Difference between revisions of "IoTGateway/BSP/Android/Gettingstarted/How to use CAN Bus"
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| + | i.MX6 uses the internal FlexCAN(Flexible Controller Area Network) module implementing the CAN protocol according to the CAN 2.0B. | ||
| + | |||
=== Pin Define === | === Pin Define === | ||
| Line 89: | Line 91: | ||
| − | ==== | + | ==== Test ==== |
| − | <pre>#candump can0 | + | |
| + | *Test 1 | ||
| + | <pre># candump can1 & | ||
| + | # cansend can0 12345678#123412341234 | ||
| + | </pre> | ||
| + | |||
| + | The following shows the result | ||
| + | <pre>can1 12345678 [6] 12 34 12 34 12 34 | ||
| + | </pre> | ||
| − | #cansend | + | *Test 2 |
| + | <pre># cansend can0 133#ababdede | ||
| + | </pre> | ||
| − | + | The following shows the result | |
| − | <pre> | + | <pre>can1 133 [4] AB AB DE DE |
| − | |||
</pre> | </pre> | ||
Latest revision as of 08:18, 3 February 2017
i.MX6 uses the internal FlexCAN(Flexible Controller Area Network) module implementing the CAN protocol according to the CAN 2.0B.
Pin Define
ROM-3420
| Pin | Signal | Pin | Signal |
| 1 | - | 2 | - |
| 3 | CAN0_D- | 4 | - |
| 5 | CAN0_D+ | 6 | - |
| 7 | - | 8 | - |
| 9 | GND | 10 | - |
ROM-7421
| Pin | Signal | Pin | Signal |
| 1 | - | 2 | CAN0_D- |
| 3 | |
4 | - |
| 5 | GND |
6 | GND |
| 7 | CAN0_D+ | 8 | - |
| 9 | 10 | - |
Configuration/Test
Configuration
Connect CAN0 to CAN1
CAN0_D+ connect to CAN1_D+
CAN0_D- connect to CAN1_D-
# ip link set can0 up type can bitrate 125000 # ip link set can1 up type can bitrate 125000
Test
- Test 1
# candump can1 & # cansend can0 12345678#123412341234
The following shows the result
can1 12345678 [6] 12 34 12 34 12 34
- Test 2
# cansend can0 133#ababdede
The following shows the result
can1 133 [4] AB AB DE DE