X-Git-Url: http://git.code-monkey.de/?a=blobdiff_plain;f=src%2Fapplication%2Fmain.rs;h=ac87977963aa8c4411c10ecef9ffc6adabd88ca8;hb=4d7316c074f07d02bdbdff1a98f0966bafda62e4;hp=e11aaf71cc5a9f538c9794cf570f87f9ac245bf8;hpb=ed56d89bbb0692755ed06f18d227d4d1e39e6b05;p=gps-watch.git

diff --git a/src/application/main.rs b/src/application/main.rs
index e11aaf7..ac87977 100644
--- a/src/application/main.rs
+++ b/src/application/main.rs
@@ -124,6 +124,10 @@ fn configure_push_buttons() {
     port::set_pull(port::PORTE, 31, port::Pull::Up);
 }
 
+fn poll_pta12() -> bool {
+    (gpio::get(gpio::GPIOA) & (1 << 12)) == 0
+}
+
 fn uart0_try_read() -> Option<u8> {
     extern {
         static mut uart0_rx_buf: Ringbuf;
@@ -211,6 +215,10 @@ pub unsafe extern "C" fn _start() -> ! {
     let mut logger = Logger::new(&mut mx25l);
     logger.init();
 
+    let mut pta1_start_press_ticks = 0;
+    let mut pta12_was_pressed = poll_pta12();
+    let mut is_recording = false;
+
     let mut gps = gps::Gps::new();
 
     let mut gps_has_fix = false;
@@ -221,12 +229,23 @@ pub unsafe extern "C" fn _start() -> ! {
 
     let mut prev_tap = gps::TimeAndPos::new();
 
+    let mut total_distance_cm = 0;
+
     loop {
         let mut tap = gps::TimeAndPos::new();
         let mut show_time = false;
+        let mut show_distance = false;
         let old_gps_has_fix = gps_has_fix;
 
         while gps.update(&mut tap, uart0_try_read) {
+            if is_recording {
+                logger.log(&prev_tap, &tap);
+
+                total_distance_cm += tap.distance_cm(&prev_tap) as u32;
+
+                show_distance = true;
+            }
+
             prev_tap = tap;
 
             show_time = true;
@@ -264,7 +283,16 @@ pub unsafe extern "C" fn _start() -> ! {
             });
         }
 
-        if show_time {
+        if show_distance {
+            let mut distance_m_s = [b' '; 8];
+
+            common::fmt::fmt_u32(&mut distance_m_s, total_distance_cm / 100);
+
+            screen.clear();
+            screen.draw_text(&distance_m_s);
+
+            display.draw(&screen);
+        } else if show_time {
             if let Some(tm) = Time::from_unix_time(prev_tap.unix_time) {
                 let mut time_s = [b' '; 8];
                 tm.fmt_time(&mut time_s);
@@ -288,6 +316,26 @@ pub unsafe extern "C" fn _start() -> ! {
 
         shell.update(&mut logger);
 
+        let pta12_is_pressed = poll_pta12();
+
+        if !pta12_was_pressed && pta12_is_pressed {
+            pta1_start_press_ticks = systick::now();
+        } else if pta12_was_pressed && !pta12_is_pressed {
+            if systick::has_timeout_ms(pta1_start_press_ticks, 1500) {
+                is_recording = !is_recording;
+
+                if is_recording {
+                    logger.start_recording(&prev_tap);
+                } else {
+                    logger.stop_recording(&prev_tap);
+                }
+
+                total_distance_cm = 0;
+            }
+        }
+
+        pta12_was_pressed = pta12_is_pressed;
+
         if reset_requested() {
             nvic::system_reset();
         }