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alienfnt: handle +++ modem escape sequences 

Allow modem to start when returning from test mode
This commit is contained in:
Flyinghead 2023-04-26 20:17:19 +02:00
parent 22d228c1b0
commit e913bae9e3
1 changed files with 47 additions and 6 deletions
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53
core/network/alienfnt_modem.cpp
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@ -46,7 +46,7 @@ struct ModemEmu : public SerialPipe
toSend.pop_front();
return c;
}
else if (connected)
else if (dataMode)
return read_pico();
else
return 0;
@ -56,7 +56,7 @@ struct ModemEmu : public SerialPipe
{
if (!toSend.empty())
return toSend.size();
else if (connected)
else if (dataMode)
return pico_available();
else
return 0;
@ -64,8 +64,40 @@ struct ModemEmu : public SerialPipe
void write(u8 data) override
{
if (connected)
write_pico(data);
if (dataMode)
{
if (pluses == 3)
{
if (sh4_sched_now64() - plusTime >= SH4_MAIN_CLOCK)
{
dataMode = false;
send("OK");
recvBuf.push_back(data);
}
else
{
write_pico('+');
write_pico('+');
write_pico('+');
write_pico(data);
}
pluses = 0;
plusTime = 0;
}
else if (data == '+')
{
if (++pluses == 3)
plusTime = sh4_sched_now64();
}
else
{
while (pluses > 0) {
write_pico('+');
pluses--;
}
write_pico(data);
}
}
else if (data == '\r' || data == '\n')
handleCmd();
else
@ -82,11 +114,18 @@ private:
if (line.substr(0, 4) == "ATDT") {
send("CONNECT 14400");
start_pico();
connected = true;
dataMode = true;
sh4_sched_request(schedId, SH4_MAIN_CLOCK / 60);
}
if (line.substr(0, 3) == "ATH")
{
stop_pico();
send("OK");
}
else if (line.substr(0, 2) == "AT")
send("OK");
else if (!line.empty())
send("ERROR");
}
void send(const std::string& l)
@ -104,8 +143,10 @@ private:
std::deque<char> toSend;
std::vector<char> recvBuf;
bool connected = false;
int schedId = -1;
int pluses = 0;
u64 plusTime = 0;
bool dataMode = false;
};
static std::unique_ptr<ModemEmu> modemEmu;