使用设计模式优化发卡机

internal/routes/play/push_card.go

@@ -1,115 +1,24 @@
 package play
 
 import (
-	"fmt"
 	"game-driver/internal/middleware"
+	"game-driver/internal/routes/play/card_device"
 	"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)
+func PushCard() leaf.HandlerFunc {
+	device, err := card_device.New("gpiochip0")
 	if err != nil {
-		zap.S().Panicln("打开 GPIO 设备失败:", err)
+		zap.S().Panicln("初始化发卡器失败: ", 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()
+		device.Close()
 	}()
 
 	return func(c *leaf.Context) {
@@ -135,13 +44,7 @@ func NewPushCard() leaf.HandlerFunc {
 			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)
+				device.PushCard()
 			}
 		}()