STEVAL-IEG001V1

描述

The STEVAL-IEG001V1 is a smart vehicle tracking system reference design based on GPS-GLONASS/GSM-GPRS. The system is built around the Cortex-M3 STM32F20x microcontroller series. Today, tracking and navigation systems for vehicles are extensively used all over the world by public transportation units, fleet owners and individuals, and are essential parts of vehicle telematics systems. The design consists of a vehicle unit (to be installed inside the vehicle) and remote web server application where the vehicle status and movement information may be viewed in an intuitive way on the map. The vehicle unit is built around the Cortex-M3 STM32F20x microcontroller, Fastrax GNSS (TESEO II) module and a SAGEM GSM/GPRS module. The vehicle unit gathers the GPS/GLONASS information on geographic coordinates, time, date, speed, in-journey distance traveled and satellites fixed, and sends this information over GPRS to the web server application. The web application shows the current location and status information of the vehicle on open street maps. The same information is displayed locally on the graphical LCD display. This unit also consists of MEMS sensors LIS331DLH 3-axis accelerometer, and L3G4200D yaw/pitch/roll gyroscope. This unit also serves as a theft detection unit and senses car lift using MEMS. In case of vehicle crash (detected using MEMS), the vehicle status and location parameters are logged in the micro SD card, and the same information is sent to the administrator over SMS, thereby providing black-box functionality.