Initial work on comms

comms.h

@@ -0,0 +1,8 @@
+#include <Serial.h>
+#include "globals.h"
+
+void command();
+void sendValues();
+void saveConfig();
+void sendPage();
+void testComm();

comms.ino

@@ -0,0 +1,109 @@
+void command()
+{
+  switch (Serial.read()) 
+  {
+      case 'A': // send 22 bytes of realtime values
+        sendValues(22);
+        break;
+
+      case 'B': // store to eeprom
+        saveConfig();
+        break;
+
+      case 'C': // test communications
+        testComm();
+        break;
+
+      case 'P': // set the current page
+        digitalWrite(10, HIGH);
+        digitalWrite(9, LOW);
+        digitalWrite(13, LOW);
+        Serial.read(); //Not doing anything with this currently, but need to read the 2nd byte from the buffer
+        break; 
+
+      case 'R': // send 39 bytes of realtime values
+        sendValues(39);
+        break;    
+
+      case 'S': // send code version
+        Serial.write(ms_version);
+        break;
+
+      case 'Q': // send code version
+        digitalWrite(9, LOW);
+        digitalWrite(10, LOW);
+        digitalWrite(13, LOW);
+        Serial.write(ms_version);
+        break;
+
+      case 'V': // send VE table and constants
+        digitalWrite(9, LOW);
+        digitalWrite(10, LOW);
+        digitalWrite(13, HIGH);
+        sendPage();
+        break;
+
+      case 'W': // receive new VE or constant at 'W'+<offset>+<newbyte>
+        digitalWrite(9, HIGH);
+        digitalWrite(10, LOW);
+        digitalWrite(13, LOW);
+        Serial.read();
+        Serial.read(); //Not doing anything with this currently, but need to read the next 2 bytes from the buffer
+	break;
+
+      default:
+	break;
+  } 
+}
+
+void sendValues(int length)
+{
+  byte response[22];
+  
+  response[0] = (uint8_t)1; //rtc.sec;
+
+  boolean a = 0; //inj_port1.status;
+  boolean b = 0; //inj_port2.status;
+  response[1] =  ((a & 0x01) << 0) | ((a & 0x02) << 1) | ((a & 0x04) << 1) | ((b & 0x01) << 1) | ((b & 0x02) << 3) | ((b & 0x04) << 3); //squirt
+
+  response[2] = 0; // Engine Status 
+  response[3] = 0x00; //baro
+  response[4] = 0x00; //map
+  response[5] = 0x00; //mat
+  response[6] = 0x00; //Coolant
+  response[7] = 0x00; //TPS
+  response[8] = 0x00; //battery voltage
+  response[9] = 0x00; //O2
+  response[10] = 0x00; //Exhaust gas correction (%)
+  response[11] = 0x00; //Air Correction (%)
+  response[12] = 0x00; //Warmup enrichment (%)
+  response[13] = (rpm / 100); //rpm / 100
+  response[14] = 0x00; //Pulsewidth 1 divided by 10 (in ms)
+  response[15] = 0x00; //acceleration enrichment (ms)
+  response[16] = 0x00; //Barometer correction (%)
+  response[17] = 0x00; //Total GammaE (%)
+  response[18] = 0x00; //Current VE 1 (%)
+  response[19] = 0x00; //Pulsewidth 2 divided by 10 (in ms)
+  response[20] = 0x00; //mCurrent VE 2 (%)
+  response[21] = 0x00; //Idle
+
+  Serial.write(response, (size_t)22);
+  return; 
+}
+
+void saveConfig()
+{
+  return; 
+}
+
+void sendPage()
+{
+  Serial.write((uint8_t *)&fuelTable.values, sizeof(fuelTable.values));
+  return; 
+}
+
+void testComm()
+{
+  Serial.write(1);
+  return; 
+}

globals.h

@@ -0,0 +1,3 @@
+#include <Arduino.h>
+
+byte ms_version = 20;

kartduino.ino

@@ -30,6 +30,7 @@ Need to calculate the req_fuel figure here, preferably in pre-processor macro
 #include "table.h"
 #include "testing.h"
 #include "scheduler.h"
+#include "comms.h"
 
 #include "fastAnalog.h"
 #include "digitalIOPerformance.h"
@@ -116,6 +117,10 @@ void setup() {
   dummyIgnitionTable(&ignitionTable);
   initialiseScheduler();
   counter = 0;
+  
+  //Setup some LEDs for testing
+  pinMode(10, OUTPUT);
+  pinMode(9, OUTPUT);
 }
 
 void loop() 
@@ -133,7 +138,7 @@ void loop()
         rpm = US_IN_MINUTE / revolutionTime;
       }
       //Serial.print("RPM: "); Serial.println(rpm);
-      rpm = 1000;
+      //rpm = 1000;
       //Get the current MAP value
       int MAP = 20; //Placeholder
       int TPS = 20; //Placeholder
@@ -184,6 +189,12 @@ void loop()
                   );
       }
       
+      //Check for any requets from serial
+      if (Serial.available() > 0) 
+      {
+        command();
+      }
+      
       
       //Serial.println(VE);
       //Serial.print("VE: ");