【单选题】当要同时初始化某个GPIO的1、2脚,赋给GPIO_InitTypeDef结构体类型成员GPIO_Pin的值是()。
A.
GPIO_Pin_9 + GPIO_Pin_10
B.
GPIO_Pin_9 & GPIO_Pin_10
C.
GPIO_Pin_9 GPIO_Pin_10
D.
GPIO_Pin_9 | GPIO_Pin_10
【单选题】Why was Bernard Jackson found guilty and imprisoned for five years?
A.
He committed the crime of raping two women.
B.
The victims mistook him for the real criminal.
C.
He had a previous criminal record.
D.
No witness testified that he was in another location at the time of the crime.
【单选题】下面这段程序实现的是什么功能? void LED_Init() { //定义结构体变量 GPIO_InitTypeDef GPIO_TypeStructure; //开启GPIOB时钟 RCC_APB2PeriphClockCmd(RCC_APB2Periph_GPIOB,ENABLE); //选择端口 GPIO_TypeStructure.GPIO_Pin = GPIO_Pin_5; //选择...
【单选题】Since no evidence has been found so far he was guilty, he has to be set free.
【单选题】下面这段程序实现的是什么功能 void LED_Init() { //定义结构体变量 GPIO_InitTypeDef GPIO_TypeStructure; //开启GPIOB时钟 RCC_APB2PeriphClockCmd(RCC_APB2Periph_GPIOB,ENABLE); //选择端口 GPIO_TypeStructure.GPIO_Pin = GPIO_Pin_1; //选择工...
【单选题】Why wasn't Sven sent to prison?
A.
Because he was too young.
B.
Because he wasn't found guilty.
C.
Because he admitted his guilt to detectives.
D.
Because he worked for a big company.
【简答题】GPIO_InitTypeDef结构体成员变量初始化玩后,必须通过___________函数才可以下发到对应的寄存器。