Satoshi Nadakiti
only read CAN-bus data (not send any data to car)
ecu_reader.h@0:78752077cc25, 2011-11-09 (annotated)
- Committer:
- nadakiti
- Date:
- Wed Nov 09 04:59:01 2011 +0000
- Revision:
- 0:78752077cc25
Who changed what in which revision?
| User | Revision | Line number | New contents of line |
|---|---|---|---|
| nadakiti | 0:78752077cc25 | 1 | #ifndef ECU_READER_H |
| nadakiti | 0:78752077cc25 | 2 | #define ECU_READER_H |
| nadakiti | 0:78752077cc25 | 3 | |
| nadakiti | 0:78752077cc25 | 4 | #define CANSPEED_125 125000 // CAN speed at 125 kbps |
| nadakiti | 0:78752077cc25 | 5 | #define CANSPEED_250 250000 // CAN speed at 250 kbps |
| nadakiti | 0:78752077cc25 | 6 | #define CANSPEED_500 500000 // CAN speed at 500 kbps |
| nadakiti | 0:78752077cc25 | 7 | |
| nadakiti | 0:78752077cc25 | 8 | /* Details from http://en.wikipedia.org/wiki/OBD-II_PIDs */ |
| nadakiti | 0:78752077cc25 | 9 | #define ENGINE_COOLANT_TEMP 0x05 |
| nadakiti | 0:78752077cc25 | 10 | #define ENGINE_RPM 0x0C |
| nadakiti | 0:78752077cc25 | 11 | #define VEHICLE_SPEED 0x0D |
| nadakiti | 0:78752077cc25 | 12 | #define MAF_SENSOR 0x10 |
| nadakiti | 0:78752077cc25 | 13 | #define THROTTLE 0x11 |
| nadakiti | 0:78752077cc25 | 14 | #define O2_VOLTAGE 0x14 |
| nadakiti | 0:78752077cc25 | 15 | |
| nadakiti | 0:78752077cc25 | 16 | #define PID_REQUEST 0x7DF |
| nadakiti | 0:78752077cc25 | 17 | #define PID_REPLY 0x7E8 |
| nadakiti | 0:78752077cc25 | 18 | |
| nadakiti | 0:78752077cc25 | 19 | #define TIMEOUT 200 |
| nadakiti | 0:78752077cc25 | 20 | |
| nadakiti | 0:78752077cc25 | 21 | namespace mbed { |
| nadakiti | 0:78752077cc25 | 22 | |
| nadakiti | 0:78752077cc25 | 23 | class ecu_reader{ |
| nadakiti | 0:78752077cc25 | 24 | |
| nadakiti | 0:78752077cc25 | 25 | public: |
| nadakiti | 0:78752077cc25 | 26 | |
| nadakiti | 0:78752077cc25 | 27 | ecu_reader(int can_speed); |
| nadakiti | 0:78752077cc25 | 28 | |
| nadakiti | 0:78752077cc25 | 29 | unsigned char request(unsigned char pid, char *buffer); |
| nadakiti | 0:78752077cc25 | 30 | |
| nadakiti | 0:78752077cc25 | 31 | private: |
| nadakiti | 0:78752077cc25 | 32 | |
| nadakiti | 0:78752077cc25 | 33 | int i; |
| nadakiti | 0:78752077cc25 | 34 | |
| nadakiti | 0:78752077cc25 | 35 | }; |
| nadakiti | 0:78752077cc25 | 36 | |
| nadakiti | 0:78752077cc25 | 37 | |
| nadakiti | 0:78752077cc25 | 38 | |
| nadakiti | 0:78752077cc25 | 39 | |
| nadakiti | 0:78752077cc25 | 40 | |
| nadakiti | 0:78752077cc25 | 41 | } |
| nadakiti | 0:78752077cc25 | 42 | |
| nadakiti | 0:78752077cc25 | 43 | |
| nadakiti | 0:78752077cc25 | 44 | |
| nadakiti | 0:78752077cc25 | 45 | #endif |