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LED drivers: place I2C addresses into an array (#22975)

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Ryan 2024-02-09 22:37:18 +11:00 • committed by GitHub
parent 137938b67a
commit a5ea619139
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54 changed files with 1292 additions and 1349 deletions
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130
drivers/led/snled27351-mono.c
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@ -37,6 +37,19 @@
{ 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF }
#endif
const uint8_t i2c_addresses[SNLED27351_DRIVER_COUNT] = {
SNLED27351_I2C_ADDRESS_1,
#ifdef SNLED27351_I2C_ADDRESS_2
SNLED27351_I2C_ADDRESS_2,
# ifdef SNLED27351_I2C_ADDRESS_3
SNLED27351_I2C_ADDRESS_3,
# ifdef SNLED27351_I2C_ADDRESS_4
SNLED27351_I2C_ADDRESS_4,
# endif
# endif
#endif
};
// These buffers match the SNLED27351 PWM registers.
// The control buffers match the PG0 LED On/Off registers.
// Storing them like this is optimal for I2C transfers to the registers.
@ -49,21 +62,21 @@ bool g_pwm_buffer_update_required[SNLED27351_DRIVER_COUNT] = {false};
uint8_t g_led_control_registers[SNLED27351_DRIVER_COUNT][SNLED27351_LED_CONTROL_REGISTER_COUNT] = {0};
bool g_led_control_registers_update_required[SNLED27351_DRIVER_COUNT] = {false};
void snled27351_write_register(uint8_t addr, uint8_t reg, uint8_t data) {
void snled27351_write_register(uint8_t index, uint8_t reg, uint8_t data) {
#if SNLED27351_I2C_PERSISTENCE > 0
for (uint8_t i = 0; i < SNLED27351_I2C_PERSISTENCE; i++) {
if (i2c_write_register(addr << 1, reg, &data, 1, SNLED27351_I2C_TIMEOUT) == I2C_STATUS_SUCCESS) break;
if (i2c_write_register(i2c_addresses[index] << 1, reg, &data, 1, SNLED27351_I2C_TIMEOUT) == I2C_STATUS_SUCCESS) break;
}
#else
i2c_write_register(addr << 1, reg, &data, 1, SNLED27351_I2C_TIMEOUT);
i2c_write_register(i2c_addresses[index] << 1, reg, &data, 1, SNLED27351_I2C_TIMEOUT);
#endif
}
void snled27351_select_page(uint8_t addr, uint8_t page) {
snled27351_write_register(addr, SNLED27351_REG_COMMAND, page);
void snled27351_select_page(uint8_t index, uint8_t page) {
snled27351_write_register(index, SNLED27351_REG_COMMAND, page);
}
void snled27351_write_pwm_buffer(uint8_t addr, uint8_t index) {
void snled27351_write_pwm_buffer(uint8_t index) {
// Assumes PG1 is already selected.
// Transmit PWM registers in 12 transfers of 16 bytes.
@ -71,10 +84,10 @@ void snled27351_write_pwm_buffer(uint8_t addr, uint8_t index) {
for (uint8_t i = 0; i < SNLED27351_PWM_REGISTER_COUNT; i += 16) {
#if SNLED27351_I2C_PERSISTENCE > 0
for (uint8_t j = 0; j < SNLED27351_I2C_PERSISTENCE; j++) {
if (i2c_write_register(addr << 1, i, g_pwm_buffer[index] + i, 16, SNLED27351_I2C_TIMEOUT) == I2C_STATUS_SUCCESS) break;
if (i2c_write_register(i2c_addresses[index] << 1, i, g_pwm_buffer[index] + i, 16, SNLED27351_I2C_TIMEOUT) == I2C_STATUS_SUCCESS) break;
}
#else
i2c_write_register(addr << 1, i, g_pwm_buffer[index] + i, 16, SNLED27351_I2C_TIMEOUT);
i2c_write_register(i2c_addresses[index] << 1, i, g_pwm_buffer[index] + i, 16, SNLED27351_I2C_TIMEOUT);
#endif
}
}
@ -82,78 +95,64 @@ void snled27351_write_pwm_buffer(uint8_t addr, uint8_t index) {
void snled27351_init_drivers(void) {
i2c_init();
snled27351_init(SNLED27351_I2C_ADDRESS_1);
#if defined(SNLED27351_I2C_ADDRESS_2)
snled27351_init(SNLED27351_I2C_ADDRESS_2);
# if defined(SNLED27351_I2C_ADDRESS_3)
snled27351_init(SNLED27351_I2C_ADDRESS_3);
# if defined(SNLED27351_I2C_ADDRESS_4)
snled27351_init(SNLED27351_I2C_ADDRESS_4);
# endif
# endif
#endif
for (uint8_t i = 0; i < SNLED27351_DRIVER_COUNT; i++) {
snled27351_init(i);
}
for (int i = 0; i < SNLED27351_LED_COUNT; i++) {
snled27351_set_led_control_register(i, true);
}
snled27351_update_led_control_registers(SNLED27351_I2C_ADDRESS_1, 0);
#if defined(SNLED27351_I2C_ADDRESS_2)
snled27351_update_led_control_registers(SNLED27351_I2C_ADDRESS_2, 1);
# if defined(SNLED27351_I2C_ADDRESS_3)
snled27351_update_led_control_registers(SNLED27351_I2C_ADDRESS_3, 2);
# if defined(SNLED27351_I2C_ADDRESS_4)
snled27351_update_led_control_registers(SNLED27351_I2C_ADDRESS_4, 3);
# endif
# endif
#endif
for (uint8_t i = 0; i < SNLED27351_DRIVER_COUNT; i++) {
snled27351_update_led_control_registers(i);
}
}
void snled27351_init(uint8_t addr) {
snled27351_select_page(addr, SNLED27351_COMMAND_FUNCTION);
void snled27351_init(uint8_t index) {
snled27351_select_page(index, SNLED27351_COMMAND_FUNCTION);
// Setting LED driver to shutdown mode
snled27351_write_register(addr, SNLED27351_FUNCTION_REG_SOFTWARE_SHUTDOWN, SNLED27351_SOFTWARE_SHUTDOWN_SSD_SHUTDOWN);
snled27351_write_register(index, SNLED27351_FUNCTION_REG_SOFTWARE_SHUTDOWN, SNLED27351_SOFTWARE_SHUTDOWN_SSD_SHUTDOWN);
// Setting internal channel pulldown/pullup
snled27351_write_register(addr, SNLED27351_FUNCTION_REG_PULLDOWNUP, SNLED27351_PULLDOWNUP_ALL_ENABLED);
snled27351_write_register(index, SNLED27351_FUNCTION_REG_PULLDOWNUP, SNLED27351_PULLDOWNUP_ALL_ENABLED);
// Select number of scan phase
snled27351_write_register(addr, SNLED27351_FUNCTION_REG_SCAN_PHASE, SNLED27351_PHASE_CHANNEL);
snled27351_write_register(index, SNLED27351_FUNCTION_REG_SCAN_PHASE, SNLED27351_PHASE_CHANNEL);
// Setting PWM Delay Phase
snled27351_write_register(addr, SNLED27351_FUNCTION_REG_SLEW_RATE_CONTROL_MODE_1, SNLED27351_SLEW_RATE_CONTROL_MODE_1_PDP_ENABLE);
snled27351_write_register(index, SNLED27351_FUNCTION_REG_SLEW_RATE_CONTROL_MODE_1, SNLED27351_SLEW_RATE_CONTROL_MODE_1_PDP_ENABLE);
// Setting Driving/Sinking Channel Slew Rate
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);
snled27351_write_register(index, 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);
snled27351_write_register(index, SNLED27351_FUNCTION_REG_SOFTWARE_SLEEP, 0);
snled27351_select_page(addr, SNLED27351_COMMAND_LED_CONTROL);
snled27351_select_page(index, SNLED27351_COMMAND_LED_CONTROL);
for (int i = 0; i < SNLED27351_LED_CONTROL_ON_OFF_LENGTH; i++) {
snled27351_write_register(addr, i, 0x00);
snled27351_write_register(index, i, 0x00);
}
snled27351_select_page(addr, SNLED27351_COMMAND_PWM);
snled27351_select_page(index, SNLED27351_COMMAND_PWM);
for (int i = 0; i < SNLED27351_LED_CURRENT_TUNE_LENGTH; i++) {
snled27351_write_register(addr, i, 0x00);
snled27351_write_register(index, i, 0x00);
}
snled27351_select_page(addr, SNLED27351_COMMAND_CURRENT_TUNE);
snled27351_select_page(index, SNLED27351_COMMAND_CURRENT_TUNE);
uint8_t current_tune_reg_list[SNLED27351_LED_CURRENT_TUNE_LENGTH] = SNLED27351_CURRENT_TUNE;
for (int i = 0; i < SNLED27351_LED_CURRENT_TUNE_LENGTH; i++) {
snled27351_write_register(addr, i, current_tune_reg_list[i]);
snled27351_write_register(index, i, current_tune_reg_list[i]);
}
snled27351_select_page(addr, SNLED27351_COMMAND_LED_CONTROL);
snled27351_select_page(index, SNLED27351_COMMAND_LED_CONTROL);
for (int i = 0; i < SNLED27351_LED_CONTROL_ON_OFF_LENGTH; i++) {
snled27351_write_register(addr, i, 0xFF);
snled27351_write_register(index, i, 0xFF);
}
snled27351_select_page(addr, SNLED27351_COMMAND_FUNCTION);
snled27351_select_page(index, SNLED27351_COMMAND_FUNCTION);
// Setting LED driver to normal mode
snled27351_write_register(addr, SNLED27351_FUNCTION_REG_SOFTWARE_SHUTDOWN, SNLED27351_SOFTWARE_SHUTDOWN_SSD_NORMAL);
snled27351_write_register(index, SNLED27351_FUNCTION_REG_SOFTWARE_SHUTDOWN, SNLED27351_SOFTWARE_SHUTDOWN_SSD_NORMAL);
}
void snled27351_set_value(int index, uint8_t value) {
@ -192,22 +191,22 @@ void snled27351_set_led_control_register(uint8_t index, bool value) {
g_led_control_registers_update_required[led.driver] = true;
}
void snled27351_update_pwm_buffers(uint8_t addr, uint8_t index) {
void snled27351_update_pwm_buffers(uint8_t index) {
if (g_pwm_buffer_update_required[index]) {
snled27351_select_page(addr, SNLED27351_COMMAND_PWM);
snled27351_select_page(index, SNLED27351_COMMAND_PWM);
snled27351_write_pwm_buffer(addr, index);
snled27351_write_pwm_buffer(index);
g_pwm_buffer_update_required[index] = false;
}
}
void snled27351_update_led_control_registers(uint8_t addr, uint8_t index) {
void snled27351_update_led_control_registers(uint8_t index) {
if (g_led_control_registers_update_required[index]) {
snled27351_select_page(addr, SNLED27351_COMMAND_LED_CONTROL);
snled27351_select_page(index, SNLED27351_COMMAND_LED_CONTROL);
for (uint8_t i = 0; i < SNLED27351_LED_CONTROL_REGISTER_COUNT; i++) {
snled27351_write_register(addr, i, g_led_control_registers[index][i]);
snled27351_write_register(index, i, g_led_control_registers[index][i]);
}
g_led_control_registers_update_required[index] = false;
@ -215,30 +214,23 @@ void snled27351_update_led_control_registers(uint8_t addr, uint8_t index) {
}
void snled27351_flush(void) {
snled27351_update_pwm_buffers(SNLED27351_I2C_ADDRESS_1, 0);
#if defined(SNLED27351_I2C_ADDRESS_2)
snled27351_update_pwm_buffers(SNLED27351_I2C_ADDRESS_2, 1);
# if defined(SNLED27351_I2C_ADDRESS_3)
snled27351_update_pwm_buffers(SNLED27351_I2C_ADDRESS_3, 2);
# if defined(SNLED27351_I2C_ADDRESS_4)
snled27351_update_pwm_buffers(SNLED27351_I2C_ADDRESS_4, 3);
# endif
# endif
#endif
for (uint8_t i = 0; i < SNLED27351_DRIVER_COUNT; i++) {
snled27351_update_pwm_buffers(i);
}
}
void snled27351_sw_return_normal(uint8_t addr) {
snled27351_select_page(addr, SNLED27351_COMMAND_FUNCTION);
void snled27351_sw_return_normal(uint8_t index) {
snled27351_select_page(index, SNLED27351_COMMAND_FUNCTION);
// Setting LED driver to normal mode
snled27351_write_register(addr, SNLED27351_FUNCTION_REG_SOFTWARE_SHUTDOWN, SNLED27351_SOFTWARE_SHUTDOWN_SSD_NORMAL);
snled27351_write_register(index, SNLED27351_FUNCTION_REG_SOFTWARE_SHUTDOWN, SNLED27351_SOFTWARE_SHUTDOWN_SSD_NORMAL);
}
void snled27351_sw_shutdown(uint8_t addr) {
snled27351_select_page(addr, SNLED27351_COMMAND_FUNCTION);
void snled27351_sw_shutdown(uint8_t index) {
snled27351_select_page(index, SNLED27351_COMMAND_FUNCTION);
// Setting LED driver to shutdown mode
snled27351_write_register(addr, SNLED27351_FUNCTION_REG_SOFTWARE_SHUTDOWN, SNLED27351_SOFTWARE_SHUTDOWN_SSD_SHUTDOWN);
snled27351_write_register(index, SNLED27351_FUNCTION_REG_SOFTWARE_SHUTDOWN, SNLED27351_SOFTWARE_SHUTDOWN_SSD_SHUTDOWN);
// Write SW Sleep Register
snled27351_write_register(addr, SNLED27351_FUNCTION_REG_SOFTWARE_SLEEP, SNLED27351_SOFTWARE_SLEEP_ENABLE);
snled27351_write_register(index, SNLED27351_FUNCTION_REG_SOFTWARE_SLEEP, SNLED27351_SOFTWARE_SLEEP_ENABLE);
}