HSE_STARTUP_TIMEOUT 主要是在外部晶振时钟设置中使用，改成这么大的值以后，那么晶振启动时间容许的...
ErrorStatus status = ERROR; FlagStatus HSEStatus = RESET; /* Wait till HSE is ready and if Time out is reached exit */ do { HSEStatus = RCC_GetFlagStatus(RCC_FLAG_HSERDY); StartUpCounter++; } while((StartUpCounter != HSE_STARTUP_TIMEOUT) && (HSEStatus == RESET)); if (RCC_Get...
declare a variable for each hardware device the OpMode will use, and assign a value to each. Do not do this during the Run phase, or your OpMode may briefly hang while the devices you are retrieving get initialized.