diff options
Diffstat (limited to 'drivers/issi/is31fl3733.c')
| -rw-r--r-- | drivers/issi/is31fl3733.c | 38 |
1 files changed, 19 insertions, 19 deletions
diff --git a/drivers/issi/is31fl3733.c b/drivers/issi/is31fl3733.c index c18ed7ca3..aa247f4e8 100644 --- a/drivers/issi/is31fl3733.c +++ b/drivers/issi/is31fl3733.c @@ -75,10 +75,10 @@ uint8_t g_twi_transfer_buffer[20]; // buffers and the transfers in IS31FL3733_write_pwm_buffer() but it's // probably not worth the extra complexity. uint8_t g_pwm_buffer[DRIVER_COUNT][192]; -bool g_pwm_buffer_update_required = false; +bool g_pwm_buffer_update_required[DRIVER_COUNT] = { false }; uint8_t g_led_control_registers[DRIVER_COUNT][24] = { { 0 }, { 0 } }; -bool g_led_control_registers_update_required = false; +bool g_led_control_registers_update_required[DRIVER_COUNT] = { false }; void IS31FL3733_write_register( uint8_t addr, uint8_t reg, uint8_t data ) { @@ -123,12 +123,13 @@ void IS31FL3733_write_pwm_buffer( uint8_t addr, uint8_t *pwm_buffer ) } } -void IS31FL3733_init( uint8_t addr ) +void IS31FL3733_init( uint8_t addr, uint8_t sync) { // In order to avoid the LEDs being driven with garbage data // in the LED driver's PWM registers, shutdown is enabled last. // Set up the mode and other settings, clear the PWM registers, // then disable software shutdown. + // Sync is passed so set it according to the datasheet. // Unlock the command register. IS31FL3733_write_register( addr, ISSI_COMMANDREGISTER_WRITELOCK, 0xC5 ); @@ -161,7 +162,7 @@ void IS31FL3733_init( uint8_t addr ) // Set global current to maximum. IS31FL3733_write_register( addr, ISSI_REG_GLOBALCURRENT, 0xFF ); // Disable software shutdown. - IS31FL3733_write_register( addr, ISSI_REG_CONFIGURATION, 0x01 ); + IS31FL3733_write_register( addr, ISSI_REG_CONFIGURATION, (sync << 6) | 0x01 ); // Wait 10ms to ensure the device has woken up. #ifdef __AVR__ @@ -179,7 +180,7 @@ void IS31FL3733_set_color( int index, uint8_t red, uint8_t green, uint8_t blue ) g_pwm_buffer[led.driver][led.r] = red; g_pwm_buffer[led.driver][led.g] = green; g_pwm_buffer[led.driver][led.b] = blue; - g_pwm_buffer_update_required = true; + g_pwm_buffer_update_required[led.driver] = true; } } @@ -218,35 +219,34 @@ void IS31FL3733_set_led_control_register( uint8_t index, bool red, bool green, b g_led_control_registers[led.driver][control_register_b] &= ~(1 << bit_b); } - g_led_control_registers_update_required = true; + g_led_control_registers_update_required[led.driver] = true; } -void IS31FL3733_update_pwm_buffers( uint8_t addr1, uint8_t addr2 ) +void IS31FL3733_update_pwm_buffers( uint8_t addr, uint8_t index ) { - if ( g_pwm_buffer_update_required ) + if ( g_pwm_buffer_update_required[index] ) { // Firstly we need to unlock the command register and select PG1 - IS31FL3733_write_register( addr1, ISSI_COMMANDREGISTER_WRITELOCK, 0xC5 ); - IS31FL3733_write_register( addr1, ISSI_COMMANDREGISTER, ISSI_PAGE_PWM ); + IS31FL3733_write_register( addr, ISSI_COMMANDREGISTER_WRITELOCK, 0xC5 ); + IS31FL3733_write_register( addr, ISSI_COMMANDREGISTER, ISSI_PAGE_PWM ); - IS31FL3733_write_pwm_buffer( addr1, g_pwm_buffer[0] ); - //IS31FL3733_write_pwm_buffer( addr2, g_pwm_buffer[1] ); + IS31FL3733_write_pwm_buffer( addr, g_pwm_buffer[index] ); } - g_pwm_buffer_update_required = false; + g_pwm_buffer_update_required[index] = false; } -void IS31FL3733_update_led_control_registers( uint8_t addr1, uint8_t addr2 ) +void IS31FL3733_update_led_control_registers( uint8_t addr, uint8_t index ) { - if ( g_led_control_registers_update_required ) + if ( g_led_control_registers_update_required[index] ) { // Firstly we need to unlock the command register and select PG0 - IS31FL3733_write_register( addr1, ISSI_COMMANDREGISTER_WRITELOCK, 0xC5 ); - IS31FL3733_write_register( addr1, ISSI_COMMANDREGISTER, ISSI_PAGE_LEDCONTROL ); + IS31FL3733_write_register( addr, ISSI_COMMANDREGISTER_WRITELOCK, 0xC5 ); + IS31FL3733_write_register( addr, ISSI_COMMANDREGISTER, ISSI_PAGE_LEDCONTROL ); for ( int i=0; i<24; i++ ) { - IS31FL3733_write_register(addr1, i, g_led_control_registers[0][i] ); - //IS31FL3733_write_register(addr2, i, g_led_control_registers[1][i] ); + IS31FL3733_write_register(addr, i, g_led_control_registers[index][i] ); } } + g_led_control_registers_update_required[index] = false; } |