From 5e9c29da0df045b03ada9278c34f37b22349a6f7 Mon Sep 17 00:00:00 2001 From: Joel Challis Date: Thu, 25 Nov 2021 19:35:06 +0000 Subject: Tidy up adjustable ws2812 timing (#15299) --- platforms/avr/drivers/ws2812.c | 11 +++-------- 1 file changed, 3 insertions(+), 8 deletions(-) (limited to 'platforms/avr') diff --git a/platforms/avr/drivers/ws2812.c b/platforms/avr/drivers/ws2812.c index 77c492cd4c..9150b3c520 100644 --- a/platforms/avr/drivers/ws2812.c +++ b/platforms/avr/drivers/ws2812.c @@ -52,20 +52,15 @@ void ws2812_setleds(LED_TYPE *ledarray, uint16_t number_of_leds) { using the fast 800kHz clockless WS2811/2812 protocol. */ -// Timing in ns -#define w_zeropulse 350 -#define w_onepulse 900 -#define w_totalperiod 1250 - // Fixed cycles used by the inner loop #define w_fixedlow 2 #define w_fixedhigh 4 #define w_fixedtotal 8 // Insert NOPs to match the timing, if possible -#define w_zerocycles (((F_CPU / 1000) * w_zeropulse) / 1000000) -#define w_onecycles (((F_CPU / 1000) * w_onepulse + 500000) / 1000000) -#define w_totalcycles (((F_CPU / 1000) * w_totalperiod + 500000) / 1000000) +#define w_zerocycles (((F_CPU / 1000) * WS2812_T0H) / 1000000) +#define w_onecycles (((F_CPU / 1000) * WS2812_T1H + 500000) / 1000000) +#define w_totalcycles (((F_CPU / 1000) * WS2812_TIMING + 500000) / 1000000) // w1_nops - nops between rising edge and falling edge - low #if w_zerocycles >= w_fixedlow -- cgit v1.2.1