Initial Commit

TODOS:
1. Ensure memory.x has correct memory regions.
2. Add HAL loop delay.

src/main.rs

@@ -0,0 +1,19 @@
+#![no_std]
+#![no_main]
+
+use cortex_m_rt::entry;
+
+#[allow(unused_imports)]
+use panic_halt;
+use stm32l4xx_hal::{pac, rcc::RccExt};
+
+#[entry]
+fn main() -> ! {
+    let dp = pac::Peripherals::take().unwrap();
+    // let cp = cortex_m::Peripherals::take().unwrap();
+
+    let mut _rcc = dp.RCC.constrain();
+
+
+    loop {}
+}