1 files changed, 115 insertions, 0 deletions
diff --git a/daq_system/devices/temperature.py b/daq_system/devices/temperature.py
new file mode 100644
index 0000000..5427cf6
--- /dev/null
+++ b/daq_system/devices/temperature.py
@@ -0,0 +1,115 @@
+"""
+devices/temperature.py
+
+Temperature sensor module — thermocouple / RTD / thermistor inputs.
+"""
+
+import math
+import random
+import time
+from typing import Any, Dict
+
+from PyQt6.QtWidgets import (
+    QWidget, QVBoxLayout, QFormLayout, QGroupBox,
+    QComboBox, QDoubleSpinBox, QLabel, QCheckBox
+)
+from devices.base_device import BaseDevice, ChannelConfig, DeviceInfo, DeviceStatus
+
+TEMP_COLORS = ["#ff6b35", "#ffcc00", "#c77dff", "#ff4d6d"]
+
+
+class TemperatureDevice(BaseDevice):
+    DEVICE_TYPE = "temperature"
+    ICON = "🌡"
+
+    def __init__(self, device_id: str = "temp_0", num_channels: int = 4,
+                 simulate: bool = True, sensor_type: str = "thermocouple"):
+        channels = [
+            ChannelConfig(
+                channel_id=f"tc{i}", name=f"TC {i}",
+                unit="°C", min_value=-200.0, max_value=1200.0,
+                alarm_low=0.0, alarm_high=100.0,
+                color=TEMP_COLORS[i % len(TEMP_COLORS)]
+            )
+            for i in range(num_channels)
+        ]
+        info = DeviceInfo(
+            device_id=device_id, name="Temperature",
+            device_type=self.DEVICE_TYPE,
+            description=f"{sensor_type.title()} temperature input",
+            icon=self.ICON, channels=channels
+        )
+        super().__init__(info)
+        self.simulate = simulate
+        self.sensor_type = sensor_type
+        self._start = time.time()
+        # Simulate slow thermal drift
+        self._targets = [20.0 + i * 5 for i in range(num_channels)]
+        self._currents = [20.0 + i * 5 for i in range(num_channels)]
+
+    def connect(self) -> bool:
+        self._start = time.time()
+        self.status = DeviceStatus.SIMULATED if self.simulate else DeviceStatus.ERROR
+        return self.simulate
+
+    def disconnect(self) -> None:
+        self.status = DeviceStatus.DISCONNECTED
+
+    def read_channels(self) -> Dict[str, float]:
+        result = {}
+        for i, ch in enumerate(self.info.channels):
+            if not ch.enabled:
+                continue
+            # Slow drift toward target with noise
+            diff = self._targets[i] - self._currents[i]
+            self._currents[i] += diff * 0.05 + random.gauss(0, 0.02)
+            # Occasionally shift target
+            if random.random() < 0.01:
+                self._targets[i] += random.gauss(0, 2.0)
+                self._targets[i] = max(10.0, min(200.0, self._targets[i]))
+            result[ch.channel_id] = round(self._currents[i], 2)
+        return result
+
+    def write_channel(self, channel_id: str, value: Any) -> bool:
+        return False  # Read-only
+
+    def get_config_widget(self) -> QWidget:
+        w = QWidget()
+        layout = QVBoxLayout(w)
+        grp = QGroupBox("Sensor Configuration")
+        form = QFormLayout(grp)
+
+        sensor_cb = QComboBox()
+        sensor_cb.addItems(["thermocouple", "rtd", "thermistor", "ic_sensor"])
+        sensor_cb.setCurrentText(self.sensor_type)
+        form.addRow("Sensor Type:", sensor_cb)
+
+        tc_type = QComboBox()
+        tc_type.addItems(["K", "J", "T", "E", "N", "R", "S", "B"])
+        form.addRow("TC Type:", tc_type)
+
+        unit_cb = QComboBox()
+        unit_cb.addItems(["°C", "°F", "K"])
+        form.addRow("Units:", unit_cb)
+
+        layout.addWidget(grp)
+
+        # Alarm config per channel
+        alarm_grp = QGroupBox("Alarm Setpoints")
+        alarm_layout = QVBoxLayout(alarm_grp)
+        for ch in self.info.channels:
+            row_layout = QFormLayout()
+            lo = QDoubleSpinBox()
+            lo.setRange(-200, 1200)
+            lo.setValue(ch.alarm_low or 0.0)
+            lo.setSuffix(" °C")
+            hi = QDoubleSpinBox()
+            hi.setRange(-200, 1200)
+            hi.setValue(ch.alarm_high or 100.0)
+            hi.setSuffix(" °C")
+            row_layout.addRow(f"{ch.name} Low:", lo)
+            row_layout.addRow(f"{ch.name} High:", hi)
+            alarm_layout.addLayout(row_layout)
+        layout.addWidget(alarm_grp)
+        layout.addStretch()
+        return w