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LED drivers: add support for IS31FL3236 (qmk#23264)
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,168 @@ | ||
| // Copyright 2024 QMK | ||
| // SPDX-License-Identifier: GPL-2.0-or-later | ||
|
|
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| #include "is31fl3236-mono.h" | ||
| #include "i2c_master.h" | ||
| #include "gpio.h" | ||
|
|
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| #define IS31FL3236_PWM_REGISTER_COUNT 36 | ||
| #define IS31FL3236_LED_CONTROL_REGISTER_COUNT 36 | ||
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| #ifndef IS31FL3236_I2C_TIMEOUT | ||
| # define IS31FL3236_I2C_TIMEOUT 100 | ||
| #endif | ||
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| #ifndef IS31FL3236_I2C_PERSISTENCE | ||
| # define IS31FL3236_I2C_PERSISTENCE 0 | ||
| #endif | ||
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|
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| #ifndef IS31FL3236_PWM_FREQUENCY | ||
| # define IS31FL3236_PWM_FREQUENCY IS31FL3236_PWM_FREQUENCY_3K_HZ // OFS - IS31FL3236A only | ||
| #endif | ||
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| const uint8_t i2c_addresses[IS31FL3236_DRIVER_COUNT] = { | ||
| IS31FL3236_I2C_ADDRESS_1, | ||
| #ifdef IS31FL3236_I2C_ADDRESS_2 | ||
| IS31FL3236_I2C_ADDRESS_2, | ||
| # ifdef IS31FL3236_I2C_ADDRESS_3 | ||
| IS31FL3236_I2C_ADDRESS_3, | ||
| # ifdef IS31FL3236_I2C_ADDRESS_4 | ||
| IS31FL3236_I2C_ADDRESS_4, | ||
| # endif | ||
| # endif | ||
| #endif | ||
| }; | ||
|
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| typedef struct is31fl3236_driver_t { | ||
| uint8_t pwm_buffer[IS31FL3236_PWM_REGISTER_COUNT]; | ||
| bool pwm_buffer_dirty; | ||
| uint8_t led_control_buffer[IS31FL3236_LED_CONTROL_REGISTER_COUNT]; | ||
| bool led_control_buffer_dirty; | ||
| } PACKED is31fl3236_driver_t; | ||
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| is31fl3236_driver_t driver_buffers[IS31FL3236_DRIVER_COUNT] = {{ | ||
| .pwm_buffer = {0}, | ||
| .pwm_buffer_dirty = false, | ||
| .led_control_buffer = {0}, | ||
| .led_control_buffer_dirty = false, | ||
| }}; | ||
|
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| void is31fl3236_write_register(uint8_t index, uint8_t reg, uint8_t data) { | ||
| #if IS31FL3236_I2C_PERSISTENCE > 0 | ||
| for (uint8_t i = 0; i < IS31FL3236_I2C_PERSISTENCE; i++) { | ||
| if (i2c_write_register(i2c_addresses[index] << 1, reg, &data, 1, IS31FL3236_I2C_TIMEOUT) == I2C_STATUS_SUCCESS) break; | ||
| } | ||
| #else | ||
| i2c_write_register(i2c_addresses[index] << 1, reg, &data, 1, IS31FL3236_I2C_TIMEOUT); | ||
| #endif | ||
| } | ||
|
|
||
| void is31fl3236_write_pwm_buffer(uint8_t index) { | ||
| #if IS31FL3236_I2C_PERSISTENCE > 0 | ||
| for (uint8_t i = 0; i < IS31FL3236_I2C_PERSISTENCE; i++) { | ||
| if (i2c_write_register(i2c_addresses[index] << 1, IS31FL3236_REG_PWM, driver_buffers[index].pwm_buffer, 36, IS31FL3236_I2C_TIMEOUT) == I2C_STATUS_SUCCESS) break; | ||
| } | ||
| #else | ||
| i2c_write_register(i2c_addresses[index] << 1, IS31FL3236_REG_PWM, driver_buffers[index].pwm_buffer, 36, IS31FL3236_I2C_TIMEOUT); | ||
| #endif | ||
| } | ||
|
|
||
| void is31fl3236_init_drivers(void) { | ||
| i2c_init(); | ||
|
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| #if defined(IS31FL3236_SDB_PIN) | ||
| gpio_set_pin_output(IS31FL3236_SDB_PIN); | ||
| gpio_write_pin_high(IS31FL3236_SDB_PIN); | ||
| #endif | ||
|
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| for (uint8_t i = 0; i < IS31FL3236_DRIVER_COUNT; i++) { | ||
| is31fl3236_init(i); | ||
| } | ||
|
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| for (uint8_t i = 0; i < IS31FL3236_LED_COUNT; i++) { | ||
| is31fl3236_set_led_control_register(i, true); | ||
| } | ||
|
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| for (uint8_t i = 0; i < IS31FL3236_DRIVER_COUNT; i++) { | ||
| is31fl3236_update_led_control_registers(i); | ||
| } | ||
| } | ||
|
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| void is31fl3236_init(uint8_t index) { | ||
| // In case we ever want to reinitialize (?) | ||
| is31fl3236_write_register(index, IS31FL3236_REG_RESET, 0x00); | ||
|
|
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| // Turn off software shutdown | ||
| is31fl3236_write_register(index, IS31FL3236_REG_SHUTDOWN, 0x01); | ||
|
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| // Set all PWM values to zero | ||
| for (uint8_t i = 0; i < IS31FL3236_PWM_REGISTER_COUNT; i++) { | ||
| is31fl3236_write_register(index, IS31FL3236_REG_PWM + i, 0x00); | ||
| } | ||
|
|
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| // turn off all LEDs in the LED control register | ||
| for (uint8_t i = 0; i < IS31FL3236_LED_CONTROL_REGISTER_COUNT; i++) { | ||
| is31fl3236_write_register(index, IS31FL3236_REG_LED_CONTROL + i, 0x00); | ||
| } | ||
|
|
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| // Set PWM frequency (IS31FL3236A) | ||
| is31fl3236_write_register(index, IS31FL3236_REG_PWM_FREQUENCY, IS31FL3236_PWM_FREQUENCY); | ||
|
|
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| // Load PWM registers and LED Control register data | ||
| is31fl3236_write_register(index, IS31FL3236_REG_UPDATE, 0x01); | ||
| } | ||
|
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| void is31fl3236_set_value(int index, uint8_t value) { | ||
| is31fl3236_led_t led; | ||
|
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| if (index < IS31FL3236_LED_COUNT) { | ||
| memcpy_P(&led, (&g_is31fl3236_leds[index]), sizeof(led)); | ||
|
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| if (driver_buffers[led.driver].pwm_buffer[led.v] == value) { | ||
| return; | ||
| } | ||
|
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| driver_buffers[led.driver].pwm_buffer[led.v] = value; | ||
| driver_buffers[led.driver].pwm_buffer_dirty = true; | ||
| } | ||
| } | ||
|
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| void is31fl3236_set_value_all(uint8_t value) { | ||
| for (uint8_t i = 0; i < IS31FL3236_LED_COUNT; i++) { | ||
| is31fl3236_set_value(i, value); | ||
| } | ||
| } | ||
|
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| void is31fl3236_set_led_control_register(uint8_t index, bool value) { | ||
| is31fl3236_led_t led; | ||
| memcpy_P(&led, (&g_is31fl3236_leds[index]), sizeof(led)); | ||
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| driver_buffers[led.driver].led_control_buffer[led.v] = value ? 0x01 : 0x00; | ||
| driver_buffers[led.driver].led_control_buffer_dirty = true; | ||
| } | ||
|
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| void is31fl3236_update_pwm_buffers(uint8_t index) { | ||
| if (driver_buffers[index].pwm_buffer_dirty) { | ||
| is31fl3236_write_pwm_buffer(index); | ||
| // Load PWM registers and LED Control register data | ||
| is31fl3236_write_register(index, IS31FL3236_REG_UPDATE, 0x01); | ||
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| driver_buffers[index].pwm_buffer_dirty = false; | ||
| } | ||
| } | ||
|
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| void is31fl3236_update_led_control_registers(uint8_t index) { | ||
| if (driver_buffers[index].led_control_buffer_dirty) { | ||
| for (uint8_t i = 0; i < IS31FL3236_LED_CONTROL_REGISTER_COUNT; i++) { | ||
| is31fl3236_write_register(index, IS31FL3236_REG_LED_CONTROL + i, driver_buffers[index].led_control_buffer[i]); | ||
| } | ||
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| driver_buffers[index].led_control_buffer_dirty = false; | ||
| } | ||
| } | ||
|
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| void is31fl3236_flush(void) { | ||
| for (uint8_t i = 0; i < IS31FL3236_DRIVER_COUNT; i++) { | ||
| is31fl3236_update_pwm_buffers(i); | ||
| } | ||
| } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,101 @@ | ||
| // Copyright 2024 QMK | ||
| // SPDX-License-Identifier: GPL-2.0-or-later | ||
|
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| #pragma once | ||
|
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| #include <stdint.h> | ||
| #include <stdbool.h> | ||
| #include "progmem.h" | ||
| #include "util.h" | ||
|
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| #define IS31FL3236_REG_SHUTDOWN 0x00 | ||
| #define IS31FL3236_REG_PWM 0x01 | ||
| #define IS31FL3236_REG_UPDATE 0x25 | ||
| #define IS31FL3236_REG_LED_CONTROL 0x26 | ||
| #define IS31FL3236_REG_GLOBAL_CONTROL 0x4A | ||
| #define IS31FL3236_REG_PWM_FREQUENCY 0x4B | ||
| #define IS31FL3236_REG_RESET 0x4F | ||
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| #define IS31FL3236_I2C_ADDRESS_GND 0x3C | ||
| #define IS31FL3236_I2C_ADDRESS_SCL 0x3D | ||
| #define IS31FL3236_I2C_ADDRESS_SDA 0x3E | ||
| #define IS31FL3236_I2C_ADDRESS_VCC 0x3F | ||
|
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| #if defined(LED_MATRIX_IS31FL3236) | ||
| # define IS31FL3236_LED_COUNT LED_MATRIX_LED_COUNT | ||
| #endif | ||
|
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| #if defined(IS31FL3236_I2C_ADDRESS_4) | ||
| # define IS31FL3236_DRIVER_COUNT 4 | ||
| #elif defined(IS31FL3236_I2C_ADDRESS_3) | ||
| # define IS31FL3236_DRIVER_COUNT 3 | ||
| #elif defined(IS31FL3236_I2C_ADDRESS_2) | ||
| # define IS31FL3236_DRIVER_COUNT 2 | ||
| #elif defined(IS31FL3236_I2C_ADDRESS_1) | ||
| # define IS31FL3236_DRIVER_COUNT 1 | ||
| #endif | ||
|
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| typedef struct is31fl3236_led_t { | ||
| uint8_t driver : 2; | ||
| uint8_t v; | ||
| } PACKED is31fl3236_led_t; | ||
|
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| extern const is31fl3236_led_t PROGMEM g_is31fl3236_leds[IS31FL3236_LED_COUNT]; | ||
|
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| void is31fl3236_init_drivers(void); | ||
|
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| void is31fl3236_init(uint8_t index); | ||
|
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| void is31fl3236_write_register(uint8_t index, uint8_t reg, uint8_t data); | ||
|
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| void is31fl3236_set_value(int index, uint8_t value); | ||
|
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| void is31fl3236_set_value_all(uint8_t value); | ||
|
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| void is31fl3236_set_led_control_register(uint8_t index, bool value); | ||
|
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| void is31fl3236_update_pwm_buffers(uint8_t index); | ||
|
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| void is31fl3236_update_led_control_registers(uint8_t index); | ||
|
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| void is31fl3236_flush(void); | ||
|
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| #define IS31FL3236_PWM_FREQUENCY_3K_HZ 0b0 | ||
| #define IS31FL3236_PWM_FREQUENCY_22K_HZ 0b1 | ||
|
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||
| #define OUT1 0x00 | ||
| #define OUT2 0x01 | ||
| #define OUT3 0x02 | ||
| #define OUT4 0x03 | ||
| #define OUT5 0x04 | ||
| #define OUT6 0x05 | ||
| #define OUT7 0x06 | ||
| #define OUT8 0x07 | ||
| #define OUT9 0x08 | ||
| #define OUT10 0x09 | ||
| #define OUT11 0x0A | ||
| #define OUT12 0x0B | ||
| #define OUT13 0x0C | ||
| #define OUT14 0x0D | ||
| #define OUT15 0x0E | ||
| #define OUT16 0x0F | ||
| #define OUT17 0x10 | ||
| #define OUT18 0x11 | ||
| #define OUT19 0x12 | ||
| #define OUT20 0x13 | ||
| #define OUT21 0x14 | ||
| #define OUT22 0x15 | ||
| #define OUT23 0x16 | ||
| #define OUT24 0x17 | ||
| #define OUT25 0x18 | ||
| #define OUT26 0x19 | ||
| #define OUT27 0x1A | ||
| #define OUT28 0x1B | ||
| #define OUT29 0x1C | ||
| #define OUT30 0x1D | ||
| #define OUT31 0x1E | ||
| #define OUT32 0x1F | ||
| #define OUT33 0x20 | ||
| #define OUT34 0x21 | ||
| #define OUT35 0x22 | ||
| #define OUT36 0x23 |
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