faster startup

drv/b15f.cpp

@@ -19,6 +19,7 @@ void B15F::init()
 	usart = open(SERIAL_DEVICE.c_str(), O_RDWR | O_NOCTTY | O_NDELAY);
 	struct termios options;
 	tcgetattr(usart, &options);
+	options.c_cflag = CS8 | CLOCAL | CREAD; 
 	options.c_iflag = IGNPAR;
 	options.c_oflag = 0;
 	options.c_lflag = 0;
@@ -28,25 +29,28 @@ void B15F::init()
 	tcflush(usart, TCIFLUSH);
 	
 	std::cout << "OK" << std::endl;
+	
+	delay(1);
 
-	// Verbindungstest muss dreimal erfolgreich sein
+	std::cout << PRE << "Teste Verbindung... " << std::flush;	
-	std::cout << PRE << "Teste Verbindung... " << std::flush;
+	uint8_t tries = 3;
-	for(uint8_t i = 0; i < 3; i++)
+	while(tries--)
 	{
 		// verwerfe Daten, die µC noch hat
 		discard();
 		
 		if(!testConnection())
-			throw DriverException("Verbindungstest fehlgeschlagen. Neueste Version im Einsatz?");
+			continue;
-	}
+		
-	std::cout << "OK" << std::endl;
-
-
-	std::cout << PRE << "Teste Integer Konvertierung... " << std::flush;
-	for(uint8_t i = 0; i < 3; i++)
 		if(!testIntConv())
-			throw DriverException("Konvertierung fehlgeschlagen.");
+			continue;
+			
+		break;
+	}
+	if(tries == 0)
+			throw DriverException("Verbindungstest fehlgeschlagen. Neueste Version im Einsatz?");
 	std::cout << "OK" << std::endl;
+
 }
 
 void B15F::reconnect()
@@ -73,12 +77,14 @@ void B15F::reconnect()
 
 void B15F::discard(void)
 {
+	tcflush(usart, TCIFLUSH); // leere Puffer
 	for(uint8_t i = 0; i < 8; i++)
 	{
 		writeByte(RQ_DISC);	// sende discard Befehl (verwerfe input)
-		delay(1);
+		delay(10);
-		tcflush(usart, TCIFLUSH); // leere Puffer
 	}
+	delay(100);
+	tcflush(usart, TCIFLUSH); // leere Puffer
 }
 
 bool B15F::testConnection()
@@ -240,7 +246,7 @@ bool B15F::analogEingabeSequenz(uint8_t channel_a, uint16_t* buffer_a, uint32_t
 		{
 			buffer_a[offset_a + i] = readInt();
 			buffer_b[offset_b + i] = readInt();
-			std::cout << "(" << i << ")   " << buffer_a[offset_a + i] << " \t| " << buffer_b[offset_b + i] << std::endl;
+			//std::cout << "(" << i << ")   " << buffer_a[offset_a + i] << " \t| " << buffer_b[offset_b + i] << std::endl;
 		}
 		
 		aw = readByte();		

gnuplotscript.gp

@@ -0,0 +1,25 @@
+set margin 10,10
+unset key
+set grid
+set title ''
+set xlabel 'UDrain  [mV]'
+set ylabel 'IDrain [mA]'
+set xrange [0:5000]
+set yrange [0:50]
+set label at 2785,31 'UGS [Digit ] = 125' left
+set label at 2663,28 'UGS [Digit ] = 150' left
+set label at 2614,25 'UGS [Digit ] = 175' left
+set label at 2541,18 'UGS [Digit ] = 200' left
+set label at 2565,21 'UGS [Digit ] = 225' left
+set label at 2468,13 'UGS [Digit ] = 250' left
+set label at 2492,15 'UGS [Digit ] = 275' left
+set label at 2443,11 'UGS [Digit ] = 300' left
+set label at 2443,11 'UGS [Digit ] = 325' left
+set label at 2394,8 'UGS [Digit ] = 350' left
+set label at 2297,4 'UGS [Digit ] = 375' left
+set label at 2297,4 'UGS [Digit ] = 400' left
+set label at 2297,4 'UGS [Digit ] = 400' left
+unset output 
+set terminal qt
+unset output
+plot "/tmp/tempfile0" using ($1*4.887586):($2*0.048876) binary format="%int16%int16" endian=big title 'UGS [Digit ] = 100' w l,"/tmp/tempfile1" using ($1*4.887586):($2*0.048876) binary format="%int16%int16" endian=big title 'UGS [Digit ] = 125' w l,"/tmp/tempfile2" using ($1*4.887586):($2*0.048876) binary format="%int16%int16" endian=big title 'UGS [Digit ] = 150' w l,"/tmp/tempfile3" using ($1*4.887586):($2*0.048876) binary format="%int16%int16" endian=big title 'UGS [Digit ] = 175' w l,"/tmp/tempfile4" using ($1*4.887586):($2*0.048876) binary format="%int16%int16" endian=big title 'UGS [Digit ] = 200' w l,"/tmp/tempfile5" using ($1*4.887586):($2*0.048876) binary format="%int16%int16" endian=big title 'UGS [Digit ] = 225' w l,"/tmp/tempfile6" using ($1*4.887586):($2*0.048876) binary format="%int16%int16" endian=big title 'UGS [Digit ] = 250' w l,"/tmp/tempfile7" using ($1*4.887586):($2*0.048876) binary format="%int16%int16" endian=big title 'UGS [Digit ] = 275' w l,"/tmp/tempfile8" using ($1*4.887586):($2*0.048876) binary format="%int16%int16" endian=big title 'UGS [Digit ] = 300' w l,"/tmp/tempfile9" using ($1*4.887586):($2*0.048876) binary format="%int16%int16" endian=big title 'UGS [Digit ] = 325' w l,"/tmp/tempfile10" using ($1*4.887586):($2*0.048876) binary format="%int16%int16" endian=big title 'UGS [Digit ] = 350' w l,"/tmp/tempfile11" using ($1*4.887586):($2*0.048876) binary format="%int16%int16" endian=big title 'UGS [Digit ] = 375' w l,"/tmp/tempfile12" using ($1*4.887586):($2*0.048876) binary format="%int16%int16" endian=big title 'UGS [Digit ] = 400' w l,"/tmp/tempfile13" using ($1*4.887586):($2*0.048876) binary format="%int16%int16" endian=big title 'UGS [Digit ] = 425' w l

main.cpp

@@ -19,7 +19,9 @@ int main()
 	
 	uint16_t ba[1024];
 	uint16_t bb[1024];
-	drv.analogEingabeSequenz(1, &ba[0], 0, 0, &bb[0], 0, 1000, -10, 101);
+	drv.analogEingabeSequenz(1, &ba[0], 0, 0, &bb[0], 0, 1023, -1, 1023);
+	
+	system("./plotty --in graph");
 	
 	std::cout << "Schluss." << std::endl;
 }