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Oh, make sure uart example actually builds.

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This commit is contained in:
Jonathan Pallant (42 Technology) 2021-09-27 18:57:10 +01:00
parent 7e03772687
commit b005128a73
1 changed files with 5 additions and 5 deletions
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10
rp2040-hal/examples/uart.rs
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@ -25,10 +25,10 @@ use rp2040_hal as hal;
// register access // register access
use hal::pac; use hal::pac;
// A GPIO trait we need // Some traits we need
use embedded_hal::digital::v2::OutputPin;
use embedded_time::fixed_point::FixedPoint; use embedded_time::fixed_point::FixedPoint;
use rp2040_hal::clocks::Clock; use rp2040_hal::clocks::Clock;
use core::fmt::Write;
/// The linker will place this boot block at the start of our program image. We /// The linker will place this boot block at the start of our program image. We
// need this to help the ROM bootloader get our code up and running. // need this to help the ROM bootloader get our code up and running.
@ -91,16 +91,16 @@ fn main() -> ! {
.unwrap(); .unwrap();
// UART TX (characters sent from RP2040) on pin 1 (GPIO0) // UART TX (characters sent from RP2040) on pin 1 (GPIO0)
let _tx_pin = pins.gpio0.into_mode::<gpio::FunctionUart>(); let _tx_pin = pins.gpio0.into_mode::<hal::gpio::FunctionUart>();
// UART RX (characters reveived by RP2040) on pin 2 (GPIO1) // UART RX (characters reveived by RP2040) on pin 2 (GPIO1)
let _rx_pin = pins.gpio1.into_mode::<gpio::FunctionUart>(); let _rx_pin = pins.gpio1.into_mode::<hal::gpio::FunctionUart>();
uart.write_full_blocking(b"UART example\r\n"); uart.write_full_blocking(b"UART example\r\n");
let mut value = 0u32; let mut value = 0u32;
loop { loop {
writeln!(uart, "value: {:02}\r", value).unwrap(); writeln!(uart, "value: {:02}\r", value).unwrap();
cortex_m::asm::delay(10_000_000); delay.delay_ms(1000);
value += 1 value += 1
} }
} }