minimal fridge-controller functionality implemented (though it protects the compressor better than the BASIC program does)

git-svn-id: https://svn.salfter.gotdns.org/svn/a2bfc/trunk@90 1b90f75b-8b96-4784-87c0-14078182fce6

main.c

@@ -1,9 +1,12 @@
 #include <stdio.h>
 #include <conio.h>
+#include <errno.h>
+#include <string.h>
+#include <peekpoke.h>
 #include "ow.h"
 #include "ow-temp.h"
 #include "ow-time.h"
-#include <errno.h>
+#include "main.h"
 
 int main (void)
 {
@@ -12,20 +15,16 @@ int main (void)
   unsigned char* tempsensor=NULL;
   unsigned char* clock=NULL;
   time_t t;
-//  unsigned char c1, c2;
+  struct tm intime;
+  unsigned char setpoint=70;
+  unsigned char gotopoint=70;
+  unsigned char currtemp;
+  time_t shutoff=0;
+  unsigned char cmd;
+  time_t gototime=0;
 
   devcount=ow_enumeratedevices(devs, 10);
 
-/*//
-  for (c1=0; c1<devcount; c1++)
-  {
-    printf("%i: ", c1);
-    for (c2=0; c2<8; c2++)
-      printf("%02X ", devs[(c1<<3)+c2]);
-    printf("\n");
-  }
-//*/
-
   for (i=0; i<devcount; i++)
   {
     if (ow_temp_idcheck(&devs[i<<3]))
@@ -39,22 +38,160 @@ int main (void)
     return -1;
   }
 
-  ow_time_set(clock, 1190611728-28800);
-  
+  clrscr();
+  printf("Set clock? ");
+  if (readYN())
+  {
+    bzero(&intime, sizeof(intime));
+    printf("Year? ");
+    intime.tm_year=readnum()-1900;
+    printf("Month? ");
+    intime.tm_mon=readnum()-1;
+    printf("Day? ");
+    intime.tm_mday=readnum();
+    printf("Hour? ");
+    intime.tm_hour=readnum();
+    printf("Minute? ");
+    intime.tm_min=readnum();
+    ow_time_set(clock, mktime(&intime));
+  }
+
   do
   {
     do
     {
-      for (i=0; i<250; i++)
-        ow_mswait();
+//      for (i=0; i<250; i++)
+//        ow_mswait();
       t=ow_time_read(clock);
-      printf("%i deg F %s", 
-        ow_temp_read(tempsensor, OW_TEMP_FAHRENHEIT), 
-        asctime(localtime(&t)));
+      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)));
+      printf("                     \n");
+      gotoy(wherey()-1);
+      if (currtemp>=setpoint+2)
+      {
+        if (t-shutoff>300)
+        {
+          relayctrl(1);
+          gotoxy(25,0);
+          printf("    ");
+          gotoxy(0,2);
+        }
+        else
+        {
+          gotoxy(25,0);
+          printf("wait");
+          gotoxy(0,2);
+        }
+      }
+      if (currtemp<=setpoint-2)
+      {
+        relayctrl(0);
+        shutoff=t;
+      }
+      if (t>=gototime && gotopoint!=setpoint)
+      {
+        if (gotopoint>setpoint)
+          setpoint++;
+        else
+          setpoint--;
+        gototime=t+3600;
+      }
     }
     while (!kbhit());
+    cmd=cgetc();
+    if (cmd>96)
+      cmd=cmd-32;
+    if (cmd=='S')
+    {
+      printf("Set point? ");
+      gotopoint=setpoint=readnum();
+    }
+    if (cmd=='G')
+    {
+      printf("Go-to point? ");
+      gotopoint=readnum();
+      gototime=t+3600;
+    }
   }
-  while (cgetc()!=3);
+  while (cmd!=3);
 
   return 0;
 }
+
+int readYN()
+{
+  unsigned char c;
+
+  cputc('_');
+  do
+  {
+    c=cgetc();
+    if (c>96)
+      c=c-32;
+  }  
+  while (c!='Y' && c!='N');
+  backup();
+  cputc(c);
+  cputc(13);
+  cputc(10);
+  return (c=='Y')?1:0;
+}
+
+int readnum()
+{
+  unsigned char c[8];
+  unsigned char p=0;
+  int r=0;
+  unsigned char i;
+  
+  bzero(c, sizeof(c));
+  do
+  {
+    cputc('_');
+    c[p]=cgetc();
+    backup();
+    if (c[p]==8 || c[p]==127)
+    {
+      if (p>0)
+      {
+        p--;
+        backup();
+      }
+    }
+    else
+    if ((c[p]>='0' && c[p]<='9') || c[p]=='-')
+    {
+      if (p<6)
+        cputc(c[p++]);
+    }
+  }
+  while (c[p]!=13);
+  cputc(13);
+  cputc(10);
+  for (i=0; i<p; i++)
+    if (c[i]!='-')
+      r=(r*10)+(c[i]-48);
+  if (c[0]=='-')
+    r=-r;
+  return r;
+}
+
+void backup()
+{
+  gotox(wherex()-1);
+  cputc(' ');
+  gotox(wherex()-1);
+  return;
+}
+
+void relayctrl(unsigned char on)
+{
+  signed int addr=-16294+(on>0);
+  unsigned char x=PEEK(addr);
+  return;
+}

main.h

@@ -0,0 +1,10 @@
+#ifndef _MAIN_H
+#define _MAIN_H
+
+int main (void);
+int readYN();
+int readnum();
+void backup();
+void relayctrl(unsigned char on);
+
+#endif // _MAIN_H