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Rs232串行通讯控制
Rs232串行通讯控制-Rs232 serial communication control
- 2022-03-11 20:36:09下载
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GPRS通信 源码
gPRS源码
2008-07-14
起初的硬件有鑫旺焊回来之后缺少几个电容和1个100k的电阻，电容主要是电源处储能的功能，
100k的电阻是sim300的sim卡上的simpress管脚和VEXT之间的，没焊接时虽能找到网络，但是会出现
掉网的情况，把这些补上后，没有问题了。所以以前的经验电路还是比较准确的。电源处一定要稳定。
另外这次初始化完成后就立即发短信，第一个短信没有成功。并且在串口接收中发短信等待模块返回信息时，
返回了call ready，之后再发就可以发出去了。这应该是模块还没有准备好。Call Ready
当搜寻到网络后开始发送短信，有时会出现+CMS ERROR: 517这个错误，应该是sim卡还未准备好，所以当搜寻到网络
后需要在多等待一会。待模块发出Call Ready信号后，再操作。
2008-7-19
今天早晨在家准备调试一下这个模块发现始终找不到网络，用哪个卡都
- 2023-01-16 15:30:04下载
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用IIR滤波器实现去除信号中的直流分量.用很少的资源实现去除直流分量的功能。...
用IIR滤波器实现去除信号中的直流分量.用很少的资源实现去除直流分量的功能。-remove the DC vector from the signal。implement the DC removing function using little resource.
- 2023-01-13 04:15:04下载
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一个串口调试软件的代码，很好用
一个串口调试软件的代码，很好用...
一个串口调试软件的代码，很好用
一个串口调试软件的代码，很好用-a serial debugging software code, with a good serial debugging software code, easy to use
- 2022-04-13 00:50:49下载
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I2C通信，verilog语言
I2C 通信中只涉及两条信号线，即时钟线 SCL 和数据线 SDA。时钟线为高电平时均可锁存数据（即时钟线上升沿到下降沿之间）。当时钟线 SCL 高电平时，如果把数据线 SDA 从高
电平拉到低电平，则表示通信开始；如果把数据线 SDA 从低电平拉到高电平，则表示通信结束。
代码中分了两个模块，iic_com 模块除了执行和 I2C 通信有关的代码设计外，还有按键检测部分，而 led_seg7 模块只是驱动数码管显示从 AT24C02 指定地址读出的数据。
- 2022-03-24 15:07:26下载
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sim 文件系统In addition, its quality of service reduces because of reliance on tradi...
sim 文件系统In addition, its quality of service reduces because of reliance on traditional circuit-switched network elements. At that former time, people hoped to build a based system, which could access a centralized server network, would always have access to the latest traffic information and could provide web links. What this trend is a momentous request for mobile services based on high-speed packet data transfer. Hence, a new standard, GPRS, came into being in order to fill people’s bill.-sim file system In addition, its quality of service reduces because of reliance on traditional circuit-switched network elements. At that former time, people hoped to build a based system, which could access a centralized server network, would always have access to the latest traffic information and could provide web links. What this trend is a momentous request for mobile services based on high-speed packet data transfer. Hence, a new standard, GPRS, came into being in order to fill people s bill.
- 2023-08-16 17:25:02下载
- 积分：1
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前言请注意本文概述了对邮件软件的开发平台。
Preface Please note this article outlines the development of mail software on platforms Pocket PC 2000 and older only. Pocket 2002 had significantly changed how mail is handled by the OS. I suggest you read the aricles available at the Pocket PC Developers Network Introduction Windows CE provides support for Email Storage as part of the core operating system (ie. its comes on the ROM chip). Microsoft provides a series of API s in the library msgstore.lib which its cal...
-Preface Please note this article outlines the development of mail software on platforms P ocket PC 2000 and older only. Pocket 2002 had sig nificantly changed how mail is handled by the OS . I suggest you read the aricles available at the Pocket PC Developers Network Introduction Win dows CE provides support for Email Storage as pa rt of the core operating system (ie. its comes on the ROM chip). Microsoft provides a series of AP I"s in the library msgstore.lib which its cal
- 2022-03-13 05:38:32下载
- 积分：1
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cp2101 －232 与usb 转换芯片的详细资料，需要的马上下载吧
cp2101 －232 与usb 转换芯片的详细资料，需要的马上下载吧-cp2101 with usb-232 chip for the conversion of detailed information needed to download it immediately
- 2023-08-01 17:40:03下载
- 积分：1
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TAPI 接受演示程序
TAPI 接受演示程序-TAPI accept Demonstration Program
- 2022-07-11 09:04:28下载
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数字滤波器设计,是有限冲击长响应的滤波器,希望各位高手指点...
数字滤波器设计,是有限冲击长响应的滤波器,希望各位高手指点-Digital filter design, is a finite impulse response filter length, hope that you instruct
- 2022-03-22 14:03:06下载
- 积分：1
