【摘要】 根据行驶记录仪的国家标准GB/T 19056-2003,并应用蓝牙技术,设计了一种基于飞思卡尔MC9S12XS128MAL芯片的支持蓝牙上传功能的汽车行驶记录仪.本文阐述了系统总体设计方案及其相应的软硬件设计.硬件设计部分,本文叙述了各模块设计方案;软件部分,本文给出主机系统的整体处理流程及其子处理流程.最后本文描述了蓝牙上传功能的实现方法.更多还原

【Abstract】 In accordance with GB /T 19056-2003,a vehicle traveling data recorder based on Freescale MC9S12XS128MAL chip was designed applying the Bluetooth technology. This paper described the overall design of the VTDR system,its corresponding hardware and software design. On the hardware design,this paper described the design of each module; software part,this paper gave the host system’s overall processing flow and its sub-processes. Finally,this paper described the implementation of Bluetooth upload functionality.更多还原