#define P_SystemClock (volatile unsigned int *)0x7013

来源：学生作业帮编辑：作业帮分类：综合作业时间：2024/05/18 08:37:16

看芯片手册啊.说明systemclock这个寄存器的地址在0x7013.
对0x7013地址的寄存器赋值,总不可能写成这样吧.0x7013 = 0;
所以要做强制类型转换.
不过你给出的那个是个指针.
一般寄存器定义成这样 #define SystemClock ( * (volatile unsigned int *)0x7013 )
以后对寄存器赋值就可以这样写了 SystemClock = 0;

#define P_SystemClock (volatile unsigned int *)0x7013 语句 #define P_IOA_Data (volatile unsigned int *)0x7000 C语言中 __near __no_init volatile unsigned char LCDMEM[16] @ 0x 51单片机定时器#include#define uint unsigned int uint pp;sbit led= unsigned int gcd(unsigned int a,unsigned int b){ ds18b20测温#include#include#define uchar unsigned char#define 英语翻译#include#include#define uchar unsigned char#define uint 希望给出注释~unsigned short GetHashValue(unsigned int *grid){unsig int 9和unsigned int 65535 转变成char,unsigned int,float,long int #include sbit p1_1=P1^0; unsigned int a ; void main() {while #include sbit a=P1^0; sbit b=P3^2; unsigned int n; void main unsigned char a[4] = {0,0,0,1};int b = *((int*)a); 这样执行完毕后,b