diff options
Diffstat (limited to 'sw/deps/hd44780-driver/examples/metro_m0/examples/4bit.rs')
-rw-r--r-- | sw/deps/hd44780-driver/examples/metro_m0/examples/4bit.rs | 71 |
1 files changed, 71 insertions, 0 deletions
diff --git a/sw/deps/hd44780-driver/examples/metro_m0/examples/4bit.rs b/sw/deps/hd44780-driver/examples/metro_m0/examples/4bit.rs new file mode 100644 index 0000000..5cf46c3 --- /dev/null +++ b/sw/deps/hd44780-driver/examples/metro_m0/examples/4bit.rs @@ -0,0 +1,71 @@ +#![feature(used)] +#![no_std] + +extern crate cortex_m_semihosting; + +#[cfg(not(feature = "use_semihosting"))] +extern crate panic_abort; + +#[cfg(feature = "use_semihosting")] +extern crate panic_semihosting; + +extern crate cortex_m; +extern crate cortex_m_rt; +extern crate atsamd21_hal; +extern crate metro_m0; + +use metro_m0::clock::GenericClockController; +use metro_m0::delay::Delay; +use metro_m0::{CorePeripherals, Peripherals}; + +extern crate hd44780_driver; + +use hd44780_driver::HD44780; + +extern crate embedded_hal; + +fn main() { + let mut peripherals = Peripherals::take().unwrap(); + + let core = CorePeripherals::take().unwrap(); + + let mut clocks = GenericClockController::new( + peripherals.GCLK, + &mut peripherals.PM, + &mut peripherals.SYSCTRL, + &mut peripherals.NVMCTRL, + ); + + let mut pins = metro_m0::pins(peripherals.PORT); + let delay = Delay::new(core.SYST, &mut clocks); + + let mut lcd = HD44780::new_4bit( + + pins.d4.into_open_drain_output(&mut pins.port), // Register Select pin + pins.d3.into_open_drain_output(&mut pins.port), // Enable pin + + pins.d9.into_open_drain_output(&mut pins.port), // d4 + pins.d10.into_open_drain_output(&mut pins.port), // d5 + pins.d11.into_open_drain_output(&mut pins.port), // d6 + pins.d12.into_open_drain_output(&mut pins.port), // d7 + + delay, + ); + + // Unshift display and set cursor to 0 + lcd.reset(); + + // Clear existing characters + lcd.clear(); + + // Display the following string + lcd.write_str("Hello, world!"); + + // Move the cursor to the second line + lcd.set_cursor_pos(40); + + // Display the following string on the second line + lcd.write_str("I'm on line 2!"); + + loop { } +} |