使用设计模式优化发卡机

internal/routes/play/card_device/out_gpio.go

@@ -0,0 +1,35 @@
+package card_device
+
+import (
+	"fmt"
+	"github.com/warthog618/go-gpiocdev/device/rpi"
+)
+
+type outGpioLine int
+
+const (
+	PushLine  outGpioLine = rpi.GPIO11
+	ResetLine outGpioLine = rpi.GPIO22
+	PullLine  outGpioLine = rpi.GPIO27
+)
+
+func (g outGpioLine) String() string {
+	switch g {
+	case PushLine:
+		return "PushLine"
+	case ResetLine:
+		return "ResetLine"
+	case PullLine:
+		return "PullLine"
+	default:
+		return fmt.Sprint(int(g))
+	}
+}
+
+func allOutGpio() []outGpioLine {
+	return []outGpioLine{PushLine, ResetLine, PullLine}
+}
+
+func allOutGpioInt() []int {
+	return []int{int(PushLine), int(ResetLine), int(PullLine)}
+}