ahoneybun/qmk_firmware
1
0
Fork 0
Code Issues Pull requests Projects Releases Packages Wiki Activity Actions

Merge remote-tracking branch 'origin/master' into develop

Browse source
This commit is contained in:
QMK Bot 2021-02-08 21:33:45 +00:00
commit 39ed48f7a7
1 changed files with 17 additions and 21 deletions
Download patch file Download diff file Expand all files Collapse all files

38
drivers/avr/ws2812.c
View file

@ -67,19 +67,27 @@ void ws2812_setleds(LED_TYPE *ledarray, uint16_t number_of_leds) {
#define w_onecycles (((F_CPU / 1000) * w_onepulse + 500000) / 1000000)
#define w_totalcycles (((F_CPU / 1000) * w_totalperiod + 500000) / 1000000)
// w1 - nops between rising edge and falling edge - low
#define w1 (w_zerocycles - w_fixedlow)
// w2 nops between fe low and fe high
#define w2 (w_onecycles - w_fixedhigh - w1)
// w3 nops to complete loop
#define w3 (w_totalcycles - w_fixedtotal - w1 - w2)
#if w1 > 0
# define w1_nops w1
// w1_nops - nops between rising edge and falling edge - low
#if w_zerocycles >= w_fixedlow
# define w1_nops (w_zerocycles - w_fixedlow)
#else
# define w1_nops 0
#endif
// w2_nops - nops between fe low and fe high
#if w_onecycles >= (w_fixedhigh + w1_nops)
# define w2_nops (w_onecycles - w_fixedhigh - w1_nops)
#else
# define w2_nops 0
#endif
// w3_nops - nops to complete loop
#if w_totalcycles >= (w_fixedtotal + w1_nops + w2_nops)
# define w3_nops (w_totalcycles - w_fixedtotal - w1_nops - w2_nops)
#else
# define w3_nops 0
#endif
// The only critical timing parameter is the minimum pulse length of the "0"
// Warn or throw error if this timing can not be met with current F_CPU settings.
#define w_lowtime ((w1_nops + w_fixedlow) * 1000000) / (F_CPU / 1000)
@ -90,18 +98,6 @@ void ws2812_setleds(LED_TYPE *ledarray, uint16_t number_of_leds) {
# warning "Please consider a higher clockspeed, if possible"
#endif
#if w2 > 0
# define w2_nops w2
#else
# define w2_nops 0
#endif
#if w3 > 0
# define w3_nops w3
#else
# define w3_nops 0
#endif
#define w_nop1 "nop \n\t"
#define w_nop2 "rjmp .+0 \n\t"
#define w_nop4 w_nop2 w_nop2