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author | Joel Challis <[email protected]> | 2020-03-07 12:09:49 +0000 |
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committer | GitHub <[email protected]> | 2020-03-07 12:09:49 +0000 |
commit | 3a303bd2aec57fd2d4d0f6d3e5583d746367d6e1 (patch) | |
tree | 8ab57281f90be800b6e3556e2705ffbcabf1494c /quantum/backlight/backlight_driver_common.c | |
parent | d7ba0ad684a18c07952963427ca89a8e8e7e1903 (diff) | |
download | qmk_firmware-3a303bd2aec57fd2d4d0f6d3e5583d746367d6e1.tar.gz qmk_firmware-3a303bd2aec57fd2d4d0f6d3e5583d746367d6e1.zip |
Backlight - Carve out a better location for private driver functionality (#8329)0.8.20
* rename backlight_soft to match rules.mk
* rename backlight_soft to match rules.mk - update common_features
* Carve out a better location for private driver backlight functionality
Diffstat (limited to 'quantum/backlight/backlight_driver_common.c')
-rw-r--r-- | quantum/backlight/backlight_driver_common.c | 49 |
1 files changed, 49 insertions, 0 deletions
diff --git a/quantum/backlight/backlight_driver_common.c b/quantum/backlight/backlight_driver_common.c new file mode 100644 index 0000000000..270a43c67e --- /dev/null +++ b/quantum/backlight/backlight_driver_common.c @@ -0,0 +1,49 @@ +#include "quantum.h" +#include "backlight.h" +#include "backlight_driver_common.h" + +#if !defined(BACKLIGHT_PIN) && !defined(BACKLIGHT_PINS) +# error "Backlight pin/pins not defined. Please configure." +#endif + +#if defined(BACKLIGHT_PINS) +static const pin_t backlight_pins[] = BACKLIGHT_PINS; +# ifndef BACKLIGHT_LED_COUNT +# define BACKLIGHT_LED_COUNT (sizeof(backlight_pins) / sizeof(pin_t)) +# endif + +# define FOR_EACH_LED(x) \ + for (uint8_t i = 0; i < BACKLIGHT_LED_COUNT; i++) { \ + pin_t backlight_pin = backlight_pins[i]; \ + { x } \ + } +#else +// we support only one backlight pin +static const pin_t backlight_pin = BACKLIGHT_PIN; +# define FOR_EACH_LED(x) x +#endif + +static inline void backlight_on(pin_t backlight_pin) { +#if BACKLIGHT_ON_STATE == 0 + writePinLow(backlight_pin); +#else + writePinHigh(backlight_pin); +#endif +} + +static inline void backlight_off(pin_t backlight_pin) { +#if BACKLIGHT_ON_STATE == 0 + writePinHigh(backlight_pin); +#else + writePinLow(backlight_pin); +#endif +} + +void backlight_pins_init(void) { + // Setup backlight pin as output and output to off state. + FOR_EACH_LED(setPinOutput(backlight_pin); backlight_off(backlight_pin);) +} + +void backlight_pins_on(void) { FOR_EACH_LED(backlight_on(backlight_pin);) } + +void backlight_pins_off(void) { FOR_EACH_LED(backlight_off(backlight_pin);) } |