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#![no_std]
#![no_main]
#![feature(type_alias_impl_trait)]
#[path = "../example_common.rs"]
mod example_common;
use embassy::executor::Spawner;
use embassy_stm32::gpio::{Input, Level, Output, Pull, Speed};
use embassy_stm32::spi::{Config, Spi};
use embassy_stm32::time::Hertz;
use embassy_stm32::Peripherals;
use embassy_traits::spi::FullDuplex;
use embedded_hal::digital::v2::{InputPin, OutputPin};
use example_common::*;
#[embassy::main]
async fn main(_spawner: Spawner, p: Peripherals) {
info!("Hello World!");
let mut spi = Spi::new(
p.SPI3,
p.PC10,
p.PC12,
p.PC11,
p.DMA1_CH0,
p.DMA1_CH1,
Hertz(1_000_000),
Config::default(),
);
// These are the pins for the Inventek eS-Wifi SPI Wifi Adapter.
let _boot = Output::new(p.PB12, Level::Low, Speed::VeryHigh);
let _wake = Output::new(p.PB13, Level::Low, Speed::VeryHigh);
let mut reset = Output::new(p.PE8, Level::Low, Speed::VeryHigh);
let mut cs = Output::new(p.PE0, Level::High, Speed::VeryHigh);
let ready = Input::new(p.PE1, Pull::Up);
cortex_m::asm::delay(100_000);
unwrap!(reset.set_high());
cortex_m::asm::delay(100_000);
while unwrap!(ready.is_low()) {
info!("waiting for ready");
}
let write = [0x0A; 10];
let mut read = [0; 10];
unwrap!(cs.set_low());
spi.read_write(&mut read, &write).await.ok();
unwrap!(cs.set_high());
info!("xfer {=[u8]:x}", read);
}
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