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Description: #include <stdio.h>
unsigned long int crc32_table[256]
unsigned long int ulPolynomial = 0x04c11db7
unsigned long int Reflect(unsigned long int ref, char ch)
{ unsigned long int value(0)
// 交换bit0和bit7，bit1和bit6，类推
for(int i = 1 i < (ch + 1) i++)
{ if(ref & 1)
value |= 1 << (ch - i)
ref >>= 1 }
return value
}
init_crc32_table()
{ unsigned long int crc,temp
// 256个值
for(int i = 0 i <= 0xFF i++)
{ temp=Reflect(i, 8)
crc32_table[i]= temp<< 24
for (int j = 0 j < 8 j++){
unsigned long int t1,t2
unsigned long int flag=crc32_table[i]&0x80000000
t1=(crc32_table[i] << 1)
if(flag==0)
t2=0
else
t2=ulPolynomial
crc32_table[i] =t1^t2 }
crc=crc32_table[i]
crc32_table[i] = Reflect(crc32_table[i], 32)
}
}
-# include
Platform: |
Size: 795 |
Author: 海波 |
Hits:
Description: [美]Joe Campbell 著
徐国定 廖卫东 张庆 译
吴洪来 赵军 审校
清华大学出版社
第一部分 串行通信基础
第l章 ASCII字符集
第2章 异步通信技术基础
第3章 错误及错误检测
第4章 信息传输
第5章 调制解调器及其控制
第6章 UART:一个概念上的模型
第7章 实际的UART
第8章 baseline灵巧型调制解调器
第9章 智能调制解调器命令
第10章 协议调制解调器
第ll章 传真机
第二部分 用C语言编写异步通信程序
第12章 设计一个基本的串行I／O库
第13章 程序的可移植性
第14章 波特率和数据格式函数
第15章 RS—232输入控制
第16章 流控制和SIO管理
第17章 格式输出
第18章 格式输入
第19章 中断I／O导论
第20章 中断子处理程序
第2l章 灵巧型调制解调器程序设计
第22章 XMODEM文件传送
第23章 循环冗余校验CRC计算
第24章 Group3传真图象的编码和解码
Platform: |
Size: 17902239 |
Author: fanny |
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Description: AT89C51SND1具有以下功能： *MP3硬件解码器
-单独的MP3解码器
-支持48，44.1, 32, 24, 22.05, 16KHz采样频率
-左右声道独立的音量控制(软件使用31级)
-重低音、中音、高音均衡控制(31级)
-重低环绕声效果
-辅助数据输出
-“CRC错误”和“MPEG帧同步”指示-AT89C51SND1 has the following functions : * MP3 decoder hardware-alone MP3 decoder-support 48, 44.1, 32, 24, 22.05, 16KHz sampling frequency-independent channel around the volume control (software 31) - bass, tenor, Treble balance control (31) - weight Surround Sound effect of low-output auxiliary data - "CRC error" and "MPEG frame synchronization "instructions
Platform: |
Size: 234201 |
Author: 刘研 |
Hits:
Description: 分别用三种方法依次实现了24位CRC算法
Platform: |
Size: 3873316 |
Author: hopeqiu |
Hits:
Description: AT89C51SND1具有以下功能： *MP3硬件解码器
-单独的MP3解码器
-支持48，44.1, 32, 24, 22.05, 16KHz采样频率
-左右声道独立的音量控制(软件使用31级)
-重低音、中音、高音均衡控制(31级)
-重低环绕声效果
-辅助数据输出
-“CRC错误”和“MPEG帧同步”指示-AT89C51SND1 has the following functions :* MP3 decoder hardware-alone MP3 decoder-support 48, 44.1, 32, 24, 22.05, 16KHz sampling frequency-independent channel around the volume control (software 31)- bass, tenor, Treble balance control (31)- weight Surround Sound effect of low-output auxiliary data- "CRC error" and "MPEG frame synchronization "instructions
Platform: |
Size: 233472 |
Author: 刘研 |
Hits:
Description: 这是一个matlab编写的CRC冗余校验编解码程序，里面采用了美国通用的16位CRC交验多项式，-This is a matlab prepared codec CRC redundancy check procedure, which uses the U.S. General inspection of the 16-bit CRC polynomial,
Platform: |
Size: 1024 |
Author: 景秀 |
Hits:
Description: CRC MATLAB 源程序，包括了CRC添加功能，输出直接为已添加CRC的数据，CRC8，16，24！-CRC MATLAB source code, including CRC add functionality, the output directly to the CRC of the data has been added, CRC8, 16,24!
Platform: |
Size: 2048 |
Author: luoyoubao |
Hits:
Description: Features
■ AEC Qualified
■ Powerful Harvard Architecture Processor
❐ M8C Processor Speeds up to 24 MHz
❐ Low Power at High Speed
❐ 3.0V to 5.25V Operating Voltage
❐ Automotive Temperature Range: -40°C to +85°C
■ Advanced Peripherals (PSoC®
Blocks)
❐ 4 Analog Type “E” PSoC Blocks Provide:
• 2 Comparators with DAC References
• Up to 10-Bit Single or Dual, 24 Channel ADC
❐ 4 Digital PSoC Blocks Provide:
• 8 to 32-Bit Timers, Counters, and PWMs
• CRC and PRS Modules
• Full- or Half-Duplex UART
• SPI Master or Slave
• Connectable to All GPIO Pins
❐ Complex Peripherals by Combining Blocks
• Capacitive Sensing Application Capability
■ Flexible On-Chip Memory
❐ 8K Flash Program Storage
❐ 512 Bytes SRAM Data Storage
❐ In-System Serial Programming (ISSP)
❐ Partial Flash Updates
❐ Flexible Protection Modes
❐ EEPROM Emulation in Flash-Features
■ AEC Qualified
■ Powerful Harvard Architecture Processor
❐ M8C Processor Speeds up to 24 MHz
❐ Low Power at High Speed
❐ 3.0V to 5.25V Operating Voltage
❐ Automotive Temperature Range:-40°C to+85°C
■ Advanced Peripherals (PSoC®
Blocks)
❐ 4 Analog Type “E” PSoC Blocks Provide:
• 2 Comparators with DAC References
• Up to 10-Bit Single or Dual, 24 Channel ADC
❐ 4 Digital PSoC Blocks Provide:
• 8 to 32-Bit Timers, Counters, and PWMs
• CRC and PRS Modules
• Full- or Half-Duplex UART
• SPI Master or Slave
• Connectable to All GPIO Pins
❐ Complex Peripherals by Combining Blocks
• Capacitive Sensing Application Capability
■ Flexible On-Chip Memory
❐ 8K Flash Program Storage
❐ 512 Bytes SRAM Data Storage
❐ In-System Serial Programming (ISSP)
❐ Partial Flash Updates
❐ Flexible Protection Modes
❐ EEPROM Emulation in Fl
Platform: |
Size: 360448 |
Author: aaooaa |
Hits:
Description: msp430 实验代码 1,MSP430开发基础
2，键盘设计
3，数码管显示电路设计
4，液晶模块接口
5，MSP430 CRC
6，中文输入法
7，数据压缩算法
8，FIR滤波
9，FFT算法
10，波特率自动识别
11,串行存储
12；NAND flash 接口
13；A/ D，TLV2541
14；DA DAC8830
15；ADS1241
16；温度 TMP100
17；定时器 DAC
18；数据采集
19；交流电压测量
20；车速测量
21；DS1820
22；DS1302
23；基于BQ26500温度检测系统
24；红外传输系统
25；pc通信
26；无线MODEM
27；楼宇对讲系统
28；DSP HPI接口
29；无线传输模块
30；步进电机控制
31；can通信系统-msp430 test code 1, MSP430 Development Foundation 2, keyboard 3, the digital display circuit 4, the LCD module interface 5, MSP430 CRC 6, 7, Chinese input methods, data compression algorithm 8, FIR filter 9, FFT algorithm for 10, Porter automatic identification rate of 11, serial memory 12 NAND flash interface, 13 A/D, TLV2541 14 DA DAC8830 15 ADS1241 16 temperature TMP100 17 timer DAC 18 data collection 19 AC voltage measurement 20 speed measurement 21 DS1820 22 DS1302 23 temperature detection system based on BQ26500 24 infrared transmission system 25 pc communication 26 wireless MODEM 27 building intercom system 28 DSP HPI interface, 29 wireless transmission module 30 stepper motor control 31 can Communication Systems
Platform: |
Size: 247808 |
Author: teamo38 |
Hits:
Description: crc校验码verilog代码，24bits，按原理写的代码-cyclic redundancy check
24 bits
verilog
Platform: |
Size: 1024 |
Author: 陈阳 |
Hits:
Description: 添加不同校验比特个数下的CRC校验，包括8，16，24个校验比特-Different number of parity bits added under the CRC checksum, parity bits, including 8,16,24 months
Platform: |
Size: 2048 |
Author: 朱敏 |
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Description: 进行LTE的CRC的添加程序，在lTE系统的链路级仿真中，发端的设计编程。属于LTE CRC附着器。-CRCA，CRCB，LTE
Platform: |
Size: 1024 |
Author: li |
Hits:
Description: CRC 24 code python for calculate result
Platform: |
Size: 6144 |
Author: Juan M |
Hits:
Description: Max MTU for FCoE: 14 (FCoE header) + 24 (FC header) + 2112 (max FC payload) + 4 (FC CRC) + 4 (FCoE trailer) = 2158 bytes.
Platform: |
Size: 5120 |
Author: nrriyy |
Hits:
Description: Max MTU for FCoE: 14 (FCoE header) + 24 (FC header) + 2112 (max FC payload) + 4 (FC CRC) + 4 (FCoE trailer) = 2158 bytes.
Platform: |
Size: 5120 |
Author: ziumejong |
Hits:
Description: LabVIEW源码，可完成串口通信，CRC校验，数据处理保存绘图等功能-LabVIEW source code, to be completed by serial communication, CRC checking, data processing and other functions save the drawing
Platform: |
Size: 754688 |
Author: 田冠雪 |
Hits:
Description: 对信息传输比特进行24位CRC比特添加，用于接收数据的检测-Transmission of the information bits CRC 24 bits are added, for receiving data detected
Platform: |
Size: 1024 |
Author: 潘菲 |
Hits: