#![no_std]
#![no_main]
use esp32_hal::{
clock::ClockControl,
gpio::IO,
peripherals::Peripherals,
prelude::*,
rmt::{PulseCode, TxChannel, TxChannelConfig, TxChannelCreator},
Delay,
Rmt,
};
use esp_backtrace as _;
#[entry]
fn main() -> ! {
let peripherals = Peripherals::take();
let system = peripherals.SYSTEM.split();
let clocks = ClockControl::boot_defaults(system.clock_control).freeze();
let io = IO::new(peripherals.GPIO, peripherals.IO_MUX);
let rmt = Rmt::new(peripherals.RMT, 80u32.MHz(), &clocks).unwrap();
let mut channel = rmt
.channel0
.configure(
io.pins.gpio4,
TxChannelConfig {
clk_divider: 255,
..TxChannelConfig::default()
},
)
.unwrap();
let mut delay = Delay::new(&clocks);
let mut data = [PulseCode {
level1: true,
length1: 200,
level2: false,
length2: 50,
}; 20];
data[data.len() - 2] = PulseCode {
level1: true,
length1: 3000,
level2: false,
length2: 500,
};
data[data.len() - 1] = PulseCode::default();
loop {
let transaction = channel.transmit(&data);
channel = transaction.wait().unwrap();
delay.delay_ms(500u32);
}
}