X-Git-Url: http://git.code-monkey.de/?a=blobdiff_plain;f=src%2Fapplication%2Fmain.rs;h=dffa4ee189ebeb1e724057499e0a0b095519b05f;hb=2e626bc722375f441e826cb403967206eacf2161;hp=1fdc577cf9c55fca378798ce5434a390ac345eb4;hpb=b7095b94fad1391e712a0030a47f2e52c2ae5f2b;p=gps-watch.git

diff --git a/src/application/main.rs b/src/application/main.rs
index 1fdc577..dffa4ee 100644
--- a/src/application/main.rs
+++ b/src/application/main.rs
@@ -22,17 +22,22 @@
  */
 
 #![no_std]
-#![crate_type="staticlib"]
+#![no_main]
 #[link(name="libcommon.rlib")]
 
 extern crate common;
 
+mod uart0;
+
 use common::buffer::Buffer;
 use common::clock;
 use common::systick;
 use common::port;
 use common::gpio;
+use common::nvic;
+use common::i2c;
 use common::usb_serial;
+use common::display;
 
 extern {
     fn enable_interrupts();
@@ -41,11 +46,24 @@ extern {
 }
 
 #[no_mangle]
-pub unsafe extern fn main() {
+pub unsafe extern "C" fn _start() -> ! {
     clock::configure();
+    clock::enable_osc0();
     systick::init();
     port::init();
 
+    // Configure pins for I2C0.
+    port::set_af(port::PORTC, 8, 2);
+    port::set_af(port::PORTC, 9, 2);
+
+    i2c::configure(i2c::I2C0);
+
+    nvic::disable_irq(8); // I2C0
+
+    // Configure pin for the display's reset line.
+    gpio::set_direction(gpio::GPIOB, 1 << 16, gpio::Direction::Output);
+    port::set_af(port::PORTB, 16, 1);
+
     // Configure upper right push button.
     gpio::set_direction(gpio::GPIOA, 1 << 12, gpio::Direction::Input);
     port::set_af(port::PORTA, 12, 1);
@@ -58,10 +76,19 @@ pub unsafe extern fn main() {
     cdc_tx_buf.write(b"\n");
     cdc_tx_buf.flush();
 
+    let mut display = display::Display::new(gpio::GPIOB, 1 << 16, 0x3c);
+
+    display.init();
+    display.clear();
+
     loop {
         systick::delay_ms(1000);
 
         cdc_tx_buf.write(b".\n");
         cdc_tx_buf.flush();
+
+        if (gpio::get(gpio::GPIOA) & (1 << 12)) == 0 {
+            nvic::system_reset();
+        }
     }
 }