56 lines
2.0 KiB
Plaintext
56 lines
2.0 KiB
Plaintext
#![no_std]
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#![no_main]
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extern crate panic_semihosting;
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extern crate cortex_m_rt as rt;
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extern crate cortex_m_semihosting as sh;
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extern crate heapless;
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extern crate microbit;
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use core::fmt::Write;
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use rt::entry;
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use sh::hio;
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use heapless::{consts, Vec, String};
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use microbit::hal::prelude::*;
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use microbit::hal::delay::Delay;
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use microbit::hal::serial;
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use microbit::hal::serial::BAUD115200;
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#[entry]
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fn main() -> ! {
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let mut stdout = hio::hstdout().unwrap();
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writeln!(stdout, "Start").unwrap();
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if let Some(p) = microbit::Peripherals::take() {
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// Split GPIO
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let mut gpio = p.GPIO.split();
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// Configure RX and TX pins accordingly
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let tx = gpio.pin24.into_push_pull_output().downgrade();
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let rx = gpio.pin25.into_floating_input().downgrade();
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// Configure serial communication
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let (mut tx, mut rx) = serial::Serial::uart0(p.UART0, tx, rx, BAUD115200).split();
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// Configure display pins
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let row1 = gpio.pin13.into_push_pull_output().downgrade();
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let row2 = gpio.pin14.into_push_pull_output().downgrade();
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let row3 = gpio.pin15.into_push_pull_output().downgrade();
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let col1 = gpio.pin4.into_push_pull_output().downgrade();
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let col2 = gpio.pin5.into_push_pull_output().downgrade();
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let col3 = gpio.pin6.into_push_pull_output().downgrade();
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let col4 = gpio.pin7.into_push_pull_output().downgrade();
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let col5 = gpio.pin8.into_push_pull_output().downgrade();
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let col6 = gpio.pin9.into_push_pull_output().downgrade();
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let col7 = gpio.pin10.into_push_pull_output().downgrade();
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let col8 = gpio.pin11.into_push_pull_output().downgrade();
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let col9 = gpio.pin12.into_push_pull_output().downgrade();
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// Configure display
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let mut leds = led::Display::new(
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row1, row2, row3, col1, col2, col3, col4, col5, col6, col7, col8, col9,
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);
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writeln!(tx, "Start");
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loop {
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let val = block!(rx.read()).unwrap();
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}
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}
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panic!("End");
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}
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