Add RGB matrix & LED Matrix support for IS31FL3729

builddefs/common_features.mk

@@ -340,7 +340,7 @@ LED_MATRIX_DRIVER := snled27351
 endif
 
 LED_MATRIX_ENABLE ?= no
-VALID_LED_MATRIX_TYPES := is31fl3218 is31fl3731 is31fl3733 is31fl3736 is31fl3737 is31fl3741 is31fl3742a is31fl3743a is31fl3745 is31fl3746a snled27351 custom
+VALID_LED_MATRIX_TYPES := is31fl3218 is31fl3729 is31fl3731 is31fl3733 is31fl3736 is31fl3737 is31fl3741 is31fl3742a is31fl3743a is31fl3745 is31fl3746a snled27351 custom
 
 ifeq ($(strip $(LED_MATRIX_ENABLE)), yes)
     ifeq ($(filter $(LED_MATRIX_DRIVER),$(VALID_LED_MATRIX_TYPES)),)
@@ -365,6 +365,12 @@ ifeq ($(strip $(LED_MATRIX_ENABLE)), yes)
         SRC += is31fl3218-mono.c
     endif
 
+    ifeq ($(strip $(LED_MATRIX_DRIVER)), is31fl3729)
+        I2C_DRIVER_REQUIRED = yes
+        COMMON_VPATH += $(DRIVER_PATH)/led/issi
+        SRC += is31fl3729-mono.c
+    endif
+
     ifeq ($(strip $(LED_MATRIX_DRIVER)), is31fl3731)
         I2C_DRIVER_REQUIRED = yes
         COMMON_VPATH += $(DRIVER_PATH)/led/issi
@@ -437,7 +443,7 @@ endif
 
 RGB_MATRIX_ENABLE ?= no
 
-VALID_RGB_MATRIX_TYPES := aw20216s is31fl3218 is31fl3731 is31fl3733 is31fl3736 is31fl3737 is31fl3741 is31fl3742a is31fl3743a is31fl3745 is31fl3746a snled27351 ws2812 custom
+VALID_RGB_MATRIX_TYPES := aw20216s is31fl3218 is31fl3729 is31fl3731 is31fl3733 is31fl3736 is31fl3737 is31fl3741 is31fl3742a is31fl3743a is31fl3745 is31fl3746a snled27351 ws2812 custom
 ifeq ($(strip $(RGB_MATRIX_ENABLE)), yes)
     ifeq ($(filter $(RGB_MATRIX_DRIVER),$(VALID_RGB_MATRIX_TYPES)),)
         $(call CATASTROPHIC_ERROR,Invalid RGB_MATRIX_DRIVER,RGB_MATRIX_DRIVER="$(RGB_MATRIX_DRIVER)" is not a valid matrix type)
@@ -468,6 +474,12 @@ ifeq ($(strip $(RGB_MATRIX_ENABLE)), yes)
         SRC += is31fl3218.c
     endif
 
+    ifeq ($(strip $(RGB_MATRIX_DRIVER)), is31fl3729)
+        I2C_DRIVER_REQUIRED = yes
+        COMMON_VPATH += $(DRIVER_PATH)/led/issi
+        SRC += is31fl3729.c
+    endif
+
     ifeq ($(strip $(RGB_MATRIX_DRIVER)), is31fl3731)
         I2C_DRIVER_REQUIRED = yes
         COMMON_VPATH += $(DRIVER_PATH)/led/issi

docs/reference_info_json.md

@@ -633,7 +633,7 @@ Configures the [RGB Matrix](feature_rgb_matrix.md) feature.
             * The default animation speed.
             * Default: `128`
     * `driver` (Required)
-        * The driver to use. Must be one of `aw20216s`, `custom`, `is31fl3218`, `is31fl3731`, `is31fl3733`, `is31fl3736`, `is31fl3737`, `is31fl3741`, `is31fl3742a`, `is31fl3743a`, `is31fl3745`, `is31fl3746a`, `snled27351`, `ws2812`.
+        * The driver to use. Must be one of `aw20216s`, `custom`, `is31fl3218`, `is31fl3729`, `is31fl3731`, `is31fl3733`, `is31fl3736`, `is31fl3737`, `is31fl3741`, `is31fl3742a`, `is31fl3743a`, `is31fl3745`, `is31fl3746a`, `snled27351`, `ws2812`.
     * `hue_steps`
         * The number of hue adjustment steps.
         * Default: `8`

drivers/led/issi/is31fl3729-mono.c

@@ -0,0 +1,213 @@
+/* Copyright 2024 HorrorTroll <https://github.com/HorrorTroll>
+ * Copyright 2024 Harrison Chan (Xelus)
+ * Copyright 2024 Dimitris Mantzouranis <d3xter93@gmail.com>
+ *
+ * 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 "is31fl3729-mono.h"
+#include "i2c_master.h"
+#include "wait.h"
+
+#define IS31FL3729_PWM_REGISTER_COUNT 143
+#define IS31FL3729_SCALING_REGISTER_COUNT 16
+
+#ifndef IS31FL3729_I2C_TIMEOUT
+#    define IS31FL3729_I2C_TIMEOUT 100
+#endif
+
+#ifndef IS31FL3729_I2C_PERSISTENCE
+#    define IS31FL3729_I2C_PERSISTENCE 0
+#endif
+
+#ifndef IS31FL3729_CONFIGURATION
+#    define IS31FL3729_CONFIGURATION IS31FL3729_CONFIG_SWS_15_9
+#endif
+
+#ifndef IS31FL3729_GLOBAL_CURRENT
+#    define IS31FL3729_GLOBAL_CURRENT 0x40
+#endif
+
+#ifndef IS31FL3729_PULLDOWNUP
+#    define IS31FL3729_PULLDOWNUP 0x33
+#endif
+
+#ifndef IS31FL3729_SPREAD_SPECTRUM
+#    define IS31FL3729_SPREAD_SPECTRUM IS31FL3729_SSP_DISABLE
+#endif
+
+#ifndef IS31FL3729_SPREAD_SPECTRUM_RANGE
+#    define IS31FL3729_SPREAD_SPECTRUM_RANGE IS31FL3729_RNG_5_PERCENT
+#endif
+
+#ifndef IS31FL3729_SPREAD_SPECTRUM_CYCLE_TIME
+#    define IS31FL3729_SPREAD_SPECTRUM_CYCLE_TIME IS31FL3729_CLT_1980_US
+#endif
+
+#ifndef IS31FL3729_PWM_FREQUENCY
+#    define IS31FL3729_PWM_FREQUENCY IS31FL3729_PWM_FREQUENCY_32K_HZ
+#endif
+
+// These buffers match the PWM & scaling registers.
+// Storing them like this is optimal for I2C transfers to the registers.
+uint8_t g_pwm_buffer[IS31FL3729_DRIVER_COUNT][IS31FL3729_PWM_REGISTER_COUNT];
+bool    g_pwm_buffer_update_required[IS31FL3729_DRIVER_COUNT] = {false};
+
+uint8_t g_scaling_registers[IS31FL3729_DRIVER_COUNT][IS31FL3729_SCALING_REGISTER_COUNT];
+bool    g_scaling_registers_update_required[IS31FL3729_DRIVER_COUNT] = {false};
+
+void is31fl3729_write_register(uint8_t addr, uint8_t reg, uint8_t data) {
+#if IS31FL3729_I2C_PERSISTENCE > 0
+    for (uint8_t i = 0; i < IS31FL3729_I2C_PERSISTENCE; i++) {
+        if (i2c_write_register(addr << 1, reg, &data, 1, IS31FL3729_I2C_TIMEOUT) == I2C_STATUS_SUCCESS) break;
+    }
+#else
+    i2c_write_register(addr << 1, reg, &data, 1, IS31FL3729_I2C_TIMEOUT);
+#endif
+}
+
+void is31fl3729_write_pwm_buffer(uint8_t addr, uint8_t index) {
+    // Transmit PWM registers in 9 transfers of 16 bytes.
+
+    // Iterate over the pwm_buffer contents at 16 byte intervals.
+    for (uint8_t i = 0; i <= IS31FL3729_PWM_REGISTER_COUNT; i += 16) {
+#if IS31FL3729_I2C_PERSISTENCE > 0
+        for (uint8_t j = 0; j < IS31FL3729_I2C_PERSISTENCE; j++) {
+            if (i2c_write_register(addr << 1, i, g_pwm_buffer[index] + i, 16, IS31FL3729_I2C_TIMEOUT) == I2C_STATUS_SUCCESS) break;
+        }
+#else
+        i2c_write_register(addr << 1, i, g_pwm_buffer[index] + i, 16, IS31FL3729_I2C_TIMEOUT);
+#endif
+    }
+}
+
+void is31fl3729_init_drivers(void) {
+    i2c_init();
+
+    is31fl3729_init(IS31FL3729_I2C_ADDRESS_1);
+#if defined(IS31FL3729_I2C_ADDRESS_2)
+    is31fl3729_init(IS31FL3729_I2C_ADDRESS_2);
+#    if defined(IS31FL3729_I2C_ADDRESS_3)
+    is31fl3729_init(IS31FL3729_I2C_ADDRESS_3);
+#        if defined(IS31FL3729_I2C_ADDRESS_4)
+    is31fl3729_init(IS31FL3729_I2C_ADDRESS_4);
+#        endif
+#    endif
+#endif
+
+    for (int i = 0; i < IS31FL3729_LED_COUNT; i++) {
+        is31fl3729_set_scaling_register(i, 0xFF);
+    }
+
+    is31fl3729_update_scaling_registers(IS31FL3729_I2C_ADDRESS_1, 0);
+#if defined(IS31FL3729_I2C_ADDRESS_2)
+    is31fl3729_update_scaling_registers(IS31FL3729_I2C_ADDRESS_2, 1);
+#    if defined(IS31FL3729_I2C_ADDRESS_3)
+    is31fl3729_update_scaling_registers(IS31FL3729_I2C_ADDRESS_3, 2);
+#        if defined(IS31FL3729_I2C_ADDRESS_4)
+    is31fl3729_update_scaling_registers(IS31FL3729_I2C_ADDRESS_4, 3);
+#        endif
+#    endif
+#endif
+}
+
+void is31fl3729_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.
+
+    // Set Pull up & Down for SWx CSy
+    is31fl3729_write_register(addr, IS31FL3729_REG_PULLDOWNUP, IS31FL3729_PULLDOWNUP);
+
+    // Set Spread Spectrum Register if applicable
+    is31fl3729_write_register(addr, IS31FL3729_REG_SPREAD_SPECTRUM, ((IS31FL3729_SPREAD_SPECTRUM & 0b1) << 4) | ((IS31FL3729_SPREAD_SPECTRUM_RANGE & 0b11) << 2) | (IS31FL3729_SPREAD_SPECTRUM_CYCLE_TIME & 0b11));
+
+    // Set PWM Frequency Register if applicable
+    is31fl3729_write_register(addr, IS31FL3729_REG_PWM_FREQUENCY, IS31FL3729_PWM_FREQUENCY);
+
+    // Set Golbal Current Control Register
+    is31fl3729_write_register(addr, IS31FL3729_REG_GLOBAL_CURRENT, IS31FL3729_GLOBAL_CURRENT);
+
+    // Set to Normal operation
+    is31fl3729_write_register(addr, IS31FL3729_REG_CONFIGURATION, IS31FL3729_CONFIGURATION);
+
+    // Wait 10ms to ensure the device has woken up.
+    wait_ms(10);
+}
+
+void is31fl3729_set_value(int index, uint8_t value) {
+    is31fl3729_led_t led;
+    if (index >= 0 && index < IS31FL3729_LED_COUNT) {
+        memcpy_P(&led, (&g_is31fl3729_leds[index]), sizeof(led));
+
+        if (g_pwm_buffer[led.driver][led.v] == value) {
+            return;
+        }
+
+        g_pwm_buffer_update_required[led.driver] = true;
+        g_pwm_buffer[led.driver][led.v]          = value;
+    }
+}
+
+void is31fl3729_set_value_all(uint8_t value) {
+    for (int i = 0; i < IS31FL3729_LED_COUNT; i++) {
+        is31fl3729_set_value(i, value);
+    }
+}
+
+void is31fl3729_set_scaling_register(uint8_t index, uint8_t value) {
+    is31fl3729_led_t led;
+    memcpy_P(&led, (&g_is31fl3729_leds[index]), sizeof(led));
+
+    // need to do a bit of checking here since 3729 scaling is per CS pin.
+    // not the usual per single LED key as per other ISSI drivers
+    // only enable them, since they should be default disabled
+    int cs_value = (led.v & 0x0F) - 1;
+
+    g_scaling_registers[led.driver][cs_value] = value;
+
+    g_scaling_registers_update_required[led.driver] = true;
+}
+
+void is31fl3729_update_pwm_buffers(uint8_t addr, uint8_t index) {
+    if (g_pwm_buffer_update_required[index]) {
+        is31fl3729_write_pwm_buffer(addr, index);
+
+        g_pwm_buffer_update_required[index] = false;
+    }
+}
+
+void is31fl3729_update_scaling_registers(uint8_t addr, uint8_t index) {
+    if (g_scaling_registers_update_required[index]) {
+        for (uint8_t i = 0; i < IS31FL3729_SCALING_REGISTER_COUNT; i++) {
+            is31fl3729_write_register(addr, IS31FL3729_REG_SCALING + i, g_scaling_registers[index][i]);
+        }
+
+        g_scaling_registers_update_required[index] = false;
+    }
+}
+
+void is31fl3729_flush(void) {
+    is31fl3729_update_pwm_buffers(IS31FL3729_I2C_ADDRESS_1, 0);
+#if defined(IS31FL3729_I2C_ADDRESS_2)
+    is31fl3729_update_pwm_buffers(IS31FL3729_I2C_ADDRESS_2, 1);
+#    if defined(IS31FL3729_I2C_ADDRESS_3)
+    is31fl3729_update_pwm_buffers(IS31FL3729_I2C_ADDRESS_3, 2);
+#        if defined(IS31FL3729_I2C_ADDRESS_4)
+    is31fl3729_update_pwm_buffers(IS31FL3729_I2C_ADDRESS_4, 3);
+#        endif
+#    endif
+#endif
+}