From 07c64d902e001ab0943382e9da35f9280a5533d0 Mon Sep 17 00:00:00 2001 From: Henrik Alsér Date: Tue, 30 Aug 2022 00:30:47 +0200 Subject: example --- examples/rp/src/bin/spi.rs | 4 ++-- examples/rp/src/bin/spi_async.rs | 31 +++++++++++++++++++++++++++++++ 2 files changed, 33 insertions(+), 2 deletions(-) create mode 100644 examples/rp/src/bin/spi_async.rs (limited to 'examples') diff --git a/examples/rp/src/bin/spi.rs b/examples/rp/src/bin/spi.rs index 88003ee17..e50297ae4 100644 --- a/examples/rp/src/bin/spi.rs +++ b/examples/rp/src/bin/spi.rs @@ -4,7 +4,7 @@ use defmt::*; use embassy_executor::Spawner; -use embassy_rp::spi::Spi; +use embassy_rp::spi::{Blocking, Spi}; use embassy_rp::{gpio, spi}; use gpio::{Level, Output}; use {defmt_rtt as _, panic_probe as _}; @@ -24,7 +24,7 @@ async fn main(_spawner: Spawner) { // create SPI let mut config = spi::Config::default(); config.frequency = 2_000_000; - let mut spi = Spi::new(p.SPI1, clk, mosi, miso, config); + let mut spi: Spi<'_, _, Blocking> = Spi::new_blocking(p.SPI1, clk, mosi, miso, config); // Configure CS let mut cs = Output::new(touch_cs, Level::Low); diff --git a/examples/rp/src/bin/spi_async.rs b/examples/rp/src/bin/spi_async.rs new file mode 100644 index 000000000..f21377ede --- /dev/null +++ b/examples/rp/src/bin/spi_async.rs @@ -0,0 +1,31 @@ +#![no_std] +#![no_main] +#![feature(type_alias_impl_trait)] + +use defmt::*; +use embassy_executor::Spawner; +use embassy_rp::spi::{Async, Spi}; +use embassy_rp::{gpio, spi}; +use embassy_time::{Duration, Timer}; +use gpio::{Level, Output}; +use {defmt_rtt as _, panic_probe as _}; + +#[embassy_executor::main] +async fn main(_spawner: Spawner) { + let p = embassy_rp::init(Default::default()); + info!("Hello World!"); + + let miso = p.PIN_12; + let mosi = p.PIN_11; + let clk = p.PIN_10; + + let mut spi: Spi<'_, _, Async> = Spi::new(p.SPI1, p.DMA_CH0, p.DMA_CH1, clk, mosi, miso, spi::Config::default()); + + loop { + let tx_buf = [1_u8, 2, 3, 4, 5, 6]; + let mut rx_buf = [0_u8; 6]; + spi.transfer(&mut rx_buf, &tx_buf).await.unwrap(); + info!("{:?}", rx_buf); + Timer::after(Duration::from_secs(1)).await; + } +} -- cgit