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| Rev | Author | Line No. | Line |
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| 46 | osiair | 1 | // ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ |
| 2 | // + Copyright (c) 04.2007 Holger Buss |
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| 3 | // + only for non-profit use |
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| 4 | // + www.MikroKopter.com |
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| 5 | // + see the File "License.txt" for further Informations |
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| 6 | // ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ |
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| 7 | |||
| 8 | #include "main.h" |
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| 9 | #include "uart.h" |
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| 10 | |||
| 11 | unsigned char DebugGetAnforderung = 0,DebugDisplayAnforderung = 0,DebugDataAnforderung = 0,GetVersionAnforderung = 0; |
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| 12 | unsigned volatile char SioTmp = 0; |
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| 13 | unsigned volatile char SendeBuffer[MAX_SENDE_BUFF]; |
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| 14 | unsigned volatile char RxdBuffer[MAX_EMPFANGS_BUFF]; |
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| 15 | unsigned volatile char NMEABuffer[MAX_EMPFANGS_BUFF]; |
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| 16 | unsigned volatile char NeuerDatensatzEmpfangen = 0; |
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| 17 | unsigned volatile char NeueKoordinateEmpfangen = 0; |
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| 18 | unsigned volatile char UebertragungAbgeschlossen = 1; |
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| 19 | unsigned volatile char CntCrcError = 0; |
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| 20 | unsigned volatile char AnzahlEmpfangsBytes = 0; |
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| 21 | unsigned volatile char PC_DebugTimeout = 0; |
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| 22 | unsigned char PcZugriff = 100; |
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| 23 | unsigned char MotorTest[4] = {0,0,0,0}; |
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| 24 | unsigned char MeineSlaveAdresse; |
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| 25 | struct str_DebugOut DebugOut; |
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| 26 | struct str_Debug DebugIn; |
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| 27 | struct str_VersionInfo VersionInfo; |
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| 28 | int Debug_Timer; |
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| 29 | |||
| 30 | //+++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ |
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| 31 | //++ Sende-Part der Datenübertragung |
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| 32 | //+++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ |
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| 33 | SIGNAL(INT_VEC_TX) |
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| 34 | { |
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| 35 | static unsigned int ptr = 0; |
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| 36 | unsigned char tmp_tx; |
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| 37 | if(!UebertragungAbgeschlossen) |
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| 38 | { |
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| 39 | ptr++; // die [0] wurde schon gesendet |
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| 40 | tmp_tx = SendeBuffer[ptr]; |
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| 41 | if((tmp_tx == '\r') || (ptr == MAX_SENDE_BUFF)) |
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| 42 | { |
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| 43 | ptr = 0; |
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| 44 | UebertragungAbgeschlossen = 1; |
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| 45 | } |
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| 46 | UDR = tmp_tx; |
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| 47 | } |
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| 48 | else ptr = 0; |
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| 49 | } |
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| 50 | |||
| 51 | //+++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ |
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| 52 | //++ Empfangs-Part der Datenübertragung, incl. CRC-Auswertung |
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| 53 | //+++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ |
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| 54 | SIGNAL(INT_VEC_RX) |
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| 55 | { |
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| 56 | static unsigned int crc; |
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| 57 | static unsigned char crc1,crc2,buf_ptr; |
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| 58 | static unsigned char UartState = 0; |
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| 59 | unsigned char CrcOkay = 0; |
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| 60 | |||
| 61 | SioTmp = UDR; |
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| 62 | |||
| 63 | ubx_push(SioTmp); // push die GPS daten in die GPS routine |
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| 64 | |||
| 65 | if(buf_ptr >= MAX_EMPFANGS_BUFF) UartState = 0; |
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| 66 | if(SioTmp == '\r' && UartState == 2) |
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| 67 | { |
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| 68 | UartState = 0; |
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| 69 | crc -= RxdBuffer[buf_ptr-2]; |
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| 70 | crc -= RxdBuffer[buf_ptr-1]; |
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| 71 | crc %= 4096; |
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| 72 | crc1 = '=' + crc / 64; |
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| 73 | crc2 = '=' + crc % 64; |
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| 74 | CrcOkay = 0; |
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| 75 | if((crc1 == RxdBuffer[buf_ptr-2]) && (crc2 == RxdBuffer[buf_ptr-1])) CrcOkay = 1; else { CrcOkay = 0; CntCrcError++;}; |
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| 76 | if(!NeuerDatensatzEmpfangen && CrcOkay) // Datensatz schon verarbeitet |
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| 77 | { |
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| 78 | NeuerDatensatzEmpfangen = 1; |
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| 79 | AnzahlEmpfangsBytes = buf_ptr; |
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| 80 | RxdBuffer[buf_ptr] = '\r'; |
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| 81 | if(/*(RxdBuffer[1] == MeineSlaveAdresse || (RxdBuffer[1] == 'a')) && */(RxdBuffer[2] == 'R')) wdt_enable(WDTO_250MS); // Reset-Commando |
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| 82 | } |
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| 83 | } |
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| 84 | else |
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| 85 | switch(UartState) |
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| 86 | { |
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| 87 | case 0: |
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| 88 | if(SioTmp == '#' && !NeuerDatensatzEmpfangen) UartState = 1; // Startzeichen und Daten schon verarbeitet |
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| 89 | buf_ptr = 0; |
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| 90 | RxdBuffer[buf_ptr++] = SioTmp; |
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| 91 | crc = SioTmp; |
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| 92 | break; |
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| 93 | case 1: // Adresse auswerten |
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| 94 | UartState++; |
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| 95 | RxdBuffer[buf_ptr++] = SioTmp; |
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| 96 | crc += SioTmp; |
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| 97 | break; |
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| 98 | case 2: // Eingangsdaten sammeln |
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| 99 | RxdBuffer[buf_ptr] = SioTmp; |
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| 100 | if(buf_ptr < MAX_EMPFANGS_BUFF) buf_ptr++; |
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| 101 | else UartState = 0; |
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| 102 | crc += SioTmp; |
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| 103 | break; |
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| 104 | default: |
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| 105 | UartState = 0; |
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| 106 | break; |
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| 107 | } |
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| 108 | } |
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| 109 | |||
| 110 | |||
| 111 | // -------------------------------------------------------------------------- |
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| 112 | void AddCRC(unsigned int wieviele) |
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| 113 | { |
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| 114 | unsigned int tmpCRC = 0,i; |
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| 115 | for(i = 0; i < wieviele;i++) |
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| 116 | { |
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| 117 | tmpCRC += SendeBuffer[i]; |
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| 118 | } |
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| 119 | tmpCRC %= 4096; |
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| 120 | SendeBuffer[i++] = '=' + tmpCRC / 64; |
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| 121 | SendeBuffer[i++] = '=' + tmpCRC % 64; |
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| 122 | SendeBuffer[i++] = '\r'; |
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| 123 | UebertragungAbgeschlossen = 0; |
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| 124 | UDR = SendeBuffer[0]; |
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| 125 | } |
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| 126 | |||
| 127 | |||
| 128 | |||
| 129 | // -------------------------------------------------------------------------- |
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| 130 | void SendOutData(unsigned char cmd,unsigned char modul, unsigned char *snd, unsigned char len) |
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| 131 | { |
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| 132 | unsigned int pt = 0; |
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| 133 | unsigned char a,b,c; |
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| 134 | unsigned char ptr = 0; |
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| 135 | |||
| 136 | SendeBuffer[pt++] = '#'; // Startzeichen |
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| 137 | SendeBuffer[pt++] = modul; // Adresse (a=0; b=1,...) |
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| 138 | SendeBuffer[pt++] = cmd; // Commando |
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| 139 | |||
| 140 | while(len) |
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| 141 | { |
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| 142 | if(len) { a = snd[ptr++]; len--;} else a = 0; |
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| 143 | if(len) { b = snd[ptr++]; len--;} else b = 0; |
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| 144 | if(len) { c = snd[ptr++]; len--;} else c = 0; |
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| 145 | SendeBuffer[pt++] = '=' + (a >> 2); |
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| 146 | SendeBuffer[pt++] = '=' + (((a & 0x03) << 4) | ((b & 0xf0) >> 4)); |
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| 147 | SendeBuffer[pt++] = '=' + (((b & 0x0f) << 2) | ((c & 0xc0) >> 6)); |
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| 148 | SendeBuffer[pt++] = '=' + ( c & 0x3f); |
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| 149 | } |
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| 150 | AddCRC(pt); |
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| 151 | } |
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| 152 | |||
| 153 | |||
| 154 | // -------------------------------------------------------------------------- |
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| 155 | void Decode64(unsigned char *ptrOut, unsigned char len, unsigned char ptrIn,unsigned char max) // Wohin mit den Daten; Wie lang; Wo im RxdBuffer |
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| 156 | { |
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| 157 | unsigned char a,b,c,d; |
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| 158 | unsigned char ptr = 0; |
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| 159 | unsigned char x,y,z; |
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| 160 | while(len) |
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| 161 | { |
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| 162 | a = RxdBuffer[ptrIn++] - '='; |
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| 163 | b = RxdBuffer[ptrIn++] - '='; |
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| 164 | c = RxdBuffer[ptrIn++] - '='; |
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| 165 | d = RxdBuffer[ptrIn++] - '='; |
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| 166 | if(ptrIn > max - 2) break; // nicht mehr Daten verarbeiten, als empfangen wurden |
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| 167 | |||
| 168 | x = (a << 2) | (b >> 4); |
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| 169 | y = ((b & 0x0f) << 4) | (c >> 2); |
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| 170 | z = ((c & 0x03) << 6) | d; |
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| 171 | |||
| 172 | if(len--) ptrOut[ptr++] = x; else break; |
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| 173 | if(len--) ptrOut[ptr++] = y; else break; |
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| 174 | if(len--) ptrOut[ptr++] = z; else break; |
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| 175 | } |
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| 176 | |||
| 177 | } |
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| 178 | |||
| 179 | // -------------------------------------------------------------------------- |
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| 180 | void BearbeiteRxDaten(void) |
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| 181 | { |
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| 182 | if(!NeuerDatensatzEmpfangen) return; |
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| 183 | |||
| 184 | unsigned int tmp_int_arr1[1]; |
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| 185 | unsigned int tmp_int_arr2[2]; |
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| 186 | unsigned int tmp_int_arr3[3]; |
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| 187 | unsigned char tmp_char_arr2[2]; |
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| 188 | unsigned char tmp_char_arr3[3]; |
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| 189 | unsigned char tmp_char_arr4[4]; |
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| 190 | //if(!MotorenEin) |
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| 191 | PcZugriff = 255; |
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| 192 | switch(RxdBuffer[2]) |
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| 193 | { |
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| 194 | case 'c':// Debugdaten incl. Externe IOs usw |
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| 195 | Decode64((unsigned char *) &DebugIn,sizeof(DebugIn),3,AnzahlEmpfangsBytes); |
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| 196 | /* for(unsigned char i=0; i<4;i++) |
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| 197 | { |
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| 198 | EE_CheckAndWrite(&EE_Buffer[EE_DEBUGWERTE + i*2], DebugIn.Analog[i]); |
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| 199 | EE_CheckAndWrite(&EE_Buffer[EE_DEBUGWERTE + i*2 + 1], DebugIn.Analog[i] >> 8); |
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| 200 | }*/ |
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| 201 | RemoteTasten |= DebugIn.RemoteTasten; |
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| 202 | DebugDataAnforderung = 1; |
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| 203 | break; |
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| 204 | |||
| 205 | case 'h':// x-1 Displayzeilen |
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| 206 | Decode64((unsigned char *) &tmp_char_arr2[0],sizeof(tmp_char_arr2),3,AnzahlEmpfangsBytes); |
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| 207 | RemoteTasten |= tmp_char_arr2[0]; |
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| 208 | DebugDisplayAnforderung = 1; |
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| 209 | break; |
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| 210 | case 't':// Motortest |
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| 211 | Decode64((unsigned char *) &MotorTest[0],sizeof(MotorTest),3,AnzahlEmpfangsBytes); |
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| 212 | break; |
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| 213 | case 'v': // Version-Anforderung und Ausbaustufe |
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| 214 | GetVersionAnforderung = 1; |
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| 215 | break; |
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| 216 | case 'g':// "Get"-Anforderung für Debug-Daten |
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| 217 | // Bei Get werden die vom PC einstellbaren Werte vom PC zurückgelesen |
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| 218 | DebugGetAnforderung = 1; |
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| 219 | break; |
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| 220 | case 'q':// "Get"-Anforderung für Settings |
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| 221 | // Bei Get werden die vom PC einstellbaren Werte vom PC zurückgelesen |
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| 222 | Decode64((unsigned char *) &tmp_char_arr2[0],sizeof(tmp_char_arr2),3,AnzahlEmpfangsBytes); |
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| 223 | if(tmp_char_arr2[0] != 0xff) |
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| 224 | { |
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| 225 | if(tmp_char_arr2[0] > 5) tmp_char_arr2[0] = 5; |
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| 226 | ReadParameterSet(tmp_char_arr2[0], (unsigned char *) &EE_Parameter.Kanalbelegung[0], STRUCT_PARAM_LAENGE); |
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| 227 | SendOutData('L' + tmp_char_arr2[0] -1,MeineSlaveAdresse,(unsigned char *) &EE_Parameter.Kanalbelegung[0],STRUCT_PARAM_LAENGE); |
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| 228 | } |
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| 229 | else |
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| 230 | SendOutData('L' + GetActiveParamSetNumber()-1,MeineSlaveAdresse,(unsigned char *) &EE_Parameter.Kanalbelegung[0],STRUCT_PARAM_LAENGE); |
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| 231 | |||
| 232 | break; |
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| 233 | |||
| 234 | case 'l': |
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| 235 | case 'm': |
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| 236 | case 'n': |
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| 237 | case 'o': |
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| 238 | case 'p': // Parametersatz speichern |
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| 239 | Decode64((unsigned char *) &EE_Parameter.Kanalbelegung[0],STRUCT_PARAM_LAENGE,3,AnzahlEmpfangsBytes); |
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| 240 | WriteParameterSet(RxdBuffer[2] - 'l' + 1, (unsigned char *) &EE_Parameter.Kanalbelegung[0], STRUCT_PARAM_LAENGE); |
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| 241 | eeprom_write_byte(&EEPromArray[EEPROM_ADR_ACTIVE_SET], RxdBuffer[2] - 'l' + 1); // aktiven Datensatz merken |
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| 242 | Piep(GetActiveParamSetNumber()); |
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| 243 | break; |
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| 244 | |||
| 245 | |||
| 246 | } |
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| 247 | // DebugOut.AnzahlZyklen = Debug_Timer_Intervall; |
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| 248 | NeuerDatensatzEmpfangen = 0; |
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| 249 | } |
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| 250 | |||
| 251 | //############################################################################ |
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| 252 | //Routine für die Serielle Ausgabe |
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| 253 | int uart_putchar (char c) |
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| 254 | //############################################################################ |
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| 255 | { |
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| 256 | if (c == '\n') |
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| 257 | uart_putchar('\r'); |
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| 258 | //Warten solange bis Zeichen gesendet wurde |
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| 259 | loop_until_bit_is_set(USR, UDRE); |
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| 260 | //Ausgabe des Zeichens |
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| 261 | UDR = c; |
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| 262 | |||
| 263 | return (0); |
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| 264 | } |
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| 265 | |||
| 266 | // -------------------------------------------------------------------------- |
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| 267 | void WriteProgramData(unsigned int pos, unsigned char wert) |
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| 268 | { |
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| 269 | //if (ProgramLocation == IN_RAM) Buffer[pos] = wert; |
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| 270 | // else eeprom_write_byte(&EE_Buffer[pos], wert); |
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| 271 | // Buffer[pos] = wert; |
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| 272 | } |
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| 273 | |||
| 274 | //############################################################################ |
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| 275 | //INstallation der Seriellen Schnittstelle |
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| 276 | void UART_Init (void) |
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| 277 | //############################################################################ |
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| 278 | { |
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| 279 | //Enable TXEN im Register UCR TX-Data Enable & RX Enable |
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| 280 | |||
| 281 | UCR=(1 << TXEN) | (1 << RXEN); |
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| 282 | // UART Double Speed (U2X) |
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| 283 | USR |= (1<<U2X); |
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| 284 | // RX-Interrupt Freigabe |
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| 285 | UCSRB |= (1<<RXCIE); |
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| 286 | // TX-Interrupt Freigabe |
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| 287 | UCSRB |= (1<<TXCIE); |
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| 288 | |||
| 289 | //Teiler wird gesetzt |
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| 290 | UBRR=(SYSCLK / (BAUD_RATE * 8L) - 1); |
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| 291 | //UBRR = 33; |
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| 292 | //öffnet einen Kanal für printf (STDOUT) |
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| 293 | //fdevopen (uart_putchar, 0); |
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| 294 | //sbi(PORTD,4); |
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| 295 | Debug_Timer = SetDelay(200); |
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| 296 | } |
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| 297 | |||
| 298 | //--------------------------------------------------------------------------------------------- |
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| 299 | void DatenUebertragung(void) |
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| 300 | { |
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| 301 | static char dis_zeile = 0; |
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| 302 | if(!UebertragungAbgeschlossen) return; |
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| 303 | |||
| 304 | if(DebugGetAnforderung && UebertragungAbgeschlossen) // Bei Get werden die vom PC einstellbaren Werte vom PC zurückgelesen |
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| 305 | { |
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| 306 | SendOutData('G',MeineSlaveAdresse,(unsigned char *) &DebugIn,sizeof(DebugIn)); |
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| 307 | DebugGetAnforderung = 0; |
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| 308 | } |
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| 309 | |||
| 310 | if((CheckDelay(Debug_Timer) || DebugDataAnforderung) && UebertragungAbgeschlossen) |
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| 311 | { |
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| 312 | SendOutData('D',MeineSlaveAdresse,(unsigned char *) &DebugOut,sizeof(DebugOut)); |
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| 313 | DebugDataAnforderung = 0; |
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| 314 | Debug_Timer = SetDelay(MIN_DEBUG_INTERVALL); |
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| 315 | } |
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| 316 | |||
| 317 | if(DebugDisplayAnforderung && UebertragungAbgeschlossen) |
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| 318 | { |
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| 319 | Menu(); |
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| 320 | DebugDisplayAnforderung = 0; |
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| 321 | if(++dis_zeile == 4) dis_zeile = 0; |
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| 322 | SendOutData('0' + dis_zeile,0,&DisplayBuff[20 * dis_zeile],20); // DisplayZeile übertragen |
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| 323 | } |
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| 324 | if(GetVersionAnforderung && UebertragungAbgeschlossen) |
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| 325 | { |
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| 326 | SendOutData('V',MeineSlaveAdresse,(unsigned char *) &VersionInfo,sizeof(VersionInfo)); |
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| 327 | GetVersionAnforderung = 0; |
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| 328 | } |
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| 329 | |||
| 330 | } |
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| 331 |