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1 ingob 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 volatile char SioTmp = 0;
13
unsigned volatile char SendeBuffer[MAX_SENDE_BUFF];
14
unsigned volatile char RxdBuffer[MAX_EMPFANGS_BUFF];
15
unsigned volatile char NMEABuffer[MAX_EMPFANGS_BUFF];
16
unsigned volatile char NeuerDatensatzEmpfangen = 0;
17
unsigned volatile char NeueKoordinateEmpfangen = 0;
18
unsigned volatile char UebertragungAbgeschlossen = 1;
19
unsigned volatile char CntCrcError = 0;
20
unsigned volatile char AnzahlEmpfangsBytes = 0;
21
unsigned volatile char PC_DebugTimeout = 0;
22
unsigned char PcZugriff = 100;
23
unsigned char MotorTest[4] = {0,0,0,0};
24
unsigned char MeineSlaveAdresse;
25
struct str_DebugOut    DebugOut;
26
struct str_Debug       DebugIn;
27
struct str_VersionInfo VersionInfo;
28
int Debug_Timer;
352 salvo 29
//Salvo 26.10.2007
30
int dataset_cnt=0; //Zahelt die uebertragenen Debugdaten
31
//Salvo End
1 ingob 32
//+++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
33
//++ Sende-Part der Datenübertragung
34
//+++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
35
SIGNAL(INT_VEC_TX)
36
{
37
 static unsigned int ptr = 0;
38
 unsigned char tmp_tx;
39
 if(!UebertragungAbgeschlossen)  
40
  {
41
   ptr++;                    // die [0] wurde schon gesendet
42
   tmp_tx = SendeBuffer[ptr];  
43
   if((tmp_tx == '\r') || (ptr == MAX_SENDE_BUFF))
44
    {
45
     ptr = 0;
46
     UebertragungAbgeschlossen = 1;
47
    }
48
   UDR = tmp_tx;
49
  }
50
  else ptr = 0;
51
}
52
 
53
//+++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
54
//++ Empfangs-Part der Datenübertragung, incl. CRC-Auswertung
55
//+++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
56
SIGNAL(INT_VEC_RX)
57
{
58
 static unsigned int crc;
59
 static unsigned char crc1,crc2,buf_ptr;
60
 static unsigned char UartState = 0;
61
 unsigned char CrcOkay = 0;
62
 
63
 SioTmp = UDR;
352 salvo 64
 //Salvo 11.9.2007 GPS Daten holen
65
 Get_Ublox_Msg(SioTmp); // Daten vom GPS Modul holen
66
 // Salvo End
1 ingob 67
 if(buf_ptr >= MAX_EMPFANGS_BUFF)    UartState = 0;
68
 if(SioTmp == '\r' && UartState == 2)
69
  {
70
   UartState = 0;
71
   crc -= RxdBuffer[buf_ptr-2];
72
   crc -= RxdBuffer[buf_ptr-1];
73
   crc %= 4096;
74
   crc1 = '=' + crc / 64;
75
   crc2 = '=' + crc % 64;
76
   CrcOkay = 0;
77
   if((crc1 == RxdBuffer[buf_ptr-2]) && (crc2 == RxdBuffer[buf_ptr-1])) CrcOkay = 1; else { CrcOkay = 0; CntCrcError++;};
78
   if(!NeuerDatensatzEmpfangen && CrcOkay) // Datensatz schon verarbeitet
79
    {
80
     NeuerDatensatzEmpfangen = 1;
81
         AnzahlEmpfangsBytes = buf_ptr;
82
     RxdBuffer[buf_ptr] = '\r';
173 holgerb 83
         if(RxdBuffer[2] == 'R') wdt_enable(WDTO_250MS); // Reset-Commando
1 ingob 84
        }                                
85
  }
86
  else
87
  switch(UartState)
88
  {
89
   case 0:
90
          if(SioTmp == '#' && !NeuerDatensatzEmpfangen) UartState = 1;  // Startzeichen und Daten schon verarbeitet
91
                  buf_ptr = 0;
92
                  RxdBuffer[buf_ptr++] = SioTmp;
93
                  crc = SioTmp;
94
          break;
95
   case 1: // Adresse auswerten
96
                  UartState++;
97
                  RxdBuffer[buf_ptr++] = SioTmp;
98
                  crc += SioTmp;
99
                  break;
100
   case 2: //  Eingangsdaten sammeln
101
                  RxdBuffer[buf_ptr] = SioTmp;
102
                  if(buf_ptr < MAX_EMPFANGS_BUFF) buf_ptr++;
103
                  else UartState = 0;
104
                  crc += SioTmp;
105
                  break;
106
   default:
107
          UartState = 0;
108
          break;
109
  }
110
}
111
 
112
 
113
// --------------------------------------------------------------------------
114
void AddCRC(unsigned int wieviele)
115
{
116
 unsigned int tmpCRC = 0,i;
117
 for(i = 0; i < wieviele;i++)
118
  {
119
   tmpCRC += SendeBuffer[i];
120
  }
121
   tmpCRC %= 4096;
122
   SendeBuffer[i++] = '=' + tmpCRC / 64;
123
   SendeBuffer[i++] = '=' + tmpCRC % 64;
124
   SendeBuffer[i++] = '\r';
125
  UebertragungAbgeschlossen = 0;
126
  UDR = SendeBuffer[0];
127
}
128
 
129
 
130
 
131
// --------------------------------------------------------------------------
132
void SendOutData(unsigned char cmd,unsigned char modul, unsigned char *snd, unsigned char len)
133
{
134
 unsigned int pt = 0;
135
 unsigned char a,b,c;
136
 unsigned char ptr = 0;
137
 
138
 SendeBuffer[pt++] = '#';               // Startzeichen
139
 SendeBuffer[pt++] = modul;             // Adresse (a=0; b=1,...)
140
 SendeBuffer[pt++] = cmd;                       // Commando
141
 
142
 while(len)
143
  {
144
   if(len) { a = snd[ptr++]; len--;} else a = 0;
145
   if(len) { b = snd[ptr++]; len--;} else b = 0;
146
   if(len) { c = snd[ptr++]; len--;} else c = 0;
147
   SendeBuffer[pt++] = '=' + (a >> 2);
148
   SendeBuffer[pt++] = '=' + (((a & 0x03) << 4) | ((b & 0xf0) >> 4));
149
   SendeBuffer[pt++] = '=' + (((b & 0x0f) << 2) | ((c & 0xc0) >> 6));
150
   SendeBuffer[pt++] = '=' + ( c & 0x3f);
151
  }
152
 AddCRC(pt);
153
}
154
 
155
 
156
// --------------------------------------------------------------------------
157
void Decode64(unsigned char *ptrOut, unsigned char len, unsigned char ptrIn,unsigned char max)  // Wohin mit den Daten; Wie lang; Wo im RxdBuffer
158
{
159
 unsigned char a,b,c,d;
160
 unsigned char ptr = 0;
161
 unsigned char x,y,z;
162
 while(len)
163
  {
164
   a = RxdBuffer[ptrIn++] - '=';
165
   b = RxdBuffer[ptrIn++] - '=';
166
   c = RxdBuffer[ptrIn++] - '=';
167
   d = RxdBuffer[ptrIn++] - '=';
168
   if(ptrIn > max - 2) break;     // nicht mehr Daten verarbeiten, als empfangen wurden
169
 
170
   x = (a << 2) | (b >> 4);
171
   y = ((b & 0x0f) << 4) | (c >> 2);
172
   z = ((c & 0x03) << 6) | d;
173
 
174
   if(len--) ptrOut[ptr++] = x; else break;
175
   if(len--) ptrOut[ptr++] = y; else break;
176
   if(len--) ptrOut[ptr++] = z; else break;
177
  }
178
 
179
}
180
 
181
// --------------------------------------------------------------------------
182
void BearbeiteRxDaten(void)
183
{
184
 if(!NeuerDatensatzEmpfangen) return;
185
 
186
 unsigned int tmp_int_arr1[1];
187
 unsigned int tmp_int_arr2[2];
188
 unsigned int tmp_int_arr3[3];
189
 unsigned char tmp_char_arr2[2];
190
 unsigned char tmp_char_arr3[3];
191
 unsigned char tmp_char_arr4[4];
192
 //if(!MotorenEin) 
193
 PcZugriff = 255;
194
  switch(RxdBuffer[2])
195
  {
196
   case 'c':// Debugdaten incl. Externe IOs usw 
197
                        Decode64((unsigned char *) &DebugIn,sizeof(DebugIn),3,AnzahlEmpfangsBytes);
198
/*              for(unsigned char i=0; i<4;i++)
199
                         {
200
              EE_CheckAndWrite(&EE_Buffer[EE_DEBUGWERTE + i*2],     DebugIn.Analog[i]);
201
                          EE_CheckAndWrite(&EE_Buffer[EE_DEBUGWERTE + i*2 + 1], DebugIn.Analog[i] >> 8);       
202
                         }*/
173 holgerb 203
                        //RemoteTasten |= DebugIn.RemoteTasten;
1 ingob 204
            DebugDataAnforderung = 1;
205
            break;
206
 
207
   case 'h':// x-1 Displayzeilen
208
            Decode64((unsigned char *) &tmp_char_arr2[0],sizeof(tmp_char_arr2),3,AnzahlEmpfangsBytes);
209
            RemoteTasten |= tmp_char_arr2[0];
210
                        DebugDisplayAnforderung = 1;
211
                        break;
212
   case 't':// Motortest
213
            Decode64((unsigned char *) &MotorTest[0],sizeof(MotorTest),3,AnzahlEmpfangsBytes);
214
                        break;
215
   case 'v': // Version-Anforderung     und Ausbaustufe
216
            GetVersionAnforderung = 1;
217
            break;                                                               
218
   case 'g':// "Get"-Anforderung für Debug-Daten 
219
            // Bei Get werden die vom PC einstellbaren Werte vom PC zurückgelesen
220
            DebugGetAnforderung = 1;
221
            break;
222
   case 'q':// "Get"-Anforderung für Settings
223
            // Bei Get werden die vom PC einstellbaren Werte vom PC zurückgelesen
224
            Decode64((unsigned char *) &tmp_char_arr2[0],sizeof(tmp_char_arr2),3,AnzahlEmpfangsBytes);
225
            if(tmp_char_arr2[0] != 0xff)
226
             {
227
                          if(tmp_char_arr2[0] > 5) tmp_char_arr2[0] = 5;
228
                  ReadParameterSet(tmp_char_arr2[0], (unsigned char *) &EE_Parameter.Kanalbelegung[0], STRUCT_PARAM_LAENGE);                   
229
                  SendOutData('L' + tmp_char_arr2[0] -1,MeineSlaveAdresse,(unsigned char *) &EE_Parameter.Kanalbelegung[0],STRUCT_PARAM_LAENGE);
230
             }
231
             else
232
                  SendOutData('L' + GetActiveParamSetNumber()-1,MeineSlaveAdresse,(unsigned char *) &EE_Parameter.Kanalbelegung[0],STRUCT_PARAM_LAENGE);
233
 
234
            break;
235
 
236
   case 'l':
237
   case 'm':
238
   case 'n':
239
   case 'o':
240
   case 'p': // Parametersatz speichern
241
            Decode64((unsigned char *) &EE_Parameter.Kanalbelegung[0],STRUCT_PARAM_LAENGE,3,AnzahlEmpfangsBytes);
242
                        WriteParameterSet(RxdBuffer[2] - 'l' + 1, (unsigned char *) &EE_Parameter.Kanalbelegung[0], STRUCT_PARAM_LAENGE);
243
            eeprom_write_byte(&EEPromArray[EEPROM_ADR_ACTIVE_SET], RxdBuffer[2] - 'l' + 1);  // aktiven Datensatz merken
244
            Piep(GetActiveParamSetNumber());
245
         break;
246
 
247
 
248
  }
249
// DebugOut.AnzahlZyklen =  Debug_Timer_Intervall;
250
 NeuerDatensatzEmpfangen = 0;
251
}
252
 
253
//############################################################################
254
//Routine für die Serielle Ausgabe
255
int uart_putchar (char c)
256
//############################################################################
257
{
258
        if (c == '\n')
259
                uart_putchar('\r');
260
        //Warten solange bis Zeichen gesendet wurde
261
        loop_until_bit_is_set(USR, UDRE);
262
        //Ausgabe des Zeichens
263
        UDR = c;
264
 
265
        return (0);
266
}
267
 
268
// --------------------------------------------------------------------------
269
void WriteProgramData(unsigned int pos, unsigned char wert)
270
{
271
  //if (ProgramLocation == IN_RAM) Buffer[pos] = wert;
272
  // else eeprom_write_byte(&EE_Buffer[pos], wert);
273
  // Buffer[pos] = wert;
274
}
275
 
276
//############################################################################
277
//INstallation der Seriellen Schnittstelle
278
void UART_Init (void)
279
//############################################################################
280
{
281
        //Enable TXEN im Register UCR TX-Data Enable & RX Enable
282
 
283
        UCR=(1 << TXEN) | (1 << RXEN);
284
    // UART Double Speed (U2X)
285
        USR   |= (1<<U2X);          
286
        // RX-Interrupt Freigabe
287
        UCSRB |= (1<<RXCIE);          
288
        // TX-Interrupt Freigabe
289
        UCSRB |= (1<<TXCIE);          
290
 
291
        //Teiler wird gesetzt 
292
        UBRR=(SYSCLK / (BAUD_RATE * 8L) - 1);
293
        //UBRR = 33;
294
        //öffnet einen Kanal für printf (STDOUT)
295
        //fdevopen (uart_putchar, 0);
296
        //sbi(PORTD,4);
297
  Debug_Timer = SetDelay(200);  
298
}
299
 
300
//---------------------------------------------------------------------------------------------
301
void DatenUebertragung(void)  
302
{
303
 static char dis_zeile = 0;
304
 if(!UebertragungAbgeschlossen) return;
305
 
306
   if(DebugGetAnforderung && UebertragungAbgeschlossen)               // Bei Get werden die vom PC einstellbaren Werte vom PC zurückgelesen
307
   {
308
      SendOutData('G',MeineSlaveAdresse,(unsigned char *) &DebugIn,sizeof(DebugIn));
309
          DebugGetAnforderung = 0;
310
   }
311
 
312
    if((CheckDelay(Debug_Timer) || DebugDataAnforderung) && UebertragungAbgeschlossen)  
313
         {
314
          SendOutData('D',MeineSlaveAdresse,(unsigned char *) &DebugOut,sizeof(DebugOut));
315
          DebugDataAnforderung = 0;
352 salvo 316
                  //Salvo 26.10.2007  Counter fuer Erkennung von fehlenden Daten per Bluetoothuebertragung
317
                  dataset_cnt++;
318
                  // Salvo End
1 ingob 319
          Debug_Timer = SetDelay(MIN_DEBUG_INTERVALL);  
320
         }
321
 
322
     if(DebugDisplayAnforderung && UebertragungAbgeschlossen)
323
         {
324
      Menu();
325
          DebugDisplayAnforderung = 0;
173 holgerb 326
      if(++dis_zeile == 4)
327
      {
328
       SendOutData('4',0,&PPM_in,sizeof(PPM_in));   // DisplayZeile übertragen
329
       dis_zeile = -1;
330
      }
331
      else  SendOutData('0' + dis_zeile,0,&DisplayBuff[20 * dis_zeile],20);   // DisplayZeile übertragen
1 ingob 332
         }
333
    if(GetVersionAnforderung && UebertragungAbgeschlossen)
334
     {
335
      SendOutData('V',MeineSlaveAdresse,(unsigned char *) &VersionInfo,sizeof(VersionInfo));
336
          GetVersionAnforderung = 0;
337
     }
338
 
339
}
340