint8_t *pwm_buffer);
void is31fl3742a_set_color(int index, uint8_t red, uint8_t green, uint8_t blue);
void is31fl3742a_set_color_all(uint8_t red, uint8_t green, uint8_t blue);
void is31fl3742a_set_scaling_register(uint8_t index, uint8_t red, uint8_t green, uint8_t blue);
void is31fl3742a_update_pwm_buffers(uint8_t addr, uint8_t index);
void is31fl3742a_update_scaling_registers(uint8_t addr, uint8_t index);
void is31fl3742a_flush(void);
#define IS31FL3742A_PDR_0_OHM 0b000 // No pull-down resistor
#define IS31FL3742A_PDR_0K5_OHM 0b001 // 0.5 kOhm resistor
#define IS31FL3742A_PDR_1K_OHM 0b010 // 1 kOhm resistor
#define IS31FL3742A_PDR_2K_OHM 0b011 // 2 kOhm resistor
#define IS31FL3742A_PDR_4K_OHM 0b100 // 4 kOhm resistor
#define IS31FL3742A_PDR_8K_OHM 0b101 // 8 kOhm resistor
#define IS31FL3742A_PDR_16K_OHM 0b110 // 16 kOhm resistor
#define IS31FL3742A_PDR_32K_OHM 0b111 // 32 kOhm resistor
#define IS31FL3742A_PUR_0_OHM 0b000 // No pull-up resistor
#define IS31FL3742A_PUR_0K5_OHM 0b001 // 0.5 kOhm resistor
#define IS31FL3742A_PUR_1K_OHM 0b010 // 1 kOhm resistor
#define IS31FL3742A_PUR_2K_OHM 0b011 // 2 kOhm resistor
#define IS31FL3742A_PUR_4K_OHM 0b100 // 4 kOhm resistor
#define IS31FL3742A_PUR_8K_OHM 0b101 // 8 kOhm resistor
#define IS31FL3742A_PUR_16K_OHM 0b110 // 16 kOhm resistor
#define IS31FL3742A_PUR_32K_OHM 0b111 // 32 kOhm resistor
#define IS31FL3742A_PWM_FREQUENCY_29K_HZ 0b0000
#define IS31FL3742A_PWM_FREQUENCY_3K6_HZ 0b0011
#define IS31FL3742A_PWM_FREQUENCY_1K8_HZ 0b0111
#define IS31FL3742A_PWM_FREQUENCY_900_HZ 0b1011
#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 CS19_SW1 0x12
#define CS20_SW1 0x13
#define CS21_SW1 0x14
#define CS22_SW1 0x15
#define CS23_SW1 0x16
#define CS24_SW1 0x17
#define CS25_SW1 0x18
#define CS26_SW1 0x19
#define CS27_SW1 0x1A
#define CS28_SW1 0x1B
#define CS29_SW1 0x1C
#define CS30_SW1 0x1D
#define CS1_SW2 0x1E
#define CS2_SW2 0x1F
#define CS3_SW2 0x20
#define CS4_SW2 0x21
#define CS5_SW2 0x22
#define CS6_SW2 0x23
#define CS7_SW2 0x24
#define CS8_SW2 0x25
#define CS9_SW2 0x26
#define CS10_SW2 0x27
#define CS11_SW2 0x28
#define CS12_SW2 0x29
#define CS13_SW2 0x2A
#define CS14_SW2 0x2B
#define CS15_SW2 0x2C
#define CS16_SW2 0x2D
#define CS17_SW2 0x2E
#define CS18_SW2 0x2F
#define CS19_SW2 0x30
#define CS20_SW2 0x31
#define CS21_SW2 0x32
#define CS22_SW2 0x33
#define CS23_SW2 0x34
#define CS24_SW2 0x35
#define CS25_SW2 0x36
#define CS26_SW2 0x37
#define CS27_SW2 0x38
#define CS28_SW2 0x39
#define CS29_SW2 0x3A
#define CS30_SW2 0x3B
#define CS1_SW3 0x3C
#define CS2_SW3 0x3D
#define CS3_SW3 0x3E
#define CS4_SW3 0x3F
#define CS5_SW3 0x40
#define CS6_SW3 0x41
#define CS7_SW3 0x42
#define CS8_SW3 0x43
#define CS9_SW3 0x44
#define CS10_SW3 0x45
#define CS11_SW3 0x46
#define CS12_SW3 0x47
#define CS13_SW3 0x48
#define CS14_SW3 0x49
#define CS15_SW3 0x4A
#define CS16_SW3 0x4B
#define CS17_SW3 0x4C
#define CS18_SW3 0x4D
#define CS19_SW3 0x4E
#define CS20_SW3 0x4F
#define CS21_SW3 0x50
#define CS22_SW3 0x51
#define CS23_SW3 0x52
#define CS24_SW3 0x53
#define CS25_SW3 0x54
#define CS26_SW3 0x55
#define CS27_SW3 0x56
#define CS28_SW3 0x57
#define CS29_SW3 0x58
#define CS30_SW3 0x59
#define CS1_SW4 0x5A
#define CS2_SW4 0x5B
#define CS3_SW4 0x5C
#define CS4_SW4 0x5D
#define CS5_SW4 0x5E
#define CS6_SW4 0x5F
#define CS7_SW4 0x60
#define CS8_SW4 0x61
#define CS9_SW4 0x62
#define CS10_SW4 0x63
#define CS11_SW4 0x64
#define CS12_SW4 0x65
#define CS13_SW4 0x66
#define CS14_SW4 0x67
#define CS15_SW4 0x68
#define CS16_SW4 0x69
#define CS17_SW4 0x6A
#define CS18_SW4 0x6B
#define CS19_SW4 0x6C
#define CS20_SW4 0x6D
#define CS21_SW4 0x6E
#define CS22_SW4 0x6F
#define CS23_SW4 0x70
#define CS24_SW4 0x71
#define CS25_SW4 0x72
#define CS26_SW4 0x73
#define CS27_SW4 0x74
#define CS28_SW4 0x75
#define CS29_SW4 0x76
#define CS30_SW4 0x77
#define CS1_SW5 0x78
#define CS2_SW5 0x79
#define CS3_SW5 0x7A
#define CS4_SW5 0x7B
#define CS5_SW5 0x7C
#define CS6_SW5 0x7D
#define CS7_SW5 0x7E
#define CS8_SW5 0x7F
#define CS9_SW5 0x80
#define CS10_SW5 0x81
#define CS11_SW5 0x82
#define CS12_SW5 0x83
#define CS13_SW5 0x84
#define CS14_SW5 0x85
#define CS15_SW5 0x86
#define CS16_SW5 0x87
#define CS17_SW5 0x88
#define CS18_SW5 0x89
#define CS19_SW5 0x8A
#define CS20_SW5 0x8B
#define CS21_SW5 0x8C
#define CS22_SW5 0x8D
#define CS23_SW5 0x8E
#define CS24_SW5 0x8F
#define CS25_SW5 0x90
#define CS26_SW5 0x91
#define CS27_SW5 0x92
#define CS28_SW5 0x93
#define CS29_SW5 0x94
#define CS30_SW5 0x95
#define CS1_SW6 0x96
#define CS2_SW6 0x97
#define CS3_SW6 0x98
#define CS4_SW6 0x99
#define CS5_SW6 0x9A
#define CS6_SW6 0x9B
#define CS7_SW6 0x9C
#define CS8_SW6 0x9D
#define CS9_SW6 0x9E
#define CS10_SW6 0x9F
#define CS11_SW6 0xA0
#define CS12_SW6 0xA1
#define CS13_SW6 0xA2
#define CS14_SW6 0xA3
#define CS15_SW6 0xA4
#define CS16_SW6 0xA5
#define CS17_SW6 0xA6
#define CS18_SW6 0xA7
#define CS19_SW6 0xA8
#define CS20_SW6 0xA9
#define CS21_SW6 0xAA
#define CS22_SW6 0xAB
#define CS23_SW6 0xAC
#define CS24_SW6 0xAD
#define CS25_SW6 0xAE
#define CS26_SW6 0xAF
#define CS27_SW6 0xB0
#define CS28_SW6 0xB1
#define CS29_SW6 0xB2
#define CS30_SW6 0xB3

4
drivers/led/issi/is31flcommon.h
View File

@ -26,9 +26,7 @@
#include "util.h" #include "util.h"
// Which variant header file to use // Which variant header file to use
#if defined(LED_MATRIX_IS31FL3742A) || defined(RGB_MATRIX_IS31FL3742A) #if defined(LED_MATRIX_IS31FL3743A) || defined(RGB_MATRIX_IS31FL3743A)
# include "is31fl3742.h"
#elif defined(LED_MATRIX_IS31FL3743A) || defined(RGB_MATRIX_IS31FL3743A)
# include "is31fl3743.h" # include "is31fl3743.h"
#elif defined(LED_MATRIX_IS31FL3745) || defined(RGB_MATRIX_IS31FL3745) #elif defined(LED_MATRIX_IS31FL3745) || defined(RGB_MATRIX_IS31FL3745)
# include "is31fl3745.h" # include "is31fl3745.h"

8
quantum/led_matrix/led_matrix_drivers.c
View File

@ -73,6 +73,14 @@ const led_matrix_driver_t led_matrix_driver = {
.set_value_all = is31fl3741_set_value_all, .set_value_all = is31fl3741_set_value_all,
}; };
#elif defined(LED_MATRIX_IS31FL3742A)
const led_matrix_driver_t led_matrix_driver = {
.init = is31fl3742a_init_drivers,
.flush = is31fl3742a_flush,
.set_value = is31fl3742a_set_value,
.set_value_all = is31fl3742a_set_value_all,
};
#elif defined(IS31FLCOMMON) #elif defined(IS31FLCOMMON)
const led_matrix_driver_t led_matrix_driver = { const led_matrix_driver_t led_matrix_driver = {
.init = IS31FL_simple_init_drivers, .init = IS31FL_simple_init_drivers,

2
quantum/led_matrix/led_matrix_drivers.h
View File

@ -17,6 +17,8 @@
# include "is31fl3737-simple.h" # include "is31fl3737-simple.h"
#elif defined(LED_MATRIX_IS31FL3741) #elif defined(LED_MATRIX_IS31FL3741)
# include "is31fl3741-simple.h" # include "is31fl3741-simple.h"
#elif defined(LED_MATRIX_IS31FL3742A)
# include "is31fl3742a-simple.h"
#elif defined(IS31FLCOMMON) #elif defined(IS31FLCOMMON)
# include "is31flcommon.h" # include "is31flcommon.h"
#elif defined(LED_MATRIX_SNLED27351) #elif defined(LED_MATRIX_SNLED27351)

8
quantum/rgb_matrix/rgb_matrix_drivers.c
View File

@ -76,6 +76,14 @@ const rgb_matrix_driver_t rgb_matrix_driver = {
.set_color_all = is31fl3741_set_color_all, .set_color_all = is31fl3741_set_color_all,
}; };
#elif defined(RGB_MATRIX_IS31FL3742A)
const rgb_matrix_driver_t rgb_matrix_driver = {
.init = is31fl3742a_init_drivers,
.flush = is31fl3742a_flush,
.set_color = is31fl3742a_set_color,
.set_color_all = is31fl3742a_set_color_all,
};
#elif defined(IS31FLCOMMON) #elif defined(IS31FLCOMMON)
const rgb_matrix_driver_t rgb_matrix_driver = { const rgb_matrix_driver_t rgb_matrix_driver = {
.init = IS31FL_RGB_init_drivers, .init = IS31FL_RGB_init_drivers,

2
quantum/rgb_matrix/rgb_matrix_drivers.h
View File

@ -19,6 +19,8 @@
# include "is31fl3737.h" # include "is31fl3737.h"
#elif defined(RGB_MATRIX_IS31FL3741) #elif defined(RGB_MATRIX_IS31FL3741)
# include "is31fl3741.h" # include "is31fl3741.h"
#elif defined(RGB_MATRIX_IS31FL3742A)
# include "is31fl3742a.h"
#elif defined(IS31FLCOMMON) #elif defined(IS31FLCOMMON)
# include "is31flcommon.h" # include "is31flcommon.h"
#elif defined(RGB_MATRIX_SNLED27351) #elif defined(RGB_MATRIX_SNLED27351)