[CC3200] Problems with SD and wrong documentation

[beattherain]

Hello there,
I am currently trying to get micropython running on my toniebox which is based on the cc3200 with a custom pcb. I2C seems to run flawlessly.
But setting up the sd doesn't work.

Code: Select all

sd = machine.SD(pins=('GP10', 'GP11', 'GP9'))
Traceback (most recent call last):
  File "<stdin>", line 1, in <module>
OSError: [Errno 5] EIO

https://docs.micropython.org/en/latest/ ... ne.SD.html

I also have problems with some documented functions not working as they should:
https://docs.micropython.org/en/latest/ ... s-and-gpio

Code: Select all

>>> from machine import Pin
>>> power_pin = Pin('GP6', mode=Pin.OUT) 
>>> power_pin.toggle()
Traceback (most recent call last):
  File "<stdin>", line 1, in <module>
AttributeError: no such attribute

Is there something I missed?

[Roberthh]

Using a Pycom expansion board 2, SD card works on my CC3200 device. It uses however GP15 for the data0 pin. The SD card has to be inserted when the statement `sd = machine.SD(pins=('GP10', 'GP11', 'GP15'))` is executed. Otherwise I get the error 5.
And accrrding to my tests, some SD cards for not work at all.
The toggle method is not implemented for the CC3200 port. The documentation is a little bit misleading with it's general disclaimer, that not all features are present at all ports.

[jedie]

I am currently trying to get micropython running on my toniebox which is based on the cc3200 with a custom pcb.

Wow, very interesting!

[beattherain]

Using a Pycom expansion board 2, SD card works on my CC3200 device. It uses however GP15 for the data0 pin. The SD card has to be inserted when the statement `sd = machine.SD(pins=('GP10', 'GP11', 'GP15'))` is executed. Otherwise I get the error 5.
And accrrding to my tests, some SD cards for not work at all.
The toggle method is not implemented for the CC3200 port. The documentation is a little bit misleading with it's general disclaimer, that not all features are present at all ports.

Thanks for making that clear. The sd card should work, as it works with the original firmware. But the VDD is 0V.
There seems to be a problem with the board configuration, as I am also unable to toggle GP24. Toggling it with a non micropython firmware (energia) it works fine.
Also I cannot toggle PWM Timer1B