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ESP32: Neopixel does not work anymore with experimental 1v99 #1484

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NielsLeenheer opened this issue Aug 6, 2018 · 6 comments
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ESP32: Neopixel does not work anymore with experimental 1v99 #1484

NielsLeenheer opened this issue Aug 6, 2018 · 6 comments
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ESP32 This is only a problem on ESP32-based devices

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@NielsLeenheer
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NielsLeenheer commented Aug 6, 2018 •
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When using the experimental 1v99 version of Espruino, using the following command from the documentation to change the color of a NeoPixel nothing happens:

require("neopixel").write(D13, [255,0,0]);

However, if I flash the current 1v95, it works without issues.
@gfwilliams gfwilliams added the ESP32 This is only a problem on ESP32-based devices label Aug 6, 2018
@wilberforce
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wilberforce commented Aug 7, 2018 •
edited

Could this be related to ?

#1459

fcccdcc

@gfwilliams
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Nope - ESP32 uses its own function esp32_neopixelWrite - which as far as I know hasn't changed since it was created ages ago.

I guess it's the new ESP32 SDK?

@wilberforce
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wilberforce commented Aug 19, 2018 •
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v1_97 is the last working version
https://github.com/espruino/Espruino/releases/tag/RELEASE_1V97
2018-04-24

@wilberforce
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@jumjum123

This has stopped working from we changed to the V3.0 sdk.

Any ideas of what needs to be updated here:

https://github.com/espruino/Espruino/blob/master/targets/esp32/esp32_neopixel.c

?

@jumjum123
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Hmm, I only know about a change around V3.1
SET_PERI_REG_MASK(DPORT_PERIP_CLK_EN_REG, DPORT_RMT_CLK_EN);
CLEAR_PERI_REG_MASK(DPORT_PERIP_RST_EN_REG, DPORT_RMT_RST);
needs to be replaced with
DPORT_SET_PERI_REG_MASK(DPORT_PERIP_CLK_EN_REG, DPORT_RMT_CLK_EN);
DPORT_CLEAR_PERI_REG_MASK(DPORT_PERIP_RST_EN_REG, DPORT_RMT_RST);
To be honest, I did not check. And for about a month I will not have much time.

@wilberforce
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This has been fixed in
#1585

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@NielsLeenheer @gfwilliams @jumjum123 @wilberforce