【摘要】 针对当前驾驶安全备受关注的现状,基于ARM Cortex M3内核的STM32设计了一种车载安全预警系统,该系统是实现对车辆超速监测、司机超劳监测、车辆定位、蓝牙免提和无线通信功能于一体的车载终端。详述了系统实现各功能模块的硬件设计方案,以及在软件方面如何移植μC/OSⅡ实时操作系统,并完成各应用任务的调度和外围设备管理。更多还原

【Abstract】 In view of the current situation of driving safety,the paper presents a design scheme of a vehicle-mounted pre-warning system based on STM32 microchip with ARM Cortex-M3 as the core.The system is one of the vehicle terminals to realize the monitoring of vehicle speed,driver fatigue,vehicle location,hands-free bluetooth and wireless communication.The paper expatiates on design of hardware of each function module and development of software to transplant the real-time operating system μC/OS-II,and schedule multitask and operate peripheral devices.更多还原