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asyn 4-23
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00001 /* 00002 * testAsynPortDriver.h 00003 * 00004 * Asyn driver that inherits from the asynPortDriver class to demonstrate its use. 00005 * It simulates a digital scope looking at a 1kHz 1000-point noisy sine wave. Controls are 00006 * provided for time/division, volts/division, volt offset, trigger delay, noise amplitude, update time, 00007 * and run/stop. 00008 * Readbacks are provides for the waveform data, min, max and mean values. 00009 * 00010 * Author: Mark Rivers 00011 * 00012 * Created Feb. 5, 2009 00013 */ 00014 00015 #include "asynPortDriver.h" 00016 00017 #define NUM_VERT_SELECTIONS 4 00018 00019 00020 /* These are the drvInfo strings that are used to identify the parameters. 00021 * They are used by asyn clients, including standard asyn device support */ 00022 #define P_RunString "SCOPE_RUN" /* asynInt32, r/w */ 00023 #define P_MaxPointsString "SCOPE_MAX_POINTS" /* asynInt32, r/o */ 00024 #define P_TimePerDivString "SCOPE_TIME_PER_DIV" /* asynFloat64, r/w */ 00025 #define P_TimePerDivSelectString "SCOPE_TIME_PER_DIV_SELECT" /* asynInt32, r/w */ 00026 #define P_VertGainString "SCOPE_VERT_GAIN" /* asynFloat64, r/w */ 00027 #define P_VertGainSelectString "SCOPE_VERT_GAIN_SELECT" /* asynInt32, r/w */ 00028 #define P_VoltsPerDivString "SCOPE_VOLTS_PER_DIV" /* asynFloat64, r/w */ 00029 #define P_VoltsPerDivSelectString "SCOPE_VOLTS_PER_DIV_SELECT" /* asynInt32, r/w */ 00030 #define P_VoltOffsetString "SCOPE_VOLT_OFFSET" /* asynFloat64, r/w */ 00031 #define P_TriggerDelayString "SCOPE_TRIGGER_DELAY" /* asynFloat64, r/w */ 00032 #define P_NoiseAmplitudeString "SCOPE_NOISE_AMPLITUDE" /* asynFloat64, r/w */ 00033 #define P_UpdateTimeString "SCOPE_UPDATE_TIME" /* asynFloat64, r/w */ 00034 #define P_WaveformString "SCOPE_WAVEFORM" /* asynFloat64Array, r/o */ 00035 #define P_TimeBaseString "SCOPE_TIME_BASE" /* asynFloat64Array, r/o */ 00036 #define P_MinValueString "SCOPE_MIN_VALUE" /* asynFloat64, r/o */ 00037 #define P_MaxValueString "SCOPE_MAX_VALUE" /* asynFloat64, r/o */ 00038 #define P_MeanValueString "SCOPE_MEAN_VALUE" /* asynFloat64, r/o */ 00039 00046 class testAsynPortDriver : public asynPortDriver { 00047 public: 00048 testAsynPortDriver(const char *portName, int maxArraySize); 00049 00050 /* These are the methods that we override from asynPortDriver */ 00051 virtual asynStatus writeInt32(asynUser *pasynUser, epicsInt32 value); 00052 virtual asynStatus writeFloat64(asynUser *pasynUser, epicsFloat64 value); 00053 virtual asynStatus readFloat64Array(asynUser *pasynUser, epicsFloat64 *value, 00054 size_t nElements, size_t *nIn); 00055 virtual asynStatus readEnum(asynUser *pasynUser, char *strings[], int values[], int severities[], 00056 size_t nElements, size_t *nIn); 00057 00058 /* These are the methods that are new to this class */ 00059 void simTask(void); 00060 00061 protected: 00063 int P_Run; 00064 #define FIRST_SCOPE_COMMAND P_Run 00065 int P_MaxPoints; 00066 int P_TimePerDiv; 00067 int P_TimePerDivSelect; 00068 int P_VertGain; 00069 int P_VertGainSelect; 00070 int P_VoltsPerDiv; 00071 int P_VoltsPerDivSelect; 00072 int P_VoltOffset; 00073 int P_TriggerDelay; 00074 int P_NoiseAmplitude; 00075 int P_UpdateTime; 00076 int P_Waveform; 00077 int P_TimeBase; 00078 int P_MinValue; 00079 int P_MaxValue; 00080 int P_MeanValue; 00081 #define LAST_SCOPE_COMMAND P_MeanValue 00082 00083 private: 00084 /* Our data */ 00085 epicsEventId eventId_; 00086 epicsFloat64 *pData_; 00087 epicsFloat64 *pTimeBase_; 00088 // Actual volts per division are these values divided by vertical gain 00089 char *voltsPerDivStrings_[NUM_VERT_SELECTIONS]; 00090 int voltsPerDivValues_[NUM_VERT_SELECTIONS]; 00091 int voltsPerDivSeverities_[NUM_VERT_SELECTIONS]; 00092 void setVertGain(); 00093 void setVoltsPerDiv(); 00094 void setTimePerDiv(); 00095 }; 00096 00097 00098 #define NUM_SCOPE_PARAMS (&LAST_SCOPE_COMMAND - &FIRST_SCOPE_COMMAND + 1) 00099
1.7.4