RT-Thread-studio用在H750上，怎样使用外部下载算法，按照网上的，失败RT-Thread问答社区

studio用在H750上，怎样使用外部下载算法，按照网上的，失败

发布于 2022-06-06 18:56:14 浏览：1044 订阅该版

1、使用boot+app使用keil加载外部flash算法，可以正常下载
2、使用studio按照论坛的方法，下载失败
参考的是[RT-Thread Studio下载程序到swm320报错](https://club.rt-thread.org/ask/question/4838b3cb3a95d9fa.html)

xml文件修改内容：
```
  <Device>
   <ChipInfo Vendor="ST" Name="STM32H750VB" Core="JLINK_CORE_CORTEX_M7" JLinkScriptFile="Devices/ST/STM32H7/ST_STM32H7xx.pex"/>
   <FlashBankInfo Name="H7_W25Q64" BaseAddr="0x90000000" MaxSize="0x08000000" Loader="Devices/ST/STM32H7/h7_w25q64.elf" LoaderType="FLASH_ALGO_TYPE_OPEN" />
  </Device>
```
配置：

下载日志：
```
开始下载程序：2022-06-06 18:51:00
Download Start Address: 0x90000000 
D:\RT-ThreadStudio>"D:/RT-ThreadStudio/repo/Extract/Debugger_Support_Packages/SEGGER/J-Link/6.80d2\JLink.exe" -device STM32H750VB -ExitOnError -CommanderScript D:\workspacestudio/.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 V9 compiled May  7 2021 16:26:12
Hardware version: V9.60
S/N: 20684072
VTref=3.280V
Selecting SWD as current target interface.
Device "STM32H750VB" selected.
Selecting 1000 kHz as target interface speed
Target connection not established yet but required for command.
Device "STM32H750VB" selected.
Connecting to target via SWD
Found SW-DP with ID 0x6BA02477
Found SW-DP with ID 0x6BA02477
DPIDR: 0x6BA02477
Scanning AP map to find all available APs
AP[3]: Stopped AP scan as end of AP map has been reached
AP[0]: AHB-AP (IDR: 0x84770001)
AP[1]: AHB-AP (IDR: 0x84770001)
AP[2]: APB-AP (IDR: 0x54770002)
Iterating through AP map to find AHB-AP to use
AP[0]: Core found
AP[0]: AHB-AP ROM base: 0xE00FE000
CPUID register: 0x411FC271. Implementer code: 0x41 (ARM)
Found Cortex-M7 r1p1, Little endian.
FPUnit: 8 code (BP) slots and 0 literal slots
CoreSight components:
ROMTbl[0] @ E00FE000
ROMTbl[0][0]: E00FF000, CID: B105100D, PID: 000BB4C7 ROM Table
ROMTbl[1] @ E00FF000
ROMTbl[1][0]: E000E000, CID: B105E00D, PID: 000BB00C SCS-M7
ROMTbl[1][1]: E0001000, CID: B105E00D, PID: 000BB002 DWT
ROMTbl[1][2]: E0002000, CID: B105E00D, PID: 000BB00E FPB-M7
ROMTbl[1][3]: E0000000, CID: B105E00D, PID: 000BB001 ITM
ROMTbl[0][1]: E0041000, CID: B105900D, PID: 001BB975 ETM-M7
ROMTbl[0][2]: E0043000, CID: B105900D, PID: 004BB906 CTI
Cache: Separate I- and D-cache.
I-Cache L1: 16 KB, 256 Sets, 32 Bytes/Line, 2-Way
D-Cache L1: 16 KB, 128 Sets, 32 Bytes/Line, 4-Way
Cortex-M7 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 = 080003F4, CycleCnt = 00000000
R0 = 00000000, R1 = 00000000, R2 = 00000000, R3 = 00000000
R4 = 00000000, R5 = 00000000, R6 = 00000000, R7 = 00000000
R8 = 00000000, R9 = 00000000, R10= 00000000, R11= 00000000
R12= 00000000
SP(R13)= 20006CE0, MSP= 20006CE0, PSP= 00000000, R14(LR) = FFFFFFFF
XPSR = 01000000: APSR = nzcvq, EPSR = 01000000, IPSR = 000 (NoException)
CFBP = 00000000, CONTROL = 00, FAULTMASK = 00, BASEPRI = 00, PRIMASK = 00
FPS0 = 00000000, FPS1 = 00000000, FPS2 = 00000000, FPS3 = 00000000
FPS4 = 00000000, FPS5 = 00000000, FPS6 = 00000000, FPS7 = 00000000
FPS8 = 00000000, FPS9 = 00000000, FPS10= 00000000, FPS11= 00000000
FPS12= 00000000, FPS13= 00000000, FPS14= 00000000, FPS15= FFFFFFFF
FPS16= 00000000, FPS17= 00000000, FPS18= 00000000, FPS19= 00000000
FPS20= 00000000, FPS21= 00000000, FPS22= 00000000, FPS23= 00000000
FPS24= 00000000, FPS25= 00000000, FPS26= 00000000, FPS27= 00000000
FPS28= 00000000, FPS29= 00000000, FPS30= 00000000, FPS31= FFFFFFFF
FPSCR= 00000000
Downloading file [D:\02-code\02_my_project\01_drug_3.1_750\my_dosing_app\code_app\Debug\rtthread.bin]...
Writing target memory failed.
Script processing completed.
执行完毕, 耗时：3462ms.
```