JS: vgm_sensor tutorial

2024-04-12 15:00:38 -05:00
parent 6b1cc1013e
commit c70c4fb65e
12 changed files with 1290 additions and 0 deletions
--- a/js/vgm_sensor/speaker_api.js
+++ b/js/vgm_sensor/speaker_api.js
@@ -0,0 +1,37 @@
+({
+    _acquired: false,
+    _acquire: ffi("int furi_hal_speaker_acquire(int)"),
+    _release: ffi("void furi_hal_speaker_release(void)"),
+    start: ffi("void furi_hal_speaker_start(float, float)"),
+    stop: ffi("void furi_hal_speaker_stop(void)"),
+    acquire: function (timeout) {
+        if (!this._acquired) {
+            this._acquired = this._acquire(timeout);
+        }
+        return this._acquired;
+    },
+    acquired: function () {
+        return this._acquired;
+    },
+    release: function () {
+        if (this._acquired) {
+            this._release();
+            this._acquired = false;
+        }
+    },
+    play: function (frequency, volume, duration) {
+        let already_acquired = this.acquired();
+        if (!already_acquired) {
+            this.acquire(1000);
+        };
+        if (this.acquired()) {
+            this.start(frequency, volume);
+            delay(duration);
+            this.stop();
+        }
+        if (!already_acquired) {
+            this.release();
+        }
+    },
+}
+)