#1: Add HandleScreen() function as a higher-level interface to ShowScreen()

util.go

@@ -48,3 +48,71 @@ var decodes = []int{-1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1,
 	23, 24, 25, -1, -1, -1, -1, -1, -1, -1, -1, 34, 35, 36, 37, 38, 39, 40,
 	41, -1, -1, -1, -1, -1, -1, 48, 49, 50, 51, 52, 53, 54, 55, 56, 57, -1,
 	-1, -1, -1, -1}
+
+// AIDtoString returns a string representation of an AID key name.
+func AIDtoString(aid AID) string {
+	switch aid {
+	case AIDClear:
+		return "Clear"
+	case AIDEnter:
+		return "Enter"
+	case AIDNone:
+		return "[none]"
+	case AIDPA1:
+		return "PA1"
+	case AIDPA2:
+		return "PA2"
+	case AIDPA3:
+		return "PA3"
+	case AIDPF1:
+		return "PF1"
+	case AIDPF2:
+		return "PF2"
+	case AIDPF3:
+		return "PF3"
+	case AIDPF4:
+		return "PF4"
+	case AIDPF5:
+		return "PF5"
+	case AIDPF6:
+		return "PF6"
+	case AIDPF7:
+		return "PF7"
+	case AIDPF8:
+		return "PF8"
+	case AIDPF9:
+		return "PF9"
+	case AIDPF10:
+		return "PF10"
+	case AIDPF11:
+		return "PF11"
+	case AIDPF12:
+		return "PF12"
+	case AIDPF13:
+		return "PF13"
+	case AIDPF14:
+		return "PF14"
+	case AIDPF15:
+		return "PF15"
+	case AIDPF16:
+		return "PF16"
+	case AIDPF17:
+		return "PF17"
+	case AIDPF18:
+		return "PF18"
+	case AIDPF19:
+		return "PF19"
+	case AIDPF20:
+		return "PF20"
+	case AIDPF21:
+		return "PF21"
+	case AIDPF22:
+		return "PF22"
+	case AIDPF23:
+		return "PF23"
+	case AIDPF24:
+		return "PF24"
+	default:
+		return "[unknown]"
+	}
+}