Experimental Gpio.HEADmaster

This rapidly blinks the sysled on the stm32.

This shows the ability to manipulate memory mapped registers.

1 files changed, 16 insertions, 0 deletions

diff --git a/src/hal/usart.rs b/src/hal/usart.rs
new file mode 100644
index 0000000..b60dd82
--- /dev/null
+++ b/src/hal/usart.rs
@@ -0,0 +1,16 @@
+#[repr(C)]
+struct Usart {
+    c_r1  : u32,
+    c_r2  : u32,
+    c_r3  : u32,
+
+    br_r  : u32,
+    gtp_r : u32,
+    rto_r : u32,
+    rq_r  : u32,
+
+    is_r  : u32,
+    ic_r  : u32,
+    rd_r  : u32,
+    td_r  : u32,
+}