https://github.com/mvollrath/canbus_bbone_stm32

LED sync between BeagleBone Black and STM32F4 Discovery Board
https://github.com/mvollrath/canbus_bbone_stm32

beaglebone-black can-bus socketcan stlink stm32f4-discovery

Last synced: 3 months ago
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LED sync between BeagleBone Black and STM32F4 Discovery Board

• Host: GitHub
• URL: https://github.com/mvollrath/canbus_bbone_stm32
• Owner: mvollrath
• Created: 2015-12-19T06:09:47.000Z (almost 9 years ago)
• Default Branch: master
• Last Pushed: 2017-02-03T00:21:46.000Z (almost 8 years ago)
• Last Synced: 2024-04-18T19:37:52.357Z (7 months ago)
• Topics: beaglebone-black, can-bus, socketcan, stlink, stm32f4-discovery
• Language: C
• Size: 568 KB
• Stars: 12
• Watchers: 3
• Forks: 6
• Open Issues: 0
• Metadata Files:
  • Readme: README.md

Awesome Lists containing this project

• awesome-canbus - BB-to-STM32 - LED sync between BeagleBone Black and STM32F4 Discovery Board. (Hardware / Others HW)

README

        
### Video

I swear this works at least a little bit, here look:

### Enabling CAN Bus on BeagleBone Black

You'll need to compile and install a dtbo.

There are a couple of scripts that can do this for you:

```

./build_dtbo.sh

./install.sh

```

### DIY CAN Bus Cape

This describes how to put together a CAN Bus transceiver project board.

### SocketCAN

The canping and canpong binaries use the excellent [SocketCAN](https://www.kernel.org/doc/Documentation/networking/can.txt) interface.  Once DCAN1 is enabled, use `iface.sh` to set up `can0` and `vcan0` interfaces.

### Preparing LED's on BeagleBone Black

Use `leds.sh` to disable the default LED triggers on the BBB.

### Building canping and canpong

Shouldn't need anything special.

```

gcc -o canping canping.c

gcc -o canpong canpong.c

```

### Testing canping and canpong

As long as `vcan0` is available, this should give you some blinkage.

```

./canping -n vcan0 &

sudo ./canpong -n vcan0 &

```

Kill everything with `pkill canping` and `sudo pkill canpong` when you're done.

### Building and burning the STM32F4 binary

I used [stlink](https://github.com/texane/stlink) to build and burn to the STM32F4 board from the BBB.  Follow the README in that repo to set up the toolchain.

Set the STLINK path in `stm32f4_canpong/Makefile` and try a build:

```

cd stm32f4_canpong

make

```

If that works, burn it:

```

make burn

```

Reset the board and, if everything is hooked up correctly and you're lucky, you should see lights blinking in concert.  Be sure to startup `canping` and `canpong` against `can0`.

### Debugging

The `candump` tool is really handy for spitting out all CAN messages that the BBB can see:

```

candump can0

```