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#![no_std]
#![no_main]
#![feature(type_alias_impl_trait)]
use core::future::pending;
use defmt::info;
use embassy_executor::executor::Spawner;
use embassy_nrf::gpio::{Input, Level, Output, OutputDrive, Pull};
use embassy_nrf::gpiote::{self, InputChannel, InputChannelPolarity};
use embassy_nrf::ppi::Ppi;
use gpiote::{OutputChannel, OutputChannelPolarity};
use {defmt_rtt as _, panic_probe as _};
#[embassy_executor::main]
async fn main(_spawner: Spawner) {
let p = embassy_nrf::init(Default::default());
info!("Starting!");
let button1 = InputChannel::new(
p.GPIOTE_CH0,
Input::new(p.P0_11, Pull::Up),
InputChannelPolarity::HiToLo,
);
let button2 = InputChannel::new(
p.GPIOTE_CH1,
Input::new(p.P0_12, Pull::Up),
InputChannelPolarity::HiToLo,
);
let button3 = InputChannel::new(
p.GPIOTE_CH2,
Input::new(p.P0_24, Pull::Up),
InputChannelPolarity::HiToLo,
);
let button4 = InputChannel::new(
p.GPIOTE_CH3,
Input::new(p.P0_25, Pull::Up),
InputChannelPolarity::HiToLo,
);
let led1 = OutputChannel::new(
p.GPIOTE_CH4,
Output::new(p.P0_13, Level::Low, OutputDrive::Standard),
OutputChannelPolarity::Toggle,
);
let led2 = OutputChannel::new(
p.GPIOTE_CH5,
Output::new(p.P0_14, Level::Low, OutputDrive::Standard),
OutputChannelPolarity::Toggle,
);
let mut ppi = Ppi::new_one_to_one(p.PPI_CH0, button1.event_in(), led1.task_out());
ppi.enable();
let mut ppi = Ppi::new_one_to_one(p.PPI_CH1, button2.event_in(), led1.task_clr());
ppi.enable();
let mut ppi = Ppi::new_one_to_one(p.PPI_CH2, button3.event_in(), led1.task_set());
ppi.enable();
let mut ppi = Ppi::new_one_to_two(p.PPI_CH3, button4.event_in(), led1.task_out(), led2.task_out());
ppi.enable();
info!("PPI setup!");
info!("Press button 1 to toggle LED 1");
info!("Press button 2 to turn on LED 1");
info!("Press button 3 to turn off LED 1");
info!("Press button 4 to toggle LEDs 1 and 2");
// Block forever so the above drivers don't get dropped
pending::<()>().await;
}
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