Sam Thomas / Mbed 2 deprecated CarDiagnosticsOBDII Featured

This Project allows for you to see live engine data from your vehicle on the LCD display. Utilizing K64F platform,Nokia 5110 LCD and HC05 Bluetooth hardware to interface with an In-Vehicle ELM327 Bluetooth dongle connected to the OBDII port. The K64F system will query the ELM327 device for live engine data and display it onscreen.

Dependencies:   mbed N5110

Files at this revision

API Documentation at this revision

Revision 1:2537162d070e, committed 2015-05-12

Comitter:
samthomas90
Date:
Tue May 12 07:00:33 2015 +0000
Parent:
0:969924e823b4
Commit message:
Code Cleaned up

Changed in this revision

N5110.lib Show annotated file Show diff for this revision Revisions of this file
main.cpp Show annotated file Show diff for this revision Revisions of this file 
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/N5110.lib	Tue May 12 07:00:33 2015 +0000
@@ -0,0 +1,1 @@
+http://developer.mbed.org/users/eencae/code/N5110/#ba8addc061ea

--- a/main.cpp	Tue May 12 03:32:11 2015 +0000
+++ b/main.cpp	Tue May 12 07:00:33 2015 +0000
@@ -15,11 +15,8 @@
 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];
@@ -28,7 +25,7 @@
 char MAF[13];
 char THR[13];
 
-void OBDInit(void);
+int OBDInit(void);
 void OBDLiveData(void);
 int main() {
       char c;
@@ -41,12 +38,12 @@
     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);
+    //LCD.printString ("ECE 595", 0, 3);
+    //LCD.printString ("SAM THOMAS", 0, 4);
     wait(1);
     LCD.clear();
     LCD.printString ("-INITIALIZE-",0, 2);
-  
+    OBDInit();
     wait(1);
       LCD.clear();
       //HC05.printf(zero);
@@ -62,10 +59,13 @@
 
                 LCD.printString("THR 60", 0, 4);
                 }
+                else{
+                    OBDLiveData();
+                    }
           
            }
 }
-void OBDInit(){
+int OBDInit(){
     if(HC05.readable()){
         HC05.printf("ATZ\r");
         HC05.printf("ATSP0\r");
@@ -74,25 +74,20 @@
     }
     else
     {
-        LCD.printString("Bluetooth NOT available");
+        LCD.printString("Bluetooth NOT available",0,0);
         return 0;
     }
 }
 void OBDLiveData(){
+    char c;
     if(HC05.readable()){
-            c =HC05.getc();
-               
-
-            //SR.putc(c);
+           c=HC05.getc();
            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]);
@@ -127,8 +122,6 @@
                   wait(2);
                   }
                 }
-            }
-                
+              }
             }
-        
 }
\ No newline at end of file