mbfuncother.c 3.9 KB

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  1. /*
  2. * FreeModbus Libary: A portable Modbus implementation for Modbus ASCII/RTU.
  3. * Copyright (c) 2006-2018 Christian Walter <cwalter@embedded-solutions.at>
  4. * All rights reserved.
  5. *
  6. * Redistribution and use in source and binary forms, with or without
  7. * modification, are permitted provided that the following conditions
  8. * are met:
  9. * 1. Redistributions of source code must retain the above copyright
  10. * notice, this list of conditions and the following disclaimer.
  11. * 2. Redistributions in binary form must reproduce the above copyright
  12. * notice, this list of conditions and the following disclaimer in the
  13. * documentation and/or other materials provided with the distribution.
  14. * 3. The name of the author may not be used to endorse or promote products
  15. * derived from this software without specific prior written permission.
  16. *
  17. * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
  18. * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
  19. * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
  20. * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
  21. * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
  22. * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
  23. * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
  24. * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
  25. * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
  26. * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  27. *
  28. */
  29. /* ----------------------- System includes ----------------------------------*/
  30. #include "stdlib.h"
  31. #include "string.h"
  32. /* ----------------------- Platform includes --------------------------------*/
  33. #include "port.h"
  34. /* ----------------------- Modbus includes ----------------------------------*/
  35. #include "mb.h"
  36. #include "mbframe.h"
  37. #include "mbproto.h"
  38. #include "mbconfig.h"
  39. #if MB_FUNC_OTHER_REP_SLAVEID_ENABLED > 0
  40. /* ----------------------- Static variables ---------------------------------*/
  41. static UCHAR ucMBSlaveID[MB_FUNC_OTHER_REP_SLAVEID_BUF];
  42. static USHORT usMBSlaveIDLen;
  43. /* ----------------------- Start implementation -----------------------------*/
  44. eMBErrorCode
  45. eMBSetSlaveID( UCHAR ucSlaveID, BOOL xIsRunning,
  46. UCHAR const *pucAdditional, USHORT usAdditionalLen )
  47. {
  48. eMBErrorCode eStatus = MB_ENOERR;
  49. /* the first byte and second byte in the buffer is reserved for
  50. * the parameter ucSlaveID and the running flag. The rest of
  51. * the buffer is available for additional data. */
  52. if( usAdditionalLen + 2 < MB_FUNC_OTHER_REP_SLAVEID_BUF )
  53. {
  54. usMBSlaveIDLen = 0;
  55. ucMBSlaveID[usMBSlaveIDLen++] = ucSlaveID;
  56. ucMBSlaveID[usMBSlaveIDLen++] = ( UCHAR )( xIsRunning ? 0xFF : 0x00 );
  57. if( usAdditionalLen > 0 )
  58. {
  59. memcpy( &ucMBSlaveID[usMBSlaveIDLen], pucAdditional,
  60. ( size_t )usAdditionalLen );
  61. usMBSlaveIDLen += usAdditionalLen;
  62. }
  63. }
  64. else
  65. {
  66. eStatus = MB_ENORES;
  67. }
  68. return eStatus;
  69. }
  70. /*
  71. eMBException
  72. eMBFuncReportSlaveID( UCHAR * pucFrame, USHORT * usLen )
  73. {
  74. memcpy( &pucFrame[MB_PDU_DATA_OFF], &ucMBSlaveID[0], ( size_t )usMBSlaveIDLen );
  75. *usLen = ( USHORT )( MB_PDU_DATA_OFF + usMBSlaveIDLen );
  76. return MB_EX_NONE;
  77. }
  78. */
  79. #endif
  80. #if MB_FUNC_UPDATE_ENABLED > 0
  81. eMBException
  82. eMBFuncUpdate( UCHAR * pucFrame, USHORT * usLen )
  83. {
  84. return eMBUpdateCB(pucFrame, usLen);
  85. }
  86. #endif
  87. #if MB_FUNC_SET_ADDR_ID_ENABLED > 0
  88. eMBException
  89. eMBFuncSetAddrId( UCHAR * pucFrame, USHORT * usLen )
  90. {
  91. return eMBSetAddrIdCB(pucFrame, usLen);
  92. }
  93. #endif
  94. #if MB_FUNC_SET_ADDR_SERIAL_ENABLED > 0
  95. eMBException
  96. eMBFuncSetAddrSerial( UCHAR * pucFrame, USHORT * usLen )
  97. {
  98. return eMBSetAddrSerialCB(pucFrame, usLen);
  99. }
  100. #endif