added input timeouts

git-svn-id: https://svn.salfter.gotdns.org/svn/a2bfc/trunk@91 1b90f75b-8b96-4784-87c0-14078182fce6

main.c

@@ -8,12 +8,14 @@
 #include "ow-time.h"
 #include "main.h"
 
+COMP_STATUS compressor_status;
+unsigned char* tempsensor=NULL;
+unsigned char* clockdev=NULL;
+
 int main (void)
 {
   short i, devcount;
   unsigned char devs[80];
-  unsigned char* tempsensor=NULL;
-  unsigned char* clock=NULL;
   time_t t;
   struct tm intime;
   unsigned char setpoint=70;
@@ -30,9 +32,9 @@ int main (void)
     if (ow_temp_idcheck(&devs[i<<3]))
       tempsensor=&devs[i<<3];
     if (ow_time_idcheck(&devs[i<<3]))
-      clock=&devs[i<<3];
+      clockdev=&devs[i<<3];
   }
-  if (tempsensor==NULL || clock==NULL)
+  if (tempsensor==NULL || clockdev==NULL)
   {
     printf("Error: temperature sensor and/or clock not found.\n");
     return -1;
@@ -44,41 +46,51 @@ int main (void)
   {
     bzero(&intime, sizeof(intime));
     printf("Year? ");
-    intime.tm_year=readnum()-1900;
+    intime.tm_year=readnum(0,0)-1900;
     printf("Month? ");
-    intime.tm_mon=readnum()-1;
+    intime.tm_mon=readnum(0,0)-1;
     printf("Day? ");
-    intime.tm_mday=readnum();
+    intime.tm_mday=readnum(0,0);
     printf("Hour? ");
-    intime.tm_hour=readnum();
+    intime.tm_hour=readnum(0,0);
     printf("Minute? ");
-    intime.tm_min=readnum();
-    ow_time_set(clock, mktime(&intime));
+    intime.tm_min=readnum(0,0);
+    ow_time_set(clockdev, mktime(&intime));
+    clrscr();
   }
 
+  relayctrl(0);
+  gotoxy(25,0);
+  printf("off ");
+  gotoxy(0,2);
   do
   {
     do
     {
-//      for (i=0; i<250; i++)
-//        ow_mswait();
-      t=ow_time_read(clock);
+      t=ow_time_read(clockdev);
       currtemp=ow_temp_read(tempsensor, OW_TEMP_FAHRENHEIT);      
       gotoxy(0,0);
       printf("curr=%i set=%i goto=%i \n", 
         currtemp, 
         setpoint,
         gotopoint);
-      printf("%s", asctime(localtime(&t)));
+      memcpy(&intime, localtime(&t), sizeof(intime));
+      printf("%i/%i/%02i %02i:%02i:%02i             \n",
+        intime.tm_mon+1,
+        intime.tm_mday,
+        intime.tm_year%100,
+        intime.tm_hour,
+        intime.tm_min,
+        intime.tm_sec);
       printf("                     \n");
       gotoy(wherey()-1);
-      if (currtemp>=setpoint+2)
+      if (currtemp>=setpoint+2 && compressor_status==COMP_OFF)
       {
         if (t-shutoff>300)
         {
           relayctrl(1);
           gotoxy(25,0);
-          printf("    ");
+          printf("on  ");
           gotoxy(0,2);
         }
         else
@@ -88,10 +100,13 @@ int main (void)
           gotoxy(0,2);
         }
       }
-      if (currtemp<=setpoint-2)
+      if (currtemp<=setpoint-2 && compressor_status==COMP_ON)
       {
         relayctrl(0);
         shutoff=t;
+        gotoxy(25,0);
+        printf("off ");
+        gotoxy(0,2);
       }
       if (t>=gototime && gotopoint!=setpoint)
       {
@@ -109,16 +124,17 @@ int main (void)
     if (cmd=='S')
     {
       printf("Set point? ");
-      gotopoint=setpoint=readnum();
+      gotopoint=setpoint=readnum(setpoint,1);
     }
     if (cmd=='G')
     {
       printf("Go-to point? ");
-      gotopoint=readnum();
+      gotopoint=readnum(gotopoint,1);
       gototime=t+3600;
     }
   }
   while (cmd!=3);
+  relayctrl(0);
 
   return 0;
 }
@@ -126,15 +142,30 @@ int main (void)
 int readYN()
 {
   unsigned char c;
+  time_t start;
 
-  cputc('_');
+  cputc('_'); // display cursor
   do
   {
+    start=ow_time_read(clockdev);
+    do // wait for input, but time out after 15 seconds
+    {
+    }
+    while (!kbhit() && ow_time_read(clockdev)-start<15);
+    if (!kbhit()) // time out...return "no"
+    {
+      backup();
+      c='N';
+      cputc(c);
+      cputc(13);
+      cputc(10);
+      return 0;
+    }
     c=cgetc();
-    if (c>96)
+    if (c>96) // convert lowercase to uppercase
       c=c-32;
   }  
-  while (c!='Y' && c!='N');
+  while (c!='Y' && c!='N'); // yes or no only
   backup();
   cputc(c);
   cputc(13);
@@ -142,17 +173,34 @@ int readYN()
   return (c=='Y')?1:0;
 }
 
-int readnum()
+int readnum(int defval, unsigned char timeout)
 {
   unsigned char c[8];
   unsigned char p=0;
   int r=0;
   unsigned char i;
+  time_t start;
   
   bzero(c, sizeof(c));
   do
   {
     cputc('_');
+    start=ow_time_read(clockdev);
+    do
+    {
+    }
+    while (!kbhit() && timeout && ow_time_read(clockdev)-start<15);
+    if (!kbhit() && timeout)
+    {
+      while (p>0)
+      {
+        backup();
+        p--;
+      }
+      backup();
+      printf("%i\n", defval);
+      return defval;
+    }
     c[p]=cgetc();
     backup();
     if (c[p]==8 || c[p]==127)
@@ -193,5 +241,6 @@ void relayctrl(unsigned char on)
 {
   signed int addr=-16294+(on>0);
   unsigned char x=PEEK(addr);
+  compressor_status=(on)?COMP_ON:COMP_OFF;
   return;
 }

main.h

@@ -1,9 +1,11 @@
 #ifndef _MAIN_H
 #define _MAIN_H
 
+typedef enum {COMP_OFF, COMP_ON} COMP_STATUS;
+
 int main (void);
 int readYN();
-int readnum();
+int readnum(int defval, unsigned char timeout);
 void backup();
 void relayctrl(unsigned char on);