(unsigned char) ch); // 等待发送完成 while (!(USART1->SR & USART_FLAG_TXE)); return ch; } int main(void) { USART_Init(); // 初始化USART int arr[] = {1, 2, 3, 4, 5}; int len = sizeof(arr) / sizeof(arr[0]); // 使用printf发送数组数据 printf("Array: ")...
int a; unsigned char var_store[1]; unsigned char array_t[3]; array_t[0] = 0x01; array_t[1] = 0x04; a = round(k); var_store[0] = sprintf("%x",a); array_t[2] = var_store[0]; but I'm having a 但我有一个 warning passing argument 2 of 'sprintf' makes pointer from ...
* Fill in an array of pointers to the argument values. */for(unsignedinti=0;i<specs[nspecs_done].ndata_args;++i)ptr[i]=&args_value[specs[nspecs_done].data_arg+i];/* Call the function. */function_done=__printf_function_table[(size_t)spec](s,&specs[nspecs_done].info,ptr);if...
printf("%%u = %u ",$num1); // Unsigned decimal number (positive)printf("%%u = %u ",$num2); // Unsigned decimal number (negative)printf("%%f = %f ",$num1); // Floating-point number (local settings aware)printf("%%F = %F ",$num1); // Floating-point number (not local sett...
要将printf的输出转换为char,可以使用以下方法: 1. 使用sprintf函数:sprintf函数可以将格式化的输出字符串存储到一个字符数组中。可以将printf的输出字符串作为参数传递给s...
unsigned char array_t[3]; array_t[0] = 0x01; array_t[1] = 0x04; a = round(k); var_store[0] = sprintf("%x",a); array_t[2] = var_store[0]; but I'm having a 但我有一个 warning passing argument 2 of 'sprintf' makes pointer from integer without a cast ...
(u8 *p){ while(*p++!='\0') { UART_SendOneByte(*p); }}/*重写putchar函数为了支持printf函数*/char putchar(char c){ UART_SendOneByte(c); return c;}int main(){ u8 key; UART_Init(); while(1) { key=Array_Scan(); if(key) { UART_SendString("12345欢迎学习51单片机开发.\r\n"...
#include <array> #include <string> template<char...> struct STRING { }; template<typename> struct STRING_LITERAL; template<char... S> struct STRING_LITERAL<STRING<S...>> { static const char s[sizeof...(S)+1]; }; template<char... S> ...
#include<stdio.h>intmain() {intnum =42;floatpi =3.14159;charch ='A';char*str ="Hello"; printf("整数:%05d\n", num);// 输出:00042printf("浮点数:%.2f\n", pi);// 输出:3.14printf("字符:%c\n", ch);// 输出:Aprintf("字符串:%-10s\n", str);// 输出:Helloprintf("十六进制...
int main(int argc, char *argv[]) { (*((unsigned long int*)ADDR))= (unsigned long int)hello; } 你可以编译它,但是它可能不能在你的系统上运行,你需要按如下步骤来做: 编译这段代码: gcc run-finalizer.c -o run-finalizer 检查fini_array的地址 ...