application: Use the Button struct to handle the play button.

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

diff --git a/src/application/main.rs b/src/application/main.rs
index e11aaf71cc5a9f538c9794cf570f87f9ac245bf8..5ec2f96b7c98dc7d87d9f5d01adfee0b8b91e247 100644 (file)
--- a/src/application/main.rs
+++ b/src/application/main.rs
@@ -28,6 +28,7 @@
 extern crate common;
 
 mod uart0;
+mod button;
 
 use common::buffer::Buffer;
 use common::ringbuf::Ringbuf;
@@ -211,6 +212,9 @@ pub unsafe extern "C" fn _start() -> ! {
     let mut logger = Logger::new(&mut mx25l);
     logger.init();
 
+    let mut pta12 = button::Button::new(gpio::GPIOA, 1 << 12);
+    let mut is_recording = false;
+
     let mut gps = gps::Gps::new();
 
     let mut gps_has_fix = false;
@@ -221,12 +225,23 @@ 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 +279,16 @@ 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 +312,18 @@ pub unsafe extern "C" fn _start() -> ! {
 
         shell.update(&mut logger);
 
+        if pta12.has_been_held_for_ms(1500) {
+                is_recording = !is_recording;
+
+                if is_recording {
+                    logger.start_recording(&prev_tap);
+                } else {
+                    logger.stop_recording(&prev_tap);
+                }
+
+                total_distance_cm = 0;
+        }
+
         if reset_requested() {
             nvic::system_reset();
         }