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LED drivers: add defines for PWM and LED control register counts (#22383)

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Ryan 2023-11-02 06:13:25 +11:00 • committed by GitHub
parent 0a94c2951f
commit a27bc60703
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GPG key ID: 4AEE18F83AFDEB23
15 changed files with 130 additions and 91 deletions
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17
drivers/led/issi/is31fl3737-simple.c
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@ -38,6 +38,9 @@
#define IS31FL3737_REG_SWPULLUP 0x0F // PG3
#define IS31FL3737_REG_CSPULLUP 0x10 // PG3
#define IS31FL3737_PWM_REGISTER_COUNT 192 // actually 144
#define IS31FL3737_LED_CONTROL_REGISTER_COUNT 24
#ifndef IS31FL3737_I2C_TIMEOUT
# define IS31FL3737_I2C_TIMEOUT 100
#endif
@ -72,11 +75,11 @@ uint8_t g_twi_transfer_buffer[20];
// 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][192];
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][24] = {0};
bool g_led_control_registers_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};
void is31fl3737_write_register(uint8_t addr, uint8_t reg, uint8_t data) {
g_twi_transfer_buffer[0] = reg;
@ -98,7 +101,7 @@ void is31fl3737_write_pwm_buffer(uint8_t addr, uint8_t *pwm_buffer) {
// g_twi_transfer_buffer[] is 20 bytes
// iterate over the pwm_buffer contents at 16 byte intervals
for (int i = 0; i < 192; i += 16) {
for (int i = 0; i < IS31FL3737_PWM_REGISTER_COUNT; i += 16) {
g_twi_transfer_buffer[0] = i;
// copy the data from i to i+15
// device will auto-increment register for data after the first byte
@ -157,7 +160,7 @@ void is31fl3737_init(uint8_t addr) {
// Select PG0
is31fl3737_write_register(addr, IS31FL3737_COMMANDREGISTER, IS31FL3737_PAGE_LEDCONTROL);
// Turn off all LEDs.
for (int i = 0x00; i <= 0x17; i++) {
for (int i = 0; i < IS31FL3737_LED_CONTROL_REGISTER_COUNT; i++) {
is31fl3737_write_register(addr, i, 0x00);
}
@ -168,7 +171,7 @@ void is31fl3737_init(uint8_t addr) {
is31fl3737_write_register(addr, IS31FL3737_COMMANDREGISTER, IS31FL3737_PAGE_PWM);
// Set PWM on all LEDs to 0
// No need to setup Breath registers to PWM as that is the default.
for (int i = 0x00; i <= 0xBF; i++) {
for (int i = 0; i < IS31FL3737_PWM_REGISTER_COUNT; i++) {
is31fl3737_write_register(addr, i, 0x00);
}
@ -241,7 +244,7 @@ void is31fl3737_update_led_control_registers(uint8_t addr, uint8_t index) {
// Firstly we need to unlock the command register and select PG0
is31fl3737_write_register(addr, IS31FL3737_COMMANDREGISTER_WRITELOCK, 0xC5);
is31fl3737_write_register(addr, IS31FL3737_COMMANDREGISTER, IS31FL3737_PAGE_LEDCONTROL);
for (int i = 0; i < 24; i++) {
for (int i = 0; i < IS31FL3737_LED_CONTROL_REGISTER_COUNT; i++) {
is31fl3737_write_register(addr, i, g_led_control_registers[index][i]);
}
g_led_control_registers_update_required[index] = false;