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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

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);

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);

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) {

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);

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) {

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);

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]);
}

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);

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]);
}

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);

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]);
}

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);

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]);
}

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);

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]);
}

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);

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]);
}

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);

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]);
}

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);

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]);
}

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);

View file

@ -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

View file

@ -155,6 +155,7 @@ extern const snled27351_led_t PROGMEM g_snled27351_leds[SNLED27351_LED_COUNT];
void snled27351_init_drivers(void);
void snled27351_init(uint8_t addr);
void snled27351_select_page(uint8_t addr, uint8_t page);
bool snled27351_write_register(uint8_t addr, uint8_t reg, uint8_t data);
bool snled27351_write_pwm_buffer(uint8_t addr, uint8_t *pwm_buffer);

View file

@ -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.
@ -132,8 +136,8 @@ 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
@ -146,33 +150,34 @@ 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]);
}
// Enable LEDs ON/OFF
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, 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);
}
@ -230,7 +235,7 @@ void snled27351_set_led_control_register(uint8_t index, bool red, bool green, bo
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.
@ -243,7 +248,8 @@ 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]);
}
@ -265,15 +271,15 @@ 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

View file

@ -169,6 +169,7 @@ extern const snled27351_led_t PROGMEM g_snled27351_leds[SNLED27351_LED_COUNT];
void snled27351_init_drivers(void);
void snled27351_init(uint8_t addr);
void snled27351_select_page(uint8_t addr, uint8_t page);
bool snled27351_write_register(uint8_t addr, uint8_t reg, uint8_t data);
bool snled27351_write_pwm_buffer(uint8_t addr, uint8_t *pwm_buffer);

View file

@ -64,7 +64,7 @@
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
@ -94,8 +94,13 @@ bool is31fl3733_write_register(uint8_t index, uint8_t addr, uint8_t reg, uint8_t
return true;
}
void is31fl3733_select_page(uint8_t index, uint8_t addr, uint8_t page) {
is31fl3733_write_register(index, addr, IS31FL3733_REG_COMMAND_WRITE_LOCK, IS31FL3733_COMMAND_WRITE_LOCK_MAGIC);
is31fl3733_write_register(index, addr, IS31FL3733_REG_COMMAND, page);
}
bool is31fl3733_write_pwm_buffer(uint8_t index, 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
@ -150,32 +155,23 @@ void is31fl3733_init(uint8_t bus, 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(bus, addr, IS31FL3733_REG_COMMAND_WRITE_LOCK, IS31FL3733_COMMAND_WRITE_LOCK_MAGIC);
is31fl3733_select_page(bus, addr, IS31FL3733_COMMAND_LED_CONTROL);
// Select PG0
is31fl3733_write_register(bus, 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(bus, addr, i, 0x00);
}
// Unlock the command register.
is31fl3733_write_register(bus, addr, IS31FL3733_REG_COMMAND_WRITE_LOCK, IS31FL3733_COMMAND_WRITE_LOCK_MAGIC);
is31fl3733_select_page(bus, addr, IS31FL3733_COMMAND_PWM);
// Select PG1
is31fl3733_write_register(bus, 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(bus, addr, i, 0x00);
}
// Unlock the command register.
is31fl3733_write_register(bus, addr, IS31FL3733_REG_COMMAND_WRITE_LOCK, IS31FL3733_COMMAND_WRITE_LOCK_MAGIC);
is31fl3733_select_page(bus, addr, IS31FL3733_COMMAND_FUNCTION);
// Select PG3
is31fl3733_write_register(bus, addr, IS31FL3733_REG_COMMAND, IS31FL3733_COMMAND_FUNCTION);
// Set de-ghost pull-up resistors (SWx)
is31fl3733_write_register(bus, addr, IS31FL3733_FUNCTION_REG_SW_PULLUP, IS31FL3733_SW_PULLUP);
// Set de-ghost pull-down resistors (CSx)
@ -242,11 +238,9 @@ 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(index, addr, IS31FL3733_REG_COMMAND_WRITE_LOCK, IS31FL3733_COMMAND_WRITE_LOCK_MAGIC);
is31fl3733_write_register(index, addr, IS31FL3733_REG_COMMAND, IS31FL3733_COMMAND_PWM);
is31fl3733_select_page(index, 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(index, addr, g_pwm_buffer[index])) {
g_led_control_registers_update_required[index] = true;
@ -257,9 +251,8 @@ 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(index, addr, IS31FL3733_REG_COMMAND_WRITE_LOCK, IS31FL3733_COMMAND_WRITE_LOCK_MAGIC);
is31fl3733_write_register(index, addr, IS31FL3733_REG_COMMAND, IS31FL3733_COMMAND_LED_CONTROL);
is31fl3733_select_page(index, addr, IS31FL3733_COMMAND_LED_CONTROL);
for (int i = 0; i < IS31FL3733_LED_CONTROL_REGISTER_COUNT; i++) {
is31fl3733_write_register(index, addr, i, g_led_control_registers[index][i]);
}

View file

@ -70,6 +70,7 @@ extern const is31fl3733_led_t PROGMEM g_is31fl3733_leds[IS31FL3733_LED_COUNT];
void is31fl3733_init_drivers(void);
void is31fl3733_init(uint8_t bus, uint8_t addr, uint8_t sync);
bool is31fl3733_write_register(uint8_t index, uint8_t addr, uint8_t reg, uint8_t data);
void is31fl3733_select_page(uint8_t index, uint8_t addr, uint8_t page);
bool is31fl3733_write_pwm_buffer(uint8_t index, uint8_t addr, uint8_t *pwm_buffer);
void is31fl3733_set_color(int index, uint8_t red, uint8_t green, uint8_t blue);

View file

@ -16,37 +16,5 @@
#pragma once
#ifdef RGB_MATRIX_ENABLE
// # define RGB_MATRIX_FRAMEBUFFER_EFFECTS
// # define RGB_MATRIX_KEYPRESSES
# define RGB_MATRIX_DEFAULT_MODE RGB_MATRIX_RAINDROPS
// # define DEBUG_MATRIX_SCAN_RATE
# define RGB_MATRIX_LED_FLUSH_LIMIT 100
// # define RGB_MATRIX_LED_PROCESS_LIMIT 2
// i2c_master defines
# define I2C_COUNT 2
# define I2C1_BANK GPIOB
# define I2C1_SCL 0 // A2 on pinout = B0
# define I2C1_SDA 1 // A2 on pinout = B1
# define I2C1_SCL_PAL_MODE PAL_MODE_ALTERNATIVE_2
# define I2C1_SDA_PAL_MODE PAL_MODE_ALTERNATIVE_2
# define USE_I2C2
# define I2C2_BANK GPIOC
# define I2C2_SCL 10 // A2 on pinout = C10
# define I2C2_SDA 11 // A2 on pinout = C11
# define I2C2_SCL_PAL_MODE PAL_MODE_ALTERNATIVE_2
# define I2C2_SDA_PAL_MODE PAL_MODE_ALTERNATIVE_2
# define DRIVER_ADDR_1 0b1010000
# define DRIVER_ADDR_2 0b1010000
# define DRIVER_COUNT 2
# define DRIVER_1_LED_TOTAL 64
# define DRIVER_2_LED_TOTAL 55
# define RGB_MATRIX_LED_COUNT (DRIVER_1_LED_TOTAL + DRIVER_2_LED_TOTAL)
#endif
#define RGB_MATRIX_DEFAULT_MODE RGB_MATRIX_RAINDROPS
#define RGB_MATRIX_LED_FLUSH_LIMIT 100