Activity
From 10/24/2023 to 11/22/2023
11/22/2023
- JC 06:25 PM Software Development: RE: spidev loopback testing not working
- This doesn't explain why USB isn't coming up though. Your log doesn't show any USB log statements, the most likely reason would be if the USB kernel modules aren't loaded either.
The following modules should have been auto-loaded for... - JC 06:11 PM Software Development: RE: spidev loopback testing not working
- Sandeep Sivadas wrote in message#6558:
> Hi,
> ...
Aw okay I didn't know you were using the nonfpga variant, this makes sense. I'll add a note to the wiki.
>
> ...
There are several kernel modules which are built outside of the ke... - SS 05:43 AM Software Development: RE: spidev loopback testing not working
- Hi,
I tried the devmem2 commands.The output got as follows
root@mitysom-am57x:/dev# devmem2 0x4A003460
/dev/mem opened.
Memory mapped at address 0xb6f15000.
Read at address 0x4A003460 (0xb6f15460): 0x0004000E
Then i updated ...
11/21/2023
- JC 03:26 PM Software Development: RE: spidev loopback testing not working
- Sandeep Sivadas wrote in message#6555:
> Hi Mike,
> ...
If there was no output seen on the CLK or D0 then it is very likely that the pinmux was not updated.
I added a troubleshooting section to the wiki page, to step you through prin... - SS 12:57 PM Software Development: RE: spidev loopback testing not working
- Hi Mike,
Output of the spidev_test obtained is
root@mitysom-am57x:~# ./spidev_test -D /dev/spidev4.0 -v
spi mode: 0x0
bits per word: 8
max speed: 500000 Hz (500 KHz)
TX | FF FF FF FF FF FF 40 00 00 00 00 95 FF FF FF FF FF FF F... - MW 11:22 AM Software Development: RE: spidev loopback testing not working
- Hi Sandeep,
Are you trying to loop spidev4.0 to spidev4.1? Or are you looping back one of the two devices onto themselves (e.g., SPI4_D0 connected to SPI4_D1 on same SPI channel)?
The example you linked to does not perform a loopb... - Hi,
We tried to configure SPI4 in the devkit by following the guidelines in the below link "(https://support.criticallink.com/redmine/projects/mitysom_am57x/wiki/Linux_Application_Using_spidev)".
As per the link we changed mux_data.h...
10/26/2023
- AK 10:57 AM Software Development: RE: Error in Cloning the branches of MitySOM
- It was an issue with TI's git server which got solved now.. The above discussion can be ignored.. thank you
- Following the procedure in the link: https://support.criticallink.com/redmine/projects/mitysom_am57x/wiki/Linux_Kernel_Yocto_for_MitySOM-AM57X, I have used the docker images for cloning the MitySOM branches to the oe-layersetup folder in...