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eizo-pcap-decode.go: update for newer models
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Přemysl Eric Janouch 2024-11-28 13:28:29 +01:00
parent 7e008c154b
commit 8717f425f4
Signed by: p
GPG Key ID: A0420B94F92B9493
1 changed files with 35 additions and 7 deletions
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42
eizo-pcap-decode.go
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@ -73,10 +73,17 @@ var (
fmtIn, fmtOut, fmtReset string fmtIn, fmtOut, fmtReset string
) )
func decodeSubreport(data []byte) string { func decodeSubreport(id byte, data []byte) string {
if len(data) < 6 { critical := isCriticalSubreport(id)
if len(data) < 6 || critical && len(data) < 8 {
return fmt.Sprintf("%x", data) return fmt.Sprintf("%x", data)
} }
var cs uint16
if critical {
data, cs = data[2:], le.Uint16(data[0:2])
}
usage := uint32(le.Uint16(data[:2]))<<16 | uint32(le.Uint16(data[2:4])) usage := uint32(le.Uint16(data[:2]))<<16 | uint32(le.Uint16(data[2:4]))
filtered := make([]byte, len(data)-6) filtered := make([]byte, len(data)-6)
for i, b := range data[6:] { for i, b := range data[6:] {
@ -86,8 +93,17 @@ func decodeSubreport(data []byte) string {
filtered[i] = b filtered[i] = b
} }
} }
return fmt.Sprintf("<> %08x %04x %x %s", usage, le.Uint16(data[4:6]), if critical {
data[6:], string(filtered)) return fmt.Sprintf("<> %08x %04x=%04x %x %s",
usage, cs, le.Uint16(data[4:6]), data[6:], string(filtered))
} else if usage == 0xff0000f1 {
// No idea what this is, but it follows the format.
return fmt.Sprintf("<> %08x %04x %s",
usage, le.Uint16(data[4:6]), decodeMP(data[6:]))
} else {
return fmt.Sprintf("<> %08x %04x %x %s",
usage, le.Uint16(data[4:6]), data[6:], string(filtered))
}
} }
func decodeResult(data []byte) string { func decodeResult(data []byte) string {
@ -131,6 +147,14 @@ func isGetSubreport(id byte) bool {
return false return false
} }
func isCriticalSubreport(id byte) bool {
switch id {
case 11, 12, 13, 14:
return true
}
return false
}
func isSubreport(id byte) bool { func isSubreport(id byte) bool {
return isSetSubreport(id) || isGetSubreport(id) return isSetSubreport(id) || isGetSubreport(id)
} }
@ -143,7 +167,7 @@ func processInterrupt(p *Packet) {
if *raw { if *raw {
fmt.Printf("%s INT %02x %x\n", p.addr(), data[0], data[1:]) fmt.Printf("%s INT %02x %x\n", p.addr(), data[0], data[1:])
} else if isSubreport(data[0]) { } else if isSubreport(data[0]) {
fmt.Printf("%s INT %s\n", p.addr(), decodeSubreport(data[1:])) fmt.Printf("%s INT %s\n", p.addr(), decodeSubreport(data[0], data[1:]))
} }
} }
@ -163,7 +187,7 @@ func processControl(p *Packet) {
fmt.Printf("%s IN SR %x\n", p.addr(), data[5:]) fmt.Printf("%s IN SR %x\n", p.addr(), data[5:])
} else if isGetSubreport(data[0]) { } else if isGetSubreport(data[0]) {
fmt.Printf("%s IN %s%s%s\n", p.addr(), fmt.Printf("%s IN %s%s%s\n", p.addr(),
fmtIn, decodeSubreport(data[1:]), fmtReset) fmtIn, decodeSubreport(data[0], data[1:]), fmtReset)
} else if data[0] == 6 { } else if data[0] == 6 {
fmt.Printf("%s IN PC %04x\n", p.addr(), le.Uint16(data[1:])) fmt.Printf("%s IN PC %04x\n", p.addr(), le.Uint16(data[1:]))
} else if data[0] == 7 { } else if data[0] == 7 {
@ -172,6 +196,8 @@ func processControl(p *Packet) {
fmt.Printf("%s IN ID %s %s\n", p.addr(), data[1:9], data[9:]) fmt.Printf("%s IN ID %s %s\n", p.addr(), data[1:9], data[9:])
} else if data[0] == 9 { } else if data[0] == 9 {
fmt.Printf("%s IN MP %s\n", p.addr(), decodeMP(data[1:])) fmt.Printf("%s IN MP %s\n", p.addr(), decodeMP(data[1:]))
} else if data[0] == 10 {
fmt.Printf("%s IN CS %04x\n", p.addr(), le.Uint16(data[1:]))
} else { } else {
fmt.Printf("%s IN %02x %x\n", p.addr(), data[0], data[1:]) fmt.Printf("%s IN %02x %x\n", p.addr(), data[0], data[1:])
} }
@ -180,7 +206,9 @@ func processControl(p *Packet) {
fmt.Printf("%s OUT %02x %x\n", p.addr(), data[0], data[1:]) fmt.Printf("%s OUT %02x %x\n", p.addr(), data[0], data[1:])
} else if isSetSubreport(data[0]) { } else if isSetSubreport(data[0]) {
fmt.Printf("%s OUT %s%s%s\n", p.addr(), fmt.Printf("%s OUT %s%s%s\n", p.addr(),
fmtOut, decodeSubreport(data[1:]), fmtReset) fmtOut, decodeSubreport(data[0], data[1:]), fmtReset)
} else if data[0] == 10 {
fmt.Printf("%s OUT CS %04x\n", p.addr(), le.Uint16(data[1:]))
} else if data[0] != 1 && !isGetSubreport(data[0]) { } else if data[0] != 1 && !isGetSubreport(data[0]) {
fmt.Printf("%s OUT %02x %x\n", p.addr(), data[0], data[1:]) fmt.Printf("%s OUT %02x %x\n", p.addr(), data[0], data[1:])
} }