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Send command, receive respose using EPICS string records #135

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14 changes: 14 additions & 0 deletions pmacApp/src/pmacController.cpp
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Original file line number Diff line number Diff line change
Expand Up @@ -403,6 +403,8 @@ void pmacController::createAsynParams(void) {
createParam(PMAC_C_AxisCSString, asynParamInt32, &PMAC_C_AxisCS_);
createParam(PMAC_C_AxisReadonlyString, asynParamInt32, &PMAC_C_AxisReadonly_);
createParam(PMAC_C_WriteCmdString, asynParamOctet, &PMAC_C_WriteCmd_);
createParam(PMAC_C_WriteReadCmdString, asynParamOctet, &PMAC_C_WriteReadCmd_);
createParam(PMAC_C_WriteReadRBVString, asynParamOctet, &PMAC_C_WriteReadRbv_);
createParam(PMAC_C_KillAxisString, asynParamInt32, &PMAC_C_KillAxis_);
createParam(PMAC_C_PLCBits00String, asynParamInt32, &PMAC_C_PLCBits00_);
createParam(PMAC_C_PLCBits01String, asynParamInt32, &PMAC_C_PLCBits01_);
Expand Down Expand Up @@ -2442,6 +2444,18 @@ pmacController::writeOctet(asynUser *pasynUser, const char *value, size_t nChars
status = this->immediateWriteRead(command, response);
}

// Added by AJF
if (function == PMAC_C_WriteReadCmd_) {
// Write the arbitrary string to the PMAC, set the response in the parameter library
strcpy(command, value);
status = this->immediateWriteRead(command, response);
// Strip off the \r
response[strlen(response)-1] = '\0';
// Set the response in the parameter library
status = (asynStatus) setStringParam(addr, PMAC_C_WriteReadRbv_, response);
if (status != asynSuccess) return (status);
}

// Do callbacks so higher layers see any changes
callParamCallbacks(addr, addr);

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4 changes: 4 additions & 0 deletions pmacApp/src/pmacController.h
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Original file line number Diff line number Diff line change
Expand Up @@ -61,6 +61,8 @@
#define PMAC_C_AxisCSString "PMAC_C_AXIS_CS"
#define PMAC_C_AxisReadonlyString "PMAC_C_AXIS_READONLY"
#define PMAC_C_WriteCmdString "PMAC_C_WRITE_CMD"
#define PMAC_C_WriteReadCmdString "PMAC_C_WRITE_READ_CMD"
#define PMAC_C_WriteReadRBVString "PMAC_C_WRITE_READ_RBV"
#define PMAC_C_KillAxisString "PMAC_C_KILL_AXIS"
#define PMAC_C_PLCBits00String "PMAC_C_PLC_BITS00"
#define PMAC_C_PLCBits01String "PMAC_C_PLC_BITS01"
Expand Down Expand Up @@ -395,6 +397,8 @@ class pmacController
int PMAC_C_AxisCS_;
int PMAC_C_AxisReadonly_;
int PMAC_C_WriteCmd_;
int PMAC_C_WriteReadCmd_;
int PMAC_C_WriteReadRbv_;
int PMAC_C_KillAxis_;
int PMAC_C_PLCBits00_;
int PMAC_C_PLCBits01_;
Expand Down