如果是SWD的接口，JLINK的速度你选择了多少？是不是太快了？有的时候JLINK就会出现速度太快无法使用的情况。你可以试着将JLINK的速度降低。
自己画STM32板子，焊好之后JLink下载不了，用Jlink fo ram连接时连是能连接烧，但是提示如下图的警告...
Reset type NORMAL: Resets core & peripherals via SYSRESETREQ & VECTRESET bit.ResetTarget() startInvalid flash header detected.Target halted on flash header read.ResetTarget() end - Took 1.32sAfterResetTarget() startMPU was enabled and is now disabled.Af...
Invalid core Id. (0x00000000)Trying to connect with 5 kHz !Info: Could not measure total IR ...
Info: TotalIRLen = 4, IRPrint = 0x01 Info: Halting CPU core DLL version V4.02, compiled ...
- AP[0]: Skipped. Could not read CPUID register- AP[1]: Skipped. Not an AHB-AP- ERROR: Could not find core in Coresight setupcode -1- ERROR: Failed to connect.Could not establish a connection to target. Labels: Kinetis K Series MCUs 0 Kudos Reply ...
#defineFP_FLAG_ADDR (0x0000FFFCu)#defineFP_FLAG_RT117X (0x5AA60FF0u)rt_chip_id_tufl_get_imxrt_chip_id(void){rt_chip_id_tchipId = kChipId_Invalid;core_type_tcoreType; coreType = ufl_get_core_type();if(kCoreType_CM7 == coreType) ...
- J-Link found 1 JTAG device. Core ID: 0x4BA00477 (Cortex-M4) - Connected successfully - RAM tested O.K. - ERROR: Programming failed @ address 0x00004000 (block verification error) - ERROR: Failed to program target Disconnecting ... - Disconnected aj...
Connecting to target...ERROR: Specific core setup failed. ERROR: Could not connect to target. Target connection failed. GDBServer will be closed...Restoring target state and closing J-Link connection... Shutting down... Could not connect to target. Pl...
[0]<e000e000:SCS-M4 cidr=b105e00d, pidr=4000bb00c, class=14> WARNING:root:Invalid coresight component, cidr=0x0 INFO:root:[1]<e0001000: cidr=0, pidr=0, component invalid> INFO:root:[2]<e0002000:FPB cidr=b105e00d, pidr=4002bb003, class=14> WARNING:root:Invalid coresight ...