SIGNALCORE SC5305A, Руководство по эксплуатации и программированию, Страница: 45 / 67

SC5305A Operating & Programming Manual Rev 2.1.0 42
Example: Allocating memory for the input and output parameters in C, and calling the function.
Similarly, allocated memory must be de-allocated when no longer used or when the
program quits.
//Declaring
calibrationData_t* calData;
deviceAttribute_t* devAttr;
unsigned char *rawCal;
//allocate memory for raw calibration
rawCal = ( unsigned char *)malloc( sizeof ( char )*CALEEPROMSIZE);
// Allocate memory; the user may use malloc() instead of calloc()
devAttr->calDate = ( unsigned int *)calloc(4, sizeof ( unsigned int ));
devAttr->manDate = ( unsigned int *)calloc(4, sizeof ( unsigned int ));
calData->rfCal = (
float **)calloc(RFCALPARAM, sizeof ( float *));
for (i = 0;i<RFCALPARAM;i++)
calData->rfCal[i] = ( float *)calloc(RFCALFREQ, sizeof ( float ));
calData->ifAttenCal = ( float **)calloc(IFATTENUATOR, sizeof ( float *));
for (i = 0;i<IFATTENUATOR;i++)
calData->ifAttenCal[i] = ( float *)calloc(IFATTENCALVALUE, sizeof ( float ));
calData->ifFil0ResponseCal = ( float **)calloc(IFRESPONSEPARAM, sizeof ( float *));
for (i = 0;i<IFRESPONSEPARAM;i++)
calData->ifFil0ResponseCal[i] = ( float *)calloc(IFRESPONSEFREQ, sizeof ( float ));
calData->ifFil1ResponseCal = ( float **)calloc(IFRESPONSEPARAM, sizeof ( float *));
for (i = 0;i<IFRESPONSEPARAM;i++)
calData->ifFil1ResponseCal[i] = ( float *)calloc(IFRESPONSEFREQ, sizeof ( float ));
calData->tempCoeff = ( float **)calloc(TEMPCOPARAM, sizeof ( float *));
for (i = 0;i<TEMPCOPARAM;i++)
calData->tempCoeff[i] = ( float *)calloc(TEMPCOFREQ, sizeof ( float ));
//read in raw calibration
int status = sc5305a_GetRawCal(deviceHandle, rawCal);
//Calling the function to structure the calibration data
status = sc5305a_convertRawCalData(rawCal, devAttr, calData);
//alternatively instead of calling the above 2 functions
status = sc5305a_GetCalData(deviceHandle, devAttr, calData);