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| author | Ben Isaacs <75862+ben-xo@users.noreply.github.com> | 2021-07-29 22:59:04 +0300 |
|---|---|---|
| committer | Ben Isaacs <75862+ben-xo@users.noreply.github.com> | 2021-07-29 22:59:04 +0300 |
| commit | dad51a9353780e9928e35cbfa192817677a90ca9 (patch) | |
| tree | 6ef4cd5d4328258bb768565e6576b5fd0bbb82c6 | |
| parent | 5cc17b2be88982eb34b1998de22b83fee56d4f07 (diff) | |
Prevent FastLED from hanging on 0-length pixel arrays
Without this patch, a 0 length pixel array is treated as if it's 65535 long. Whilst few people will encounter this bug in simple applications, it comes up frequently when manipulating ranges of pixels with multiple PixelControllers.
| -rw-r--r-- | src/platforms/avr/clockless_trinket.h | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/src/platforms/avr/clockless_trinket.h b/src/platforms/avr/clockless_trinket.h index 2cfbef0d..3f333435 100644 --- a/src/platforms/avr/clockless_trinket.h +++ b/src/platforms/avr/clockless_trinket.h @@ -115,7 +115,9 @@ protected: mWait.wait(); cli(); - showRGBInternal(pixels); + if(pixels.mLen > 0) { + showRGBInternal(pixels); + } // Adjust the timer #if (!defined(NO_CORRECTION) || (NO_CORRECTION == 0)) && (FASTLED_ALLOW_INTERRUPTS == 0) |