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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/mode
parent8b9e9ecdb85a30ac1c57fe6b96498cae6ad9f7cc (diff)
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Reorganize modules
Diffstat (limited to 'src/devices/ads1x1x/mode')
-rw-r--r--src/devices/ads1x1x/mode/continuous.rs23
-rw-r--r--src/devices/ads1x1x/mode/mod.rs47
-rw-r--r--src/devices/ads1x1x/mode/oneshot.rs66
3 files changed, 0 insertions, 136 deletions
diff --git a/src/devices/ads1x1x/mode/continuous.rs b/src/devices/ads1x1x/mode/continuous.rs
deleted file mode 100644
index 1472478..0000000
--- a/src/devices/ads1x1x/mode/continuous.rs
+++ /dev/null
@@ -1,23 +0,0 @@
-//! Common functions
-
-use core::marker::PhantomData;
-use { Ads1x1x, mode, Error, interface, ic };
-use super::super::OperatingMode;
-
-impl<DI, IC, E> Ads1x1x<DI, IC, mode::Continuous>
-where
- DI: interface::WriteData<Error = E>,
- IC: ic::Resolution
-{
- /// Change operating mode to OneShot
- pub fn into_one_shot(mut self) -> Result<Ads1x1x<DI, IC, mode::OneShot>, Error<E>> {
- self.set_operating_mode(OperatingMode::OneShot)?;
- Ok(Ads1x1x {
- iface: self.iface,
- config: self.config,
- a_conversion_was_started: self.a_conversion_was_started,
- _ic: PhantomData,
- _mode: PhantomData
- })
- }
-}
diff --git a/src/devices/ads1x1x/mode/mod.rs b/src/devices/ads1x1x/mode/mod.rs
deleted file mode 100644
index 8e0e012..0000000
--- a/src/devices/ads1x1x/mode/mod.rs
+++ /dev/null
@@ -1,47 +0,0 @@
-//! Functions for all devices specific to each operating mode
-
-use ic;
-mod oneshot;
-mod continuous;
-
-fn convert_measurement<IC>(register_data: u16) -> i16
-where
- IC: ic::Resolution
-{
- let value = register_data;
- if IC::BITS == ic::ResolutionBits::_12 {
- let is_negative = (value & 0b1000_0000_0000_0000) != 0;
- if is_negative {
- let value = 0b1111_0000_0000_0000 | (value >> 4);
- value as i16
- }
- else {
- (value >> 4) as i16
- }
- }
- else {
- value as i16
- }
-}
-
-
-#[cfg(test)]
-mod tests {
- use super::*;
-
- #[test]
- fn convert_12_bits() {
- assert_eq!( 0, convert_measurement::<ic::Ads1013>(0));
- assert_eq!( 2047, convert_measurement::<ic::Ads1013>(0x7FFF));
- assert_eq!(-2048, convert_measurement::<ic::Ads1013>(0x8000));
- assert_eq!( -1, convert_measurement::<ic::Ads1013>(0xFFFF));
- }
-
- #[test]
- fn convert_16_bits() {
- assert_eq!( 0, convert_measurement::<ic::Ads1113>(0));
- assert_eq!( 32767, convert_measurement::<ic::Ads1113>(0x7FFF));
- assert_eq!(-32768, convert_measurement::<ic::Ads1113>(0x8000));
- assert_eq!( -1, convert_measurement::<ic::Ads1113>(0xFFFF));
- }
-}
diff --git a/src/devices/ads1x1x/mode/oneshot.rs b/src/devices/ads1x1x/mode/oneshot.rs
deleted file mode 100644
index 7ff9ac9..0000000
--- a/src/devices/ads1x1x/mode/oneshot.rs
+++ /dev/null
@@ -1,66 +0,0 @@
-//! Common functions
-
-use core::marker::PhantomData;
-use { Ads1x1x, mode, Error, Register, BitFlags, Config, ic };
-use { interface, hal, nb };
-use devices::ads1x1x::OperatingMode;
-use devices::channels::ChannelSelection;
-use super::convert_measurement;
-
-impl<DI, IC, E> Ads1x1x<DI, IC, mode::OneShot>
-where
- DI: interface::WriteData<Error = E> + interface::ReadData<Error = E>,
- IC: ic::Resolution
-{
- /// Change operating mode to Continuous
- pub fn into_continuous(mut self) -> Result<Ads1x1x<DI, IC, mode::Continuous>, Error<E>> {
- self.set_operating_mode(OperatingMode::Continuous)?;
- Ok(Ads1x1x {
- iface: self.iface,
- config: self.config,
- a_conversion_was_started: self.a_conversion_was_started,
- _ic: PhantomData,
- _mode: PhantomData
- })
- }
-
- fn is_measurement_in_progress(&mut self) -> Result<bool, Error<E>> {
- let config = Config {
- bits: self.iface.read_register(Register::CONFIG)?
- };
- Ok(!config.is_high(BitFlags::OS))
- }
-
- fn trigger_measurement(&mut self, config: &Config) -> Result<(), Error<E>> {
- let config = config.with_high(BitFlags::OS);
- self.iface.write_register(Register::CONFIG, config.bits)
- }
-}
-
-impl<DI, IC, E, CH> hal::adc::OneShot<Ads1x1x<DI, IC, mode::OneShot>, i16, CH> for Ads1x1x<DI, IC, mode::OneShot>
-where
- DI: interface::ReadData<Error = E> + interface::WriteData<Error = E>,
- IC: ic::Resolution,
- CH: hal::adc::Channel<Ads1x1x<DI, IC, mode::OneShot>, ID = ChannelSelection>
-{
- type Error = Error<E>;
-
- /// Request that the ADC begin a conversion on the specified channel
- fn read(&mut self, _channel: &mut CH) -> nb::Result<i16, Self::Error> {
- //TODO for devices with MUX select channel, if it is the wrong one, return AlreadyInProgress or WrongChannel error
- if self.is_measurement_in_progress().map_err(nb::Error::Other)? {
- return Err(nb::Error::WouldBlock);
- }
- if self.a_conversion_was_started {
- // result is ready
- let value = self.iface.read_register(Register::CONVERSION).map_err(nb::Error::Other)?;
- self.a_conversion_was_started = false;
- return Ok(convert_measurement::<IC>(value));
- }
- let config = self.config.with_mux_bits(CH::channel());
- self.trigger_measurement(&config).map_err(nb::Error::Other)?;
- self.config = config;
- self.a_conversion_was_started = true;
- Err(nb::Error::WouldBlock)
- }
-}