About the failure of downloading stm8 program using stvp and IAR software stlink-EEWORLD

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Recently, I am going to produce 200 devices designed by stm8. I use STVP and stlink tools to download software programs. The programs are .hex files. After handing them over to a factory, I welded, downloaded, and tested them. As a result, there was a problem in the downloading process. I could not download more than 10 times in a row using stlink. Stlink could not download inexplicably. I turned off the power and restarted. Sometimes it worked, and sometimes it really did not work. The prompt message was as shown in the figure below.

Failed to initialize communication with hardware: SWIM error [3]: Detected hardware not compatible with software

Then search for answers online.

Answer 1: There is a 4-pin power chip in the stlink that is burned out. You can replace it and use it.

Answer 2: stlink driver update.

Answer 3: Use st-toolset to upgrade the firmware. Use upgrade to upgrade.

Answer 4: Deleting various ST-related software and re-upgrading the IAR software version can solve the IAR download problem.

I feel that swim is a very strange thing. It often prompts swim error. Although stlink cannot be used to download stm8, it can still be used to download stm32, and this kind of problem has never occurred.

The factory has scrapped my two stlink-v2-isos. I can't find a solution. It is recommended to study STM8 thoroughly, otherwise it is better to use it less. Although it is more cost-effective than 51, it is useless without good compilation software and good download tools! Later, I applied to the company to buy a few new ones. These new ones are stm32 and stm8, which are downloaded separately. After buying them, I installed them according to the instructions. After continuous attempts,

Whether it is using

The problem of failing to download using stvp or iar, cannot communicate with the device! After downloading using iar, the error "The debugging session could not be started!" appears.

Thu Jan 08 10:51:24 2015: Failed to load debugee: and other phenomena have nothing to do with the software version. My problem was solved. The connection line was loose. Change the USB port. If the stlink light changes, check the 4 download cables and the problem is solved!

Check the download cable and change the USB port or 4 cables! Problem solved!

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