open-tcp
xod-dev/esp8266/open-tcp
Open a TCP connection to the specified server.
Possible errors:
— Can't open TCP connection
open-tcp
@/open-tcp
Open a TCP connection to the specified server.
Possible errors:
— Can't open TCP connection
INET@/esp8266-inet
An internet connection
HOSTstring
Server name or IP address
PORTnumber
A destination server port number
CONNpulse
Open the connection
DONEpulse
Pulses when the TCP connection is successfully open
SOCKxod/net/socket
The socket connected
INET'@/esp8266-inet
An internet connection
C++ implementation
#pragma XOD evaluate_on_pin disable
#pragma XOD evaluate_on_pin enable input_CONN
#pragma XOD error_raise enable
node {
void evaluate(Context ctx) {
if (!isInputDirty<input_CONN>(ctx))
return;
auto host = getValue<input_HOST>(ctx);
char _host[length(host) + 1] = { 0 };
dump(host, _host);
uint32_t port = (uint32_t)getValue<input_PORT>(ctx);
auto inet = getValue<input_INET>(ctx);
bool res = inet.wifi->createTCP(_host, port);
if (res) {
emitValue<output_SOCK>(ctx, 0);
emitValue<output_DONE>(ctx, 1);
} else {
raiseError(ctx);
}
emitValue<output_INETU0027>(ctx, inet);
}
}