application: Explicitly enable global interrupts.

The bootloader now longer leaves them enabled before it jumps
to the application, so we need to enable them explicitly.

diff --git a/src/application/main.rs b/src/application/main.rs
index ca5d1c155333dff629a47c9c79503ce732a09100..55214279c599367e8010a578cb597291b7449675 100644 (file)
--- a/src/application/main.rs
+++ b/src/application/main.rs
@@ -33,6 +33,8 @@ use common::systick;
 use common::usb_serial;
 
 extern {
+    fn enable_interrupts();
+
     static mut cdc_tx_buf: Buffer;
 }
 
@@ -41,6 +43,8 @@ pub unsafe extern fn main() {
     clock::configure();
     systick::init();
 
+    enable_interrupts();
+
     usb_serial::init(0xf055, 0x635d);
 
     cdc_tx_buf.write(b"\n");