diff options
Diffstat (limited to 'drivers/led/issi/is31fl3731-simple.c')
| -rw-r--r-- | drivers/led/issi/is31fl3731-simple.c | 21 |
1 files changed, 11 insertions, 10 deletions
diff --git a/drivers/led/issi/is31fl3731-simple.c b/drivers/led/issi/is31fl3731-simple.c index 8dbfc3cd31..563d377633 100644 --- a/drivers/led/issi/is31fl3731-simple.c +++ b/drivers/led/issi/is31fl3731-simple.c @@ -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) { |