diff options
Diffstat (limited to 'src/main.rs')
| -rw-r--r-- | src/main.rs | 38 |
1 files changed, 27 insertions, 11 deletions
diff --git a/src/main.rs b/src/main.rs index 13e9bc3..daef02d 100644 --- a/src/main.rs +++ b/src/main.rs @@ -1,7 +1,8 @@ #![no_std] #![no_main] -use arduino_uno::prelude::*; +use arduino_uno::{Delay, delay_ms, prelude::*}; +use dht11::Dht11; use panic_halt as _; #[arduino_uno::entry] @@ -10,19 +11,34 @@ fn main() -> ! { let mut pins = arduino_uno::Pins::new(dp.PORTB, dp.PORTC, dp.PORTD); - // Digital pin 13 is also connected to an onboard LED marked "L" let mut led = pins.d13.into_output(&mut pins.ddr); + led.set_low().void_unwrap(); - led.set_high().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.toggle().void_unwrap(); - arduino_uno::delay_ms(200); - led.toggle().void_unwrap(); - arduino_uno::delay_ms(200); - led.toggle().void_unwrap(); - arduino_uno::delay_ms(200); - led.toggle().void_unwrap(); - arduino_uno::delay_ms(800); + 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); } } |