From 3395431eb40fbf4f521d404ffd9ad170d9f4febb Mon Sep 17 00:00:00 2001
From: MarkRivers <rivers@cars.uchicago.edu>
Date: Thu, 15 Jun 2006 19:30:01 +0000
Subject: [PATCH] New files to additional XPS commands (jerk time)

---
 motorApp/NewportSrc/XPSAsynInterpose.c | 150 +++++++++++++++++++++++++
 motorApp/NewportSrc/XPSAsynInterpose.h |   9 ++
 2 files changed, 159 insertions(+)
 create mode 100644 motorApp/NewportSrc/XPSAsynInterpose.c
 create mode 100644 motorApp/NewportSrc/XPSAsynInterpose.h

diff --git a/motorApp/NewportSrc/XPSAsynInterpose.c b/motorApp/NewportSrc/XPSAsynInterpose.c
new file mode 100644
index 00000000..f536da07
--- /dev/null
+++ b/motorApp/NewportSrc/XPSAsynInterpose.c
@@ -0,0 +1,150 @@
+#include <stdio.h>
+#include <cantProceed.h>
+#include <epicsString.h>
+#include <errlog.h>
+#include <epicsExport.h>
+#include <iocsh.h>
+#include <asynDriver.h>
+#include <asynDrvUser.h>
+#include <XPSAsynInterpose.h>
+
+typedef struct {
+    XPSCommand command;
+    char *commandString;
+} XPSCommandStruct;
+
+static XPSCommandStruct XPSCommands[XPS_NUM_PARAMS] = {
+    {minJerkTime,     "MIN_JERK_TIME"},
+    {maxJerkTime,     "MAX_JERK_TIME"}
+};
+
+typedef struct {
+    char *portName;
+    asynInterface drvUser;
+    asynDrvUser *drvUserPrev;
+    void *drvUserPrevPvt;
+} XPSInterposePvt;
+
+static asynStatus drvUserCreate     (void *drvPvt, asynUser *pasynUser,
+                                     const char *drvInfo,
+                                     const char **pptypeName, size_t *psize);
+static asynStatus drvUserGetType    (void *drvPvt, asynUser *pasynUser,
+                                     const char **pptypeName, size_t *psize);
+static asynStatus drvUserDestroy    (void *drvPvt, asynUser *pasynUser);
+
+
+
+static asynDrvUser XPSDrvUser = {
+    drvUserCreate,
+    drvUserGetType,
+    drvUserDestroy
+};
+
+int XPSInterpose(const char *portName)
+{
+    XPSInterposePvt *pPvt;
+    asynInterface *drvUserPrev;
+    asynStatus status;
+
+    pPvt = callocMustSucceed(1, sizeof(*pPvt), "XPSInterpose");
+    pPvt->portName = epicsStrDup(portName);
+
+    pPvt->drvUser.interfaceType = asynDrvUserType;
+    pPvt->drvUser.pinterface  = (void *)&XPSDrvUser;
+    pPvt->drvUser.drvPvt = pPvt;
+
+    status = pasynManager->interposeInterface(portName, -1, &pPvt->drvUser, &drvUserPrev);
+    if (status != asynSuccess) {
+        errlogPrintf("XPSInterpose ERROR: calling interpose interface.\n");
+        return -1;
+    }
+    pPvt->drvUserPrev = drvUserPrev->pinterface;
+    pPvt->drvUserPrevPvt = drvUserPrev->drvPvt;
+    return(asynSuccess);
+}
+
+
+/* asynDrvUser routines */
+static asynStatus drvUserCreate(void *drvPvt, asynUser *pasynUser,
+                                const char *drvInfo,
+                                const char **pptypeName, size_t *psize)
+{
+    XPSInterposePvt *pPvt = (XPSInterposePvt *) drvPvt;
+    int i;
+    char *pstring;
+    int ncommands = sizeof(XPSCommands)/sizeof(XPSCommands[0]);
+
+    asynPrint(pasynUser, ASYN_TRACE_FLOW,
+              "XPSInterpose::drvUserCreate, drvInfo=%s, pptypeName=%p, psize=%p, pasynUser=%p\n", 
+               drvInfo, pptypeName, psize, pasynUser);
+
+    for (i=0; i < ncommands; i++) {
+        pstring = XPSCommands[i].commandString;
+        if (epicsStrCaseCmp(drvInfo, pstring) == 0) {
+            break;
+        }
+    }
+    if (i < ncommands) {
+        pasynUser->reason = XPSCommands[i].command;
+        if (pptypeName) {
+            *pptypeName = epicsStrDup(pstring);
+        }
+        if (psize) {
+            *psize = sizeof(XPSCommands[i].command);
+        }
+        asynPrint(pasynUser, ASYN_TRACE_FLOW,
+                  "XPSInterpose::drvUserCreate, command=%s\n", pstring);
+        return(asynSuccess);
+    } else {
+        /* This command is not recognized, call the previous driver's routine */
+        return(pPvt->drvUserPrev->create(pPvt->drvUserPrevPvt, pasynUser, drvInfo, pptypeName, psize));
+    }
+}
+
+static asynStatus drvUserGetType(void *drvPvt, asynUser *pasynUser,
+                                 const char **pptypeName, size_t *psize)
+{
+    XPSInterposePvt *pPvt = (XPSInterposePvt *) drvPvt;
+    XPSCommand command = pasynUser->reason;
+
+    asynPrint(pasynUser, ASYN_TRACE_FLOW,
+              "XPSInterpose::drvUserGetType entered");
+
+    if ((command >= minJerkTime) &&
+        (command <= maxJerkTime)) { 
+        *pptypeName = NULL;
+        *psize = 0;
+        if (pptypeName)
+            *pptypeName = epicsStrDup(XPSCommands[command].commandString);
+        if (psize) *psize = sizeof(command);
+        return(asynSuccess);
+    } else {
+        return(pPvt->drvUserPrev->getType(pPvt->drvUserPrevPvt, pasynUser,
+                                                 pptypeName, psize));
+    }
+}
+
+static asynStatus drvUserDestroy(void *drvPvt, asynUser *pasynUser)
+{
+    XPSInterposePvt *pPvt = (XPSInterposePvt *) drvPvt;
+
+    return(pPvt->drvUserPrev->destroy(pPvt->drvUserPrevPvt, pasynUser));
+}
+
+static const iocshArg XPSInterposeArg0 = {"Port Name", iocshArgString};
+static const iocshArg * const XPSInterposeArgs[1] = {&XPSInterposeArg0};
+ 
+static const iocshFuncDef XPSInterposeDef = {"XPSInterpose", 1, XPSInterposeArgs};
+
+static void XPSInterposeCallFunc(const iocshArgBuf *args)
+{
+    XPSInterpose(args[0].sval);
+}
+
+
+static void XPSInterposeRegister(void)
+{
+    iocshRegister(&XPSInterposeDef,  XPSInterposeCallFunc);
+}
+
+epicsExportRegistrar(XPSInterposeRegister);
diff --git a/motorApp/NewportSrc/XPSAsynInterpose.h b/motorApp/NewportSrc/XPSAsynInterpose.h
new file mode 100644
index 00000000..ee1e2492
--- /dev/null
+++ b/motorApp/NewportSrc/XPSAsynInterpose.h
@@ -0,0 +1,9 @@
+#include "motor_interface.h"
+
+typedef enum {
+    minJerkTime = MOTOR_AXIS_NUM_PARAMS,
+    maxJerkTime
+} XPSCommand;
+
+#define XPS_NUM_PARAMS 2
+