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Gradient color palettes causes Crash #804

justarandomguyintheinternet opened this issue May 24, 2019 · 4 comments


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commented May 24, 2019

I know there is already a Fix for this #696 but on my Esp whenever i call
CRGBPalette16 myPal = heatmap_gp; the Esp still Crashes. Maybe its due to a new Version of the Esp8266 Version 2.5.2. (I am using FastLed v.3.2.6)


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commented Jun 17, 2019

I'm seeing this on v3.2.9 running on an ESP8266 NodeMCU.
Here is the Gradient:

0, 0, 12, 0,
40, 0, 55, 0,
66, 1,117, 2,
77, 1, 84, 1,
81, 0, 55, 0,
119, 0, 12, 0,
153, 42, 0, 0,
181, 121, 0, 0,
204, 255, 12, 8,
224, 121, 0, 0,
244, 42, 0, 0,
255, 42, 0, 0}

Called with: CRGBPalette16 palette = bhw2_xmas_gp;


Fatal exception 9(LoadStoreAlignmentCause):
epc1=0x402014de, epc2=0x00000000, epc3=0x00000000, excvaddr=0x3ffe8cba, depc=0x00000000

Exception (9):
epc1=0x402014de epc2=0x00000000 epc3=0x00000000 excvaddr=0x3ffe8cba depc=0x00000000


ctx: cont
sp: 3ffffd40 end: 3fffffc0 offset: 01a0
3ffffee0: 3fffdad0 3ffef944 3ffef2b0 4020eb4e
3ffffef0: 3fffff30 00000000 3ffef2ec 4020aa29
3fffff00: 3ffe8a71 4020633c 3ffeef8c 3ffef4c4
3fffff10: 3fffdad0 00000000 3ffef294 402043c6
3fffff20: 3ffef3a4 00000000 3ffef3a4 4020967d
3fffff30: 63250069 005e2b00 38005931 4f3f0053
3fffff40: 00604500 09017023 46021061 36410425
3fffff50: 05374f06 7c033360 23a8012e 0016dd00
3fffff60: 34fbff09 ffd3adc0 beffe7c2 40201c20
3fffff70: 3fff027c feefeffe 3ffef286 4020111c
3fffff80: ffcd0000 00000000 feefef22 feefeffe
3fffff90: 00000000 00000000 00000001 3ffef4c4
3fffffa0: 3fffdad0 00000000 3ffef494 4020aec0
3fffffb0: feefeffe feefeffe 3ffe85bc 401008a5

Any suggestions?


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commented Jun 17, 2019

Ah - #696 was for the esp32 - but that fix didn't include the esp8266 - I just checked in a similar fix for the esp8266 - try it out (you'll have to grab master by hand from GitHub - I haven't spun up a new release for Arduino yet) and let me know if that takes care of it for you!


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commented Jun 17, 2019

I just made the same edit locally and it fixed the issue. Went to check in the change and saw that you already made it.



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commented Jun 18, 2019

Thanks for the fix! ^^

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