战舰 串口IAP实验 RTC编译失败

丛林之晓

STM32战舰  串口IAP实验

RTC程序编译失败，求教大神

Build target 'RTC'
error - cannot create command input file '..\obj\main.__i'
error - cannot create command input file '..\obj\stm32f10x_it.__i'
error - cannot create command input file '..\obj\system_stm32f10x.__i'
error - cannot create command input file '..\obj\led.__i'
error - cannot create command input file '..\obj\key.__i'
error - cannot create command input file '..\obj\lcd.__i'
error - cannot create command input file '..\obj\rtc.__i'
error - cannot create command input file '..\obj\delay.__i'
error - cannot create command input file '..\obj\sys.__i'
error - cannot create command input file '..\obj\usart.__i'
error - cannot create command input file '..\obj\core_cm3.__i'
error - cannot create command input file '..\obj\startup_stm32f10x_hd._ia'
error - cannot create command input file '..\obj\misc.__i'
error - cannot create command input file '..\obj\stm32f10x_bkp.__i'
error - cannot create command input file '..\obj\stm32f10x_fsmc.__i'
error - cannot create command input file '..\obj\stm32f10x_gpio.__i'
error - cannot create command input file '..\obj\stm32f10x_pwr.__i'
error - cannot create command input file '..\obj\stm32f10x_rcc.__i'
error - cannot create command input file '..\obj\stm32f10x_usart.__i'
error - cannot create command input file '..\obj\stm32f10x_rtc.__i'
error - cannot create command input file '..\obj\stm32f10x_tim.__i'
error - cannot create command input file '..\obj\usmart.__i'
error - cannot create command input file '..\obj\usmart_config.__i'
error - cannot create command input file '..\obj\usmart_str.__i'
Target not created.
Build Time Elapsed:  00:00:01

丛林之晓

我知道是怎么回事了，是电脑的文件夹访问权限没有打开