VAR-SOM-AM43 Can-bus: Difference between revisions
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$ ip link set can1 up | $ ip link set can1 up | ||
</pre> | </pre> | ||
*Type the following to the shell for testing receiving over can0 interface | *Type the following to the shell for testing receiving over can0 interface: | ||
<pre>$ candump can0 & | <pre>$ candump can0 & | ||
</pre> | </pre> | ||
*Type the following to the shell for testing sending data packets over can1 interface | *Type the following to the shell for testing sending data packets over can1 interface: | ||
<pre>$ cansend can1 0x11 0x22 0x33 0x44 0x55 0x66 0x77 0x88</pre> | <pre>$ cansend can1 0x11 0x22 0x33 0x44 0x55 0x66 0x77 0x88</pre> | ||
*At this point, can0 interface will receive the data packet sent from can1 interface: | *At this point, can0 interface will receive the data packet sent from can1 interface: | ||
<pre><0x001> [8] 11 22 33 44 55 66 77 88 | <pre><0x001> [8] 11 22 33 44 55 66 77 88 | ||
</pre> | </pre> | ||
Latest revision as of 14:52, 24 December 2015
VAR-SOM-AM43 - CAN Bus
The AM43 DVK exports two CAN Bus interfaces can0 & can1
For testing CAN Bus:
- Short CANL, CANH and GND pins of the 2 CAN Bus interfaces can0, can1 (located on J11).
- Type the following into the shell for configuring both CAN bus interfaces:
$ ip link set can0 type can bitrate 50000 triple-sampling on $ ip link set can0 up $ ip link set can1 type can bitrate 50000 triple-sampling on $ ip link set can1 up
- Type the following to the shell for testing receiving over can0 interface:
$ candump can0 &
- Type the following to the shell for testing sending data packets over can1 interface:
$ cansend can1 0x11 0x22 0x33 0x44 0x55 0x66 0x77 0x88
- At this point, can0 interface will receive the data packet sent from can1 interface:
<0x001> [8] 11 22 33 44 55 66 77 88