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存储器系统的非对齐访问(2023-10-30)
var addr: %p
", p);
for (i = 0; i < 20; i++)
{
if (i % 4 == 0)
{
printf......
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MAX6900 RTC与8051位控制器的连接(2023-10-26)
MAX6900 RTC与8051位控制器的连接;说明
本应用笔迹介绍了MAX6900 I²C兼容RTC (实时时钟)与8051微控制器(µC)之间的连接方式,并提供了用于基本接口的程序代码。本范......
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89C51系列CPU编程器程序(2022-12-21)
;
while (1) {
if ((++i)>60000) {printf("time out.n");exit(1);}
if ((inp(0x3ed)&0x1)==1) break......
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瑞萨e2studio----串口获取数据通过SPI存储于W25Q128外部flash(2024-02-22)
("SPI-W25Q128 error");
}
else//ID正确,打印ID
{
printf("W25Q128 ID : ");
for(i=0......
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STM32CubeMX+w25qxx(2024-08-13)
(delay) for(uint8_t i=0;i<255;i++);;
#endif......
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CH375读写U盘C51示例源程序(2023-01-03)
argc, char *argv[]){printf("System is running @%dHz", MCLK);}int Main(void){unsigned char t;UINT8 i......
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LDC1000在STM32的程序 LDC1000的STM32驱动源程序(2024-07-26)
; i<12; i++)
// {
// printf("Addr=%x Data=%xrn",i,RegArray......
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STM32——C语言知识点:指针、结构体(2024-08-15)
//函数声明
14 void reset(int i);
15 void reset2(int* p);
16 void add_by_point(int x,int y,int *result......
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s3c2440裸机-norflash4-编程实现(2024-07-08)
unsigned char *)addr;
printf("Data : nr");
for (i = 0; i < 4; i......
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将KEIL软件中数组数据导出的简单方法(2024-06-24)
(void) {
int i;
exec("log > Data.log");
printf("ori_data
");
for (i = 0; i < 500; i......
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STM32如何通过 printf 打印出浮点数(2024-05-14)
i;
sprintf(tmp, “%f”, a);
for(i=0; i《8; i++)
printf(“%c”, tmp[i]);
printf(“ ”);
}
void PrintFloat......
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CAN总线学习笔记|CAN盒测试STM32的CAN中断接收(2023-08-01)
("
");
printf("CANDLC:%d
",rxHeader.DLC);printf("
");
printf("RecvData:");
for(i=0;i< rxHeader.DLC; i......
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");
printf("Recv Data: ");
for(i = 0; i < rxHeader.DLC; i++)
printf("%c ",buf[i......
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CAN总线学习笔记|STM32的CAN环回测试(2024-08-30)
: ');
for(i = 0; i < rxHeader.DLC; i++)
printf('%c',buf[i]);
printf('
');
return......
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89C51编程器,89C51 programmer(2023-10-20)
;}
unsigned int getadr() /*get 5 diti DEC adr*/{unsigned char i,a[5];for(i=0;i<5;i++){while(!RI......
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CAN总线学习笔记 | STM32CubeMX配置CAN环回测试(2023-03-20)
);
printf("Recv Data: ");
for(i = 0; i < rxHeader.DLC; i++)
printf("%c",buf[i]);
printf......
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u-boot-2009.08在mini2440上的移植 增加nor flash功能(2024-07-01)
{ /* it was protected */
printf ("protected!n"); }}#endif while(1){ unsigned short i......
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修改指针里面的内容(2024-08-15)
int i = 10;//定义变量并赋值
17 int *p = &i;//定义指针,指向变量i的地址
18 printf('i = %dn',i);//输出i,也就是10......
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s3c2440裸机-I2c编程-4-i2c中断服务程序(2024-07-04)
;
printf("Data : nr");
/* 长度固定为64 */
for (i = 0; i < 4; i++)
{
/* 每行打印16个数......
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u-boot-2011.06在基于s3c2440开发板的移植之DM9000(2024-06-07)
);
i++;
if(i == 10000) {
printf("couldnot establish linkn......
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s3c2440裸机-nandflash编程(四. nand读写擦实现)(2023-08-02)
addr;
unsigned char str[100];
int i, j;
unsigned int val;
/* 获得地址 */
printf("Enter the address......
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(linux自学笔记)linux按键中断驱动(2024-09-23)
])
{
printf('KEY%d releasedn',(i+1),key_value[i......
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通用裸机-传感器-1-DHT11温湿度sensor(2024-07-03)
int dht11_recv_byte(void) { int i; int data = 0; for (i = 0; i < 8; i++) { if (dht11_wait_for_val......
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基于物联网的远程温湿度监测系统(2)编写 DHT11 驱动(2024-07-03)
线由上拉电阻拉高一直保持高电平,此时 DHT11 的DATA 引脚处于输入状态,时刻检测外部信号。
MCU 发出请求信号:
MCU I/O 设置为输出同时输出低电平,且低电平保持时间不能小于 18ms,然后MCU I......
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C语言中的可变参数函数的浅析(以Arm 程序中的printf()函数实现为例)(2023-09-06)
的参数的个数和类型是不确定的,如下列三种调用方法:
1. printf(“%dn”, i);
2. printf(“%sn”, “Hello World”);
3. printf(“The result......
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在STM32中为什么要引入链表?(2024-01-26)
(void){ int i=0; Area_List_Inf_Typedef *p = Head_Area_List; printf(“list ID X Y Width Height Area_Data......
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深度解析链表在STM32中的应用(2024-09-26)
){ int i=0; Area_List_Inf_Typedef *p = Head_Area_List; printf(“list ID X Y Width Height Area_Data......
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STM32CUBEMX开发GD32F303(10)----双ADC轮询模式扫描多个通道(2023-08-25)
.
adc2Buf[i]=HAL_ADC_GetValue(&hadc2);
i++;
}
}
printf("
adc2_IN7(PA7......
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U-Boot在FL2440上移植(二)----支持NOR Flash(2023-06-08)
*src, ulong addr, ulong cnt){ ulong cp, wp; ushort data; int l; int i, rc;
wp = (addr &......
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STM32CUBEIDE(9)----双ADC轮询模式扫描多个通道(2023-09-04)
);
i++;
}
}
printf("
adc2_IN8(PB0)=%4.0d,voltage=%1.4f",adc2Buf[0......
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s3c2440裸机-nandflash编程(三. 初始化及识别)(2023-08-02)
;1);
}
/*发命令*/
void nand_cmd(unsigned char cmd)
{
volatile int i;
NFCCMD = cmd;
for(i=0; i<10......
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s3c2440裸机-nandflash编程-3-初始化及识别(2024-07-04)
)
{
volatile int i;
NFCCMD = cmd;
for(i=0; i<10; i++);
}
/*发地址*/
void nand_addr_byte(unsigned char......
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printf()是如何与UART外设驱动函数“勾搭”起来的?(2023-03-27)
*data, size_t length)
四、IAR 对 C 标准 I/O 库的支持
IAR 显然是对 C 标准 I/O 库有支持的,不然我们不可能在工程里能使用 printf() 函数,只是......
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一招教你快速解析WAV文件格式(2024-05-06)
+4,4);
printf("nrwav1.wavlen = %ldnr",wav1.wavlen);
//if(Check_Ifo(wav_buf+8,"WAVE"))return 2;//WAVE错误......
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STM32 SPI读写W25Q64(三)(2024-03-29)
,Usart1_buf[pos],cnt);
printf("文件接收完毕!rn");
add = 0;
for(i=0;i< 24;i......
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接收到的数据长度
printf("串口2数据内容:");
for(int i=0;iprintf("%c",ReceiveBuff_usart2[i]);//向串......
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RTX51 Tiny 操作系统第二篇:任务的创建和删除(2024-08-13)
;
sbit P1_3 = P1^3;
void delay(u16 time)
{
u16 i,j;
for(i=time;i>0;i--)
for(j=110;j>0;j......
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STM32CubeMX系列 | I2C总线(2023-03-21)
=0;i<256;i++){
printf("0x%02X ",ReadBuf[i]);
}
if(memcmp(WriteBuf......
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STM32G0开发笔记:使用FreeRTOS系统的队列Queue(2023-08-03)
他任务中取出数据
1static void app_uart_task(void *param)
2{
3 char str[32] = {0};
4 char i=0;
5
6 printf......
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STM32CubeMX系列 | SD卡(2023-03-23)
);
printf("rnRead Block Success!rn");
for(i=0;i printf......
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ARM Linux S3C2440之ADC驱动实现(2024-06-11)
");
return 1;
}
printf("adc_test result:n");
for (i= 0; i< 5; i......
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printf('Scanning %ld symbolsn', number_of_symbols);
47 for(i=0;i48 {
49......
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STM32CUBEMX开发GD32F303(11)----ADC在DMA模式下扫描多个通道(2023-07-21)
+=ADC1_Value[i++];
ADC1_3+=ADC1_Value[i++];
}
printf("
");
printf("adc1_IN0(PA0)=%4.0d,ADC_IN0......
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51学习笔记之以硬件spi与max6675通信实现K型热电偶测温(2024-07-24)
(unsigned int z){
unsigned char i, j;
unsigned int k;
for(k=0;k _nop_......
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STM32F103ZE开发板 LWIP网络协议栈应用之连接腾讯云(2024-06-11)
(dm9000_rx_buff,0,sizeof(dm9000_rx_buff));
dm9000_rx_len=0;
u16 len=0;
if(p==NULL)
{
printf("服务器断开连接rn......
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018_STM32程序移植之_串口接收中文(2024-08-16)
的可以使用软件Hex Editor来看看*/
9 int test1[] = {0xe3c4}; /*你*/
10 printf('%srn',test1);
11 int......
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STM32G0开发笔记:串口中断的使用(2023-06-28)
++;
25 }
26 return i;
27}
现在就可以直接使用printf函数进行打印显示到串口设备。
......
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ARM中外部中断(2024-09-18)
, r0, #0x80n'//设置CPSR的I位,将IRQ位打开 34 'msr cpsr, r0n' 35 ::: 'r0' 36 ); 37 38......
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结构指针变量作为函数参数传递(2022-12-12)
参调用函数ave,完成计算。
}
void ave(struct stu *ps)
{
int c=0,i;
float ave,s=0; //s总分,ave平均分
for(i=0;i<5;i++,ps......
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什么是Bootloader 浅谈STM32中bootloader的内存分配(2023-09-25)
printf("I am bootloader,jump to app after 5 seconds!n");
97
98 HAL_Delay(1000);
99
100......
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