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is31fl3218: Add LED Matrix support (#22126)

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Co-authored-by: Joel Challis <git@zvecr.com>
This commit is contained in:
Ryan 2023-09-27 14:37:06 +10:00 • committed by GitHub
commit 288c2313fe
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6 changed files with 243 additions and 11 deletions
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9
builddefs/common_features.mk
View file

@ -354,7 +354,7 @@ LED_MATRIX_DRIVER := aw20216s
endif
LED_MATRIX_ENABLE ?= no
VALID_LED_MATRIX_TYPES := is31fl3731 is31fl3736 is31fl3742a is31fl3743a is31fl3745 is31fl3746a ckled2001 custom
VALID_LED_MATRIX_TYPES := is31fl3218 is31fl3731 is31fl3736 is31fl3742a is31fl3743a is31fl3745 is31fl3746a ckled2001 custom
# TODO: is31fl3733 is31fl3737 is31fl3741
ifeq ($(strip $(LED_MATRIX_ENABLE)), yes)
@ -377,6 +377,13 @@ endif
SRC += $(LIB_PATH)/lib8tion/lib8tion.c
CIE1931_CURVE := yes
ifeq ($(strip $(LED_MATRIX_DRIVER)), is31fl3218)
OPT_DEFS += -DHAL_USE_I2C=TRUE
COMMON_VPATH += $(DRIVER_PATH)/led/issi
SRC += is31fl3218-simple.c
QUANTUM_LIB_SRC += i2c_master.c
endif
ifeq ($(strip $(LED_MATRIX_DRIVER)), is31fl3731)
OPT_DEFS += -DHAL_USE_I2C=TRUE
COMMON_VPATH += $(DRIVER_PATH)/led/issi

2
docs/reference_info_json.md
View file

@ -329,7 +329,7 @@ Configures the [LED Matrix](feature_led_matrix.md) feature.
* The centroid (geometric center) of the LEDs. Used for certain effects.
* Default: `[112, 32]`
* `driver` (Required)
* The driver to use. Must be one of `ckled2001`, `custom`, `is31fl3731`, `is31fl3736`, `is31fl3742a`, `is31fl3743a`, `is31fl3745`, `is31fl3746a`.
* The driver to use. Must be one of `ckled2001`, `custom`, `is31fl3218`, `is31fl3731`, `is31fl3736`, `is31fl3742a`, `is31fl3743a`, `is31fl3745`, `is31fl3746a`.
* `layout` (Required)
* List of LED configuration dictionaries. Each dictionary contains:
* `flags` (Required)

143
drivers/led/issi/is31fl3218-simple.c Normal file
View file

@ -0,0 +1,143 @@
/* Copyright 2018 Jason Williams (Wilba)
*
* 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/>.
*/
#include "is31fl3218.h"
#include <string.h>
#include "i2c_master.h"
// These are the register addresses
#define IS31FL3218_REG_SHUTDOWN 0x00
#define IS31FL3218_REG_PWM 0x01
#define IS31FL3218_REG_CONTROL 0x13
#define IS31FL3218_REG_UPDATE 0x16
#define IS31FL3218_REG_RESET 0x17
#ifndef IS31FL3218_I2C_TIMEOUT
# define IS31FL3218_I2C_TIMEOUT 100
#endif
#ifndef IS31FL3218_I2C_PERSISTENCE
# define IS31FL3218_I2C_PERSISTENCE 0
#endif
// Reusable buffer for transfers
uint8_t g_twi_transfer_buffer[20];
// IS31FL3218 has 18 PWM outputs and a fixed I2C address, so no chaining.
uint8_t g_pwm_buffer[18];
bool g_pwm_buffer_update_required = false;
uint8_t g_led_control_registers[3] = {0};
bool g_led_control_registers_update_required = false;
void is31fl3218_write_register(uint8_t reg, uint8_t data) {
g_twi_transfer_buffer[0] = reg;
g_twi_transfer_buffer[1] = data;
#if IS31FL3218_I2C_PERSISTENCE > 0
for (uint8_t i = 0; i < IS31FL3218_I2C_PERSISTENCE; i++) {
if (i2c_transmit(IS31FL3218_I2C_ADDRESS << 1, g_twi_transfer_buffer, 2, IS31FL3218_I2C_TIMEOUT) == 0) break;
}
#else
i2c_transmit(IS31FL3218_I2C_ADDRESS << 1, g_twi_transfer_buffer, 2, IS31FL3218_I2C_TIMEOUT);
#endif
}
void is31fl3218_write_pwm_buffer(uint8_t *pwm_buffer) {
g_twi_transfer_buffer[0] = IS31FL3218_REG_PWM;
memcpy(g_twi_transfer_buffer + 1, pwm_buffer, 18);
#if IS31FL3218_I2C_PERSISTENCE > 0
for (uint8_t i = 0; i < IS31FL3218_I2C_PERSISTENCE; i++) {
i2c_transmit(IS31FL3218_I2C_ADDRESS << 1, g_twi_transfer_buffer, 19, IS31FL3218_I2C_TIMEOUT);
}
#else
i2c_transmit(IS31FL3218_I2C_ADDRESS << 1, g_twi_transfer_buffer, 19, IS31FL3218_I2C_TIMEOUT);
#endif
}
void is31fl3218_init(void) {
// In case we ever want to reinitialize (?)
is31fl3218_write_register(IS31FL3218_REG_RESET, 0x00);
// Turn off software shutdown
is31fl3218_write_register(IS31FL3218_REG_SHUTDOWN, 0x01);
// Set all PWM values to zero
for (uint8_t i = 0; i < 18; i++) {
is31fl3218_write_register(IS31FL3218_REG_PWM + i, 0x00);
}
// turn off all LEDs in the LED control register
for (uint8_t i = 0; i < 3; i++) {
is31fl3218_write_register(IS31FL3218_REG_CONTROL + i, 0x00);
}
// Load PWM registers and LED Control register data
is31fl3218_write_register(IS31FL3218_REG_UPDATE, 0x01);
}
void is31fl3218_set_value(int index, uint8_t value) {
is31fl3218_led_t led;
if (index >= 0 && index < LED_MATRIX_LED_COUNT) {
memcpy_P(&led, (&g_is31fl3218_leds[index]), sizeof(led));
}
if (g_pwm_buffer[led.v - IS31FL3218_REG_PWM] == value) {
return;
}
g_pwm_buffer[led.v - IS31FL3218_REG_PWM] = value;
g_pwm_buffer_update_required = true;
}
void is31fl3218_set_value_all(uint8_t value) {
for (int i = 0; i < LED_MATRIX_LED_COUNT; i++) {
is31fl3218_set_value(i, value);
}
}
void is31fl3218_set_led_control_register(uint8_t index, bool value) {
is31fl3218_led_t led;
memcpy_P(&led, (&g_is31fl3218_leds[index]), sizeof(led));
uint8_t control_register = (led.v - IS31FL3218_REG_PWM) / 6;
uint8_t bit_value = (led.v - IS31FL3218_REG_PWM) % 6;
if (value) {
g_led_control_registers[control_register] |= (1 << bit_value);
} else {
g_led_control_registers[control_register] &= ~(1 << bit_value);
}
g_led_control_registers_update_required = true;
}
void is31fl3218_update_pwm_buffers(void) {
if (g_pwm_buffer_update_required) {
is31fl3218_write_pwm_buffer(g_pwm_buffer);
// Load PWM registers and LED Control register data
is31fl3218_write_register(IS31FL3218_REG_UPDATE, 0x01);
g_pwm_buffer_update_required = false;
}
}
void is31fl3218_update_led_control_registers(void) {
if (g_led_control_registers_update_required) {
for (int i = 0; i < 3; i++) {
is31fl3218_write_register(IS31FL3218_REG_CONTROL + i, g_led_control_registers[i]);
}
g_led_control_registers_update_required = false;
}
}

60
drivers/led/issi/is31fl3218-simple.h Normal file
View file

@ -0,0 +1,60 @@
/* Copyright 2018 Jason Williams (Wilba)
*
* 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"
#define IS31FL3218_I2C_ADDRESS 0x54
typedef struct is31fl3218_led_t {
uint8_t v;
} __attribute__((packed)) is31fl3218_led_t;
extern const is31fl3218_led_t PROGMEM g_is31fl3218_leds[LED_MATRIX_LED_COUNT];
void is31fl3218_init(void);
void is31fl3218_set_value(int index, uint8_t value);
void is31fl3218_set_value_all(uint8_t value);
void is31fl3218_set_led_control_register(uint8_t index, bool value);
void is31fl3218_update_pwm_buffers(void);
void is31fl3218_update_led_control_registers(void);
#define OUT1 0x01
#define OUT2 0x02
#define OUT3 0x03
#define OUT4 0x04
#define OUT5 0x05
#define OUT6 0x06
#define OUT7 0x07
#define OUT8 0x08
#define OUT9 0x09
#define OUT10 0x0A
#define OUT11 0x0B
#define OUT12 0x0C
#define OUT13 0x0D
#define OUT14 0x0E
#define OUT15 0x0F
#define OUT16 0x10
#define OUT17 0x11
#define OUT18 0x12

4
quantum/led_matrix/led_matrix.h
View file

@ -25,7 +25,9 @@
#include "led_matrix_types.h"
#include "keyboard.h"
#ifdef LED_MATRIX_IS31FL3731
#if defined(LED_MATRIX_IS31FL3218)
# include "is31fl3218-simple.h"
#elif defined(LED_MATRIX_IS31FL3731)
# include "is31fl3731-simple.h"
#endif
#ifdef LED_MATRIX_IS31FL3733

36
quantum/led_matrix/led_matrix_drivers.c
View file

@ -25,13 +25,16 @@
* in their own files.
*/
#if defined(LED_MATRIX_IS31FL3731) || defined(LED_MATRIX_IS31FL3733) || defined(LED_MATRIX_IS31FL3736) || defined(IS31FLCOMMON) || defined(LED_MATRIX_CKLED2001)
#if defined(LED_MATRIX_IS31FL3218) || defined(LED_MATRIX_IS31FL3731) || defined(LED_MATRIX_IS31FL3733) || defined(LED_MATRIX_IS31FL3736) || defined(IS31FLCOMMON) || defined(LED_MATRIX_CKLED2001)
# include "i2c_master.h"
static void init(void) {
i2c_init();
# if defined(LED_MATRIX_IS31FL3731)
# if defined(LED_MATRIX_IS31FL3218)
is31fl3218_init();
# elif defined(LED_MATRIX_IS31FL3731)
is31fl3731_init(LED_DRIVER_ADDR_1);
# if defined(LED_DRIVER_ADDR_2)
is31fl3731_init(LED_DRIVER_ADDR_2);
@ -109,7 +112,9 @@ static void init(void) {
# endif
for (int index = 0; index < LED_MATRIX_LED_COUNT; index++) {
# if defined(LED_MATRIX_IS31FL3731)
# if defined(LED_MATRIX_IS31FL3218)
is31fl3218_set_led_control_register(index, true);
# elif defined(LED_MATRIX_IS31FL3731)
is31fl3731_set_led_control_register(index, true);
# elif defined(LED_MATRIX_IS31FL3733)
is31fl3733_set_led_control_register(index, true);
@ -123,7 +128,10 @@ static void init(void) {
}
// This actually updates the LED drivers
# if defined(LED_MATRIX_IS31FL3731)
# if defined(LED_MATRIX_IS31FL3218)
is31fl3218_update_led_control_registers();
# elif defined(LED_MATRIX_IS31FL3731)
is31fl3731_update_led_control_registers(LED_DRIVER_ADDR_1, 0);
# if defined(LED_DRIVER_ADDR_2)
is31fl3731_update_led_control_registers(LED_DRIVER_ADDR_2, 1);
@ -187,7 +195,19 @@ static void init(void) {
# endif
}
# if defined(LED_MATRIX_IS31FL3731)
# if defined(LED_MATRIX_IS31FL3218)
static void flush(void) {
is31fl3218_update_pwm_buffers();
}
const led_matrix_driver_t led_matrix_driver = {
.init = init,
.flush = flush,
.set_value = is31fl3218_set_value,
.set_value_all = is31fl3218_set_value_all,
};
# elif defined(LED_MATRIX_IS31FL3731)
static void flush(void) {
is31fl3731_update_pwm_buffers(LED_DRIVER_ADDR_1, 0);
# if defined(LED_DRIVER_ADDR_2)
@ -202,9 +222,9 @@ static void flush(void) {
}
const led_matrix_driver_t led_matrix_driver = {
.init = init,
.flush = flush,
.set_value = is31fl3731_set_value,
.init = init,
.flush = flush,
.set_value = is31fl3731_set_value,
.set_value_all = is31fl3731_set_value_all,
};