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| author | Jack Humbert <jack.humb@gmail.com> | 2017-02-12 17:29:42 +0100 |
|---|---|---|
| committer | Jack Humbert <jack.humb@gmail.com> | 2017-02-12 17:29:42 +0100 |
| commit | 8d0fdf10086a0e8a1615f0521fccf1f5a2806497 (patch) | |
| tree | a64c77717d4b4cc7ffe08a6cdfc7e8091bd3c32a /quantum/quantum.c | |
| parent | a0c2305bd1153d9d578d73effd33896c2dbc26c8 (diff) | |
| download | qmk_firmware-8d0fdf10086a0e8a1615f0521fccf1f5a2806497.tar.gz qmk_firmware-8d0fdf10086a0e8a1615f0521fccf1f5a2806497.tar.xz | |
adds soft pwm for non-timed ports
Diffstat (limited to 'quantum/quantum.c')
| -rw-r--r-- | quantum/quantum.c | 59 |
1 files changed, 45 insertions, 14 deletions
diff --git a/quantum/quantum.c b/quantum/quantum.c index 45ea8cb73..95f06d95d 100644 --- a/quantum/quantum.c +++ b/quantum/quantum.c @@ -7,6 +7,9 @@ #define TAPPING_TERM 200 #endif +#include "backlight.h" +extern backlight_config_t backlight_config; + static void do_code16 (uint16_t code, void (*f) (uint8_t)) { switch (code) { case QK_MODS ... QK_MODS_MAX: @@ -577,6 +580,10 @@ void matrix_scan_quantum() { matrix_scan_combo(); #endif + #if defined(BACKLIGHT_ENABLE) && defined(BACKLIGHT_PIN) + backlight_task(); + #endif + matrix_scan_kb(); } @@ -644,13 +651,13 @@ __attribute__ ((weak)) void backlight_set(uint8_t level) { // Prevent backlight blink on lowest level - #if BACKLIGHT_ON_STATE == 0 - // PORTx &= ~n - _SFR_IO8((backlight_pin >> 4) + 2) &= ~_BV(backlight_pin & 0xF); - #else - // PORTx |= n - _SFR_IO8((backlight_pin >> 4) + 2) |= _BV(backlight_pin & 0xF); - #endif + // #if BACKLIGHT_ON_STATE == 0 + // // PORTx &= ~n + // _SFR_IO8((backlight_pin >> 4) + 2) &= ~_BV(backlight_pin & 0xF); + // #else + // // PORTx |= n + // _SFR_IO8((backlight_pin >> 4) + 2) |= _BV(backlight_pin & 0xF); + // #endif if ( level == 0 ) { #ifndef NO_BACKLIGHT_CLOCK @@ -658,13 +665,13 @@ void backlight_set(uint8_t level) TCCR1A &= ~(_BV(COM1x1)); OCR1x = 0x0; #else - #if BACKLIGHT_ON_STATE == 0 - // PORTx |= n - _SFR_IO8((backlight_pin >> 4) + 2) |= _BV(backlight_pin & 0xF); - #else - // PORTx &= ~n - _SFR_IO8((backlight_pin >> 4) + 2) &= ~_BV(backlight_pin & 0xF); - #endif + // #if BACKLIGHT_ON_STATE == 0 + // // PORTx |= n + // _SFR_IO8((backlight_pin >> 4) + 2) |= _BV(backlight_pin & 0xF); + // #else + // // PORTx &= ~n + // _SFR_IO8((backlight_pin >> 4) + 2) &= ~_BV(backlight_pin & 0xF); + // #endif #endif } #ifndef NO_BACKLIGHT_CLOCK @@ -687,6 +694,30 @@ void backlight_set(uint8_t level) #endif } +uint8_t backlight_tick = 0; + +void backlight_task(void) { + #ifdef NO_BACKLIGHT_CLOCK + if ((0xFFFF >> ((BACKLIGHT_LEVELS - backlight_config.level) * ((BACKLIGHT_LEVELS + 1) / 2))) & (1 << backlight_tick)) { + #if BACKLIGHT_ON_STATE == 0 + // PORTx &= ~n + _SFR_IO8((backlight_pin >> 4) + 2) &= ~_BV(backlight_pin & 0xF); + #else + // PORTx |= n + _SFR_IO8((backlight_pin >> 4) + 2) |= _BV(backlight_pin & 0xF); + #endif + } else { + #if BACKLIGHT_ON_STATE == 0 + // PORTx |= n + _SFR_IO8((backlight_pin >> 4) + 2) |= _BV(backlight_pin & 0xF); + #else + // PORTx &= ~n + _SFR_IO8((backlight_pin >> 4) + 2) &= ~_BV(backlight_pin & 0xF); + #endif + } + backlight_tick = (backlight_tick + 1) % 16; + #endif +} #ifdef BACKLIGHT_BREATHING |