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Rewrite missing packet calculation

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This commit is contained in:
Nonoo 2020-10-18 13:52:38 +02:00
parent c80ecd2d3b
commit 4612aaeba3
3 changed files with 78 additions and 37 deletions
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20
streamcommon.go
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@ -19,8 +19,9 @@ type streamCommon struct {
readChan chan []byte
pkt7 struct {
sendSeq uint16
randIDByte [1]byte
sendSeq uint16
randIDByte [1]byte
lastConfirmedSeq uint16
}
}
@ -110,12 +111,27 @@ func (s *streamCommon) sendPkt3() {
byte(s.remoteSID >> 24), byte(s.remoteSID >> 16), byte(s.remoteSID >> 8), byte(s.remoteSID)})
}
func (s *streamCommon) waitForPkt4Answer() {
log.Debug(s.name + "/expecting a pkt4 answer")
// Example answer from radio: 0x10, 0x00, 0x00, 0x00, 0x04, 0x00, 0x00, 0x00, 0x8c, 0x7d, 0x45, 0x7a, 0x1d, 0xf6, 0xe9, 0x0b
r := s.expect(16, []byte{0x10, 0x00, 0x00, 0x00, 0x04, 0x00, 0x00, 0x00})
s.remoteSID = binary.BigEndian.Uint32(r[8:12])
log.Debugf(s.name+"/got remote session id %.8x", s.remoteSID)
}
func (s *streamCommon) sendPkt6() {
s.send([]byte{0x10, 0x00, 0x00, 0x00, 0x06, 0x00, 0x01, 0x00,
byte(s.localSID >> 24), byte(s.localSID >> 16), byte(s.localSID >> 8), byte(s.localSID),
byte(s.remoteSID >> 24), byte(s.remoteSID >> 16), byte(s.remoteSID >> 8), byte(s.remoteSID)})
}
func (s *streamCommon) waitForPkt6Answer() {
log.Debug("expecting pkt6 answer")
// Example answer from radio: 0x10, 0x00, 0x00, 0x00, 0x06, 0x00, 0x01, 0x00, 0xe8, 0xd0, 0x44, 0x50, 0xa0, 0x61, 0x39, 0xbe
s.expect(16, []byte{0x10, 0x00, 0x00, 0x00, 0x06, 0x00, 0x01, 0x00})
}
func (s *streamCommon) sendPkt7Do(replyID []byte, seq uint16) {
// Example request from PC: 0x15, 0x00, 0x00, 0x00, 0x07, 0x00, 0x09, 0x00, 0xbe, 0xd9, 0xf2, 0x63, 0xe4, 0x35, 0xdd, 0x72, 0x00, 0x78, 0x40, 0xf6, 0x02
// Example reply from radio: 0x00, 0x00, 0x00, 0x00, 0x07, 0x00, 0x09, 0x00, 0xe4, 0x35, 0xdd, 0x72, 0xbe, 0xd9, 0xf2, 0x63, 0x01, 0x78, 0x40, 0xf6, 0x02