[问答]

求教NXH3670的启动问题

3839

问答对人有帮助，内容完整，我也想知道答案 0 我从官方下载的demo，然后解压导入MCUXpresso中，编译没问题，下载没问题但是debug的时候就显示如下信息： WARNING: Target connection lost. SEGGER J-Link GDB Server V6.80d Command Line Version JLinkARM.dll V6.80d (DLL compiled Jun 26 2020 17:16:09) Command line: -nosilent -swoport 2332 -select USB -telnetport 2333 -singlerun -endian little -noir -speed auto -port 2331 -vd -device MKL27Z64xxx4 -if SWD -halt -reportuseraction -----GDB Server start settings----- GDBInit file: none GDB Server Listening port: 2331 SWO raw output listening port: 2332 Terminal I/O port: 2333 Accept remote connection: localhost only Generate logfile: off Verify download: on Init regs on start: off Silent mode: off Single run mode: on Target connection timeout: 0 ms ------J-Link related settings------ J-Link Host interface: USB J-Link script: none J-Link settings file: none ------Target related settings------ Target device: MKL27Z64xxx4 Target interface: SWD Target interface speed: auto Target endian: little Connecting to J-Link... J-Link is connected. Device "MKL27Z64XXX4" selected. Firmware: J-Link V9 compiled Dec 13 2019 11:14:50 Hardware: V9.20 Feature(s): RDI, GDB, FlashDL, FlashBP, JFlash, RDDI Checking target voltage... Target voltage: 3.30 V Listening on TCP/IP port 2331 Connecting to target... ConfigTargetSettings() start ConfigTargetSettings() end InitTarget() start InitTarget() InitTarget() end Found SW-DP with ID 0x0BC11477 Unknown DP version. Assuming DPv0 AP map detection skipped. Manually configured AP map found. AP[0]: AHB-AP (IDR: Not set) AP[1]: MEM-AP (IDR: Not set) AP[0]: Core found AP[0]: AHB-AP ROM base: 0xF0002000 CPUID register: 0x410CC601. Implementer code: 0x41 (ARM) Found Cortex-M0 r0p1, Little endian. FPUnit: 2 code (BP) slots and 0 literal slots CoreSight components: ROMTbl[0] @ F0002000 ROMTbl[0][0]: F0000000, CID: B105900D, PID: 001BB932 MTB-M0+ ROMTbl[0][1]: F0001000, CID: B105900D, PID: 0008E000 MTBDWT ROMTbl[0][2]: E00FF000, CID: B105100D, PID: 000BB4C0 ROM Table ROMTbl[1] @ E00FF000 ROMTbl[1][0]: E000E000, CID: B105E00D, PID: 000BB008 SCS ROMTbl[1][1]: E0001000, CID: B105E00D, PID: 000BB00A DWT ROMTbl[1][2]: E0002000, CID: B105E00D, PID: 000BB00B FPB ConfigTargetSettings() start ConfigTargetSettings() end InitTarget() start InitTarget() InitTarget() end Found SW-DP with ID 0x0BC11477 Unknown DP version. Assuming DPv0 AP map detection skipped. Manually configured AP map found. AP[0]: AHB-AP (IDR: Not set) AP[1]: MEM-AP (IDR: Not set) AP[0]: Core found AP[0]: AHB-AP ROM base: 0xF0002000 CPUID register: 0x410CC601. Implementer code: 0x41 (ARM) Found Cortex-M0 r0p1, Little endian. FPUnit: 2 code (BP) slots and 0 literal slots CoreSight components: ROMTbl[0] @ F0002000 ROMTbl[0][0]: F0000000, CID: B105900D, PID: 001BB932 MTB-M0+ ROMTbl[0][1]: F0001000, CID: B105900D, PID: 0008E000 MTBDWT ROMTbl[0][2]: E00FF000, CID: B105100D, PID: 000BB4C0 ROM Table ROMTbl[1] @ E00FF000 ROMTbl[1][0]: E000E000, CID: B105E00D, PID: 000BB008 SCS ROMTbl[1][1]: E0001000, CID: B105E00D, PID: 000BB00A DWT ROMTbl[1][2]: E0002000, CID: B105E00D, PID: 000BB00B FPB Connected to target Waiting for GDB connection...Connected to 127.0.0.1 Reading all registers Read 4 bytes @ address 0x000000E8 (Data = 0xB672B510) Read 2 bytes @ address 0x000000E8 (Data = 0xB510) Connected to 127.0.0.1 Reading all registers Read 4 bytes @ address 0x000000E8 (Data = 0xB672B510) Read 2 bytes @ address 0x000000E8 (Data = 0xB510) Received monitor command: reset Reset: Halt core after reset via DEMCR.VC_CORERESET. Reset: Reset device via AIRCR.SYSRESETREQ. Resetting target Downloading 192 bytes @ address 0x00000C00 - Verified OK Downloading 20 bytes @ address 0x00000E00 - Verified OK Downloading 15968 bytes @ address 0x00001000 - Verified OK Downloading 15936 bytes @ address 0x00004E60 - Verified OK Downloading 15984 bytes @ address 0x00008CA0 - Verified OK Downloading 15984 bytes @ address 0x0000CB10 - Verify failed Downloading 16176 bytes @ address 0x00010980J-Link: Flash download: Bank 0 @ 0x00000000: Skipped. Contents already match - Verify failed Downloading 16352 bytes @ address 0x000148B0 - Verify failed Downloading 6324 bytes @ address 0x00018890 - Verify failed Downloading 1264 bytes @ address 0x0001A144 - Verify failed Writing register (PC = 0x 1130) Read 4 bytes @ address 0x00001130 (Data = 0xB672B510) Read 2 bytes @ address 0x000059B4 (Data = 0xB510) Reading 64 bytes @ address 0x00005980 Read 2 bytes @ address 0x000059B6 (Data = 0xF008) Read 2 bytes @ address 0x000059B4 (Data = 0xB510) Read 2 bytes @ address 0x000059B6 (Data = 0xF008) Reading all registers Read 4 bytes @ address 0x00001130 (Data = 0xB672B510) Read 2 bytes @ address 0x000059B4 (Data = 0xB510) Received monitor command: semihosting enable Semi-hosting enabled (Handle on BKPT) Received monitor command: exec SetRestartOnClose=1 Executed SetRestartOnClose=1 Received monitor command: reset Reset: Halt core after reset via DEMCR.VC_CORERESET. Reset: Reset device via AIRCR.SYSRESETREQ. Resetting target Setting breakpoint @ address 0x000059B4, Size = 2, BPHandle = 0x0001 Setting breakpoint @ address 0x000059B6, Size = 2, BPHandle = 0x0002 Starting target CPU... Debugger requested to halt target... WARNING: CPU could not be halted Reading all registers WARNING: CPU could not be halted ERROR: Cannot read register 0 (R0) while CPU is running ERROR: Cannot read register 1 (R1) while CPU is running ERROR: Cannot read register 2 (R2) while CPU is running ERROR: Cannot read register 3 (R3) while CPU is running ERROR: Cannot read register 4 (R4) while CPU is running ERROR: Cannot read register 5 (R5) while CPU is running ERROR: Cannot read register 6 (R6) while CPU is running ERROR: Cannot read register 7 (R7) while CPU is running ERROR: Cannot read register 8 (R8) while CPU is running ERROR: Cannot read register 9 (R9) while CPU is running ERROR: Cannot read register 10 (R10) while CPU is running ERROR: Cannot read register 11 (R11) while CPU is running ERROR: Cannot read register 12 (R12) while CPU is running ERROR: Cannot read register 13 (R13) while CPU is running ERROR: Cannot read register 14 (R14) while CPU is running ERROR: Cannot read register 15 (R15) while CPU is running ERROR: Cannot read register 16 (XPSR) while CPU is running ERROR: Cannot read register 17 (MSP) while CPU is running ERROR: Cannot read register 18 (PSP) while CPU is running ERROR: Cannot read register 24 (PRIMASK) while CPU is running ERROR: Cannot read register 25 (BASEPRI) while CPU is running ERROR: Cannot read register 26 (FAULTMASK) while CPU is running ERROR: Cannot read register 27 (CONTROL) while CPU is running Removing breakpoint @ address 0x000059B4, Size = 2 Removing breakpoint @ address 0x000059B6, Size = 2 WARNING: Failed to read memory @ address 0xDEADBEEE WARNING: Failed to read memory @ address 0xDEADBEEE WARNING: CPU could not be halted ERROR: Cannot read register 18 (PSP) while CPU is running Reading register (PSP = 0xDEADBEEF) WARNING: Target connection lost. 然后看disassembly窗口信息： 000000e8: Failed to execute MI command: -data-disassemble -s 232 -e 340 -- 3 Error message from debugger back end: Cannot access memory at address 0xe8 000000e9: Connection is shut down 但是0xE8这个位置好像没有对应代码函数，求大佬帮忙看看是什么问题~ 0
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