Sirjee Rooplall wrote:
Under freeRTOS I have created 3 Tasks, each of the Tasks, bind and listen for a connection on port 1234.
That's not a problem in netconn_accept(): netconn_bind() will have returned an error before, as only one netconn (or pcb or socket, that doesn't depend on the API used or even the IP stack used) can bind to a port at a time. That's because TCP connections have to be uniquely identified by local address+port, remote address+port; a listening pcb does not have remote address+port and can thus cannot be uniquely identified if there's a second listening connection on the same port.
You'd have to create one central accepting thread that passes incoming connections to other threads to solve this.
Simon
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