＃include <dos.h>
＃include <time.h>
#define LSB 0
#define MSB 1
#define RXR 0
#define TXR 0
#define IER 1
#define IIR 2
#define LCR 3
#define MCR 4
#define LSR 5
#define MSR 6
#define Com1_base 0x3f8
#define uchar unsigned char
volatile uchar inputData
volatile uchar onInput = 0x00
volatile uchar onOutput = 0x00
volatile uchar inputdata[256] /*设设置接收缓冲区大小*/
volatile unsigned int count /*中断接收的数据数目*/
int datacount/*当前已发送数据条数*/
void interrupt (*OldVect)()/*函数是用来获取中断处理程序的入口地址的*/
void interrupt SerialISR()
void InitCom()
{
uchar inttemp
/*设置波特率什么的*/
outportb(Com1_base+LCR,0x80) /*使LCR的高位为1，以便读取其它寄存器*/
outportb(Com1_base+LSB,0x0c) /*除数锁存器（低8位）DLL*/
outportb(Com1_base+MSB,0x00) /*除数锁存器（高8位）DLH 产生2400波特率*/
outportb(Com1_base+LCR,0x03) /*8位数据，1位停止位，无校验*/
outportb(Com1_base+IER,0x01) /*接收采用中断方式*/
/*设置中断向量*/
OldVect = getvect(0x0c)/*函数是用来获取中断处理程序的入口地址的*/
disable()
inttemp = inportb(0x21)&0xef
outportb(0x21,inttemp)
setvect(0x0c,SerialISR)/*设置SerialISR的中断入口地址为0X0C*/
enable()
}
void CloseCom()
{
disable()
outportb(Com1_base+IER,0x00) *禁止中断*/
outportb(Com1_base,0x00)
outportb(0x21,inportb(0x21)|~(0xef))
setvect(0x0c,OldVect)
}
void interrupt SerialISR()
{
/*串口中断服务代码*/
inputData = inportb(Com1_base+RXR)
onInput = 0x01
inputdata[count]=inputData
count++
/*服务代码结束*/
outportb(0x20,0x20) /*中断结束的代码*/
}
void SendChar(uchar key)
{
while( ((inportb(Com1_base + LSR)) &0x40) == 0)
outportb(Com1_base + TXR,key)
}
/*...........延时函数......................*/
void delay(unsigned int n)
{
unsigned int i,k
for(k=0k<nk++)
{
for(i=1i<1142i++)
}
}
/*........CDMA命令发送函数.................*/
void CDMA_CommandSend(char *p,unsigned int n)
{
int i,k,m,l
int flag=0
int selse_flag=0 int selse_flag_1=0
int selse_flag1=0int selse_flag1_1=0
time_t start,end
double dif=0
char a
uchar bExit_flag = 0x00
count=0
while(!bExit_flag)
{
count=0
for(i=0i<ni++)
{SendChar(*p)delay(9000)p++}
/*..........等待2S..................*/
time (&start)
dif=0
while(dif<2)
{
delay(9000)
time (&end)
dif = difftime (end,start)
}
if(count>14)
{
time (&start)
dif=0
while(dif<3)
{
delay(9000)
time (&end)
dif = difftime (end,start)
}
}
/*..........判断发送命令是否成功..................*/
for(m=0m<countm++)
{
if(count>10)
{
for(l=0l<countl++)
{
if(inputdata[l-1]=='N'&&inputdata[l-2]=='E'&&inputdata[l-3]=='P'&&inputdata[l-4]=='O'&&inputdata[l-5]=='P'&&inputdata[l-6]=='P'&&inputdata[l-7]=='P'&&inputdata[l-8]=='V') { selse_flag_1=1}
if(inputdata[l-1]=='N'&&inputdata[l-2]=='E'&&inputdata[l-3]=='P'&&inputdata[l-4]=='O'&&inputdata[l-5]=='P'&&inputdata[l-6]=='C'&&inputdata[l-7]=='T'&&inputdata[l-8]=='V') { selse_flag1_1=1}
}
if(selse_flag_1==1){if(inputdata[m-1]=='3'&&inputdata[m-2]=='3'&&inputdata[m-3]==':'&&inputdata[m-4]=='T') selse_flag=1}
if(selse_flag1_1==1){if(inputdata[m-1]=='0'&&inputdata[m-2]==','&&inputdata[m-3]=='1'&&inputdata[m-4]==':'&&inputdata[m-5]=='N') selse_flag1=1}
if(selse_flag_1==1||selse_flag1_1==1)
{
if(selse_flag==1) {if(inputdata[m-1]=='0'&&inputdata[m-2]==':'&&inputdata[m-3]=='N'&&inputdata[m-4]=='E') flag=1}
if(selse_flag1==1) {if(inputdata[m-1]=='0'&&inputdata[m-2]==','&&inputdata[m-3]=='1'&&inputdata[m-4]==':'&&inputdata[m-5]=='S') flag=1}
}
else {if(inputdata[m-1]=='O'&&inputdata[m]=='K') {flag=1}}
}
else {if(inputdata[m-1]=='O'&&inputdata[m]=='K') flag=1 }
}
if(flag==1){bExit_flag = 0x01}
else {p=p-n}
for(i=0i<counti++) printf("%c",inputdata[i])
/*........按空格停止测试.............................*/
if(kbhit()){a=getch()if(a==' '){CloseCom() exit(1)}}
}
}
/*........数据测试发送任务.....................*/
void Data_Send(char *pcomd,int n,char *pdata,int m)
{
int i,k,ltime_t start,end
double dif=0
count=0
for(i=0i<ni++)
{
SendChar(*pcomd)delay(9000)pcomd++
}
time (&start)
dif=0
while(dif<0.2)
{
delay(9000)
time (&end)
dif = difftime (end,start)
}
for(l=0l<ml++)
{
SendChar(*pdata)pdata++
}
printf("The data num:%d",datacount)
datacount++
}
void main()
{int ichar a
/*........模块测试命令..................................*/
uchar CDMA_COMMAND_1[]={"at\r"}
uchar CDMA_COMMAND_2[]={"atz\r"}
uchar CDMA_COMMAND_3[]={"ate1v1\r"}
uchar CDMA_COMMAND_4[]={"AT+CRM=1+CPS=33+CMUX=1+CTA=0\r"}
uchar CDMA_COMMAND_5[]={"AT+VPPPOPEN\r"}
uchar CDMA_COMMAND_6[]={"AT+VTCPOPEN=1,\"60.63.42.129\",1234\r"}
uchar CDMA_COMMAND_7[]={"AT+VTCPSEND=1,20\r"}
uchar CDMA_DATA[]={"ABCDEFGHIJKLMNOPQRST"}
uchar CDMA_COMMAND_9[]={"AT+VPPPCLOSE\r"}
uchar CDMA_COMMAND_8[]={"AT+VTCPCLOSE=1\r"}
uchar bExit_flag1 = 0x00
time_t start,end
double dif=0
InitCom()/*初始化端口1*/
inputData = inportb(Com1_base+RXR)
while(!bExit_flag1)
{
/*.................................................................*/
if(kbhit()) /*按任意键开始测试CDMA*/
{
/*.............................................................. ...*/
/*.........发送TCP断开命令.....................................*/
CDMA_CommandSend(CDMA_COMMAND_8,strlen(CDMA_COMMAND_8))
/*.........发送PPP断开命令......................................*/
CDMA_CommandSend(CDMA_COMMAND_9,strlen(CDMA_COMMAND_9))
/*.........发送AT命令..........................................*/
CDMA_CommandSend(CDMA_COMMAND_1,strlen(CDMA_COMMAND_1))
/*.........发送ATZ命令.........................................*/
CDMA_CommandSend(CDMA_COMMAND_2,strlen(CDMA_COMMAND_2))
/*.........发送ATE1V1命令......................................*/
CDMA_CommandSend(CDMA_COMMAND_3,strlen(CDMA_COMMAND_3))
/*.........发送AT初始化命令....................................*/
CDMA_CommandSend(CDMA_COMMAND_4,strlen(CDMA_COMMAND_4))
/*.........发送PPP拔号命令.....................................*/
CDMA_CommandSend(CDMA_COMMAND_5,strlen(CDMA_COMMAND_5))
/*.........发送网络连接命令....................................*/
CDMA_CommandSend(CDMA_COMMAND_6,strlen(CDMA_COMMAND_6))
/*.........发送数据............................................*/
datacount=0
while(1)
{
Data_Send(CDMA_COMMAND_7,strlen(CDMA_COMMAND_7),CDMA_DATA,strlen(CDMA_DATA))
time (&start)
dif=0
while(dif<0.2)
{
delay(9000)
time (&end)
dif = difftime (end,start)
}
if(kbhit()){a=getch()if(a==' '){bExit_flag1 = 0x01 break}}
}
/*.........发送TCP断开命令.....................................*/
for(i=0i<3i++)
CDMA_CommandSend(CDMA_COMMAND_8,strlen(CDMA_COMMAND_8))
/*.........发送PPP断开命令......................................*/
for(i=0i<3i++)
CDMA_CommandSend(CDMA_COMMAND_9,strlen(CDMA_COMMAND_9))
bExit_flag1 = 0x01
}
/*.................................................................*/
}
CloseCom()/*关闭端口1*/
printf("Bye~.\n")
}
可以用MATLAB产生一个由两个正弦波混叠的信号，然后将其输出地数据存储在一个文本文件中，再导入滤波器的测试文件中就可以了：N =256
n = 1:256
x = fix(128 + (2^7 - 10) * sin(2*pi*n/N))
plot(x)
fid = fopen('e:/sin.txt','wt')
fprintf(fid,'%x\n',x)
fclose(fid)
这里只有一个正弦信号，你再叠加一个就可以了。
欢迎分享，转载请注明来源：内存溢出
微信扫一扫
支付宝扫一扫
评论列表（0条）