From 4c2f29384dc13f0e63393ac21ee33ee0881b750b Mon Sep 17 00:00:00 2001
From: Přemysl Janouch <p@janouch.name>
Date: Fri, 12 Apr 2019 21:50:36 +0200
Subject: Move printer stuff into the ql package

---
 brother-info/main.go | 144 ++-------------------------------------------------
 1 file changed, 3 insertions(+), 141 deletions(-)

(limited to 'brother-info')

diff --git a/brother-info/main.go b/brother-info/main.go
index 33a169b..a41d5e0 100644
--- a/brother-info/main.go
+++ b/brother-info/main.go
@@ -6,142 +6,6 @@ import (
 	"janouch.name/sklad/ql"
 )
 
-func decodeBitfieldErrors(b byte, errors [8]string) []string {
-	var result []string
-	for i := uint(0); i < 8; i++ {
-		if b&(1<<i) != 0 {
-			result = append(result, errors[i])
-		}
-	}
-	return result
-}
-
-// -----------------------------------------------------------------------------
-
-func printStatusInformation(d []byte) {
-	if d[0] != 0x80 || d[1] != 0x20 || d[2] != 0x42 || d[3] != 0x34 {
-		log.Println("unexpected status fixed bytes")
-	}
-
-	// Model code.
-	switch b := d[4]; b {
-	case 0x38:
-		log.Println("model: QL-800")
-	case 0x39:
-		log.Println("model: QL-810W")
-	case 0x41:
-		log.Println("model: QL-820NWB")
-	default:
-		log.Println("model:", b)
-	}
-
-	// d[6] seems to be 0x00 in a real-world QL-800.
-	if d[5] != 0x30 || d[6] != 0x30 || d[7] != 0x00 {
-		log.Println("unexpected status fixed bytes")
-	}
-
-	// Error information 1.
-	for _, e := range decodeBitfieldErrors(d[8], [8]string{
-		"no media", "end of media", "cutter jam", "?", "printer in use",
-		"printer turned off", "high-voltage adapter", "fan motor error"}) {
-		log.Println("error:", e)
-	}
-
-	// Error information 2.
-	for _, e := range decodeBitfieldErrors(d[9], [8]string{
-		"replace media", "expansion buffer full", "communication error",
-		"communication buffer full", "cover open", "cancel key",
-		"media cannot be fed", "system error"}) {
-		log.Println("error:", e)
-	}
-
-	// Media width.
-	log.Println("media width:", d[10], "mm")
-
-	// Media type.
-	switch b := d[11]; b {
-	case 0x00:
-		log.Println("media: no media")
-	case 0x4a, 0x0a: // 0x4a = J, in reality we get 0x0a as in QL-1100 docs
-		log.Println("media: continuous length tape")
-	case 0x4b, 0x0b: // 0x4b = K, in reality we get 0x0b as in QL-1100 docs
-		log.Println("media: die-cut labels")
-	default:
-		log.Println("media:", b)
-	}
-
-	// In a real-world QL-800, d[14] seems to be:
-	//  0x01 with die-cut 29mm long labels,
-	//  0x14 with 29mm tape,
-	//  0x23 with red-black 62mm tape,
-	// and directly corresponds to physical pins on the tape.
-	if d[12] != 0x00 || d[13] != 0x00 || d[14] != 0x3f {
-		log.Println("unexpected status fixed bytes")
-	}
-
-	// Mode.
-	log.Println("mode:", d[15])
-
-	if d[16] != 0x00 {
-		log.Println("unexpected status fixed bytes")
-	}
-
-	// Media length.
-	log.Println("media length:", d[17], "mm")
-
-	// Status type.
-	switch b := d[18]; b {
-	case 0x00:
-		log.Println("status type: reply to status request")
-	case 0x01:
-		log.Println("status type: printing completed")
-	case 0x02:
-		log.Println("status type: error occurred")
-	case 0x04:
-		log.Println("status type: turned off")
-	case 0x05:
-		log.Println("status type: notification")
-	case 0x06:
-		log.Println("status type: phase change")
-	default:
-		log.Println("status type:", b)
-	}
-
-	// Phase type.
-	switch b := d[19]; b {
-	case 0x00:
-		log.Println("phase state: receiving state")
-	case 0x01:
-		log.Println("phase state: printing state")
-	default:
-		log.Println("phase state:", b)
-	}
-
-	// Phase number.
-	log.Println("phase number:", int(d[20])*256+int(d[21]))
-
-	// Notification number.
-	switch b := d[22]; b {
-	case 0x00:
-		log.Println("notification number: not available")
-	case 0x03:
-		log.Println("notification number: cooling (started)")
-	case 0x04:
-		log.Println("notification number: cooling (finished)")
-	default:
-		log.Println("notification number:", b)
-	}
-
-	// In a real-world QL-800, d[25] seems to be:
-	//  0x01 with 29mm tape or die-cut 29mm long labels,
-	//  0x81 with red-black 62mm tape.
-	if d[23] != 0x00 || d[24] != 0x00 || d[25] != 0x00 || d[26] != 0x00 ||
-		d[27] != 0x00 || d[28] != 0x00 || d[29] != 0x00 || d[30] != 0x00 ||
-		d[31] != 0x00 {
-		log.Println("unexpected status fixed bytes")
-	}
-}
-
 func main() {
 	printer, err := ql.Open()
 	if err != nil {
@@ -150,16 +14,14 @@ func main() {
 	if printer == nil {
 		log.Fatalln("no suitable printer found")
 	}
+
 	defer printer.Close()
 
 	if err := printer.Initialize(); err != nil {
 		log.Fatalln(err)
 	}
-
-	status, err := printer.GetStatus()
-	if err != nil {
+	if err := printer.UpdateStatus(); err != nil {
 		log.Fatalln(err)
 	}
-
-	printStatusInformation(status)
+	log.Printf("status\n%s", printer.LastStatus)
 }
-- 
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