Difference between revisions of "IoTGateway/BSP/Android/Gettingstarted/How to use CAN Bus"
From ESS-WIKI
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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. | ||
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=== Pin Define === | === Pin Define === | ||
Latest revision as of 09:18, 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