Wizfi210 SPI communication problem

Posts: 3
Joined: Wed Jun 03, 2015 12:17 pm

Wizfi210 SPI communication problem

Postby Mohsen » Wed Jun 03, 2015 12:24 pm

I cant communicate with the WizFi210 module via SPI interface. I have established the serial RS-232 communication and the AT-commands have be sent and received successfully but via SPI interface there isn't any feedback.
I'd be helpful if someone could help me in this matter.

Posts: 278
Joined: Thu Mar 12, 2015 7:06 pm

Re: Wizfi210 SPI communication problem

Postby wizdaniel » Fri Jun 05, 2015 9:06 am

hello. Mohsen,

if you can't communication with the WizFi210, you have to check the firmware version of WizFi210 module.
because another firmware of WizFi210 exists for SPI interface.

if your mudule can communicate with mcu or pc using UART. you have to change another firmware for SPI.

i can send an e-mail attached firmware for SPI to you. please check your e-mail and test it.

Posts: 3
Joined: Wed Jun 03, 2015 12:17 pm

Re: Wizfi210 SPI communication problem

Postby Mohsen » Mon Jun 29, 2015 4:46 pm

I upgraded the module with the new firmware and i can communicate via SPI interface successfully now.

Thank you

Posts: 7
Joined: Wed Apr 12, 2017 7:56 am

Wizfi210 SPI communication problem

Postby Annaleetroge » Fri Apr 14, 2017 5:45 am

I am trying to write a python serial driver for my CM11a.
I can read that the device wants the timer set.
I can program the interface clock.
It returns the proper checksum and no longer poles.
When I try to issue a simple command sequence
0x04, 0x66
I get the appropriate checksum returned.
When I acknowledge with 0x00, I get nothing.
I'm expecting 0x55 ready

I've tried with and without batteries in the CM11a.
I've tried every format that I can think of to send 0x00.
But in the end I get nothing back indicating that the device is ready.

I'm using python and pyserial for the communication. The commands below show what I'm sending to the controller.


Any help on this is appreciated. -Kind Regards

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