From d0cb4f84452dacb75898adadf34a2f6b6a7992bd Mon Sep 17 00:00:00 2001 From: "Jakob.Meier" Date: Wed, 25 Nov 2020 09:19:51 +0100 Subject: [PATCH] bring up can, readme --- README.md | 24 ++++++++++++++++++++---- 1 file changed, 20 insertions(+), 4 deletions(-) diff --git a/README.md b/README.md index f4e6f2e9..3f0c7f91 100644 --- a/README.md +++ b/README.md @@ -186,11 +186,27 @@ systemctl status example ```` More detailed information about the used q7s commands can be found in the Q7S user manual. - - -### Update file in rootfs +### Bringing up CAN ```` -writeprotect 0 0 0 # qspi0 nom unlock (see also Q7S user manual) +ip link set can0 down +ip link set can0 type can loopback off +ip link set can0 up type can bitrate 1000000 +```` +Following command sends 8 bytes to device with id 99 (for petalinux) +```` +cansend can0 -i99 99 88 77 11 33 11 22 99 +```` +For Q7S use this: +```` +cansend can0 5A1#11.22.33.44.55.66.77.88 +```` +Turn loopback mode on: +```` +ip link set can0 type can bitrate 1000000 loopback on +```` +Reading data from CAN: +```` +candump can0 ```` ### Setting up UNIX environment for real-time functionalities