Slight update on this,
After some more messing around today it ended up being incorrect
connection of the CS pin,
this is by default connected to PA0, which is the user button. After
pressing this button right after flashing the stm32 it goes through and
inits correctly. I'm however not sure how I'd let the OS do this
instead. Any ideas towards this would still be nice, seems a bit vague.
This is however a minor issue, since it at least works now. Keep up the
great work.
Cheers,
Nils
On 11/27/18 1:31 AM, nils wrote:
Hello,
I'm trying to get the mrf24j40 radio working with the
stm32f0discovery, I've connected it correctly (to my understanding),
but SPI
seems to fail to initialize.
Currently the following code is used to test, with ENABLE_DEBUG set:
#include <stdio.h>
#include <mrf24j40.h>
#include <mrf24j40_params.h>
int main(void)
{
mrf24j40_t dev;
mrf24j40_setup(&dev, mrf24j40_params);
mrf24j40_reset(&dev);
return 0;
}
This results in the following error from the mrf24j40_init function:
[mrf24j40] Initialization failure, SPI interface communication failed
The only USEMODULE I've selected in the makefile is mrf24j40
My question here is what the best steps from here would be to find out
what
could cause SPI to fail, I feel a bit overwhelmed with the possible
causes
this could have and frankly have no idea what to check next. Is anything
inherently wrong with my usage of the driver? Can I use the default
params
from mrf24j40_params.h without issues? Are any issues known with the
stm32
boards and this radio chip? Is the only possible problem here the way
I've
connected it? Any specific pins not clear from the default params that
need to
be connected to either GND or VCC?
Any help or ideas would be greatly appreciated,
thanks in advance
Nils
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