1 files changed, 137 insertions, 0 deletions
diff --git a/Sensor Watch Buzzer Demo/app.c b/Sensor Watch Buzzer Demo/app.c
new file mode 100644
index 00000000..5c2dbc7b
--- /dev/null
+++ b/Sensor Watch Buzzer Demo/app.c
@@ -0,0 +1,137 @@
+#include <stdio.h>
+#include <string.h>
+#include "watch.h"
+
+typedef struct ApplicationState {
+    bool play;
+    bool debounce_wait;
+} ApplicationState;
+
+ApplicationState application_state;
+
+
+void cb_alarm_pressed() {
+    if (application_state.debounce_wait) return;
+    application_state.debounce_wait = true;
+    application_state.play = true;
+}
+
+void app_init() {
+    memset(&application_state, 0, sizeof(application_state));
+}
+
+void app_wake_from_deep_sleep() {
+}
+
+void app_setup() {
+    watch_register_button_callback(BTN_ALARM, cb_alarm_pressed);
+
+    watch_enable_display();
+
+    watch_enable_buzzer();
+}
+
+void app_prepare_for_sleep() {
+    watch_display_string("  rains ", 2);
+}
+
+void app_wake_from_sleep() {
+}
+
+bool app_loop() {
+    if (application_state.play) {
+        const BuzzerNote rains[] = {
+            BUZZER_NOTE_A4,
+            BUZZER_NOTE_F5,
+            BUZZER_NOTE_REST,
+            BUZZER_NOTE_A4,
+            BUZZER_NOTE_E5,
+            BUZZER_NOTE_REST,
+            BUZZER_NOTE_A4,
+            BUZZER_NOTE_F5,
+            BUZZER_NOTE_G5,
+            BUZZER_NOTE_E5,
+            BUZZER_NOTE_REST,
+            BUZZER_NOTE_A4,
+            BUZZER_NOTE_G5,
+            BUZZER_NOTE_F5,
+            BUZZER_NOTE_E5,
+            BUZZER_NOTE_D5,
+            BUZZER_NOTE_E5,
+            BUZZER_NOTE_REST,
+
+            BUZZER_NOTE_A5,
+            BUZZER_NOTE_REST,
+            BUZZER_NOTE_A5,
+            BUZZER_NOTE_A5SHARP_B5FLAT,
+            BUZZER_NOTE_G5,
+            BUZZER_NOTE_REST,
+            BUZZER_NOTE_C5,
+            BUZZER_NOTE_A5,
+            BUZZER_NOTE_A5SHARP_B5FLAT,
+            BUZZER_NOTE_G5,
+            BUZZER_NOTE_REST,
+            BUZZER_NOTE_D5,
+            BUZZER_NOTE_A5SHARP_B5FLAT,
+            BUZZER_NOTE_A5,
+            BUZZER_NOTE_G5,
+            BUZZER_NOTE_F5,
+            BUZZER_NOTE_E5,
+        };
+        const uint16_t durations[] = {
+            200,
+            600,
+            100,
+            200,
+            600,
+            100,
+            200,
+            400,
+            400,
+            600,
+            100,
+            200,
+            400,
+            400,
+            400,
+            400,
+            800,
+            600,
+
+            200,
+            50,
+            400,
+            200,
+            400,
+            100,
+            200,
+            400,
+            400,
+            400,
+            200,
+            200,
+            400,
+            400,
+            400,
+            400,
+            900,
+        };
+        application_state.play = false;
+        for(size_t i = 0; i < sizeof(rains); i++) {
+            char buf[9] = {0};
+            if (rains[i] == BUZZER_NOTE_REST) {
+                sprintf(buf, "%2drESt  ", i);
+            } else {
+                sprintf(buf, "%2d%6d", i, NotePeriods[rains[i]]);
+            }
+            watch_display_string(buf, 2);
+            watch_buzzer_play_note(rains[i], durations[i]);
+        }
+    }
+
+    // Wait a moment to debounce button input
+    delay_ms(250);
+    application_state.debounce_wait = false;
+
+    return true;
+}