uint8_t
peek(int reg)
{
HIF deviceHandle;
int status;
char deviceName[32] = "Cr2s2";
uint8_t data;
status = DmgrOpen(&deviceHandle, deviceName);
if (!status) {
printf("Problem opening device, code %d\n", DmgrGetLastError());
return 0;
}
status = DeppEnable(deviceHandle);
if (!status) {
printf("Problem enabling port 0, code %d\n", DmgrGetLastError());
return 0;
}
DeppGetReg(deviceHandle, reg, &data, fFalse);
status = DeppDisable(deviceHandle);
if (!status) {
printf("Problem disabling DEPP, code %d\n", DmgrGetLastError());
return 0;
}
DmgrClose(deviceHandle);
return data;
}
void ErrorExit() {
if (hif != hifInvalid) {
// DEMC API Call: DemcDisable
DemcDisable(hif);
// DMGR API Call: DmgrClose
DmgrClose(hif);
}
exit(1);
}
/*** ErrorExit
**
** Parameters:
** none
**
** Return Value:
** none
**
** Errors:
** none
**
** Description:
** Disables Dstm, closes the device, and exits the program
*/
void ErrorExit() {
if(hif != hifInvalid) {
// DSTM API Call: DstmDisable
DstmDisable(hif);
// DMGR API Call: DmgrClose
DmgrClose(hif);
}
exit(1);
}
/*** DoTerminate
**
** Parameters:
** none
**
** Return Value:
** none
**
** Errors:
** none
**
** Description:
** Successful program cleanup tasks
*/
void DoTerminate() {
// DEMC API Call: DemcDisable
DemcDisable(hif);
// DMGR API Call: DmgrClose
if (!DmgrClose(hif)) {
hif = hifInvalid;
printf("DmgrClose failed\n");
}
return;
}
int main(int cszArg, char * rgszArg[]) {
fprintf(stderr,"Opening\n");
if(!DmgrOpen(&hif, "Basys2")) {
printf("DmgrOpen failed (check the device name you provided)\n");
return 0;
}
fprintf(stderr,"Enabling\n");
if(!DeppEnable(hif)) {
printf("DeppEnable failed\n");
return 0;
}
fprintf(stderr,"Outputting\n");
DoPutRegRepeat();
if( hif != hifInvalid ) {
DeppDisable(hif);
DmgrClose(hif);
}
return 0;
}
/*** main
**
** Parameters:
** none
**
** Return Value:
** none
**
** Errors:
** none
**
** Description:
** DstmDemo main
*/
int main(void) {
int ibTx;
// DMGR API Call: DmgrOpen
if(!DmgrOpen(&hif, szDvc)) {
printf("Error: Could not open device %s\n", szDvc);
ErrorExit();
}
// DSTM API Call: DstmEnable
if(!DstmEnable(hif)) {
printf("Error: DstmEnable failed\n");
ErrorExit();
}
/* Tranfer data into FPGA block ram using Dstm */
// DSTM API Call: DstmIO
if(!DstmIO(hif, rgbOut, cbTx, NULL, 0, fFalse)) {
printf("Error: DstmIO failed\n");
ErrorExit();
}
/* Retrieve data from FPGA block ram using Dstm */
// DSTM API Call: DstmIO
if(!DstmIO(hif, NULL, 0, rgbIn, cbTx, fFalse)) {
printf("Error: DstmIO failed\n");
ErrorExit();
}
// Verify that recieved data matches transmitted data
for(ibTx=0; ibTx<cbTx; ibTx++) {
if(rgbIn[ibTx] != rgbOut[ibTx]) {
fFail = fTrue; // Set fFail if data mismatched
}
}
// Print results of test
if(fFail) {
printf("Error: Recieved data did not match transmitted data\n");
for(ibTx=0; ibTx<cbTx; ibTx++) {
printf("rgbOut[%d]: %d rgbIn[%d]: %d\n", ibTx, rgbOut[ibTx], ibTx, rgbIn[ibTx]);
}
}
else {
printf("Success: Recieved data matched transmitted data\n");
}
// DSTM API Call: DstmDisable
if(!DstmDisable(hif)) {
printf("Error: DstmDisable failed\n");
ErrorExit();
}
// DMGR API Call: DmgrClose
if(!DmgrClose(hif)) {
printf("Error: DmgrClose failed\n");
ErrorExit();
}
return 0;
}
