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[Flow control] Serial incomming data collision #7

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Diaoul opened this issue Dec 27, 2014 · 2 comments
Open

[Flow control] Serial incomming data collision #7

Diaoul opened this issue Dec 27, 2014 · 2 comments
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@Diaoul
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bug espressif

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@Diaoul
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Diaoul commented Dec 27, 2014

I think outputing data straight to serial is OK but with a proper flow control mechanism like a XON/XOFF.
From the ESP8266 point of view:

Received XOFF => output to buffer
Received XON => empty buffer to serial + resume sending straight to serial

I will adapt the code when a new firmware is out with the appropriate features. Meanwhile collision can still happen.

@lasselukkari: can you submit your patch to Espressif? I'd like the library to be rock solid and for that I need a rock solid ESP8266...
@Diaoul Diaoul self-assigned this Dec 27, 2014
@Diaoul Diaoul mentioned this issue Dec 27, 2014
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@Diaoul Diaoul changed the title Serial incomming data collision [Flow control] Serial incomming data collision Dec 27, 2014
@tprochazka
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It looks that current version of SDK already support flow control
http://bbs.espressif.com/viewtopic.php?f=16&t=40&p=278&hilit=hardware+flow#p278

@Diaoul
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Diaoul commented Dec 31, 2014

Hardware yes, I'm looking for a software approach because GPIO 13 and 15 are not available on the ESP-01

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