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-rw-r--r--quantum/backlight/backlight.c49
1 files changed, 4 insertions, 45 deletions
diff --git a/quantum/backlight/backlight.c b/quantum/backlight/backlight.c
index 4a0eac64c..34dd8cbdb 100644
--- a/quantum/backlight/backlight.c
+++ b/quantum/backlight/backlight.c
@@ -20,6 +20,10 @@ along with this program. If not, see <http://www.gnu.org/licenses/>.
20#include "eeconfig.h" 20#include "eeconfig.h"
21#include "debug.h" 21#include "debug.h"
22 22
23#if defined(STM32F0XX) || defined(STM32F0xx)
24# pragma message("Backlight support for STMF072 has had limited testing, YMMV. If unsure, set 'BACKLIGHT_ENABLE = no' in your rules.mk")
25#endif
26
23backlight_config_t backlight_config; 27backlight_config_t backlight_config;
24 28
25#ifdef BACKLIGHT_BREATHING 29#ifdef BACKLIGHT_BREATHING
@@ -27,51 +31,6 @@ backlight_config_t backlight_config;
27static uint8_t breathing_period = BREATHING_PERIOD; 31static uint8_t breathing_period = BREATHING_PERIOD;
28#endif 32#endif
29 33
30#ifndef BACKLIGHT_CUSTOM_DRIVER
31# if defined(BACKLIGHT_PINS)
32static const pin_t backlight_pins[] = BACKLIGHT_PINS;
33# ifndef BACKLIGHT_LED_COUNT
34# define BACKLIGHT_LED_COUNT (sizeof(backlight_pins) / sizeof(pin_t))
35# endif
36
37# define FOR_EACH_LED(x) \
38 for (uint8_t i = 0; i < BACKLIGHT_LED_COUNT; i++) { \
39 pin_t backlight_pin = backlight_pins[i]; \
40 { x } \
41 }
42# else
43// we support only one backlight pin
44static const pin_t backlight_pin = BACKLIGHT_PIN;
45# define FOR_EACH_LED(x) x
46# endif
47
48static inline void backlight_on(pin_t backlight_pin) {
49# if BACKLIGHT_ON_STATE == 0
50 writePinLow(backlight_pin);
51# else
52 writePinHigh(backlight_pin);
53# endif
54}
55
56static inline void backlight_off(pin_t backlight_pin) {
57# if BACKLIGHT_ON_STATE == 0
58 writePinHigh(backlight_pin);
59# else
60 writePinLow(backlight_pin);
61# endif
62}
63
64void backlight_pins_init(void) {
65 // Setup backlight pin as output and output to off state.
66 FOR_EACH_LED(setPinOutput(backlight_pin); backlight_off(backlight_pin);)
67}
68
69void backlight_pins_on(void) { FOR_EACH_LED(backlight_on(backlight_pin);) }
70
71void backlight_pins_off(void) { FOR_EACH_LED(backlight_off(backlight_pin);) }
72
73#endif
74
75/** \brief Backlight initialization 34/** \brief Backlight initialization
76 * 35 *
77 * FIXME: needs doc 36 * FIXME: needs doc