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-rw-r--r--sw/deps/hd44780-driver/examples/stm32f30x/src/main.rs55
1 files changed, 55 insertions, 0 deletions
diff --git a/sw/deps/hd44780-driver/examples/stm32f30x/src/main.rs b/sw/deps/hd44780-driver/examples/stm32f30x/src/main.rs
new file mode 100644
index 0000000..6b3b602
--- /dev/null
+++ b/sw/deps/hd44780-driver/examples/stm32f30x/src/main.rs
@@ -0,0 +1,55 @@
+#![no_std]
+#![no_main]
+
+extern crate panic_halt;
+
+use cortex_m_rt::entry;
+use hal::gpio::GpioExt;
+use hal::flash::FlashExt;
+use hal::rcc::RccExt;
+use hd44780_driver::{Cursor, CursorBlink, Display, DisplayMode, HD44780};
+
+// Connections:
+// VSS: GND
+// VDD: 5V
+// V0: 10k poti between 5V and GND
+// RS: PD1
+// RW: GND
+// E: PD2
+// D4-D7: PD4-PD7
+// A: 5V
+// K: GND
+
+#[entry]
+fn main() -> ! {
+ let cp = cortex_m::Peripherals::take().unwrap();
+ let dp = hal::stm32f30x::Peripherals::take().unwrap();
+
+ let mut flash = dp.FLASH.constrain();
+ let mut rcc = dp.RCC.constrain();
+ let mut gpiod = dp.GPIOD.split(&mut rcc.ahb);
+
+ let clocks = rcc.cfgr.freeze(&mut flash.acr);
+ let delay = hal::delay::Delay::new(cp.SYST, clocks);
+
+ let rs = gpiod.pd1.into_push_pull_output(&mut gpiod.moder, &mut gpiod.otyper);
+ let en = gpiod.pd2.into_push_pull_output(&mut gpiod.moder, &mut gpiod.otyper);
+ let b4 = gpiod.pd4.into_push_pull_output(&mut gpiod.moder, &mut gpiod.otyper);
+ let b5 = gpiod.pd5.into_push_pull_output(&mut gpiod.moder, &mut gpiod.otyper);
+ let b6 = gpiod.pd6.into_push_pull_output(&mut gpiod.moder, &mut gpiod.otyper);
+ let b7 = gpiod.pd7.into_push_pull_output(&mut gpiod.moder, &mut gpiod.otyper);
+
+ let mut lcd = HD44780::new_4bit(rs, en, b4, b5, b6, b7, delay);
+ lcd.reset();
+ lcd.clear();
+ lcd.set_display_mode(
+ DisplayMode {
+ display: Display::On,
+ cursor_visibility: Cursor::Visible,
+ cursor_blink: CursorBlink::On,
+ }
+ );
+ lcd.write_str("Hello, world!");
+
+ loop {}
+}