stm8l-discovery (MB915 B-00) ST-LINK/V2 firmware upgrade fails "St-Link not in DFU mode"
Using STM32CubeProgrammer to upgrade from Firmware V2J0S6 to current version always not possible because of "ST-Link not in DFU mode".Why is the target Voltage 0V and how can I check this.I used Win7 and Linux (Kernel Linux 6.1.0-1parrot1-amd64 x86_...