* Remove prelude * Changelog
* UART: only implement constructors with config, define ConfigError * UART: only implement interrupt functions for Blocking * I2C: fallible constructors * Lcd/Cam * SPI * Update tests and examples * Changelog * Add note about ConfigError * Fmt
qa-test
* Teach `xtask` about the `qa-test` package * Create the `qa-test` package and move some examples to it * Check `qa-test` package in CI * Add `README.md`