Diff: main.cpp

Revision:

0:969924e823b4

Child:

1:2537162d070e

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/main.cpp	Tue May 12 03:32:11 2015 +0000
@@ -0,0 +1,134 @@
+/*
+Enhanced Vehicle Diagnostics
+ELM327 Version Utilizing HC-05 Bluetooth hardware and ELM327
+*/
+#include "mbed.h"
+#include "N5110.h"
+#include <string>
+using namespace std;
+
+N5110 LCD(PTB2,PTD0,PTB9,PTB3,PTD2,PTD1,PTD0);
+Serial HC05(PTC17,PTC16);
+Serial SR(USBTX,USBRX);
+
+DigitalIn sw2(SW2);
+DigitalIn sw3(SW3);
+DigitalOut led(LED_RED);
+
+char OBD[3];
+
+char percent='%';
+int flag=1;
+char OBD[]={0x01}
+char zero[2]={0x01,0x0c,};
+char OBD[13];
+char RPM[13];
+char SPD[13];
+char TMP[13];
+char MAF[13];
+char THR[13];
+
+void OBDInit(void);
+void OBDLiveData(void);
+int main() {
+      char c;
+      HC05.format(8, Serial::None, 1);
+      HC05.baud(115200);
+      LCD.init();
+      LCD.clear();
+      led=1;
+    //Initialization message//         
+    LCD.printString ("-ENHANCED-", 0, 0);
+    LCD.printString ("-VEHICLE-", 0, 1);
+    LCD.printString ("-DIAGNOSTICS-", 0, 2);
+    LCD.printString ("ECE 595", 0, 3);
+    LCD.printString ("SAM THOMAS", 0, 4);
+    wait(1);
+    LCD.clear();
+    LCD.printString ("-INITIALIZE-",0, 2);
+  
+    wait(1);
+      LCD.clear();
+      //HC05.printf(zero);
+      while(1){
+                if(flag){//static display incase HC05 connection fails
+                LCD.printString("RPM 3000", 0, 0);
+               
+                LCD.printString("SPD 65KMPH", 0, 1);
+
+                LCD.printString("TMP 80 C", 0, 2);
+
+                LCD.printString("MAF 190 g/s", 0, 3);
+
+                LCD.printString("THR 60", 0, 4);
+                }
+          
+           }
+}
+void OBDInit(){
+    if(HC05.readable()){
+        HC05.printf("ATZ\r");
+        HC05.printf("ATSP0\r");
+        HC05.printf("0100\r");
+        return 1;
+    }
+    else
+    {
+        LCD.printString("Bluetooth NOT available");
+        return 0;
+    }
+}
+void OBDLiveData(){
+    if(HC05.readable()){
+            c =HC05.getc();
+               
+
+            //SR.putc(c);
+           if(c=='~')//Get the initial character sent
+            { 
+                flag=0;
+                //for(int i=0;i<14:i++){
+                LCD.clear();
+                //takes in the whole string sent to it From PC below
+                HC05.scanf("%s",&OBD);
+                //OBD[i]=HC05.getc();
+                //}
+                SR.printf(OBD);
+                sprintf(RPM,"RPM %c%c%c%c",OBD[0],OBD[1],OBD[2],OBD[3]);
+                sprintf(SPD,"SPEED %c%cKMPH",OBD[4],OBD[5]);
+                sprintf(TMP,"E.TMP %c%c F",OBD[6],OBD[7]);
+                sprintf(MAF,"MAF %c%c%c g/s",OBD[8],OBD[9],OBD[10]);
+                sprintf(THR,"THR %c%c %c",OBD[11],OBD[12],percent);
+                LCD.clear();   
+                LCD.printString(RPM, 0, 0);
+                SR.printf(RPM);
+                LCD.printString(SPD, 0, 1);
+                SR.printf(SPD);
+                LCD.printString(TMP, 0, 2);
+                SR.printf(TMP);
+                LCD.printString(MAF, 0, 3);
+                SR.printf(MAF);
+                LCD.printString(THR, 0, 4);
+                SR.printf(THR);
+                //If SW2 is pressed Check Engine codes are displayed
+                if(!sw2){
+                  if(!sw2){
+                  LCD.clear();
+                  LCD.printString ("CHECKING ", 0, 0);
+                  LCD.printString ("ENGINE ", 0, 1);
+                  LCD.printString ("Code(s) ", 0, 2);
+                  wait(2);
+                  LCD.clear();
+                  LCD.printString ("DTC CODE: ", 0, 0);
+                  LCD.printString ("P0103 ", 0, 1);
+                  LCD.printString ("Mass Air Flow", 0, 2);
+                  LCD.printString ("High Input", 0, 3);
+                  led=0;
+                  wait(2);
+                  }
+                }
+            }
+                
+            }
+        
+}
\ No newline at end of file