//! Blinks an LED
//!
//! This assumes that a LED is connected to GPIO4.
//! Depending on your target and the board you are using you should change the pin.
//! If your board doesn't have on-board LEDs don't forget to add an appropriate resistor.
//!
use esp_idf_svc::hal::delay::FreeRtos;
use esp_idf_svc::hal::gpio::*;
use esp_idf_svc::hal::peripherals::Peripherals;
fn main() -> anyhow::Result<()> {
esp_idf_svc::sys::link_patches();
let peripherals = Peripherals::take().unwrap();
let mut led = PinDriver::output(peripherals.pins.gpio4)?;
println!("Hello world!");
loop {
led.set_high()?;
// we are sleeping here to make sure the watchdog isn't triggered
FreeRtos::delay_ms(1000);
led.set_low()?;
FreeRtos::delay_ms(1000);
}
}
esp:0
esp:1
esp:2
esp:3
esp:4
esp:5
esp:6
esp:7
esp:8
esp:9
esp:10
esp:18
esp:19
esp:GND.1
esp:3V3.1
esp:3V3.2
esp:GND.2
esp:RST
esp:GND.3
esp:GND.4
esp:5V.1
esp:5V.2
esp:GND.5
esp:GND.6
esp:GND.7
esp:GND.8
esp:GND.9
esp:RX
esp:TX
esp:GND.10
r1:1
r1:2
led1:A
led1:C