diff options
| author | Scott Shawcroft <scott@tannewt.org> | 2018-08-07 16:58:37 -0700 |
|---|---|---|
| committer | Scott Shawcroft <scott@tannewt.org> | 2018-08-07 16:58:37 -0700 |
| commit | b0dd645e27219f8a593f7c5af1339cebffeebfe8 (patch) | |
| tree | 8b08332d26a882e449696edfa542a84760792107 | |
| parent | f5fab358aab883ef21b30fce10ac0b34dc2f6210 (diff) | |
Retune neopixel timings on SAMD51. They were too slow.
Fixes #1083
| -rw-r--r-- | ports/atmel-samd/common-hal/neopixel_write/__init__.c | 8 |
1 files changed, 4 insertions, 4 deletions
diff --git a/ports/atmel-samd/common-hal/neopixel_write/__init__.c b/ports/atmel-samd/common-hal/neopixel_write/__init__.c index 5530d0408..31de2c207 100644 --- a/ports/atmel-samd/common-hal/neopixel_write/__init__.c +++ b/ports/atmel-samd/common-hal/neopixel_write/__init__.c @@ -111,14 +111,14 @@ void common_hal_neopixel_write(const digitalio_digitalinout_obj_t* digitalinout, #ifdef SAMD51 delay_cycles(3); #endif - if(p & bitMask) { + if((p & bitMask) != 0) { // This is the high delay unique to a one bit. // For the SK6812 its 0.3us #ifdef SAMD21 asm("nop; nop; nop; nop; nop; nop; nop;"); #endif #ifdef SAMD51 - delay_cycles(11); + delay_cycles(3); #endif *clr = pinMask; } else { @@ -140,7 +140,7 @@ void common_hal_neopixel_write(const digitalio_digitalinout_obj_t* digitalinout, asm("nop; nop; nop; nop; nop;"); #endif #ifdef SAMD51 - delay_cycles(20); + delay_cycles(4); #endif } else { if(ptr >= end) break; @@ -151,7 +151,7 @@ void common_hal_neopixel_write(const digitalio_digitalinout_obj_t* digitalinout, // above operations take. // For the SK6812 its 0.6us +- 0.15us #ifdef SAMD51 - delay_cycles(15); + delay_cycles(3); #endif } } |