char code_check(char *code_in)
//input: arrays containing code entered;
//output: outputs 1 if code correct, else 0
//sys reqs: define PASS_LENGTH (should be in definitions.h), define pass_read();
//This is written as a separate function so main doesn't see the stored pass code
{
char pass[PASS_LENGTH];
pass_read(pass); //read the passcode from EEPROM memory
return(check_arrays(pass,code_in));
}
static void test ()
{
#if __BYTE_ORDER__ == __ORDER_LITTLE_ENDIAN__
vector unsigned long vul = {1,0};
vector double vd = {1.0,0.0};
#else
vector unsigned long vul = {0,1};
vector double vd = {0.0,1.0};
#endif
vec_stl (vul, 0, (vector unsigned long *)svul);
vec_stl (vd, 0, (vector double *)svd);
check_arrays ();
}
void door_routine(void)
//This function opens the door and exits when the door is locked
{
//variables for this function
char pass[PASS_LENGTH],pass_2[PASS_LENGTH];
int x,y,exit=0,loop; //x,y,temp are used to check return values from passcode_func. exit is used to hold infinite loop till door closed
//initialisation
for(loop=0;loop<PASS_LENGTH;++loop)
{
pass[loop]=PASS_NULL;
pass_2[loop]=PASS_NULL;
}
//first, open the door
open_door();
Write("OPEN");
while(exit!=1) //function will only exit when door closed
{
if(key_flag==1)
{
if(key_pressed==KEY_CHANGE)
{
while(scan()==1); //debounce
key_flag=0;
Write("Chan"); //indicate that they've entered pass change mode
delay_10ms(150); //delay before blanking screen
Write(" ");
//passcode change mode
x=passcode_entering(pass,30);
if(x==KEY_ENTER) //only continue if passcode_func exited due to enter being pressed
{
Write(" ");
y=passcode_entering(pass_2,30);
if(y==KEY_ENTER)
{
if(check_arrays(pass,pass_2))
{
pass_write(pass);
Write("done"); //say 'done to indicate password changed.
}
else
{
Write("Err ");
}
delay_10ms(150); //1.5 second delay >>Could change this to "wait for enter pressed."
}
}
//clear values stored
for(loop=0;loop<PASS_LENGTH;++loop)
{
pass[loop]=PASS_NULL;
pass_2[loop]=PASS_NULL;
}
Write("OPEN");
}
if(key_pressed==KEY_ENTER)
{
while(scan()==1); //debounce
key_flag=0;
//now close the door
close_door();
Write("Shut");
exit=1; //door has been closed, function can now exit.
}
if(key_pressed!=KEY_ENTER&&key_pressed!=KEY_CHANGE) //just to handle/clear random numeric key presses whilst door is open
{
while(scan()==1); //debounce
key_flag=0;
}
}
}//end of while loop
}
