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1032 | flinkflash | 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 RemotePollDisplayLine = 0; |
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23 | unsigned char NurKanalAnforderung = 0; |
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24 | unsigned char DebugTextAnforderung = 255; |
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25 | unsigned char PcZugriff = 100; |
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26 | unsigned char MotorTest[4] = {0,0,0,0}; |
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27 | unsigned char DubWiseKeys[4] = {0,0,0,0}; |
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28 | unsigned char MeineSlaveAdresse; |
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29 | unsigned char ConfirmFrame; |
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30 | struct str_DebugOut DebugOut; |
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31 | struct str_ExternControl ExternControl; |
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32 | struct str_VersionInfo VersionInfo; |
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33 | struct str_WinkelOut WinkelOut; |
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34 | |||
35 | int Debug_Timer,Kompass_Timer; |
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36 | |||
37 | const unsigned char ANALOG_TEXT[32][16] = |
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38 | { |
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39 | //1234567890123456 |
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40 | "IntegralNick ", //0 |
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41 | "IntegralRoll ", |
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42 | "AccNick ", |
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43 | "AccRoll ", |
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44 | "GyroGier ", |
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45 | "HoehenWert ", //5 |
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46 | "AccZ ", |
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47 | "Gas ", |
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48 | "KompassValue ", |
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49 | "Spannung ", |
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50 | "Empfang ", //10 |
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51 | "Ersatzkompass ", |
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52 | "Motor_Vorne ", |
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53 | "Motor_Hinten ", |
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54 | "Motor_Links ", |
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55 | "Motor_Rechts ", //15 |
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56 | " ", |
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57 | "Distance ", |
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58 | "OsdBar ", |
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59 | "MK3Mag CalState ", |
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60 | "Servo ", //20 |
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61 | "Nick ", |
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62 | "Roll ", |
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63 | " ", |
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64 | " ", |
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65 | " ", //25 |
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66 | " ", |
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67 | " ", |
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68 | " ", |
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69 | " ", |
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70 | "GPS_Nick ", //30 |
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71 | "GPS_Roll " |
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72 | }; |
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73 | |||
74 | |||
75 | |||
76 | //+++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ |
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77 | //++ Sende-Part der Datenübertragung |
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78 | //+++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ |
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79 | SIGNAL(INT_VEC_TX) |
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80 | { |
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81 | static unsigned int ptr = 0; |
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82 | unsigned char tmp_tx; |
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83 | if(!UebertragungAbgeschlossen) |
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84 | { |
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85 | ptr++; // die [0] wurde schon gesendet |
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86 | tmp_tx = SendeBuffer[ptr]; |
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87 | if((tmp_tx == '\r') || (ptr == MAX_SENDE_BUFF)) |
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88 | { |
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89 | ptr = 0; |
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90 | UebertragungAbgeschlossen = 1; |
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91 | } |
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92 | UDR = tmp_tx; |
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93 | } |
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94 | else ptr = 0; |
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95 | } |
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96 | |||
97 | //+++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ |
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98 | //++ Empfangs-Part der Datenübertragung, incl. CRC-Auswertung |
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99 | //+++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ |
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100 | SIGNAL(INT_VEC_RX) |
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101 | { |
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102 | static unsigned int crc; |
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103 | static unsigned char crc1,crc2,buf_ptr; |
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104 | static unsigned char UartState = 0; |
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105 | unsigned char CrcOkay = 0; |
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106 | |||
107 | SioTmp = UDR; |
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108 | if(buf_ptr >= MAX_EMPFANGS_BUFF) UartState = 0; |
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109 | if(SioTmp == '\r' && UartState == 2) |
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110 | { |
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111 | UartState = 0; |
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112 | crc -= RxdBuffer[buf_ptr-2]; |
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113 | crc -= RxdBuffer[buf_ptr-1]; |
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114 | crc %= 4096; |
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115 | crc1 = '=' + crc / 64; |
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116 | crc2 = '=' + crc % 64; |
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117 | CrcOkay = 0; |
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118 | if((crc1 == RxdBuffer[buf_ptr-2]) && (crc2 == RxdBuffer[buf_ptr-1])) CrcOkay = 1; else { CrcOkay = 0; CntCrcError++;}; |
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119 | if(!NeuerDatensatzEmpfangen && CrcOkay) // Datensatz schon verarbeitet |
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120 | { |
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121 | NeuerDatensatzEmpfangen = 1; |
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122 | AnzahlEmpfangsBytes = buf_ptr; |
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123 | RxdBuffer[buf_ptr] = '\r'; |
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124 | if(RxdBuffer[2] == 'R') wdt_enable(WDTO_250MS); // Reset-Commando |
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125 | } |
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126 | } |
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127 | else |
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128 | switch(UartState) |
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129 | { |
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130 | case 0: |
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131 | if(SioTmp == '#' && !NeuerDatensatzEmpfangen) UartState = 1; // Startzeichen und Daten schon verarbeitet |
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132 | buf_ptr = 0; |
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133 | RxdBuffer[buf_ptr++] = SioTmp; |
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134 | crc = SioTmp; |
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135 | break; |
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136 | case 1: // Adresse auswerten |
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137 | UartState++; |
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138 | RxdBuffer[buf_ptr++] = SioTmp; |
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139 | crc += SioTmp; |
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140 | break; |
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141 | case 2: // Eingangsdaten sammeln |
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142 | RxdBuffer[buf_ptr] = SioTmp; |
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143 | if(buf_ptr < MAX_EMPFANGS_BUFF) buf_ptr++; |
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144 | else UartState = 0; |
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145 | crc += SioTmp; |
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146 | break; |
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147 | default: |
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148 | UartState = 0; |
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149 | break; |
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150 | } |
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151 | } |
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152 | |||
153 | |||
154 | // -------------------------------------------------------------------------- |
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155 | void AddCRC(unsigned int wieviele) |
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156 | { |
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157 | unsigned int tmpCRC = 0,i; |
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158 | for(i = 0; i < wieviele;i++) |
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159 | { |
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160 | tmpCRC += SendeBuffer[i]; |
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161 | } |
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162 | tmpCRC %= 4096; |
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163 | SendeBuffer[i++] = '=' + tmpCRC / 64; |
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164 | SendeBuffer[i++] = '=' + tmpCRC % 64; |
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165 | SendeBuffer[i++] = '\r'; |
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166 | UebertragungAbgeschlossen = 0; |
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167 | UDR = SendeBuffer[0]; |
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168 | } |
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169 | |||
170 | |||
171 | |||
172 | // -------------------------------------------------------------------------- |
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173 | void SendOutData(unsigned char cmd,unsigned char modul, unsigned char *snd, unsigned char len) |
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174 | { |
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175 | unsigned int pt = 0; |
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176 | unsigned char a,b,c; |
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177 | unsigned char ptr = 0; |
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178 | |||
179 | SendeBuffer[pt++] = '#'; // Startzeichen |
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180 | SendeBuffer[pt++] = modul; // Adresse (a=0; b=1,...) |
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181 | SendeBuffer[pt++] = cmd; // Commando |
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182 | |||
183 | while(len) |
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184 | { |
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185 | if(len) { a = snd[ptr++]; len--;} else a = 0; |
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186 | if(len) { b = snd[ptr++]; len--;} else b = 0; |
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187 | if(len) { c = snd[ptr++]; len--;} else c = 0; |
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188 | SendeBuffer[pt++] = '=' + (a >> 2); |
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189 | SendeBuffer[pt++] = '=' + (((a & 0x03) << 4) | ((b & 0xf0) >> 4)); |
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190 | SendeBuffer[pt++] = '=' + (((b & 0x0f) << 2) | ((c & 0xc0) >> 6)); |
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191 | SendeBuffer[pt++] = '=' + ( c & 0x3f); |
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192 | } |
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193 | AddCRC(pt); |
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194 | } |
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195 | |||
196 | |||
197 | // -------------------------------------------------------------------------- |
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198 | 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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199 | { |
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200 | unsigned char a,b,c,d; |
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201 | unsigned char ptr = 0; |
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202 | unsigned char x,y,z; |
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203 | while(len) |
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204 | { |
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205 | a = RxdBuffer[ptrIn++] - '='; |
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206 | b = RxdBuffer[ptrIn++] - '='; |
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207 | c = RxdBuffer[ptrIn++] - '='; |
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208 | d = RxdBuffer[ptrIn++] - '='; |
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209 | if(ptrIn > max - 2) break; // nicht mehr Daten verarbeiten, als empfangen wurden |
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210 | |||
211 | x = (a << 2) | (b >> 4); |
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212 | y = ((b & 0x0f) << 4) | (c >> 2); |
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213 | z = ((c & 0x03) << 6) | d; |
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214 | |||
215 | if(len--) ptrOut[ptr++] = x; else break; |
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216 | if(len--) ptrOut[ptr++] = y; else break; |
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217 | if(len--) ptrOut[ptr++] = z; else break; |
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218 | } |
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219 | |||
220 | } |
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221 | |||
222 | // -------------------------------------------------------------------------- |
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223 | void BearbeiteRxDaten(void) |
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224 | { |
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225 | if(!NeuerDatensatzEmpfangen) return; |
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226 | |||
227 | unsigned int tmp_int_arr1[1]; |
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228 | // unsigned int tmp_int_arr2[2]; |
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229 | // unsigned int tmp_int_arr3[3]; |
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230 | unsigned char tmp_char_arr2[2]; |
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231 | // unsigned char tmp_char_arr3[3]; |
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232 | // unsigned char tmp_char_arr4[4]; |
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233 | //if(!MotorenEin) |
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234 | switch(RxdBuffer[2]) |
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235 | { |
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236 | case 'K':// Kompasswert |
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237 | Decode64((unsigned char *) &tmp_int_arr1[0],sizeof(tmp_int_arr1),3,AnzahlEmpfangsBytes); |
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238 | KompassValue = tmp_int_arr1[0]; |
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239 | KompassRichtung = ((540 + KompassValue - KompassStartwert) % 360) - 180; |
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240 | break; |
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241 | case 'a':// Texte der Analogwerte |
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242 | Decode64((unsigned char *) &tmp_char_arr2[0],sizeof(tmp_char_arr2),3,AnzahlEmpfangsBytes); |
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243 | DebugTextAnforderung = tmp_char_arr2[0]; |
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244 | PcZugriff = 255; |
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245 | break; |
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246 | case 'b': |
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247 | Decode64((unsigned char *) &ExternControl,sizeof(ExternControl),3,AnzahlEmpfangsBytes); |
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248 | RemoteTasten |= ExternControl.RemoteTasten; |
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249 | ConfirmFrame = ExternControl.Frame; |
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250 | PcZugriff = 255; |
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251 | break; |
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252 | case 'c': |
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253 | Decode64((unsigned char *) &ExternControl,sizeof(ExternControl),3,AnzahlEmpfangsBytes); |
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254 | RemoteTasten |= ExternControl.RemoteTasten; |
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255 | ConfirmFrame = ExternControl.Frame; |
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256 | DebugDataAnforderung = 1; |
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257 | PcZugriff = 255; |
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258 | break; |
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259 | case 'h':// x-1 Displayzeilen |
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260 | Decode64((unsigned char *) &tmp_char_arr2[0],sizeof(tmp_char_arr2),3,AnzahlEmpfangsBytes); |
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261 | RemoteTasten |= tmp_char_arr2[0]; |
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262 | if(tmp_char_arr2[1] == 255) NurKanalAnforderung = 1; else NurKanalAnforderung = 0; // keine Displaydaten |
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263 | DebugDisplayAnforderung = 1; |
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264 | break; |
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265 | case 't':// Motortest |
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266 | Decode64((unsigned char *) &MotorTest[0],sizeof(MotorTest),3,AnzahlEmpfangsBytes); |
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267 | PcZugriff = 255; |
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268 | break; |
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269 | case 'k':// Keys von DubWise |
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270 | Decode64((unsigned char *) &DubWiseKeys[0],sizeof(DubWiseKeys),3,AnzahlEmpfangsBytes); |
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271 | ConfirmFrame = DubWiseKeys[3]; |
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272 | PcZugriff = 255; |
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273 | break; |
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274 | case 'v': // Version-Anforderung und Ausbaustufe |
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275 | GetVersionAnforderung = 1; |
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276 | break; |
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277 | case 'g':// "Get"-Anforderung für Debug-Daten |
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278 | // Bei Get werden die vom PC einstellbaren Werte vom PC zurückgelesen |
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279 | DebugGetAnforderung = 1; |
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280 | break; |
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281 | case 'q':// "Get"-Anforderung für Settings |
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282 | // Bei Get werden die vom PC einstellbaren Werte vom PC zurückgelesen |
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283 | Decode64((unsigned char *) &tmp_char_arr2[0],sizeof(tmp_char_arr2),3,AnzahlEmpfangsBytes); |
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284 | while(!UebertragungAbgeschlossen); |
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285 | if(tmp_char_arr2[0] != 0xff) |
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286 | { |
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287 | if(tmp_char_arr2[0] > 5) tmp_char_arr2[0] = 5; |
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288 | ReadParameterSet(tmp_char_arr2[0], (unsigned char *) &EE_Parameter.Kanalbelegung[0], STRUCT_PARAM_LAENGE); |
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289 | SendOutData('L' + tmp_char_arr2[0] -1,MeineSlaveAdresse,(unsigned char *) &EE_Parameter.Kanalbelegung[0],STRUCT_PARAM_LAENGE); |
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290 | } |
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291 | else |
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292 | SendOutData('L' + GetActiveParamSetNumber()-1,MeineSlaveAdresse,(unsigned char *) &EE_Parameter.Kanalbelegung[0],STRUCT_PARAM_LAENGE); |
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293 | |||
294 | break; |
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295 | |||
296 | case 'l': |
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297 | case 'm': |
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298 | case 'n': |
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299 | case 'o': |
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300 | case 'p': // Parametersatz speichern |
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301 | Decode64((unsigned char *) &EE_Parameter.Kanalbelegung[0],STRUCT_PARAM_LAENGE,3,AnzahlEmpfangsBytes); |
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302 | WriteParameterSet(RxdBuffer[2] - 'l' + 1, (unsigned char *) &EE_Parameter.Kanalbelegung[0], STRUCT_PARAM_LAENGE); |
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303 | eeprom_write_byte(&EEPromArray[EEPROM_ADR_ACTIVE_SET], RxdBuffer[2] - 'l' + 1); // aktiven Datensatz merken |
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304 | Umschlag180Nick = (long) EE_Parameter.WinkelUmschlagNick * 2500L; |
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305 | Umschlag180Roll = (long) EE_Parameter.WinkelUmschlagRoll * 2500L; |
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306 | Piep(GetActiveParamSetNumber()); |
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307 | break; |
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308 | |||
309 | |||
310 | } |
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311 | // DebugOut.AnzahlZyklen = Debug_Timer_Intervall; |
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312 | NeuerDatensatzEmpfangen = 0; |
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313 | } |
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314 | |||
315 | //############################################################################ |
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316 | //Routine für die Serielle Ausgabe |
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317 | int uart_putchar (char c) |
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318 | //############################################################################ |
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319 | { |
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320 | if (c == '\n') |
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321 | uart_putchar('\r'); |
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322 | //Warten solange bis Zeichen gesendet wurde |
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323 | loop_until_bit_is_set(USR, UDRE); |
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324 | //Ausgabe des Zeichens |
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325 | UDR = c; |
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326 | |||
327 | return (0); |
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328 | } |
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329 | |||
330 | // -------------------------------------------------------------------------- |
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331 | void WriteProgramData(unsigned int pos, unsigned char wert) |
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332 | { |
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333 | //if (ProgramLocation == IN_RAM) Buffer[pos] = wert; |
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334 | // else eeprom_write_byte(&EE_Buffer[pos], wert); |
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335 | // Buffer[pos] = wert; |
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336 | } |
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337 | |||
338 | //############################################################################ |
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339 | //INstallation der Seriellen Schnittstelle |
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340 | void UART_Init (void) |
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341 | //############################################################################ |
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342 | { |
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343 | //Enable TXEN im Register UCR TX-Data Enable & RX Enable |
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344 | |||
345 | UCR=(1 << TXEN) | (1 << RXEN); |
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346 | // UART Double Speed (U2X) |
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347 | USR |= (1<<U2X); |
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348 | // RX-Interrupt Freigabe |
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349 | UCSRB |= (1<<RXCIE); |
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350 | // TX-Interrupt Freigabe |
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351 | UCSRB |= (1<<TXCIE); |
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352 | |||
353 | //Teiler wird gesetzt |
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354 | UBRR=(SYSCLK / (BAUD_RATE * 8L) - 1); |
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355 | //UBRR = 33; |
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356 | //öffnet einen Kanal für printf (STDOUT) |
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357 | //fdevopen (uart_putchar, 0); |
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358 | //sbi(PORTD,4); |
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359 | Debug_Timer = SetDelay(200); |
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360 | Kompass_Timer = SetDelay(220); |
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361 | } |
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362 | |||
363 | //--------------------------------------------------------------------------------------------- |
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364 | void DatenUebertragung(void) |
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365 | { |
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366 | if(!UebertragungAbgeschlossen) return; |
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367 | |||
368 | if(DebugGetAnforderung && UebertragungAbgeschlossen) // Bei Get werden die vom PC einstellbaren Werte vom PC zurückgelesen |
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369 | { |
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370 | SendOutData('G',MeineSlaveAdresse,(unsigned char *) &ExternControl,sizeof(ExternControl)); |
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371 | DebugGetAnforderung = 0; |
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372 | } |
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373 | |||
374 | if((CheckDelay(Kompass_Timer)) && UebertragungAbgeschlossen) |
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375 | { |
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376 | WinkelOut.Winkel[0] = (int) (IntegralNick / 108); // etwa in 0,1 Grad |
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377 | WinkelOut.Winkel[1] = (int) (IntegralRoll / 108); // etwa in 0,1 Grad |
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378 | WinkelOut.UserParameter[0] = Parameter_UserParam1; |
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379 | WinkelOut.UserParameter[1] = Parameter_UserParam2; |
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380 | SendOutData('w',MeineSlaveAdresse,(unsigned char *) &WinkelOut,sizeof(WinkelOut)); |
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381 | if(WinkelOut.CalcState > 4) WinkelOut.CalcState = 6; // wird dann in SPI auf Null gesetzt |
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382 | Kompass_Timer = SetDelay(99); |
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383 | } |
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384 | |||
385 | if((CheckDelay(Debug_Timer) || DebugDataAnforderung) && UebertragungAbgeschlossen) |
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386 | { |
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387 | SendOutData('D',MeineSlaveAdresse,(unsigned char *) &DebugOut,sizeof(DebugOut)); |
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388 | DebugDataAnforderung = 0; |
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389 | Debug_Timer = SetDelay(MIN_DEBUG_INTERVALL); |
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390 | } |
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391 | if(DebugTextAnforderung != 255) // Texte für die Analogdaten |
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392 | { |
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393 | SendOutData('A',DebugTextAnforderung + '0',(unsigned char *) ANALOG_TEXT[DebugTextAnforderung],16); |
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394 | DebugTextAnforderung = 255; |
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395 | } |
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396 | if(ConfirmFrame && UebertragungAbgeschlossen) // Datensatz ohne CRC bestätigen |
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397 | { |
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398 | SendeBuffer[0] = '#'; |
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399 | SendeBuffer[1] = ConfirmFrame; |
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400 | SendeBuffer[2] = '\r'; |
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401 | UebertragungAbgeschlossen = 0; |
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402 | ConfirmFrame = 0; |
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403 | UDR = SendeBuffer[0]; |
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404 | } |
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405 | if(DebugDisplayAnforderung && UebertragungAbgeschlossen) |
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406 | { |
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407 | Menu(); |
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408 | DebugDisplayAnforderung = 0; |
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409 | if(++RemotePollDisplayLine == 4 || NurKanalAnforderung) |
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410 | { |
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411 | SendOutData('4',0,(unsigned char *)&PPM_in,sizeof(PPM_in)); // DisplayZeile übertragen |
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412 | RemotePollDisplayLine = -1; |
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413 | } |
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414 | else SendOutData('0' + RemotePollDisplayLine,0,(unsigned char *)&DisplayBuff[20 * RemotePollDisplayLine],20); // DisplayZeile übertragen |
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415 | } |
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416 | if(GetVersionAnforderung && UebertragungAbgeschlossen) |
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417 | { |
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418 | SendOutData('V',MeineSlaveAdresse,(unsigned char *) &VersionInfo,sizeof(VersionInfo)); |
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419 | GetVersionAnforderung = 0; |
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420 | } |
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421 | |||
422 | } |
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423 |