RT-Thread Studio 使用U8G2 编译成功下载到板子终端没有反应

发布于 2020-07-27 22:36:03 浏览：2093 订阅该版

编译界面：
![image.png](/uploads/20200727/5bd51b905fba1d498a0adcf39b772e85.png)

下载返回代码：
`Download Start Address: 0x08000000

开始下载程序：2020-07-27 22:30:08
C:\RT-ThreadStudio>"C:/RT-ThreadStudio/repo/Extract/Debugger_Support_Packages/SEGGER/J-Link/6.80d/JLink.exe" -device STM32F103C8 -ExitOnError -CommanderScript C:\RT-ThreadStudio\workspace/.metadata/Temp/rtthread_download_init.jlink 
SEGGER J-Link Commander V6.80d (Compiled Jun 26 2020 17:17:12)
DLL version V6.80d, compiled Jun 26 2020 17:16:09
J-Link Commander will now exit on Error
J-Link Command File read successfully.
Processing script file...
J-Link connection not established yet but required for command.
Connecting to J-Link via USB...O.K.
Firmware: J-Link OB-STM32F072-CortexM compiled Jan  7 2019 14:09:37
Hardware version: V1.00
S/N: -1
License(s): GDB, RDI, FlashBP, FlashDL, JFlash, RDDI
VTref=3.300V
Selecting SWD as current target interface.
Device "STM32F103C8" selected.
Selecting 1000 kHz as target interface speed
Target connection not established yet but required for command.
Device "STM32F103C8" selected.
Connecting to target via SWD
Found SW-DP with ID 0x1BA01477
Found SW-DP with ID 0x1BA01477
Unknown DP version. Assuming DPv0
Scanning AP map to find all available APs
AP[1]: Stopped AP scan as end of AP map has been reached
AP[0]: AHB-AP (IDR: 0x14770011)
Iterating through AP map to find AHB-AP to use
AP[0]: Core found
AP[0]: AHB-AP ROM base: 0xE00FF000
CPUID register: 0x411FC231. Implementer code: 0x41 (ARM)
Found Cortex-M3 r1p1, Little endian.
FPUnit: 6 code (BP) slots and 2 literal slots
CoreSight components:
ROMTbl[0] @ E00FF000
ROMTbl[0][0]: E000E000, CID: B105E00D, PID: 001BB000 SCS
ROMTbl[0][1]: E0001000, CID: B105E00D, PID: 001BB002 DWT
ROMTbl[0][2]: E0002000, CID: B105E00D, PID: 000BB003 FPB
ROMTbl[0][3]: E0000000, CID: B105E00D, PID: 001BB001 ITM
ROMTbl[0][4]: E0040000, CID: B105900D, PID: 001BB923 TPIU-Lite
Cortex-M3 identified.
Reset delay: 0 ms
Reset type NORMAL: Resets core & peripherals via SYSRESETREQ & VECTRESET bit.
Reset: Halt core after reset via DEMCR.VC_CORERESET.
Reset: Reset device via AIRCR.SYSRESETREQ.
PC = 0800B124, CycleCnt = 00000000
R0 = 20000B5C, R1 = 00000002, R2 = 20000BB3, R3 = 00000000
R4 = DEADBEEF, R5 = DEADBEEF, R6 = DEADBEEF, R7 = 200008F8
R8 = DEADBEEF, R9 = DEADBEEF, R10= DEADBEEF, R11= DEADBEEF
R12= 00000000
SP(R13)= 20000998, MSP= 20000998, PSP= 20000B20, R14(LR) = FFFFFFFF
XPSR = 01000000: APSR = nzcvq, EPSR = 01000000, IPSR = 000 (NoException)
CFBP = 00000000, CONTROL = 00, FAULTMASK = 00, BASEPRI = 00, PRIMASK = 00
FPU regs: FPU not enabled / not implemented on connected CPU.
Downloading file [C:\RT-ThreadStudio\workspace\STM32_LED_I2C_U8G2\Debug\rtthread.bin]...
Writing target memory failed.
Script processing completed.
J-Link: Flash download: Bank 0 @ 0x08000000: Skipped. Contents already match
执行完毕, 耗时：1316ms.
`

终端显示代码
```
C:\Users\Administrator>C:/RT-ThreadStudio/plugins/org.rt-thread.studio.serial.putty_1.0.1/putty/plink.exe -serial COM3 -sercfg 1
15200,8,n,1,N

```
![image.png](/uploads/20200727/de23dcadbbc5e05943581ccbe504b571.png)

请问出了什么问题？