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//////////////////////////////////////////////////////////////////
// File - pci_diag.c
//
// This is a diagnostics application for accessing the PCI card.
// Code was generated by WinDriver Wizard.
// It accesses the hardware via WinDriver functions.
//
//////////////////////////////////////////////////////////////////
#include "pci_lib.h"
#include "../shared/pci_diag_lib.h"
#include <stdio.h>
// input of command from user
static char line[256];
char *PCI_GetAddrSpaceName(PCI_ADDR addrSpace)
{
return
addrSpace==PCI_AD_BAR0 ? "Addr Space BAR0" :
addrSpace==PCI_AD_BAR1 ? "Addr Space BAR1" :
addrSpace==PCI_AD_BAR2 ? "Addr Space BAR2" :
addrSpace==PCI_AD_BAR3 ? "Addr Space BAR3" :
addrSpace==PCI_AD_BAR4 ? "Addr Space BAR4" :
addrSpace==PCI_AD_BAR5 ? "Addr Space BAR5" :
addrSpace==PCI_AD_EPROM ? "EEPROM Addr Space" :
"Invalid";
}
void PCI_AccessRanges(PCI_HANDLE hPCI)
{
int cmd, cmd2, i;
DWORD addr, data;
PCI_ADDR ad_sp = 0;
PCI_MODE ad_mode = PCI_MODE_DWORD;
for (; ad_sp<PCI_ITEMS && !PCI_IsAddrSpaceActive(hPCI, ad_sp); ad_sp++)
if (ad_sp==PCI_ITEMS)
{
printf ("No active memory or IO ranges on board!\n");
return;
}
do
{
printf ("Access the board's memory and IO ranges\n");
printf ("---------------------------------------\n");
printf ("1. Change active memory space: %s\n",PCI_GetAddrSpaceName(ad_sp));
printf ("2. Toggle active mode: %s\n",
ad_mode==PCI_MODE_BYTE ? "BYTE (8 bit)" :
ad_mode==PCI_MODE_WORD ? "WORD (16 bit)" : "DWORD (32 bit)");
printf ("3. Read from board\n");
printf ("4. Write to board\n");
printf ("99. Back to main menu\n");
printf ("\n");
printf ("Enter option: ");
cmd = 0;
gets(line);
sscanf(line, "%d",&cmd);
switch (cmd)
{
case 1:
printf ("Choose memory or IO space:\n");
printf ("--------------------------\n");
for (i=0; i<PCI_ITEMS; i++)
{
printf ("%d. %s\n", i+1, PCI_GetAddrSpaceName(i));
if (!PCI_IsAddrSpaceActive(hPCI, i))
printf (" - space not active\n");
}
printf ("Enter option: ");
cmd2 = 99;
gets(line);
sscanf(line, "%d",&cmd2);
if (cmd2>=1 && cmd2<PCI_ITEMS+1)
{
ad_sp = cmd2-1;
if (!PCI_IsAddrSpaceActive(hPCI, ad_sp))
printf ("Chosen space not active!\n");
}
break;
case 2:
ad_mode = (ad_mode + 1) % 3;
break;
case 3:
printf ("Enter offset to read from: ");
gets(line);
sscanf (line, "%x", &addr);
switch (ad_mode)
{
case PCI_MODE_BYTE:
data = PCI_ReadByte(hPCI, ad_sp, addr);
break;
case PCI_MODE_WORD:
data = PCI_ReadWord(hPCI, ad_sp, addr);
break;
case PCI_MODE_DWORD:
data = PCI_ReadDword(hPCI, ad_sp, addr);
break;
}
printf ("Value read: %x\n", data);
break;
case 4:
printf ("Enter offset to write to: ");
gets(line);
sscanf (line,"%x", &addr);
printf ("Enter data to write %s: ",
ad_mode==PCI_MODE_BYTE ? "BYTE (8 bit)" :
ad_mode==PCI_MODE_WORD ? "WORD (16 bit)" : "DWORD (32 bit)");
gets(line);
sscanf (line, "%x",&data);
switch (ad_mode)
{
case PCI_MODE_BYTE:
PCI_WriteByte(hPCI, ad_sp, addr, (BYTE) data);
break;
case PCI_MODE_WORD:
PCI_WriteWord(hPCI, ad_sp, addr, (WORD) data);
break;
case PCI_MODE_DWORD:
PCI_WriteDword(hPCI, ad_sp, addr, data);
break;
}
break;
}
} while (cmd!=99);
}
void WINAPI PCI_IntHandlerRoutine(PCI_HANDLE hPCI, PCI_INT_RESULT *intResult)
{
printf ("Got Int number %d\n", intResult->dwCounter);
}
void PCI_EnableDisableInterrupts(PCI_HANDLE hPCI)
{
int cmd;
printf ("WARNING!!!\n");
printf ("----------\n");
printf ("Your hardware has level sensitive interrupts.\n");
printf ("You must modify the source code of PCI_IntEnable(), in the file pci_lib.c,\n");
printf ("to acknowledge the interrupt before enabling interrupts.\n");
printf ("Without this modification, your PC will HANG upon interrupt!\n");
printf ("\n");
do
{
printf ("Enable / Disable interrupts\n");
printf ("---------------------------\n");
printf ("1. %s Int\n", PCI_IntIsEnabled(hPCI) ? "Disable" : "Enable");
printf ("99. Back to main menu\n");
printf ("\n");
printf ("Enter option: ");
cmd = 0;
gets(line);
sscanf(line, "%d",&cmd);
switch (cmd)
{
case 1:
if (PCI_IntIsEnabled(hPCI))
{
printf ("Disabling interrupt Int\n");
PCI_IntDisable(hPCI);
}
else
{
printf ("Enabling interrupt Int\n");
if (!PCI_IntEnable(hPCI, PCI_IntHandlerRoutine))
printf ("failed enabling interrupt Int\n");
}
break;
}
} while (cmd!=99);
}
PCI_HANDLE PCI_LocateAndOpenBoard(DWORD dwVendorID, DWORD dwDeviceID, BOOL fUseInt)
{
DWORD cards, my_card;
PCI_HANDLE hPCI = NULL;
if (dwVendorID==0)
{
printf ("Enter VendorID: ");
gets(line);
sscanf (line, "%x",&dwVendorID);
if (dwVendorID==0) return NULL;
printf ("Enter DeviceID: ");
gets(line);
sscanf (line, "%x",&dwDeviceID);
}
cards = PCI_CountCards (dwVendorID, dwDeviceID);
if (cards==0)
{
printf("%s", PCI_ErrorString);
return NULL;
}
else if (cards==1) my_card = 1;
else
{
DWORD i;
printf("Found %d matching PCI cards\n", cards);
printf("Select card (1-%d): ", cards);
i = 0;
gets(line);
sscanf (line, "%d",&i);
if (i>=1 && i <=cards) my_card = i;
else
{
printf ("Choice out of range\n");
return NULL;
}
}
if (PCI_Open (&hPCI, dwVendorID, dwDeviceID, my_card - 1, fUseInt ? PCI_OPEN_USE_INT : 0 ))
printf ("PCI PCI card found!\n");
else printf ("%s", PCI_ErrorString);
return hPCI;
}
int main(int argc, char *argv[])
{
int cmd;
PCI_HANDLE hPCI = NULL;
HANDLE hWD;
BOOL fUseInt = FALSE; // by default - do not install interrupts
printf ("PCI diagnostic utility.\n");
printf ("Application accesses hardware using WinDriver.\n");
// make sure WinDriver is loaded
if (!PCI_Get_WD_handle(&hWD)) return 0;
if (PCI_DEFAULT_VENDOR_ID)
hPCI = PCI_LocateAndOpenBoard(PCI_DEFAULT_VENDOR_ID, PCI_DEFAULT_DEVICE_ID, fUseInt);
do
{
printf ("\n");
printf ("PCI main menu\n");
printf ("-------------------\n");
printf ("1. Scan PCI bus\n");
printf ("2. Set opening board %s interrupts\n", fUseInt ? "without" : "with");
printf ("3. Locate/Choose PCI board (%s interrupts)\n", fUseInt ? "with" : "without");
if (hPCI)
{
printf ("4. PCI configuration registers\n");
printf ("6. Access PCI memory and IO ranges\n");
if (hPCI->fUseInt)
printf ("7. Enable / Disable interrupts\n");
}
printf ("99. Exit\n");
printf ("Enter option: ");
cmd = 0;
gets(line);
sscanf(line, "%d",&cmd);
switch (cmd)
{
case 1: // Scan PCI bus
PCI_Print_all_cards_info();
break;
case 2: // Set opening board with / without interrupts
fUseInt = !fUseInt;
break;
case 3: // Locate PCI board
if (hPCI) PCI_Close(hPCI);
hPCI = PCI_LocateAndOpenBoard(0, 0, fUseInt);
if (!hPCI) printf ("PCI card open failed!\n");
break;
case 4: // PCI configuration registers
if (hPCI) PCI_EditConfigReg(hPCI->pciSlot);
break;
case 6: // Access PCI memory and IO ranges
if (hPCI) PCI_AccessRanges(hPCI);
break;
case 7: // Enable / Disable interrupts
if (hPCI && hPCI->fUseInt)
PCI_EnableDisableInterrupts(hPCI);
break;
}
} while (cmd!=99);
if (hPCI) PCI_Close(hPCI);
WD_Close (hWD);
return 0;
}