Sukkin Pang / Mbed 2 deprecated ecu_simulator Featured

CAN-Bus ECU simulator. Only part of the SAE J1979 are implemented. Uses CAN-Bus demo board as hardware platform. http://skpang.co.uk/catalog/canbus-ecu-simulator-with-lpc1768-module-p-1400.html Useful for testing diagnostic tools.

Dependencies:   TextLCD mbed

Fork of ecu_reader by Sukkin Pang

ecu_simulator.h@6:41a4ad385daa, 2014-12-30 (annotated)

Committer:
pangsk
Date:
Tue Dec 30 10:10:02 2014 +0000
Revision:
6:41a4ad385daa
Parent:
ecu_reader.h@0:908be729d27c 
Initial version.

Who changed what in which revision?

UserRevisionLine numberNew contents of line
pangsk 6:41a4ad385daa 1 #ifndef ECU_SIMULATOR_H
pangsk 6:41a4ad385daa 2 #define ECU_SIMULATOR_H
pangsk 0:908be729d27c 3
pangsk 0:908be729d27c 4 #define CANSPEED_125 125000 // CAN speed at 125 kbps
pangsk 0:908be729d27c 5 #define CANSPEED_250 250000 // CAN speed at 250 kbps
pangsk 0:908be729d27c 6 #define CANSPEED_500 500000 // CAN speed at 500 kbps
pangsk 0:908be729d27c 7
pangsk 0:908be729d27c 8 /* Details from http://en.wikipedia.org/wiki/OBD-II_PIDs */
pangsk 6:41a4ad385daa 9 #define MODE1 0x01 //Show current data
pangsk 6:41a4ad385daa 10 #define MODE2 0x02 //Show freeze frame data
pangsk 6:41a4ad385daa 11 #define MODE3 0x03 //Show stored Diagnostic Trouble Codes
pangsk 6:41a4ad385daa 12 #define MODE4 0x04 //Clear Diagnostic Trouble Codes and stored values
pangsk 6:41a4ad385daa 13
pangsk 6:41a4ad385daa 14 #define PID_SUPPORTED 0x00
pangsk 6:41a4ad385daa 15 #define MONITOR_STATUS 0x01
pangsk 0:908be729d27c 16 #define ENGINE_COOLANT_TEMP 0x05
pangsk 0:908be729d27c 17 #define ENGINE_RPM 0x0C
pangsk 0:908be729d27c 18 #define VEHICLE_SPEED 0x0D
pangsk 0:908be729d27c 19 #define MAF_SENSOR 0x10
pangsk 0:908be729d27c 20 #define THROTTLE 0x11
pangsk 0:908be729d27c 21 #define O2_VOLTAGE 0x14
pangsk 0:908be729d27c 22
pangsk 6:41a4ad385daa 23 #define MODE1_RESPONSE 0x41
pangsk 6:41a4ad385daa 24 #define MODE3_RESPONSE 0x43
pangsk 6:41a4ad385daa 25 #define MODE4_RESPONSE 0x44
pangsk 0:908be729d27c 26 #define PID_REQUEST 0x7DF
pangsk 0:908be729d27c 27 #define PID_REPLY 0x7E8
pangsk 0:908be729d27c 28
pangsk 6:41a4ad385daa 29 typedef struct{
pangsk 6:41a4ad385daa 30
pangsk 6:41a4ad385daa 31 unsigned char coolant_temp;
pangsk 6:41a4ad385daa 32 unsigned int engine_rpm;
pangsk 6:41a4ad385daa 33 unsigned char throttle_position;
pangsk 6:41a4ad385daa 34 unsigned char vehicle_speed;
pangsk 6:41a4ad385daa 35 unsigned int maf_airflow;
pangsk 6:41a4ad385daa 36 unsigned int o2_voltage;
pangsk 6:41a4ad385daa 37 unsigned char dtc;
pangsk 6:41a4ad385daa 38
pangsk 6:41a4ad385daa 39 }ecu_t;
pangsk 6:41a4ad385daa 40
pangsk 6:41a4ad385daa 41 extern ecu_t ecu;
pangsk 6:41a4ad385daa 42
pangsk 0:908be729d27c 43 namespace mbed {
pangsk 0:908be729d27c 44
pangsk 6:41a4ad385daa 45 class ecu_sim{
pangsk 0:908be729d27c 46
pangsk 6:41a4ad385daa 47 public:
pangsk 0:908be729d27c 48
pangsk 6:41a4ad385daa 49 ecu_sim(int can_speed);
pangsk 6:41a4ad385daa 50 void canspeed(int can_speed);
pangsk 6:41a4ad385daa 51 unsigned char request(void);
pangsk 6:41a4ad385daa 52
pangsk 6:41a4ad385daa 53 private:
pangsk 0:908be729d27c 54
pangsk 6:41a4ad385daa 55 int i;
pangsk 6:41a4ad385daa 56
pangsk 6:41a4ad385daa 57 };
pangsk 6:41a4ad385daa 58 }
pangsk 0:908be729d27c 59
pangsk 0:908be729d27c 60
pangsk 0:908be729d27c 61
pangsk 0:908be729d27c 62 #endif