/* ----------------------------------------------------------- */
/* demo 4 : test RS-232 port (single VXC-182I + PC-COM1)       */
/* step 1 : RS-232 port of vxc182I connect to COM1 of PC       */
/* step 2 : run DEMO4.EXE				       */
/* NOTE   : using polling  (TxD==>RxD)			       */
/* ----------------------------------------------------------- */

#include "..\PIO.H"
#include "..\VxCard.h"

#define COM1	  0x3f8
#define COM2	  0x2f8
#define COM3	  0x3e8
#define COM4	  0x2e8

WORD wBase,wIrq,wBase0,wBase1;
WORD wT=32000;

int main()
{
    int   t,tt,i,j,ii,jj,k;
    char  c, bSpeedMode;
    char  cCmd[50];
    int   iRet,iComPort;
    DWORD dd;
	WORD  wSubVendor,wSubDevice,wSubAux,wSlotBus,wSlotDevice;
	WORD  wBoards,wRetVal,t1,t2,t3,t4,t5,t0,tt0,tt1,wA0,wA1;

	clrscr();
	/* step 1: find address-mapping of PIO/PISO cards		  */
	wRetVal=PIO_DriverInit(&wBoards,0x161,0x01,0x00);  /* for VXC-182I */
	printf("\nThrer are %d VXC-182I Cards in this PC; Ret=%d",wBoards, wRetVal);
    if (wBoards==0) return 1;

    printf("\n--------------- The Configuration Space ---------------");
    for(i=0; i<wBoards; i++)
    {
        PIO_GetConfigAddressSpace(i,&wBase,&wIrq,&wSubVendor,&wSubDevice,
					&wSubAux,&wSlotBus,&wSlotDevice);
        printf("\nCard_%d: wBase=%x,wIrq=%x,subID=[%x,%x],SlotID=[%x,%x]",i,wBase,wIrq,wSubVendor,wSubDevice,wSlotBus,wSlotDevice);
        printf(" --> ");
        ShowPioPiso(wSubVendor,wSubDevice,wSubAux);
    }

    PIO_GetConfigAddressSpace(0,&wBase0,&wIrq,&t1,&t2,&t3,&t4,&t5);

    /* step 2: enable all D/I/O port				   */
    outportb(wBase0,1);				   /* enable D/I/O */
    Vxc_SetConfig(wBase0, VXC_182i_CONFIG); /* for VXC-142/142i/182i */
    Vxc_SetSpeedMode(wBase0,1,VXC_LOW_SPEED);		   /* low speed    */

	/* step 3: select RS-485 or RS-232 port 			   */
    wA0=wBase0 + VXC_PORT2;

    iRet=Vxc_OpenCom(wA0, 115200L, "8N1");   /* RS-232 of VXC-182I=115200	   */
    if (iRet==0) printf("\n\n(1) Open card_0 OK");
    else         printf("\niRET=%d",iRet);

	iRet=Vxc_OpenCom(COM1, 115200L, "8N1");   /* RS_232 of PC-COM1=115200	   */
    if (iRet==0) printf("\n\n(1) Open PC COM OK");
    else         printf("\niRET=%d",iRet);

    i=0x55; j=0xaa;
    for (;;)
    {
        t0=0; t1=0; tt0=0; tt1=0;
        for (;;)
	   {
			if ( t0<32 ) {
				if ( 0 == Vxc_SendChar(COM1, i, 2) ) /* PC-send=polling */
					t0++;
			}

			if ( t1<32 ) {
				if ( 0 == Vxc_SendChar(wA0, j, 2) ) /* vxc-182-send=polling */
					t1++;
			}

			if ( 0 == Vxc_ReceiveChar(wA0, &k, 2) ){ /* vxc-182-receive=polling */
				if (k!=i) {
					printf("[Err0, %2x, %2x]", k, i);
					return 0;
				}
				printf("[tt1=%d]",tt1);
				tt1++;
			}
			if ( 0 == Vxc_ReceiveChar(COM1, &k, 2) ){ /* pc-receive=polling */
				if (k!=j) {
					printf("[Err1, %2x, %2x]", k, j);
					return 0;
				}
				printf("[tt0=%d]",tt0);
				tt0++;
			}
			if ((tt0>=32) && (tt1>=32))
				break;
        }
        i++; i=i&0xff;
        j++; j=j&0xff;
        if (kbhit()!=0) {getch(); break;}
        printf("\n[%2x, %2x]",i,j);
    }

    PIO_DriverClose();
	return 0;
}