Could not find core in Coresight setup
Failed to connect
Could not establish a connection to target.
Could not auto program target, not connected

有朋友烧录过程中突然报错，连接失败解决方法。

1.硬件 Reset按钮 按下去，插针对接好设备。

2.Target - Connect 连接后 会出现这样提示即为重置成功。

3.硬件上的 Reset按钮 按上来，插针接入刷写设备，选择Target -Production programming ，接着烧录99%成功。