CodePudding user response:
You can refer to the blog:http://blog.csdn.net/Joymine/article/details/48161895CodePudding user response:
//add by buqing. Wang start# define GPIO_FLASH_NOW_ID 31//flash gpio id
# define GPIO_FLASH_COUNT 10//cycle
# define HWREG_OUT (address, the value (*) ((volatile uint32_t *) (address))=(value))//Write to the hardware register
# define HWREG_IN (address) (* ((volatile uint32_t *) (address)))//Read from the hardware register
//add by buwing. Wang end
CodePudding user response:
You can refer to the following link, inside speak very clear:https://blog.csdn.net/ldinvicible/article/details/52421640? Depth_1 - utm_source=distribute. Pc_relevant. None - task& Utm_source=distribute. Pc_relevant. None - a task