display.c

Dialogic数字板卡示例程序

#include <windows.h>
#include <stdio.h>
#include <errno.h>
#include <srllib.h>
#include <dxxxlib.h>

#include "inter.h"

extern FILE *fp;
extern int maxchans;
extern char gRowVal[NUM_ROWS][MAX_STR_LEN];
extern DX_INFO Dxinfo[ MAXCHANS ];

char version[] = "2.00";
char dialogic[] = "Dialogic Win NT D/xxx";
char dialogic2[] = "Multi-Threaded Demonstration Program";   


/***************************************************************************
 *        NAME: disp_init(hwnd )
 *      INPUTS: none
 * DESCRIPTION: Initialize display for this program
 *************************************************************************/
void disp_init
  (HWND hwnd)
{
  RECT rect;
  

  // get the entire window rectangle 
  GetClientRect(hwnd, &rect);
  
   
  // calculate the rectangle coordinates
  rect.bottom=rect.top + 3*ROW_HEIGHT;
 

  strcpy(gRowVal[0], dialogic);
  sprintf(gRowVal[1], "%s", dialogic2);
  strcpy(gRowVal[2], "(c) Dialogic Corporation, 1992-97");
  InvalidateRect(hwnd, &rect, TRUE); // see note at front of "display.h"
  UpdateWindow(hwnd);
}


/***************************************************************************
 *        NAME: disp_status(hwnd, chnum, stringp)
 *      INPUTS: chno - channel number (1 - 12)
 *              stringp - pointer to string to display 
 * DESCRIPTION: display the current activity on the channel in window 2
 *              (the string pointed to by stringp) using chno as a Y offset
 *************************************************************************/
void disp_status
  (HWND hwnd,
	int chnum,
  char *stringp)
{
  RECT rect;
  
  
  // get the entire window rectangle 
  GetClientRect(hwnd, &rect);
  
  
  sprintf(gRowVal[CHAN_BASE_ROW + chnum - 1],
      "Channel %d, Name=%s---> %s", chnum, Dxinfo[ chnum - 1 ].dev_name, stringp);
  
  // calculate the rectangle coordinates
  rect.top=(chnum+ CHAN_BASE_ROW) * ROW_HEIGHT ; 
  rect.bottom=rect.top+ROW_HEIGHT;
 
  InvalidateRect(hwnd, &rect, TRUE); 
  UpdateWindow(hwnd);

}


/***************************************************************************
 *        NAME: disp_msg(hwnd, stringp)
 *      INPUTS: stringp - pointer to string to display.
 * DESCRIPTION: display the string passed, in the primary message area of 
 *              window
 *************************************************************************/
void disp_msg
  (HWND hwnd,
  char *stringp)
{
  RECT rect;

  OutputDebugString( stringp ); OutputDebugString( "\n" );
  //  fputs( stringp, fp ); fputs( "\n", fp );
  // get the entire window rectangle
  GetClientRect(hwnd, &rect);
  

  strcpy(gRowVal[CHAN_BASE_ROW-1], stringp); // last row before channel rows

  // calculate the rectangle coordinates for the text
  rect.top=(CHAN_BASE_ROW) * ROW_HEIGHT ; 
  rect.bottom=rect.top+ROW_HEIGHT;
 
  InvalidateRect(hwnd, &rect, TRUE); 
  UpdateWindow(hwnd);

}


/***************************************************************************
 *        NAME: disp_err(hwnd thr_num, chfd )
 * DESCRIPTION: This routine prints error information.
 *      INPUTS: thr_num - thread number
 *		chfd - device descriptor
 *     OUTPUTS: The error code and error message are displayed
 *    CAUTIONS: none. 
 ************************************************************************/
void disp_err( hwnd, thr_num, chfd )
	 HWND hwnd;
   int thr_num;
   int chfd;
{
	long	lasterr = ATDV_LASTERR( chfd );
	char *dev_name =  ATDV_NAMEP( chfd ) ;

	if ( lasterr == EDX_SYSTEM ) {
		PrintError("Thread %d:  ERROR: errno %d, Device = %s", thr_num, errno, dev_name );
	} else {
		PrintError("Thread %d: ERROR: lasterr 0x0%x, Device = %s", thr_num, lasterr, dev_name );
	}
}

/***************************************************************************
 *        NAME: disp_clear(chnum)
 *      INPUTS: hwnd - main window handle
 * DESCRIPTION: clears the status area of the window
 *************************************************************************/
void disp_clear (HWND hwnd)

{

  RECT rect;
  int i;

  // get the entire window rectangle and save the right coordinate
  GetClientRect(hwnd, &rect);
  
  
   // calculate the rectangle coordinates
  rect.top=(CHAN_BASE_ROW+1) * ROW_HEIGHT ; 
  rect.bottom=rect.top+((maxchans+1)*ROW_HEIGHT);
 
 
  for (i=1; i<=maxchans+1; i++)
	sprintf(gRowVal[CHAN_BASE_ROW  - 1 + i], "");

  InvalidateRect(hwnd, &rect, TRUE); 
  UpdateWindow(hwnd);

}