diff options
Diffstat (limited to 'drivers/led/ckled2001-simple.c')
-rw-r--r-- | drivers/led/ckled2001-simple.c | 79 |
1 files changed, 41 insertions, 38 deletions
diff --git a/drivers/led/ckled2001-simple.c b/drivers/led/ckled2001-simple.c index 6c4ffd398e..c4d4c0a4cc 100644 --- a/drivers/led/ckled2001-simple.c +++ b/drivers/led/ckled2001-simple.c @@ -42,7 +42,7 @@ uint8_t g_twi_transfer_buffer[20]; // The control buffers match the PG0 LED On/Off registers. // Storing them like this is optimal for I2C transfers to the registers. // We could optimize this and take out the unused registers from these -// buffers and the transfers in CKLED2001_write_pwm_buffer() but it's +// buffers and the transfers in ckled2001_write_pwm_buffer() but it's // probably not worth the extra complexity. uint8_t g_pwm_buffer[DRIVER_COUNT][192]; bool g_pwm_buffer_update_required[DRIVER_COUNT] = {false}; @@ -50,7 +50,7 @@ bool g_pwm_buffer_update_required[DRIVER_COUNT] = {false}; uint8_t g_led_control_registers[DRIVER_COUNT][24] = {0}; bool g_led_control_registers_update_required[DRIVER_COUNT] = {false}; -bool CKLED2001_write_register(uint8_t addr, uint8_t reg, uint8_t data) { +bool ckled2001_write_register(uint8_t addr, uint8_t reg, uint8_t data) { // If the transaction fails function returns false. g_twi_transfer_buffer[0] = reg; g_twi_transfer_buffer[1] = data; @@ -69,7 +69,7 @@ bool CKLED2001_write_register(uint8_t addr, uint8_t reg, uint8_t data) { return true; } -bool CKLED2001_write_pwm_buffer(uint8_t addr, uint8_t *pwm_buffer) { +bool ckled2001_write_pwm_buffer(uint8_t addr, uint8_t *pwm_buffer) { // Assumes PG1 is already selected. // If any of the transactions fails function returns false. // Transmit PWM registers in 12 transfers of 16 bytes. @@ -100,69 +100,72 @@ bool CKLED2001_write_pwm_buffer(uint8_t addr, uint8_t *pwm_buffer) { return true; } -void CKLED2001_init(uint8_t addr) { +void ckled2001_init(uint8_t addr) { // Select to function page - CKLED2001_write_register(addr, CONFIGURE_CMD_PAGE, FUNCTION_PAGE); + ckled2001_write_register(addr, CONFIGURE_CMD_PAGE, FUNCTION_PAGE); // Setting LED driver to shutdown mode - CKLED2001_write_register(addr, CONFIGURATION_REG, MSKSW_SHUT_DOWN_MODE); + ckled2001_write_register(addr, CONFIGURATION_REG, MSKSW_SHUT_DOWN_MODE); // Setting internal channel pulldown/pullup - CKLED2001_write_register(addr, PDU_REG, MSKSET_CA_CB_CHANNEL); + ckled2001_write_register(addr, PDU_REG, MSKSET_CA_CB_CHANNEL); // Select number of scan phase - CKLED2001_write_register(addr, SCAN_PHASE_REG, PHASE_CHANNEL); + ckled2001_write_register(addr, SCAN_PHASE_REG, PHASE_CHANNEL); // Setting PWM Delay Phase - CKLED2001_write_register(addr, SLEW_RATE_CONTROL_MODE1_REG, MSKPWM_DELAY_PHASE_ENABLE); + ckled2001_write_register(addr, SLEW_RATE_CONTROL_MODE1_REG, MSKPWM_DELAY_PHASE_ENABLE); // Setting Driving/Sinking Channel Slew Rate - CKLED2001_write_register(addr, SLEW_RATE_CONTROL_MODE2_REG, MSKDRIVING_SINKING_CHHANNEL_SLEWRATE_ENABLE); + ckled2001_write_register(addr, SLEW_RATE_CONTROL_MODE2_REG, MSKDRIVING_SINKING_CHHANNEL_SLEWRATE_ENABLE); // Setting Iref - CKLED2001_write_register(addr, SOFTWARE_SLEEP_REG, MSKSLEEP_DISABLE); + ckled2001_write_register(addr, SOFTWARE_SLEEP_REG, MSKSLEEP_DISABLE); // Set LED CONTROL PAGE (Page 0) - CKLED2001_write_register(addr, CONFIGURE_CMD_PAGE, LED_CONTROL_PAGE); + ckled2001_write_register(addr, CONFIGURE_CMD_PAGE, LED_CONTROL_PAGE); for (int i = 0; i < LED_CONTROL_ON_OFF_LENGTH; i++) { - CKLED2001_write_register(addr, i, 0x00); + ckled2001_write_register(addr, i, 0x00); } // Set PWM PAGE (Page 1) - CKLED2001_write_register(addr, CONFIGURE_CMD_PAGE, LED_PWM_PAGE); + ckled2001_write_register(addr, CONFIGURE_CMD_PAGE, LED_PWM_PAGE); for (int i = 0; i < LED_CURRENT_TUNE_LENGTH; i++) { - CKLED2001_write_register(addr, i, 0x00); + ckled2001_write_register(addr, i, 0x00); } // Set CURRENT PAGE (Page 4) uint8_t current_tuen_reg_list[LED_CURRENT_TUNE_LENGTH] = CKLED2001_CURRENT_TUNE; - CKLED2001_write_register(addr, CONFIGURE_CMD_PAGE, CURRENT_TUNE_PAGE); + ckled2001_write_register(addr, CONFIGURE_CMD_PAGE, CURRENT_TUNE_PAGE); for (int i = 0; i < LED_CURRENT_TUNE_LENGTH; i++) { - CKLED2001_write_register(addr, i, current_tuen_reg_list[i]); + ckled2001_write_register(addr, i, current_tuen_reg_list[i]); } // Enable LEDs ON/OFF - CKLED2001_write_register(addr, CONFIGURE_CMD_PAGE, LED_CONTROL_PAGE); + ckled2001_write_register(addr, CONFIGURE_CMD_PAGE, LED_CONTROL_PAGE); for (int i = 0; i < LED_CONTROL_ON_OFF_LENGTH; i++) { - CKLED2001_write_register(addr, i, 0xFF); + ckled2001_write_register(addr, i, 0xFF); } // Select to function page - CKLED2001_write_register(addr, CONFIGURE_CMD_PAGE, FUNCTION_PAGE); + ckled2001_write_register(addr, CONFIGURE_CMD_PAGE, FUNCTION_PAGE); // Setting LED driver to normal mode - CKLED2001_write_register(addr, CONFIGURATION_REG, MSKSW_NORMAL_MODE); + ckled2001_write_register(addr, CONFIGURATION_REG, MSKSW_NORMAL_MODE); } -void CKLED2001_set_value(int index, uint8_t value) { +void ckled2001_set_value(int index, uint8_t value) { ckled2001_led led; if (index >= 0 && index < LED_MATRIX_LED_COUNT) { memcpy_P(&led, (&g_ckled2001_leds[index]), sizeof(led)); + if (g_pwm_buffer[led.driver][led.v] == value) { + return; + } g_pwm_buffer[led.driver][led.v] = value; g_pwm_buffer_update_required[led.driver] = true; } } -void CKLED2001_set_value_all(uint8_t value) { +void ckled2001_set_value_all(uint8_t value) { for (int i = 0; i < LED_MATRIX_LED_COUNT; i++) { - CKLED2001_set_value(i, value); + ckled2001_set_value(i, value); } } -void CKLED2001_set_led_control_register(uint8_t index, bool value) { +void ckled2001_set_led_control_register(uint8_t index, bool value) { ckled2001_led led; memcpy_P(&led, (&g_ckled2001_leds[index]), sizeof(led)); @@ -178,41 +181,41 @@ void CKLED2001_set_led_control_register(uint8_t index, bool value) { g_led_control_registers_update_required[led.driver] = true; } -void CKLED2001_update_pwm_buffers(uint8_t addr, uint8_t index) { +void ckled2001_update_pwm_buffers(uint8_t addr, uint8_t index) { if (g_pwm_buffer_update_required[index]) { - CKLED2001_write_register(addr, CONFIGURE_CMD_PAGE, LED_PWM_PAGE); + ckled2001_write_register(addr, CONFIGURE_CMD_PAGE, LED_PWM_PAGE); // If any of the transactions fail we risk writing dirty PG0, // refresh page 0 just in case. - if (!CKLED2001_write_pwm_buffer(addr, g_pwm_buffer[index])) { + if (!ckled2001_write_pwm_buffer(addr, g_pwm_buffer[index])) { g_led_control_registers_update_required[index] = true; } } g_pwm_buffer_update_required[index] = false; } -void CKLED2001_update_led_control_registers(uint8_t addr, uint8_t index) { +void ckled2001_update_led_control_registers(uint8_t addr, uint8_t index) { if (g_led_control_registers_update_required[index]) { - CKLED2001_write_register(addr, CONFIGURE_CMD_PAGE, LED_CONTROL_PAGE); + ckled2001_write_register(addr, CONFIGURE_CMD_PAGE, LED_CONTROL_PAGE); for (int i = 0; i < 24; i++) { - CKLED2001_write_register(addr, i, g_led_control_registers[index][i]); + ckled2001_write_register(addr, i, g_led_control_registers[index][i]); } } g_led_control_registers_update_required[index] = false; } -void CKLED2001_sw_return_normal(uint8_t addr) { +void ckled2001_sw_return_normal(uint8_t addr) { // Select to function page - CKLED2001_write_register(addr, CONFIGURE_CMD_PAGE, FUNCTION_PAGE); + ckled2001_write_register(addr, CONFIGURE_CMD_PAGE, FUNCTION_PAGE); // Setting LED driver to normal mode - CKLED2001_write_register(addr, CONFIGURATION_REG, MSKSW_NORMAL_MODE); + ckled2001_write_register(addr, CONFIGURATION_REG, MSKSW_NORMAL_MODE); } -void CKLED2001_sw_shutdown(uint8_t addr) { +void ckled2001_sw_shutdown(uint8_t addr) { // Select to function page - CKLED2001_write_register(addr, CONFIGURE_CMD_PAGE, FUNCTION_PAGE); + ckled2001_write_register(addr, CONFIGURE_CMD_PAGE, FUNCTION_PAGE); // Setting LED driver to shutdown mode - CKLED2001_write_register(addr, CONFIGURATION_REG, MSKSW_SHUT_DOWN_MODE); + ckled2001_write_register(addr, CONFIGURATION_REG, MSKSW_SHUT_DOWN_MODE); // Write SW Sleep Register - CKLED2001_write_register(addr, SOFTWARE_SLEEP_REG, MSKSLEEP_ENABLE); + ckled2001_write_register(addr, SOFTWARE_SLEEP_REG, MSKSLEEP_ENABLE); } |