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#![no_std]
#![no_main]
use arduino_uno::{Delay, delay_ms, prelude::*};
use dht11::Dht11;
use panic_halt as _;
#[arduino_uno::entry]
fn main() -> ! {
let dp = arduino_uno::Peripherals::take().unwrap();
let mut pins = arduino_uno::Pins::new(dp.PORTB, dp.PORTC, dp.PORTD);
let mut led = pins.d13.into_output(&mut pins.ddr);
led.set_low().void_unwrap();
let mut serial = arduino_uno::Serial::new(
dp.USART0,
pins.d0,
pins.d1.into_output(&mut pins.ddr),
57600.into_baudrate(),
);
let mut delay = Delay::new();
let mut dht11 = Dht11::new(pins.d2.into_tri_state(&mut pins.ddr));
delay_ms(2000);
loop {
led.set_high().void_unwrap();
arduino_uno::delay_ms(50);
led.set_low().void_unwrap();
match dht11.perform_measurement(&mut delay) {
Ok(meas) => ufmt::uwriteln!(&mut serial, "temp: {} hum: {}\r", meas.temperature, meas.humidity).void_unwrap(),
Err(e) => match e {
dht11::Error::Timeout => ufmt::uwriteln!(&mut serial, "error: timeout\r").void_unwrap(),
dht11::Error::CrcMismatch => ufmt::uwriteln!(&mut serial, "error: crc mismatch\r").void_unwrap(),
dht11::Error::Gpio(_) => ufmt::uwriteln!(&mut serial, "error: gpio\r").void_unwrap(),
}
}
arduino_uno::delay_ms(2000);
}
}
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