From 16180d221ea4909372d5a628d1b766e36c3f6e12 Mon Sep 17 00:00:00 2001
From: Eli Yip <yezi.2022@outlook.com>
Date: Tue, 27 May 2025 15:09:48 +0800
Subject: [PATCH] feat: add sensor component

---
 pkg/component/pressure_sensor.go | 78 ++++++++++++++++++++++++++++++++
 pkg/component/sensor.go          | 42 +++++++++++++++++
 2 files changed, 120 insertions(+)
 create mode 100644 pkg/component/pressure_sensor.go
 create mode 100644 pkg/component/sensor.go

diff --git a/pkg/component/pressure_sensor.go b/pkg/component/pressure_sensor.go
new file mode 100644
index 0000000..1c1d454
--- /dev/null
+++ b/pkg/component/pressure_sensor.go
@@ -0,0 +1,78 @@
+package component
+
+import (
+	"fmt"
+	"hands/pkg/device"
+	"math/rand/v2"
+	"time"
+)
+
+// PressureSensor 压力传感器实现
+type PressureSensor struct {
+	id           string
+	config       map[string]any
+	isActive     bool
+	samplingRate int
+	lastReading  time.Time
+}
+
+func NewPressureSensor(id string, config map[string]any) *PressureSensor {
+	return &PressureSensor{
+		id:           id,
+		config:       config,
+		isActive:     true,
+		samplingRate: 100,
+		lastReading:  time.Now(),
+	}
+}
+
+func (p *PressureSensor) GetID() string {
+	return p.id
+}
+
+func (p *PressureSensor) GetType() device.ComponentType {
+	return device.SensorComponent
+}
+
+func (p *PressureSensor) GetConfiguration() map[string]any {
+	return p.config
+}
+
+func (p *PressureSensor) IsActive() bool {
+	return p.isActive
+}
+
+func (p *PressureSensor) ReadData() (device.SensorData, error) {
+	if !p.isActive {
+		return nil, fmt.Errorf("传感器 %s 未激活", p.id)
+	}
+
+	// 模拟压力数据读取
+	// 在实际实现中，这里应该从 can-bridge 或其他数据源读取真实数据
+	pressure := rand.Float64() * 100 // 0-100 的随机压力值
+
+	values := map[string]any{
+		"pressure": pressure,
+		"unit":     "kPa",
+		"location": p.config["location"],
+	}
+
+	p.lastReading = time.Now()
+	return NewSensorData(p.id, values), nil
+}
+
+func (p *PressureSensor) GetDataType() string {
+	return "pressure"
+}
+
+func (p *PressureSensor) GetSamplingRate() int {
+	return p.samplingRate
+}
+
+func (p *PressureSensor) SetSamplingRate(rate int) error {
+	if rate <= 0 || rate > 1000 {
+		return fmt.Errorf("采样率必须在 1-1000Hz 之间")
+	}
+	p.samplingRate = rate
+	return nil
+}
diff --git a/pkg/component/sensor.go b/pkg/component/sensor.go
new file mode 100644
index 0000000..c684e19
--- /dev/null
+++ b/pkg/component/sensor.go
@@ -0,0 +1,42 @@
+package component
+
+import (
+	"hands/pkg/device"
+	"time"
+)
+
+// Sensor 传感器组件接口
+type Sensor interface {
+	device.Component
+	ReadData() (device.SensorData, error)
+	GetDataType() string
+	GetSamplingRate() int
+	SetSamplingRate(rate int) error
+}
+
+// SensorDataImpl 传感器数据的具体实现
+type SensorDataImpl struct {
+	timestamp time.Time
+	values    map[string]any
+	sensorID  string
+}
+
+func NewSensorData(sensorID string, values map[string]any) *SensorDataImpl {
+	return &SensorDataImpl{
+		timestamp: time.Now(),
+		values:    values,
+		sensorID:  sensorID,
+	}
+}
+
+func (s *SensorDataImpl) Timestamp() time.Time {
+	return s.timestamp
+}
+
+func (s *SensorDataImpl) Values() map[string]any {
+	return s.values
+}
+
+func (s *SensorDataImpl) SensorID() string {
+	return s.sensorID
+}