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#![feature(conservative_impl_trait, universal_impl_trait)]
#![feature(core_float)]
#![deny(warnings)]
#![no_std]
extern crate bit_field;
extern crate cast;
extern crate embedded_hal as hal;
use hal::blocking::i2c;
use reg_conf::Configuration;
use reg_device_id::DeviceId;
use reg_manuf_id::ManufacturerId;
use reg_temp::Temperature;
use reg_res::Resolution;
use reg_temp_alert_crit::CriticalTemperatureAlert;
use reg_temp_alert_lower::LowerTemperatureAlert;
use reg_temp_alert_upper::UpperTemperatureAlert;
mod prelude;
pub mod reg_temp_generic;
pub mod reg;
pub mod reg_conf;
pub mod reg_device_id;
pub mod reg_manuf_id;
pub mod reg_res;
pub mod reg_temp;
pub mod reg_temp_alert_crit;
pub mod reg_temp_alert_lower;
pub mod reg_temp_alert_upper;
#[derive(Clone, Copy)]
pub enum Address {
Default = 0b0011000
}
#[derive(Debug)]
pub enum Error<E> {
I2c(E),
RegisterSizeMismatch(u8),
}
pub struct MCP9808<I2C> {
addr: u8,
i2c: I2C,
}
impl<I2C, E> MCP9808<I2C>
where I2C: i2c::Write<Error=E> + i2c::WriteRead<Error=E>
{
pub fn new(i2c: I2C) -> Self {
MCP9808 {
addr: Address::Default as u8,
i2c,
}
}
pub fn free(self) -> I2C {
self.i2c
}
fn read_register<T>(&mut self, mut reg: T) -> Result<T, Error<E>>
where T: prelude::Read,
I2C: i2c::WriteRead {
reg.read_from_device(&mut self.i2c, self.addr).map_err(Error::I2c)?;
Ok(reg)
}
pub fn write_register<R: prelude::Write>(&mut self, reg: R) -> Result<(), Error<E>> {
reg.write_to_device(&mut self.i2c, self.addr).map_err(Error::I2c)?;
Ok(())
}
pub fn read_configuration(&mut self) -> Result<impl Configuration, Error<E>> {
self.read_register(reg_conf::new())
}
pub fn read_device_id(&mut self) -> Result<impl DeviceId, Error<E>> {
self.read_register(reg_device_id::new())
}
pub fn read_manufacturer_id(&mut self) -> Result<impl ManufacturerId, Error<E>> {
self.read_register(reg_manuf_id::new())
}
pub fn read_resolution(&mut self) -> Result<impl Resolution, Error<E>> {
self.read_register(reg_res::new())
}
pub fn read_temperature(&mut self) -> Result<impl Temperature, Error<E>> {
self.read_register(reg_temp::new())
}
pub fn read_alert_critical(&mut self) -> Result<impl CriticalTemperatureAlert, Error<E>> {
self.read_register(reg_temp_alert_crit::new())
}
pub fn read_alert_lower(&mut self) -> Result<impl LowerTemperatureAlert, Error<E>> {
self.read_register(reg_temp_alert_lower::new())
}
pub fn read_alert_upper(&mut self) -> Result<impl UpperTemperatureAlert, Error<E>> {
self.read_register(reg_temp_alert_upper::new())
}
}