This library provides an interface for the MCP23017 gpio expander chip. It is based on a python library of the same name, found here.
You can view the docs here.
let mut mcp = MCP23017::new(0x20, 1).unwrap();
let led = Pin::new(0).unwrap();
mcp.pin_mode(&led, Mode::Output).unwrap();
loop {
mcp.output(&led, State::High).unwrap();
sleep(Duration::from_millis(200));
mcp.output(&led, State::Low).unwrap();
sleep(Duration::from_millis(200));
} | PIN | MCP PIN | Name |
|---|---|---|
| 0 | 21 | GPA0 |
| 1 | 22 | GPA1 |
| 2 | 23 | GPA2 |
| 3 | 24 | GPA3 |
| 4 | 25 | GPA4 |
| 5 | 26 | GPA5 |
| 6 | 27 | GPA6 |
| 7 | 28 | GPA7 |
| 8 | 1 | GPB0 |
| 9 | 2 | GPB1 |
| 10 | 3 | GPB2 |
| 11 | 4 | GPB3 |
| 12 | 5 | GPB4 |
| 13 | 6 | GPB5 |
| 14 | 7 | GPB6 |
| 15 | 8 | GPB7 |
This software is provided under the MIT license. Click here to view. The original python library is also licensed under MIT. It can be found here.
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