35 lines
899 B
Rust
35 lines
899 B
Rust
//! Example on how to read a 24C/24LC i2c eeprom.
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//!
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//! Connect SDA to P0.03, SCL to P0.04
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#![no_std]
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#![no_main]
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#![feature(type_alias_impl_trait)]
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use defmt::*;
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use embassy_executor::Spawner;
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use embassy_nrf::twim::{self, Twim};
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use embassy_nrf::{bind_interrupts, peripherals};
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use {defmt_rtt as _, panic_probe as _};
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const ADDRESS: u8 = 0x50;
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bind_interrupts!(struct Irqs {
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SPIM0_SPIS0_TWIM0_TWIS0_SPI0_TWI0 => twim::InterruptHandler<peripherals::TWISPI0>;
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});
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#[embassy_executor::main]
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async fn main(_spawner: Spawner) {
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let p = embassy_nrf::init(Default::default());
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info!("Initializing TWI...");
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let config = twim::Config::default();
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let mut twi = Twim::new(p.TWISPI0, Irqs, p.P0_03, p.P0_04, config);
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info!("Reading...");
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let mut buf = [0u8; 16];
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unwrap!(twi.blocking_write_read(ADDRESS, &mut [0x00], &mut buf));
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info!("Read: {=[u8]:x}", buf);
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}
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