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author | Joel Challis <git@zvecr.com> | 2021-11-25 19:35:06 +0000 |
---|---|---|
committer | GitHub <noreply@github.com> | 2021-11-25 19:35:06 +0000 |
commit | 5e9c29da0df045b03ada9278c34f37b22349a6f7 (patch) | |
tree | 3dbe67afa346513de1132e23c636b5ad01bc3550 /platforms/avr/drivers | |
parent | 3d0062071133ad76504ede49a66063115c4a06c5 (diff) |
Tidy up adjustable ws2812 timing (#15299)
Diffstat (limited to 'platforms/avr/drivers')
-rw-r--r-- | platforms/avr/drivers/ws2812.c | 11 |
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 |