ahoneybun/qmk_firmware
1
0
Fork 0
Code Issues Pull requests Projects Releases Packages Wiki Activity Actions

LED drivers: refactor page selection (#22518)

Browse source
This commit is contained in:
Ryan 2023-12-04 17:52:40 +11:00 • committed by GitHub
parent 3a2aec47b7
commit 358bc8eac8
No known key found for this signature in database
GPG key ID: 4AEE18F83AFDEB23
29 changed files with 211 additions and 274 deletions
Download patch file Download diff file Expand all files Collapse all files

2
drivers/led/issi/is31fl3218-simple.h
View file

@ -43,6 +43,8 @@ extern const is31fl3218_led_t PROGMEM g_is31fl3218_leds[IS31FL3218_LED_COUNT];
void is31fl3218_init(void);
void is31fl3218_write_register(uint8_t reg, uint8_t data);
void is31fl3218_set_value(int index, uint8_t value);
void is31fl3218_set_value_all(uint8_t value);

2
drivers/led/issi/is31fl3218.h
View file

@ -45,6 +45,8 @@ extern const is31fl3218_led_t PROGMEM g_is31fl3218_leds[IS31FL3218_LED_COUNT];
void is31fl3218_init(void);
void is31fl3218_write_register(uint8_t reg, uint8_t data);
void is31fl3218_set_color(int index, uint8_t red, uint8_t green, uint8_t blue);
void is31fl3218_set_color_all(uint8_t red, uint8_t green, uint8_t blue);

21
drivers/led/issi/is31fl3731-simple.c
View file

@ -62,8 +62,12 @@ void is31fl3731_write_register(uint8_t addr, uint8_t reg, uint8_t data) {
#endif
}
void is31fl3731_select_page(uint8_t addr, uint8_t page) {
is31fl3731_write_register(addr, IS31FL3731_REG_COMMAND, page);
}
void is31fl3731_write_pwm_buffer(uint8_t addr, uint8_t *pwm_buffer) {
// assumes bank is already selected
// assumes page 0 is already selected
// transmit PWM registers in 9 transfers of 16 bytes
// g_twi_transfer_buffer[] is 20 bytes
@ -123,8 +127,7 @@ void is31fl3731_init(uint8_t addr) {
// then set up the mode and other settings, clear the PWM registers,
// then disable software shutdown.
// select "function register" bank
is31fl3731_write_register(addr, IS31FL3731_REG_COMMAND, IS31FL3731_COMMAND_FUNCTION);
is31fl3731_select_page(addr, IS31FL3731_COMMAND_FUNCTION);
// enable software shutdown
is31fl3731_write_register(addr, IS31FL3731_FUNCTION_REG_SHUTDOWN, 0x00);
@ -142,8 +145,7 @@ void is31fl3731_init(uint8_t addr) {
// audio sync off
is31fl3731_write_register(addr, IS31FL3731_FUNCTION_REG_AUDIO_SYNC, 0x00);
// select bank 0
is31fl3731_write_register(addr, IS31FL3731_REG_COMMAND, IS31FL3731_COMMAND_FRAME_1);
is31fl3731_select_page(addr, IS31FL3731_COMMAND_FRAME_1);
// turn off all LEDs in the LED control register
for (int i = 0; i < IS31FL3731_LED_CONTROL_REGISTER_COUNT; i++) {
@ -160,16 +162,15 @@ void is31fl3731_init(uint8_t addr) {
is31fl3731_write_register(addr, i, 0x00);
}
// select "function register" bank
is31fl3731_write_register(addr, IS31FL3731_REG_COMMAND, IS31FL3731_COMMAND_FUNCTION);
is31fl3731_select_page(addr, IS31FL3731_COMMAND_FUNCTION);
// disable software shutdown
is31fl3731_write_register(addr, IS31FL3731_FUNCTION_REG_SHUTDOWN, 0x01);
// select bank 0 and leave it selected.
// most usage after initialization is just writing PWM buffers in bank 0
// select page 0 and leave it selected.
// most usage after initialization is just writing PWM buffers in page 0
// as there's not much point in double-buffering
is31fl3731_write_register(addr, IS31FL3731_REG_COMMAND, IS31FL3731_COMMAND_FRAME_1);
is31fl3731_select_page(addr, IS31FL3731_COMMAND_FRAME_1);
}
void is31fl3731_set_value(int index, uint8_t value) {

1
drivers/led/issi/is31fl3731-simple.h
View file

@ -103,6 +103,7 @@ extern const is31fl3731_led_t PROGMEM g_is31fl3731_leds[IS31FL3731_LED_COUNT];
void is31fl3731_init_drivers(void);
void is31fl3731_init(uint8_t addr);
void is31fl3731_write_register(uint8_t addr, uint8_t reg, uint8_t data);
void is31fl3731_select_page(uint8_t addr, uint8_t page);
void is31fl3731_write_pwm_buffer(uint8_t addr, uint8_t *pwm_buffer);
void is31fl3731_set_value(int index, uint8_t value);

21
drivers/led/issi/is31fl3731.c
View file

@ -59,8 +59,12 @@ void is31fl3731_write_register(uint8_t addr, uint8_t reg, uint8_t data) {
#endif
}
void is31fl3731_select_page(uint8_t addr, uint8_t page) {
is31fl3731_write_register(addr, IS31FL3731_REG_COMMAND, page);
}
void is31fl3731_write_pwm_buffer(uint8_t addr, uint8_t *pwm_buffer) {
// assumes bank is already selected
// assumes page 0 is already selected
// transmit PWM registers in 9 transfers of 16 bytes
// g_twi_transfer_buffer[] is 20 bytes
@ -120,8 +124,7 @@ void is31fl3731_init(uint8_t addr) {
// then set up the mode and other settings, clear the PWM registers,
// then disable software shutdown.
// select "function register" bank
is31fl3731_write_register(addr, IS31FL3731_REG_COMMAND, IS31FL3731_COMMAND_FUNCTION);
is31fl3731_select_page(addr, IS31FL3731_COMMAND_FUNCTION);
// enable software shutdown
is31fl3731_write_register(addr, IS31FL3731_FUNCTION_REG_SHUTDOWN, 0x00);
@ -139,8 +142,7 @@ void is31fl3731_init(uint8_t addr) {
// audio sync off
is31fl3731_write_register(addr, IS31FL3731_FUNCTION_REG_AUDIO_SYNC, 0x00);
// select bank 0
is31fl3731_write_register(addr, IS31FL3731_REG_COMMAND, IS31FL3731_COMMAND_FRAME_1);
is31fl3731_select_page(addr, IS31FL3731_COMMAND_FRAME_1);
// turn off all LEDs in the LED control register
for (int i = 0; i < IS31FL3731_LED_CONTROL_REGISTER_COUNT; i++) {
@ -157,16 +159,15 @@ void is31fl3731_init(uint8_t addr) {
is31fl3731_write_register(addr, i, 0x00);
}
// select "function register" bank
is31fl3731_write_register(addr, IS31FL3731_REG_COMMAND, IS31FL3731_COMMAND_FUNCTION);
is31fl3731_select_page(addr, IS31FL3731_COMMAND_FUNCTION);
// disable software shutdown
is31fl3731_write_register(addr, IS31FL3731_FUNCTION_REG_SHUTDOWN, 0x01);
// select bank 0 and leave it selected.
// most usage after initialization is just writing PWM buffers in bank 0
// select page 0 and leave it selected.
// most usage after initialization is just writing PWM buffers in page 0
// as there's not much point in double-buffering
is31fl3731_write_register(addr, IS31FL3731_REG_COMMAND, IS31FL3731_COMMAND_FRAME_1);
is31fl3731_select_page(addr, IS31FL3731_COMMAND_FRAME_1);
}
void is31fl3731_set_color(int index, uint8_t red, uint8_t green, uint8_t blue) {

1
drivers/led/issi/is31fl3731.h
View file

@ -104,6 +104,7 @@ extern const is31fl3731_led_t PROGMEM g_is31fl3731_leds[IS31FL3731_LED_COUNT];
void is31fl3731_init_drivers(void);
void is31fl3731_init(uint8_t addr);
void is31fl3731_write_register(uint8_t addr, uint8_t reg, uint8_t data);
void is31fl3731_select_page(uint8_t addr, uint8_t page);
void is31fl3731_write_pwm_buffer(uint8_t addr, uint8_t *pwm_buffer);
void is31fl3731_set_color(int index, uint8_t red, uint8_t green, uint8_t blue);

35
drivers/led/issi/is31fl3733-simple.c
View file

@ -67,7 +67,7 @@
uint8_t g_twi_transfer_buffer[20];
// These buffers match the IS31FL3733 PWM registers.
// The control buffers match the PG0 LED On/Off registers.
// The control buffers match the page 0 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 is31fl3733_write_pwm_buffer() but it's
@ -97,8 +97,13 @@ bool is31fl3733_write_register(uint8_t addr, uint8_t reg, uint8_t data) {
return true;
}
void is31fl3733_select_page(uint8_t addr, uint8_t page) {
is31fl3733_write_register(addr, IS31FL3733_REG_COMMAND_WRITE_LOCK, IS31FL3733_COMMAND_WRITE_LOCK_MAGIC);
is31fl3733_write_register(addr, IS31FL3733_REG_COMMAND, page);
}
bool is31fl3733_write_pwm_buffer(uint8_t addr, uint8_t *pwm_buffer) {
// Assumes PG1 is already selected.
// Assumes page 1 is already selected.
// If any of the transactions fails function returns false.
// Transmit PWM registers in 12 transfers of 16 bytes.
// g_twi_transfer_buffer[] is 20 bytes
@ -163,32 +168,23 @@ void is31fl3733_init(uint8_t addr, uint8_t sync) {
// then disable software shutdown.
// Sync is passed so set it according to the datasheet.
// Unlock the command register.
is31fl3733_write_register(addr, IS31FL3733_REG_COMMAND_WRITE_LOCK, IS31FL3733_COMMAND_WRITE_LOCK_MAGIC);
is31fl3733_select_page(addr, IS31FL3733_COMMAND_LED_CONTROL);
// Select PG0
is31fl3733_write_register(addr, IS31FL3733_REG_COMMAND, IS31FL3733_COMMAND_LED_CONTROL);
// Turn off all LEDs.
for (int i = 0; i < IS31FL3733_LED_CONTROL_REGISTER_COUNT; i++) {
is31fl3733_write_register(addr, i, 0x00);
}
// Unlock the command register.
is31fl3733_write_register(addr, IS31FL3733_REG_COMMAND_WRITE_LOCK, IS31FL3733_COMMAND_WRITE_LOCK_MAGIC);
is31fl3733_select_page(addr, IS31FL3733_COMMAND_PWM);
// Select PG1
is31fl3733_write_register(addr, IS31FL3733_REG_COMMAND, IS31FL3733_COMMAND_PWM);
// Set PWM on all LEDs to 0
// No need to setup Breath registers to PWM as that is the default.
for (int i = 0; i < IS31FL3733_PWM_REGISTER_COUNT; i++) {
is31fl3733_write_register(addr, i, 0x00);
}
// Unlock the command register.
is31fl3733_write_register(addr, IS31FL3733_REG_COMMAND_WRITE_LOCK, IS31FL3733_COMMAND_WRITE_LOCK_MAGIC);
is31fl3733_select_page(addr, IS31FL3733_COMMAND_FUNCTION);
// Select PG3
is31fl3733_write_register(addr, IS31FL3733_REG_COMMAND, IS31FL3733_COMMAND_FUNCTION);
// Set de-ghost pull-up resistors (SWx)
is31fl3733_write_register(addr, IS31FL3733_FUNCTION_REG_SW_PULLUP, IS31FL3733_SW_PULLUP);
// Set de-ghost pull-down resistors (CSx)
@ -239,11 +235,9 @@ void is31fl3733_set_led_control_register(uint8_t index, bool value) {
void is31fl3733_update_pwm_buffers(uint8_t addr, uint8_t index) {
if (g_pwm_buffer_update_required[index]) {
// Firstly we need to unlock the command register and select PG1.
is31fl3733_write_register(addr, IS31FL3733_REG_COMMAND_WRITE_LOCK, IS31FL3733_COMMAND_WRITE_LOCK_MAGIC);
is31fl3733_write_register(addr, IS31FL3733_REG_COMMAND, IS31FL3733_COMMAND_PWM);
is31fl3733_select_page(addr, IS31FL3733_COMMAND_PWM);
// If any of the transactions fail we risk writing dirty PG0,
// If any of the transactions fail we risk writing dirty page 0,
// refresh page 0 just in case.
if (!is31fl3733_write_pwm_buffer(addr, g_pwm_buffer[index])) {
g_led_control_registers_update_required[index] = true;
@ -254,9 +248,8 @@ void is31fl3733_update_pwm_buffers(uint8_t addr, uint8_t index) {
void is31fl3733_update_led_control_registers(uint8_t addr, uint8_t index) {
if (g_led_control_registers_update_required[index]) {
// Firstly we need to unlock the command register and select PG0
is31fl3733_write_register(addr, IS31FL3733_REG_COMMAND_WRITE_LOCK, IS31FL3733_COMMAND_WRITE_LOCK_MAGIC);
is31fl3733_write_register(addr, IS31FL3733_REG_COMMAND, IS31FL3733_COMMAND_LED_CONTROL);
is31fl3733_select_page(addr, IS31FL3733_COMMAND_LED_CONTROL);
for (int i = 0; i < IS31FL3733_LED_CONTROL_REGISTER_COUNT; i++) {
is31fl3733_write_register(addr, i, g_led_control_registers[index][i]);
}

1
drivers/led/issi/is31fl3733-simple.h
View file

@ -117,6 +117,7 @@ extern const is31fl3733_led_t PROGMEM g_is31fl3733_leds[IS31FL3733_LED_COUNT];
void is31fl3733_init_drivers(void);
void is31fl3733_init(uint8_t addr, uint8_t sync);
bool is31fl3733_write_register(uint8_t addr, uint8_t reg, uint8_t data);
void is31fl3733_select_page(uint8_t addr, uint8_t page);
bool is31fl3733_write_pwm_buffer(uint8_t addr, uint8_t *pwm_buffer);
void is31fl3733_set_value(int index, uint8_t value);

35
drivers/led/issi/is31fl3733.c
View file

@ -66,7 +66,7 @@
uint8_t g_twi_transfer_buffer[20];
// These buffers match the IS31FL3733 PWM registers.
// The control buffers match the PG0 LED On/Off registers.
// The control buffers match the page 0 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 is31fl3733_write_pwm_buffer() but it's
@ -96,8 +96,13 @@ bool is31fl3733_write_register(uint8_t addr, uint8_t reg, uint8_t data) {
return true;
}
void is31fl3733_select_page(uint8_t addr, uint8_t page) {
is31fl3733_write_register(addr, IS31FL3733_REG_COMMAND_WRITE_LOCK, IS31FL3733_COMMAND_WRITE_LOCK_MAGIC);
is31fl3733_write_register(addr, IS31FL3733_REG_COMMAND, page);
}
bool is31fl3733_write_pwm_buffer(uint8_t addr, uint8_t *pwm_buffer) {
// Assumes PG1 is already selected.
// Assumes page 1 is already selected.
// If any of the transactions fails function returns false.
// Transmit PWM registers in 12 transfers of 16 bytes.
// g_twi_transfer_buffer[] is 20 bytes
@ -162,32 +167,23 @@ void is31fl3733_init(uint8_t addr, uint8_t sync) {
// then disable software shutdown.
// Sync is passed so set it according to the datasheet.
// Unlock the command register.
is31fl3733_write_register(addr, IS31FL3733_REG_COMMAND_WRITE_LOCK, IS31FL3733_COMMAND_WRITE_LOCK_MAGIC);
is31fl3733_select_page(addr, IS31FL3733_COMMAND_LED_CONTROL);
// Select PG0
is31fl3733_write_register(addr, IS31FL3733_REG_COMMAND, IS31FL3733_COMMAND_LED_CONTROL);
// Turn off all LEDs.
for (int i = 0; i < IS31FL3733_LED_CONTROL_REGISTER_COUNT; i++) {
is31fl3733_write_register(addr, i, 0x00);
}
// Unlock the command register.
is31fl3733_write_register(addr, IS31FL3733_REG_COMMAND_WRITE_LOCK, IS31FL3733_COMMAND_WRITE_LOCK_MAGIC);
is31fl3733_select_page(addr, IS31FL3733_COMMAND_PWM);
// Select PG1
is31fl3733_write_register(addr, IS31FL3733_REG_COMMAND, IS31FL3733_COMMAND_PWM);
// Set PWM on all LEDs to 0
// No need to setup Breath registers to PWM as that is the default.
for (int i = 0; i < IS31FL3733_PWM_REGISTER_COUNT; i++) {
is31fl3733_write_register(addr, i, 0x00);
}
// Unlock the command register.
is31fl3733_write_register(addr, IS31FL3733_REG_COMMAND_WRITE_LOCK, IS31FL3733_COMMAND_WRITE_LOCK_MAGIC);
is31fl3733_select_page(addr, IS31FL3733_COMMAND_FUNCTION);
// Select PG3
is31fl3733_write_register(addr, IS31FL3733_REG_COMMAND, IS31FL3733_COMMAND_FUNCTION);
// Set de-ghost pull-up resistors (SWx)
is31fl3733_write_register(addr, IS31FL3733_FUNCTION_REG_SW_PULLUP, IS31FL3733_SW_PULLUP);
// Set de-ghost pull-down resistors (CSx)
@ -254,11 +250,9 @@ void is31fl3733_set_led_control_register(uint8_t index, bool red, bool green, bo
void is31fl3733_update_pwm_buffers(uint8_t addr, uint8_t index) {
if (g_pwm_buffer_update_required[index]) {
// Firstly we need to unlock the command register and select PG1.
is31fl3733_write_register(addr, IS31FL3733_REG_COMMAND_WRITE_LOCK, IS31FL3733_COMMAND_WRITE_LOCK_MAGIC);
is31fl3733_write_register(addr, IS31FL3733_REG_COMMAND, IS31FL3733_COMMAND_PWM);
is31fl3733_select_page(addr, IS31FL3733_COMMAND_PWM);
// If any of the transactions fail we risk writing dirty PG0,
// If any of the transactions fail we risk writing dirty page 0,
// refresh page 0 just in case.
if (!is31fl3733_write_pwm_buffer(addr, g_pwm_buffer[index])) {
g_led_control_registers_update_required[index] = true;
@ -269,9 +263,8 @@ void is31fl3733_update_pwm_buffers(uint8_t addr, uint8_t index) {
void is31fl3733_update_led_control_registers(uint8_t addr, uint8_t index) {
if (g_led_control_registers_update_required[index]) {
// Firstly we need to unlock the command register and select PG0
is31fl3733_write_register(addr, IS31FL3733_REG_COMMAND_WRITE_LOCK, IS31FL3733_COMMAND_WRITE_LOCK_MAGIC);
is31fl3733_write_register(addr, IS31FL3733_REG_COMMAND, IS31FL3733_COMMAND_LED_CONTROL);
is31fl3733_select_page(addr, IS31FL3733_COMMAND_LED_CONTROL);
for (int i = 0; i < IS31FL3733_LED_CONTROL_REGISTER_COUNT; i++) {
is31fl3733_write_register(addr, i, g_led_control_registers[index][i]);
}

1
drivers/led/issi/is31fl3733.h
View file

@ -142,6 +142,7 @@ extern const is31fl3733_led_t PROGMEM g_is31fl3733_leds[IS31FL3733_LED_COUNT];
void is31fl3733_init_drivers(void);
void is31fl3733_init(uint8_t addr, uint8_t sync);
bool is31fl3733_write_register(uint8_t addr, uint8_t reg, uint8_t data);
void is31fl3733_select_page(uint8_t addr, uint8_t page);
bool is31fl3733_write_pwm_buffer(uint8_t addr, uint8_t *pwm_buffer);
void is31fl3733_set_color(int index, uint8_t red, uint8_t green, uint8_t blue);

33
drivers/led/issi/is31fl3736-simple.c
View file

@ -51,7 +51,7 @@
uint8_t g_twi_transfer_buffer[20];
// These buffers match the IS31FL3736 PWM registers.
// The control buffers match the PG0 LED On/Off registers.
// The control buffers match the page 0 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 is31fl3736_write_pwm_buffer() but it's
@ -75,8 +75,13 @@ void is31fl3736_write_register(uint8_t addr, uint8_t reg, uint8_t data) {
#endif
}
void is31fl3736_select_page(uint8_t addr, uint8_t page) {
is31fl3736_write_register(addr, IS31FL3736_REG_COMMAND_WRITE_LOCK, IS31FL3736_COMMAND_WRITE_LOCK_MAGIC);
is31fl3736_write_register(addr, IS31FL3736_REG_COMMAND, page);
}
void is31fl3736_write_pwm_buffer(uint8_t addr, uint8_t *pwm_buffer) {
// assumes PG1 is already selected
// assumes page 1 is already selected
// transmit PWM registers in 12 transfers of 16 bytes
// g_twi_transfer_buffer[] is 20 bytes
@ -135,32 +140,23 @@ void is31fl3736_init(uint8_t addr) {
// Set up the mode and other settings, clear the PWM registers,
// then disable software shutdown.
// Unlock the command register.
is31fl3736_write_register(addr, IS31FL3736_REG_COMMAND_WRITE_LOCK, IS31FL3736_COMMAND_WRITE_LOCK_MAGIC);
is31fl3736_select_page(addr, IS31FL3736_COMMAND_LED_CONTROL);
// Select PG0
is31fl3736_write_register(addr, IS31FL3736_REG_COMMAND, IS31FL3736_COMMAND_LED_CONTROL);
// Turn off all LEDs.
for (int i = 0; i < IS31FL3736_LED_CONTROL_REGISTER_COUNT; i++) {
is31fl3736_write_register(addr, i, 0x00);
}
// Unlock the command register.
is31fl3736_write_register(addr, IS31FL3736_REG_COMMAND_WRITE_LOCK, IS31FL3736_COMMAND_WRITE_LOCK_MAGIC);
is31fl3736_select_page(addr, IS31FL3736_COMMAND_PWM);
// Select PG1
is31fl3736_write_register(addr, IS31FL3736_REG_COMMAND, IS31FL3736_COMMAND_PWM);
// Set PWM on all LEDs to 0
// No need to setup Breath registers to PWM as that is the default.
for (int i = 0; i < IS31FL3736_PWM_REGISTER_COUNT; i++) {
is31fl3736_write_register(addr, i, 0x00);
}
// Unlock the command register.
is31fl3736_write_register(addr, IS31FL3736_REG_COMMAND_WRITE_LOCK, IS31FL3736_COMMAND_WRITE_LOCK_MAGIC);
is31fl3736_select_page(addr, IS31FL3736_COMMAND_FUNCTION);
// Select PG3
is31fl3736_write_register(addr, IS31FL3736_REG_COMMAND, IS31FL3736_COMMAND_FUNCTION);
// Set de-ghost pull-up resistors (SWx)
is31fl3736_write_register(addr, IS31FL3736_FUNCTION_REG_SW_PULLUP, IS31FL3736_SW_PULLUP);
// Set de-ghost pull-down resistors (CSx)
@ -217,9 +213,7 @@ void is31fl3736_set_led_control_register(uint8_t index, bool value) {
void is31fl3736_update_pwm_buffers(uint8_t addr, uint8_t index) {
if (g_pwm_buffer_update_required[index]) {
// Firstly we need to unlock the command register and select PG1
is31fl3736_write_register(addr, IS31FL3736_REG_COMMAND_WRITE_LOCK, IS31FL3736_COMMAND_WRITE_LOCK_MAGIC);
is31fl3736_write_register(addr, IS31FL3736_REG_COMMAND, IS31FL3736_COMMAND_PWM);
is31fl3736_select_page(addr, IS31FL3736_COMMAND_PWM);
is31fl3736_write_pwm_buffer(addr, g_pwm_buffer[index]);
g_pwm_buffer_update_required[index] = false;
@ -228,9 +222,8 @@ void is31fl3736_update_pwm_buffers(uint8_t addr, uint8_t index) {
void is31fl3736_update_led_control_registers(uint8_t addr, uint8_t index) {
if (g_led_control_registers_update_required[index]) {
// Firstly we need to unlock the command register and select PG0
is31fl3736_write_register(addr, IS31FL3736_REG_COMMAND_WRITE_LOCK, IS31FL3736_COMMAND_WRITE_LOCK_MAGIC);
is31fl3736_write_register(addr, IS31FL3736_REG_COMMAND, IS31FL3736_COMMAND_LED_CONTROL);
is31fl3736_select_page(addr, IS31FL3736_COMMAND_LED_CONTROL);
for (int i = 0; i < IS31FL3736_LED_CONTROL_REGISTER_COUNT; i++) {
is31fl3736_write_register(addr, i, g_led_control_registers[index][i]);
}

1
drivers/led/issi/is31fl3736-simple.h
View file

@ -112,6 +112,7 @@ extern const is31fl3736_led_t PROGMEM g_is31fl3736_leds[IS31FL3736_LED_COUNT];
void is31fl3736_init_drivers(void);
void is31fl3736_init(uint8_t addr);
void is31fl3736_write_register(uint8_t addr, uint8_t reg, uint8_t data);
void is31fl3736_select_page(uint8_t addr, uint8_t page);
void is31fl3736_write_pwm_buffer(uint8_t addr, uint8_t *pwm_buffer);
void is31fl3736_set_value(int index, uint8_t value);

33
drivers/led/issi/is31fl3736.c
View file

@ -51,7 +51,7 @@
uint8_t g_twi_transfer_buffer[20];
// These buffers match the IS31FL3736 PWM registers.
// The control buffers match the PG0 LED On/Off registers.
// The control buffers match the page 0 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 is31fl3736_write_pwm_buffer() but it's
@ -75,8 +75,13 @@ void is31fl3736_write_register(uint8_t addr, uint8_t reg, uint8_t data) {
#endif
}
void is31fl3736_select_page(uint8_t addr, uint8_t page) {
is31fl3736_write_register(addr, IS31FL3736_REG_COMMAND_WRITE_LOCK, IS31FL3736_COMMAND_WRITE_LOCK_MAGIC);
is31fl3736_write_register(addr, IS31FL3736_REG_COMMAND, page);
}
void is31fl3736_write_pwm_buffer(uint8_t addr, uint8_t *pwm_buffer) {
// assumes PG1 is already selected
// assumes page 1 is already selected
// transmit PWM registers in 12 transfers of 16 bytes
// g_twi_transfer_buffer[] is 20 bytes
@ -135,32 +140,23 @@ void is31fl3736_init(uint8_t addr) {
// Set up the mode and other settings, clear the PWM registers,
// then disable software shutdown.
// Unlock the command register.
is31fl3736_write_register(addr, IS31FL3736_REG_COMMAND_WRITE_LOCK, IS31FL3736_COMMAND_WRITE_LOCK_MAGIC);
is31fl3736_select_page(addr, IS31FL3736_REG_LED_CONTROL);
// Select PG0
is31fl3736_write_register(addr, IS31FL3736_REG_COMMAND, IS31FL3736_REG_LED_CONTROL);
// Turn off all LEDs.
for (int i = 0; i < IS31FL3736_LED_CONTROL_REGISTER_COUNT; i++) {
is31fl3736_write_register(addr, i, 0x00);
}
// Unlock the command register.
is31fl3736_write_register(addr, IS31FL3736_REG_COMMAND_WRITELOCK, IS31FL3736_COMMAND_WRITE_LOCK_MAGIC);
is31fl3736_select_page(addr, IS31FL3736_COMMAND_PWM);
// Select PG1
is31fl3736_write_register(addr, IS31FL3736_REG_COMMAND, IS31FL3736_COMMAND_PWM);
// Set PWM on all LEDs to 0
// No need to setup Breath registers to PWM as that is the default.
for (int i = 0; i < IS31FL3736_PWM_REGISTER_COUNT; i++) {
is31fl3736_write_register(addr, i, 0x00);
}
// Unlock the command register.
is31fl3736_write_register(addr, IS31FL3736_REG_COMMAND_WRITE_LOCK, IS31FL3736_COMMAND_WRITE_LOCK_MAGIC);
is31fl3736_select_page(addr, IS31FL3736_COMMAND_FUNCTION);
// Select PG3
is31fl3736_write_register(addr, IS31FL3736_REG_COMMAND, IS31FL3736_COMMAND_FUNCTION);
// Set de-ghost pull-up resistors (SWx)
is31fl3736_write_register(addr, IS31FL3736_FUNCTION_REG_SW_PULLUP, IS31FL3736_SW_PULLUP);
// Set de-ghost pull-down resistors (CSx)
@ -234,9 +230,7 @@ void is31fl3736_set_led_control_register(uint8_t index, bool red, bool green, bo
void is31fl3736_update_pwm_buffers(uint8_t addr, uint8_t index) {
if (g_pwm_buffer_update_required[index]) {
// Firstly we need to unlock the command register and select PG1
is31fl3736_write_register(addr, IS31FL3736_REG_COMMAND_WRITE_LOCK, IS31FL3736_COMMAND_WRITE_LOCK_MAGIC);
is31fl3736_write_register(addr, IS31FL3736_REG_COMMAND, IS31FL3736_COMMAND_PWM);
is31fl3736_select_page(addr, IS31FL3736_COMMAND_PWM);
is31fl3736_write_pwm_buffer(addr, g_pwm_buffer[index]);
g_pwm_buffer_update_required[index] = false;
@ -245,9 +239,8 @@ void is31fl3736_update_pwm_buffers(uint8_t addr, uint8_t index) {
void is31fl3736_update_led_control_registers(uint8_t addr, uint8_t index) {
if (g_led_control_registers_update_required[index]) {
// Firstly we need to unlock the command register and select PG0
is31fl3736_write_register(addr, IS31FL3736_REG_COMMAND_WRITE_LOCK, IS31FL3736_COMMAND_WRITE_LOCK_MAGIC);
is31fl3736_write_register(addr, IS31FL3736_REG_COMMAND, IS31FL3736_COMMAND_LED_CONTROL);
is31fl3736_select_page(addr, IS31FL3736_COMMAND_LED_CONTROL);
for (int i = 0; i < IS31FL3736_LED_CONTROL_REGISTER_COUNT; i++) {
is31fl3736_write_register(addr, i, g_led_control_registers[index][i]);
}

1
drivers/led/issi/is31fl3736.h
View file

@ -126,6 +126,7 @@ extern const is31fl3736_led_t PROGMEM g_is31fl3736_leds[IS31FL3736_LED_COUNT];
void is31fl3736_init_drivers(void);
void is31fl3736_init(uint8_t addr);
void is31fl3736_write_register(uint8_t addr, uint8_t reg, uint8_t data);
void is31fl3736_select_page(uint8_t addr, uint8_t page);
void is31fl3736_write_pwm_buffer(uint8_t addr, uint8_t *pwm_buffer);
void is31fl3736_set_color(int index, uint8_t red, uint8_t green, uint8_t blue);

33
drivers/led/issi/is31fl3737-simple.c
View file

@ -53,7 +53,7 @@
uint8_t g_twi_transfer_buffer[20];
// These buffers match the IS31FL3737 PWM registers.
// The control buffers match the PG0 LED On/Off registers.
// The control buffers match the page 0 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 is31fl3737_write_pwm_buffer() but it's
@ -78,8 +78,13 @@ void is31fl3737_write_register(uint8_t addr, uint8_t reg, uint8_t data) {
#endif
}
void is31fl3737_select_page(uint8_t addr, uint8_t page) {
is31fl3737_write_register(addr, IS31FL3737_REG_COMMAND_WRITE_LOCK, IS31FL3737_COMMAND_WRITE_LOCK_MAGIC);
is31fl3737_write_register(addr, IS31FL3737_REG_COMMAND, page);
}
void is31fl3737_write_pwm_buffer(uint8_t addr, uint8_t *pwm_buffer) {
// assumes PG1 is already selected
// assumes page 1 is already selected
// transmit PWM registers in 12 transfers of 16 bytes
// g_twi_transfer_buffer[] is 20 bytes
@ -138,32 +143,23 @@ void is31fl3737_init(uint8_t addr) {
// Set up the mode and other settings, clear the PWM registers,
// then disable software shutdown.
// Unlock the command register.
is31fl3737_write_register(addr, IS31FL3737_REG_COMMAND_WRITE_LOCK, IS31FL3737_COMMAND_WRITE_LOCK_MAGIC);
is31fl3737_select_page(addr, IS31FL3737_COMMAND_LED_CONTROL);
// Select PG0
is31fl3737_write_register(addr, IS31FL3737_REG_COMMAND, IS31FL3737_COMMAND_LED_CONTROL);
// Turn off all LEDs.
for (int i = 0; i < IS31FL3737_LED_CONTROL_REGISTER_COUNT; i++) {
is31fl3737_write_register(addr, i, 0x00);
}
// Unlock the command register.
is31fl3737_write_register(addr, IS31FL3737_REG_COMMAND_WRITE_LOCK, IS31FL3737_COMMAND_WRITE_LOCK_MAGIC);
is31fl3737_select_page(addr, IS31FL3737_COMMAND_PWM);
// Select PG1
is31fl3737_write_register(addr, IS31FL3737_REG_COMMAND, IS31FL3737_COMMAND_PWM);
// Set PWM on all LEDs to 0
// No need to setup Breath registers to PWM as that is the default.
for (int i = 0; i < IS31FL3737_PWM_REGISTER_COUNT; i++) {
is31fl3737_write_register(addr, i, 0x00);
}
// Unlock the command register.
is31fl3737_write_register(addr, IS31FL3737_REG_COMMAND_WRITE_LOCK, IS31FL3737_COMMAND_WRITE_LOCK_MAGIC);
is31fl3737_select_page(addr, IS31FL3737_COMMAND_FUNCTION);
// Select PG3
is31fl3737_write_register(addr, IS31FL3737_REG_COMMAND, IS31FL3737_COMMAND_FUNCTION);
// Set de-ghost pull-up resistors (SWx)
is31fl3737_write_register(addr, IS31FL3737_FUNCTION_REG_SW_PULLUP, IS31FL3737_SW_PULLUP);
// Set de-ghost pull-down resistors (CSx)
@ -214,9 +210,7 @@ void is31fl3737_set_led_control_register(uint8_t index, bool value) {
void is31fl3737_update_pwm_buffers(uint8_t addr, uint8_t index) {
if (g_pwm_buffer_update_required[index]) {
// Firstly we need to unlock the command register and select PG1
is31fl3737_write_register(addr, IS31FL3737_REG_COMMAND_WRITE_LOCK, IS31FL3737_COMMAND_WRITE_LOCK_MAGIC);
is31fl3737_write_register(addr, IS31FL3737_REG_COMMAND, IS31FL3737_COMMAND_PWM);
is31fl3737_select_page(addr, IS31FL3737_COMMAND_PWM);
is31fl3737_write_pwm_buffer(addr, g_pwm_buffer[index]);
g_pwm_buffer_update_required[index] = false;
@ -225,9 +219,8 @@ void is31fl3737_update_pwm_buffers(uint8_t addr, uint8_t index) {
void is31fl3737_update_led_control_registers(uint8_t addr, uint8_t index) {
if (g_led_control_registers_update_required[index]) {
// Firstly we need to unlock the command register and select PG0
is31fl3737_write_register(addr, IS31FL3737_REG_COMMAND_WRITE_LOCK, IS31FL3737_COMMAND_WRITE_LOCK_MAGIC);
is31fl3737_write_register(addr, IS31FL3737_REG_COMMAND, IS31FL3737_COMMAND_LED_CONTROL);
is31fl3737_select_page(addr, IS31FL3737_COMMAND_LED_CONTROL);
for (int i = 0; i < IS31FL3737_LED_CONTROL_REGISTER_COUNT; i++) {
is31fl3737_write_register(addr, i, g_led_control_registers[index][i]);
}

1
drivers/led/issi/is31fl3737-simple.h
View file

@ -102,6 +102,7 @@ extern const is31fl3737_led_t PROGMEM g_is31fl3737_leds[IS31FL3737_LED_COUNT];
void is31fl3737_init_drivers(void);
void is31fl3737_init(uint8_t addr);
void is31fl3737_write_register(uint8_t addr, uint8_t reg, uint8_t data);
void is31fl3737_select_page(uint8_t addr, uint8_t page);
void is31fl3737_write_pwm_buffer(uint8_t addr, uint8_t *pwm_buffer);
void is31fl3737_set_value(int index, uint8_t value);

33
drivers/led/issi/is31fl3737.c
View file

@ -53,7 +53,7 @@
uint8_t g_twi_transfer_buffer[20];
// These buffers match the IS31FL3737 PWM registers.
// The control buffers match the PG0 LED On/Off registers.
// The control buffers match the page 0 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 is31fl3737_write_pwm_buffer() but it's
@ -78,8 +78,13 @@ void is31fl3737_write_register(uint8_t addr, uint8_t reg, uint8_t data) {
#endif
}
void is31fl3737_select_page(uint8_t addr, uint8_t page) {
is31fl3737_write_register(addr, IS31FL3737_REG_COMMAND_WRITE_LOCK, IS31FL3737_COMMAND_WRITE_LOCK_MAGIC);
is31fl3737_write_register(addr, IS31FL3737_REG_COMMAND, page);
}
void is31fl3737_write_pwm_buffer(uint8_t addr, uint8_t *pwm_buffer) {
// assumes PG1 is already selected
// assumes page 1 is already selected
// transmit PWM registers in 12 transfers of 16 bytes
// g_twi_transfer_buffer[] is 20 bytes
@ -138,32 +143,23 @@ void is31fl3737_init(uint8_t addr) {
// Set up the mode and other settings, clear the PWM registers,
// then disable software shutdown.
// Unlock the command register.
is31fl3737_write_register(addr, IS31FL3737_REG_COMMAND_WRITE_LOCK, IS31FL3737_COMMAND_WRITE_LOCK_MAGIC);
is31fl3737_select_page(addr, IS31FL3737_COMMAND_LED_CONTROL);
// Select PG0
is31fl3737_write_register(addr, IS31FL3737_REG_COMMAND, IS31FL3737_COMMAND_LED_CONTROL);
// Turn off all LEDs.
for (int i = 0; i < IS31FL3737_LED_CONTROL_REGISTER_COUNT; i++) {
is31fl3737_write_register(addr, i, 0x00);
}
// Unlock the command register.
is31fl3737_write_register(addr, IS31FL3737_REG_COMMAND_WRITE_LOCK, IS31FL3737_COMMAND_WRITE_LOCK_MAGIC);
is31fl3737_select_page(addr, IS31FL3737_COMMAND_PWM);
// Select PG1
is31fl3737_write_register(addr, IS31FL3737_REG_COMMAND, IS31FL3737_COMMAND_PWM);
// Set PWM on all LEDs to 0
// No need to setup Breath registers to PWM as that is the default.
for (int i = 0; i < IS31FL3737_PWM_REGISTER_COUNT; i++) {
is31fl3737_write_register(addr, i, 0x00);
}
// Unlock the command register.
is31fl3737_write_register(addr, IS31FL3737_REG_COMMAND_WRITE_LOCK, IS31FL3737_COMMAND_WRITE_LOCK_MAGIC);
is31fl3737_select_page(addr, IS31FL3737_COMMAND_FUNCTION);
// Select PG3
is31fl3737_write_register(addr, IS31FL3737_REG_COMMAND, IS31FL3737_COMMAND_FUNCTION);
// Set de-ghost pull-up resistors (SWx)
is31fl3737_write_register(addr, IS31FL3737_FUNCTION_REG_SW_PULLUP, IS31FL3737_SW_PULLUP);
// Set de-ghost pull-down resistors (CSx)
@ -230,9 +226,7 @@ void is31fl3737_set_led_control_register(uint8_t index, bool red, bool green, bo
void is31fl3737_update_pwm_buffers(uint8_t addr, uint8_t index) {
if (g_pwm_buffer_update_required[index]) {
// Firstly we need to unlock the command register and select PG1
is31fl3737_write_register(addr, IS31FL3737_REG_COMMAND_WRITE_LOCK, IS31FL3737_COMMAND_WRITE_LOCK_MAGIC);
is31fl3737_write_register(addr, IS31FL3737_REG_COMMAND, IS31FL3737_COMMAND_PWM);
is31fl3737_select_page(addr, IS31FL3737_COMMAND_PWM);
is31fl3737_write_pwm_buffer(addr, g_pwm_buffer[index]);
g_pwm_buffer_update_required[index] = false;
@ -241,9 +235,8 @@ void is31fl3737_update_pwm_buffers(uint8_t addr, uint8_t index) {
void is31fl3737_update_led_control_registers(uint8_t addr, uint8_t index) {
if (g_led_control_registers_update_required[index]) {
// Firstly we need to unlock the command register and select PG0
is31fl3737_write_register(addr, IS31FL3737_REG_COMMAND_WRITE_LOCK, IS31FL3737_COMMAND_WRITE_LOCK_MAGIC);
is31fl3737_write_register(addr, IS31FL3737_REG_COMMAND, IS31FL3737_COMMAND_LED_CONTROL);
is31fl3737_select_page(addr, IS31FL3737_COMMAND_LED_CONTROL);
for (int i = 0; i < IS31FL3737_LED_CONTROL_REGISTER_COUNT; i++) {
is31fl3737_write_register(addr, i, g_led_control_registers[index][i]);
}

1
drivers/led/issi/is31fl3737.h
View file

@ -119,6 +119,7 @@ extern const is31fl3737_led_t PROGMEM g_is31fl3737_leds[IS31FL3737_LED_COUNT];
void is31fl3737_init_drivers(void);
void is31fl3737_init(uint8_t addr);
void is31fl3737_write_register(uint8_t addr, uint8_t reg, uint8_t data);
void is31fl3737_select_page(uint8_t addr, uint8_t page);
void is31fl3737_write_pwm_buffer(uint8_t addr, uint8_t *pwm_buffer);
void is31fl3737_set_color(int index, uint8_t red, uint8_t green, uint8_t blue);

35
drivers/led/issi/is31fl3741-simple.c
View file

@ -56,7 +56,7 @@
uint8_t g_twi_transfer_buffer[20] = {0xFF};
// These buffers match the IS31FL3741 and IS31FL3741A PWM registers.
// The scaling buffers match the PG2 and PG3 LED On/Off registers.
// The scaling buffers match the page 2 and 3 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 is31fl3741_write_pwm_buffer() but it's
@ -80,14 +80,17 @@ void is31fl3741_write_register(uint8_t addr, uint8_t reg, uint8_t data) {
#endif
}
void is31fl3741_select_page(uint8_t addr, uint8_t page) {
is31fl3741_write_register(addr, IS31FL3741_REG_COMMAND_WRITE_LOCK, IS31FL3741_COMMAND_WRITE_LOCK_MAGIC);
is31fl3741_write_register(addr, IS31FL3741_REG_COMMAND, page);
}
bool is31fl3741_write_pwm_buffer(uint8_t addr, uint8_t *pwm_buffer) {
// Assume PG0 is already selected
// Assume page 0 is already selected
for (int i = 0; i < 342; i += 18) {
if (i == 180) {
// unlock the command register and select PG1
is31fl3741_write_register(addr, IS31FL3741_REG_COMMAND_WRITE_LOCK, IS31FL3741_COMMAND_WRITE_LOCK_MAGIC);
is31fl3741_write_register(addr, IS31FL3741_REG_COMMAND, IS31FL3741_COMMAND_PWM_1);
is31fl3741_select_page(addr, IS31FL3741_COMMAND_PWM_1);
}
g_twi_transfer_buffer[0] = i % 180;
@ -162,11 +165,7 @@ void is31fl3741_init(uint8_t addr) {
// then disable software shutdown.
// Unlock the command register.
// Unlock the command register.
is31fl3741_write_register(addr, IS31FL3741_REG_COMMAND_WRITE_LOCK, IS31FL3741_COMMAND_WRITE_LOCK_MAGIC);
// Select PG4
is31fl3741_write_register(addr, IS31FL3741_REG_COMMAND, IS31FL3741_COMMAND_FUNCTION);
is31fl3741_select_page(addr, IS31FL3741_COMMAND_FUNCTION);
// Set to Normal operation
is31fl3741_write_register(addr, IS31FL3741_FUNCTION_REG_CONFIGURATION, IS31FL3741_CONFIGURATION);
@ -218,9 +217,7 @@ void is31fl3741_set_led_control_register(uint8_t index, bool value) {
void is31fl3741_update_pwm_buffers(uint8_t addr, uint8_t index) {
if (g_pwm_buffer_update_required[index]) {
// unlock the command register and select PG2
is31fl3741_write_register(addr, IS31FL3741_REG_COMMAND_WRITE_LOCK, IS31FL3741_COMMAND_WRITE_LOCK_MAGIC);
is31fl3741_write_register(addr, IS31FL3741_REG_COMMAND, IS31FL3741_COMMAND_PWM_0);
is31fl3741_select_page(addr, IS31FL3741_COMMAND_PWM_0);
is31fl3741_write_pwm_buffer(addr, g_pwm_buffer[index]);
}
@ -236,20 +233,16 @@ void is31fl3741_set_pwm_buffer(const is31fl3741_led_t *pled, uint8_t value) {
void is31fl3741_update_led_control_registers(uint8_t addr, uint8_t index) {
if (g_scaling_registers_update_required[index]) {
// unlock the command register and select PG2
is31fl3741_write_register(addr, IS31FL3741_REG_COMMAND_WRITE_LOCK, IS31FL3741_COMMAND_WRITE_LOCK_MAGIC);
is31fl3741_write_register(addr, IS31FL3741_REG_COMMAND, IS31FL3741_COMMAND_SCALING_0);
is31fl3741_select_page(addr, IS31FL3741_COMMAND_SCALING_0);
// CS1_SW1 to CS30_SW6 are on PG2
// CS1_SW1 to CS30_SW6 are on page 2
for (int i = CS1_SW1; i <= CS30_SW6; ++i) {
is31fl3741_write_register(addr, i, g_scaling_registers[index][i]);
}
// unlock the command register and select PG3
is31fl3741_write_register(addr, IS31FL3741_REG_COMMAND_WRITE_LOCK, IS31FL3741_COMMAND_WRITE_LOCK_MAGIC);
is31fl3741_write_register(addr, IS31FL3741_REG_COMMAND, IS31FL3741_COMMAND_SCALING_1);
is31fl3741_select_page(addr, IS31FL3741_COMMAND_SCALING_1);
// CS1_SW7 to CS39_SW9 are on PG3
// CS1_SW7 to CS39_SW9 are on page 3
for (int i = CS1_SW7; i <= CS39_SW9; ++i) {
is31fl3741_write_register(addr, i - CS1_SW7, g_scaling_registers[index][i]);
}

1
drivers/led/issi/is31fl3741-simple.h
View file

@ -104,6 +104,7 @@ extern const is31fl3741_led_t PROGMEM g_is31fl3741_leds[IS31FL3741_LED_COUNT];
void is31fl3741_init_drivers(void);
void is31fl3741_init(uint8_t addr);
void is31fl3741_write_register(uint8_t addr, uint8_t reg, uint8_t data);
void is31fl3741_select_page(uint8_t addr, uint8_t page);
bool is31fl3741_write_pwm_buffer(uint8_t addr, uint8_t *pwm_buffer);
void is31fl3741_set_value(int index, uint8_t value);

35
drivers/led/issi/is31fl3741.c
View file

@ -56,7 +56,7 @@
uint8_t g_twi_transfer_buffer[20] = {0xFF};
// These buffers match the IS31FL3741 and IS31FL3741A PWM registers.
// The scaling buffers match the PG2 and PG3 LED On/Off registers.
// The scaling buffers match the page 2 and 3 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 is31fl3741_write_pwm_buffer() but it's
@ -80,14 +80,17 @@ void is31fl3741_write_register(uint8_t addr, uint8_t reg, uint8_t data) {
#endif
}
void is31fl3741_select_page(uint8_t addr, uint8_t page) {
is31fl3741_write_register(addr, IS31FL3741_REG_COMMAND_WRITE_LOCK, IS31FL3741_COMMAND_WRITE_LOCK_MAGIC);
is31fl3741_write_register(addr, IS31FL3741_REG_COMMAND, page);
}
bool is31fl3741_write_pwm_buffer(uint8_t addr, uint8_t *pwm_buffer) {
// Assume PG0 is already selected
// Assume page 0 is already selected
for (int i = 0; i < 342; i += 18) {
if (i == 180) {
// unlock the command register and select PG1
is31fl3741_write_register(addr, IS31FL3741_REG_COMMAND_WRITE_LOCK, IS31FL3741_COMMAND_WRITE_LOCK_MAGIC);
is31fl3741_write_register(addr, IS31FL3741_REG_COMMAND, IS31FL3741_COMMAND_PWM_1);
is31fl3741_select_page(addr, IS31FL3741_COMMAND_PWM_1);
}
g_twi_transfer_buffer[0] = i % 180;
@ -162,11 +165,7 @@ void is31fl3741_init(uint8_t addr) {
// then disable software shutdown.
// Unlock the command register.
// Unlock the command register.
is31fl3741_write_register(addr, IS31FL3741_REG_COMMAND_WRITE_LOCK, IS31FL3741_COMMAND_WRITE_LOCK_MAGIC);
// Select PG4
is31fl3741_write_register(addr, IS31FL3741_REG_COMMAND, IS31FL3741_COMMAND_FUNCTION);
is31fl3741_select_page(addr, IS31FL3741_COMMAND_FUNCTION);
// Set to Normal operation
is31fl3741_write_register(addr, IS31FL3741_FUNCTION_REG_CONFIGURATION, IS31FL3741_CONFIGURATION);
@ -232,9 +231,7 @@ void is31fl3741_set_led_control_register(uint8_t index, bool red, bool green, bo
void is31fl3741_update_pwm_buffers(uint8_t addr, uint8_t index) {
if (g_pwm_buffer_update_required[index]) {
// unlock the command register and select PG2
is31fl3741_write_register(addr, IS31FL3741_REG_COMMAND_WRITE_LOCK, IS31FL3741_COMMAND_WRITE_LOCK_MAGIC);
is31fl3741_write_register(addr, IS31FL3741_REG_COMMAND, IS31FL3741_COMMAND_PWM_0);
is31fl3741_select_page(addr, IS31FL3741_COMMAND_PWM_0);
is31fl3741_write_pwm_buffer(addr, g_pwm_buffer[index]);
}
@ -252,20 +249,16 @@ void is31fl3741_set_pwm_buffer(const is31fl3741_led_t *pled, uint8_t red, uint8_
void is31fl3741_update_led_control_registers(uint8_t addr, uint8_t index) {
if (g_scaling_registers_update_required[index]) {
// unlock the command register and select PG2
is31fl3741_write_register(addr, IS31FL3741_REG_COMMAND_WRITE_LOCK, IS31FL3741_COMMAND_WRITE_LOCK_MAGIC);
is31fl3741_write_register(addr, IS31FL3741_REG_COMMAND, IS31FL3741_COMMAND_SCALING_0);
is31fl3741_select_page(addr, IS31FL3741_COMMAND_SCALING_0);
// CS1_SW1 to CS30_SW6 are on PG2
// CS1_SW1 to CS30_SW6 are on page 2
for (int i = CS1_SW1; i <= CS30_SW6; ++i) {
is31fl3741_write_register(addr, i, g_scaling_registers[index][i]);
}
// unlock the command register and select PG3
is31fl3741_write_register(addr, IS31FL3741_REG_COMMAND_WRITE_LOCK, IS31FL3741_COMMAND_WRITE_LOCK_MAGIC);
is31fl3741_write_register(addr, IS31FL3741_REG_COMMAND, IS31FL3741_COMMAND_SCALING_1);
is31fl3741_select_page(addr, IS31FL3741_COMMAND_SCALING_1);
// CS1_SW7 to CS39_SW9 are on PG3
// CS1_SW7 to CS39_SW9 are on page 3
for (int i = CS1_SW7; i <= CS39_SW9; ++i) {
is31fl3741_write_register(addr, i - CS1_SW7, g_scaling_registers[index][i]);
}

1
drivers/led/issi/is31fl3741.h
View file

@ -121,6 +121,7 @@ extern const is31fl3741_led_t PROGMEM g_is31fl3741_leds[IS31FL3741_LED_COUNT];
void is31fl3741_init_drivers(void);
void is31fl3741_init(uint8_t addr);
void is31fl3741_write_register(uint8_t addr, uint8_t reg, uint8_t data);
void is31fl3741_select_page(uint8_t addr, uint8_t page);
bool is31fl3741_write_pwm_buffer(uint8_t addr, uint8_t *pwm_buffer);
void is31fl3741_set_color(int index, uint8_t red, uint8_t green, uint8_t blue);