初学者在学stm32时,昨天还能烧录,今天突然出现了如下情况,Downloads变灰色了;
发现后,配置没有配置正确,
结果是打开了模拟的,这里要重新编译一下,后Downloads 结果还是报错
详细看这两位大佬文章 【STM32常见问题】No target connected+Flash Download failed +Target DLL has been cancelled的解决方法-CSDN博客keil报错:No Target connected+Error: Flash Download failed - Target DLL has been cancelled四种可能-CSDN博客
如果还未解决,请换个STlink,也许是它欺骗了你