Program download and data extraction using JLINK command line

Summary of the future

There is a need to quickly download firmware to the board , Then read the firmware stored in the firmware CRC32 Check the version of the check value , use JFlash It's too slow

Realization way

If the board is H743, stay JLink The installation directory opens the command line 【 In the later stage, it can be realized by writing an upper computer with one key , Very convenient 】

// To configure SWD Interface ,CPU by STM32H743VI, Normal should return JLink Information about successful connection 
.\JLink.exe -device STM32H743VI -Speed 4000 -IF SWD
// Connect , If normal, the kernel information should be displayed 
connect
// Read back to the specified address 1 individual 32 A value ,8012345 by 16 Bit address ,1 by 1 individual 
mem32 8012345 1
// If you need to download firmware to the specified address 0x80012345
loadbin "xxxx.bin" 0x80012345
// hit ? You can see that JLink With the help of the