chore: Add course material

2026-10-05 11:27:21 +02:00
parent 971813c351
commit e8241fd1ff
660 changed files with 26658 additions and 1 deletions
@@ -0,0 +1,59 @@
+
+
+#include "Pelican.h"
+#include "Pole.h"
+#include "Timer.h"
+
+Pelican::Pelican() : pressed(false), RED_TIME(4), YELLOW_TIME(2), GREEN_TIME(3), FLASH_TIME(5), state(GREEN_IDLE) {
+    myTimer = new Timer([this] { timerExpired(); });
+}
+
+void Pelican::press(void) {
+    if (state == GREEN_IDLE) {
+        state = YELLOW_STATE;
+        myTimer->timeoutRequest(YELLOW_TIME);
+        pressed = true;
+
+        notify(WaitHint(pressed));
+        notify(LightHint(state));
+    } else if (state != RED_STATE) {
+        pressed = true;
+        notify(WaitHint(pressed));
+    }
+}
+
+void Pelican::timerExpired(void) {
+    switch (state) {
+    case RED_STATE:
+        state = YELLOW_FLASHING;
+        myTimer->timeoutRequest(FLASH_TIME);
+        break;
+
+    case YELLOW_FLASHING:
+        state = GREEN_TIMING;
+        myTimer->timeoutRequest(GREEN_TIME);
+        break;
+
+    case GREEN_TIMING:
+        if (pressed) {
+            state = YELLOW_STATE;
+            myTimer->timeoutRequest(YELLOW_TIME);
+        } else {
+            state = GREEN_IDLE;
+        }
+        break;
+
+    case GREEN_IDLE:
+        //    should never happen
+        break;
+
+    case YELLOW_STATE:
+        state = RED_STATE;
+        pressed = false;
+        notify(WaitHint(pressed));
+        myTimer->timeoutRequest(RED_TIME);
+        break;
+    }
+
+    notify(LightHint(state));
+}