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authorDiego Barrios Romero <eldruin@gmail.com>2018-11-11 08:04:42 +0100
committerDiego Barrios Romero <eldruin@gmail.com>2018-11-11 08:04:42 +0100
commit3e3a790d9f70bfd6cb4210dfe09560d0385fdf5a (patch)
tree8cf40e43cb93b15a774696c3af639d504addce8c /src/devices/ads1x1x/features/tier1.rs
parent8b9e9ecdb85a30ac1c57fe6b96498cae6ad9f7cc (diff)
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Reorganize modules
Diffstat (limited to 'src/devices/ads1x1x/features/tier1.rs')
-rw-r--r--src/devices/ads1x1x/features/tier1.rs83
1 files changed, 0 insertions, 83 deletions
diff --git a/src/devices/ads1x1x/features/tier1.rs b/src/devices/ads1x1x/features/tier1.rs
deleted file mode 100644
index 9f72b77..0000000
--- a/src/devices/ads1x1x/features/tier1.rs
+++ /dev/null
@@ -1,83 +0,0 @@
-//! Common functions
-
-use { Ads1x1x, DataRate, Error, Register, BitFlags, interface, ic };
-
-impl<DI, IC, MODE, E> Ads1x1x<DI, IC, MODE>
-where
- DI: interface::WriteData<Error = E>,
- IC: ic::Resolution
-{
- /// Set data rate
- pub fn set_data_rate(&mut self, rate: DataRate) -> Result<(), Error<E>> {
- let config;
- match rate {
- DataRate::Sps128 => config = self.config.with_low( BitFlags::DR2).with_low( BitFlags::DR1).with_low( BitFlags::DR0),
- DataRate::Sps250 => config = self.config.with_low( BitFlags::DR2).with_low( BitFlags::DR1).with_high(BitFlags::DR0),
- DataRate::Sps490 => config = self.config.with_low( BitFlags::DR2).with_high(BitFlags::DR1).with_low( BitFlags::DR0),
- DataRate::Sps920 => config = self.config.with_low( BitFlags::DR2).with_high(BitFlags::DR1).with_high(BitFlags::DR0),
- DataRate::Sps1600 => config = self.config.with_high(BitFlags::DR2).with_low( BitFlags::DR1).with_low( BitFlags::DR0),
- DataRate::Sps2400 => config = self.config.with_high(BitFlags::DR2).with_low( BitFlags::DR1).with_high(BitFlags::DR0),
- DataRate::Sps3300 => config = self.config.with_high(BitFlags::DR2).with_high(BitFlags::DR1).with_low( BitFlags::DR0),
- }
- self.iface.write_register(Register::CONFIG, config.bits)?;
- self.config = config;
- Ok(())
- }
-
- /// Set comparator lower threshold
- pub fn set_low_threshold(&mut self, value: i16) -> Result<(), Error<E>> {
- let register_value = convert_threshold::<IC, E>(value)?;
- self.iface.write_register(Register::LOW_TH, register_value)
- }
-
- /// Set comparator upper threshold
- pub fn set_high_threshold(&mut self, value: i16) -> Result<(), Error<E>> {
- let register_value = convert_threshold::<IC, E>(value)?;
- self.iface.write_register(Register::HIGH_TH, register_value)
- }
-}
-
-fn convert_threshold<IC, E>(value: i16) -> Result<u16, Error<E>>
-where
- IC: ic::Resolution
-{
- if IC::BITS == ic::ResolutionBits::_12 {
- if value < -2048 || value > 2047 {
- return Err(Error::InvalidInputData);
- }
- Ok((value << 4) as u16)
- }
- else {
- Ok(value as u16)
- }
-}
-
-#[cfg(test)]
-mod tests {
- use super::*;
-
- fn assert_invalid_input_data<E>(result: Result<u16, Error<E>>) {
- match result {
- Err(Error::InvalidInputData) => (),
- _ => panic!("InvalidInputData error was not returned.")
- }
- }
-
- #[test]
- fn convert_12_bits() {
- assert_invalid_input_data(convert_threshold::<ic::Ads1013, ()>(2048));
- assert_invalid_input_data(convert_threshold::<ic::Ads1013, ()>(-2049));
-
- assert_eq!( 0, convert_threshold::<ic::Ads1013, ()>(0).unwrap());
- assert_eq!(0x7FF0, convert_threshold::<ic::Ads1013, ()>(2047).unwrap());
- assert_eq!(0x8000, convert_threshold::<ic::Ads1013, ()>(-2048).unwrap());
- assert_eq!(0xFFF0, convert_threshold::<ic::Ads1013, ()>(-1).unwrap());
- }
-
- #[test]
- fn convert_16_bits() {
- assert_eq!(0x7FFF, convert_threshold::<ic::Ads1113, ()>(32767).unwrap());
- assert_eq!(0x8000, convert_threshold::<ic::Ads1113,()>(-32768).unwrap());
- }
-}
-