Jordan Hanson / Mbed 2 deprecated AutonomousDAQ

Arianna autonomous DAQ firmware

Dependencies:   mbed SDFileSystemFilinfo AriSnProtocol NetServicesMin AriSnComm MODSERIAL PowerControlClkPatch DS1820OW

SnEventFrame.h@3:24c5f0f50bf1, 2012-07-31 (annotated)

Committer:
uci1
Date:
Tue Jul 31 04:59:16 2012 +0000
Revision:
3:24c5f0f50bf1
Parent:
1:e392595b4b76
Child:
8:95a325df1f6b
Test bench version. Communications not completed. Debugging output present. But will read the local config file and save events that can be used for testing.

Who changed what in which revision?

UserRevisionLine numberNew contents of line
uci1 0:664899e0b988 1 #ifndef SN_SnEventFrame
uci1 0:664899e0b988 2 #define SN_SnEventFrame
uci1 0:664899e0b988 3
uci1 0:664899e0b988 4 #include <stdint.h>
uci1 0:664899e0b988 5 #include "SnConstants.h"
uci1 0:664899e0b988 6
uci1 0:664899e0b988 7 class SnEventFrame {
uci1 0:664899e0b988 8
uci1 0:664899e0b988 9 public:
uci1 0:664899e0b988 10 // i/o version
uci1 1:e392595b4b76 11 static const uint8_t kIOVers; // MUST BE INCREASED if any member var changes (==> also if kNchans, etc. change!)
uci1 0:664899e0b988 12 static const uint32_t kMaxSizeOf =
uci1 0:664899e0b988 13 ((sizeof(uint32_t)*4u)+sizeof(int32_t)+sizeof(uint16_t)
uci1 0:664899e0b988 14 +(kTotSamps*sizeof(uint16_t))+1u);
uci1 0:664899e0b988 15
uci1 0:664899e0b988 16 private:
uci1 0:664899e0b988 17 // !!
uci1 0:664899e0b988 18 // !! If any member variables change, update: SizeOf function and kIOVers value! (also if kNchans, etc. change!)
uci1 0:664899e0b988 19 // !!
uci1 0:664899e0b988 20
uci1 0:664899e0b988 21 uint16_t fData[kTotSamps]; // the (uncompressed) waveform data
uci1 0:664899e0b988 22 uint32_t fMbedTime; // mbed time in seconds since epoch
uci1 0:664899e0b988 23 // TODO: time since last event?
uci1 0:664899e0b988 24 uint32_t fEvtNum; // written event number ...
uci1 0:664899e0b988 25 int32_t fDTms; // time since last written event (ms)
uci1 0:664899e0b988 26 uint32_t fTrgNum; // this event is trigger number ...
uci1 0:664899e0b988 27 uint16_t fTrgBits; // trigger bit word
uci1 0:664899e0b988 28 mutable uint32_t fCRC; // CRC on the uncompressed waveform data
uci1 0:664899e0b988 29 // TODO: check if other parameters should be added:
uci1 0:664899e0b988 30 // - stop position?
uci1 0:664899e0b988 31 // - card(s) producing trigger?
uci1 0:664899e0b988 32 // - power & voltage during acquisition?
uci1 0:664899e0b988 33
uci1 0:664899e0b988 34 void CalcCRC();
uci1 0:664899e0b988 35
uci1 0:664899e0b988 36 static
uci1 0:664899e0b988 37 bool ReadFromFileToBuf(FILE* f,
uci1 0:664899e0b988 38 char* const evtBuf,
uci1 0:664899e0b988 39 const uint8_t loseLSB, const uint8_t loseMSB);
uci1 0:664899e0b988 40
uci1 0:664899e0b988 41 static
uci1 0:664899e0b988 42 bool WriteToFileFromBuf(FILE* f, char* const evtBuf,
uci1 0:664899e0b988 43 const uint8_t loseLSB, const uint8_t loseMSB);
uci1 0:664899e0b988 44
uci1 0:664899e0b988 45 public:
uci1 0:664899e0b988 46 SnEventFrame() { ClearEvent(); }
uci1 0:664899e0b988 47 virtual ~SnEventFrame() {}
uci1 0:664899e0b988 48
uci1 0:664899e0b988 49 const uint16_t* GetData() const { return fData; }
uci1 0:664899e0b988 50 uint16_t* GetData() { return fData; }
uci1 0:664899e0b988 51 const uint16_t* GetData(const uint8_t ch) const { return fData + (ch*kNsamps); }
uci1 0:664899e0b988 52 uint16_t* GetData(const uint8_t ch) { return fData + (ch*kNsamps); }
uci1 0:664899e0b988 53 uint16_t GetData(const uint8_t ch, const uint8_t sm) const
uci1 0:664899e0b988 54 { return fData[(ch*kNsamps)+sm]; }
uci1 0:664899e0b988 55 uint16_t& GetData(const uint8_t ch, const uint8_t sm)
uci1 0:664899e0b988 56 { return fData[(ch*kNsamps)+sm]; }
uci1 0:664899e0b988 57
uci1 0:664899e0b988 58 void ClearEvent() {
uci1 0:664899e0b988 59 fMbedTime = fEvtNum = fTrgNum = 0;
uci1 0:664899e0b988 60 fTrgBits = 0;
uci1 0:664899e0b988 61 memset(fData, 0, kTotSamps*sizeof(int16_t));
uci1 0:664899e0b988 62 fCRC = 0;
uci1 0:664899e0b988 63 }
uci1 0:664899e0b988 64
uci1 0:664899e0b988 65 void SetTrgBit(const ESnTrgTypes t) { fTrgBits |= kTrgBW[t]; }
uci1 0:664899e0b988 66 void SetTrgNum(const uint32_t t) { fTrgNum = t; }
uci1 0:664899e0b988 67 void SetEvtNum(const uint32_t n) { fEvtNum = n; }
uci1 0:664899e0b988 68 void SetDTms(const int32_t dtms) { fDTms = dtms; }
uci1 0:664899e0b988 69 void SetCurMbedTime() { fMbedTime = time(0); }
uci1 0:664899e0b988 70
uci1 0:664899e0b988 71 bool IsForcedTrg() const { return (fTrgBits & kTrgBW[kFrcTrg])!=0; }
uci1 0:664899e0b988 72
uci1 0:664899e0b988 73 void ReadWaveforms(SPI& spi,
uci1 0:664899e0b988 74 DigitalOut& cardHiBit, DigitalOut& cardLoBit) {
uci1 0:664899e0b988 75 uint16_t* dev=fData;
uci1 0:664899e0b988 76 for( uint8_t ch = 0; ch < kNchans; ch++ ) {
uci1 0:664899e0b988 77 // Pick which register to read.
uci1 0:664899e0b988 78 SnBitUtils::SetChanNumBits(ch, cardHiBit, cardLoBit);
uci1 0:664899e0b988 79 for( uint8_t i = 0; i < kNsamps; i++, dev++ ) {
uci1 0:664899e0b988 80 *dev = spi.write(0x00) >> 1;
uci1 0:664899e0b988 81 //fprintf(stderr,"ch%hhd, s%03hhd = %hd\r\n",ch,i,*dev);
uci1 0:664899e0b988 82 }
uci1 0:664899e0b988 83 }
uci1 0:664899e0b988 84 CalcCRC();
uci1 0:664899e0b988 85 }
uci1 0:664899e0b988 86
uci1 0:664899e0b988 87 static
uci1 0:664899e0b988 88 uint32_t SizeOf(const uint8_t loseLSB, const uint8_t loseMSB) {
uci1 0:664899e0b988 89 // size of member vars + size of packed waveform + 1 for i/o version
uci1 0:664899e0b988 90 if ((loseLSB==0) && (loseMSB==0)) {
uci1 0:664899e0b988 91 return kMaxSizeOf;
uci1 0:664899e0b988 92 } else {
uci1 0:664899e0b988 93 return (kMaxSizeOf-(kTotSamps*sizeof(uint16_t))
uci1 0:664899e0b988 94 +SizeOfPackedWavef(loseLSB, loseMSB));
uci1 0:664899e0b988 95 }
uci1 0:664899e0b988 96 }
uci1 0:664899e0b988 97
uci1 0:664899e0b988 98 static
uci1 0:664899e0b988 99 uint32_t SizeOfPackedWavef(const uint8_t loseLSB,
uci1 0:664899e0b988 100 const uint8_t loseMSB) {
uci1 0:664899e0b988 101 const uint8_t p = BITS_IN_SHORT-loseLSB-loseMSB;
uci1 0:664899e0b988 102 return ((p*kTotSamps)/8u) + (((p*kTotSamps)%8u)!=0 ? 1u : 0u);
uci1 0:664899e0b988 103 }
uci1 0:664899e0b988 104
uci1 3:24c5f0f50bf1 105 const char* ReadFrom(const char* const buf,
uci1 3:24c5f0f50bf1 106 const uint8_t loseLSB, const uint8_t loseMSB,
uci1 3:24c5f0f50bf1 107 const uint16_t wvBaseline);
uci1 0:664899e0b988 108
uci1 3:24c5f0f50bf1 109 char* WriteTo(char* const buf,
uci1 3:24c5f0f50bf1 110 const uint8_t loseLSB, const uint8_t loseMSB,
uci1 3:24c5f0f50bf1 111 const uint16_t wvBaseline) const;
uci1 0:664899e0b988 112
uci1 0:664899e0b988 113 bool ReadFrom(FILE* f, char* const evtBuf,
uci1 0:664899e0b988 114 const uint8_t loseLSB, const uint8_t loseMSB,
uci1 0:664899e0b988 115 const uint16_t wvBaseline);
uci1 0:664899e0b988 116 bool WriteTo(FILE* f, char* const evtBuf,
uci1 0:664899e0b988 117 const uint8_t loseLSB, const uint8_t loseMSB,
uci1 0:664899e0b988 118 const uint16_t wvBaseline) const;
uci1 0:664899e0b988 119
uci1 0:664899e0b988 120 static
uci1 0:664899e0b988 121 const uint8_t* UnpackWavef(const uint8_t* const buf,
uci1 0:664899e0b988 122 uint16_t* const data,
uci1 0:664899e0b988 123 const uint8_t loseLSB,
uci1 0:664899e0b988 124 const uint8_t loseMSB,
uci1 0:664899e0b988 125 const uint16_t wvBaseline);
uci1 0:664899e0b988 126
uci1 0:664899e0b988 127 static
uci1 0:664899e0b988 128 uint8_t* PackWavef(uint8_t* const buf, const uint16_t* const data,
uci1 0:664899e0b988 129 const uint8_t loseLSB, const uint8_t loseMSB,
uci1 0:664899e0b988 130 const uint16_t wvBaseline);
uci1 0:664899e0b988 131 };
uci1 0:664899e0b988 132
uci1 0:664899e0b988 133
uci1 0:664899e0b988 134 #endif // SN_SnEventFrame