From 316e1f292c603885f2af3dcd69ce797d64776425 Mon Sep 17 00:00:00 2001
From: Joey Castillo <joeycastillo@utexas.edu>
Date: Sun, 5 Dec 2021 23:06:25 -0600
Subject: rename project files

---
 apps/buzzer-test/app.c | 134 +++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 134 insertions(+)
 create mode 100644 apps/buzzer-test/app.c

(limited to 'apps/buzzer-test/app.c')

diff --git a/apps/buzzer-test/app.c b/apps/buzzer-test/app.c
new file mode 100644
index 00000000..58158dff
--- /dev/null
+++ b/apps/buzzer-test/app.c
@@ -0,0 +1,134 @@
+#include <stdio.h>
+#include <string.h>
+#include "watch.h"
+
+typedef struct ApplicationState {
+    bool play;
+} ApplicationState;
+
+ApplicationState application_state;
+
+
+void cb_alarm_pressed() {
+    application_state.play = true;
+}
+
+void app_init() {
+    memset(&application_state, 0, sizeof(application_state));
+}
+
+void app_wake_from_backup() {
+}
+
+void app_setup() {
+    watch_register_extwake_callback(BTN_ALARM, cb_alarm_pressed, true);
+
+    watch_enable_display();
+
+    watch_enable_buzzer();
+}
+
+void app_prepare_for_standby() {
+    watch_display_string("  rains ", 2);
+}
+
+void app_wake_from_standby() {
+}
+
+bool app_loop() {
+    if (application_state.play) {
+        printf("Playing song...\n");
+        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) {
+                printf("rest for %d ms\n", durations[i]);
+                sprintf(buf, "%2drESt  ", i);
+            } else {
+                printf("playing note %2d: %3.0f Hz for %d ms\n", i, 1000000.0 / (float)NotePeriods[rains[i]], durations[i]);
+                sprintf(buf, "%2d%6d", i, NotePeriods[rains[i]]);
+            }
+            watch_display_string(buf, 2);
+            watch_buzzer_play_note(rains[i], durations[i]);
+        }
+        printf("done!\n\n");
+    }
+
+    return true;
+}
-- 
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