lcd *should* work?

Cargo.toml

@@ -16,6 +16,7 @@ panic-probe = { version = "0.3", features = ["print-defmt"] }
 # We're using a Pico by default on this template
 rp-pico = "0.8"
 max31855 = "0.1.0"
+hd44780-driver = "0.4.0"
 
 # cargo build/run
 [profile.dev]

README.md

@@ -11,5 +11,5 @@ pid temperature controller using the pi pico.
 
 ## crates to use:
 [thermocouple chip](https://crates.io/crates/max31855)
-[lcd](https://crates.io/crates/lcd)
+[lcd](https://crates.io/crates/hd44780-driver)
 [rotary encoder](https://crates.io/crates/rotary-encoder-embedded)

src/main.rs

@@ -1,10 +1,6 @@
-//! Blinks the LED on a Pico board
-//!
-//! This will blink an LED attached to GP25, which is the pin the Pico uses for the on-board LED.
 #![no_std]
 #![no_main]
 
-use core::fmt::Write;
 use bsp::{
     entry,
     hal::{
@@ -12,10 +8,10 @@ use bsp::{
         uart::{UartConfig, UartPeripheral},
     },
 };
+use core::fmt::Write;
 use defmt_rtt as _;
 use embedded_hal::digital::v2::OutputPin;
 use embedded_hal::spi::MODE_0;
-use max31855::{Max31855, Unit};
 use panic_probe as _;
 
 // Provide an alias for our BSP so we can switch targets quickly.
@@ -31,6 +27,9 @@ use bsp::hal::{
     watchdog::Watchdog,
 };
 
+use hd44780_driver as hd44780;
+use max31855::{Max31855, Unit};
+
 #[entry]
 fn main() -> ! {
     let mut pac = pac::Peripherals::take().unwrap();
@@ -99,6 +98,20 @@ fn main() -> ! {
         MODE_0,
     );
 
+    let mut lcd = hd44780::HD44780::new_4bit(
+        pins.gpio16.into_push_pull_output(), //rs
+        pins.gpio17.into_push_pull_output(), // enable
+        pins.gpio18.into_push_pull_output(), //d4
+        pins.gpio19.into_push_pull_output(), //d5
+        pins.gpio20.into_push_pull_output(), //d6
+        pins.gpio21.into_push_pull_output(), //d6
+        &mut delay,
+    ).unwrap();
+
+    lcd.reset(&mut delay).unwrap();
+    lcd.clear(&mut delay).unwrap();
+    lcd.write_str("lcd initalized", &mut delay).unwrap();
+
     loop {
         led_pin.set_high().unwrap();
         external_led_pin.set_low().unwrap();