diff options
Diffstat (limited to 'drivers/led/issi/is31fl3737.c')
| -rw-r--r-- | drivers/led/issi/is31fl3737.c | 48 |
1 files changed, 16 insertions, 32 deletions
diff --git a/drivers/led/issi/is31fl3737.c b/drivers/led/issi/is31fl3737.c index 27860558a5..a458431952 100644 --- a/drivers/led/issi/is31fl3737.c +++ b/drivers/led/issi/is31fl3737.c @@ -22,22 +22,6 @@ #include "i2c_master.h" #include "wait.h" -#define IS31FL3737_COMMANDREGISTER 0xFD -#define IS31FL3737_COMMANDREGISTER_WRITELOCK 0xFE -#define IS31FL3737_INTERRUPTMASKREGISTER 0xF0 -#define IS31FL3737_INTERRUPTSTATUSREGISTER 0xF1 - -#define IS31FL3737_PAGE_LEDCONTROL 0x00 // PG0 -#define IS31FL3737_PAGE_PWM 0x01 // PG1 -#define IS31FL3737_PAGE_AUTOBREATH 0x02 // PG2 -#define IS31FL3737_PAGE_FUNCTION 0x03 // PG3 - -#define IS31FL3737_REG_CONFIGURATION 0x00 // PG3 -#define IS31FL3737_REG_GLOBALCURRENT 0x01 // PG3 -#define IS31FL3737_REG_RESET 0x11 // PG3 -#define IS31FL3737_REG_SW_PULLUP 0x0F // PG3 -#define IS31FL3737_REG_CS_PULLDOWN 0x10 // PG3 - #define IS31FL3737_PWM_REGISTER_COUNT 192 // actually 144 #define IS31FL3737_LED_CONTROL_REGISTER_COUNT 24 @@ -61,8 +45,8 @@ # define IS31FL3737_CS_PULLDOWN IS31FL3737_PDR_0_OHM #endif -#ifndef IS31FL3737_GLOBALCURRENT -# define IS31FL3737_GLOBALCURRENT 0xFF +#ifndef IS31FL3737_GLOBAL_CURRENT +# define IS31FL3737_GLOBAL_CURRENT 0xFF #endif // Transfer buffer for TWITransmitData() @@ -155,20 +139,20 @@ void is31fl3737_init(uint8_t addr) { // then disable software shutdown. // Unlock the command register. - is31fl3737_write_register(addr, IS31FL3737_COMMANDREGISTER_WRITELOCK, 0xC5); + is31fl3737_write_register(addr, IS31FL3737_REG_COMMAND_WRITE_LOCK, IS31FL3737_COMMAND_WRITE_LOCK_MAGIC); // Select PG0 - is31fl3737_write_register(addr, IS31FL3737_COMMANDREGISTER, IS31FL3737_PAGE_LEDCONTROL); + 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_COMMANDREGISTER_WRITELOCK, 0xC5); + is31fl3737_write_register(addr, IS31FL3737_REG_COMMAND_WRITE_LOCK, IS31FL3737_COMMAND_WRITE_LOCK_MAGIC); // Select PG1 - is31fl3737_write_register(addr, IS31FL3737_COMMANDREGISTER, IS31FL3737_PAGE_PWM); + 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++) { @@ -176,18 +160,18 @@ void is31fl3737_init(uint8_t addr) { } // Unlock the command register. - is31fl3737_write_register(addr, IS31FL3737_COMMANDREGISTER_WRITELOCK, 0xC5); + is31fl3737_write_register(addr, IS31FL3737_REG_COMMAND_WRITE_LOCK, IS31FL3737_COMMAND_WRITE_LOCK_MAGIC); // Select PG3 - is31fl3737_write_register(addr, IS31FL3737_COMMANDREGISTER, IS31FL3737_PAGE_FUNCTION); + is31fl3737_write_register(addr, IS31FL3737_REG_COMMAND, IS31FL3737_COMMAND_FUNCTION); // Set de-ghost pull-up resistors (SWx) - is31fl3737_write_register(addr, IS31FL3737_REG_SW_PULLUP, IS31FL3737_SW_PULLUP); + is31fl3737_write_register(addr, IS31FL3737_FUNCTION_REG_SW_PULLUP, IS31FL3737_SW_PULLUP); // Set de-ghost pull-down resistors (CSx) - is31fl3737_write_register(addr, IS31FL3737_REG_CS_PULLDOWN, IS31FL3737_CS_PULLDOWN); + is31fl3737_write_register(addr, IS31FL3737_FUNCTION_REG_CS_PULLDOWN, IS31FL3737_CS_PULLDOWN); // Set global current to maximum. - is31fl3737_write_register(addr, IS31FL3737_REG_GLOBALCURRENT, IS31FL3737_GLOBALCURRENT); + is31fl3737_write_register(addr, IS31FL3737_FUNCTION_REG_GLOBAL_CURRENT, IS31FL3737_GLOBAL_CURRENT); // Disable software shutdown. - is31fl3737_write_register(addr, IS31FL3737_REG_CONFIGURATION, ((IS31FL3737_PWM_FREQUENCY & 0b111) << 3) | 0x01); + is31fl3737_write_register(addr, IS31FL3737_FUNCTION_REG_CONFIGURATION, ((IS31FL3737_PWM_FREQUENCY & 0b111) << 3) | 0x01); // Wait 10ms to ensure the device has woken up. wait_ms(10); @@ -247,8 +231,8 @@ 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_COMMANDREGISTER_WRITELOCK, 0xC5); - is31fl3737_write_register(addr, IS31FL3737_COMMANDREGISTER, IS31FL3737_PAGE_PWM); + 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_write_pwm_buffer(addr, g_pwm_buffer[index]); g_pwm_buffer_update_required[index] = false; @@ -258,8 +242,8 @@ 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_COMMANDREGISTER_WRITELOCK, 0xC5); - is31fl3737_write_register(addr, IS31FL3737_COMMANDREGISTER, IS31FL3737_PAGE_LEDCONTROL); + 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); for (int i = 0; i < IS31FL3737_LED_CONTROL_REGISTER_COUNT; i++) { is31fl3737_write_register(addr, i, g_led_control_registers[index][i]); } |