本源码支持blackfin系列DSP的jtag协议转换，支持linux下访问blackfin系列DSP的jtag链，读取和写入边界控制信号，是处理器初始化写入flash代码的必备程序-This source to support the Blackfin DSP series of JTAG protocol conversion, support for linux to access the JTAG Blackfin DSP series chain, read and write the