Variants must be placed inside the variants folder in the current architecture. All generic variants are now automatically generated in the variant folder thanks the STM32_open_pin_data repository ...
This library using my 'atc' library, please download 'http://github.com/nimaltd/atc'. file atcConfig.h #define _ATC_DEBUG 0 // use printf debug #define _ATC_RTOS 0 ...