Subversion Repositories NaviCtrl

Rev

Rev 304 | Details | Compare with Previous | Last modification | View Log | RSS feed

Rev Author Line No. Line
41 ingob 1
/*#######################################################################################*/
2
/* !!! THIS IS NOT FREE SOFTWARE !!!                                                     */
3
/*#######################################################################################*/
4
// ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
5
// + Copyright (c) 2008 Ingo Busker, Holger Buss
171 ingob 6
// + Nur für den privaten Gebrauch / NON-COMMERCIAL USE ONLY
41 ingob 7
// + FOR NON COMMERCIAL USE ONLY
8
// + www.MikroKopter.com
9
// ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
10
// + Es gilt für das gesamte Projekt (Hardware, Software, Binärfiles, Sourcecode und Dokumentation),
11
// + dass eine Nutzung (auch auszugsweise) nur für den privaten (nicht-kommerziellen) Gebrauch zulässig ist.
12
// + Sollten direkte oder indirekte kommerzielle Absichten verfolgt werden, ist mit uns (info@mikrokopter.de) Kontakt
13
// + bzgl. der Nutzungsbedingungen aufzunehmen.
14
// + Eine kommerzielle Nutzung ist z.B.Verkauf von MikroKoptern, Bestückung und Verkauf von Platinen oder Bausätzen,
15
// + Verkauf von Luftbildaufnahmen, usw.
16
// ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
17
// + Werden Teile des Quellcodes (mit oder ohne Modifikation) weiterverwendet oder veröffentlicht,
18
// + unterliegen sie auch diesen Nutzungsbedingungen und diese Nutzungsbedingungen incl. Copyright müssen dann beiliegen
19
// ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
20
// + Sollte die Software (auch auszugesweise) oder sonstige Informationen des MikroKopter-Projekts
21
// + auf anderen Webseiten oder sonstigen Medien veröffentlicht werden, muss unsere Webseite "http://www.mikrokopter.de"
22
// + eindeutig als Ursprung verlinkt werden
23
// ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
24
// + Keine Gewähr auf Fehlerfreiheit, Vollständigkeit oder Funktion
25
// + Benutzung auf eigene Gefahr
26
// + Wir übernehmen keinerlei Haftung für direkte oder indirekte Personen- oder Sachschäden
27
// ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
171 ingob 28
// + Die Portierung oder Nutzung der Software (oder Teile davon) auf andere Systeme (ausser der Hardware von www.mikrokopter.de) ist nur
41 ingob 29
// + mit unserer Zustimmung zulässig
30
// ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
31
// + Die Funktion printf_P() unterliegt ihrer eigenen Lizenz und ist hiervon nicht betroffen
32
// ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
33
// + Redistributions of source code (with or without modifications) must retain the above copyright notice,
34
// + this list of conditions and the following disclaimer.
35
// +   * Neither the name of the copyright holders nor the names of contributors may be used to endorse or promote products derived
36
// +     from this software without specific prior written permission.
37
// +   * The use of this project (hardware, software, binary files, sources and documentation) is only permitted
38
// +     for non-commercial use (directly or indirectly)
39
// +     Commercial use (for excample: selling of MikroKopters, selling of PCBs, assembly, ...) is only permitted
40
// +     with our written permission
41
// +   * If sources or documentations are redistributet on other webpages, out webpage (http://www.MikroKopter.de) must be
42
// +     clearly linked as origin
171 ingob 43
// +   * porting the sources to other systems or using the software on other systems (except hardware from www.mikrokopter.de) is not allowed
41 ingob 44
//
45
// +  THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
46
// +  AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
47
// +  IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
48
// +  ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
49
// +  LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
50
// +  CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
51
// +  SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
52
// +  INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
53
// +  CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
54
// +  ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
55
// +  POSSIBILITY OF SUCH DAMAGE.
56
// ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
110 killagreg 57
#include <stdio.h>
58
#include <stdarg.h>
116 killagreg 59
#include <string.h>
41 ingob 60
#include "91x_lib.h"
136 killagreg 61
#include "config.h"
110 killagreg 62
#include "main.h"
49 ingob 63
#include "uart0.h"
41 ingob 64
#include "uart1.h"
119 killagreg 65
#include "timer1.h"
41 ingob 66
#include "ubx.h"
110 killagreg 67
#include "mkprotocol.h"
41 ingob 68
 
116 killagreg 69
 
41 ingob 70
//------------------------------------------------------------------------------------
71
// global variables
72
 
116 killagreg 73
MKOSD_VersionInfo_t MKOSD_VersionInfo;
74
 
41 ingob 75
// UART0 MUXER
76
UART0_MuxerState_t UART0_Muxer = UART0_UNDEF;
110 killagreg 77
u16 Uart0Baudrate = UART0_BAUD_RATE;
78
u16 Uart0MK3MagBaudrate = UART0_BAUD_RATE;
41 ingob 79
 
110 killagreg 80
// the tx buffer
247 killagreg 81
#define UART0_TX_BUFFER_LEN  150
110 killagreg 82
u8 UART0_tbuffer[UART0_TX_BUFFER_LEN];
83
Buffer_t UART0_tx_buffer;
49 ingob 84
 
110 killagreg 85
// the rx buffer
247 killagreg 86
#define UART0_RX_BUFFER_LEN  150
110 killagreg 87
u8 UART0_rbuffer[UART0_RX_BUFFER_LEN];
88
Buffer_t UART0_rx_buffer;
89
 
116 killagreg 90
u8 UART0_Request_VersionInfo    = FALSE;
91
u8 UART0_Request_NaviData               = FALSE;
117 killagreg 92
u8 UART0_Request_ErrorMessage   = FALSE;
116 killagreg 93
u32 UART0_NaviData_Timer;
94
u32 UART0_NaviData_Interval = 0;        // in ms
110 killagreg 95
 
41 ingob 96
//------------------------------------------------------------------------------------
97
// functions
98
 
99
/********************************************************/
245 killagreg 100
/*              Configure uart 0                        */
101
/********************************************************/
102
void UART0_Configure(u16 Baudrate)
103
{
104
        UART_InitTypeDef UART_InitStructure;
105
 
106
        SCU_APBPeriphClockConfig(__UART0, ENABLE);  // Enable the UART0 Clock
107
 
108
        /* UART0 configured as follow:
109
          - Word Length = 8 Bits
110
          - One Stop Bit
111
          - No parity
112
          - BaudRate taken from function argument
113
          - Hardware flow control Disabled
114
          - Receive and transmit enabled
115
          - Receive and transmit FIFOs are Disabled
116
    */
117
        UART_StructInit(&UART_InitStructure);
118
    UART_InitStructure.UART_WordLength =                        UART_WordLength_8D;
119
    UART_InitStructure.UART_StopBits =                          UART_StopBits_1;
120
    UART_InitStructure.UART_Parity =                            UART_Parity_No ;
121
    UART_InitStructure.UART_BaudRate =                          Baudrate;
122
    UART_InitStructure.UART_HardwareFlowControl =       UART_HardwareFlowControl_None;
123
    UART_InitStructure.UART_Mode =                                      UART_Mode_Tx_Rx;
124
    UART_InitStructure.UART_FIFO =                                      UART_FIFO_Enable;
125
    UART_InitStructure.UART_TxFIFOLevel =                       UART_FIFOLevel_1_2;
126
    UART_InitStructure.UART_RxFIFOLevel =                       UART_FIFOLevel_1_2;
127
 
128
        UART_DeInit(UART0);     // reset uart 0 to default
129
    UART_Init(UART0, &UART_InitStructure);  // initialize uart 0
130
 
131
        // enable uart 0 interrupts selective
132
    UART_ITConfig(UART0, UART_IT_Receive | UART_IT_ReceiveTimeOut  /*| UART_IT_FrameError*/, ENABLE);
133
        UART_Cmd(UART0, ENABLE); // enable uart 0
134
        // configure the uart 0 interupt line
135
        VIC_Config(UART0_ITLine, VIC_IRQ, PRIORITY_UART0);
136
        // enable the uart 0 IRQ
137
        VIC_ITCmd(UART0_ITLine, ENABLE);
138
}
139
 
140
/********************************************************/
41 ingob 141
/*              Connect RXD & TXD to GPS                */
142
/********************************************************/
245 killagreg 143
void UART0_Connect_to_MKGPS(u16 Baudrate)
41 ingob 144
{
145
        GPIO_InitTypeDef GPIO_InitStructure;
146
 
147
        UART0_Muxer = UART0_UNDEF;
148
 
149
        SCU_APBPeriphClockConfig(__GPIO6, ENABLE); // Enable the GPIO6 Clock
150
        // unmap UART0 from Compass
151
        // set port pin 5.1 (serial data from compass) to input and disconnect from IP
152
        GPIO_StructInit(&GPIO_InitStructure);
153
        GPIO_InitStructure.GPIO_Direction =     GPIO_PinInput;
154
    GPIO_InitStructure.GPIO_Pin =                       GPIO_Pin_1;
155
    GPIO_InitStructure.GPIO_Type =                      GPIO_Type_PushPull ;
196 killagreg 156
    GPIO_InitStructure.GPIO_IPInputConnected =  GPIO_IPInputConnected_Disable;
41 ingob 157
    GPIO_InitStructure.GPIO_Alternate =         GPIO_InputAlt1;
158
    GPIO_Init(GPIO5, &GPIO_InitStructure);
159
        // set port pin 5.0 (serial data to compass) to input
160
        GPIO_StructInit(&GPIO_InitStructure);
161
        GPIO_InitStructure.GPIO_Direction =     GPIO_PinInput;
162
    GPIO_InitStructure.GPIO_Pin =                       GPIO_Pin_0;
163
    GPIO_InitStructure.GPIO_Type =                      GPIO_Type_PushPull;
196 killagreg 164
        GPIO_InitStructure.GPIO_IPInputConnected =      GPIO_IPInputConnected_Disable;
41 ingob 165
    GPIO_InitStructure.GPIO_Alternate =         GPIO_InputAlt1;
166
    GPIO_Init(GPIO5, &GPIO_InitStructure);
167
        // map UART0 to GPS
168
        // set port pin 6.6 (serial data from gps) to input and connect to IP
169
        GPIO_StructInit(&GPIO_InitStructure);
170
        GPIO_InitStructure.GPIO_Direction =     GPIO_PinInput;
171
    GPIO_InitStructure.GPIO_Pin =                       GPIO_Pin_6;
172
    GPIO_InitStructure.GPIO_Type =                      GPIO_Type_PushPull ;
196 killagreg 173
    GPIO_InitStructure.GPIO_IPInputConnected =  GPIO_IPInputConnected_Enable;
41 ingob 174
    GPIO_InitStructure.GPIO_Alternate =         GPIO_InputAlt1; //UART0_RxD
175
    GPIO_Init(GPIO6, &GPIO_InitStructure);
176
        // set port pin 6.7 (serial data to gps) to output
177
        GPIO_StructInit(&GPIO_InitStructure);
178
        GPIO_InitStructure.GPIO_Direction =     GPIO_PinOutput;
179
    GPIO_InitStructure.GPIO_Pin =                       GPIO_Pin_7;
180
    GPIO_InitStructure.GPIO_Type =                      GPIO_Type_PushPull;
196 killagreg 181
        GPIO_InitStructure.GPIO_IPInputConnected =      GPIO_IPInputConnected_Enable;
41 ingob 182
    GPIO_InitStructure.GPIO_Alternate =         GPIO_OutputAlt3; //UART0_TX
183
    GPIO_Init(GPIO6, &GPIO_InitStructure);
245 killagreg 184
        // configure the UART0
185
        UART0_Configure(Baudrate);
41 ingob 186
 
187
        UART0_Muxer = UART0_MKGPS;
188
}
189
 
190
/********************************************************/
191
/*              Connect RXD & TXD to MK3MAG             */
192
/********************************************************/
193
void UART0_Connect_to_MK3MAG(void)
194
{
245 killagreg 195
        u16 Baudrate;
196
 
41 ingob 197
        GPIO_InitTypeDef GPIO_InitStructure;
198
 
199
        UART0_Muxer = UART0_UNDEF;
200
 
201
        SCU_APBPeriphClockConfig(__GPIO5, ENABLE);
202
        // unmap UART0 from GPS
203
        // set port pin 6.6 (serial data from gps) to input and disconnect from IP
204
        GPIO_StructInit(&GPIO_InitStructure);
205
        GPIO_InitStructure.GPIO_Direction =     GPIO_PinInput;
206
    GPIO_InitStructure.GPIO_Pin =                       GPIO_Pin_6;
207
    GPIO_InitStructure.GPIO_Type =                      GPIO_Type_PushPull;
196 killagreg 208
    GPIO_InitStructure.GPIO_IPInputConnected =  GPIO_IPInputConnected_Disable;
41 ingob 209
    GPIO_InitStructure.GPIO_Alternate =         GPIO_InputAlt1;
210
    GPIO_Init(GPIO6, &GPIO_InitStructure);
211
        // set port pin 6.7 (serial data to gps) to input
212
        GPIO_StructInit(&GPIO_InitStructure);
213
        GPIO_InitStructure.GPIO_Direction =     GPIO_PinInput;
214
    GPIO_InitStructure.GPIO_Pin =                       GPIO_Pin_7;
215
    GPIO_InitStructure.GPIO_Type =                      GPIO_Type_PushPull;
196 killagreg 216
        GPIO_InitStructure.GPIO_IPInputConnected =      GPIO_IPInputConnected_Disable;
41 ingob 217
    GPIO_InitStructure.GPIO_Alternate =         GPIO_InputAlt1;
218
    GPIO_Init(GPIO6, &GPIO_InitStructure);
219
 
220
        // map UART0 to Compass
221
        // set port pin 5.1 (serial data from compass) to input and connect to IP
222
        GPIO_StructInit(&GPIO_InitStructure);
223
        GPIO_InitStructure.GPIO_Direction =     GPIO_PinInput;
224
    GPIO_InitStructure.GPIO_Pin =                       GPIO_Pin_1;
225
    GPIO_InitStructure.GPIO_Type =                      GPIO_Type_PushPull ;
196 killagreg 226
    GPIO_InitStructure.GPIO_IPInputConnected =  GPIO_IPInputConnected_Enable;
41 ingob 227
    GPIO_InitStructure.GPIO_Alternate =         GPIO_InputAlt1; //UART0_RxD
228
    GPIO_Init(GPIO5, &GPIO_InitStructure);
229
        // set port pin 5.0 (serial data to compass) to output
230
        GPIO_StructInit(&GPIO_InitStructure);
231
        GPIO_InitStructure.GPIO_Direction =     GPIO_PinOutput;
232
    GPIO_InitStructure.GPIO_Pin =                       GPIO_Pin_0;
233
    GPIO_InitStructure.GPIO_Type =                      GPIO_Type_PushPull;
196 killagreg 234
        GPIO_InitStructure.GPIO_IPInputConnected =      GPIO_IPInputConnected_Enable;
41 ingob 235
    GPIO_InitStructure.GPIO_Alternate =         GPIO_OutputAlt3; //UART0_TX
236
    GPIO_Init(GPIO5, &GPIO_InitStructure);
245 killagreg 237
        Baudrate = UART0_BAUD_RATE + ((UART0_BAUD_RATE * 2)/100);   // MK3Mag baudrate is a little bit higher...
238
        UART0_Configure(Baudrate);
41 ingob 239
        UART0_Muxer = UART0_MK3MAG;
240
}
241
 
242
/********************************************************/
243
/*                  Initialize UART0                    */
244
/********************************************************/
245
void UART0_Init(void)
246
{
110 killagreg 247
        UART1_PutString("\r\n UART0 init...");
41 ingob 248
 
245 killagreg 249
        UART0_Connect_to_MKGPS(UART0_BAUD_RATE);
41 ingob 250
 
110 killagreg 251
        // initialize txd buffer
112 killagreg 252
        Buffer_Init(&UART0_tx_buffer, UART0_tbuffer, UART0_TX_BUFFER_LEN);
110 killagreg 253
 
254
        // initialize rxd buffer
112 killagreg 255
        Buffer_Init(&UART0_rx_buffer, UART0_rbuffer, UART0_RX_BUFFER_LEN);
49 ingob 256
 
110 killagreg 257
        UART1_PutString("ok");
49 ingob 258
}
259
 
41 ingob 260
/********************************************************/
261
/*            UART0 Interrupt Handler                   */
262
/********************************************************/
263
void UART0_IRQHandler(void)
264
{
265
        u8 c;
136 killagreg 266
        // if receive irq (FIFO is over trigger level) or receive timeout irq (FIFO is not empty for longer times) has occured
41 ingob 267
        if((UART_GetITStatus(UART0, UART_IT_Receive) != RESET) || (UART_GetITStatus(UART0, UART_IT_ReceiveTimeOut) != RESET) )
268
        {
269
                UART_ClearITPendingBit(UART0, UART_IT_Receive);                 // clear receive interrupt flag
270
                UART_ClearITPendingBit(UART0, UART_IT_ReceiveTimeOut);  // clear receive timeout interrupt flag
271
 
272
                // if debug UART is UART0
273
                if (DebugUART == UART0)
274
                {       // forward received data to the UART1 tx buffer
275
                        while(UART_GetFlagStatus(UART0, UART_FLAG_RxFIFOEmpty) != SET)
276
                        {
277
                                // wait for space in the tx buffer of the UART1
278
                                while(UART_GetFlagStatus(UART1, UART_FLAG_TxFIFOFull) == SET) {};
279
                                // move the byte from the rx buffer of UART0 to the tx buffer of UART1
280
                                UART_SendData(UART1, UART_ReceiveData(UART0));
281
                        }
282
                }
283
                else // UART0 is not the DebugUART (normal operation)
284
                {
285
                        // repeat until no byte is in the RxFIFO
286
                        while (UART_GetFlagStatus(UART0, UART_FLAG_RxFIFOEmpty) != SET)
287
                        {  
288
                                c = UART_ReceiveData(UART0); // get byte from rx fifo
289
                                switch(UART0_Muxer)
290
                                {
291
                                        case UART0_MKGPS:
245 killagreg 292
                                                UBX_RxParser(c); // if connected to GPS forward byte to ubx parser
110 killagreg 293
                                                MKProtocol_CollectSerialFrame(&UART0_rx_buffer, c);     // ckeck for MK-Frames also
41 ingob 294
                                                break;
295
                                        case UART0_MK3MAG:
296
                                                // ignore any byte send from MK3MAG
297
                                                break;
298
                                        case UART0_UNDEF:
299
                                        default:
300
                                                // ignore the byte from unknown source
301
                                                break;
302
                                } // eof switch(UART0_Muxer)
303
                        } // eof while
304
                }  // eof UART0 is not the DebugUART
305
        } // eof receive irq or receive timeout irq
306
}
110 killagreg 307
 
308
/**************************************************************/
309
/* Process incomming data from debug uart                     */
310
/**************************************************************/
311
void UART0_ProcessRxData(void)
312
{
313
        SerialMsg_t SerialMsg;
314
        // if data in the rxd buffer are not locked immediately return
315
        if((UART0_rx_buffer.Locked == FALSE) || (DebugUART == UART0) ) return;
316
 
190 killagreg 317
        MKProtocol_DecodeSerialFrameHeader(&UART0_rx_buffer, &SerialMsg); // decode serial frame in rxd buffer  
318
        MKProtocol_DecodeSerialFrameData(&UART0_rx_buffer, &SerialMsg); // decode serial frame in rxd buffer
319
 
320
        switch(SerialMsg.Address) // check for Slave Address
110 killagreg 321
        {
116 killagreg 322
                case MKOSD_ADDRESS: // answers from the MKOSD
190 killagreg 323
                        switch(SerialMsg.CmdID)
116 killagreg 324
                        {
325
                                case 'V':
326
                                        memcpy(&MKOSD_VersionInfo, SerialMsg.pData, sizeof(MKOSD_VersionInfo)); // copy echo pattern
327
                                        break;
328
                                default:
329
                                        break;
330
                        } // case MKOSD_ADDRESS 
331
                        break;
332
 
110 killagreg 333
                case NC_ADDRESS:  // own Slave Address
190 killagreg 334
                        switch(SerialMsg.CmdID)
116 killagreg 335
                        {
117 killagreg 336
                                case 'e': // request for the text of the error status
337
                                        UART0_Request_ErrorMessage = TRUE;
338
                                        break;
339
                                case 'o': // request for navigation information
340
                                        UART0_NaviData_Interval = (u32) SerialMsg.pData[0] * 10;
341
                                        if(UART0_NaviData_Interval > 0) UART0_Request_NaviData = TRUE;
342
                                        break;
116 killagreg 343
                                default:
344
                                        break;
345
                        } // case NC_ADDRESS
346
                        // "break;" is missing here to fall thru to the common commands
110 killagreg 347
 
348
                default:  // and any other Slave Address
190 killagreg 349
                        switch(SerialMsg.CmdID) // check CmdID
116 killagreg 350
                        {
351
                                case 'v': // request for version info
352
                                        UART0_Request_VersionInfo = TRUE;
353
                                        break;
354
                                default:
355
                                        // unsupported command recieved
356
                                        break;
357
                        }
358
                        break; // default:
110 killagreg 359
        }
112 killagreg 360
        Buffer_Clear(&UART0_rx_buffer);
110 killagreg 361
}
362
 
363
/**************************************************************/
364
/*         Transmit tx buffer via uart0                       */
365
/**************************************************************/
366
void UART0_Transmit(void)
367
{
368
        u8 tmp_tx;
195 killagreg 369
 
370
        IENABLE;
371
 
110 killagreg 372
        if(DebugUART == UART0) return; // no data output if debug uart is rederected to UART0
373
        // if something has to be send and the txd fifo is not full
374
        if((UART0_tx_buffer.Locked == TRUE) && (UART_GetFlagStatus(UART0, UART_FLAG_TxFIFOFull) == RESET))
375
        {
376
                tmp_tx = UART0_tx_buffer.pData[UART0_tx_buffer.Position++]; // read next byte from txd buffer
377
                UART_SendData(UART0, tmp_tx); // put character to txd fifo
378
                // if terminating character or end of txd buffer reached
379
                if((tmp_tx == '\r') || (UART0_tx_buffer.Position == UART0_tx_buffer.Size))
380
                {
112 killagreg 381
                        Buffer_Clear(&UART0_tx_buffer);
110 killagreg 382
                }
383
        }
195 killagreg 384
 
385
        IDISABLE;
110 killagreg 386
}
387
 
388
 
389
/**************************************************************/
390
/* Send the answers to incomming commands at the uart0        */
391
/**************************************************************/
392
void UART0_TransmitTxData(void)
393
{
394
        if(DebugUART == UART0) return;
395
        UART0_Transmit(); // output pending bytes in tx buffer
396
        if(UART0_tx_buffer.Locked == TRUE) return;
397
 
151 killagreg 398
        else if(UART0_Request_ErrorMessage && (UART0_tx_buffer.Locked == FALSE))
117 killagreg 399
        {
400
                MKProtocol_CreateSerialFrame(&UART0_tx_buffer, 'E', NC_ADDRESS, 1, (u8 *)&ErrorMSG, sizeof(ErrorMSG));
401
                UART0_Request_ErrorMessage = FALSE;
402
        }
151 killagreg 403
        else if(UART0_Request_VersionInfo && (UART0_tx_buffer.Locked == FALSE))
116 killagreg 404
        {
405
                MKProtocol_CreateSerialFrame(&UART0_tx_buffer, 'V', NC_ADDRESS,1, (u8 *)&UART_VersionInfo, sizeof(UART_VersionInfo));
406
                UART0_Request_VersionInfo = FALSE;
407
        }
151 killagreg 408
        else if(( ((UART0_NaviData_Interval >0) && CheckDelay(UART0_NaviData_Timer) ) || UART0_Request_NaviData) && (UART0_tx_buffer.Locked == FALSE))
110 killagreg 409
        {
410
                NaviData.Errorcode = ErrorCode;
411
                MKProtocol_CreateSerialFrame(&UART0_tx_buffer, 'O', NC_ADDRESS,1, (u8 *)&NaviData, sizeof(NaviData));
412
                UART0_NaviData_Timer = SetDelay(UART0_NaviData_Interval);
413
                UART0_Request_NaviData = FALSE;
414
        }      
415
        UART0_Transmit(); // output pending bytes in tx buffer
416
}
116 killagreg 417
 
418
 
419
/**************************************************************/
420
/* Get the version of the MKOSD                               */
421
/**************************************************************/
247 killagreg 422
u8 UART0_GetMKOSDVersion(void)
116 killagreg 423
{
424
        u32 timeout;
425
        u8 msg[64];
247 killagreg 426
        u8 retval = 0;
116 killagreg 427
 
428
        MKOSD_VersionInfo.SWMajor = 0xFF;
429
        MKOSD_VersionInfo.SWMinor = 0xFF;
430
        MKOSD_VersionInfo.SWPatch = 0xFF;
431
 
245 killagreg 432
        if(UART0_Muxer != UART0_MKGPS) UART0_Connect_to_MKGPS(UART0_BAUD_RATE);
116 killagreg 433
        while(UART0_tx_buffer.Locked == TRUE) UART0_Transmit(); // output pending bytes in tx buffer;
434
 
435
        MKProtocol_CreateSerialFrame(&UART0_tx_buffer, 'v', MKOSD_ADDRESS, 0); // request for version info
436
        while(UART0_tx_buffer.Locked == TRUE) UART0_Transmit(); // output pending bytes in tx buffer;
437
 
438
        timeout = SetDelay(500);
439
        do
440
        {
441
                UART0_ProcessRxData();
442
                if(MKOSD_VersionInfo.SWMajor != 0xFF) break;
443
        }while(!CheckDelay(timeout));
444
 
445
        if(MKOSD_VersionInfo.SWMajor != 0xFF)
446
        {
447
                sprintf(msg, "\n\r MK-OSD V%d.%d%c", MKOSD_VersionInfo.SWMajor, MKOSD_VersionInfo.SWMinor, 'a'+MKOSD_VersionInfo.SWPatch);
448
                UART1_PutString(msg);
247 killagreg 449
                retval = 1;
116 killagreg 450
        }
247 killagreg 451
        //else UART1_PutString("\n\r No version information from MK-OSD."); 
452
        return(retval);
116 killagreg 453
}
245 killagreg 454
 
455
/**************************************************************/
247 killagreg 456
/* Send a  message to the UBLOX device                        */
245 killagreg 457
/**************************************************************/
247 killagreg 458
u8 UART0_UBXSendMsg(u8* pData, u16 Len)
245 killagreg 459
{
460
        u8 retval = 0;
461
        // check for connection to GPS
462
        if(UART0_Muxer != UART0_MKGPS) return(retval);
463
        while(UART0_tx_buffer.Locked == TRUE) UART0_Transmit(); // output pending bytes in tx buffer;
247 killagreg 464
        UBX_CreateMsg(&UART0_tx_buffer, pData, Len);  // build ubx message frame
245 killagreg 465
        while(UART0_tx_buffer.Locked == TRUE) UART0_Transmit(); // output pending bytes in tx buffer;
247 killagreg 466
        return(1);
467
}
468
 
469
/**************************************************************/
470
/* Send a configuration message to the UBLOX device           */
471
/**************************************************************/
472
u8 UART0_UBXSendCFGMsg(u8* pData, u16 Len)
473
{
474
        u32 timeout;
475
        u8 retval = 0;
476
        // if data are not a CFG MSG
477
        if(pData[0]!= UBX_CLASS_CFG) return(retval);
478
        // prepare rx msg filter
479
        UbxMsg.Hdr.Class = UBX_CLASS_ACK;
480
        UbxMsg.Hdr.Id = 0xFF;
481
        UbxMsg.Hdr.Length = 0;
482
        UbxMsg.ClassMask = 0xFF;
483
        UbxMsg.IdMask = 0x00;
484
        UbxMsg.Status = INVALID;
485
        UART0_UBXSendMsg(pData, Len);
486
        // check for acknowledge msg
487
        timeout = SetDelay(100);
245 killagreg 488
        do
489
        {
247 killagreg 490
                if(UbxMsg.Status == NEWDATA) break;
245 killagreg 491
        }while(!CheckDelay(timeout));
247 killagreg 492
        if(UbxMsg.Status == NEWDATA)
493
        {       // 2 bytes payload
494
                if((UbxMsg.Data[0] == pData[0]) && (UbxMsg.Data[1] == pData[1]) && (UbxMsg.Hdr.Length == 2)) retval = UbxMsg.Hdr.Id;
495
        }
496
        UbxMsg.Status = INVALID;
497
        return(retval);
498
}
499
 
500
/**************************************************************/
501
/* Get Version Info from UBX Module                           */
502
/**************************************************************/
503
u8 UART0_GetUBXVersion(void)
504
{
505
        u32 timeout;
506
        u8 retval = 0xFF;
507
        u8 ubxmsg[]={0x0A, 0x04, 0x00, 0x00}; //MON-VER
508
        // prepare rx msg filter
509
        UbxMsg.Hdr.Class = 0x0A;
510
        UbxMsg.Hdr.Id = 0x04;
511
        UbxMsg.Hdr.Length = 0;
512
        UbxMsg.ClassMask = 0xFF;
513
        UbxMsg.IdMask = 0xFF;
514
        UbxMsg.Status = INVALID;
515
        UART0_UBXSendMsg(ubxmsg, sizeof(ubxmsg));
516
        // check for answer
517
        timeout = SetDelay(100);
518
        do
245 killagreg 519
        {
247 killagreg 520
                if(UbxMsg.Status == NEWDATA) break;
521
        }while(!CheckDelay(timeout));
522
        if((UbxMsg.Hdr.Length >= 40) && (UbxMsg.Status == NEWDATA))
523
        {
524
                UbxMsg.Data[4] = 0; //Only the fisrt 4 chsracters 
525
                UbxMsg.Data[39] = 0;
526
                UART1_PutString(" V");
527
                UART1_PutString((u8*)&UbxMsg.Data);
528
                UART1_PutString(" HW:");
529
                UART1_PutString((u8*)&UbxMsg.Data[30]);
530
                retval = UbxMsg.Data[0]-'0'; // major sw version        
245 killagreg 531
        }
247 killagreg 532
        UbxMsg.Status = INVALID;
245 killagreg 533
        return(retval);
534
}