Diff: OBDII.h

Revision:

0:7ec2509aa78c

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/OBDII.h	Mon Aug 20 02:35:38 2012 +0000
@@ -0,0 +1,68 @@
+#ifndef OBDII_H
+#define OBDII_H
+
+#include "Eth.h"
+
+#define CANSPEED_125      125000        // CAN speed at 125 kbps
+#define CANSPEED_250      250000        // CAN speed at 250 kbps
+#define CANSPEED_500      500000        // CAN speed at 500 kbps
+
+ /* Details from http://en.wikipedia.org/wiki/OBD-II_PIDs */
+#define ENGINE_COOLANT_TEMP 0x05
+#define ENGINE_RPM          0x0C
+#define VEHICLE_SPEED       0x0D
+#define MAF_SENSOR          0x10
+#define THROTTLE            0x11
+#define O2_VOLTAGE          0x14
+#define FUEL_LEVEL          0x2f
+
+#define PID_REQUEST         0x7DF
+#define PID_REPLY           0x7E8
+#define PID_ENHANCED_REQUEST         0x7E0
+
+
+class OBDII : public SocketReceiver
+{
+
+public:
+
+    OBDII( CAN *c, DigitalOut *rs, int can_speed);
+    
+    void UpdateData(void);
+
+private: 
+
+    CAN *can;
+    DigitalOut *canRS;
+    
+    void request(unsigned char pid);
+    void EnhancedRequest(unsigned short pid);
+    void readCAN();
+    
+    virtual void ReceivedData(int socketStatus, int len, char *msg);
+    UDPSock *HostSock;
+    Host *statusHost;
+
+    // Use a timer to see if things take too long
+    Timer CANTimer; 
+    bool done;
+    int mode;
+    
+    unsigned short currentRequest_;
+    
+    struct ecu_info {
+        int coolantTemp;
+        int rpm;
+        int speed;
+        int mafSensor;
+        int throttle;
+        int o2Voltage;
+        int fuel;
+        float mpg;
+        
+        unsigned int supported[256];
+    } data;
+};
+
+
+#endif
\ No newline at end of file