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客户使用MD1芯片时在boot程序中进行跳转,当boot不开始运行rtos是可以正常跳转, 当客户在boot中使用rtos后在OS的任务里进行跳转后程序出现异常; 跳转前已经关闭了systick;
对于带FP的MCU,RTOS任务会打开 FPCCR ASPEN 和 LSPEN,跳转后如果有遇到浮点运算,会导致出栈错误
因此在跳转APP前应该关闭FP的配置,再去跳转 FPU->FPCCR = 0;
好的,目前问题已解决
帮助没办法联网的电脑使用YCT
帮助改进和优化YT CONFIG TOOL,有机会抽取YTM32B1ME0 EVB哦...