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/is31fl3737-mono.c | 45 ++++++++++++++++++++++---------------- 1 file changed, 26 insertions(+), 19 deletions(-) (limited to 'drivers/led/issi/is31fl3737-mono.c') diff --git a/drivers/led/issi/is31fl3737-mono.c b/drivers/led/issi/is31fl3737-mono.c index f11358b6a3..11e23acb23 100644 --- a/drivers/led/issi/is31fl3737-mono.c +++ b/drivers/led/issi/is31fl3737-mono.c @@ -67,12 +67,19 @@ const uint8_t i2c_addresses[IS31FL3737_DRIVER_COUNT] = { // We could optimize this and take out the unused registers from these // buffers and the transfers in is31fl3737_write_pwm_buffer() but it's // probably not worth the extra complexity. - -uint8_t g_pwm_buffer[IS31FL3737_DRIVER_COUNT][IS31FL3737_PWM_REGISTER_COUNT]; -bool g_pwm_buffer_update_required[IS31FL3737_DRIVER_COUNT] = {false}; - -uint8_t g_led_control_registers[IS31FL3737_DRIVER_COUNT][IS31FL3737_LED_CONTROL_REGISTER_COUNT] = {0}; -bool g_led_control_registers_update_required[IS31FL3737_DRIVER_COUNT] = {false}; +typedef struct is31fl3737_driver_t { + uint8_t pwm_buffer[IS31FL3737_PWM_REGISTER_COUNT]; + bool pwm_buffer_dirty; + uint8_t led_control_buffer[IS31FL3737_LED_CONTROL_REGISTER_COUNT]; + bool led_control_buffer_dirty; +} PACKED is31fl3737_driver_t; + +is31fl3737_driver_t driver_buffers[IS31FL3737_DRIVER_COUNT] = {{ + .pwm_buffer = {0}, + .pwm_buffer_dirty = false, + .led_control_buffer = {0}, + .led_control_buffer_dirty = false, +}}; void is31fl3737_write_register(uint8_t index, uint8_t reg, uint8_t data) { #if IS31FL3737_I2C_PERSISTENCE > 0 @@ -97,10 +104,10 @@ void is31fl3737_write_pwm_buffer(uint8_t index) { for (uint8_t i = 0; i < IS31FL3737_PWM_REGISTER_COUNT; i += 16) { #if IS31FL3737_I2C_PERSISTENCE > 0 for (uint8_t j = 0; j < IS31FL3737_I2C_PERSISTENCE; j++) { - if (i2c_write_register(i2c_addresses[index] << 1, i, g_pwm_buffer[index] + i, 16, IS31FL3737_I2C_TIMEOUT) == I2C_STATUS_SUCCESS) break; + if (i2c_write_register(i2c_addresses[index] << 1, i, driver_buffers[index].pwm_buffer + i, 16, IS31FL3737_I2C_TIMEOUT) == I2C_STATUS_SUCCESS) break; } #else - i2c_write_register(i2c_addresses[index] << 1, i, g_pwm_buffer[index] + i, 16, IS31FL3737_I2C_TIMEOUT); + i2c_write_register(i2c_addresses[index] << 1, i, driver_buffers[index].pwm_buffer + i, 16, IS31FL3737_I2C_TIMEOUT); #endif } } @@ -163,12 +170,12 @@ void is31fl3737_set_value(int index, uint8_t value) { if (index >= 0 && index < IS31FL3737_LED_COUNT) { memcpy_P(&led, (&g_is31fl3737_leds[index]), sizeof(led)); - if (g_pwm_buffer[led.driver][led.v] == value) { + if (driver_buffers[led.driver].pwm_buffer[led.v] == value) { return; } - g_pwm_buffer[led.driver][led.v] = value; - g_pwm_buffer_update_required[led.driver] = true; + driver_buffers[led.driver].pwm_buffer[led.v] = value; + driver_buffers[led.driver].pwm_buffer_dirty = true; } } @@ -186,33 +193,33 @@ void is31fl3737_set_led_control_register(uint8_t index, bool value) { uint8_t bit_value = led.v % 8; if (value) { - g_led_control_registers[led.driver][control_register] |= (1 << bit_value); + driver_buffers[led.driver].led_control_buffer[control_register] |= (1 << bit_value); } else { - g_led_control_registers[led.driver][control_register] &= ~(1 << bit_value); + driver_buffers[led.driver].led_control_buffer[control_register] &= ~(1 << bit_value); } - g_led_control_registers_update_required[led.driver] = true; + driver_buffers[led.driver].led_control_buffer_dirty = true; } void is31fl3737_update_pwm_buffers(uint8_t index) { - if (g_pwm_buffer_update_required[index]) { + if (driver_buffers[index].pwm_buffer_dirty) { is31fl3737_select_page(index, IS31FL3737_COMMAND_PWM); is31fl3737_write_pwm_buffer(index); - g_pwm_buffer_update_required[index] = false; + driver_buffers[index].pwm_buffer_dirty = false; } } void is31fl3737_update_led_control_registers(uint8_t index) { - if (g_led_control_registers_update_required[index]) { + if (driver_buffers[index].led_control_buffer_dirty) { is31fl3737_select_page(index, IS31FL3737_COMMAND_LED_CONTROL); for (uint8_t i = 0; i < IS31FL3737_LED_CONTROL_REGISTER_COUNT; i++) { - is31fl3737_write_register(index, i, g_led_control_registers[index][i]); + is31fl3737_write_register(index, i, driver_buffers[index].led_control_buffer[i]); } - g_led_control_registers_update_required[index] = false; + driver_buffers[index].led_control_buffer_dirty = false; } } -- cgit v1.2.3