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716 Nick666 1
// ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
2
// + Copyright (c) 04.2007 Holger Buss
3
// + only for non-profit use
4
// + www.MikroKopter.com
5
// + see the File "License.txt" for further Informations
6
// ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
7
 
8
#include "main.h"
9
#include "uart.h"
10
 
11
unsigned char DebugGetAnforderung = 0,DebugDisplayAnforderung = 0,DebugDataAnforderung = 0,GetVersionAnforderung = 0;
12
unsigned char SendeBuffer[MAX_SENDE_BUFF];
13
unsigned char RxdBuffer[MAX_EMPFANGS_BUFF];
14
unsigned volatile char NMEABuffer[MAX_EMPFANGS_BUFF];
15
unsigned volatile char NeuerDatensatzEmpfangen = 0;
16
unsigned volatile char NeueKoordinateEmpfangen = 0;
17
unsigned volatile char UebertragungAbgeschlossen = 1;
18
unsigned volatile char CntCrcError = 0;
19
unsigned volatile char AnzahlEmpfangsBytes = 0;
20
unsigned volatile char PC_DebugTimeout = 0;
21
unsigned char RemotePollDisplayLine = 0;
22
unsigned char NurKanalAnforderung = 0;
23
unsigned char DebugTextAnforderung = 255;
24
unsigned char PcZugriff = 100;
25
unsigned char MotorTest[4] = {0,0,0,0};
26
unsigned char DubWiseKeys[4] = {0,0,0,0};
27
unsigned char MeineSlaveAdresse;
28
unsigned char ConfirmFrame;
29
struct str_DebugOut    DebugOut;
30
struct str_ExternControl  ExternControl;
31
struct str_VersionInfo VersionInfo;
32
int Debug_Timer;
33
 
34
const unsigned char ANALOG_TEXT[32][16] =
35
{
36
   //1234567890123456 
37
    "IntegralNick    ", //0
38
    "IntegralRoll    ",
39
    "AccNick         ",
40
    "AccRoll         ",
41
    "GyroGier        ",
42
    "HoehenWert      ", //5
43
    "AccZ            ",
44
    "Gas             ",
45
    "KompassValue    ",
46
    "Spannung        ",
47
    "Empfang         ", //10
48
    "Analog11        ",
49
    "Motor_Vorne     ",
50
    "Motor_Hinten    ",
51
    "Motor_Links     ",
52
    "Motor_Rechts    ", //15
53
    "Acc_Z           ",
54
    "MittelAccNick   ",
55
    "MittelAccRoll   ",
56
    "IntegralErrNick ",
57
    "IntegralErrRoll ", //20
58
    "MittelIntNick   ",
59
    "MittelIntRoll       ",
60
    "NeutralNick     ",
61
    "RollOffset      ",
62
    "IntRoll*Faktor  ", //25
63
    "Analog26        ",
64
    "DirektAusglRoll ",
65
    "MesswertRoll    ",
66
    "AusgleichRoll   ",
67
    "I-LageRoll      ", //30
68
    "StickRoll       "
69
};
70
 
71
 
72
 
73
//+++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
74
//++ Sende-Part der Datenübertragung
75
//+++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
76
SIGNAL(INT_VEC_TX)
77
{
78
 static unsigned int ptr = 0;
79
 unsigned char tmp_tx;
80
 if(!UebertragungAbgeschlossen)  
81
  {
82
   ptr++;                    // die [0] wurde schon gesendet
83
   tmp_tx = SendeBuffer[ptr];  
84
   if((tmp_tx == '\r') || (ptr == MAX_SENDE_BUFF))
85
    {
86
     ptr = 0;
87
     UebertragungAbgeschlossen = 1;
88
    }
89
   UDR = tmp_tx;
90
  }
91
  else ptr = 0;
92
}
93
 
94
//+++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
95
//++ Empfangs-Part der Datenübertragung, incl. CRC-Auswertung
96
//+++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
97
SIGNAL(INT_VEC_RX)
98
{
99
 static unsigned int crc;
100
 static unsigned char crc1,crc2,buf_ptr;
101
 static unsigned char UartState = 0;
102
 unsigned char SioTmp;
103
 
740 Nick666 104
 SioTmp = UDR;
105
 
106
 if(EE_Parameter.GlobalConfig & CFG_GPS_AKTIV) ubx_parser(SioTmp);      // GPS UBX-Protokoll Parser
107
 
716 Nick666 108
 if(buf_ptr >= MAX_EMPFANGS_BUFF)    UartState = 0;
109
if(buf_ptr == 0)
110
 {
111
 if(SioTmp == '#' && !NeuerDatensatzEmpfangen) buf_ptr = 1; // Startzeichen und Daten schon verarbeitet
112
 RxdBuffer[0] = SioTmp;
113
 crc = SioTmp;
114
 }
115
#if 0
116
 else if ((buf_ptr == 1) // Adresse auswerten
117
 {
118
 RxdBuffer[buf_ptr++] = SioTmp;
119
 crc += SioTmp;
120
 }
121
#endif
122
 else if (/*(buf_ptr > 0) && */(buf_ptr < MAX_EMPFANGS_BUFF))
123
 { // Eingangsdaten sammeln
124
 if(SioTmp != '\r')
125
 {
126
 RxdBuffer[buf_ptr++] = SioTmp;
127
 crc += SioTmp;
128
 }
129
 else
130
 {
131
 crc -= RxdBuffer[buf_ptr-2];
132
 crc -= RxdBuffer[buf_ptr-1];
133
 crc %= 4096;
134
 crc1 = '=' + crc / 64;
135
 crc2 = '=' + crc % 64;
136
 // CrcOkay = 0;
137
 if((crc1 == RxdBuffer[buf_ptr-2]) && (crc2 == RxdBuffer[buf_ptr-1]))
138
 {
139
 if(!NeuerDatensatzEmpfangen) // Datensatz schon verarbeitet
140
 {
141
 NeuerDatensatzEmpfangen = 1;
142
 AnzahlEmpfangsBytes = buf_ptr;
143
 RxdBuffer[buf_ptr] = '\r';
144
 if(RxdBuffer[2] == 'R') wdt_enable(WDTO_250MS); // Reset-Commando
145
 }
146
 }
147
 else { CntCrcError++;}
148
 buf_ptr = 0;
149
 }
150
 }
151
 else
152
 {
153
 buf_ptr = 0;
154
 }
155
}
156
 
157
 
158
// --------------------------------------------------------------------------
159
void AddCRC(unsigned int wieviele)
160
{
161
 unsigned int tmpCRC = 0,i;
162
 for(i = 0; i < wieviele;i++)
163
  {
164
   tmpCRC += SendeBuffer[i];
165
  }
166
   tmpCRC %= 4096;
167
   SendeBuffer[i++] = '=' + tmpCRC / 64;
168
   SendeBuffer[i++] = '=' + tmpCRC % 64;
169
   SendeBuffer[i++] = '\r';
170
  UebertragungAbgeschlossen = 0;
171
  UDR = SendeBuffer[0];
172
}
173
 
174
 
175
 
176
// --------------------------------------------------------------------------
177
void SendOutData(unsigned char cmd,unsigned char modul, unsigned char *snd, unsigned char len)
178
{
179
 unsigned int pt = 0;
180
 unsigned char a,b,c;
181
 unsigned char ptr = 0;
182
 
183
 SendeBuffer[pt++] = '#';               // Startzeichen
184
 SendeBuffer[pt++] = modul;             // Adresse (a=0; b=1,...)
185
 SendeBuffer[pt++] = cmd;                       // Commando
186
 
187
 while(len)
188
  {
189
   if(len) { a = snd[ptr++]; len--;} else a = 0;
190
   if(len) { b = snd[ptr++]; len--;} else b = 0;
191
   if(len) { c = snd[ptr++]; len--;} else c = 0;
192
   SendeBuffer[pt++] = '=' + (a >> 2);
193
   SendeBuffer[pt++] = '=' + (((a & 0x03) << 4) | ((b & 0xf0) >> 4));
194
   SendeBuffer[pt++] = '=' + (((b & 0x0f) << 2) | ((c & 0xc0) >> 6));
195
   SendeBuffer[pt++] = '=' + ( c & 0x3f);
196
  }
197
 AddCRC(pt);
198
}
199
 
200
 
201
// --------------------------------------------------------------------------
202
void Decode64(unsigned char *ptrOut, unsigned char len, unsigned char ptrIn,unsigned char max)  // Wohin mit den Daten; Wie lang; Wo im RxdBuffer
203
{
204
 unsigned char a,b,c,d;
205
 unsigned char ptr = 0;
206
 unsigned char x,y,z;
207
 while(len)
208
  {
209
   a = RxdBuffer[ptrIn++] - '=';
210
   b = RxdBuffer[ptrIn++] - '=';
211
   c = RxdBuffer[ptrIn++] - '=';
212
   d = RxdBuffer[ptrIn++] - '=';
213
   if(ptrIn > max - 2) break;     // nicht mehr Daten verarbeiten, als empfangen wurden
214
 
215
   x = (a << 2) | (b >> 4);
216
   y = ((b & 0x0f) << 4) | (c >> 2);
217
   z = ((c & 0x03) << 6) | d;
218
 
219
   if(len--) ptrOut[ptr++] = x; else break;
220
   if(len--) ptrOut[ptr++] = y; else break;
221
   if(len--) ptrOut[ptr++] = z; else break;
222
  }
223
 
224
}
225
 
226
// --------------------------------------------------------------------------
227
void BearbeiteRxDaten(void)
228
{
229
 if(!NeuerDatensatzEmpfangen) return;
230
 
231
// unsigned int tmp_int_arr1[1];
232
// unsigned int tmp_int_arr2[2];
233
// unsigned int tmp_int_arr3[3];
234
 unsigned char tmp_char_arr2[2];
235
// unsigned char tmp_char_arr3[3];
236
// unsigned char tmp_char_arr4[4];
237
 //if(!MotorenEin) 
238
 PcZugriff = 255;
239
  switch(RxdBuffer[2])
240
  {
241
   case 'a':// Texte der Analogwerte
242
            Decode64((unsigned char *) &tmp_char_arr2[0],sizeof(tmp_char_arr2),3,AnzahlEmpfangsBytes);
243
            DebugTextAnforderung = tmp_char_arr2[0];
244
                        break;
245
   case 'b':
246
                        Decode64((unsigned char *) &ExternControl,sizeof(ExternControl),3,AnzahlEmpfangsBytes);
247
                        RemoteTasten |= ExternControl.RemoteTasten;
248
            ConfirmFrame = ExternControl.Frame;
249
            break;
250
   case 'c':
251
                        Decode64((unsigned char *) &ExternControl,sizeof(ExternControl),3,AnzahlEmpfangsBytes);
252
                        RemoteTasten |= ExternControl.RemoteTasten;
253
            ConfirmFrame = ExternControl.Frame;
254
            DebugDataAnforderung = 1;
255
            break;
256
   case 'h':// x-1 Displayzeilen
257
            Decode64((unsigned char *) &tmp_char_arr2[0],sizeof(tmp_char_arr2),3,AnzahlEmpfangsBytes);
258
            RemoteTasten |= tmp_char_arr2[0];
259
                        if(tmp_char_arr2[1] == 255) NurKanalAnforderung = 1; else NurKanalAnforderung = 0; // keine Displaydaten
260
                        DebugDisplayAnforderung = 1;
261
                        break;
262
   case 't':// Motortest
263
            Decode64((unsigned char *) &MotorTest[0],sizeof(MotorTest),3,AnzahlEmpfangsBytes);
264
                        break;
265
   case 'k':// Keys von DubWise
266
            Decode64((unsigned char *) &DubWiseKeys[0],sizeof(DubWiseKeys),3,AnzahlEmpfangsBytes);
267
                        ConfirmFrame = DubWiseKeys[3];
268
                        break;
269
   case 'v': // Version-Anforderung     und Ausbaustufe
270
            GetVersionAnforderung = 1;
271
            break;                                                               
272
   case 'g':// "Get"-Anforderung für Debug-Daten 
273
            // Bei Get werden die vom PC einstellbaren Werte vom PC zurückgelesen
274
            DebugGetAnforderung = 1;
275
            break;
276
   case 'q':// "Get"-Anforderung für Settings
277
            // Bei Get werden die vom PC einstellbaren Werte vom PC zurückgelesen
278
            Decode64((unsigned char *) &tmp_char_arr2[0],sizeof(tmp_char_arr2),3,AnzahlEmpfangsBytes);
279
            if(tmp_char_arr2[0] != 0xff)
280
             {
281
                          if(tmp_char_arr2[0] > 5) tmp_char_arr2[0] = 5;
282
                  ReadParameterSet(tmp_char_arr2[0], (unsigned char *) &EE_Parameter.Kanalbelegung[0], sizeof(struct mk_param_struct));                
283
                  SendOutData('L' + tmp_char_arr2[0] -1,MeineSlaveAdresse,(unsigned char *) &EE_Parameter.Kanalbelegung[0],sizeof(struct mk_param_struct));
284
             }
285
             else
286
                  SendOutData('L' + GetActiveParamSetNumber()-1,MeineSlaveAdresse,(unsigned char *) &EE_Parameter.Kanalbelegung[0],sizeof(struct mk_param_struct));
287
 
288
            break;
289
 
290
   case 'l':
291
   case 'm':
292
   case 'n':
293
   case 'o':
294
   case 'p': // Parametersatz speichern
295
            Decode64((unsigned char *) &EE_Parameter.Kanalbelegung[0],sizeof(struct mk_param_struct),3,AnzahlEmpfangsBytes);
296
                        WriteParameterSet(RxdBuffer[2] - 'l' + 1, (unsigned char *) &EE_Parameter.Kanalbelegung[0], sizeof(struct mk_param_struct));
297
            eeprom_write_byte(&EEPromArray[EEPROM_ADR_ACTIVE_SET], RxdBuffer[2] - 'l' + 1);  // aktiven Datensatz merken
298
            Umschlag180Nick = (long) EE_Parameter.WinkelUmschlagNick * 2500L;
299
            Umschlag180Roll = (long) EE_Parameter.WinkelUmschlagRoll * 2500L;
300
            Piep(GetActiveParamSetNumber());
301
         break;
302
 
303
 
304
  }
305
// DebugOut.AnzahlZyklen =  Debug_Timer_Intervall;
306
 NeuerDatensatzEmpfangen = 0;
307
}
308
 
309
//############################################################################
310
//Routine für die Serielle Ausgabe
311
int uart_putchar (char c)
312
//############################################################################
313
{
314
        if (c == '\n')
315
                uart_putchar('\r');
316
        //Warten solange bis Zeichen gesendet wurde
317
        loop_until_bit_is_set(USR, UDRE);
318
        //Ausgabe des Zeichens
319
        UDR = c;
320
 
321
        return (0);
322
}
323
 
324
// --------------------------------------------------------------------------
325
void WriteProgramData(unsigned int pos, unsigned char wert)
326
{
327
  //if (ProgramLocation == IN_RAM) Buffer[pos] = wert;
328
  // else eeprom_write_byte(&EE_Buffer[pos], wert);
329
  // Buffer[pos] = wert;
330
}
331
 
332
//############################################################################
333
//INstallation der Seriellen Schnittstelle
334
void UART_Init (void)
335
//############################################################################
336
{
337
        //Enable TXEN im Register UCR TX-Data Enable & RX Enable
338
 
339
        UCR=(1 << TXEN) | (1 << RXEN);
340
    // UART Double Speed (U2X)
341
        USR   |= (1<<U2X);          
342
        // RX-Interrupt Freigabe
343
        UCSRB |= (1<<RXCIE);          
344
        // TX-Interrupt Freigabe
345
        UCSRB |= (1<<TXCIE);          
346
 
347
        //Teiler wird gesetzt 
348
        UBRR=(SYSCLK / (BAUD_RATE * 8L) - 1);
349
        //UBRR = 33;
350
        //öffnet einen Kanal für printf (STDOUT)
351
        //fdevopen (uart_putchar, 0);
352
        //sbi(PORTD,4);
353
  Debug_Timer = SetDelay(200);  
354
}
355
 
356
//---------------------------------------------------------------------------------------------
357
void DatenUebertragung(void)  
358
{
359
 if(!UebertragungAbgeschlossen) return;
360
 
361
   if(DebugGetAnforderung && UebertragungAbgeschlossen)               // Bei Get werden die vom PC einstellbaren Werte vom PC zurückgelesen
362
   {
363
      SendOutData('G',MeineSlaveAdresse,(unsigned char *) &ExternControl,sizeof(ExternControl));
364
          DebugGetAnforderung = 0;
365
   }
366
 
367
    if((CheckDelay(Debug_Timer) || DebugDataAnforderung) && UebertragungAbgeschlossen)  
368
         {
369
          SendOutData('D',MeineSlaveAdresse,(unsigned char *) &DebugOut,sizeof(DebugOut));
370
          DebugDataAnforderung = 0;
371
          Debug_Timer = SetDelay(MIN_DEBUG_INTERVALL);  
372
         }
373
    if(DebugTextAnforderung != 255) // Texte für die Analogdaten
374
     {
375
      SendOutData('A',DebugTextAnforderung + '0',(unsigned char *) ANALOG_TEXT[DebugTextAnforderung],16);
376
      DebugTextAnforderung = 255;
377
         }
378
     if(ConfirmFrame && UebertragungAbgeschlossen)   // Datensatz ohne CRC bestätigen 
379
         {
380
      SendeBuffer[0] = '#';
381
      SendeBuffer[1] = ConfirmFrame;
382
      SendeBuffer[2] = '\r';
383
      UebertragungAbgeschlossen = 0;
384
      ConfirmFrame = 0;
385
      UDR = SendeBuffer[0];
386
     }
387
     if(DebugDisplayAnforderung && UebertragungAbgeschlossen)
388
         {
389
      Menu();
390
          DebugDisplayAnforderung = 0;
391
      if(++RemotePollDisplayLine == 4 || NurKanalAnforderung)
392
      {
393
       SendOutData('4',0,(unsigned char *)&PPM_in,sizeof(PPM_in));   // DisplayZeile übertragen
394
       RemotePollDisplayLine = -1;
395
      }
396
      else  SendOutData('0' + RemotePollDisplayLine,0,(unsigned char *)&DisplayBuff[20 * RemotePollDisplayLine],20);   // DisplayZeile übertragen
397
         }
398
    if(GetVersionAnforderung && UebertragungAbgeschlossen)
399
     {
400
      SendOutData('V',MeineSlaveAdresse,(unsigned char *) &VersionInfo,sizeof(VersionInfo));
401
          GetVersionAnforderung = 0;
402
     }
403
 
404
}
405