#define S_FUNCTION_NAME sfReadPWM
#define S_FUNCTION_LEVEL 2
-#define PERIOD_PRM(S) (mxGetScalar(ssGetSFcnParam(S, 0)))
-#define CTRX_MODE 2083 //=100000100011, count up, repeat, outpu low,gate by ctrIn
+#define CTRX_MODE 10275 //=10100000100011, count up, repeat, outpu low,gate by ctrIn, gate high
#define CTR4_MODE 35 //100011, count upm, repeat,output low
#define CTR_START ((1 << 0) | (1 << 6) | (1 << 12) | (1 << 24)) //start counters 0,1,2,4
+#define CTR_STOP ((1 << 1) | (1 << 7) | (1 << 13) | (1 << 25)) //stop counters 0,1,2,4
#define CTRCLOCK 50000000
/*
{
/* See sfuntmpl_doc.c for more details on the macros below */
- ssSetNumSFcnParams(S, 1); /* Number of expected parameters */
+ ssSetNumSFcnParams(S, 0); /* Number of expected parameters */
if (ssGetNumSFcnParams(S) != ssGetSFcnParamsCount(S)) {
/* Return if number of expected != number of actual parameters */
return;
ssSetNumContStates(S, 0);
ssSetNumDiscStates(S, 0);
- if (!ssSetNumInputPorts(S, 1)) return;
- ssSetInputPortWidth(S, 0, 1);
- ssSetInputPortRequiredContiguous(S, 0, true); /*direct input signal access*/
- /*
- * Set direct feedthrough flag (1=yes, 0=no).
- * A port has direct feedthrough if the input is used in either
- * the mdlOutputs or mdlGetTimeOfNextVarHit functions.
- * See matlabroot/simulink/src/sfuntmpl_directfeed.txt.
- */
- ssSetInputPortDirectFeedThrough(S, 0, 1);
+ if (!ssSetNumInputPorts(S, 0)) return;
+
if (!ssSetNumOutputPorts(S, 3)) return;
ssSetOutputPortWidth(S, 0, 1);
*/
static void mdlInitializeSampleTimes(SimStruct *S)
{
- ssSetSampleTime(S, 0, CONTINUOUS_SAMPLE_TIME);
+ ssSetSampleTime(S, 0, 0.00005);
ssSetOffsetTime(S, 0, 0.0);
}
*/
static void mdlStart(SimStruct *S)
{
- if(mfst==NULL){
- #define BUFF_SMALL 32
- mfst = malloc(sizeof(mf624_state_t));
- char buff[BUFF_SMALL];
- memset(buff, '\0', BUFF_SMALL);
- mfst->uio_dev = "uio0";
-
- strncat(buff, "/dev/", 5);
- strncat(buff, mfst->uio_dev, sizeof(buff) - 6);
-
- mfst->device_fd = open_device(buff);
-
- if (mfst->device_fd < 0) {
- ssSetErrorStatus(S,"open failed");
- return;
- }
-
- if (mmap_regions(mfst) < 0) {
- ssSetErrorStatus(S,"mmap_regions failed");
- return;
- }
-
- }
+ if (mf624_init(NULL) != 0)
+ return;
/*Configuration of desired counter modes*/
- mf624_write32(CTRX_MODE,MFST2REG(mfst,4,CTR0MODE));
- mf624_write32(CTRX_MODE,MFST2REG(mfst,4,CTR1MODE));
- mf624_write32(CTRX_MODE,MFST2REG(mfst,4,CTR2MODE));
- mf624_write32(CTR4_MODE,MFST2REG(mfst,4,CTR4MODE));
+ mf624_write32(CTRX_MODE,MFST2REG(mfst,4,CTR0MODE_reg));
+ mf624_write32(CTRX_MODE,MFST2REG(mfst,4,CTR1MODE_reg));
+ mf624_write32(CTRX_MODE,MFST2REG(mfst,4,CTR2MODE_reg));
+ mf624_write32(CTR4_MODE,MFST2REG(mfst,4,CTR4MODE_reg));
/*Set reload values of ctrs 0,1,2,4 to 0 just to be sure*/
- mf624_write32(0,MFST2REG(mfst,4,CTR0));
- mf624_write32(0,MFST2REG(mfst,4,CTR1));
- mf624_write32(0,MFST2REG(mfst,4,CTR2));
- mf624_write32(0,MFST2REG(mfst,4,CTR4));
+ mf624_write32(0,MFST2REG(mfst,4,CTR0_reg));
+ mf624_write32(0,MFST2REG(mfst,4,CTR1_reg));
+ mf624_write32(0,MFST2REG(mfst,4,CTR2_reg));
+ mf624_write32(0,MFST2REG(mfst,4,CTR4_reg));
/*Read values from counters and initialize IWork values with them*/
- ssSetIWorkValue(S,0,(uint)mf624_read32(MFST2REG(mfst,4,CTR0)));
- ssSetIWorkValue(S,1,(uint)mf624_read32(MFST2REG(mfst,4,CTR1)));
- ssSetIWorkValue(S,2,(uint)mf624_read32(MFST2REG(mfst,4,CTR2)));
- ssSetIWorkValue(S,3,(uint)mf624_read32(MFST2REG(mfst,4,CTR4)));
+ ssSetIWorkValue(S,0,(unsigned int)mf624_read32(MFST2REG(mfst,4,CTR0_reg)));
+ ssSetIWorkValue(S,1,(unsigned int)mf624_read32(MFST2REG(mfst,4,CTR1_reg)));
+ ssSetIWorkValue(S,2,(unsigned int)mf624_read32(MFST2REG(mfst,4,CTR2_reg)));
+ ssSetIWorkValue(S,3,(unsigned int)mf624_read32(MFST2REG(mfst,4,CTR4_reg)));
/*Start counters 0,1,2, tehy are gated with their inputs so no worries about premature start*/
- mf624_write32(CTR_START,MFST2REG(mfst,4,CTRXCTRL));
+ mf624_write32(CTR_START,MFST2REG(mfst,4,CTRXCTRL_reg));
}
*/
static void mdlOutputs(SimStruct *S, int_T tid)
{
- const real_T *u = (const real_T*) ssGetInputPortSignal(S,0);
real_T *y0 = ssGetOutputPortSignal(S,0);
real_T *y1 = ssGetOutputPortSignal(S,1);
real_T *y2 = ssGetOutputPortSignal(S,2);
- uint period;
- uint c0,c1,c2,c4;
-
+ unsigned int period;
+ unsigned int c0,c1,c2,c4;
- c0 = mf624_read32(MFST2REG(mfst,4,CTR0));
- c1 = mf624_read32(MFST2REG(mfst,4,CTR1));
- c2 = mf624_read32(MFST2REG(mfst,4,CTR2));
- c4 = mf624_read32(MFST2REG(mfst,4,CTR4));
+ if (mf624_check(S) != 0)
+ return;
+
+ c0 = mf624_read32(MFST2REG(mfst,4,CTR0_reg));
+ c1 = mf624_read32(MFST2REG(mfst,4,CTR1_reg));
+ c2 = mf624_read32(MFST2REG(mfst,4,CTR2_reg));
+ c4 = mf624_read32(MFST2REG(mfst,4,CTR4_reg));
- period = (uint)(c4-(uint)ssGetIWorkValue(S,3));
+ period = (unsigned int)(c4-(unsigned int)ssGetIWorkValue(S,3));
- y0[0] = (c0-(uint)ssGetIWorkValue(S,0))/period;
- y1[0] = (c1-(uint)ssGetIWorkValue(S,1))/period;
- y2[0] = (c2-(uint)ssGetIWorkValue(S,2))/period;
+ y0[0] = (real_T)(c0-(unsigned int)ssGetIWorkValue(S,0))/(real_T)period;
+ y1[0] = (real_T)(c1-(unsigned int)ssGetIWorkValue(S,1))/(real_T)period;
+ y2[0] = (real_T)(c2-(unsigned int)ssGetIWorkValue(S,2))/(real_T)period;
ssSetIWorkValue(S,0,c0);
ssSetIWorkValue(S,1,c1);
*/
static void mdlTerminate(SimStruct *S)
{
- if(mfst!=NULL){
- free(mfst);
- }
+ if (mf624_check(NULL) != 0)
+ return;
+
+ mf624_write32(CTR_STOP,MFST2REG(mfst,4,CTRXCTRL_reg));
+ mf624_done();
}
projects / mf624-simulink.git / blobdiff