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1085 pj 1
/*
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 *
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 *
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 */
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#include "config.h"
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#include <kernel/func.h>
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#include <kernel/model.h>
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#include <kernel/const.h>
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#include <drivers/glib.h>
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#include <stdlib.h>
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#include <assert.h>
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#include "mutex.h"
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#include "xread.h"
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#define PERIOD  250000
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#define WCET      1000
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#ifdef FULLCOLOR
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#define BARCOLOR rgb16(255,0,0)
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#define BARBG    rgb16(0,0,0)
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#define TEXTCOLOR rgb16(255,255,255)
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#define TEXTBG    rgb16(0,0,0)
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#else
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#define BARCOLOR 128
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#define BARBG      0
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#define TEXTCOLOR 255
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#define TEXTBG      0
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#endif
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//#define XC     700
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//#define YC     400
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#define LEN    100
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#define BORDER   8
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extern void draw_frame(int x, int y, int dx, int dy);
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struct taskinfo{
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  int XC,YC;
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  struct xbuffer *ptr;
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};
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static TASK monitorbuffer(void *arg)
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{
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  struct taskinfo *p=(struct taskinfo *)arg;
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  int XC,YC;
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  int oy,y;
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  struct xbuffer *ptr;
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  int sum,old;
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  ptr=p->ptr;
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  XC=p->XC;
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  YC=p->YC;
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  oy=YC+LEN-1;
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  for (;;) {
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    sum=freespace(ptr);
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#ifndef NOGRX
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    y=YC+LEN*sum/BUFFERMAXSIZE-1;
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    if (y!=oy) {
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      grxlock();
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      if (y<oy) grx_box(XC,y,XC+BORDER-1,oy,BARCOLOR);
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      else grx_box(XC,oy,XC+BORDER-1,y,BARBG);
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      grxunlock();
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      oy=y;
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    }
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#else
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    cprintf("@%i@",sum);
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#endif
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    old=sum;
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    task_endcycle();
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  }
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  return 0;
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}
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int gbuffer_init(struct xbuffer *ptr, int group, int XC, int YC)
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{
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  struct taskinfo *info;
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  SOFT_TASK_MODEL model;
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  PID pid;
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#ifdef ACTIVATE
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  info=(struct taskinfo *)malloc(sizeof(struct taskinfo));
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  if (info==NULL) sys_abort(912);
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  info->XC=XC;
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  info->YC=YC;
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  info->ptr=ptr;
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  soft_task_default_model(model);        
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  soft_task_def_met(model,WCET);
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  soft_task_def_wcet(model,WCET);
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  soft_task_def_period(model,PERIOD);
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  soft_task_def_periodic(model);
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  soft_task_def_group(model,group);
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  soft_task_def_arg(model,(void*)info);
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  /*soft_task_def_group(model,group);*/
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  pid=task_create("bufferload",monitorbuffer,&model,NULL);
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  if (pid==-1) return -6;
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#else
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  pid=-1;
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#endif
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#ifndef NOGRX
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  draw_frame(XC,YC,BORDER,LEN);
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  grxlock();
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  grx_text("Buffer",XC-18,YC+LEN+BORDER*2,TEXTCOLOR,TEXTBG);
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  grx_text("100%",XC+BORDER*2+1,YC-4,TEXTCOLOR,TEXTBG);
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  grx_text(" 75%",XC+BORDER*2+1,YC+LEN/4-4,TEXTCOLOR,TEXTBG);
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  grx_text(" 50%",XC+BORDER*2+1,YC+LEN/4*2-4,TEXTCOLOR,TEXTBG);
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  grx_text(" 25%",XC+BORDER*2+1,YC+LEN/4*3-4,TEXTCOLOR,TEXTBG);
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  grx_text("  0%",XC+BORDER*2+1,YC+LEN-4,TEXTCOLOR,TEXTBG);
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  grxunlock();
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#endif
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  return pid;
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}
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