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by rahmanuh
Wed Jul 10, 2019 7:09 am
Forum: Troubleshooting
Topic: SLCAN failed to serialize CAN message
Replies: 0
Views: 99

SLCAN failed to serialize CAN message

Hi all, First, I will tell a short story about my problem. Currently I am sending a CAN command to my CAN device in infinite loop. But at some point, my CAN device does not response the command (I made my CAN device only recognize registered command). After long debugging it, I found that somehow th...
by rahmanuh
Wed Feb 06, 2019 2:42 am
Forum: Compute Module
Topic: WiFi chip for Compute Module 3
Replies: 22
Views: 20089

Re: WiFi chip for Compute Module 3

Hi jrschueler , I am trying to turn the WiFI on at my CM3. I use WL1273 chip as the WiFi card. After built a kernel with WL12xx module loaded, and setup the pin configuration (in a overlay dts) like this: GPIO 34: level=0 fsel=7 alt=3 func=SD1_CLK GPIO 35: level=1 fsel=7 alt=3 func=SD1_CMD GPIO 36: ...
by rahmanuh
Wed Feb 06, 2019 2:28 am
Forum: Compute Module
Topic: SDIO wifi for CM3
Replies: 5
Views: 1715

Re: SDIO wifi for CM3

Hi, Do you use dt-overlay to enabling the SDIO function on GPIO34 - GPIO39? If yes, try to add this dtoverlay=sdio34,poll_once=off,sdio_overclock=50. Try to variate the sdio-overclock until mmc1 is ok. It worked for me when I hook another SDCard to CM3. I variated sdio_overclock until mmc1 worked we...

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