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common: Implement the "rm" shell command.
[gps-watch.git]
/
src
/
bootloader
/
main.rs
diff --git
a/src/bootloader/main.rs
b/src/bootloader/main.rs
index 1a0a7cc3d53ebdf1194ec88bd11a3eec541837c7..a7755030bb0f5da0bd11d0a1687de17f090cac8b 100644
(file)
--- a/
src/bootloader/main.rs
+++ b/
src/bootloader/main.rs
@@
-22,7
+22,7
@@
*/
#![no_std]
*/
#![no_std]
-#![
crate_type="staticlib"
]
+#![
no_main
]
#[link(name="libcommon.rlib")]
extern crate common;
#[link(name="libcommon.rlib")]
extern crate common;
@@
-35,12
+35,16
@@
use common::clock;
use common::systick;
use common::port;
use common::gpio;
use common::systick;
use common::port;
use common::gpio;
+use common::watchdog;
use common::usb_serial;
type Reg32 = register::Register<u32>;
extern {
use common::usb_serial;
type Reg32 = register::Register<u32>;
extern {
- fn jump_to_application(address: u32);
+ fn enable_interrupts();
+ fn disable_interrupts();
+
+ fn jump_to_application(address: u32) -> !;
}
#[cfg(bootloader_type = "intermediate")]
}
#[cfg(bootloader_type = "intermediate")]
@@
-49,17
+53,29
@@
const APPLICATION_ADDR: u32 = 0x0;
#[cfg(bootloader_type = "final")]
const APPLICATION_ADDR: u32 = 0x8000;
#[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);
first_app_word.read() == 0xffffffff
}
unsafe fn application_missing() -> bool {
let first_app_word = Reg32::new(APPLICATION_ADDR);
first_app_word.read() == 0xffffffff
}
+#[cfg(bootloader_type = "intermediate")]
+fn bootloader_requested() -> bool {
+ true
+}
+
+#[cfg(bootloader_type = "final")]
fn bootloader_requested() -> bool {
let start_ticks = systick::now();
while !systick::has_timeout_ms(start_ticks, 3000) {
fn bootloader_requested() -> bool {
let start_ticks = systick::now();
while !systick::has_timeout_ms(start_ticks, 3000) {
- if (gpio::get(gpio::GPIOE) & (1 <<
24
)) == 0 {
+ if (gpio::get(gpio::GPIOE) & (1 <<
31
)) == 0 {
return true;
}
}
return true;
}
}
@@
-67,18
+83,29
@@
fn bootloader_requested() -> bool {
false
}
false
}
+#[inline(never)]
+#[panic_handler]
+fn panic(_info: &core::panic::PanicInfo) -> ! {
+ loop {
+ }
+}
+
#[no_mangle]
#[no_mangle]
-pub unsafe extern fn main() {
+pub unsafe extern "C" fn _start() -> ! {
+ watchdog::disable();
clock::configure();
systick::init();
clock::configure();
systick::init();
+ port::init();
+
+ // Configure middle left push button.
+ gpio::set_direction(gpio::GPIOE, 1 << 31, gpio::Direction::Input);
+ port::set_af(port::PORTE, 31, 1);
+ port::set_pull(port::PORTE, 31, port::Pull::Up);
- // Configure lower left push button.
- gpio::set_direction(gpio::GPIOE, 1 << 24, gpio::Direction::Input);
- port::set_af(port::PORTE, 24, 1);
- port::set_pull(port::PORTE, 24, port::Pull::Up);
+ enable_interrupts();
if application_missing() || bootloader_requested() {
if application_missing() || bootloader_requested() {
- usb_serial::init(0xf055,
0x635c
);
+ usb_serial::init(0xf055,
USB_PID
);
let mut b = bootloader::Bootloader::new();
let mut b = bootloader::Bootloader::new();
@@
-88,5
+115,9
@@
pub unsafe extern fn main() {
usb_serial::shutdown();
}
usb_serial::shutdown();
}
+ disable_interrupts();
+
+ clock::reset();
+
jump_to_application(APPLICATION_ADDR);
}
jump_to_application(APPLICATION_ADDR);
}