rpp/blocks/sfunction_frayreceive.c

   1 /* Copyright (C) 2013 Czech Technical University in Prague
   2  *
   3  * Authors:
   4  *     - Michal Horn <hornimch@fel.cvut.cz>
   5  *
   6  * This document contains proprietary information belonging to Czech
   7  * Technical University in Prague. Passing on and copying of this
   8  * document, and communication of its contents is not permitted
   9  * without prior written authorization.
  10  *
  11  * File : sfunction_frayreceive.c
  12  * Abstract:
  13  *     C-MEX S-function block for RPP FlexRay RX buffer configuration and message receiving.
  14  *
  15  * References:
  16  *     header.c
  17  *     trailer.c
  18  *
  19  * Compile with:
  20  *     <matlabroot>/bin/mex sfunction_frayreceive.c
  21  */
  22
  23
  24 #define S_FUNCTION_NAME sfunction_frayreceive
  25 #include "header.c"
  26 #include <stdio.h>
  27
  28 enum params {
  29         channel_IDX                                             = 0,
  30         cycleCounterFiltering_IDX               = 1,
  31         maxPayload_IDX                                  = 2,
  32         msgBufferInterrupt_IDX                  = 3,
  33         payloadPreambleIndicatorTr_IDX  = 4,
  34         singleTransmit_IDX                              = 5,
  35         slotId_IDX                                              = 6,
  36         PARAM_COUNT
  37 };
  38
  39 enum outputs {
  40         OUTPUT_ERROR_FLAG,
  41         OUTPUT_MESSAGE,
  42         OUTPUT_LENGTH,
  43         OUTPUT_TRIGGER,
  44         OUTPUT_COUNT,
  45 };
  46
  47
  48 static void mdlInitializeSizes(SimStruct *S)
  49 {
  50     if (!rppSetNumParams(S, PARAM_COUNT)) {
  51         return;
  52     }
  53
  54     /*
  55      * Configure input ports: 0
  56      */
  57     if (!ssSetNumInputPorts(S, 0)) {
  58         return;
  59     }
  60
  61
  62     /*
  63      * Configure output ports: 4
  64      *  - Error flag.
  65          *  - Message
  66          *  - Length (number of received bytes)
  67          *  - Trigger
  68      */
  69     if (!ssSetNumOutputPorts(S, OUTPUT_COUNT)) {
  70         return;
  71     }
  72         rppAddOutputPort(S, OUTPUT_ERROR_FLAG, SS_BOOLEAN);
  73         rppAddOutputVectorPort(S, OUTPUT_MESSAGE, SS_UINT8, 2*(int_T)mxGetPr(ssGetSFcnParam(S, 2))[0]);
  74         rppAddOutputPort(S, OUTPUT_LENGTH, SS_UINT8);
  75         rppAddOutputPort(S, OUTPUT_TRIGGER, SS_BOOLEAN);
  76
  77     /* Set standard options for this block */
  78     rppSetStandardOptions(S);
  79 }
  80
  81
  82 #ifdef MATLAB_MEX_FILE
  83 #define MDL_CHECK_PARAMETERS
  84 static void mdlCheckParameters(SimStruct *S)
  85 {
  86
  87 }
  88 #endif
  89
  90
  91 #ifdef MATLAB_MEX_FILE
  92 #define MDL_SET_WORK_WIDTHS
  93 static void mdlSetWorkWidths(SimStruct *S)
  94 {
  95     /* Set number of run-time parameters */
  96     if (!ssSetNumRunTimeParams(S, PARAM_COUNT)) {
  97         return;
  98     }
  99
 100     /* Register the run-time parameter 1 */
 101     ssRegDlgParamAsRunTimeParam(S, channel_IDX, channel_IDX, "channel", SS_UINT8);
 102     ssRegDlgParamAsRunTimeParam(S, cycleCounterFiltering_IDX, cycleCounterFiltering_IDX, "cycleCounterFiltering", SS_UINT8);
 103     ssRegDlgParamAsRunTimeParam(S, maxPayload_IDX, maxPayload_IDX, "maxPayload", SS_UINT8);
 104     ssRegDlgParamAsRunTimeParam(S, msgBufferInterrupt_IDX, msgBufferInterrupt_IDX, "msgBufferInterrupt", SS_BOOLEAN);
 105     ssRegDlgParamAsRunTimeParam(S, payloadPreambleIndicatorTr_IDX, payloadPreambleIndicatorTr_IDX, "payloadPreambleIndicatorTr", SS_BOOLEAN);
 106     ssRegDlgParamAsRunTimeParam(S, singleTransmit_IDX, singleTransmit_IDX, "singleTransmit", SS_BOOLEAN);
 107     ssRegDlgParamAsRunTimeParam(S, slotId_IDX, slotId_IDX, "slotId", SS_UINT32);
 108 }
 109 #endif
 110
 111
 112 #define COMMON_MDLINITIALIZESAMPLETIMES_INHERIT
 113 #define UNUSED_MDLOUTPUTS
 114 #define UNUSED_MDLTERMINATE
 115 #include "trailer.c"