WhyCan Forum(哇酷开发者社区)

试了下STM32F407VET6有点问题，偶尔连上一次，也调试不了，WCH-LINK也是同样的问题

Info : Listening on port 6666 for tcl connections
Info : Listening on port 4444 for telnet connections
Info : Using CMSIS-DAPv2 interface with VID:PID=0x0d28:0x0204, serial=5V0-IO-12345
Info : CMSIS-DAP: SWD  Supported
Info : CMSIS-DAP: FW Version = 2.0.0
Info : CMSIS-DAP: Interface Initialised (SWD)
Info : SWCLK/TCK = 1 SWDIO/TMS = 1 TDI = 0 TDO = 0 nTRST = 0 nRESET = 1
Info : CMSIS-DAP: Interface ready
Info : clock speed 10000 kHz
Error: Error connecting DP: cannot read IDR