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by ols
Thu Apr 06, 2017 2:22 pm
Forum: Troubleshooting
Topic: STICKY:I2C, SPI, I2S, LIRC, PPS, stopped working? Read this.
Replies: 335
Views: 517869

Re: I2C, SPI, I2S, LIRC, PPS, stopped working? Read this.

I will check it tommorow by the oscilloscope. Thank you
by ols
Thu Apr 06, 2017 2:09 pm
Forum: Troubleshooting
Topic: STICKY:I2C, SPI, I2S, LIRC, PPS, stopped working? Read this.
Replies: 335
Views: 517869

Re: I2C, SPI, I2S, LIRC, PPS, stopped working? Read this.

Thank you, I deleted the references to kernel*_hat.img and I can see spidev0.0 and spidev0.1. But when I use gpio load spi It returns: gpio:Unable to load/unload modules as this Pi has device tree enabled. You need to run the raspi-config program (as root) and selectt the modules (SPI or I2C) that y...
by ols
Wed Mar 29, 2017 4:54 pm
Forum: Troubleshooting
Topic: STICKY:I2C, SPI, I2S, LIRC, PPS, stopped working? Read this.
Replies: 335
Views: 517869

Re: I2C, SPI, I2S, LIRC, PPS, stopped working? Read this.

I am using Jessy lite from official site.
I have kernel version:
Linux raspberrypi 4.4.34-v7+ #1 SMP Thu Dec 29 11:16:26 UTC 2016 armv7l GNU/Linux
by ols
Wed Mar 29, 2017 4:21 pm
Forum: Troubleshooting
Topic: STICKY:I2C, SPI, I2S, LIRC, PPS, stopped working? Read this.
Replies: 335
Views: 517869

Re: I2C, SPI, I2S, LIRC, PPS, stopped working? Read this.

My config.txt is: # For more options and information see # http://rpf.io/configtxtreadme # Some settings may impact device functionality. See link above for details # uncomment if you get no picture on HDMI for a default "safe" mode #hdmi_safe=1 # uncomment this if your display has a black border of...
by ols
Wed Mar 29, 2017 3:12 pm
Forum: Troubleshooting
Topic: STICKY:I2C, SPI, I2S, LIRC, PPS, stopped working? Read this.
Replies: 335
Views: 517869

Re: I2C, SPI, I2S, LIRC, PPS, stopped working? Read this.

Hi,

I am trying to setup SPI on my Rpi 2, rev. 01.
I used raspi-config in sudo mode to enable SPI.
I rebooted, but I can't find spi device in /dev/
How I can to enable spi ?

Thank you
by ols
Mon Feb 13, 2017 7:57 am
Forum: Troubleshooting
Topic: UART on raspberry pi 2
Replies: 2
Views: 807

Re: UART on raspberry pi 2

topguy,
thank you for your answer.

I understood where is my problem.
I use RS458-TTL converter.
And I need to switch tx-rx manually
by ols
Sun Feb 12, 2017 10:10 am
Forum: Troubleshooting
Topic: UART on raspberry pi 2
Replies: 2
Views: 807

UART on raspberry pi 2

Hi, I need to use UART on my raspberry pi 2 without serial console. OS: jessy lite I used raspi-config for disable serial console Would you like a login shell to be accessible over serial? NO My /boot/cmdline.txt contains wc_otg.lpm_enable=0 console=tty1 root=/dev/mmcblk0p2 rootfstype=ext4 elevator=...

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