diff options
Diffstat (limited to 'drivers/led/aw20216s.c')
| -rw-r--r-- | drivers/led/aw20216s.c | 47 |
1 files changed, 12 insertions, 35 deletions
diff --git a/drivers/led/aw20216s.c b/drivers/led/aw20216s.c index 8f3ebec510..ab7f3ccb42 100644 --- a/drivers/led/aw20216s.c +++ b/drivers/led/aw20216s.c @@ -19,39 +19,16 @@ #include "wait.h" #include "spi_master.h" -/* The AW20216S appears to be somewhat similar to the IS31FL743, although quite - * a few things are different, such as the command byte format and page ordering. - * The LED addresses start from 0x00 instead of 0x01. - */ -#define AW20216S_ID 0b1010 << 4 - -#define AW20216S_PAGE_FUNCTION 0x00 << 1 // PG0, Function registers -#define AW20216S_PAGE_PWM 0x01 << 1 // PG1, LED PWM control -#define AW20216S_PAGE_SCALING 0x02 << 1 // PG2, LED current scaling control -#define AW20216S_PAGE_PATCHOICE 0x03 << 1 // PG3, Pattern choice? -#define AW20216S_PAGE_PWMSCALING 0x04 << 1 // PG4, LED PWM + Scaling control? - -#define AW20216S_WRITE 0 -#define AW20216S_READ 1 - -#define AW20216S_REG_CONFIGURATION 0x00 // PG0 -#define AW20216S_REG_GLOBALCURRENT 0x01 // PG0 -#define AW20216S_REG_RESET 0x2F // PG0 -#define AW20216S_REG_MIXFUNCTION 0x46 // PG0 - -// Default value of AW20216S_REG_CONFIGURATION -// D7:D4 = 1011, SWSEL (SW1~SW12 active) -// D3 = 0?, reserved (apparently this should be 1 but it doesn't seem to matter) -// D2:D1 = 00, OSDE (open/short detection enable) -// D0 = 0, CHIPEN (write 1 to enable LEDs when hardware enable pulled high) -#define AW20216S_CONFIG_DEFAULT 0b10110000 -#define AW20216S_MIXCR_DEFAULT 0b00000000 -#define AW20216S_RESET_CMD 0xAE -#define AW20216S_CHIPEN 1 -#define AW20216S_LPEN (0x01 << 1) - #define AW20216S_PWM_REGISTER_COUNT 216 +#ifndef AW20216S_CONFIGURATION +# define AW20216S_CONFIGURATION (AW20216S_CONFIGURATION_SWSEL_1_12 | AW20216S_CONFIGURATION_CHIPEN) +#endif + +#ifndef AW20216S_MIX_FUNCTION +# define AW20216S_MIX_FUNCTION (AW20216S_MIX_FUNCTION_LPEN) +#endif + #ifndef AW20216S_SCALING_MAX # define AW20216S_SCALING_MAX 150 #endif @@ -102,7 +79,7 @@ static inline bool aw20216s_write_register(pin_t cs_pin, uint8_t page, uint8_t r } void aw20216s_soft_reset(pin_t cs_pin) { - aw20216s_write_register(cs_pin, AW20216S_PAGE_FUNCTION, AW20216S_REG_RESET, AW20216S_RESET_CMD); + aw20216s_write_register(cs_pin, AW20216S_PAGE_FUNCTION, AW20216S_FUNCTION_REG_RESET, AW20216S_RESET_MAGIC); } static void aw20216s_init_scaling(pin_t cs_pin) { @@ -114,16 +91,16 @@ static void aw20216s_init_scaling(pin_t cs_pin) { static inline void aw20216s_init_current_limit(pin_t cs_pin) { // Push config - aw20216s_write_register(cs_pin, AW20216S_PAGE_FUNCTION, AW20216S_REG_GLOBALCURRENT, AW20216S_GLOBAL_CURRENT_MAX); + aw20216s_write_register(cs_pin, AW20216S_PAGE_FUNCTION, AW20216S_FUNCTION_REG_GLOBAL_CURRENT, AW20216S_GLOBAL_CURRENT_MAX); } static inline void aw20216s_soft_enable(pin_t cs_pin) { // Push config - aw20216s_write_register(cs_pin, AW20216S_PAGE_FUNCTION, AW20216S_REG_CONFIGURATION, AW20216S_CONFIG_DEFAULT | AW20216S_CHIPEN); + aw20216s_write_register(cs_pin, AW20216S_PAGE_FUNCTION, AW20216S_FUNCTION_REG_CONFIGURATION, AW20216S_CONFIGURATION); } static inline void aw20216s_auto_lowpower(pin_t cs_pin) { - aw20216s_write_register(cs_pin, AW20216S_PAGE_FUNCTION, AW20216S_REG_MIXFUNCTION, AW20216S_MIXCR_DEFAULT | AW20216S_LPEN); + aw20216s_write_register(cs_pin, AW20216S_PAGE_FUNCTION, AW20216S_FUNCTION_REG_MIX_FUNCTION, AW20216S_MIX_FUNCTION); } void aw20216s_init_drivers(void) { |