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authorJoel Challis <git@zvecr.com>2021-11-25 19:35:06 +0000
committerGitHub <noreply@github.com>2021-11-25 19:35:06 +0000
commit5e9c29da0df045b03ada9278c34f37b22349a6f7 (patch)
tree3dbe67afa346513de1132e23c636b5ad01bc3550 /platforms/avr/drivers
parent3d0062071133ad76504ede49a66063115c4a06c5 (diff)
Tidy up adjustable ws2812 timing (#15299)
Diffstat (limited to 'platforms/avr/drivers')
-rw-r--r--platforms/avr/drivers/ws2812.c11
1 files changed, 3 insertions, 8 deletions
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