Done

arrive_audio_ui_imx8.py

@@ -36,6 +36,8 @@ C_PINK_HOT    = "#FF33BB"   # P2 — hot pink, active / pressed state
 C_PINK_LIGHT  = "#FFADE4"   # P4 — light pink, accents
 C_GREY        = "#F9F5F4"   # Off-White — secondary labels
 C_WHITE       = "#FFFFFF"
+C_ACCEPT      = "#00C878"   # green — ticket accepted
+C_REJECT      = "#FF3344"   # red   — ticket rejected
 
 # ── Custom font (set after QApplication is created) ──────────────────────────
 _FONT_FAMILY = "Sans Serif"   # overwritten at startup if OptimismSans loads
@@ -139,6 +141,55 @@ class AudioEngine:
         if self._pa is not None:
             self._pa.terminate()
 
+    def play_accept(self):
+        """Ascending two-tone chime: 880 Hz (120 ms) then 1320 Hz (200 ms)."""
+        self._play_oneshot([(880, 120, 'sine'), (1320, 200, 'sine')])
+
+    def play_reject(self):
+        """Low sawtooth buzz: 220 Hz (400 ms)."""
+        self._play_oneshot([(220, 400, 'sawtooth')])
+
+    def _play_oneshot(self, segments):
+        wav = self._build_wav(segments)
+        def _run():
+            try:
+                proc = subprocess.Popen(
+                    ['aplay', '-q', '-'],
+                    stdin=subprocess.PIPE, stderr=subprocess.DEVNULL,
+                )
+                proc.communicate(input=wav, timeout=3.0)
+            except Exception:
+                pass
+        threading.Thread(target=_run, daemon=True).start()
+
+    def _build_wav(self, segments):
+        """Return WAV bytes for a list of (freq, duration_ms, waveform) tuples."""
+        samples = []
+        for freq, duration_ms, waveform in segments:
+            n = int(SAMPLE_RATE * duration_ms / 1000)
+            if _HAS_NUMPY:
+                t = np.arange(n, dtype=np.float64) / SAMPLE_RATE
+                if waveform == 'sine':
+                    s = AMPLITUDE * np.sin(2.0 * math.pi * freq * t)
+                else:
+                    s = AMPLITUDE * (2.0 * ((freq * t) % 1.0) - 1.0)
+                samples.extend((s * 32767).astype(np.int16).tolist())
+            else:
+                for i in range(n):
+                    tt = i / SAMPLE_RATE
+                    if waveform == 'sine':
+                        v = AMPLITUDE * math.sin(2.0 * math.pi * freq * tt)
+                    else:
+                        v = AMPLITUDE * (2.0 * ((freq * tt) % 1.0) - 1.0)
+                    samples.append(int(v * 32767))
+        buf = io.BytesIO()
+        with wave.open(buf, 'wb') as wf:
+            wf.setnchannels(1)
+            wf.setsampwidth(2)
+            wf.setframerate(SAMPLE_RATE)
+            wf.writeframes(struct.pack(f'{len(samples)}h', *samples))
+        return buf.getvalue()
+
     # ── Stream management ─────────────────────────────────────────────────────
 
     def _open_stream(self):
@@ -353,6 +404,24 @@ def _wave_btn_style(active: bool = False) -> str:
         }}
     """
 
+def _ticket_btn_style(kind: str) -> str:
+    c = C_ACCEPT if kind == 'accept' else C_REJECT
+    return f"""
+        QPushButton {{
+            background-color: {C_PANEL};
+            color: {c};
+            border: 2px solid {c};
+            border-radius: 18px;
+            font-size: 28px;
+            font-weight: bold;
+        }}
+        QPushButton:pressed {{
+            background-color: {c};
+            color: {C_WHITE};
+            border: 2px solid {c};
+        }}
+    """
+
 def _vol_btn_style() -> str:
     return f"""
         QPushButton {{
@@ -464,6 +533,8 @@ class MainWindow(QMainWindow):
         root.addLayout(self._waveform_section())
         root.addSpacing(16)
         root.addLayout(self._volume_section())
+        root.addSpacing(12)
+        root.addLayout(self._ticket_section())
         root.addStretch()
         root.addWidget(self._divider())
         root.addLayout(self._status_bar())
@@ -604,6 +675,33 @@ class MainWindow(QMainWindow):
         col.addLayout(row)
         return col
 
+    def _ticket_section(self) -> QVBoxLayout:
+        col = QVBoxLayout()
+        col.setSpacing(12)
+
+        lbl = QLabel("TICKET VALIDATOR")
+        lbl.setFont(QFont(_FONT_FAMILY, 14))
+        lbl.setStyleSheet(f"color: {C_GREY}; letter-spacing: 3px;")
+        col.addWidget(lbl)
+
+        row = QHBoxLayout()
+        row.setSpacing(20)
+
+        self.btn_accept = QPushButton("✓  ACCEPT")
+        self.btn_reject = QPushButton("✗  REJECT")
+        for btn, kind in ((self.btn_accept, 'accept'), (self.btn_reject, 'reject')):
+            btn.setMinimumHeight(110)
+            btn.setStyleSheet(_ticket_btn_style(kind))
+            btn.setFocusPolicy(Qt.NoFocus)
+
+        self.btn_accept.clicked.connect(self._play_accept)
+        self.btn_reject.clicked.connect(self._play_reject)
+
+        row.addWidget(self.btn_accept)
+        row.addWidget(self.btn_reject)
+        col.addLayout(row)
+        return col
+
     def _status_bar(self) -> QHBoxLayout:
         row = QHBoxLayout()
         self.status_lbl = QLabel("Ready  ·  SGTL5000 / ALSA")
@@ -676,6 +774,14 @@ class MainWindow(QMainWindow):
         except TypeError:
             pass
 
+    def _play_accept(self):
+        self.audio.play_accept()
+        self.status_lbl.setText("Ticket  ACCEPTED  ✓")
+
+    def _play_reject(self):
+        self.audio.play_reject()
+        self.status_lbl.setText("Ticket  REJECTED  ✗")
+
     def _on_audio_status(self, msg: str):
         self.status_lbl.setText(msg)