X-Git-Url: http://git.code-monkey.de/?a=blobdiff_plain;ds=sidebyside;f=src%2Fapplication%2Fmain.rs;h=bd1091f3c2bbca3632de41c8c536bd7619b34d80;hb=9cef125c6dc3f96c4475d3b0064d4690ca2cb71e;hp=ca5d1c155333dff629a47c9c79503ce732a09100;hpb=cab249f22d64f9faefac6baebb700d12a111de2f;p=gps-watch.git

diff --git a/src/application/main.rs b/src/application/main.rs
index ca5d1c1..bd1091f 100644
--- a/src/application/main.rs
+++ b/src/application/main.rs
@@ -30,9 +30,14 @@ extern crate common;
 use common::buffer::Buffer;
 use common::clock;
 use common::systick;
+use common::port;
+use common::gpio;
+use common::nvic;
 use common::usb_serial;
 
 extern {
+    fn enable_interrupts();
+
     static mut cdc_tx_buf: Buffer;
 }
 
@@ -40,6 +45,14 @@ extern {
 pub unsafe extern fn main() {
     clock::configure();
     systick::init();
+    port::init();
+
+    // Configure upper right push button.
+    gpio::set_direction(gpio::GPIOA, 1 << 12, gpio::Direction::Input);
+    port::set_af(port::PORTA, 12, 1);
+    port::set_pull(port::PORTA, 12, port::Pull::Up);
+
+    enable_interrupts();
 
     usb_serial::init(0xf055, 0x635d);
 
@@ -51,5 +64,9 @@ pub unsafe extern fn main() {
 
         cdc_tx_buf.write(b".\n");
         cdc_tx_buf.flush();
+
+        if (gpio::get(gpio::GPIOA) & (1 << 12)) == 0 {
+            nvic::system_reset();
+        }
     }
 }