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-rw-r--r--quantum/backlight/backlight.c58
1 files changed, 57 insertions, 1 deletions
diff --git a/quantum/backlight/backlight.c b/quantum/backlight/backlight.c
index 4aa74667d..4a0eac64c 100644
--- a/quantum/backlight/backlight.c
+++ b/quantum/backlight/backlight.c
@@ -15,14 +15,62 @@ You should have received a copy of the GNU General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
+#include "quantum.h"
#include "backlight.h"
#include "eeconfig.h"
#include "debug.h"
backlight_config_t backlight_config;
+#ifdef BACKLIGHT_BREATHING
// TODO: migrate to backlight_config_t
static uint8_t breathing_period = BREATHING_PERIOD;
+#endif
+
+#ifndef BACKLIGHT_CUSTOM_DRIVER
+# 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);) }
+
+#endif
/** \brief Backlight initialization
*
@@ -205,7 +253,6 @@ void backlight_disable_breathing(void) {
* FIXME: needs doc
*/
bool is_backlight_breathing(void) { return backlight_config.breathing; }
-#endif
// following are marked as weak purely for backwards compatibility
__attribute__((weak)) void breathing_period_set(uint8_t value) { breathing_period = value ? value : 1; }
@@ -218,6 +265,15 @@ __attribute__((weak)) void breathing_period_inc(void) { breathing_period_set(bre
__attribute__((weak)) void breathing_period_dec(void) { breathing_period_set(breathing_period - 1); }
+__attribute__((weak)) void breathing_toggle(void) {
+ if (is_breathing())
+ breathing_disable();
+ else
+ breathing_enable();
+}
+
+#endif
+
// defaults for backlight api
__attribute__((weak)) void backlight_init_ports(void) {}