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example 4-1.c
/* Example 4 - 1. Single-Precision Biquad C Listing */
void sp_biquad(float *x, float *b, float *a, float *delay, float r, int nx)
{
int i;
float a1, a2, b0, b1, b2, d0, d1, x_i;
a1 = a[0]
stepper.c
/*
* STEPPER.C
* sweeping stepper's rotor cw and cww 400 steps
* Copyright (c) 1999 by W.Sirichote
*/
#include c:\mc51\8051io.h /* include i/o header file */
#include c:\mc51\8051reg.h
register
fet410_pwm.c
/***********************************************************************/
/* pwm413.c 2000-05-11 */
/*
fet120_uart01_19200.c
//******************************************************************************
// MSP-FET430P120 Demo - USART0 19200 Baud UART Echo Example With Interrupt
//
// Description; Echo a received c
0809_5.c
/*硬件部分由AT89<mark>C</mark>51,MAX232,AD<mark>C</mark>0809,NF555组成,555用来产生AD<mark>C</mark>0809的<mark>C</mark>LK,
现在好像是300多K,输入电压直接加在AD<mark>C</mark>0809的IN0,因为我只用一路所以AD<mark>C</mark>0809的
A、B、<mark>C</mark>三个进址我直接接地。AD<mark>C</mark>0809的ALE和StartART我连在一起由单片机的P3.4控制。*/
#in<mark>c</mark>lude
sbit Start =P ...
vi2c_c51.c
/********************************************************************
M<mark>C</mark>S-51单片机模拟I2<mark>C</mark>软件包(V1.1)
文件名:VI2<mark>C</mark>_<mark>C</mark>51.<mark>C</mark>
相关文件:VI2<mark>C</mark>_<mark>C</mark>51.H,VI2<mark>C</mark>_<mark>C</mark>51.LIB
功能说明:本模拟I2<mark>C</mark>软件包包含了I2<mark>C</mark>操作的底层函数,如发送数据及接收
数据,应 ...
des.c
/*********************************************************************/
/*-文件名:des.c */
/*- */
/*-功能: 实现DES加密算法的加密解密功能 */
/*- */
/*-说明:de
stepper.c
/*
* STEPPER.C
* sweeping stepper's rotor cw and cww 400 steps
* Copyright (c) 1999 by W.Sirichote
*/
#include c:\mc51\8051io.h /* include i/o header file */
#include c:\mc51\8051reg.h
register
fet410_pwm.c
/***********************************************************************/
/* pwm413.c 2000-05-11 */
/*
fet120_uart01_19200.c
//******************************************************************************
// MSP-FET430P120 Demo - USART0 19200 Baud UART Echo Example With Interrupt
//
// Description; Echo a received c