SPI on ESP8266?

[espruino-discuss]

Posted at 2016-05-26 by dwallersv

I DID try searching first, and came up with nothing.

Are the SPI pins supported? HSPI? Is the latter "hardware" SPI? But aren't the SPI pins also hardware controlled/managed? Surely not bit-banged?

Supported through the core SPI object? If so, what's the built-in var?

Sorry for the rapid-fire questions, I'm a little frustrated 'cause I can't piece it together from what I can find on the forum. Forgive my crankiness :-)

[espruino-discuss]

Posted at 2016-05-26 by DrAzzy

One of the sets of spi pins are used for the flash.

Other pair is usable. This code works - you can see how I set it up http://forum.espruino.com/conversations/280762/

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Posted at 2016-05-26 by dwallersv

Thanks, Dr!

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Posted at 2016-05-26 by @gfwilliams

Having said that, the implementation of hardware SPI is a bit rough, and although you might feel better using it, it's probably not much more efficient than just using software SPI - because for hardware SPI it's still waiting for each byte to be sent.

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Posted at 2016-05-26 by Wilberforce

This is using SPI to drive a nokia display on an ESP8266:

http://forum.espruino.com/conversations/287196/#comment12997920