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|
use ads1x1x::channel;
use embedded_hal_mock::eh1::i2c::Transaction as I2cTrans;
use nb::block;
mod common;
use crate::common::{
destroy_ads1015 as destroy, new_ads1015 as new, BitFlags as BF, Config, Register,
DEVICE_ADDRESS as DEV_ADDR,
};
macro_rules! mux_test {
($name:ident, $CS:ident, $config_bits:expr, $other_CS:ident, $other_config_bits:expr) => {
mod $name {
use super::*;
#[futures_test::test]
async fn can_read() {
let default_config = Config::default();
let config = Config::default().with_high(BF::OS).with_high($config_bits);
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.msb(), config.lsb()]),
I2cTrans::write_read(
DEV_ADDR,
vec![Register::CONFIG],
vec![config.msb(), config.lsb()],
),
I2cTrans::write_read(DEV_ADDR, vec![Register::CONVERSION], vec![0x80, 0x00]),
];
let mut dev = new(&transactions);
let measurement = block!(dev.read(channel::$CS).await).unwrap();
assert_eq!(-2048, measurement);
destroy(dev);
}
#[futures_test::test]
async fn read_then_read_different_triggers_new_measurement() {
let default_config = Config::default();
let config = Config::default().with_high(BF::OS).with_high($config_bits);
let other_config = Config::default().with_high($other_config_bits);
let transactions = [
I2cTrans::write_read(
DEV_ADDR,
vec![Register::CONFIG],
vec![default_config.msb(), default_config.lsb()],
),
I2cTrans::write(DEV_ADDR, vec![Register::CONFIG, config.msb(), config.lsb()]),
I2cTrans::write_read(
DEV_ADDR,
vec![Register::CONFIG],
vec![config.msb(), config.lsb()],
),
I2cTrans::write(
DEV_ADDR,
vec![Register::CONFIG, other_config.msb(), other_config.lsb()],
),
I2cTrans::write_read(
DEV_ADDR,
vec![Register::CONFIG],
vec![other_config.msb(), other_config.lsb()],
),
I2cTrans::write_read(DEV_ADDR, vec![Register::CONVERSION], vec![0x80, 0x00]),
];
let mut dev = new(&transactions);
assert_would_block!(dev.read(channel::$CS).await);
let measurement = block!(dev.read(channel::$other_CS).await).unwrap();
assert_eq!(-2048, measurement);
destroy(dev);
}
#[futures_test::test]
async fn continuous_can_select_channel() {
let config1 = Config::default().with_low(BF::OP_MODE);
let config2 = config1.with_high($config_bits);
let transactions = [
I2cTrans::write(
DEV_ADDR,
vec![Register::CONFIG, config1.msb(), config1.lsb()],
),
I2cTrans::write(
DEV_ADDR,
vec![Register::CONFIG, config2.msb(), config2.lsb()],
),
];
let dev = new(&transactions);
let mut dev = dev.into_continuous().await.ok().unwrap();
dev.select_channel(channel::$CS).await.unwrap();
destroy(dev);
}
}
};
}
mux_test!(diffa0a1, DifferentialA0A1, 0, SingleA0, BF::MUX2);
mux_test!(diffa0a3, DifferentialA0A3, BF::MUX0, SingleA0, BF::MUX2);
mux_test!(diffa1a3, DifferentialA1A3, BF::MUX1, SingleA0, BF::MUX2);
mux_test!(
diffa2a3,
DifferentialA2A3,
BF::MUX1 | BF::MUX0,
SingleA0,
BF::MUX2
);
mux_test!(singlea0, SingleA0, BF::MUX2, DifferentialA0A1, 0);
mux_test!(singlea1, SingleA1, BF::MUX2 | BF::MUX0, SingleA0, BF::MUX2);
mux_test!(singlea2, SingleA2, BF::MUX2 | BF::MUX1, SingleA0, BF::MUX2);
mux_test!(
singlea3,
SingleA3,
BF::MUX2 | BF::MUX1 | BF::MUX0,
SingleA0,
BF::MUX2
);
|
