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Decode GPD/APRS data from DSTAR slow data

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main
Doug McLain 8 months ago
parent e70872f896
commit 772ae5acbe
1 changed files with 83 additions and 21 deletions
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104
ref.cpp
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@ -43,8 +43,11 @@ void REF::process_udp()
QHostAddress sender;
quint16 senderPort;
static bool sd_sync = 0;
static int sd_seq = 0;
static int sd_txt_seq = 0;
static int sd_gps_seq = 0;
static int sd_gps_cnt = 0;
static char user_data[21];
static char gps_data[100];
const uint8_t header[5] = {0x80,0x44,0x53,0x56,0x54};
buf.resize(m_udp->pendingDatagramSize());
@ -197,56 +200,114 @@ void REF::process_udp()
m_rxmodemq.append(buf.data()[17+i]);
}
}
if((buf.data()[16] == 0) && (buf.data()[26] == 0x55) && (buf.data()[27] == 0x2d) && (buf.data()[28] == 0x16)){
sd_sync = 1;
sd_seq = 1;
sd_txt_seq = 1;
}
if(sd_sync && (sd_seq == 1) && (buf.data()[16] == 1) && (buf.data()[26] == 0x30)){
if( sd_sync && (buf.data()[26] & 0xf0) == 0x40){
sd_gps_cnt = (buf.data()[26] & 0x0f);
gps_data[sd_gps_seq] = buf.data()[27] ^ 0x4f;
if( (gps_data[sd_gps_seq] == 0x0a) || (gps_data[sd_gps_seq] == 0x0d) ){
gps_data[sd_gps_seq] = '\0';
sd_gps_seq = 0;
sd_gps_cnt = 0;
qDebug() << "GPS string: " << QString(gps_data);
}
else{
sd_gps_seq++;
sd_gps_cnt--;
gps_data[sd_gps_seq] = buf.data()[28] ^ 0x93;
if( (gps_data[sd_gps_seq] == 0x0a) || (gps_data[sd_gps_seq] == 0x0d) ){
gps_data[sd_gps_seq] = '\0';
sd_gps_seq = 0;
sd_gps_cnt = 0;
qDebug() << "GPS string: " << QString(gps_data);
}
else{
sd_gps_seq++;
sd_gps_cnt--;
}
}
}
else if(sd_gps_cnt){
gps_data[sd_gps_seq] = buf.data()[26] ^ 0x70;
if( (gps_data[sd_gps_seq] == 0x0a) || (gps_data[sd_gps_seq] == 0x0d) ){
gps_data[sd_gps_seq] = '\0';
sd_gps_seq = 0;
sd_gps_cnt = 0;
qDebug() << "GPS string: " << QString(gps_data);
}
else{
sd_gps_seq++;
gps_data[sd_gps_seq] = buf.data()[27] ^ 0x4f;
if( (gps_data[sd_gps_seq] == 0x0a) || (gps_data[sd_gps_seq] == 0x0d) ){
gps_data[sd_gps_seq] = '\0';
sd_gps_seq = 0;
sd_gps_cnt = 0;
qDebug() << "GPS string: " << QString(gps_data);
}
else{
sd_gps_seq++;
gps_data[sd_gps_seq] = buf.data()[28] ^ 0x93;
if( (gps_data[sd_gps_seq] == 0x0a) || (gps_data[sd_gps_seq] == 0x0d) ){
gps_data[sd_gps_seq] = '\0';
sd_gps_seq = 0;
sd_gps_cnt = 0;
qDebug() << "GPS string: " << QString(gps_data);
}
else{
sd_gps_seq++;
}
}
}
sd_gps_cnt = 0;
}
if(sd_sync && (sd_txt_seq == 1) && (buf.data()[16] == 1) && (buf.data()[26] == 0x30)){
user_data[0] = buf.data()[27] ^ 0x4f;
user_data[1] = buf.data()[28] ^ 0x93;
++sd_seq;
++sd_txt_seq;
}
if(sd_sync && (sd_seq == 2) && (buf.data()[16] == 2)){
if(sd_sync && (sd_txt_seq == 2) && (buf.data()[16] == 2)){
user_data[2] = buf.data()[26] ^ 0x70;
user_data[3] = buf.data()[27] ^ 0x4f;
user_data[4] = buf.data()[28] ^ 0x93;
++sd_seq;
++sd_txt_seq;
}
if(sd_sync && (sd_seq == 3) && ((buf.data()[16] == 3) || (buf.data()[16] == 5)) && (buf.data()[26] == 0x31)){
if(sd_sync && (sd_txt_seq == 3) && ((buf.data()[16] == 3) || (buf.data()[16] == 5)) && (buf.data()[26] == 0x31)){
user_data[5] = buf.data()[27] ^ 0x4f;
user_data[6] = buf.data()[28] ^ 0x93;
++sd_seq;
++sd_txt_seq;
}
if(sd_sync && (sd_seq == 4) && ((buf.data()[16] == 4) || (buf.data()[16] == 6))){
if(sd_sync && (sd_txt_seq == 4) && ((buf.data()[16] == 4) || (buf.data()[16] == 6))){
user_data[7] = buf.data()[26] ^ 0x70;
user_data[8] = buf.data()[27] ^ 0x4f;
user_data[9] = buf.data()[28] ^ 0x93;
++sd_seq;
++sd_txt_seq;
}
if(sd_sync && (sd_seq == 5) && ((buf.data()[16] == 5) || (buf.data()[16] == 9)) && (buf.data()[26] == 0x32)){
if(sd_sync && (sd_txt_seq == 5) && ((buf.data()[16] == 5) || (buf.data()[16] == 9)) && (buf.data()[26] == 0x32)){
user_data[10] = buf.data()[27] ^ 0x4f;
user_data[11] = buf.data()[28] ^ 0x93;
++sd_seq;
++sd_txt_seq;
}
if(sd_sync && (sd_seq == 6) && ((buf.data()[16] == 6) || (buf.data()[16] == 10))){
if(sd_sync && (sd_txt_seq == 6) && ((buf.data()[16] == 6) || (buf.data()[16] == 10))){
user_data[12] = buf.data()[26] ^ 0x70;
user_data[13] = buf.data()[27] ^ 0x4f;
user_data[14] = buf.data()[28] ^ 0x93;
++sd_seq;
++sd_txt_seq;
}
if(sd_sync && (sd_seq == 7) && ((buf.data()[16] == 7) || (buf.data()[16] == 13)) && (buf.data()[26] == 0x33)){
if(sd_sync && (sd_txt_seq == 7) && ((buf.data()[16] == 7) || (buf.data()[16] == 13)) && (buf.data()[26] == 0x33)){
user_data[15] = buf.data()[27] ^ 0x4f;
user_data[16] = buf.data()[28] ^ 0x93;
++sd_seq;
++sd_txt_seq;
}
if(sd_sync && (sd_seq == 8) && ((buf.data()[16] == 8) || (buf.data()[16] == 14))){
if(sd_sync && (sd_txt_seq == 8) && ((buf.data()[16] == 8) || (buf.data()[16] == 14))){
user_data[17] = buf.data()[26] ^ 0x70;
user_data[18] = buf.data()[27] ^ 0x4f;
user_data[19] = buf.data()[28] ^ 0x93;
user_data[20] = '\0';
sd_sync = 0;
sd_seq = 0;
user_data[20] = '\0';
//if(sd_gps_seq == 0) sd_sync = 0;
sd_txt_seq = 0;
m_modeinfo.usertxt = QString(user_data);
}
for(int i = 0; i < 9; ++i){
@ -269,6 +330,7 @@ void REF::process_udp()
m_modeinfo.ts = QDateTime::currentMSecsSinceEpoch();
emit update(m_modeinfo);
m_modeinfo.streamid = 0;
sd_sync = 0;
}
}
//emit update(m_modeinfo);

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