How to Convert c code to matlab

#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);}
 }
}
}

Answer 1

[Walter Roberson]

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.

[Walter Roberson]

See though https://www.mathworks.com/hardware-support/microchip.html for Simulink support for dsPIC