diff options
Diffstat (limited to 'drivers/led/issi/is31fl3218-mono.c')
| -rw-r--r-- | drivers/led/issi/is31fl3218-mono.c | 44 |
1 files changed, 26 insertions, 18 deletions
diff --git a/drivers/led/issi/is31fl3218-mono.c b/drivers/led/issi/is31fl3218-mono.c index 1c5e4c055c..5d3c22d7d9 100644 --- a/drivers/led/issi/is31fl3218-mono.c +++ b/drivers/led/issi/is31fl3218-mono.c @@ -28,12 +28,20 @@ # define IS31FL3218_I2C_PERSISTENCE 0 #endif -// IS31FL3218 has 18 PWM outputs and a fixed I2C address, so no chaining. -uint8_t g_pwm_buffer[IS31FL3218_PWM_REGISTER_COUNT]; -bool g_pwm_buffer_update_required = false; +typedef struct is31fl3218_driver_t { + uint8_t pwm_buffer[IS31FL3218_PWM_REGISTER_COUNT]; + bool pwm_buffer_dirty; + uint8_t led_control_buffer[IS31FL3218_LED_CONTROL_REGISTER_COUNT]; + bool led_control_buffer_dirty; +} PACKED is31fl3218_driver_t; -uint8_t g_led_control_registers[IS31FL3218_LED_CONTROL_REGISTER_COUNT] = {0}; -bool g_led_control_registers_update_required = false; +// IS31FL3218 has 18 PWM outputs and a fixed I2C address, so no chaining. +is31fl3218_driver_t driver_buffers = { + .pwm_buffer = {0}, + .pwm_buffer_dirty = false, + .led_control_buffer = {0}, + .led_control_buffer_dirty = false, +}; void is31fl3218_write_register(uint8_t reg, uint8_t data) { #if IS31FL3218_I2C_PERSISTENCE > 0 @@ -48,10 +56,10 @@ void is31fl3218_write_register(uint8_t reg, uint8_t data) { void is31fl3218_write_pwm_buffer(void) { #if IS31FL3218_I2C_PERSISTENCE > 0 for (uint8_t i = 0; i < IS31FL3218_I2C_PERSISTENCE; i++) { - if (i2c_write_register(IS31FL3218_I2C_ADDRESS << 1, IS31FL3218_REG_PWM, g_pwm_buffer, 18, IS31FL3218_I2C_TIMEOUT) == I2C_STATUS_SUCCESS) break; + if (i2c_write_register(IS31FL3218_I2C_ADDRESS << 1, IS31FL3218_REG_PWM, driver_buffers.pwm_buffer, 18, IS31FL3218_I2C_TIMEOUT) == I2C_STATUS_SUCCESS) break; } #else - i2c_write_register(IS31FL3218_I2C_ADDRESS << 1, IS31FL3218_REG_PWM, g_pwm_buffer, 18, IS31FL3218_I2C_TIMEOUT); + i2c_write_register(IS31FL3218_I2C_ADDRESS << 1, IS31FL3218_REG_PWM, driver_buffers.pwm_buffer, 18, IS31FL3218_I2C_TIMEOUT); #endif } @@ -90,12 +98,12 @@ void is31fl3218_set_value(int index, uint8_t value) { if (index >= 0 && index < IS31FL3218_LED_COUNT) { memcpy_P(&led, (&g_is31fl3218_leds[index]), sizeof(led)); - if (g_pwm_buffer[led.v] == value) { + if (driver_buffers.pwm_buffer[led.v] == value) { return; } - g_pwm_buffer[led.v] = value; - g_pwm_buffer_update_required = true; + driver_buffers.pwm_buffer[led.v] = value; + driver_buffers.pwm_buffer_dirty = true; } } @@ -113,30 +121,30 @@ void is31fl3218_set_led_control_register(uint8_t index, bool value) { uint8_t bit_value = led.v % 6; if (value) { - g_led_control_registers[control_register] |= (1 << bit_value); + driver_buffers.led_control_buffer[control_register] |= (1 << bit_value); } else { - g_led_control_registers[control_register] &= ~(1 << bit_value); + driver_buffers.led_control_buffer[control_register] &= ~(1 << bit_value); } - g_led_control_registers_update_required = true; + driver_buffers.led_control_buffer_dirty = true; } void is31fl3218_update_pwm_buffers(void) { - if (g_pwm_buffer_update_required) { + if (driver_buffers.pwm_buffer_dirty) { is31fl3218_write_pwm_buffer(); // Load PWM registers and LED Control register data is31fl3218_write_register(IS31FL3218_REG_UPDATE, 0x01); - g_pwm_buffer_update_required = false; + driver_buffers.pwm_buffer_dirty = false; } } void is31fl3218_update_led_control_registers(void) { - if (g_led_control_registers_update_required) { + if (driver_buffers.led_control_buffer_dirty) { for (uint8_t i = 0; i < IS31FL3218_LED_CONTROL_REGISTER_COUNT; i++) { - is31fl3218_write_register(IS31FL3218_REG_LED_CONTROL_1 + i, g_led_control_registers[i]); + is31fl3218_write_register(IS31FL3218_REG_LED_CONTROL_1 + i, driver_buffers.led_control_buffer[i]); } - g_led_control_registers_update_required = false; + driver_buffers.led_control_buffer_dirty = false; } } |