void loop()
{
char cmd;
while(!Serial.available());
digitalWrite(PIN_LED,0);
getCmd(&cmd);
switch(cmd)
{
case 'Z':
//stonycam.chipToMatlab();
frameCaptureAndTx();
//subsampleCaptureAndTx();
//config_state = invert_state();
break;
case '?':
default:
Serial.println("Z: MATLAB chip");
delay(50);
break;
}
digitalWrite(PIN_LED,1);
}
void loop()
{
char opcode,cc;
// TODO: for now, the code has no requests for tuning parameters
if(0 == gFlagCaptureRunning)
{
do
{
while(!DataConn.available());
cc = DataConn.read();
} while(SYMBOL_SOF != cc);
// grab data
while(!DataConn.available());
opcode = DataConn.read();
if(OPCODE_START == opcode)
{
gFlagCaptureRunning = 1;
DataConn.print(SYMBOL_SOF);
DataConn.print(OPCODE_START_ACK);
}
else if(OPCODE_SINGLE_FRAME == opcode)
{
digitalWriteFast(PIN_LED,0);
frameCaptureAndTx();
digitalWriteFast(PIN_LED,1);
}
else if(OPCODE_REQ_NUM_CAMS)
{
DataConn.write(SYMBOL_SOF);
DataConn.write(OPCODE_RESP_NUM_CAMS);
DataConn.write((char)NUMCAMS);
}
// otherwise, ignore
}
else
{
// check for stop command
while(DataConn.available())
{
do
{
cc=DataConn.read();
} while((DataConn.available()) && (SYMBOL_SOF != cc));
if(SYMBOL_SOF != cc)
{
continue;
}
// FIXME: if we ONLY get an SOF, we're stuck here!
while(!DataConn.available());
opcode = DataConn.read();
if(OPCODE_STOP == opcode)
{
gFlagCaptureRunning = 0;
DataConn.print(OPCODE_STOP_ACK);
return;
}
// otherwise ignore
// russ: even when other commands are added to change things (like the sample resolution
// or the framerate) these will only be accepted when a capture is not running
}
digitalWriteFast(PIN_LED,0);
frameCaptureAndTx();
digitalWriteFast(PIN_LED,1);
}
}
