please upgrade the version of stcgal, and check script of tool-stcgal

[zaoshang67dian]

The version of stcgal has upgrade, whitch support some new ic.
And then please check the script of tool-stcgal, when i upload firmware for stc8h8k64u by pio, it failed. the script of pio attach -P stc8 in the commond line;
But when i replease the "-P stc8" with "-P auto" and use local stcgal it upload success;
just like stcgal -P auto -p /dev/ttyxxxxx -t 22481 ./pio/xxxxx/firmware.hex

[ivankravets]

Please re-test with

[env:myenv]
platform = https://github.com/platformio/platform-intel_mcs51.git
...

Open PlatformIO Core CLI, navigate to the project folder and type

$ pio pkg update

Does it work?