/*
** Beeper()
*
* FILENAME: beep.c
*
* PARAMETERS: BeepMsg. Holds length of beep, [4:0] and number of
* beeps, [7:5]
*
* DESCRIPTION: When BeepMsg != 0 then it splits the uint8 into the two
* parameters needed and starts the beep sequence.
*
* RETURNS: Nothing.
*
*/
void
BeeperDevice() {
switch (BeepState) {
case BEEP_START :
if (BeepMsg != 0) {
// Set how long beeper is on and off.
BeepTime = (BeepMsg & 0x1F) << 2; // times 4 for 40ms to 1.24 sec.
// Set how many times we beep
BeepRep = (BeepMsg & 0xE0) >> 5;
StartBeep();
StartTimer( BEEP_TIMER, BeepTime );
BeepMsg = 0;
BeepState = BEEP_OFF;
}
break;
case BEEP_OFF :
if (TimerDone( BEEP_TIMER ) ) {
StopBeep();
BeepRep--;
StartTimer( BEEP_TIMER, BeepTime );
BeepState = BEEP_ON;
};
break;
case BEEP_ON:
if (TimerDone( BEEP_TIMER ) ) {
if ( BeepRep != 0 ) {
StartBeep();
StartTimer( BEEP_TIMER, BeepTime );
BeepState = BEEP_OFF;
}
else {
BeepState = BEEP_START; // Beeping is done.
}
}
break;
default:
BeepState = BEEP_START;
break;
}
/*
** InitBeeper()
*
* FILENAME: beep.c
*
* PARAMETERS: None
*
* DESCRIPTION: Turns off Beeper and sets up command variables for Beeper state machine.
*
* RETURNS:
*
*/
void
InitBeepDevice(void) {
StopBeep();
BeepMsg = 0;
BeepState = BEEP_START;
}
void __cdecl mexFunction(int nlhs, mxArray *plhs[], int nrhs, const mxArray *prhs[])
{
double *port, *value;
int mrows, ncols, arg;
/* Check for proper number of arguments. */
if (nrhs != 2) {
mexErrMsgTxt("Two input arguments required.");
}
else if (nlhs > 0) {
mexErrMsgTxt("Too many output arguments.");
}
/* The input must be noncomplex scalar double.*/
for (arg = 0; arg < 2; arg++) {
mrows = mxGetM(prhs[arg]);
ncols = mxGetN(prhs[arg]);
if (!mxIsDouble(prhs[arg]) || mxIsComplex(prhs[arg]) || !(mrows == 1 && ncols == 1)) {
mexErrMsgTxt("Input must be noncomplex scalar double.");
}
}
/* Assign pointers to each input and output. */
port = mxGetData(prhs[0]);
value = mxGetData(prhs[1]);
OpenPortTalk();
outportb(*port, *value);
ClosePortTalk();
/* This is where the new code begins */
//Dynamically load the DLL at runtime (not linked at compile time)
HINSTANCE hInpOutDll;
hInpOutDll = LoadLibrary("InpOutx64.DLL"); //The 32bit DLL. If we are building x64 C++
//applicaiton then use InpOutx64.dll
if (hInpOutDll != NULL)
{
gfpOut32 = (lpOut32)GetProcAddress(hInpOutDll, "Out32");
gfpInp32 = (lpInp32)GetProcAddress(hInpOutDll, "Inp32");
gfpIsInpOutDriverOpen = (lpIsInpOutDriverOpen)GetProcAddress(hInpOutDll, "IsInpOutDriverOpen");
gfpIsXP64Bit = (lpIsXP64Bit)GetProcAddress(hInpOutDll, "IsXP64Bit");
if (gfpIsInpOutDriverOpen())
{
//Make some noise through the PC Speaker - hey it can do more that a single beep using InpOut32
Beep(2000);
Sleep(200);
Beep(1000);
Sleep(300);
Beep(2000);
Sleep(250);
StopBeep();
if (!strcmp(argv[1], "read"))
{
short iPort = atoi(argv[2]);
WORD wData = gfpInp32(iPort); //Read the port
printf("Data read from address %s is %d \n\n\n\n", argv[2], wData);
}
else if (!strcmp(argv[1], "write"))
{
if (argc < 4)
{
printf("Error in arguments supplied");
printf("\n***** Usage *****\n\nInpoutTest read <ADDRESS> \nor \nInpoutTest write <ADDRESS> <DATA>\n\n\n\n\n");
}
else
{
short iPort = atoi(argv[2]);
WORD wData = atoi(argv[3]);
gfpOut32(iPort, wData);
printf("data written to %s\n\n\n", argv[2]);
}
}
}
else
{
printf("Unable to open InpOut32 Driver!\n");
}
//All done
FreeLibrary(hInpOutDll);
return 0;
}
else
{
printf("Unable to load InpOut32 DLL!\n");
return -1;
}
}