init
ComLink.cpp@0:c9f3777fe0b4, 2015-11-05 (annotated)
- Committer:
- gert_lauritsen
- Date:
- Thu Nov 05 12:47:33 2015 +0000
- Revision:
- 0:c9f3777fe0b4
- Child:
- 2:c1599cad82c3
Fungere med display
Who changed what in which revision?
User | Revision | Line number | New contents of line |
---|---|---|---|
gert_lauritsen | 0:c9f3777fe0b4 | 1 | //------------------------------------------------------------------------------------ |
gert_lauritsen | 0:c9f3777fe0b4 | 2 | // : |
gert_lauritsen | 0:c9f3777fe0b4 | 3 | // Title : Comlink |
gert_lauritsen | 0:c9f3777fe0b4 | 4 | // Filename : Queue.h |
gert_lauritsen | 0:c9f3777fe0b4 | 5 | // Author : Gert Lauritsen |
gert_lauritsen | 0:c9f3777fe0b4 | 6 | // Origin Date : 26/05/2015 |
gert_lauritsen | 0:c9f3777fe0b4 | 7 | // Version : 1.000 |
gert_lauritsen | 0:c9f3777fe0b4 | 8 | // Compiler : Keil |
gert_lauritsen | 0:c9f3777fe0b4 | 9 | // Target : |
gert_lauritsen | 0:c9f3777fe0b4 | 10 | // Notes : None |
gert_lauritsen | 0:c9f3777fe0b4 | 11 | // |
gert_lauritsen | 0:c9f3777fe0b4 | 12 | //------------------------------------------------------------------------------------ |
gert_lauritsen | 0:c9f3777fe0b4 | 13 | |
gert_lauritsen | 0:c9f3777fe0b4 | 14 | #include "ComLink.h" |
gert_lauritsen | 0:c9f3777fe0b4 | 15 | #define Frameheader 3 |
gert_lauritsen | 0:c9f3777fe0b4 | 16 | |
gert_lauritsen | 0:c9f3777fe0b4 | 17 | ComLink::ComLink(PinName tx, PinName rx,callback_type _callback) : _com(tx,rx) |
gert_lauritsen | 0:c9f3777fe0b4 | 18 | { |
gert_lauritsen | 0:c9f3777fe0b4 | 19 | //_com=new Serial(tx,rx); |
gert_lauritsen | 0:c9f3777fe0b4 | 20 | init_q(); |
gert_lauritsen | 0:c9f3777fe0b4 | 21 | _com.baud(19200); |
gert_lauritsen | 0:c9f3777fe0b4 | 22 | TxAktiv=0; //Signal om at der ikke sendes data for øjeblikket |
gert_lauritsen | 0:c9f3777fe0b4 | 23 | _com.attach(this,&ComLink::txCallback, Serial::TxIrq); //Interrupt rutiner |
gert_lauritsen | 0:c9f3777fe0b4 | 24 | _com.attach(this,&ComLink::rxCallback, Serial::RxIrq); |
gert_lauritsen | 0:c9f3777fe0b4 | 25 | callback = _callback; |
gert_lauritsen | 0:c9f3777fe0b4 | 26 | } |
gert_lauritsen | 0:c9f3777fe0b4 | 27 | |
gert_lauritsen | 0:c9f3777fe0b4 | 28 | bool ComLink::CRC() { |
gert_lauritsen | 0:c9f3777fe0b4 | 29 | unsigned char CRCin=0; |
gert_lauritsen | 0:c9f3777fe0b4 | 30 | int framesize=inbuff[1]; |
gert_lauritsen | 0:c9f3777fe0b4 | 31 | for (int i=0; i<(framesize+Frameheader); i++) CRCin^=inbuff[i]; |
gert_lauritsen | 0:c9f3777fe0b4 | 32 | //return CRCin==inbuff[framesize+Frameheader]; |
gert_lauritsen | 0:c9f3777fe0b4 | 33 | return 1; |
gert_lauritsen | 0:c9f3777fe0b4 | 34 | } |
gert_lauritsen | 0:c9f3777fe0b4 | 35 | |
gert_lauritsen | 0:c9f3777fe0b4 | 36 | //------------------------------------------------------------------------------------ |
gert_lauritsen | 0:c9f3777fe0b4 | 37 | // STX Size type Data CRC |
gert_lauritsen | 0:c9f3777fe0b4 | 38 | // 0 1 2 3..Dsize Dsize+3 |
gert_lauritsen | 0:c9f3777fe0b4 | 39 | //------------------------------------------------------------------------------------ |
gert_lauritsen | 0:c9f3777fe0b4 | 40 | |
gert_lauritsen | 0:c9f3777fe0b4 | 41 | void ComLink::rxCallback() //modtager data, når frame er modtaget sende besked |
gert_lauritsen | 0:c9f3777fe0b4 | 42 | { |
gert_lauritsen | 0:c9f3777fe0b4 | 43 | static unsigned char InPointer; |
gert_lauritsen | 0:c9f3777fe0b4 | 44 | static bool Incoming; |
gert_lauritsen | 0:c9f3777fe0b4 | 45 | unsigned char framesize; |
gert_lauritsen | 0:c9f3777fe0b4 | 46 | int _Dtype=0; |
gert_lauritsen | 0:c9f3777fe0b4 | 47 | |
gert_lauritsen | 0:c9f3777fe0b4 | 48 | inbuff[InPointer]=_com.getc(); |
gert_lauritsen | 0:c9f3777fe0b4 | 49 | if ((!Incoming) && (inbuff[InPointer]==stx)) { |
gert_lauritsen | 0:c9f3777fe0b4 | 50 | Incoming=1; |
gert_lauritsen | 0:c9f3777fe0b4 | 51 | } |
gert_lauritsen | 0:c9f3777fe0b4 | 52 | if (Incoming) { |
gert_lauritsen | 0:c9f3777fe0b4 | 53 | if (InPointer>Frameheader) { |
gert_lauritsen | 0:c9f3777fe0b4 | 54 | framesize=inbuff[1]; |
gert_lauritsen | 0:c9f3777fe0b4 | 55 | if (InPointer==framesize-1) { //Vi har modtaget det hele |
gert_lauritsen | 0:c9f3777fe0b4 | 56 | if (CRC()) { |
gert_lauritsen | 0:c9f3777fe0b4 | 57 | _Dtype=inbuff[2]; DSize=framesize; |
gert_lauritsen | 0:c9f3777fe0b4 | 58 | strncpy(&Data[0],&inbuff[3],framesize); |
gert_lauritsen | 0:c9f3777fe0b4 | 59 | callback(_Dtype); //sender besked længere op i systemet |
gert_lauritsen | 0:c9f3777fe0b4 | 60 | InPointer=0; |
gert_lauritsen | 0:c9f3777fe0b4 | 61 | Incoming=0; |
gert_lauritsen | 0:c9f3777fe0b4 | 62 | } //if crc |
gert_lauritsen | 0:c9f3777fe0b4 | 63 | else { |
gert_lauritsen | 0:c9f3777fe0b4 | 64 | InPointer=0; |
gert_lauritsen | 0:c9f3777fe0b4 | 65 | Incoming=0; |
gert_lauritsen | 0:c9f3777fe0b4 | 66 | } |
gert_lauritsen | 0:c9f3777fe0b4 | 67 | |
gert_lauritsen | 0:c9f3777fe0b4 | 68 | } //if framesize.. |
gert_lauritsen | 0:c9f3777fe0b4 | 69 | } //if (Inpo.. |
gert_lauritsen | 0:c9f3777fe0b4 | 70 | if (Incoming) InPointer++; // |
gert_lauritsen | 0:c9f3777fe0b4 | 71 | } //if incoming |
gert_lauritsen | 0:c9f3777fe0b4 | 72 | } |
gert_lauritsen | 0:c9f3777fe0b4 | 73 | |
gert_lauritsen | 0:c9f3777fe0b4 | 74 | |
gert_lauritsen | 0:c9f3777fe0b4 | 75 | void ComLink::txCallback() //Skal tage den næste byt i rækken og sende den |
gert_lauritsen | 0:c9f3777fe0b4 | 76 | { |
gert_lauritsen | 0:c9f3777fe0b4 | 77 | unsigned char NextCh=0; |
gert_lauritsen | 0:c9f3777fe0b4 | 78 | if (Get(&NextCh)==0) TxAktiv=0; |
gert_lauritsen | 0:c9f3777fe0b4 | 79 | else |
gert_lauritsen | 0:c9f3777fe0b4 | 80 | _com.putc((int) NextCh); //sender næste char fra q |
gert_lauritsen | 0:c9f3777fe0b4 | 81 | } |
gert_lauritsen | 0:c9f3777fe0b4 | 82 | |
gert_lauritsen | 0:c9f3777fe0b4 | 83 | void ComLink::Senddata(unsigned char Dtype,unsigned char Dsize, char *str) |
gert_lauritsen | 0:c9f3777fe0b4 | 84 | { |
gert_lauritsen | 0:c9f3777fe0b4 | 85 | unsigned char NextCh=0; |
gert_lauritsen | 0:c9f3777fe0b4 | 86 | Q_crc=0; |
gert_lauritsen | 0:c9f3777fe0b4 | 87 | //printf("N=%d %s\r\n",Dsize, &str[2]); |
gert_lauritsen | 0:c9f3777fe0b4 | 88 | Put(stx); //Start Frame |
gert_lauritsen | 0:c9f3777fe0b4 | 89 | Put(Dsize); //FrameSize |
gert_lauritsen | 0:c9f3777fe0b4 | 90 | Put(Dtype); //Frame type |
gert_lauritsen | 0:c9f3777fe0b4 | 91 | for (int i=0; i<Dsize; i++) { //Datasektion |
gert_lauritsen | 0:c9f3777fe0b4 | 92 | Put(*str); |
gert_lauritsen | 0:c9f3777fe0b4 | 93 | str++; |
gert_lauritsen | 0:c9f3777fe0b4 | 94 | } |
gert_lauritsen | 0:c9f3777fe0b4 | 95 | Put(Q_crc); //CRC |
gert_lauritsen | 0:c9f3777fe0b4 | 96 | if (!TxAktiv) { //Hvis vi ikke sender noget for tiden startes tømningen fra Q |
gert_lauritsen | 0:c9f3777fe0b4 | 97 | Get(&NextCh); |
gert_lauritsen | 0:c9f3777fe0b4 | 98 | _com.putc((int) NextCh); //sender næste char fra q |
gert_lauritsen | 0:c9f3777fe0b4 | 99 | TxAktiv=1; |
gert_lauritsen | 0:c9f3777fe0b4 | 100 | } |
gert_lauritsen | 0:c9f3777fe0b4 | 101 | } |
gert_lauritsen | 0:c9f3777fe0b4 | 102 | //--------------------------------------------------------------------------------------------------- |
gert_lauritsen | 0:c9f3777fe0b4 | 103 | //Tx Frames |
gert_lauritsen | 0:c9f3777fe0b4 | 104 | //Public functions: |
gert_lauritsen | 0:c9f3777fe0b4 | 105 | void ComLink::TxFloats(unsigned char Ftype, float *Fvalue, int Size){ |
gert_lauritsen | 0:c9f3777fe0b4 | 106 | char OutStr[40]; |
gert_lauritsen | 0:c9f3777fe0b4 | 107 | union { |
gert_lauritsen | 0:c9f3777fe0b4 | 108 | char bytes[4]; |
gert_lauritsen | 0:c9f3777fe0b4 | 109 | float val; |
gert_lauritsen | 0:c9f3777fe0b4 | 110 | } Float2Byte; |
gert_lauritsen | 0:c9f3777fe0b4 | 111 | for (int i=0; i<Size; i++) { |
gert_lauritsen | 0:c9f3777fe0b4 | 112 | Float2Byte.val=*Fvalue; |
gert_lauritsen | 0:c9f3777fe0b4 | 113 | memcpy(&OutStr[i*4],&Float2Byte.bytes[0],4); |
gert_lauritsen | 0:c9f3777fe0b4 | 114 | } |
gert_lauritsen | 0:c9f3777fe0b4 | 115 | Senddata(Ftype,Size*4,OutStr); |
gert_lauritsen | 0:c9f3777fe0b4 | 116 | } |
gert_lauritsen | 0:c9f3777fe0b4 | 117 | |
gert_lauritsen | 0:c9f3777fe0b4 | 118 | void ComLink::TxCalRecord(float *value, int Size){ |
gert_lauritsen | 0:c9f3777fe0b4 | 119 | TxFloats(2,value,Size); |
gert_lauritsen | 0:c9f3777fe0b4 | 120 | } |
gert_lauritsen | 0:c9f3777fe0b4 | 121 | |
gert_lauritsen | 0:c9f3777fe0b4 | 122 | |
gert_lauritsen | 0:c9f3777fe0b4 | 123 | void ComLink::TxStatus(float *value, int Size){ |
gert_lauritsen | 0:c9f3777fe0b4 | 124 | TxFloats(3,value,Size); |
gert_lauritsen | 0:c9f3777fe0b4 | 125 | } |
gert_lauritsen | 0:c9f3777fe0b4 | 126 | |
gert_lauritsen | 0:c9f3777fe0b4 | 127 | void ComLink::TxErrStateArr(float *value, int Size){ |
gert_lauritsen | 0:c9f3777fe0b4 | 128 | TxFloats(4,value,Size); |
gert_lauritsen | 0:c9f3777fe0b4 | 129 | } |
gert_lauritsen | 0:c9f3777fe0b4 | 130 | |
gert_lauritsen | 0:c9f3777fe0b4 | 131 | void ComLink::TxSetStateArr(float *value, int Size){ |
gert_lauritsen | 0:c9f3777fe0b4 | 132 | TxFloats(5,value,Size); |
gert_lauritsen | 0:c9f3777fe0b4 | 133 | } |
gert_lauritsen | 0:c9f3777fe0b4 | 134 | |
gert_lauritsen | 0:c9f3777fe0b4 | 135 | |
gert_lauritsen | 0:c9f3777fe0b4 | 136 | void ComLink::WriteLCD(unsigned char x,unsigned char y, char *str) |
gert_lauritsen | 0:c9f3777fe0b4 | 137 | { |
gert_lauritsen | 0:c9f3777fe0b4 | 138 | char outstr[20]; |
gert_lauritsen | 0:c9f3777fe0b4 | 139 | outstr[0]=x; |
gert_lauritsen | 0:c9f3777fe0b4 | 140 | outstr[1]=y; |
gert_lauritsen | 0:c9f3777fe0b4 | 141 | strcpy(&outstr[2],str); |
gert_lauritsen | 0:c9f3777fe0b4 | 142 | Senddata(6,2+strlen(str),outstr); |
gert_lauritsen | 0:c9f3777fe0b4 | 143 | } |
gert_lauritsen | 0:c9f3777fe0b4 | 144 | |
gert_lauritsen | 0:c9f3777fe0b4 | 145 | void ComLink::cls() |
gert_lauritsen | 0:c9f3777fe0b4 | 146 | { |
gert_lauritsen | 0:c9f3777fe0b4 | 147 | Senddata(7,0,""); |
gert_lauritsen | 0:c9f3777fe0b4 | 148 | } |