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extern crate embedded_hal as hal;
use hal::blocking;
use core::marker::PhantomData;
use super::{ Ds323x, TempConvRate, BitFlags, Error, ic, CONTROL_POR_VALUE };
use interface::I2cInterface;
impl<I2C, E> Ds323x<I2cInterface<I2C>, ic::DS3232>
where
I2C: blocking::i2c::Write<Error = E> + blocking::i2c::WriteRead<Error = E>
{
pub fn new_ds3232(i2c: I2C) -> Self {
const STATUS_POR_VALUE : u8 = BitFlags::OSC_STOP | BitFlags::BB32KHZ | BitFlags::EN32KHZ;
Ds323x {
iface: I2cInterface {
i2c,
},
control: CONTROL_POR_VALUE,
status: STATUS_POR_VALUE,
_ic: PhantomData
}
}
pub fn destroy_ds3232(self) -> I2C {
self.iface.i2c
}
pub fn enable_32khz_output_on_battery(&mut self) -> Result<(), Error<E>> {
let status = self.status | BitFlags::BB32KHZ;
self.write_status_without_clearing_alarm(status)
}
pub fn disable_32khz_output_on_battery(&mut self) -> Result<(), Error<E>> {
let status = self.status & !BitFlags::BB32KHZ;
self.write_status_without_clearing_alarm(status)
}
pub fn set_temperature_conversion_rate(&mut self, rate: TempConvRate) -> Result<(), Error<E>> {
let status;
match rate {
TempConvRate::_64s => status = self.status & !BitFlags::CRATE1 & !BitFlags::CRATE0,
TempConvRate::_128s => status = self.status & !BitFlags::CRATE1 | BitFlags::CRATE0,
TempConvRate::_256s => status = self.status | BitFlags::CRATE1 & !BitFlags::CRATE0,
TempConvRate::_512s => status = self.status | BitFlags::CRATE1 | BitFlags::CRATE0,
}
self.write_status_without_clearing_alarm(status)
}
}