bootloader: Disable the watchdog.

[gps-watch.git] / src / bootloader / main.rs

diff --git a/src/bootloader/main.rs b/src/bootloader/main.rs
index 50c32a4e12f5a0b409047fb40d77aa741431dda1..ec71e15abccc9ad0d910320ea72001f2d63213f1 100644 (file)
--- a/src/bootloader/main.rs
+++ b/src/bootloader/main.rs
@@ -35,11 +35,15 @@ use common::clock;
 use common::systick;
 use common::port;
 use common::gpio;
+use common::watchdog;
 use common::usb_serial;
 
 type Reg32 = register::Register<u32>;
 
 extern {
+    fn enable_interrupts();
+    fn disable_interrupts();
+
     fn jump_to_application(address: u32);
 }
 
@@ -49,6 +53,12 @@ const APPLICATION_ADDR: u32 = 0x0;
 #[cfg(bootloader_type = "final")]
 const APPLICATION_ADDR: u32 = 0x8000;
 
+#[cfg(bootloader_type = "intermediate")]
+const USB_PID: u16 = 0x635b;
+
+#[cfg(bootloader_type = "final")]
+const USB_PID: u16 = 0x635c;
+
 unsafe fn application_missing() -> bool {
     let first_app_word = Reg32::new(APPLICATION_ADDR);
 
@@ -69,6 +79,7 @@ fn bootloader_requested() -> bool {
 
 #[no_mangle]
 pub unsafe extern fn main() {
+    watchdog::disable();
     clock::configure();
     systick::init();
     port::init();
@@ -78,8 +89,10 @@ pub unsafe extern fn main() {
     port::set_af(port::PORTE, 24, 1);
     port::set_pull(port::PORTE, 24, port::Pull::Up);
 
+    enable_interrupts();
+
     if application_missing() || bootloader_requested() {
-        usb_serial::init(0xf055, 0x635c);
+        usb_serial::init(0xf055, USB_PID);
 
         let mut b = bootloader::Bootloader::new();
 
@@ -89,5 +102,7 @@ pub unsafe extern fn main() {
         usb_serial::shutdown();
     }
 
+    disable_interrupts();
+
     jump_to_application(APPLICATION_ADDR);
 }