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Diffstat (limited to 'tests/tier2.rs')
| -rw-r--r-- | tests/tier2.rs | 101 |
1 files changed, 101 insertions, 0 deletions
diff --git a/tests/tier2.rs b/tests/tier2.rs new file mode 100644 index 0000000..4e43e90 --- /dev/null +++ b/tests/tier2.rs @@ -0,0 +1,101 @@ +extern crate embedded_hal_mock as hal; +use hal::i2c::Transaction as I2cTrans; +extern crate ads1x1x; +use ads1x1x::{ FullScaleRange, ComparatorMode, ComparatorPolarity, + ComparatorLatching, ComparatorQueue }; + +#[macro_use] +mod common; +use common::{ new_ads1014, destroy_ads1014, + DEVICE_ADDRESS as DEV_ADDR, Register, BitFlags, Config }; + +macro_rules! set_value_test { + ($name:ident, $method:ident, $value:expr, $reg:ident, $msb:expr, $lsb:expr) => { + #[test] + fn $name() { + let transactions = [ I2cTrans::write(DEV_ADDR, vec![Register::$reg, $msb, $lsb]) ]; + let mut dev = new_ads1014(&transactions); + dev.$method($value).unwrap(); + destroy_ads1014(dev); + } + } +} + +macro_rules! config_test { + ($name:ident, $method:ident, $value:expr, $config:expr) => { + set_value_test!($name, $method, $value, CONFIG, $config.msb(), $config.lsb()); + } +} + +mod can_set_comparator_thresholds { + use super::*; + set_value_test!(low, set_low_threshold_raw, 2047, LOW_TH, 0x7F, 0xF0); + set_value_test!(high, set_high_threshold_raw, 2047, HIGH_TH, 0x7F, 0xF0); +} + +mod can_set_comparator_mode { + use super::*; + config_test!(traditional, set_comparator_mode, ComparatorMode::Traditional, Config::default().with_low( BitFlags::COMP_MODE)); + config_test!(window, set_comparator_mode, ComparatorMode::Window, Config::default().with_high(BitFlags::COMP_MODE)); +} + +mod can_set_comparator_polarity { + use super::*; + config_test!(low, set_comparator_polarity, ComparatorPolarity::ActiveLow, Config::default().with_low( BitFlags::COMP_POL)); + config_test!(high, set_comparator_polarity, ComparatorPolarity::ActiveHigh, Config::default().with_high(BitFlags::COMP_POL)); +} + +mod can_set_comparator_latching { + use super::*; + config_test!(non, set_comparator_latching, ComparatorLatching::Nonlatching, Config::default().with_low( BitFlags::COMP_LAT)); + config_test!(lat, set_comparator_latching, ComparatorLatching::Latching, Config::default().with_high(BitFlags::COMP_LAT)); +} + +#[test] +fn can_disable_comparator() { + let config = Config::default().with_high(BitFlags::COMP_QUE1).with_high(BitFlags::COMP_QUE0); + let transactions = [ I2cTrans::write(DEV_ADDR, vec![Register::CONFIG, config.msb(), config.lsb()]) ]; + let mut dev = new_ads1014(&transactions); + dev.disable_comparator().unwrap(); + destroy_ads1014(dev); +} + +mod can_set_comparator_queue { + use super::*; + config_test!(one, set_comparator_queue, ComparatorQueue::One, Config::default().with_low( BitFlags::COMP_QUE1).with_low( BitFlags::COMP_QUE0)); + config_test!(two, set_comparator_queue, ComparatorQueue::Two, Config::default().with_low( BitFlags::COMP_QUE1).with_high(BitFlags::COMP_QUE0)); + config_test!(four, set_comparator_queue, ComparatorQueue::Four, Config::default().with_high(BitFlags::COMP_QUE1).with_low( BitFlags::COMP_QUE0)); +} + +#[test] +fn can_use_alert_rdy_pin_as_rdy_does_not_disable_comparator_if_already_disabled() { + let transactions = [ I2cTrans::write(DEV_ADDR, vec![Register::HIGH_TH, 0b1000_0000, 0]), + I2cTrans::write(DEV_ADDR, vec![Register::LOW_TH, 0, 0]), ]; + let mut dev = new_ads1014(&transactions); + dev.use_alert_rdy_pin_as_ready().unwrap(); + destroy_ads1014(dev); +} + +#[test] +fn can_use_alert_rdy_pin_as_rdy_disabled_comparator() { + let config = Config::default().with_low(BitFlags::COMP_QUE1).with_low(BitFlags::COMP_QUE0); + let config_disabled_comp = Config::default().with_high(BitFlags::COMP_QUE1).with_high(BitFlags::COMP_QUE0); + let transactions = [ I2cTrans::write(DEV_ADDR, vec![Register::CONFIG, config.msb(), config.lsb()]), + I2cTrans::write(DEV_ADDR, vec![Register::CONFIG, config_disabled_comp.msb(), config_disabled_comp.lsb()]), + I2cTrans::write(DEV_ADDR, vec![Register::HIGH_TH, 0b1000_0000, 0]), + I2cTrans::write(DEV_ADDR, vec![Register::LOW_TH, 0, 0]), ]; + let mut dev = new_ads1014(&transactions); + dev.set_comparator_queue(ComparatorQueue::One).unwrap(); + dev.use_alert_rdy_pin_as_ready().unwrap(); + destroy_ads1014(dev); +} + +mod can_set_full_scale_range { + use super::*; + config_test!(fsr6, set_full_scale_range, FullScaleRange::Within6_144V, Config::default().with_low( BitFlags::PGA2).with_low( BitFlags::PGA1).with_low( BitFlags::PGA0)); + config_test!(fsr4, set_full_scale_range, FullScaleRange::Within4_096V, Config::default().with_low( BitFlags::PGA2).with_low( BitFlags::PGA1).with_high(BitFlags::PGA0)); + config_test!(fsr2, set_full_scale_range, FullScaleRange::Within2_048V, Config::default().with_low( BitFlags::PGA2).with_high(BitFlags::PGA1).with_low( BitFlags::PGA0)); + config_test!(fsr1, set_full_scale_range, FullScaleRange::Within1_024V, Config::default().with_low( BitFlags::PGA2).with_high(BitFlags::PGA1).with_high(BitFlags::PGA0)); + config_test!(fsr0_5, set_full_scale_range, FullScaleRange::Within0_512V, Config::default().with_high(BitFlags::PGA2).with_low( BitFlags::PGA1).with_low( BitFlags::PGA0)); + config_test!(fsr0_2, set_full_scale_range, FullScaleRange::Within0_256V, Config::default().with_high(BitFlags::PGA2).with_low( BitFlags::PGA1).with_high(BitFlags::PGA0)); +} |