From 43b5536c4d6f90fdd0125928a0c2a44c89122c8b Mon Sep 17 00:00:00 2001 From: Přemysl Janouch Date: Fri, 12 Apr 2019 03:00:17 +0200 Subject: Fix status decoding Mainly to reflect a real-world printer. --- brother-info/main.go | 16 +++++++++++----- 1 file changed, 11 insertions(+), 5 deletions(-) (limited to 'brother-info/main.go') diff --git a/brother-info/main.go b/brother-info/main.go index a1584e1..33a169b 100644 --- a/brother-info/main.go +++ b/brother-info/main.go @@ -62,15 +62,19 @@ func printStatusInformation(d []byte) { switch b := d[11]; b { case 0x00: log.Println("media: no media") - case 0x4a: + case 0x4a, 0x0a: // 0x4a = J, in reality we get 0x0a as in QL-1100 docs log.Println("media: continuous length tape") - case 0x4b: + 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) } - // d[14] seems to be 0x14 in a real-world QL-800. + // 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") } @@ -83,7 +87,7 @@ func printStatusInformation(d []byte) { } // Media length. - log.Println("media width:", d[17], "mm") + log.Println("media length:", d[17], "mm") // Status type. switch b := d[18]; b { @@ -128,7 +132,9 @@ func printStatusInformation(d []byte) { log.Println("notification number:", b) } - // d[25] seems to be 0x01 in a real-world QL-800. + // 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 { -- cgit v1.2.3-54-g00ecf