初步完成接收发卡报文

internal/routes/play.go

@@ -18,6 +18,9 @@ func switchPoint(point int) leaf.HandlerFunc {
 	switch point {
 	case 2: // 镇水塔点位
 		return play.OnlyVideo
+	case 4:
+		// 4号点位(发卡机)
+		return play.NewPushCard()
 	default:
 		return play.Default
 	}

internal/routes/play/default.go

@@ -13,7 +13,7 @@ func Default(c *leaf.Context) {
 	if w, ok := payload.Game["wait"]; ok {
 		select {
 		case <-c.Done():
-		case <-time.After(time.Duration(w.(int)) * time.Second):
+		case <-time.After(time.Duration(w.(float64)) * time.Second):
 		}
 	}
 }

internal/routes/play/push_card.go

@@ -0,0 +1,151 @@
+package play
+
+import (
+	"fmt"
+	"game-driver/internal/middleware"
+	"game-driver/internal/schema"
+	"game-driver/leaf"
+	"game-driver/pkg/utils"
+	"github.com/warthog618/go-gpiocdev"
+	"github.com/warthog618/go-gpiocdev/device/rpi"
+	"go.uber.org/zap"
+	"sync"
+	"time"
+)
+
+var gpios = []int{rpi.GPIO6, rpi.GPIO13, rpi.GPIO19, rpi.GPIO26}
+
+type label int
+
+func (t label) String() string {
+	switch t {
+	case rpi.GPIO6:
+		return "OutOK"
+	case rpi.GPIO13:
+		return "Lower"
+	case rpi.GPIO19:
+		return "Error"
+	case rpi.GPIO26:
+		return "Empty"
+	default:
+		return fmt.Sprint(int(t))
+	}
+}
+
+type statusData map[int]int
+
+func (data statusData) Init(offsets []int, values []int) {
+	for i := 0; i < len(offsets); i++ {
+		data[offsets[i]] = values[i]
+	}
+	zap.S().Infof(
+		"初始状态: %s-%d %s-%d %s-%d %s-%d",
+		label(rpi.GPIO6), data[rpi.GPIO6],
+		label(rpi.GPIO13), data[rpi.GPIO13],
+		label(rpi.GPIO19), data[rpi.GPIO19],
+		label(rpi.GPIO26), data[rpi.GPIO26],
+	)
+}
+
+func (data statusData) Change(offset int, value gpiocdev.LineEventType) {
+	if v, ok := data[offset]; ok {
+		if value == gpiocdev.LineEventFallingEdge {
+			if v == 0 {
+				return
+			} else {
+				zap.S().Infof("%s: 0", label(offset))
+				data[offset] = 0
+			}
+		} else if value == gpiocdev.LineEventRisingEdge {
+			if v == 1 {
+				return
+			} else {
+				zap.S().Infof("%s: 1", label(offset))
+				data[offset] = 1
+			}
+		}
+	}
+}
+
+func NewPushCard() leaf.HandlerFunc {
+	chip, err := gpiocdev.NewChip("gpiochip0", gpiocdev.AsActiveLow)
+	if err != nil {
+		zap.S().Panicln("打开 GPIO 设备失败:", err)
+	}
+	go func() {
+		<-utils.GlobalMqttClient.Done()
+		chip.Close()
+	}()
+
+	status := make(statusData)
+
+	lines, err := chip.RequestLines(
+		gpios,
+		gpiocdev.AsInput,                // 请求引脚作为输入
+		gpiocdev.WithPullUp,             // 使用上拉电阻
+		gpiocdev.WithRealtimeEventClock, // 使用实时时钟
+		gpiocdev.WithBothEdges,          // 监听上升沿和下降沿
+		gpiocdev.WithEventHandler(func(evt gpiocdev.LineEvent) {
+			status.Change(evt.Offset, evt.Type)
+		}),
+	)
+	if err != nil {
+		zap.S().Panicln("请求引脚作为输入信号失败:", err)
+	}
+	go func() {
+		<-utils.GlobalMqttClient.Done()
+		lines.Close()
+	}()
+
+	// 读取引脚初始状态
+	rr := make([]int, len(gpios), len(gpios))
+	lines.Values(rr)
+	status.Init(gpios, rr)
+
+	// 初始化发卡引脚
+	payout, err := chip.RequestLine(rpi.GPIO11, gpiocdev.AsOutput(0))
+	if err != nil {
+		zap.S().Panicf("请求引脚 %d 作为 PayOut 失败: %s\n", rpi.GPIO11, err)
+	}
+	go func() {
+		<-utils.GlobalMqttClient.Done()
+		payout.Close()
+	}()
+
+	return func(c *leaf.Context) {
+		payload := leaf.Value[*schema.PlayModal](c, middleware.PayloadJSONKey)
+
+		var action time.Duration
+		if a, ok := payload.Game["action"]; ok {
+			action = time.Duration(a.(float64))
+		}
+
+		// 等待组
+		var wait sync.WaitGroup
+		defer wait.Wait()
+
+		// 结束信号通道
+		a := make(chan struct{})
+		// 发送结束信号
+		defer close(a)
+
+		wait.Add(1)
+		go func() {
+			defer wait.Done()
+			select {
+			case <-a:
+			case <-time.After(action * time.Second):
+				// 将输出引脚设置为活动，发卡信号
+				payout.SetValue(1)
+				// 恢复为未活动，停止发卡信号
+				defer payout.SetValue(0)
+
+				// 信号持续 500ms
+				time.Sleep(500 * time.Millisecond)
+			}
+		}()
+
+		// 执行等待信号
+		Default(c)
+	}
+}