guoqiancheng/Dynamic_environmental_detection
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添加gpio控制

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This commit is contained in:
gqc 2025-12-03 14:13:11 +08:00
parent 18205b02df
commit d91e6e41e1
7 changed files with 223 additions and 18 deletions
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1
.idea/vcs.xml generated
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@ -2,5 +2,6 @@
<project version="4">
<component name="VcsDirectoryMappings">
<mapping directory="$PROJECT_DIR$" vcs="Git" />
<mapping directory="$PROJECT_DIR$/rk1808-yolov5-inference" vcs="Git" />
</component>
</project>

2
README.md
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@ -18,7 +18,7 @@
"task_id": "6589",
"address": "房间南侧",
"type": "1",
"facility": "02"
"facility": "02"
},
{
"host_uuid": "qbxmjyzrkpntfgswaevodhluicqzxplkm",

47
business/gpio_ctrl.go Normal file
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@ -0,0 +1,47 @@
// gpio_controller.go
package business
import (
"fmt"
"os"
"strconv"
"time"
)
const BuzzerGPIO = 109
// TriggerBuzzer 触发蜂鸣器响指定秒数
func TriggerBuzzer(seconds int) {
if seconds <= 0 {
seconds = 10
}
// 必须用同步！异步 goroutine 在某些系统里会被静默丢弃
fmt.Printf("蜂鸣器开始响铃 %d 秒...\n", seconds)
gpioPath := fmt.Sprintf("/sys/class/gpio/gpio%d", BuzzerGPIO)
// 1. 强制导出（即使已经导出也没事）
os.WriteFile("/sys/class/gpio/export", []byte(strconv.Itoa(BuzzerGPIO)), 0666)
time.Sleep(50 * time.Millisecond)
// 2. 强制设为输出
os.WriteFile(fmt.Sprintf("%s/direction", gpioPath), []byte("out"), 0666)
time.Sleep(10 * time.Millisecond)
// 3. 拉高 → 响
if err := os.WriteFile(fmt.Sprintf("%s/value", gpioPath), []byte("1"), 0666); err != nil {
fmt.Printf("GPIO拉高失败: %v\n", err)
} else {
fmt.Println("GPIO109 已拉高 → 蜂鸣器响！")
}
time.Sleep(time.Duration(seconds) * time.Second)
// 4. 拉低 → 停
if err := os.WriteFile(fmt.Sprintf("%s/value", gpioPath), []byte("0"), 0666); err != nil {
fmt.Printf("GPIO拉低失败: %v\n", err)
} else {
fmt.Println("GPIO109 已拉低 → 蜂鸣器停止")
}
}

39
connect/ws_channel.go
View File

@ -17,6 +17,17 @@ var (
wsURL = "ws://172.17.0.1:18080/ws"
)
type AlertMessage struct {
UUID string `json:"uuid"`
Topic string `json:"topic"`
QoS int `json:"qos"`
Content string `json:"content"`
Timeout int `json:"timeout"`
}
type AlertContent struct {
Type int `json:"type"` // 1=蜂鸣器告警
BuzzerDuration int `json:"buzzer_duration"` // 响多久（秒）
}
type WSMessage struct {
ID int64 `json:"id,omitempty"`
Method string `json:"method"`
@ -46,8 +57,9 @@ type MetricDataParams struct {
}
type PublishParams struct {
Topic string `json:"topic"`
Data json.RawMessage `json:"data,omitempty"`
Topic string `json:"topic"`
Data json.RawMessage `json:"data,omitempty"`
Content json.RawMessage `json:"content,omitempty"`
}
type WSClient struct {
@ -65,15 +77,6 @@ type WSClient struct {
reconnectFlag bool
}
// ==================== Public API ====================
//// GetWSClient returns the global WebSocket client instance
//func GetWSClient() *WSClient {
// wsMutex.RLock()
// defer wsMutex.RUnlock()
// return wsClient
//}
// InitWSChannel initializes WebSocket connection
func InitWSChannel() error {
wsMutex.Lock()
@ -361,7 +364,9 @@ func (c *WSClient) handlePublishMessage(message WSMessage) {
logger.Logger.Printf("Failed to parse publish message parameters: %v", err)
return
}
// 加这一行！万能抓包，永不漏！
logger.Logger.Printf("WebSocket 收到 publish 消息 → Topic: %s | 原始数据: %s",
publishParams.Topic, string(publishParams.Data))
c.mutex.Lock()
callback, exists := c.subscribers[publishParams.Topic]
c.mutex.Unlock()
@ -458,11 +463,11 @@ func (c *WSClient) autoReRegister() {
}
c.mutex.Unlock()
for topic, callback := range subscribers {
if err := SubscribeTopic(topic, callback); err != nil {
logger.Logger.Printf("Failed to re-subscribe topic %s: %v", topic, err)
}
}
//for topic, callback := range subscribers {
// if err := SubscribeTopic(topic, callback); err != nil {
// logger.Logger.Printf("Failed to re-subscribe topic %s: %v", topic, err)
// }
//}
}
}

BIN
dthjjc
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Binary file not shown.

68
main.go
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@ -9,6 +9,7 @@ import (
"log"
"os"
"os/signal"
"strconv"
"syscall"
"time"
)
@ -126,6 +127,13 @@ func runNormalMode() {
if err := connect.SubscribeTopic("device_updates", handleDeviceUpdates); err != nil {
log.Fatal("Topic subscription failed:", err)
}
logger.Logger.Printf("Subscribing to alert topic (/dthjjc/alert) for buzzer...")
if err := connect.SubscribeTopic("/dthjjc/alert", handleAlertMessage); err != nil {
logger.Logger.Printf("Failed to subscribe alert topic: %v (continue anyway)", err)
} else {
logger.Logger.Printf("Successfully subscribed to /dthjjc/alert → buzzer ready!")
}
// 8. 启动数据采集循环
logger.Logger.Printf("Starting data collection loop...")
@ -171,3 +179,63 @@ func startDataCollectionLoop(businessManager *business.BusinessManager) {
}
}
func handleAlertMessage(params *connect.PublishParams) {
payload := params.Content
if len(payload) == 0 {
payload = params.Data
}
if len(payload) == 0 {
logger.Logger.Printf("平台告警空包 → 强制响 3 秒")
business.TriggerBuzzer(3)
return
}
raw := string(payload)
logger.Logger.Printf("收到告警原始内容 → %s", raw)
type Cmd struct {
Type int `json:"type"`
BuzzerDuration json.RawMessage `json:"buzzer_duration"` // 万能类型！
}
var cmd Cmd
var outer string
if json.Unmarshal(payload, &outer) == nil {
logger.Logger.Printf("检测到外层是字符串 → %s", outer)
raw = outer
}
if err := json.Unmarshal([]byte(raw), &cmd); err != nil {
logger.Logger.Printf("最终解析失败: %v → 暴力识别", err)
} else if cmd.Type == 1 {
dur := 3
var temp interface{}
if json.Unmarshal(cmd.BuzzerDuration, &temp) == nil {
switch v := temp.(type) {
case string:
if n, err := strconv.Atoi(v); err == nil {
dur = n
}
case float64:
dur = int(v)
case int:
dur = v
}
}
if dur <= 0 {
dur = 3
}
logger.Logger.Printf("平台告警解析成功 → 蜂鸣器响 %d 秒！！！", dur)
business.TriggerBuzzer(dur)
return
}
// 终极兜底：只要包含 type 和 1 就响
//if strings.Contains(raw, "type") && strings.Contains(raw, "1") {
// logger.Logger.Printf("暴力识别告警指令 → 强制响 3 秒")
// business.TriggerBuzzer(3)
//}
}

84
连接线路.drawio Normal file
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