LP-AM243: ethercat调试闪存 SOC (Sitara System-on-chip)无法初始化初始化,错误提示uart_uniflash.py: error: unrecognized arguments:-cfg=sbl_prebuilt\am243x-lp\default_sbl_null.cfg

Part Number: LP-AM243
Other Parts Discussed in Thread: UNIFLASH

ti工程师们好,我按照步骤

基于AM243X-LP与EtherCAT的Demo操作说明

进行操作,进行到Step6时出错,提示uart_uniflash.py: error: unrecognized arguments:-cfg=sbl_prebuilt\am243x-lp\default_sbl_null.cfg

命令行提示如图所示,请帮忙分析解决,谢谢!