Hi,
You seem to have found the wrong "dspace". You're looking for
http://www.dspaceinc.com but you've found http://www.dspace.org.
cheers,
Jim
On Tue, Dec 18, 2007 at 05:48:11AM +0000, xixiu gong wrote:
> hi,all
> We have to use the SPI to transfer datas. and i try to using the following
> s-function to transfer the data through the slaveDSP.
>
> But I can't get any ouput and even the SCLK is keeping high.
>
>
> /*******************************************************************************
> FILE: onetran.c
> DESCRIPTION:
> S-function to transmit one data through the spi mode to extra device with the
> slave application (DS1103 version).
> Copyright (c) 1997-2005 dSPACE GmbH, GERMANY
> *******************************************************************************/
> #define S_FUNCTION_LEVEL 2
> #define S_FUNCTION_NAME onetran
> #include "simstruc.h "
> /* Include basic real-time environment header. */
> /* Include the slave application source code to be found in
> %DSPACE_ROOT%\ds1103\Slvdsp1103.h */
> #ifndef MATLAB_MEX_FILE
> #include <brtenv.h>
> #include <F:\dspace\ds1103\ds1103.h>
> #include <F:\dspace\ds1103\Slvdsp1103.h>
> #endif
>
> /* Function: mdlInitializeSizes =========================== */
> static void mdlInitializeSizes(SimStruct *S)
> {
> /* This S-function has no parameters. */
> ssSetNumSFcnParams(S, 0); /* No. of expected parameters */
> if (ssGetNumSFcnParams(S) != ssGetSFcnParamsCount(S)) return;
>
> /* Set the number of states to zero. */
> ssSetNumContStates(S, 0);
> ssSetNumDiscStates(S, 0);
> /* We have 4 input port with width 1*/
>
> if (!ssSetNumInputPorts(S, 1)) return;
> ssSetInputPortWidth(S, 0, 1);
> ssSetInputPortDataType(S, 0, SS_INT16);
> ssSetInputPortDirectFeedThrough(S, 0, 1);
> /* We have no output ports.*/
>
> if (!ssSetNumOutputPorts(S, 0)) return;
>
> /* This S-function has one sample time. */
> ssSetNumSampleTimes(S, 1);
> /* No work vectors and other special features are used. */
> ssSetNumRWork(S, 0);
> ssSetNumIWork(S, 0);
> ssSetNumPWork(S, 0);
> ssSetNumModes(S, 0);
> ssSetNumNonsampledZCs(S, 0);
> /* No additional options are used. */
> ssSetOptions(S, 0);
> }
>
> /* Function: mdlInitializeSampleTimes ===================== */
> static void mdlInitializeSampleTimes(SimStruct *S)
> {
> /* Use INHERITED_sample time and no offset. */
> ssSetSampleTime(S, 0, INHERITED_SAMPLE_TIME);
> ssSetOffsetTime(S, 0, 0.0);
> }
>
> #define MDL_INITIALIZE_CONDITIONS
> #if defined(MDL_INITIALIZE_CONDITIONS)
> /* Function: mdlInitializeConditions =================================== */
> static void mdlInitializeConditions(SimStruct *S)
> {
> #ifndef MATLAB_MEX_FILE
> {
> ds1103_slave_dsp_communication_init();
> ds1103_slave_dsp_spi_init(0, SLVDSP1103_SPI_MASTER, 115200,
> SLVDSP1103_SPI_CLKPOL_FALL, SLVDSP1103_SPI_CLKPHS_WOD, 8);
> }
> #endif
> }
> #endif
>
> #undef MDL_START /* Change to #undef to remove function */
> #if defined(MDL_START)
> /* Function: mdlStart =================================== */
> static void mdlStart(SimStruct *S)
> {
>
> }
> #endif /* MDL_START */
>
> /* Function: mdlOutputs ==================================*/
> static void mdlOutputs(SimStruct *S, int_T tid)
> {
> InputRealPtrsType u0 = ssGetInputPortRealSignalPtrs(S,0);
>
> #ifndef MATLAB_MEX_FILE
> int16_T idx0 = DSCOMDEF_AUTO_INDEX;
> ds1103_slave_dsp_spi_write_register(0, &idx0);
> ds1103_slave_dsp_spi_write(0,idx0, *u0[0]);
>
>
> #endif
> }
>
> #undef MDL_UPDATE /* Change to #undef to remove function */
> #if defined(MDL_UPDATE)
> /* Function: mdlUpdate
> ======================================================
> * Abstract:
> * This function is called once for every major integration time step.
> * Discrete states are typically updated here, but this function is
> useful
> * for performing any tasks that should only take place once per
> * integration step.
> */
> static void mdlUpdate(SimStruct *S, int_T tid)
> {
> }
>
> #endif /* MDL_UPDATE */
>
>
>
> /* Function: mdlTerminate ==================================*/
> static void mdlTerminate(SimStruct *S)
> {
> }
> #ifdef MATLAB_MEX_FILE /* Compile as a MEX file? */
> #include "simulink.c" /* MEX file interface mechanism */
> #else
> #include "cg_sfun.h" /* Code generation registration fcn */
> #endif
>
>
>
>
>
> Can you tell me what is wrong?
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