source: trunk/firmware_v4/SES/src/modbus.c@ 42

Last change on this file since 42 was 42, checked in by f.jahn, 5 days ago
File size: 20.2 KB
RevLine 
[42]1/*
2 * modbus.c
3 *
4 * Created: 03.09.2012 08:39:20
5 * Author: Falko
6 */
7
8
9
10#if MODBUS_SUPPORT == TRUE
11
12 #include "modbus.h"
13 //#include "stm32g4xx_hal.h"
14 #include "main.h"
15 //#include "stm32g0xx_hal_tim.h"
16 //#include "stm32_hal_legacy.h"
17 #include <stdio.h>
18 // ---------------------------------------------------------
19 // -------------------- MODUL DEFINES ----------------------
20 // ---------------------------------------------------------
21
22
23
24
25 #define MODBUS_BROADCAST_ADDRESS 0x00
26 #define FC_READ_COILS 0x01
27 #define FC_READ_HOLDING_REGISTERS 0x03
28 #define FC_WRITE_SINGLE_REGISTER 0x06
29 #define FC_WRITE_MULTIPLE_REGISTER 0x10
30
31 /* Protocol exceptions */
32 #define ILLEGAL_FUNCTION 0x01
33 #define ILLEGAL_DATA_ADDRESS 0x02
34 #define ILLEGAL_DATA_VALUE 0x03
35 #define SLAVE_DEVICE_FAILURE 0x04
36 #define SERVER_FAILURE 0x04
37 #define ACKNOWLEDGE 0x05
38 #define SLAVE_DEVICE_BUSY 0x06
39 #define SERVER_BUSY 0x06
40 #define NEGATIVE_ACKNOWLEDGE 0x07
41 #define MEMORY_PARITY_ERROR 0x08
42 #define GATEWAY_PROBLEM_PATH 0x0A
43 #define GATEWAY_PROBLEM_TARGET 0x0B
44
45 /* Local Error codes */
46 #define INVALID_CRC -1
47
48 // Position der Daten im Rx String
49 #define OFFSET_SLAVE_ADRESS 0x00
50 #define OFFSET_FUNCTION_CODE 0x01
51 #define OFFSET_START_ADRESS_HI 0x02
52 #define OFFSET_START_ADRESS_LO 0x03
53 #define OFFSET_NO_OF_REGISTERS_HI 0x04
54 #define OFFSET_NO_OF_REGISTERS_LO 0x05
55
56 #define MIN_NUMBER_OF_REGISTERS_FC3 0x01
57 #define MAX_NUMBER_OF_REGISTERS_FC3 0x7D
58 #define MIN_NUMBER_OF_REGISTERS_FC16 0x01
59 #define MAX_NUMBER_OF_REGISTERS_FC16 0x7B
60
61 #ifdef DEBUG
62 #define RESPONSE_TIMEOUT 300 // * 1ms
63 #else
64 #define RESPONSE_TIMEOUT 1000 // * 1ms
65 #endif
66
67 #define FAST_BAUDRATE_INTERFRAME_DELAY_us (1750UL)
68 // --- Externe Variablen --------------------------------------------
69 extern modbus_t modbusData;
70 extern sys_data_t sys_data;
71
72
73 // --- Private Funktions Prototypen --------------------------------------------
74
75 void mbUartInit (modbus_t * mb_data,UART_HandleTypeDef * usart, uint32_t baudrate, uint32_t parityMode, uint32_t stopBits , uint32_t nrOfBitsPerChar);
76 uint16_t mbCrc16 (uint8_t *buf, uint32_t len);
77 void mbSend (modbus_t * mb_data );
78 uint32_t mbSlaveReadHoldingRegisters (uint8_t * response_string, uint8_t *msg, uint32_t tx_position, uint8_t deviceID);
79 uint32_t mbSlaveWriteMultipleRegisters (uint8_t * response_string, uint8_t *msg, uint32_t tx_position, uint32_t deviceID);
80 uint32_t mbSlaveWriteSingleRegister (uint8_t * response_string,uint8_t *msg,uint32_t tx_position, uint32_t deviceID);
81 uint32_t mbSlaveResponseException (uint8_t* response_string, uint32_t function_code, uint32_t exception_code,uint32_t tx_position) ;
82static HAL_StatusTypeDef RS485_ModbusEx_Init (UART_HandleTypeDef *huart, uint32_t Polarity, uint32_t AssertionTime, uint32_t DeassertionTime, uint32_t charReceiveTimeout);
83static void UART_TxISR_8BIT (UART_HandleTypeDef *huart);
84
85 // --- GEMEINSAME MODBUS FUNKTIONEN --------------------------------------------
86 // Diese Funktionen werden sowohl von Modbus Master als auch Modbus Slave verwendet
87
88 /*
89 *
90 * @brief Diese Funktion Initialisert die Modbus Datenstrukturen und die Hardware
91 *
92 * Das Modbus Modul bentigt einen UART und einen Timer pro Modbus Anschluss
93 * Die Funktion erfordert eine vorhandene Callback funktion namens HAL_UART_MspInit
94 * In dieser muss:
95 * - Der UART CLK eingeschaltet werden
96 * - Die Pins initialisert werden (Alternate Port Funktion)
97 * - Der NVIC Interrupt eingeschaltet werden
98 * @param mb_data : Datenstruktur zur Aufnahme aller Daten
99 * @param baudrate : Bautrate
100 * @param parityMode : Parity, mglich ist UART_PARITY_ODD, UART_PARITY_EVEN, UART_PARITY_NONE. Default ist lt. Modbus Standart EVEN
101 * @param usart : Timer Modul, z.B. USART1
102 * @retval None
103 */
104 void mbInit(modbus_t* mb_data, uint32_t baudrate, uint32_t parityMode, uint16_t stopBits, UART_HandleTypeDef* usart)
105 {
106 uint32_t numberOfBitsPerChar;
107 //uint32_t stopBits;
108
109 if (stopBits < 1U || stopBits > 2U) stopBits = 1U;
110
111
112 // Berechne Anzahl der Bits per Char
113 numberOfBitsPerChar = NUMBER_OF_STARTBITS + NUMBER_OF_DATABITS + stopBits;
114 if ((parityMode == MODBUS_UART_PARITY_EVEN) || (parityMode == MODBUS_UART_PARITY_ODD))
115 {
116 numberOfBitsPerChar +=1;
117 }
118
119 mbUartInit(mb_data,usart, baudrate, parityMode, stopBits, numberOfBitsPerChar);
120
121 // Datenstrukturen zurcksetzen
122 mb_data->last_query_function_code = 0;
123 mb_data->last_query_tcp_id.w = 0;
124 mb_data->last_query_number_of_register.w = 0;
125 mb_data->current_query = MB_QUERY_NOTHING;
126 mb_data->last_query_slave_adress = 0;
127 mb_data->last_query_start_adress.w = 0;
128 mb_data->last_query_timeout = false;
129 }
130
131 /*
132 *
133 * @brief Diese Funktion Initialisert die Modbus UART Hardware
134 *
135 * @param mb_data : Datenstruktur zur Aufnahme aller Daten
136 * @param usart : UART Modul, z.B. USART1
137 * @param baudrate : UART BAUD
138 * @param parityMmode : Parity, mglich ist:
139 UART_PARITY_ODD, UART_PARITY_EVEN, UART_PARITY_NONE.
140 Default ist lt. Modbus Standart EVEN
141 * @param stopBits : Anzahl der Stop Bits, lt Modbus Standart
142 * 2 Stop Bits bei Parity None, ansonsten 2 Stop Bits
143 * @retval None
144 */
145 void mbUartInit(modbus_t * mb_data,UART_HandleTypeDef * usart, uint32_t baudrate, uint32_t parityMode, uint32_t stopBits , uint32_t nrOfBitsPerChar)
146 {
147 //--- Uart Init ------------------------------------------------------------
148 mb_data->uart = usart;
149
150 // Baudrate
151 mb_data->uart->Init.BaudRate = baudrate;
152
153 // Parity Mode // Word length
154 if(parityMode == MODBUS_UART_PARITY_EVEN)
155 {
156 mb_data->uart->Init.Parity = UART_PARITY_EVEN;
157 mb_data->uart->Init.WordLength = UART_WORDLENGTH_9B;
158 }
159 else if(parityMode == MODBUS_UART_PARITY_ODD)
160 {
161 mb_data->uart->Init.Parity = UART_PARITY_ODD;
162 mb_data->uart->Init.WordLength = UART_WORDLENGTH_9B;
163 }
164 else
165 {
166 mb_data->uart->Init.Parity = UART_PARITY_NONE;
167 mb_data->uart->Init.WordLength = UART_WORDLENGTH_8B;
168 }
169
170 // Stopbits
171 if (stopBits == 1)
172 {
173 mb_data->uart->Init.StopBits = UART_STOPBITS_1;
174 }
175 else
176 {
177 mb_data->uart->Init.StopBits = UART_STOPBITS_2;
178 }
179
180 if (HAL_UART_Init(mb_data->uart) != HAL_OK)
181 {
182#ifdef DEBUG
183 printf("ERROR Uart INIT\r\n");
184#endif
185 Error_Handler();
186 }
187
188
189 HAL_UART_EnableReceiverTimeout( usart);
190 if (baudrate <= 19200)
191 {
192 HAL_UART_ReceiverTimeout_Config(usart, 3.5 * nrOfBitsPerChar);
193 }
194 else
195 {
196 uint32_t fixedDelayInBitDurations = (FAST_BAUDRATE_INTERFRAME_DELAY_us * baudrate) / 1000000UL + 1UL;
197 HAL_UART_ReceiverTimeout_Config(usart, fixedDelayInBitDurations);
198 }
199
200
201 SET_BIT(usart->Instance->CR1, USART_CR1_RTOIE);
202
203
204 if(HAL_UART_Receive_DMA(mb_data->uart, mb_data->rx_buffer, RXBUFFERSIZE) != HAL_OK)
205 {
206#ifdef DEBUG
207 printf("uart error \n\r");
208#endif
209 while(1)
210 {
211 }
212 }
213 }
214
215
216
217void HAL_UART_ErrorCallback(UART_HandleTypeDef *huart)
218{
219 modbusData.mb_rx_frame_complete = 1;
220 modbusData.setRxLed = false;
221 modbusData.rx_head = huart->RxXferSize - __HAL_DMA_GET_COUNTER(huart->hdmarx);
222
223
224 if (huart->ErrorCode == HAL_UART_ERROR_RTO)
225 {
226
227 // printf("MB RTO Event! \n\r");
228 // Kein Fehler, normale Funktion
229 }
230 if (huart->ErrorCode == HAL_UART_ERROR_FE)
231 {
232#ifdef DEBUG
233 printf("MB FE Error! \n\r");
234#endif
235 }
236
237 if (huart->ErrorCode == HAL_UART_ERROR_PE)
238 {
239#ifdef DEBUG
240 printf("MB PE Error! \n\r");
241#endif
242 }
243
244 if (huart->ErrorCode == HAL_UART_ERROR_NE)
245 {
246#ifdef DEBUG
247 printf("MB NE Error! \n\r");
248#endif
249 }
250
251 if (huart->ErrorCode == HAL_UART_ERROR_DMA)
252 {
253#ifdef DEBUG
254 printf("MB DMA Error! \n\r");
255#endif
256 }
257
258 if (huart->ErrorCode == HAL_UART_ERROR_DMA)
259 {
260#ifdef DEBUG
261 printf("MB DMA Error! \n\r");
262#endif
263 }
264
265 if (huart->ErrorCode == HAL_UART_ERROR_ORE)
266 {
267#ifdef DEBUG
268 printf("MB ORE Error! \n\r");
269#endif
270 }
271
272
273
274 if(HAL_UART_Receive_DMA(huart, huart->pRxBuffPtr, RXBUFFERSIZE) != HAL_OK)
275 {
276#ifdef DEBUG
277 printf("Uart Error bei neustart nach Fehler \n\r");
278#endif
279 // while(1)
280 // {
281 // }
282 }
283
284}
285
286//void HAL_UARTEx_RxEventCallback(UART_HandleTypeDef *huart, uint16_t Size)
287//{
288// //printf("MB rxEvent!RX=%d \n\r",Size);
289// modbusData.setRxLed = true;
290
291// modbusData.mb_rx_frame_complete = 1;
292// modbusData.rx_head= Size +1;
293
294// if(HAL_UART_Receive_DMA(huart, huart->pRxBuffPtr, RXBUFFERSIZE) != HAL_OK)
295// {
296// printf("uart error \n\r");
297// // while(1)
298// // {
299// // }
300// }
301
302
303//}
304
305void HAL_UART_TxCpltCallback(UART_HandleTypeDef *huart)
306{
307 //printf("uart complete \n\r");
308 modbusData.current_query = MB_QUERY_NOTHING;
309
310}
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332 void mbSend(modbus_t * mb_data )
333 {
334 mb_data->current_query = MB_QUERY_SEND_DATA;
335 HAL_UART_Transmit_DMA(mb_data->uart, mb_data->tx_buffer, mb_data->tx_head);
336 }
337
338 void mbClearTxBuffer(modbus_t * mb_data)
339 {
340 mb_data->tx_head = 0;
341 }
342
343
344
345 // Compute the MODBUS RTU CRC
346 uint16_t mbCrc16 ( uint8_t *buf, uint32_t len)
347 {
348 uint16_t crc = 0xFFFF;
349
350 for (uint32_t pos = 0; pos < len; pos++)
351 {
352 crc ^= (uint16_t)buf[pos]; // XOR byte into least sig. byte of crc
353
354 for (int i = 8; i != 0; i--)
355 { // Loop over each bit
356 if ((crc & 0x0001) != 0)
357 { // If the LSB is set
358 crc >>= 1; // Shift right and XOR 0xA001
359 crc ^= 0xA001;
360 }
361 else // Else LSB is not set
362 {
363 crc >>= 1; // Just shift right
364 }
365 }
366 }
367
368 // Note, this number has low and high bytes swapped, so use it accordingly (or swap bytes)
369 return crc;
370 }
371
372 /* If CRC is correct returns msg_length else returns INVALID_CRC */
373 int mbCheckCrc16( uint8_t *msg, const int msg_length)
374 {
375 int ret;
376 uint16_t crc_calc;
377 uint16_t crc_received;
378
379 crc_calc = mbCrc16(msg, msg_length - 2);
380 crc_received = (msg[msg_length - 1] << 8) | msg[msg_length - 2];
381
382 // Check CRC of msg
383 if (crc_calc == crc_received) {
384 ret = msg_length;
385 } else {
386 ret = INVALID_CRC;
387 }
388 return ret;
389 }
390
391 uint32_t mbAppendCrc16(uint8_t * buffer, uint32_t tx_position)
392 {
393 uint16_t crc = mbCrc16( buffer , tx_position);
394
395 uint8_t l_crc = (uint8_t) (crc & 0x00FF) ;
396 uint8_t h_crc = (uint8_t) (crc >> 8);
397 buffer[tx_position] = l_crc;
398 tx_position++;
399 buffer[tx_position] = h_crc;
400 tx_position++;
401 return tx_position;
402 }
403
404 /************************************************************************************************************
405 Function: mb_get_frame_complete
406 Purpose: Rckabe ob Frame komplett empfangen wurde
407 *************************************************************************************************************/
408 bool mbGetFrameComplete(modbus_t * mb_data)
409 {
410 return mb_data->mb_rx_frame_complete;
411 }
412
413 void mbClearRxFrame(modbus_t * mb_data)
414 {
415 // Wieder bei 0 im buffer anfangen
416 mb_data->rx_head = 0;
417
418 // keine Daten mehr vorhanden
419 mb_data->mb_rx_frame_complete=false;
420 }
421
422
423 // --------------------- SLAVE FUNCTIONS ---------------------------------------
424
425#define SEND_TO_SLAVES_BUFFER_COUNT 1000
426//static TASK_MODBUS_MASTER_Message_t xMessage[255];
427//static TASK_MODBUS_MASTER_Message_t *pxMessage;
428static bword_t values[SEND_TO_SLAVES_BUFFER_COUNT];
429static uint32_t y;
430static uint32_t z;
431
432 uint32_t mbSlaveCheckModbusRtuQuery(modbus_t * mb_data)
433 {
434 uint32_t message_lengh;
435 uint8_t *modbus_rx_message;
436 modbus_rx_message = mb_data->rx_buffer;
437 message_lengh= mb_data->rx_head;
438 uint32_t slave_adress;
439 slave_adress = modbus_rx_message[0];
440
441 if (message_lengh < 5) //Mindestens 5 Zeichen (Slave Adress + Function Code + 2x CRC
442 {
443 mbClearRxFrame(mb_data);
444 return 0;
445 }
446
447 // Prfe CRC
448 if (mbCheckCrc16(modbus_rx_message,message_lengh) == INVALID_CRC)
449 {
450 mbClearRxFrame(mb_data);
451 return 0;
452 }
453
454 if (slave_adress == MODBUS_BROADCAST_ADDRESS)
455 {
456
457 return RESPOND_TO_QUERY;
458 }
459 /* auf richtige Slave Adresse checken ansonsten nicht antworten*/
460 else if (slave_adress == sys_data.s.parameter.slave_address)
461 {
462 return RESPOND_TO_QUERY;
463 }
464
465 mbClearRxFrame(mb_data);
466 return 0;
467 }
468
469 void mbSlaveProcessRtuQuery(modbus_t * mb_data)
470 {
471 uint32_t tx_position=0; //die _Nchste_ Position in der Zeichen eingefgt werden mssen
472 uint8_t *modbus_rx_message;
473 modbus_rx_message = &mb_data->rx_buffer[0];
474
475 //Vorbereiten auf neues senden
476 mbClearTxBuffer(mb_data);
477
478 //mb_data->tx_buffer[0] = sys_data.s.vmGreenview.s.lb_slave_adress;
479 mb_data->tx_buffer[0] = *modbus_rx_message;
480 tx_position++;
481 tx_position = mbSlaveProcessPdu(mb_data->tx_buffer , modbus_rx_message,tx_position, *modbus_rx_message);
482
483 tx_position = mbAppendCrc16(mb_data->tx_buffer ,tx_position);
484 mb_data->tx_head=tx_position;
485 mbSend(mb_data);
486 mbClearRxFrame(mb_data);
487 }
488
489 uint32_t mbSlaveProcessPdu (uint8_t* response_string, uint8_t * msg, uint32_t tx_position, uint8_t deviceID)
490 {
491 uint32_t function_code;
492 uint32_t ret;
493
494 function_code = msg[OFFSET_FUNCTION_CODE];
495
496 switch (function_code)
497 {
498 case FC_READ_HOLDING_REGISTERS:
499 ret= mbSlaveReadHoldingRegisters(response_string, msg,tx_position, deviceID);
500 break;
501
502 case FC_WRITE_SINGLE_REGISTER:
503 ret = mbSlaveWriteSingleRegister(response_string, msg,tx_position, deviceID);
504 break;
505
506 case FC_WRITE_MULTIPLE_REGISTER:
507 ret=mbSlaveWriteMultipleRegisters(response_string, msg,tx_position, deviceID);
508 break;
509
510 default:
511 ret=mbSlaveResponseException(response_string,function_code,ILLEGAL_FUNCTION,tx_position);
512 break;
513 }
514
515 return ret;
516 }
517
518
519 uint32_t mbSlaveReadHoldingRegisters( uint8_t * response_string, uint8_t *msg, uint32_t tx_position, uint8_t deviceID)
520 {
521 uint32_t start_adress;
522 uint32_t adress;
523 uint32_t number_of_registers;
524
525 /*stimmt die device ID mit der eigenen berein*/
526 if((deviceID != sys_data.s.parameter.slave_address) && (deviceID != 0))
527 {
528 return mbSlaveResponseException(response_string,FC_WRITE_SINGLE_REGISTER,GATEWAY_PROBLEM_TARGET,tx_position);
529 }
530
531 start_adress = (msg[OFFSET_START_ADRESS_HI] << 8) + msg[OFFSET_START_ADRESS_LO];
532 number_of_registers = ( msg[OFFSET_NO_OF_REGISTERS_HI] << 8) + msg[OFFSET_NO_OF_REGISTERS_LO];
533
534 if ((number_of_registers < MIN_NUMBER_OF_REGISTERS_FC3) || (number_of_registers > MAX_NUMBER_OF_REGISTERS_FC3) )
535 {
536 return mbSlaveResponseException(response_string,FC_READ_HOLDING_REGISTERS,ILLEGAL_DATA_VALUE,tx_position);
537 }
538
539 if (start_adress+number_of_registers-1 > MAX_ADRESS)
540 {
541 return mbSlaveResponseException(response_string, FC_READ_HOLDING_REGISTERS,ILLEGAL_DATA_ADDRESS,tx_position);
542 }
543
544 response_string[tx_position] = FC_READ_HOLDING_REGISTERS; // FUNCTION CODE
545 tx_position++;
546 response_string[tx_position] = number_of_registers * 2; // Bytes
547 tx_position++;
548
549 for(adress=start_adress;adress < (start_adress + number_of_registers);adress++)
550 {
551 /*Daten aus dem Speicher senden*/
552 response_string[tx_position] = sys_data.mb[adress].b[1];
553 tx_position++;
554 response_string[tx_position] = sys_data.mb[adress].b[0];
555 tx_position++;
556 }
557
558 return tx_position;
559 }
560
561
562 uint32_t mbSlaveWriteMultipleRegisters(uint8_t * response_string, uint8_t *msg, uint32_t tx_position, uint32_t deviceID)
563 {
564
565 uint32_t start_adress;
566 uint32_t number_of_registers;
567 uint32_t adress;
568 uint32_t offset;
569
570 /*stimmt die device ID mit der eigenen berein*/
571 if((deviceID != sys_data.s.parameter.slave_address) && (deviceID != 0))
572 {
573 return mbSlaveResponseException(response_string,FC_WRITE_SINGLE_REGISTER,GATEWAY_PROBLEM_TARGET,tx_position);
574 }
575
576 start_adress = (msg[OFFSET_START_ADRESS_HI] << 8) + msg[OFFSET_START_ADRESS_LO];
577 number_of_registers = ( msg[OFFSET_NO_OF_REGISTERS_HI] << 8) + msg[OFFSET_NO_OF_REGISTERS_LO];
578 offset=7;
579
580 if ((number_of_registers < MIN_NUMBER_OF_REGISTERS_FC16) || (number_of_registers > MAX_NUMBER_OF_REGISTERS_FC16) )
581 {
582 return mbSlaveResponseException(response_string, FC_WRITE_MULTIPLE_REGISTER,ILLEGAL_DATA_VALUE,tx_position);
583 }
584
585 if (start_adress+number_of_registers-1 > MAX_ADRESS)
586 {
587 return mbSlaveResponseException(response_string, FC_WRITE_MULTIPLE_REGISTER,ILLEGAL_DATA_ADDRESS,tx_position);
588 }
589
590 /*Daten in Gertespeicher schreiben*/
591 for(adress=start_adress;adress < (start_adress + number_of_registers);adress++)
592 {
593 sys_data.mb[adress].b[1] = msg[offset];
594 sys_data.mb[adress].b[0] = msg[offset+1];
595 offset+=2;
596 }
597
598 response_string[tx_position] = FC_WRITE_MULTIPLE_REGISTER; // FUNCTION CODE - 1 byte
599 tx_position++;
600 response_string[tx_position] = start_adress >> 8;
601 tx_position++;
602 response_string[tx_position] = (uint8_t ) ( start_adress & 0x00FF); // start adresse 2 byte
603 tx_position++;
604 response_string[tx_position] = number_of_registers >> 8;
605 tx_position++;
606 response_string[tx_position] = (uint8_t ) ( number_of_registers & 0x00FF); // Anzahl Register 2 byte
607 tx_position++;
608 return tx_position;
609 }
610
611
612 uint32_t mbSlaveWriteSingleRegister(uint8_t * response_string,uint8_t *msg,uint32_t tx_position, uint32_t deviceID)
613 {
614
615 uint32_t adress;
616
617 /*stimmt die device ID mit der eigenen berein*/
618 if((deviceID != sys_data.s.parameter.slave_address) && (deviceID != 0))
619 {
620 return mbSlaveResponseException(response_string,FC_WRITE_SINGLE_REGISTER,GATEWAY_PROBLEM_TARGET,tx_position);
621 }
622
623 adress = (msg[2] << 8) + msg[3];
624
625 if (adress > MAX_ADRESS)
626 {
627 return mbSlaveResponseException(response_string,FC_WRITE_SINGLE_REGISTER,ILLEGAL_DATA_ADDRESS,tx_position);
628 }
629
630 /*schreibe Daten in eigenen Speicher*/
631 sys_data.mb[adress].b[1] = msg[4];
632 sys_data.mb[adress].b[0] = msg[5];
633
634 response_string[tx_position]= FC_WRITE_SINGLE_REGISTER; // FUNCTION CODE
635 tx_position++;
636 response_string[tx_position]= adress >> 8;
637 tx_position++;
638 response_string[tx_position]= (uint8_t ) ( adress & 0x00FF);
639
640 tx_position++;
641 response_string[tx_position]= msg[4];
642 tx_position++;
643 response_string[tx_position]= msg[5];
644 tx_position++;
645
646 return tx_position;
647 }
648
649
650 uint32_t mbSlaveResponseException(uint8_t* response_string, uint32_t function_code, uint32_t exception_code,uint32_t tx_position )
651 {
652 function_code += 0x80;
653 response_string[tx_position] = function_code; // FUNCTION CODE
654 tx_position++;
655 response_string[tx_position] = exception_code; //
656 tx_position++;
657 return tx_position;
658 }
659
660
661 //---------------------------- UNKNOWN -----------------------------------------
662 //- -
663 //------------------------------------------------------------------------------
664
665#endif
666
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