ESP8266 Community Forum

- Fri Mar 20, 2015 11:43 am #12335 I have to read SPI data from a MAX31855 chip which outputs 32 bits on each CS cycle.

Could we add a 32 bit data length to the SPI interface?

Thanks a lot
Alex

- Tue May 26, 2015 8:41 am #18502 Only 8 and 16 bits are supported yet)

- Mon Oct 26, 2015 6:55 am #32302 Anything new with this issue?
I would also like to use thermocouples with esp, I need to measure temperatures between +55C - +400C.

- Mon Oct 26, 2015 3:28 pm #32333

Anything new with this issue?

The SPI module was recently enhanced by Extend SPI module API with improved transaction handling to support 1-32 bit data for spi.send(). More complex transactions with Command, Address and MOSI/MISO phases are possible now as well.
Code is only available from dev branch so far and still WIP, but you can have try with NodeMCU custom builds.