From 66015f164507022e376a15b45f41b58c0fb5ee97 Mon Sep 17 00:00:00 2001 From: Ryan Date: Sat, 10 Feb 2024 18:48:13 +1100 Subject: LED drivers: create structs to hold PWM/scaling buffers (#22955) --- drivers/led/issi/is31fl3746a.c | 50 ++++++++++++++++++++++++------------------ 1 file changed, 29 insertions(+), 21 deletions(-) (limited to 'drivers/led/issi/is31fl3746a.c') diff --git a/drivers/led/issi/is31fl3746a.c b/drivers/led/issi/is31fl3746a.c index b4de9add6f..5cdb560594 100644 --- a/drivers/led/issi/is31fl3746a.c +++ b/drivers/led/issi/is31fl3746a.c @@ -66,11 +66,19 @@ const uint8_t i2c_addresses[IS31FL3746A_DRIVER_COUNT] = { #endif }; -uint8_t g_pwm_buffer[IS31FL3746A_DRIVER_COUNT][IS31FL3746A_PWM_REGISTER_COUNT]; -bool g_pwm_buffer_update_required[IS31FL3746A_DRIVER_COUNT] = {false}; -bool g_scaling_registers_update_required[IS31FL3746A_DRIVER_COUNT] = {false}; - -uint8_t g_scaling_registers[IS31FL3746A_DRIVER_COUNT][IS31FL3746A_SCALING_REGISTER_COUNT]; +typedef struct is31fl3746a_driver_t { + uint8_t pwm_buffer[IS31FL3746A_PWM_REGISTER_COUNT]; + bool pwm_buffer_dirty; + uint8_t scaling_buffer[IS31FL3746A_SCALING_REGISTER_COUNT]; + bool scaling_buffer_dirty; +} PACKED is31fl3746a_driver_t; + +is31fl3746a_driver_t driver_buffers[IS31FL3746A_DRIVER_COUNT] = {{ + .pwm_buffer = {0}, + .pwm_buffer_dirty = false, + .scaling_buffer = {0}, + .scaling_buffer_dirty = false, +}}; void is31fl3746a_write_register(uint8_t index, uint8_t reg, uint8_t data) { #if IS31FL3746A_I2C_PERSISTENCE > 0 @@ -95,10 +103,10 @@ void is31fl3746a_write_pwm_buffer(uint8_t index) { for (uint8_t i = 0; i < IS31FL3746A_PWM_REGISTER_COUNT; i += 18) { #if IS31FL3746A_I2C_PERSISTENCE > 0 for (uint8_t j = 0; j < IS31FL3746A_I2C_PERSISTENCE; j++) { - if (i2c_write_register(i2c_addresses[index] << 1, i + 1, g_pwm_buffer[index] + i, 18, IS31FL3746A_I2C_TIMEOUT) == I2C_STATUS_SUCCESS) break; + if (i2c_write_register(i2c_addresses[index] << 1, i + 1, driver_buffers[index].pwm_buffer + i, 18, IS31FL3746A_I2C_TIMEOUT) == I2C_STATUS_SUCCESS) break; } #else - i2c_write_register(i2c_addresses[index] << 1, i + 1, g_pwm_buffer[index] + i, 18, IS31FL3746A_I2C_TIMEOUT); + i2c_write_register(i2c_addresses[index] << 1, i + 1, driver_buffers[index].pwm_buffer + i, 18, IS31FL3746A_I2C_TIMEOUT); #endif } } @@ -156,14 +164,14 @@ void is31fl3746a_set_color(int index, uint8_t red, uint8_t green, uint8_t blue) if (index >= 0 && index < IS31FL3746A_LED_COUNT) { memcpy_P(&led, (&g_is31fl3746a_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) { + if (driver_buffers[led.driver].pwm_buffer[led.r] == red && driver_buffers[led.driver].pwm_buffer[led.g] == green && driver_buffers[led.driver].pwm_buffer[led.b] == blue) { return; } - g_pwm_buffer_update_required[led.driver] = true; - g_pwm_buffer[led.driver][led.r] = red; - g_pwm_buffer[led.driver][led.g] = green; - g_pwm_buffer[led.driver][led.b] = blue; + driver_buffers[led.driver].pwm_buffer[led.r] = red; + driver_buffers[led.driver].pwm_buffer[led.g] = green; + driver_buffers[led.driver].pwm_buffer[led.b] = blue; + driver_buffers[led.driver].pwm_buffer_dirty = true; } } @@ -177,31 +185,31 @@ void is31fl3746a_set_scaling_register(uint8_t index, uint8_t red, uint8_t green, is31fl3746a_led_t led; memcpy_P(&led, (&g_is31fl3746a_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; + driver_buffers[led.driver].scaling_buffer[led.r] = red; + driver_buffers[led.driver].scaling_buffer[led.g] = green; + driver_buffers[led.driver].scaling_buffer[led.b] = blue; + driver_buffers[led.driver].scaling_buffer_dirty = true; } void is31fl3746a_update_pwm_buffers(uint8_t index) { - if (g_pwm_buffer_update_required[index]) { + if (driver_buffers[index].pwm_buffer_dirty) { is31fl3746a_select_page(index, IS31FL3746A_COMMAND_PWM); is31fl3746a_write_pwm_buffer(index); - g_pwm_buffer_update_required[index] = false; + driver_buffers[index].pwm_buffer_dirty = false; } } void is31fl3746a_update_scaling_registers(uint8_t index) { - if (g_scaling_registers_update_required[index]) { + if (driver_buffers[index].scaling_buffer_dirty) { is31fl3746a_select_page(index, IS31FL3746A_COMMAND_SCALING); for (uint8_t i = 0; i < IS31FL3746A_SCALING_REGISTER_COUNT; i++) { - is31fl3746a_write_register(index, i + 1, g_scaling_registers[index][i]); + is31fl3746a_write_register(index, i + 1, driver_buffers[index].scaling_buffer[i]); } - g_scaling_registers_update_required[index] = false; + driver_buffers[index].scaling_buffer_dirty = false; } } -- cgit v1.2.3