void ui_loop(){
switch(ui_state){
case UI_READY:
serve();
break;
case UI_TWILOCK:
// we do not process new socket inputs, as we have to wait for the twi bus to become ready:
if(twi_try_lock_bus()){
// we aquired the bus
// now we have to do our access as fast as possible, as others might wait for bus access:
// call command handler, who waits for access to the bus:
twi_access_fun();
sock_stream_flush();
// we again accept commands
ui_state = UI_READY;
twi_free_bus();
// handle other already existing commands in the buffer
handleCMD(stream_get_sock());
}
break;
}
}
void net_dataAvailable(struct dummy_packet * received, uint8_t src_addr){
// This function is called, everytime, a set o measurement results from
// one collector board was successfully received.
uint8_t i;
// make a backup of currently active socket
// as we have to switch socket to db socket
uint8_t currSock = stream_get_sock();
// flush the active socket here?
sock_stream_flush();
//puts_P(PSTR("."));
// send data to the database, if required:
if(cfg.send_db){
net_sendResultToDB(received, src_addr);
//puts_P(PSTR(","));
}
// now send data to user intrefaces, if they requested so:
for(i=0; i< MAX_SERVER_SOCK_NUM; i++){
if (data_request[i]){
if(W5100.readSnSR(i+FIRST_SERVER_SOCK) == SnSR::ESTABLISHED){
stream_set_sock(i+FIRST_SERVER_SOCK);
fprintf_P(&sock_stream, PSTR("\n%u :: "), src_addr);
send_result(received);
sock_stream_flush();
}else{
// if no the requesting client is already disconnected,
// remove him from the request list:
data_request[i] = 0;
}
}
}
//puts_P(PSTR("-"));
// restore socket:
stream_set_sock(currSock);
}
