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#![no_std]
#![no_main]
#![feature(asm)]
#![feature(type_alias_impl_trait)]
#![allow(incomplete_features)]
#[path = "../example_common.rs"]
mod example_common;
use defmt::*;
use embassy::executor::Spawner;
use embassy_rp::gpio::NoPin;
use embassy_rp::spi;
use embassy_rp::spi::Spi;
use embassy_rp::{gpio, Peripherals};
use gpio::{Level, Output};
#[embassy::main]
async fn main(_spawner: Spawner, p: Peripherals) {
info!("Hello World!");
// Example for resistive touch sensor in Waveshare Pico-ResTouch
let miso = p.PIN_12;
let mosi = p.PIN_11;
let clk = p.PIN_10;
let touch_cs = p.PIN_16;
// create SPI
let mut config = spi::Config::default();
config.frequency = 2_000_000;
let mut spi = Spi::new(p.SPI1, clk, mosi, miso, NoPin, config);
// Configure CS
let mut cs = Output::new(touch_cs, Level::Low);
loop {
cs.set_low();
let mut buf = [0x90, 0x00, 0x00, 0xd0, 0x00, 0x00];
spi.transfer(&mut buf);
cs.set_high();
let x = (buf[1] as u32) << 5 | (buf[2] as u32) >> 3;
let y = (buf[4] as u32) << 5 | (buf[5] as u32) >> 3;
info!("touch: {=u32} {=u32}", x, y);
}
}
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