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基于桥接芯片CP2102,设计了USB2.0-CAN的适配卡。系统采用USB和CAN接收中断、通信同步的握手协议等方式,解决了USB的高速率和CAN的低速率、USB的大数据包与CAN的小数据包之间的矛盾,实现了USB数据与CAN数据之间的协议转换和转发。
Based on the bridge chip CP2102, a USB2.0-CAN adapter is designed. The system uses USB and CAN receive interrupt, handshake protocol of communication synchronization, etc. to solve the high speed of USB and CAN low speed, the contradiction between USB large data packet and CAN small data packet, and realizes the USB data and CAN Protocol conversion and forwarding between data.