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Analog 的代码
initializing.c
#include "F2407REGS_c.h"
#include "math.h"
extern signed long U_data_in[320]; // 10个周波AD采样数据，为长整数
signed long U_data_analog[32]; // 1个周波AD采样模拟数据
/***********************************************
valuetbl.h
#if VGA_ENABLE
// analog port
RegUnitType code tProgVGAPort[] =
{
{BK0_00_REGBK, REG_BANK1_ADC_ACE_MCU},
{BK1_0A, 0x10}, // clamp placement
//{BK1_0B, 0x05}, // clamp duration
clockex.m
function clockex
% CLOCKEX Analog display clock.
clf
shg
axis([-1.1 1.1 -1.1 1.1])
axis square
axis off
x = sin(2*pi*(1:60)/60);
y = cos(2*pi*(1:60)/60);
k = 5:5:60;
line(x,y,'linestyle','
modmap.m
function y = modmap(x, Fd, Fs, method, M, opt2, opt3)
%MODMAP Maps digital signal to analog signal for modulation.
% Y = MODMAP(X, Fd, Fs, METHOD, OPT1, OPT2, OPT3) maps a sample
% freq
freq2levy.m
function [num,den]= FREQ2LEVY(H,w,na,nb)
% FREQ2LEVY Analog filter weighted least squares fit to frequency response data
% by Levy algorithm..
% [NUM,DEN]=FREQ2LEVY(H,W,NA,NB) gives real numer
lp2bp.m
function [at,bt,ct,dt] = lp2bp(a,b,c,d,wo,bw)
%LP2BP Lowpass to bandpass analog filter transformation.
% [NUMT,DENT] = LP2BP(NUM,DEN,Wo,Bw) transforms the lowpass filter
% prototype NUM(s)/DEN(
lp2bs.m
function [at,bt,ct,dt] = lp2bs(a,b,c,d,wo,bw)
%LP2BS Lowpass to bandstop analog filter transformation.
% [NUMT,DENT] = LP2BS(NUM,DEN,Wo,Bw) transforms the lowpass filter
% prototype NUM(s)/DEN(
lp2hp.m
function [at,bt,ct,dt] = lp2hp(a,b,c,d,wo)
%LP2HP Lowpass to highpass analog filter transformation.
% [NUMT,DENT] = LP2HP(NUM,DEN,Wo) transforms the lowpass filter
% prototype NUM(s)/DEN(s) wit