标题 STM32基本数据类型字节数
软件平台:KEIL5、野火串口调试助手 硬件平台:野火指南者开发板STM32F103VET6 测试方法:sizeof获取基本数据类型字节数,使用串口打印出来 主函数代码:
int main(void)
{
/*初始化USART 配置模式为 115200 8-N-1,中断接收*/
USART_Config();
printf("测试基本数据类型占用的字节数\r\n");
printf("char =%d\r\n",sizeof(char));
printf("short =%d\r\n",sizeof(short));
printf("int =%d\r\n",sizeof(int));
printf("long =%d\r\n",sizeof(long));
printf("long long int =%d\r\n",sizeof(long long int));
printf("float =%d\r\n",sizeof(float));
printf("double =%d\r\n",sizeof(double));
printf("long double =%d\r\n",sizeof(long double));
while(1)
{
}
}
测试结果: ![在这里插入图片描述](https://img-blog.csdnimg.cn/a2455b9b1e0b46c5a9a16686c27007c2.png?x-oss-process=image/watermark,type_d3F5LXplbmhlaQ,shadow_50,text_Q1NETiBA5oiR55qE5YiA5ZGQ,size_20,color_FFFFFF,t_70,g_se,x_16)
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