How to Fix VirtualBox’s “Kernel Driver Not Installed (rc=-1908)” Error on a Mac
sudo kmutil load -p '/Library/Application Support/VirtualBox/VBoxDrv.kext'
sudo kmutil load -p '/Library/Application Support/VirtualBox/VBoxDrv.kext'
更高效處理 micro second 的方式… 以 STM32 為例… __IO unsigned long sys_tick = 0; void SysTick_Handler(void) { HAL_IncTick(); sys_tick += (SysTi...