How to Convert c code to matlab

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Jun
Jun 2022-11-17
评论： Walter Roberson 2022-11-17
#include<16F877.h>
#include<stdio.h>
#bit led=0x05.0
#bit TRIS_led=0x85.0
#byte lcd=0x06
#byte TRIS_lcd=0x86
#bit rs=0x07.0
#bit TRIS_rs=0x87.0
#bit en=0x07.1
#bit TRIS_en=0x87.1
#bit relay=0x07.2
#bit TRIS_relay=0x87.2
#bit C1=0x08.0
#bit C2=0x08.1
#bit C3=0x08.2
#bit R1=0x08.3
#bit R2=0x08.4
#bit R3=0x08.5
#bit R4=0x08.6
#bit TRIS_C1=0x88.0
#bit TRIS_C2=0x88.1
#bit TRIS_C3=0x88.2
#bit TRIS_R1=0x88.3
#bit TRIS_R2=0x88.4
#bit TRIS_R3=0x88.5
#bit TRIS_R4=0x88.6
void display(unsigned char a,int b); //LCD subroutine
char keypad(); //Keypad Subroutine
void check(); //Password check routine
char password[5]={"7196"}; //Predefined password
char pswd[5];
unsigned char open_msg[15]="Enter Password";
unsigned char welcome_msg[8]="Welcome";
unsigned char close_msg[15]="Wrong Password";
char c;
int flag,i,count,j;
void main()
{
TRIS_lcd=TRIS_en=TRIS_rs=TRIS_led=TRIS_relay=0; //Directions set
TRIS_R1=TRIS_R2=TRIS_R3=TRIS_R4=count=0;
TRIS_C1=TRIS_C2=TRIS_C3=1;
while(TRUE)
{
c=keypad();
{
if(c=='*') //Initialize condition
{
flag=1; //Flag set to scan other keys
count=0;
display(0x01,0);
display(0x38,0);
display(0x0f,0);
display(0x80,0);
for(i=0;i<=13;i++)
{
display(open_msg[i],1);
}
display(0xc0,0);
}
else if(c=='#') //Turning off condition
{
count=0;
relay=0;
display(0x01,0);
display(0x0c,0);
}
else
{
display('*',1);
pswd[count]=c; //Storing input in new arrays
count=count+1;
check();
}
}
}
}
void display(unsigned char a,int b)
{
lcd=a;
rs=b;
en=1;
delay_ms(10);
en=0;
delay_ms(10);
}
char keypad()
{
if(flag==0) //Waiting for Initialization
{
while(TRUE)
{
R4=1;
R1=R2=R3=0;
if(C1==1)
{
while(C1==1);
count=0;
return '*';
}
if(C3==1)
{
while(C3==1);
count=0;
return '#';
}
}
}
else if(flag==1)
{
while(TRUE) //Keypad scan
{
R1=1;
R2=R3=R4=0;
if(C1==1)
{
while(C1==1);
return '1';
}
if(C2==1)
{
while(C2==1);
return '2';
}
if(C3==1)
{
while(C3==1);
return '3';
}
R2=1;
R1=R3=R4=0;
if(C1==1)
{
while(C1==1);
return '4';
}
if(C2==1)
{
while(C2==1);
return '5';
}
if(C3==1)
{
while(C3==1);
return '6';
}
R3=1;
R1=R2=R4=0;
if(C1==1)
{
while(C1==1);
return '7';
}
if(C2==1)
{
while(C2==1);
return '8';
}
if(C3==1)
{
while(C3==1);
return '9';
}
R4=1;
R1=R2=R3=0;
if(C1==1)
{
while(C1==1);
return '*';
}
if(C2==1)
{
while(C2==1);
return '0';
}
if(C3==1)
{
while(C3==1);
return '#';
}
}
}
}
void check()
{
if(count>3) //Input exceeds count 3 will execute comparison
{
flag=count=0;
j=strcmp(pswd,password); //Comparison of input and Predefined pswd
if(j==0)
{
relay=1; //Turning relay on
display(0x01,0);
display(0x80,0);
for(i=0;i<=6;i++)
{display(welcome_msg[i],1);}
}
else
{
relay=0;
display(0x01,0);
display(0x80,0);
for(i=0;i<=13;i++)
{display(close_msg[i],1);}
}
}
}

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回答（1 个）

Walter Roberson
Walter Roberson 2022-11-17
That code cannot be written in MATLAB. That code is designed for embedded hardware, and uses vendor extensions to create hardware addresses for bytes and for direct access to tri-state bits. MATLAB does not provide any direct access to hardware addresses on the host.
  1 个评论
Walter Roberson
Walter Roberson 2022-11-17
See though https://www.mathworks.com/hardware-support/microchip.html for Simulink support for dsPIC

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