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linux的串口驱动分析(2024-07-19)
,
s3c24xx_serial_portname(port), ourport);
if (ret != 0) {
printk(KERN_ERR "cannot get irq %dn", ourport->......

Jlink调试S5PV210(2023-09-12)
monitor speed 30
# Reset the target
monitor reset
monitor sleep 10
# Setup GDB for faster......

DM9000网卡驱动分析(2024-09-19)
, 'dm9000_probe()n');
26 //函数netdev_priv直接返回了net_device结构末端地址,也就是网卡私有数据结构的起始地址。
27 /* setup board......

记录ok6410 jlink 命令行调试uboot(2024-09-25)
0x7e001004 = 0x00000000# Setup GDB for faster downloads#set remote memory-write-packet-size 1024set remote......

Linux-2.6.39在Tiny6410上的移植(2024-09-20)
进程中通信
General setup --->
│ │ [*] System V IPC
3、退出内核图形配置菜单,执行make生成zImage镜像文件,将arch/arm......

PWM视频代码剖析与解释(2023-01-30)
PWM视频代码剖析与解释;1、不同频率LED灯闪烁
接下来我们以下面LED灯的闪烁代码为例子,改变延时长短来看LED灯的效果
void setup()
{
pinMode(2, OUTPUT......

s3c6410_uboot中的代码重定位(nand->sdram)(2024-09-04)
lowlevel_init /* go setup pll,mux,memory */
...
lowlevel_init.S:
...
/*
* Nand Interface......

JLink+GDBServer调试S3C6410裸板的初始化代码 For OK6410开发板(2024-09-13)
= 0x0
# Disable MMU stuff and caches
monitor cp15 1, 0, 0, 0 =0x1002
# Peri port setup
monitor cp15......

S3C6410之uboot回炉再造(1)start.S - SVC模式设置(2024-09-03)
* setup Memory and board specific bits prior to relocation.
8 * relocate armboot to ram
9......

ALSA声卡16_编写ALSA声卡应用程序_学习笔记(2024-07-16)
播放设备 if (!playback_handle) {fprintf (stderr, "cannot open for playbackn"); return -1......

关于在嵌入式Linux下编译dhcp报错“cannot check for file existence when cross compiling”的初步研究;前言、写这篇文章的由来
最近......

内核移植和文件系统制作(3)Ramdisk简介和常见问题(2024-07-24)
核的初始化流程更具弹性。
1,添加内核支持:
General setup --->
[*] Initial RAM filesystem and RAM disk (initramfs......

spi驱动框架全面分析,从master驱动到设备驱动(2024-07-16)
* configured as part of board setup.
*
* Returns zero if the driver registered and bound to a device......

I2C总线驱动的C语言源程序详细说明(2023-06-07)
);
if(I2CRecAck())
continue;
if(EepromType》M2416)
{
I2CSendByte((unsigned char)(Address》》8......

u-boot-2009.08在mini2440上的移植 建立mini2440工程环境(2024-07-01)
:127: error: inline function 'coloured_LED_init' cannot be declared weakboard.c:129: error: inline......

(linux自学笔记)linux按键中断驱动(2024-09-23)
< 0)
{
continue;
}
// 中断......

S3C6410移植u-boot-2010.3(2)基本的启动信息修改(2024-09-03)
*/
ldr sp, _TEXT_PHY_BASE /* setup temp stack pointer */
sub sp, sp, #12
mov fp, #0......

解决ubuntu12.04上无法运行Minitool的问题(2023-06-25)
shared libraries: libQtWebKit.so.4: cannot open shared object file: No such file or directory
解决......

单片机c语言教程第十三章--C51循环语句(2023-05-10)
我们把程序中的 for 改成 for(; I<=10; I++)这样条件的初值会变成当前 I 变量的
值。如果改成 for(;;)会怎么样呢?试试看。
continue 语句
continue 语句......

mini2440_buttons.c驱动程序解读(2024-06-28)
(button_irqs[0]); i++) { if (button_irqs[i].irq < 0) { continue;
}
//注册中断服务程序 irq中断......

建工程的几个错误(2024-08-12)
这样的错误:
F:mdkpackKeilSTM32F1xx_DFP1.0.5DeviceIncludestm32f10x.h(8297): error: #5: cannot open source input file "stm32f10x_conf.h": No such file or directory......

西门子SCL语言之复查与退出循环介绍(2024-10-11 08:00:52)
西门子SCL语言之复查与退出循环介绍;
1.)是否存在死循环;
2.)CONTINUE:复查循环条件可使用“复查循环条件”指令,可以结束FOR,WHILE或REPEAT循环......

记录tiny6410 jlink 命令行调试linux-2.6.38内核(2024-09-27)
halt
monitor reset
b start_kernel
list
continue
注意 需要烧写与所调试的内核一致的内核
......

s3c6410下移植sqlite3.7.8(2024-09-23)
... configure: error: C compiler cannot create executables See `config.log' for more details.
怀疑......

51单片机抢答器设计(2022-12-20)
允许检测
{
key_number=number_key(); //抢答开始前检测有无选手违规
if(key_number==0) //无人违规
continue; //返回......

RS485网络协议的测试程序(2022-12-27)
cCmd, c;
Setup();
BIT_CLEAR( INTCON, T0IE ); // Timer interrupts off
#ifndef MASTER
LcdWrite......

【vivado学习五】时序分析(2024-12-13)
)。
图1 时序模型1
1 建立时间(setup)和保持时间(hold)
如图1所示,时钟上升边沿(Capture Edge 、Next Launch Edge)会将......

如何在Arduino中使用KY-037声音检测传感器(2023-06-06)
setup() {
Serial.begin(9600); // setup serial}void loop() {Serial.println(analogRead(A0));delay(100......

ARM处理器基础Cortex-M4(2024-07-10)
instructions, and cannot use the CPS instruction • Cannot access the system timer, NVIC, or system......

HD44780模块LCD接口例程(2022-12-27)
;
/***********************************/
/* Setup the lcd device */
/***********************************/
void......

Python 命令行之旅:深入 click 之增强功能(2024-12-13)
的一个表现。
在命令行程序正确安装后,Bash 补全才可以使用。而如何安装可以参考 setup 集成。Click 目前仅支持 Bash 和 Zsh 的补全。
2.1.1 补全......

STM32数模转换器的说明(2023-08-16)
radian_per_degree 0.0174532925 void setup(); void GPIO_setup(); void DAC_setup(); void main() { signed......

在linux环境下搭建嵌入式开发平台(2024-07-26)
setup |
|Modem and dialing |
|Screen and keyboard |
|Save setup as dfl......

300PLCmpi转以太网通过CHNet-S7300与LABVIEW OPC通信(2024-09-23)
.在弹出的对话框中选择“OPC Client”,点击“Continue”。
3.在弹出的对话框中选择“National Instruments.NIOPCServers”,点击“OK”。
4.保存......

Linxu S3C2440 LCD驱动 测试程序(2024-06-13)
)
{
printf("Error: cannot open framebuffer device.n");
exit(1......

STM32 SysTick中断使用方法(2024-03-05)
要求中断号要大于0(Value cannot be negative.),所以就不能调用NVIC中断使能函数了,直接在操作寄存器开启中断就可以了。
修改如下:
#include "delay.h......

mini2440下调试IIC时序问题总结与分析(2024-06-20)
;
dwCounter = 100 * uS;
while(dwCounter--);
}
void I2c_Initialize ()
{ // put setup code......

内核移植(4)移植yaffs文件系统(2023-08-15)
for lcd, cannot attachs3c2410-lcd: probe of s3c2410-lcd failed with error -22lp: driver loaded......

linux-2.6.32在mini2440开发板上移植 按键驱动程序移植(2024-06-19)
].irq < 0) {continue;}/*注册中断函数*/err = request_irq(button_irqs[i].irq, buttons_interrupt......

FPGA设计中时序分析设计方案详解(2024-12-18)
Clock-to-Output Delay
数据输出延时(Tco):这个时间指的是当时钟有效沿变化后,数据从输入端到输出端的最小时间间隔。
9 寄存器建立/保持时间 Setup......

s3c2440裸机开发调试环境(MDK4.72,Jlink v8,mini2440)(2024-08-09)
// Clock Setup
// FCLK = 300 MHz, HCLK = 100......

mini2440 MP3播放器(2024-06-20)
[i].irq < 0) {
continue;
}
err = request_irq(button_irqs[i].irq......

如何使用FlashPro-ARM编程器实现STM32H563/573的生命周期管理?(2024-06-13)
文件。
FlashPro-ARM支持的操作
1、使用FlashPro-ARM执行生命周期和配置密码管理
打开FlashPro-ARM,选择STM32H563/573 MCU
打开Setup->......

学习搭建S3C6410开发板的测试环境心得(2024-09-27)
第三步:配置minicom
#minicom -s 进入配置页面,进入“Serial port setup”菜单项,配置串口设备和传输速率:Serial Device设为/dev/ttyS0,Bps......

u-boot-2009.08在mini2440上的移植 增加nor flash功能(2024-07-01)
short *)addr) & 0x40)) continue; if((*((volatile unsigned short *)addr......

这是一篇由ChatGPT撰写的文章(2023-02-09)
that the Chinese semiconductor market will continue to grow, driven by strong demand from a range......

IXYS推出了ISOPLUSTM表面贴装功率器件(SMPD)系列的最新产品(2013-03-05)
and power loss due to parasitic inductance. We will continue to develop products which resonate......

苹果被爆惊天漏洞,黑客盯上了这个功能(2023-12-22)
AppleTV Setup*/const uint8_t SHORT_DEVICES[][23] = { // AppleTV Setup {0x16, 0xff, 0x4c, 0x00, 0x04......

新手都能看懂的 USB 通信协议(2024-12-13)
="" hei neue arial sans-serif>
1、基本概念
一个【传输】(控制、批量、中断、等时):由多个【事务】组成;一个【事务】(IN、OUT、SETUP):由一......

C51单片机的PID程序编写(2023-09-06)
- Old_error_G));
// Control_new cannot exceed PID_MAX or fall below PID_MIN
if (Control_new 》 PID_MAX......
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