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README.md
| @@ -34,3 +34,28 @@ Example of launching the python script: `python3 script_gps.py 27.CSV Trajet.htm | @@ -34,3 +34,28 @@ Example of launching the python script: `python3 script_gps.py 27.CSV Trajet.htm | ||
| 34 | *Example of plotting OBD Speed* | 34 | *Example of plotting OBD Speed* |
| 35 | 35 | ||
| 36 | ## Gettig started with code | 36 | ## Gettig started with code |
| 37 | + | ||
| 38 | +The project uses the operating system [FreeRTOS](https://www.freertos.org/). It contains 4 tasks as showing the table below: | ||
| 39 | + | ||
| 40 | +|Task|Priority|Role| | ||
| 41 | +|:--:|:------:|:--:| | ||
| 42 | +|Task1|1|Collecting the OBD data with 1 sample/90ms| | ||
| 43 | +|Task2|1|Collecting GPS data(longitude, latitude, altitude, GPS speed) and IMU data (accelerometer, gyroscope and magnetometer along the 3 axes (X, Y, Z))| | ||
| 44 | +|Task3|1|Collecting the OBD data with 1 sample/60s| | ||
| 45 | +|Daemon Task|3|Writing data in SD card| | ||
| 46 | + | ||
| 47 | +Below is a table representing the various OBD data required, as well as how often they are taken: | ||
| 48 | + | ||
| 49 | +|Data description|OBD-II PID|1 sample/90ms|1 sample/60s| | ||
| 50 | +|:--------------:|:--------:|:-----------:|:----------:| | ||
| 51 | +|SPEED|0x0D|x|| | ||
| 52 | +|AMBIENT_TEMP|0x46||x| | ||
| 53 | +|PID_RPM|0x0C|x|| | ||
| 54 | +|ENGINE_REF_TORQUE|0x63|x|| | ||
| 55 | +|PID_RUNTIME|0x1F||x| | ||
| 56 | +|BAROMETRIC|0x33||x| | ||
| 57 | +|FUEL_LEVEL|0x2F||x| | ||
| 58 | +|HYBRID_BATTERY_PERCENTAGE|0x5B||x| | ||
| 59 | + | ||
| 60 | + | ||
| 61 | + |