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https://github.com/zpg6/mcp2003a
Embedded Rust driver for LIN Bus communications with Microchip MCP2003A LIN Transceiver
https://github.com/zpg6/mcp2003a
automotive esp-rs linbus rust
Last synced: 1 day ago
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Embedded Rust driver for LIN Bus communications with Microchip MCP2003A LIN Transceiver
- Host: GitHub
- URL: https://github.com/zpg6/mcp2003a
- Owner: zpg6
- License: mit
- Created: 2024-06-23T16:55:10.000Z (3 months ago)
- Default Branch: main
- Last Pushed: 2024-07-06T18:50:29.000Z (3 months ago)
- Last Synced: 2024-08-09T08:25:05.223Z (about 2 months ago)
- Topics: automotive, esp-rs, linbus, rust
- Language: Rust
- Homepage: https://crates.io/crates/mcp2003a
- Size: 38.1 KB
- Stars: 0
- Watchers: 1
- Forks: 0
- Open Issues: 0
-
Metadata Files:
- Readme: README.md
- License: LICENSE
Awesome Lists containing this project
README
# mcp2003a
Embedded Rust Microchip MCP2003A LIN transceiver driver with embedded-hal traits for no-std environments.
Uses `embedded-hal` digital traits for GPIO and `embedded-hal-nb` Serial traits for UART.
- `embedded-hal = "1.0.0"` - Major breaking changes versus 0.2.x implementations.
- `embedded-hal-nb = "1.0.0"` - Additional non-blocking traits using `nb` crate underneath.
**⚠️ WORK IN PROGRESS**
Full Documentation: [https://docs.rs/mcp2003a/latest/mcp2003a/](https://docs.rs/mcp2003a/latest/mcp2003a/)
## References
- [MCP2003A Product Page](https://www.microchip.com/wwwproducts/en/MCP2003A)
- [MCP2003A Datasheet](https://ww1.microchip.com/downloads/aemDocuments/documents/OTH/ProductDocuments/DataSheets/20002230G.pdf)
## Usage
Add the crate to your `Cargo.toml`:
```
cargo add mcp2003a
```
Configure like so:
```rust
let lin_bus_config = LinBusConfig {
speed: LinBusSpeed::Baud19200,
break_duration: LinBreakDuration::Minimum13Bits,
wakeup_duration: LinWakeupDuration::Minimum250Microseconds,
read_device_response_timeout: LinReadDeviceResponseTimeout::DelayMilliseconds(2),
inter_frame_space: LinInterFrameSpace::DelayMilliseconds(1),
};
let mut mcp2003a = Mcp2003a::new(
uart2_driver,
break_pin_driver,
delay,
lin_bus_config
);
mcp2003a.send_wakeup();
mcp2003a.send_frame(0x01, &[0x02, 0x03], 0x05).unwrap();
let mut read_buffer = [0u8; 11];
let len = mcp2003a.read_frame(0xC1, &mut read_buffer).unwrap();
```
### Full Examples
(More coming soon)
- [ESP-32 via ESP-RS](https://github.com/zpg6/mcp2003a/tree/main/examples/mcp2003a-esp-rs) - Example using the MCP2003A with an ESP-32 microcontroller using the ESP-RS HAL.