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#[macro_use(block)]
extern crate nb;
extern crate embedded_hal;
extern crate embedded_hal_mock as hal;
use hal::i2c::Transaction as I2cTrans;
extern crate ads1x1x;
use ads1x1x::channel;
#[macro_use]
mod common;
use common::{ new_ads1013, destroy_ads1013, new_ads1113, destroy_ads1113,
DEVICE_ADDRESS as DEV_ADDR, Register, BitFlags, Config };
macro_rules! impl_tests {
($IC:ident, $create:ident, $destroy:ident, $expected:expr) => {
mod $IC {
use embedded_hal::adc::OneShot;
use super::*;
#[test]
fn can_create() {
let dev = $create(&[]);
$destroy(dev);
}
mod would_block {
use super::*;
#[test]
fn read_if_measurement_in_progress() {
let config = Config::default().with_low(BitFlags::OS);
let transactions = [ I2cTrans::write_read(DEV_ADDR, vec![Register::CONFIG], vec![config.msb(), config.lsb()] ) ];
let mut dev = $create(&transactions);
assert_would_block!(dev.read(&mut channel::DifferentialA0A1));
$destroy(dev);
}
}
#[test]
fn can_measure() {
let default_config = Config::default();
let config_with_os = Config::default().with_high(BitFlags::OS);
let transactions = [ I2cTrans::write_read(DEV_ADDR, vec![Register::CONFIG], vec![default_config.msb(), default_config.lsb()]),
I2cTrans::write(DEV_ADDR, vec![Register::CONFIG, config_with_os.msb(), config_with_os.lsb()]),
I2cTrans::write_read(DEV_ADDR, vec![Register::CONFIG], vec![config_with_os.msb(), config_with_os.lsb()]),
I2cTrans::write_read(DEV_ADDR, vec![Register::CONVERSION], vec![0x80, 0x00] ) ];
let mut dev = $create(&transactions);
let measurement = block!(dev.read(&mut channel::DifferentialA0A1)).unwrap();
assert_eq!($expected, measurement);
$destroy(dev);
}
}
}
}
impl_tests!(ads1013, new_ads1013, destroy_ads1013, -2048);
impl_tests!(ads1113, new_ads1113, destroy_ads1113, -32768);
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