Module embedded_hal_mock::spi
source · Expand description
SPI mock implementations.
This mock supports the specification and checking of expectations to allow automated testing of SPI based drivers. Mismatches between expected and real SPI transactions will cause runtime assertions to assist with locating faults.
Usage
extern crate embedded_hal;
extern crate embedded_hal_mock;
use embedded_hal::blocking::spi::{Transfer, Write};
use embedded_hal_mock::spi::{Mock as SpiMock, Transaction as SpiTransaction};
// Configure expectations
let expectations = [
SpiTransaction::write(vec![1, 2]),
SpiTransaction::transfer(vec![3, 4], vec![5, 6]),
];
let mut spi = SpiMock::new(&expectations);
// Writing
spi.write(&vec![1, 2]).unwrap();
// Transferring
let mut buf = vec![3, 4];
spi.transfer(&mut buf).unwrap();
assert_eq!(buf, vec![5, 6]);
// Finalise expectations
spi.done();
Structs
SPI transaction type
Enums
SPI Transaction mode
Type Definitions
Mock SPI implementation