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LED drivers: refactor page selection (#22518)

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Ryan 2023-12-04 17:52:40 +11:00 • committed by GitHub
parent 3a2aec47b7
commit 358bc8eac8
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GPG key ID: 4AEE18F83AFDEB23
29 changed files with 211 additions and 274 deletions
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41
drivers/led/snled27351-simple.c
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@ -71,6 +71,10 @@ bool snled27351_write_register(uint8_t addr, uint8_t reg, uint8_t data) {
return true;
}
void snled27351_select_page(uint8_t addr, uint8_t page) {
snled27351_write_register(addr, SNLED27351_REG_COMMAND, page);
}
bool snled27351_write_pwm_buffer(uint8_t addr, uint8_t *pwm_buffer) {
// Assumes PG1 is already selected.
// If any of the transactions fails function returns false.
@ -133,8 +137,8 @@ void snled27351_init_drivers(void) {
}
void snled27351_init(uint8_t addr) {
// Select to function page
snled27351_write_register(addr, SNLED27351_REG_COMMAND, SNLED27351_COMMAND_FUNCTION);
snled27351_select_page(addr, SNLED27351_COMMAND_FUNCTION);
// Setting LED driver to shutdown mode
snled27351_write_register(addr, SNLED27351_FUNCTION_REG_SOFTWARE_SHUTDOWN, SNLED27351_SOFTWARE_SHUTDOWN_SSD_SHUTDOWN);
// Setting internal channel pulldown/pullup
@ -147,33 +151,35 @@ void snled27351_init(uint8_t addr) {
snled27351_write_register(addr, SNLED27351_FUNCTION_REG_SLEW_RATE_CONTROL_MODE_2, SNLED27351_SLEW_RATE_CONTROL_MODE_2_DSL_ENABLE | SNLED27351_SLEW_RATE_CONTROL_MODE_2_SSL_ENABLE);
// Setting Iref
snled27351_write_register(addr, SNLED27351_FUNCTION_REG_SOFTWARE_SLEEP, 0);
// Set LED CONTROL PAGE (Page 0)
snled27351_write_register(addr, SNLED27351_REG_COMMAND, SNLED27351_COMMAND_LED_CONTROL);
snled27351_select_page(addr, SNLED27351_COMMAND_LED_CONTROL);
for (int i = 0; i < SNLED27351_LED_CONTROL_ON_OFF_LENGTH; i++) {
snled27351_write_register(addr, i, 0x00);
}
// Set PWM PAGE (Page 1)
snled27351_write_register(addr, SNLED27351_REG_COMMAND, SNLED27351_COMMAND_PWM);
snled27351_select_page(addr, SNLED27351_COMMAND_PWM);
for (int i = 0; i < SNLED27351_LED_CURRENT_TUNE_LENGTH; i++) {
snled27351_write_register(addr, i, 0x00);
}
// Set CURRENT PAGE (Page 4)
snled27351_select_page(addr, SNLED27351_COMMAND_CURRENT_TUNE);
uint8_t current_tune_reg_list[SNLED27351_LED_CURRENT_TUNE_LENGTH] = SNLED27351_CURRENT_TUNE;
snled27351_write_register(addr, SNLED27351_REG_COMMAND, SNLED27351_COMMAND_CURRENT_TUNE);
for (int i = 0; i < SNLED27351_LED_CURRENT_TUNE_LENGTH; i++) {
snled27351_write_register(addr, i, current_tune_reg_list[i]);
}
snled27351_select_page(addr, SNLED27351_COMMAND_LED_CONTROL);
// Enable LEDs ON/OFF
snled27351_write_register(addr, SNLED27351_REG_COMMAND, SNLED27351_COMMAND_LED_CONTROL);
for (int i = 0; i < SNLED27351_LED_CONTROL_ON_OFF_LENGTH; i++) {
snled27351_write_register(addr, i, 0xFF);
}
// Select to function page
snled27351_write_register(addr, SNLED27351_REG_COMMAND, SNLED27351_COMMAND_FUNCTION);
snled27351_select_page(addr, SNLED27351_COMMAND_FUNCTION);
// Setting LED driver to normal mode
snled27351_write_register(addr, SNLED27351_FUNCTION_REG_SOFTWARE_SHUTDOWN, SNLED27351_SOFTWARE_SHUTDOWN_SSD_NORMAL);
}
@ -215,7 +221,7 @@ void snled27351_set_led_control_register(uint8_t index, bool value) {
void snled27351_update_pwm_buffers(uint8_t addr, uint8_t index) {
if (g_pwm_buffer_update_required[index]) {
snled27351_write_register(addr, SNLED27351_REG_COMMAND, SNLED27351_COMMAND_PWM);
snled27351_select_page(addr, SNLED27351_COMMAND_PWM);
// If any of the transactions fail we risk writing dirty PG0,
// refresh page 0 just in case.
@ -228,7 +234,8 @@ void snled27351_update_pwm_buffers(uint8_t addr, uint8_t index) {
void snled27351_update_led_control_registers(uint8_t addr, uint8_t index) {
if (g_led_control_registers_update_required[index]) {
snled27351_write_register(addr, SNLED27351_REG_COMMAND, SNLED27351_COMMAND_LED_CONTROL);
snled27351_select_page(addr, SNLED27351_COMMAND_LED_CONTROL);
for (int i = 0; i < SNLED27351_LED_CONTROL_REGISTER_COUNT; i++) {
snled27351_write_register(addr, i, g_led_control_registers[index][i]);
}
@ -250,15 +257,15 @@ void snled27351_flush(void) {
}
void snled27351_sw_return_normal(uint8_t addr) {
// Select to function page
snled27351_write_register(addr, SNLED27351_REG_COMMAND, SNLED27351_COMMAND_FUNCTION);
snled27351_select_page(addr, SNLED27351_COMMAND_FUNCTION);
// Setting LED driver to normal mode
snled27351_write_register(addr, SNLED27351_FUNCTION_REG_SOFTWARE_SHUTDOWN, SNLED27351_SOFTWARE_SHUTDOWN_SSD_NORMAL);
}
void snled27351_sw_shutdown(uint8_t addr) {
// Select to function page
snled27351_write_register(addr, SNLED27351_REG_COMMAND, SNLED27351_COMMAND_FUNCTION);
snled27351_select_page(addr, SNLED27351_COMMAND_FUNCTION);
// Setting LED driver to shutdown mode
snled27351_write_register(addr, SNLED27351_FUNCTION_REG_SOFTWARE_SHUTDOWN, SNLED27351_SOFTWARE_SHUTDOWN_SSD_SHUTDOWN);
// Write SW Sleep Register