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by gratefulfrog
Sun Nov 12, 2017 1:44 pm
Forum: Troubleshooting
Topic: GPIO pins revert on Stretch
Replies: 5
Views: 1577

Re: GPIO pins revert on Stretch

Indeed, when I disable one-wire, pin 7 works again as normal!

Thanks everyone for all the help!!!
by gratefulfrog
Sun Nov 12, 2017 1:06 pm
Forum: Troubleshooting
Topic: GPIO pins revert on Stretch
Replies: 5
Views: 1577

Re: GPIO pins revert on Stretch

I found out that this works but not on the pin I chose, the GPCLK pin... that pin is "special" it seems!

Sorry...
by gratefulfrog
Sun Nov 12, 2017 9:10 am
Forum: Troubleshooting
Topic: GPIO pins revert on Stretch
Replies: 5
Views: 1577

GPIO pins revert on Stretch

I have installed Stretch from scratch on a new SD card. When I try to use gpio at the command line or in python, the pins seem to revert to their default states a few seconds after I set them. for example: $ gpio blink 4 will blink a led 3 or 4 times then hang. $ gpio mode 4 out will briefly change ...
by gratefulfrog
Thu Oct 26, 2017 3:37 pm
Forum: Other
Topic: Can't ssh to raspberry Pi zero with Ubuntu
Replies: 3
Views: 2823

Can't ssh to raspberry Pi zero with Ubuntu

I have an rpi0 v1.3, linux Ubuntu 16.04 with avahi-daemon running. I am using a USB data cable that has been verified. I connect to the rpi0 USB port. I have tried with and without an external power supply on the pwr connector... I modified the cmdline and config files as specified and added an ssh ...
by gratefulfrog
Fri Aug 18, 2017 7:43 pm
Forum: General discussion
Topic: SPI Data corruption
Replies: 0
Views: 264

SPI Data corruption

Hi, I'm trying to communicate via SPI using wiringPiSPI in C++ with an arduino slave. I find that after a while the incoming data becomes corrupt, even though the outgoing data from the arduino is ok. (I monitor both.) I am wondering if the the multi-tasking on the RPI could cause interruptions in t...

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