|
|
|
|
@ -66,8 +66,8 @@ const unsigned char TYPE_ACK = 0x70U;
|
|
|
|
|
const unsigned char TYPE_NACK = 0x7FU;
|
|
|
|
|
|
|
|
|
|
CQnetModem::CQnetModem(int mod)
|
|
|
|
|
: assigned_module(mod)
|
|
|
|
|
, dstarSpace(0U)
|
|
|
|
|
: assigned_module(mod)
|
|
|
|
|
, dstarSpace(0U)
|
|
|
|
|
{
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
@ -84,7 +84,8 @@ bool CQnetModem::GetBufferSize()
|
|
|
|
|
{
|
|
|
|
|
std::this_thread::sleep_for(std::chrono::seconds(2));
|
|
|
|
|
|
|
|
|
|
for (int i=0; i<6; i++) {
|
|
|
|
|
for (int i=0; i<6; i++)
|
|
|
|
|
{
|
|
|
|
|
SMODEM frame;
|
|
|
|
|
|
|
|
|
|
frame.start = FRAME_START;
|
|
|
|
|
@ -94,10 +95,12 @@ bool CQnetModem::GetBufferSize()
|
|
|
|
|
if (3 != SendToModem(&frame.start))
|
|
|
|
|
return true;
|
|
|
|
|
|
|
|
|
|
for (int count = 0; count < MAX_RESPONSES; count++) {
|
|
|
|
|
for (int count = 0; count < MAX_RESPONSES; count++)
|
|
|
|
|
{
|
|
|
|
|
std::this_thread::sleep_for(std::chrono::milliseconds(10));
|
|
|
|
|
EModemResponse resp = GetModemData(&frame.start, sizeof(SVERSION));
|
|
|
|
|
if (resp == EModemResponse::status) {
|
|
|
|
|
if (resp == EModemResponse::status)
|
|
|
|
|
{
|
|
|
|
|
dstarSpace = frame.status.dsrsize;
|
|
|
|
|
printf("D-Star buffer will hold %u voice frames\n", dstarSpace);
|
|
|
|
|
return false;
|
|
|
|
|
@ -114,7 +117,8 @@ bool CQnetModem::GetVersion()
|
|
|
|
|
{
|
|
|
|
|
std::this_thread::sleep_for(std::chrono::seconds(2));
|
|
|
|
|
|
|
|
|
|
for (int i=0; i<6; i++) {
|
|
|
|
|
for (int i=0; i<6; i++)
|
|
|
|
|
{
|
|
|
|
|
SVERSION frame;
|
|
|
|
|
|
|
|
|
|
frame.start = FRAME_START;
|
|
|
|
|
@ -124,10 +128,12 @@ bool CQnetModem::GetVersion()
|
|
|
|
|
if (3 != SendToModem(&frame.start))
|
|
|
|
|
return true;
|
|
|
|
|
|
|
|
|
|
for (int count = 0; count < MAX_RESPONSES; count++) {
|
|
|
|
|
for (int count = 0; count < MAX_RESPONSES; count++)
|
|
|
|
|
{
|
|
|
|
|
std::this_thread::sleep_for(std::chrono::milliseconds(10));
|
|
|
|
|
EModemResponse resp = GetModemData(&frame.start, sizeof(SVERSION));
|
|
|
|
|
if (resp == EModemResponse::version && frame.length > 14U) {
|
|
|
|
|
if (resp == EModemResponse::version && frame.length > 14U)
|
|
|
|
|
{
|
|
|
|
|
frame.version[frame.length-4U] = '\0'; // just to make sure!
|
|
|
|
|
if (0 == memcmp(frame.version, "MMDVM ", 6U))
|
|
|
|
|
hardwareType = EHardwareType::mmdvm;
|
|
|
|
|
@ -145,7 +151,8 @@ bool CQnetModem::GetVersion()
|
|
|
|
|
hardwareType = EHardwareType::nano_dv;
|
|
|
|
|
else if (0 == memcmp(frame.version, "MMDVM_HS-", 9U))
|
|
|
|
|
hardwareType = EHardwareType::mmdvm_hs;
|
|
|
|
|
else {
|
|
|
|
|
else
|
|
|
|
|
{
|
|
|
|
|
hardwareType = EHardwareType::unknown;
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
@ -170,7 +177,8 @@ bool CQnetModem::SetFrequency()
|
|
|
|
|
|
|
|
|
|
if (hardwareType == EHardwareType::dvmega)
|
|
|
|
|
frame.length = 12U;
|
|
|
|
|
else {
|
|
|
|
|
else
|
|
|
|
|
{
|
|
|
|
|
frame.frequency.level = 255U;
|
|
|
|
|
frame.frequency.ps = __builtin_bswap32(htonl(pocsagFrequency));
|
|
|
|
|
|
|
|
|
|
@ -188,10 +196,12 @@ bool CQnetModem::SetFrequency()
|
|
|
|
|
|
|
|
|
|
int count = 0;
|
|
|
|
|
bool got_ack = false;
|
|
|
|
|
while (! got_ack) {
|
|
|
|
|
while (! got_ack)
|
|
|
|
|
{
|
|
|
|
|
std::this_thread::sleep_for(std::chrono::milliseconds(10));
|
|
|
|
|
|
|
|
|
|
switch (GetModemData(&frame.start, sizeof(SMODEM))) {
|
|
|
|
|
switch (GetModemData(&frame.start, sizeof(SMODEM)))
|
|
|
|
|
{
|
|
|
|
|
case EModemResponse::ack:
|
|
|
|
|
got_ack = true;
|
|
|
|
|
break;
|
|
|
|
|
@ -199,7 +209,8 @@ bool CQnetModem::SetFrequency()
|
|
|
|
|
fprintf(stderr, "SET_FREQ failed, returned NACK reason %u\n", frame.nack.reason);
|
|
|
|
|
return true;
|
|
|
|
|
default:
|
|
|
|
|
if (++count >= MAX_RESPONSES) {
|
|
|
|
|
if (++count >= MAX_RESPONSES)
|
|
|
|
|
{
|
|
|
|
|
fprintf(stderr, "The MMDVM is not responding to the SET_FREQ command!\n");
|
|
|
|
|
return true;
|
|
|
|
|
}
|
|
|
|
|
@ -271,10 +282,12 @@ bool CQnetModem::SetConfiguration()
|
|
|
|
|
|
|
|
|
|
int count = 0;
|
|
|
|
|
bool got_ack = false;
|
|
|
|
|
while (! got_ack) {
|
|
|
|
|
while (! got_ack)
|
|
|
|
|
{
|
|
|
|
|
std::this_thread::sleep_for(std::chrono::milliseconds(10));
|
|
|
|
|
|
|
|
|
|
switch (GetModemData(&frame.start, sizeof(SMODEM))) {
|
|
|
|
|
switch (GetModemData(&frame.start, sizeof(SMODEM)))
|
|
|
|
|
{
|
|
|
|
|
case EModemResponse::ack:
|
|
|
|
|
got_ack = true;
|
|
|
|
|
break;
|
|
|
|
|
@ -282,7 +295,8 @@ bool CQnetModem::SetConfiguration()
|
|
|
|
|
fprintf(stderr, "SET_CONFIG failed, returned NACK reason %u\n", frame.nack.reason);
|
|
|
|
|
return true;
|
|
|
|
|
default:
|
|
|
|
|
if (++count >= MAX_RESPONSES) {
|
|
|
|
|
if (++count >= MAX_RESPONSES)
|
|
|
|
|
{
|
|
|
|
|
fprintf(stderr, "The MMDVM is not responding to the SET_CONFIG command!\n");
|
|
|
|
|
return true;
|
|
|
|
|
}
|
|
|
|
|
@ -296,19 +310,22 @@ bool CQnetModem::SetConfiguration()
|
|
|
|
|
int CQnetModem::OpenModem()
|
|
|
|
|
{
|
|
|
|
|
int fd = open(MODEM_DEVICE.c_str(), O_RDWR | O_NOCTTY | O_SYNC, 0);
|
|
|
|
|
if (fd < 0) {
|
|
|
|
|
if (fd < 0)
|
|
|
|
|
{
|
|
|
|
|
printf("Failed to open device [%s], error=%d, message=%s\n", MODEM_DEVICE.c_str(), errno, strerror(errno));
|
|
|
|
|
return -1;
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
if (isatty(fd) == 0) {
|
|
|
|
|
if (isatty(fd) == 0)
|
|
|
|
|
{
|
|
|
|
|
printf("Device %s is not a tty device\n", MODEM_DEVICE.c_str());
|
|
|
|
|
close(fd);
|
|
|
|
|
return -1;
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
static termios t;
|
|
|
|
|
if (tcgetattr(fd, &t) < 0) {
|
|
|
|
|
if (tcgetattr(fd, &t) < 0)
|
|
|
|
|
{
|
|
|
|
|
printf("tcgetattr failed for %s, error=%d, message-%s\n", MODEM_DEVICE.c_str(), errno, strerror(errno));
|
|
|
|
|
close(fd);
|
|
|
|
|
return -1;
|
|
|
|
|
@ -325,7 +342,8 @@ int CQnetModem::OpenModem()
|
|
|
|
|
cfsetospeed(&t, B115200);
|
|
|
|
|
cfsetispeed(&t, B115200);
|
|
|
|
|
|
|
|
|
|
if (tcsetattr(fd, TCSANOW, &t) < 0) {
|
|
|
|
|
if (tcsetattr(fd, TCSANOW, &t) < 0)
|
|
|
|
|
{
|
|
|
|
|
printf("tcsetattr failed for %s, error=%dm message=%s\n", MODEM_DEVICE.c_str(), errno, strerror(errno));
|
|
|
|
|
close(fd);
|
|
|
|
|
return -1;
|
|
|
|
|
@ -336,28 +354,36 @@ int CQnetModem::OpenModem()
|
|
|
|
|
|
|
|
|
|
EModemResponse CQnetModem::GetModemData(unsigned char *buf, unsigned int size)
|
|
|
|
|
{
|
|
|
|
|
if (size < 4U) {
|
|
|
|
|
if (size < 4U)
|
|
|
|
|
{
|
|
|
|
|
fprintf(stderr, "Buffer size, %u is too small\n", size);
|
|
|
|
|
return EModemResponse::error;
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
// Get the start byte
|
|
|
|
|
int ret = read(serfd, buf, 1U);
|
|
|
|
|
if (ret < 0) {
|
|
|
|
|
if (ret < 0)
|
|
|
|
|
{
|
|
|
|
|
fprintf(stderr, "Error when reading frame start byte: %s\n", strerror(errno));
|
|
|
|
|
return EModemResponse::error;
|
|
|
|
|
} else if (ret == 0) {
|
|
|
|
|
}
|
|
|
|
|
else if (ret == 0)
|
|
|
|
|
{
|
|
|
|
|
printf("READ START RETURNED A ZERO!\n");
|
|
|
|
|
return EModemResponse::timeout;
|
|
|
|
|
} else if (buf[0] != FRAME_START)
|
|
|
|
|
}
|
|
|
|
|
else if (buf[0] != FRAME_START)
|
|
|
|
|
return EModemResponse::timeout;
|
|
|
|
|
|
|
|
|
|
//get the length byte
|
|
|
|
|
ret = read(serfd, buf+1, 1U);
|
|
|
|
|
if (ret < 0) {
|
|
|
|
|
if (ret < 0)
|
|
|
|
|
{
|
|
|
|
|
fprintf(stderr, "Error when reading frame length: %s\n", strerror(errno));
|
|
|
|
|
return EModemResponse::error;
|
|
|
|
|
} else if (ret == 0) {
|
|
|
|
|
}
|
|
|
|
|
else if (ret == 0)
|
|
|
|
|
{
|
|
|
|
|
printf("READ LENGTH RETURNED A ZERO!\n");
|
|
|
|
|
return(EModemResponse::timeout);
|
|
|
|
|
}
|
|
|
|
|
@ -366,44 +392,58 @@ EModemResponse CQnetModem::GetModemData(unsigned char *buf, unsigned int size)
|
|
|
|
|
|
|
|
|
|
// get the type byte
|
|
|
|
|
ret = read(serfd, buf+2, 1U);
|
|
|
|
|
if (ret < 0) {
|
|
|
|
|
if (ret < 0)
|
|
|
|
|
{
|
|
|
|
|
fprintf(stderr, "Error when reading frame type: %s\n", strerror(errno));
|
|
|
|
|
return EModemResponse::error;
|
|
|
|
|
} else if (ret == 0) {
|
|
|
|
|
}
|
|
|
|
|
else if (ret == 0)
|
|
|
|
|
{
|
|
|
|
|
printf("READ TYPE RETURNED A ZERO!\n");
|
|
|
|
|
return(EModemResponse::timeout);
|
|
|
|
|
}
|
|
|
|
|
// get the data
|
|
|
|
|
unsigned int length = buf[1];
|
|
|
|
|
unsigned int offset = 3;
|
|
|
|
|
while (offset < length) {
|
|
|
|
|
while (offset < length)
|
|
|
|
|
{
|
|
|
|
|
ret = read(serfd, buf + offset, length - offset);
|
|
|
|
|
if (ret < 0) {
|
|
|
|
|
if (ret < 0)
|
|
|
|
|
{
|
|
|
|
|
printf("Error when reading data: %s\n", strerror(errno));
|
|
|
|
|
return EModemResponse::error;
|
|
|
|
|
}
|
|
|
|
|
if (ret == 0) {
|
|
|
|
|
if (ret == 0)
|
|
|
|
|
{
|
|
|
|
|
printf("READ DATA RETURNED A ZERO!\n");
|
|
|
|
|
return(EModemResponse::timeout);
|
|
|
|
|
} else
|
|
|
|
|
}
|
|
|
|
|
else
|
|
|
|
|
offset += ret;
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
while (junk_count) {
|
|
|
|
|
while (junk_count)
|
|
|
|
|
{
|
|
|
|
|
unsigned char junk[8];
|
|
|
|
|
ret = read(serfd, junk, (junk_count > 8U) ? 8U : junk_count);
|
|
|
|
|
if (ret < 0) {
|
|
|
|
|
if (ret < 0)
|
|
|
|
|
{
|
|
|
|
|
printf("Error when reading junk: %s\n", strerror(errno));
|
|
|
|
|
return EModemResponse::error;
|
|
|
|
|
} else if (ret == 0) {
|
|
|
|
|
}
|
|
|
|
|
else if (ret == 0)
|
|
|
|
|
{
|
|
|
|
|
printf("READ junk RETURNED A ZERO!\n");
|
|
|
|
|
return(EModemResponse::timeout);
|
|
|
|
|
} else {
|
|
|
|
|
}
|
|
|
|
|
else
|
|
|
|
|
{
|
|
|
|
|
junk_count -= (unsigned int)ret;
|
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
switch (buf[2]) {
|
|
|
|
|
switch (buf[2])
|
|
|
|
|
{
|
|
|
|
|
case TYPE_ACK:
|
|
|
|
|
return EModemResponse::ack;
|
|
|
|
|
case TYPE_NACK:
|
|
|
|
|
@ -438,7 +478,8 @@ void CQnetModem::Run(const char *cfgfile)
|
|
|
|
|
CTimer statusTimer;
|
|
|
|
|
CTimer deadTimer;
|
|
|
|
|
|
|
|
|
|
while (keep_running) {
|
|
|
|
|
while (keep_running)
|
|
|
|
|
{
|
|
|
|
|
|
|
|
|
|
SMODEM frame;
|
|
|
|
|
frame.start = FRAME_START;
|
|
|
|
|
@ -454,20 +495,24 @@ void CQnetModem::Run(const char *cfgfile)
|
|
|
|
|
|
|
|
|
|
// don't care about writefds and exceptfds:
|
|
|
|
|
int ret = select(maxfs+1, &readfds, NULL, NULL, &tv);
|
|
|
|
|
if (ret < 0) {
|
|
|
|
|
if (ret < 0)
|
|
|
|
|
{
|
|
|
|
|
printf("ERROR: Run: select returned err=%d, %s\n", errno, strerror(errno));
|
|
|
|
|
break;
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
// check for a dead or disconnected radio
|
|
|
|
|
if (10.0 < deadTimer.time()) {
|
|
|
|
|
if (10.0 < deadTimer.time())
|
|
|
|
|
{
|
|
|
|
|
printf("no activity from radio for 10 sec. Exiting...\n");
|
|
|
|
|
keep_running = false;
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
if (keep_running && FD_ISSET(serfd, &readfds)) {
|
|
|
|
|
if (keep_running && FD_ISSET(serfd, &readfds))
|
|
|
|
|
{
|
|
|
|
|
deadTimer.start();
|
|
|
|
|
switch (GetModemData(&frame.start, sizeof(SMODEM))) {
|
|
|
|
|
switch (GetModemData(&frame.start, sizeof(SMODEM)))
|
|
|
|
|
{
|
|
|
|
|
case EModemResponse::data:
|
|
|
|
|
case EModemResponse::header:
|
|
|
|
|
case EModemResponse::eot:
|
|
|
|
|
@ -492,17 +537,22 @@ void CQnetModem::Run(const char *cfgfile)
|
|
|
|
|
FD_CLR(serfd, &readfds);
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
if (keep_running && FD_ISSET(ug2m, &readfds)) {
|
|
|
|
|
if (keep_running && FD_ISSET(ug2m, &readfds))
|
|
|
|
|
{
|
|
|
|
|
SDSVT dsvt;
|
|
|
|
|
ssize_t len = ToGate.Read(dsvt.title, sizeof(SDSVT));
|
|
|
|
|
|
|
|
|
|
if (len <= 0) {
|
|
|
|
|
if (len <= 0)
|
|
|
|
|
{
|
|
|
|
|
break;
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
if (0 == memcmp(dsvt.title, "DSVT", 4) && dsvt.id==0x20U && (dsvt.config==0x10U || dsvt.config==0x20U) && (len==56 || len==27)) {
|
|
|
|
|
if (0 == memcmp(dsvt.title, "DSVT", 4) && dsvt.id==0x20U && (dsvt.config==0x10U || dsvt.config==0x20U) && (len==56 || len==27))
|
|
|
|
|
{
|
|
|
|
|
ProcessGateway(dsvt);
|
|
|
|
|
} else {
|
|
|
|
|
}
|
|
|
|
|
else
|
|
|
|
|
{
|
|
|
|
|
fprintf(stderr, "Unexpected data, returned %d bytes from the gateway: %02x", int(len), *dsvt.title);
|
|
|
|
|
for (ssize_t i=1; i<len; i++)
|
|
|
|
|
fprintf(stderr, " %02x", *(dsvt.title + int(i)));
|
|
|
|
|
@ -512,7 +562,8 @@ void CQnetModem::Run(const char *cfgfile)
|
|
|
|
|
FD_CLR(ug2m, &readfds);
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
if (keep_running) {
|
|
|
|
|
if (keep_running)
|
|
|
|
|
{
|
|
|
|
|
//if (g2_is_active && PacketWait.time() > packet_wait) {
|
|
|
|
|
// // g2 has timed out
|
|
|
|
|
// frame.length = 3U;
|
|
|
|
|
@ -520,17 +571,20 @@ void CQnetModem::Run(const char *cfgfile)
|
|
|
|
|
// queue.push(CFrame(&frame.start));
|
|
|
|
|
// g2_is_active = false;
|
|
|
|
|
//}
|
|
|
|
|
if (! queue.empty()) {
|
|
|
|
|
if (! queue.empty())
|
|
|
|
|
{
|
|
|
|
|
// send queued D-Star frames to modem
|
|
|
|
|
CFrame cframe = queue.front();
|
|
|
|
|
const unsigned char type = cframe.type();
|
|
|
|
|
if ((type==TYPE_HEADER && dstarSpace>3U) || ((type==TYPE_DATA || type==TYPE_EOT || type==TYPE_LOST) && dstarSpace>0U)) {
|
|
|
|
|
if ((type==TYPE_HEADER && dstarSpace>3U) || ((type==TYPE_DATA || type==TYPE_EOT || type==TYPE_LOST) && dstarSpace>0U))
|
|
|
|
|
{
|
|
|
|
|
SendToModem(cframe.data());
|
|
|
|
|
queue.pop();
|
|
|
|
|
dstarSpace -= (type==TYPE_HEADER) ? 4U : 1U;
|
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
if (statusTimer.time() > 0.25) {
|
|
|
|
|
if (statusTimer.time() > 0.25)
|
|
|
|
|
{
|
|
|
|
|
// request a status update every 250 milliseconds
|
|
|
|
|
frame.length = 3U;
|
|
|
|
|
frame.type = TYPE_STATUS;
|
|
|
|
|
@ -550,10 +604,13 @@ int CQnetModem::SendToModem(const unsigned char *buf)
|
|
|
|
|
size_t sent = 0;
|
|
|
|
|
ssize_t length = buf[1];
|
|
|
|
|
|
|
|
|
|
while ((ssize_t)sent < length) {
|
|
|
|
|
while ((ssize_t)sent < length)
|
|
|
|
|
{
|
|
|
|
|
n = write(serfd, buf + sent, length - sent);
|
|
|
|
|
if (n < 0) {
|
|
|
|
|
if (EAGAIN != errno) {
|
|
|
|
|
if (n < 0)
|
|
|
|
|
{
|
|
|
|
|
if (EAGAIN != errno)
|
|
|
|
|
{
|
|
|
|
|
printf("Error %d writing to dvap, message=%s\n", errno, strerror(errno));
|
|
|
|
|
return -1;
|
|
|
|
|
}
|
|
|
|
|
@ -569,7 +626,8 @@ void CQnetModem::ProcessGateway(const SDSVT &dsvt)
|
|
|
|
|
static std::string superframe;
|
|
|
|
|
SMODEM frame; // destination
|
|
|
|
|
frame.start = FRAME_START;
|
|
|
|
|
if (0x10U == dsvt.config) { // write a Header packet
|
|
|
|
|
if (0x10U == dsvt.config) // write a Header packet
|
|
|
|
|
{
|
|
|
|
|
superframe.clear();
|
|
|
|
|
frame.length = 44U;
|
|
|
|
|
frame.type = TYPE_HEADER;
|
|
|
|
|
@ -584,29 +642,39 @@ void CQnetModem::ProcessGateway(const SDSVT &dsvt)
|
|
|
|
|
PacketWait.start();
|
|
|
|
|
if (LOG_QSO)
|
|
|
|
|
printf("Queued to %s flags=%02x:%02x:%02x ur=%.8s r1=%.8s r2=%.8s my=%.8s/%.4s\n", MODEM_DEVICE.c_str(), frame.header.flag[0], frame.header.flag[1], frame.header.flag[2], frame.header.ur, frame.header.r2, frame.header.r1, frame.header.my, frame.header.nm);
|
|
|
|
|
} else { // write a voice data packet
|
|
|
|
|
}
|
|
|
|
|
else // write a voice data packet
|
|
|
|
|
{
|
|
|
|
|
//const unsigned char sdsync[3] = { 0x55U, 0x2DU, 0x16U };
|
|
|
|
|
if (dsvt.ctrl & 0x40U) {
|
|
|
|
|
if (dsvt.ctrl & 0x40U)
|
|
|
|
|
{
|
|
|
|
|
if (LOG_DEBUG && superframe.size())
|
|
|
|
|
printf("Final order: %s\n", superframe.c_str());
|
|
|
|
|
frame.length = 3U;
|
|
|
|
|
frame.type = TYPE_EOT;
|
|
|
|
|
if (LOG_QSO)
|
|
|
|
|
printf("Queued modem end of transmission\n");
|
|
|
|
|
} else {
|
|
|
|
|
}
|
|
|
|
|
else
|
|
|
|
|
{
|
|
|
|
|
frame.length = 15U;
|
|
|
|
|
frame.type = TYPE_DATA;
|
|
|
|
|
memcpy(frame.voice.ambe, dsvt.vasd.voice, 12);
|
|
|
|
|
if (LOG_DEBUG) {
|
|
|
|
|
if (LOG_DEBUG)
|
|
|
|
|
{
|
|
|
|
|
const unsigned int ctrl = dsvt.ctrl & 0x3FU;
|
|
|
|
|
if (VoicePacketIsSync(dsvt.vasd.text)) {
|
|
|
|
|
if (superframe.size() > 65) {
|
|
|
|
|
if (VoicePacketIsSync(dsvt.vasd.text))
|
|
|
|
|
{
|
|
|
|
|
if (superframe.size() > 65)
|
|
|
|
|
{
|
|
|
|
|
printf("Frame order: %s\n", superframe.c_str());
|
|
|
|
|
superframe.clear();
|
|
|
|
|
}
|
|
|
|
|
const char *ch = "#abcdefghijklmnopqrstuvwxyz";
|
|
|
|
|
superframe.append(1, (ctrl<27U) ? ch[ctrl] : '%');
|
|
|
|
|
} else {
|
|
|
|
|
}
|
|
|
|
|
else
|
|
|
|
|
{
|
|
|
|
|
const char *ch = "!ABCDEFGHIJKLMNOPQRSTUVWXYZ";
|
|
|
|
|
superframe.append(1, (ctrl<27U) ? ch[ctrl] : '*');
|
|
|
|
|
}
|
|
|
|
|
@ -638,7 +706,8 @@ bool CQnetModem::ProcessModem(const SMODEM &frame)
|
|
|
|
|
dsvt.flagb[2] = ('B'==RPTR_MOD) ? 0x1U : (('C'==RPTR_MOD) ? 0x2U : 0x3U);
|
|
|
|
|
dsvt.streamid = htons(stream_id);
|
|
|
|
|
|
|
|
|
|
if (frame.type == TYPE_HEADER) { // header
|
|
|
|
|
if (frame.type == TYPE_HEADER) // header
|
|
|
|
|
{
|
|
|
|
|
nextctrl = 21U;
|
|
|
|
|
in_stream = first_voice_packet = true;
|
|
|
|
|
dsvt.config = 0x10U;
|
|
|
|
|
@ -653,20 +722,26 @@ bool CQnetModem::ProcessModem(const SMODEM &frame)
|
|
|
|
|
memcpy(dsvt.hdr.mycall, frame.header.my, 8);
|
|
|
|
|
memcpy(dsvt.hdr.sfx, frame.header.nm, 4);
|
|
|
|
|
memcpy(dsvt.hdr.pfcs, frame.header.pfcs, 2);
|
|
|
|
|
if (ToGate.Write(dsvt.title, 56)) {
|
|
|
|
|
if (ToGate.Write(dsvt.title, 56))
|
|
|
|
|
{
|
|
|
|
|
printf("ERROR: ProcessModem: Could not write gateway header packet\n");
|
|
|
|
|
return true;
|
|
|
|
|
}
|
|
|
|
|
if (LOG_QSO)
|
|
|
|
|
printf("Sent DSVT to gateway, streamid=%04x flags=%02x:%02x:%02x ur=%.8s r1=%.8s r2=%.8s my=%.8s/%.4s\n", ntohs(dsvt.streamid), dsvt.hdr.flag[0], dsvt.hdr.flag[1], dsvt.hdr.flag[2], dsvt.hdr.urcall, dsvt.hdr.rpt1, dsvt.hdr.rpt2, dsvt.hdr.mycall, dsvt.hdr.sfx);
|
|
|
|
|
} else if (in_stream && (frame.type==TYPE_DATA || frame.type==TYPE_EOT || frame.type==TYPE_LOST)) { // ambe
|
|
|
|
|
}
|
|
|
|
|
else if (in_stream && (frame.type==TYPE_DATA || frame.type==TYPE_EOT || frame.type==TYPE_LOST)) // ambe
|
|
|
|
|
{
|
|
|
|
|
const unsigned char sync[12] = { 0x9EU,0x8DU,0x32U,0x88U,0x26U,0x1AU,0x3FU,0x61U,0xE8U,0x55U,0x2DU,0x16U };
|
|
|
|
|
const unsigned char silence[12] = { 0x9EU,0x8DU,0x32U,0x88U,0x26U,0x1AU,0x3FU,0x61U,0xE8U,0x70U,0x4FU,0x93U };
|
|
|
|
|
dsvt.config = 0x20U;
|
|
|
|
|
if (frame.type == TYPE_DATA) {
|
|
|
|
|
if (frame.type == TYPE_DATA)
|
|
|
|
|
{
|
|
|
|
|
|
|
|
|
|
if (first_voice_packet) { // make sure the first voice packet is a sync frame
|
|
|
|
|
if (! VoicePacketIsSync(frame.voice.text)) { // create a quite sync voice packet
|
|
|
|
|
if (first_voice_packet) // make sure the first voice packet is a sync frame
|
|
|
|
|
{
|
|
|
|
|
if (! VoicePacketIsSync(frame.voice.text)) // create a quite sync voice packet
|
|
|
|
|
{
|
|
|
|
|
if (LOG_DEBUG)
|
|
|
|
|
printf("Warning: Inserting missing frame sync after header\n");
|
|
|
|
|
dsvt.ctrl = 0U;
|
|
|
|
|
@ -677,18 +752,21 @@ bool CQnetModem::ProcessModem(const SMODEM &frame)
|
|
|
|
|
first_voice_packet = false;
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
if (VoicePacketIsSync(frame.voice.text)) {
|
|
|
|
|
if (VoicePacketIsSync(frame.voice.text))
|
|
|
|
|
{
|
|
|
|
|
if (nextctrl < 21U)
|
|
|
|
|
fprintf(stderr, "Warning: The last superframe had %u frames, inserting missing frame(s)\n", nextctrl);
|
|
|
|
|
memcpy(dsvt.vasd.voice, silence, 12U);
|
|
|
|
|
while (nextctrl < 21U) {
|
|
|
|
|
while (nextctrl < 21U)
|
|
|
|
|
{
|
|
|
|
|
dsvt.ctrl = nextctrl++;
|
|
|
|
|
ToGate.Write(dsvt.title, 27);
|
|
|
|
|
}
|
|
|
|
|
nextctrl = 0x0U;
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
if (nextctrl > 20U) {
|
|
|
|
|
if (nextctrl > 20U)
|
|
|
|
|
{
|
|
|
|
|
fprintf(stderr, "Warning: nextctrl=%u, inserting missing sync frame\n", nextctrl);
|
|
|
|
|
dsvt.ctrl = 0U;
|
|
|
|
|
memcpy(dsvt.vasd.voice, sync, 12U);
|
|
|
|
|
@ -697,16 +775,22 @@ bool CQnetModem::ProcessModem(const SMODEM &frame)
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
memcpy(dsvt.vasd.voice, frame.voice.ambe, 12);
|
|
|
|
|
} else {
|
|
|
|
|
}
|
|
|
|
|
else
|
|
|
|
|
{
|
|
|
|
|
if (frame.type == TYPE_LOST)
|
|
|
|
|
printf("Got a TYPE_LOST packet.\n");
|
|
|
|
|
if (0U == nextctrl) {
|
|
|
|
|
if (0U == nextctrl)
|
|
|
|
|
{
|
|
|
|
|
memcpy(dsvt.vasd.voice, sync, 12);
|
|
|
|
|
} else {
|
|
|
|
|
}
|
|
|
|
|
else
|
|
|
|
|
{
|
|
|
|
|
memcpy(dsvt.vasd.voice, silence, 12);
|
|
|
|
|
}
|
|
|
|
|
nextctrl |= 0x40U;
|
|
|
|
|
if (LOG_QSO) {
|
|
|
|
|
if (LOG_QSO)
|
|
|
|
|
{
|
|
|
|
|
if (frame.type == TYPE_EOT)
|
|
|
|
|
printf("Sent DSVT end of streamid=%04x\n", ntohs(dsvt.streamid));
|
|
|
|
|
else
|
|
|
|
|
@ -715,13 +799,17 @@ bool CQnetModem::ProcessModem(const SMODEM &frame)
|
|
|
|
|
in_stream = false;
|
|
|
|
|
}
|
|
|
|
|
dsvt.ctrl = nextctrl++;
|
|
|
|
|
if (ToGate.Write(dsvt.title, 27)) {
|
|
|
|
|
if (ToGate.Write(dsvt.title, 27))
|
|
|
|
|
{
|
|
|
|
|
printf("ERROR: ProcessModem: Could not write gateway voice packet\n");
|
|
|
|
|
return true;
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
} else {
|
|
|
|
|
if (in_stream) {
|
|
|
|
|
}
|
|
|
|
|
else
|
|
|
|
|
{
|
|
|
|
|
if (in_stream)
|
|
|
|
|
{
|
|
|
|
|
fprintf(stderr, "Warning! Unexpected frame: %02x", frame.start);
|
|
|
|
|
for (unsigned int i=1U; i<frame.length; i++)
|
|
|
|
|
fprintf(stderr, ":%02x", *(&frame.start + i));
|
|
|
|
|
@ -743,12 +831,15 @@ bool CQnetModem::ReadConfig(const char *cfgFile)
|
|
|
|
|
const std::string estr; // an empty string
|
|
|
|
|
std::string type;
|
|
|
|
|
std::string modem_path("module_");
|
|
|
|
|
if (0 > assigned_module) {
|
|
|
|
|
if (0 > assigned_module)
|
|
|
|
|
{
|
|
|
|
|
// we need to find the lone mmdvmmodem module
|
|
|
|
|
for (int i=0; i<3; i++) {
|
|
|
|
|
for (int i=0; i<3; i++)
|
|
|
|
|
{
|
|
|
|
|
std::string test(modem_path);
|
|
|
|
|
test.append(1, 'a'+i);
|
|
|
|
|
if (cfg.KeyExists(test)) {
|
|
|
|
|
if (cfg.KeyExists(test))
|
|
|
|
|
{
|
|
|
|
|
cfg.GetValue(test, estr, type, 1, 16);
|
|
|
|
|
if (type.compare("mmdvmmodem"))
|
|
|
|
|
continue; // this ain't it!
|
|
|
|
|
@ -757,20 +848,27 @@ bool CQnetModem::ReadConfig(const char *cfgFile)
|
|
|
|
|
break;
|
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
if (0 > assigned_module) {
|
|
|
|
|
if (0 > assigned_module)
|
|
|
|
|
{
|
|
|
|
|
fprintf(stderr, "Error: no 'mmdvmmodem' module found\n!");
|
|
|
|
|
return true;
|
|
|
|
|
}
|
|
|
|
|
} else {
|
|
|
|
|
}
|
|
|
|
|
else
|
|
|
|
|
{
|
|
|
|
|
// make sure mmdvmmodem module is defined
|
|
|
|
|
modem_path.append(1, 'a' + assigned_module);
|
|
|
|
|
if (cfg.KeyExists(modem_path)) {
|
|
|
|
|
if (cfg.KeyExists(modem_path))
|
|
|
|
|
{
|
|
|
|
|
cfg.GetValue(modem_path, estr, type, 1, 16);
|
|
|
|
|
if (type.compare("mmdvmmodem")) {
|
|
|
|
|
if (type.compare("mmdvmmodem"))
|
|
|
|
|
{
|
|
|
|
|
fprintf(stderr, "%s = %s is not 'mmdvmmodem' type!\n", modem_path.c_str(), type.c_str());
|
|
|
|
|
return true;
|
|
|
|
|
}
|
|
|
|
|
} else {
|
|
|
|
|
}
|
|
|
|
|
else
|
|
|
|
|
{
|
|
|
|
|
fprintf(stderr, "Module '%c' is not defined.\n", 'a'+assigned_module);
|
|
|
|
|
return true;
|
|
|
|
|
}
|
|
|
|
|
@ -798,22 +896,30 @@ bool CQnetModem::ReadConfig(const char *cfgFile)
|
|
|
|
|
packet_wait = 1.0E-3 * double(PACKET_WAIT);
|
|
|
|
|
|
|
|
|
|
modem_path.append("_callsign");
|
|
|
|
|
if (cfg.KeyExists(modem_path)) {
|
|
|
|
|
if (cfg.KeyExists(modem_path))
|
|
|
|
|
{
|
|
|
|
|
if (cfg.GetValue(modem_path, type, RPTR, 3, 6))
|
|
|
|
|
return true;
|
|
|
|
|
} else {
|
|
|
|
|
}
|
|
|
|
|
else
|
|
|
|
|
{
|
|
|
|
|
modem_path.assign("ircddb_login");
|
|
|
|
|
if (cfg.KeyExists(modem_path)) {
|
|
|
|
|
if (cfg.KeyExists(modem_path))
|
|
|
|
|
{
|
|
|
|
|
if (cfg.GetValue(modem_path, estr, RPTR, 3, 6))
|
|
|
|
|
return true;
|
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
int l = RPTR.length();
|
|
|
|
|
if (l<3 || l>6) {
|
|
|
|
|
if (l<3 || l>6)
|
|
|
|
|
{
|
|
|
|
|
printf("Call '%s' is invalid length!\n", RPTR.c_str());
|
|
|
|
|
return true;
|
|
|
|
|
} else {
|
|
|
|
|
for (int i=0; i<l; i++) {
|
|
|
|
|
}
|
|
|
|
|
else
|
|
|
|
|
{
|
|
|
|
|
for (int i=0; i<l; i++)
|
|
|
|
|
{
|
|
|
|
|
if (islower(RPTR[i]))
|
|
|
|
|
RPTR[i] = toupper(RPTR[i]);
|
|
|
|
|
}
|
|
|
|
|
@ -829,12 +935,14 @@ bool CQnetModem::ReadConfig(const char *cfgFile)
|
|
|
|
|
int main(int argc, const char **argv)
|
|
|
|
|
{
|
|
|
|
|
setbuf(stdout, NULL);
|
|
|
|
|
if (2 != argc) {
|
|
|
|
|
if (2 != argc)
|
|
|
|
|
{
|
|
|
|
|
fprintf(stderr, "usage: %s path_to_config_file\n", argv[0]);
|
|
|
|
|
return 1;
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
if ('-' == argv[1][0]) {
|
|
|
|
|
if ('-' == argv[1][0])
|
|
|
|
|
{
|
|
|
|
|
printf("\nQnetModem Version %s Copyright (C) 2019 by Thomas A. Early N7TAE\n", MODEM_VERSION);
|
|
|
|
|
printf("QnetModem comes with ABSOLUTELY NO WARRANTY; see the LICENSE for details.\n");
|
|
|
|
|
printf("This is free software, and you are welcome to distribute it\n");
|
|
|
|
|
@ -843,14 +951,16 @@ int main(int argc, const char **argv)
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
const char *qn = strstr(argv[0], "qnmodem");
|
|
|
|
|
if (NULL == qn) {
|
|
|
|
|
if (NULL == qn)
|
|
|
|
|
{
|
|
|
|
|
fprintf(stderr, "Error finding 'qnmodem' in %s!\n", argv[0]);
|
|
|
|
|
return 1;
|
|
|
|
|
}
|
|
|
|
|
qn += 7;
|
|
|
|
|
|
|
|
|
|
int assigned_module;
|
|
|
|
|
switch (*qn) {
|
|
|
|
|
switch (*qn)
|
|
|
|
|
{
|
|
|
|
|
case NULL:
|
|
|
|
|
assigned_module = -1;
|
|
|
|
|
break;
|
|
|
|
|
|
Tom Early
5 years ago