hsu han-lin / Modbus_For_F446RE

1.original from Cam Marshall 2.use for F446RE Test 3.use the interrupt method of uart 4.not change to RTOS yet

Dependents:   RoboticArm Modbus_Gripper_Test

functions/mbfunccoils.cpp@0:aefcdfe9ca2f, 2017-03-31 (annotated)

Committer:
stanley1228
Date:
Fri Mar 31 01:47:35 2017 +0000
Revision:
0:aefcdfe9ca2f
1.change the file in "port" folder to F446RE use

Who changed what in which revision?

UserRevisionLine numberNew contents of line
stanley1228 0:aefcdfe9ca2f 1 /*
stanley1228 0:aefcdfe9ca2f 2 * FreeModbus Libary: A portable Modbus implementation for Modbus ASCII/RTU.
stanley1228 0:aefcdfe9ca2f 3 * Copyright (c) 2006 Christian Walter <wolti@sil.at>
stanley1228 0:aefcdfe9ca2f 4 * All rights reserved.
stanley1228 0:aefcdfe9ca2f 5 *
stanley1228 0:aefcdfe9ca2f 6 * Redistribution and use in source and binary forms, with or without
stanley1228 0:aefcdfe9ca2f 7 * modification, are permitted provided that the following conditions
stanley1228 0:aefcdfe9ca2f 8 * are met:
stanley1228 0:aefcdfe9ca2f 9 * 1. Redistributions of source code must retain the above copyright
stanley1228 0:aefcdfe9ca2f 10 * notice, this list of conditions and the following disclaimer.
stanley1228 0:aefcdfe9ca2f 11 * 2. Redistributions in binary form must reproduce the above copyright
stanley1228 0:aefcdfe9ca2f 12 * notice, this list of conditions and the following disclaimer in the
stanley1228 0:aefcdfe9ca2f 13 * documentation and/or other materials provided with the distribution.
stanley1228 0:aefcdfe9ca2f 14 * 3. The name of the author may not be used to endorse or promote products
stanley1228 0:aefcdfe9ca2f 15 * derived from this software without specific prior written permission.
stanley1228 0:aefcdfe9ca2f 16 *
stanley1228 0:aefcdfe9ca2f 17 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
stanley1228 0:aefcdfe9ca2f 18 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
stanley1228 0:aefcdfe9ca2f 19 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
stanley1228 0:aefcdfe9ca2f 20 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
stanley1228 0:aefcdfe9ca2f 21 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
stanley1228 0:aefcdfe9ca2f 22 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
stanley1228 0:aefcdfe9ca2f 23 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
stanley1228 0:aefcdfe9ca2f 24 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
stanley1228 0:aefcdfe9ca2f 25 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
stanley1228 0:aefcdfe9ca2f 26 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
stanley1228 0:aefcdfe9ca2f 27 *
stanley1228 0:aefcdfe9ca2f 28 * File: $Id: mbfunccoils.c,v 1.8 2007/02/18 23:47:16 wolti Exp $
stanley1228 0:aefcdfe9ca2f 29 */
stanley1228 0:aefcdfe9ca2f 30
stanley1228 0:aefcdfe9ca2f 31 /* ----------------------- System includes ----------------------------------*/
stanley1228 0:aefcdfe9ca2f 32 #include "stdlib.h"
stanley1228 0:aefcdfe9ca2f 33 #include "string.h"
stanley1228 0:aefcdfe9ca2f 34
stanley1228 0:aefcdfe9ca2f 35 /* ----------------------- Platform includes --------------------------------*/
stanley1228 0:aefcdfe9ca2f 36 #include "port.h"
stanley1228 0:aefcdfe9ca2f 37
stanley1228 0:aefcdfe9ca2f 38 /* ----------------------- Modbus includes ----------------------------------*/
stanley1228 0:aefcdfe9ca2f 39 #include "mb.h"
stanley1228 0:aefcdfe9ca2f 40 #include "mbframe.h"
stanley1228 0:aefcdfe9ca2f 41 #include "mbproto.h"
stanley1228 0:aefcdfe9ca2f 42 #include "mbconfig.h"
stanley1228 0:aefcdfe9ca2f 43
stanley1228 0:aefcdfe9ca2f 44 /* ----------------------- Defines ------------------------------------------*/
stanley1228 0:aefcdfe9ca2f 45 #define MB_PDU_FUNC_READ_ADDR_OFF ( MB_PDU_DATA_OFF )
stanley1228 0:aefcdfe9ca2f 46 #define MB_PDU_FUNC_READ_COILCNT_OFF ( MB_PDU_DATA_OFF + 2 )
stanley1228 0:aefcdfe9ca2f 47 #define MB_PDU_FUNC_READ_SIZE ( 4 )
stanley1228 0:aefcdfe9ca2f 48 #define MB_PDU_FUNC_READ_COILCNT_MAX ( 0x07D0 )
stanley1228 0:aefcdfe9ca2f 49
stanley1228 0:aefcdfe9ca2f 50 #define MB_PDU_FUNC_WRITE_ADDR_OFF ( MB_PDU_DATA_OFF )
stanley1228 0:aefcdfe9ca2f 51 #define MB_PDU_FUNC_WRITE_VALUE_OFF ( MB_PDU_DATA_OFF + 2 )
stanley1228 0:aefcdfe9ca2f 52 #define MB_PDU_FUNC_WRITE_SIZE ( 4 )
stanley1228 0:aefcdfe9ca2f 53
stanley1228 0:aefcdfe9ca2f 54 #define MB_PDU_FUNC_WRITE_MUL_ADDR_OFF ( MB_PDU_DATA_OFF )
stanley1228 0:aefcdfe9ca2f 55 #define MB_PDU_FUNC_WRITE_MUL_COILCNT_OFF ( MB_PDU_DATA_OFF + 2 )
stanley1228 0:aefcdfe9ca2f 56 #define MB_PDU_FUNC_WRITE_MUL_BYTECNT_OFF ( MB_PDU_DATA_OFF + 4 )
stanley1228 0:aefcdfe9ca2f 57 #define MB_PDU_FUNC_WRITE_MUL_VALUES_OFF ( MB_PDU_DATA_OFF + 5 )
stanley1228 0:aefcdfe9ca2f 58 #define MB_PDU_FUNC_WRITE_MUL_SIZE_MIN ( 5 )
stanley1228 0:aefcdfe9ca2f 59 #define MB_PDU_FUNC_WRITE_MUL_COILCNT_MAX ( 0x07B0 )
stanley1228 0:aefcdfe9ca2f 60
stanley1228 0:aefcdfe9ca2f 61 /* ----------------------- Static functions ---------------------------------*/
stanley1228 0:aefcdfe9ca2f 62 eMBException prveMBError2Exception( eMBErrorCode eErrorCode );
stanley1228 0:aefcdfe9ca2f 63
stanley1228 0:aefcdfe9ca2f 64 /* ----------------------- Start implementation -----------------------------*/
stanley1228 0:aefcdfe9ca2f 65
stanley1228 0:aefcdfe9ca2f 66 #if MB_FUNC_READ_COILS_ENABLED > 0
stanley1228 0:aefcdfe9ca2f 67
stanley1228 0:aefcdfe9ca2f 68 eMBException
stanley1228 0:aefcdfe9ca2f 69 eMBFuncReadCoils( UCHAR * pucFrame, USHORT * usLen )
stanley1228 0:aefcdfe9ca2f 70 {
stanley1228 0:aefcdfe9ca2f 71 USHORT usRegAddress;
stanley1228 0:aefcdfe9ca2f 72 USHORT usCoilCount;
stanley1228 0:aefcdfe9ca2f 73 UCHAR ucNBytes;
stanley1228 0:aefcdfe9ca2f 74 UCHAR *pucFrameCur;
stanley1228 0:aefcdfe9ca2f 75
stanley1228 0:aefcdfe9ca2f 76 eMBException eStatus = MB_EX_NONE;
stanley1228 0:aefcdfe9ca2f 77 eMBErrorCode eRegStatus;
stanley1228 0:aefcdfe9ca2f 78
stanley1228 0:aefcdfe9ca2f 79 if( *usLen == ( MB_PDU_FUNC_READ_SIZE + MB_PDU_SIZE_MIN ) )
stanley1228 0:aefcdfe9ca2f 80 {
stanley1228 0:aefcdfe9ca2f 81 usRegAddress = ( USHORT )( pucFrame[MB_PDU_FUNC_READ_ADDR_OFF] << 8 );
stanley1228 0:aefcdfe9ca2f 82 usRegAddress |= ( USHORT )( pucFrame[MB_PDU_FUNC_READ_ADDR_OFF + 1] );
stanley1228 0:aefcdfe9ca2f 83 usRegAddress++;
stanley1228 0:aefcdfe9ca2f 84
stanley1228 0:aefcdfe9ca2f 85 usCoilCount = ( USHORT )( pucFrame[MB_PDU_FUNC_READ_COILCNT_OFF] << 8 );
stanley1228 0:aefcdfe9ca2f 86 usCoilCount |= ( USHORT )( pucFrame[MB_PDU_FUNC_READ_COILCNT_OFF + 1] );
stanley1228 0:aefcdfe9ca2f 87
stanley1228 0:aefcdfe9ca2f 88 /* Check if the number of registers to read is valid. If not
stanley1228 0:aefcdfe9ca2f 89 * return Modbus illegal data value exception.
stanley1228 0:aefcdfe9ca2f 90 */
stanley1228 0:aefcdfe9ca2f 91 if( ( usCoilCount >= 1 ) &&
stanley1228 0:aefcdfe9ca2f 92 ( usCoilCount < MB_PDU_FUNC_READ_COILCNT_MAX ) )
stanley1228 0:aefcdfe9ca2f 93 {
stanley1228 0:aefcdfe9ca2f 94 /* Set the current PDU data pointer to the beginning. */
stanley1228 0:aefcdfe9ca2f 95 pucFrameCur = &pucFrame[MB_PDU_FUNC_OFF];
stanley1228 0:aefcdfe9ca2f 96 *usLen = MB_PDU_FUNC_OFF;
stanley1228 0:aefcdfe9ca2f 97
stanley1228 0:aefcdfe9ca2f 98 /* First byte contains the function code. */
stanley1228 0:aefcdfe9ca2f 99 *pucFrameCur++ = MB_FUNC_READ_COILS;
stanley1228 0:aefcdfe9ca2f 100 *usLen += 1;
stanley1228 0:aefcdfe9ca2f 101
stanley1228 0:aefcdfe9ca2f 102 /* Test if the quantity of coils is a multiple of 8. If not last
stanley1228 0:aefcdfe9ca2f 103 * byte is only partially field with unused coils set to zero. */
stanley1228 0:aefcdfe9ca2f 104 if( ( usCoilCount & 0x0007 ) != 0 )
stanley1228 0:aefcdfe9ca2f 105 {
stanley1228 0:aefcdfe9ca2f 106 ucNBytes = ( UCHAR )( usCoilCount / 8 + 1 );
stanley1228 0:aefcdfe9ca2f 107 }
stanley1228 0:aefcdfe9ca2f 108 else
stanley1228 0:aefcdfe9ca2f 109 {
stanley1228 0:aefcdfe9ca2f 110 ucNBytes = ( UCHAR )( usCoilCount / 8 );
stanley1228 0:aefcdfe9ca2f 111 }
stanley1228 0:aefcdfe9ca2f 112 *pucFrameCur++ = ucNBytes;
stanley1228 0:aefcdfe9ca2f 113 *usLen += 1;
stanley1228 0:aefcdfe9ca2f 114
stanley1228 0:aefcdfe9ca2f 115 eRegStatus =
stanley1228 0:aefcdfe9ca2f 116 eMBRegCoilsCB( pucFrameCur, usRegAddress, usCoilCount,
stanley1228 0:aefcdfe9ca2f 117 MB_REG_READ );
stanley1228 0:aefcdfe9ca2f 118
stanley1228 0:aefcdfe9ca2f 119 /* If an error occured convert it into a Modbus exception. */
stanley1228 0:aefcdfe9ca2f 120 if( eRegStatus != MB_ENOERR )
stanley1228 0:aefcdfe9ca2f 121 {
stanley1228 0:aefcdfe9ca2f 122 eStatus = prveMBError2Exception( eRegStatus );
stanley1228 0:aefcdfe9ca2f 123 }
stanley1228 0:aefcdfe9ca2f 124 else
stanley1228 0:aefcdfe9ca2f 125 {
stanley1228 0:aefcdfe9ca2f 126 /* The response contains the function code, the starting address
stanley1228 0:aefcdfe9ca2f 127 * and the quantity of registers. We reuse the old values in the
stanley1228 0:aefcdfe9ca2f 128 * buffer because they are still valid. */
stanley1228 0:aefcdfe9ca2f 129 *usLen += ucNBytes;;
stanley1228 0:aefcdfe9ca2f 130 }
stanley1228 0:aefcdfe9ca2f 131 }
stanley1228 0:aefcdfe9ca2f 132 else
stanley1228 0:aefcdfe9ca2f 133 {
stanley1228 0:aefcdfe9ca2f 134 eStatus = MB_EX_ILLEGAL_DATA_VALUE;
stanley1228 0:aefcdfe9ca2f 135 }
stanley1228 0:aefcdfe9ca2f 136 }
stanley1228 0:aefcdfe9ca2f 137 else
stanley1228 0:aefcdfe9ca2f 138 {
stanley1228 0:aefcdfe9ca2f 139 /* Can't be a valid read coil register request because the length
stanley1228 0:aefcdfe9ca2f 140 * is incorrect. */
stanley1228 0:aefcdfe9ca2f 141 eStatus = MB_EX_ILLEGAL_DATA_VALUE;
stanley1228 0:aefcdfe9ca2f 142 }
stanley1228 0:aefcdfe9ca2f 143 return eStatus;
stanley1228 0:aefcdfe9ca2f 144 }
stanley1228 0:aefcdfe9ca2f 145
stanley1228 0:aefcdfe9ca2f 146 #if MB_FUNC_WRITE_COIL_ENABLED > 0
stanley1228 0:aefcdfe9ca2f 147 eMBException
stanley1228 0:aefcdfe9ca2f 148 eMBFuncWriteCoil( UCHAR * pucFrame, USHORT * usLen )
stanley1228 0:aefcdfe9ca2f 149 {
stanley1228 0:aefcdfe9ca2f 150 USHORT usRegAddress;
stanley1228 0:aefcdfe9ca2f 151 UCHAR ucBuf[2];
stanley1228 0:aefcdfe9ca2f 152
stanley1228 0:aefcdfe9ca2f 153 eMBException eStatus = MB_EX_NONE;
stanley1228 0:aefcdfe9ca2f 154 eMBErrorCode eRegStatus;
stanley1228 0:aefcdfe9ca2f 155
stanley1228 0:aefcdfe9ca2f 156 if( *usLen == ( MB_PDU_FUNC_WRITE_SIZE + MB_PDU_SIZE_MIN ) )
stanley1228 0:aefcdfe9ca2f 157 {
stanley1228 0:aefcdfe9ca2f 158 usRegAddress = ( USHORT )( pucFrame[MB_PDU_FUNC_WRITE_ADDR_OFF] << 8 );
stanley1228 0:aefcdfe9ca2f 159 usRegAddress |= ( USHORT )( pucFrame[MB_PDU_FUNC_WRITE_ADDR_OFF + 1] );
stanley1228 0:aefcdfe9ca2f 160 usRegAddress++;
stanley1228 0:aefcdfe9ca2f 161
stanley1228 0:aefcdfe9ca2f 162 if( ( pucFrame[MB_PDU_FUNC_WRITE_VALUE_OFF + 1] == 0x00 ) &&
stanley1228 0:aefcdfe9ca2f 163 ( ( pucFrame[MB_PDU_FUNC_WRITE_VALUE_OFF] == 0xFF ) ||
stanley1228 0:aefcdfe9ca2f 164 ( pucFrame[MB_PDU_FUNC_WRITE_VALUE_OFF] == 0x00 ) ) )
stanley1228 0:aefcdfe9ca2f 165 {
stanley1228 0:aefcdfe9ca2f 166 ucBuf[1] = 0;
stanley1228 0:aefcdfe9ca2f 167 if( pucFrame[MB_PDU_FUNC_WRITE_VALUE_OFF] == 0xFF )
stanley1228 0:aefcdfe9ca2f 168 {
stanley1228 0:aefcdfe9ca2f 169 ucBuf[0] = 1;
stanley1228 0:aefcdfe9ca2f 170 }
stanley1228 0:aefcdfe9ca2f 171 else
stanley1228 0:aefcdfe9ca2f 172 {
stanley1228 0:aefcdfe9ca2f 173 ucBuf[0] = 0;
stanley1228 0:aefcdfe9ca2f 174 }
stanley1228 0:aefcdfe9ca2f 175 eRegStatus =
stanley1228 0:aefcdfe9ca2f 176 eMBRegCoilsCB( &ucBuf[0], usRegAddress, 1, MB_REG_WRITE );
stanley1228 0:aefcdfe9ca2f 177
stanley1228 0:aefcdfe9ca2f 178 /* If an error occured convert it into a Modbus exception. */
stanley1228 0:aefcdfe9ca2f 179 if( eRegStatus != MB_ENOERR )
stanley1228 0:aefcdfe9ca2f 180 {
stanley1228 0:aefcdfe9ca2f 181 eStatus = prveMBError2Exception( eRegStatus );
stanley1228 0:aefcdfe9ca2f 182 }
stanley1228 0:aefcdfe9ca2f 183 }
stanley1228 0:aefcdfe9ca2f 184 else
stanley1228 0:aefcdfe9ca2f 185 {
stanley1228 0:aefcdfe9ca2f 186 eStatus = MB_EX_ILLEGAL_DATA_VALUE;
stanley1228 0:aefcdfe9ca2f 187 }
stanley1228 0:aefcdfe9ca2f 188 }
stanley1228 0:aefcdfe9ca2f 189 else
stanley1228 0:aefcdfe9ca2f 190 {
stanley1228 0:aefcdfe9ca2f 191 /* Can't be a valid write coil register request because the length
stanley1228 0:aefcdfe9ca2f 192 * is incorrect. */
stanley1228 0:aefcdfe9ca2f 193 eStatus = MB_EX_ILLEGAL_DATA_VALUE;
stanley1228 0:aefcdfe9ca2f 194 }
stanley1228 0:aefcdfe9ca2f 195 return eStatus;
stanley1228 0:aefcdfe9ca2f 196 }
stanley1228 0:aefcdfe9ca2f 197
stanley1228 0:aefcdfe9ca2f 198 #endif
stanley1228 0:aefcdfe9ca2f 199
stanley1228 0:aefcdfe9ca2f 200 #if MB_FUNC_WRITE_MULTIPLE_COILS_ENABLED > 0
stanley1228 0:aefcdfe9ca2f 201 eMBException
stanley1228 0:aefcdfe9ca2f 202 eMBFuncWriteMultipleCoils( UCHAR * pucFrame, USHORT * usLen )
stanley1228 0:aefcdfe9ca2f 203 {
stanley1228 0:aefcdfe9ca2f 204 USHORT usRegAddress;
stanley1228 0:aefcdfe9ca2f 205 USHORT usCoilCnt;
stanley1228 0:aefcdfe9ca2f 206 UCHAR ucByteCount;
stanley1228 0:aefcdfe9ca2f 207 UCHAR ucByteCountVerify;
stanley1228 0:aefcdfe9ca2f 208
stanley1228 0:aefcdfe9ca2f 209 eMBException eStatus = MB_EX_NONE;
stanley1228 0:aefcdfe9ca2f 210 eMBErrorCode eRegStatus;
stanley1228 0:aefcdfe9ca2f 211
stanley1228 0:aefcdfe9ca2f 212 if( *usLen > ( MB_PDU_FUNC_WRITE_SIZE + MB_PDU_SIZE_MIN ) )
stanley1228 0:aefcdfe9ca2f 213 {
stanley1228 0:aefcdfe9ca2f 214 usRegAddress = ( USHORT )( pucFrame[MB_PDU_FUNC_WRITE_MUL_ADDR_OFF] << 8 );
stanley1228 0:aefcdfe9ca2f 215 usRegAddress |= ( USHORT )( pucFrame[MB_PDU_FUNC_WRITE_MUL_ADDR_OFF + 1] );
stanley1228 0:aefcdfe9ca2f 216 usRegAddress++;
stanley1228 0:aefcdfe9ca2f 217
stanley1228 0:aefcdfe9ca2f 218 usCoilCnt = ( USHORT )( pucFrame[MB_PDU_FUNC_WRITE_MUL_COILCNT_OFF] << 8 );
stanley1228 0:aefcdfe9ca2f 219 usCoilCnt |= ( USHORT )( pucFrame[MB_PDU_FUNC_WRITE_MUL_COILCNT_OFF + 1] );
stanley1228 0:aefcdfe9ca2f 220
stanley1228 0:aefcdfe9ca2f 221 ucByteCount = pucFrame[MB_PDU_FUNC_WRITE_MUL_BYTECNT_OFF];
stanley1228 0:aefcdfe9ca2f 222
stanley1228 0:aefcdfe9ca2f 223 /* Compute the number of expected bytes in the request. */
stanley1228 0:aefcdfe9ca2f 224 if( ( usCoilCnt & 0x0007 ) != 0 )
stanley1228 0:aefcdfe9ca2f 225 {
stanley1228 0:aefcdfe9ca2f 226 ucByteCountVerify = ( UCHAR )( usCoilCnt / 8 + 1 );
stanley1228 0:aefcdfe9ca2f 227 }
stanley1228 0:aefcdfe9ca2f 228 else
stanley1228 0:aefcdfe9ca2f 229 {
stanley1228 0:aefcdfe9ca2f 230 ucByteCountVerify = ( UCHAR )( usCoilCnt / 8 );
stanley1228 0:aefcdfe9ca2f 231 }
stanley1228 0:aefcdfe9ca2f 232
stanley1228 0:aefcdfe9ca2f 233 if( ( usCoilCnt >= 1 ) &&
stanley1228 0:aefcdfe9ca2f 234 ( usCoilCnt <= MB_PDU_FUNC_WRITE_MUL_COILCNT_MAX ) &&
stanley1228 0:aefcdfe9ca2f 235 ( ucByteCountVerify == ucByteCount ) )
stanley1228 0:aefcdfe9ca2f 236 {
stanley1228 0:aefcdfe9ca2f 237 eRegStatus =
stanley1228 0:aefcdfe9ca2f 238 eMBRegCoilsCB( &pucFrame[MB_PDU_FUNC_WRITE_MUL_VALUES_OFF],
stanley1228 0:aefcdfe9ca2f 239 usRegAddress, usCoilCnt, MB_REG_WRITE );
stanley1228 0:aefcdfe9ca2f 240
stanley1228 0:aefcdfe9ca2f 241 /* If an error occured convert it into a Modbus exception. */
stanley1228 0:aefcdfe9ca2f 242 if( eRegStatus != MB_ENOERR )
stanley1228 0:aefcdfe9ca2f 243 {
stanley1228 0:aefcdfe9ca2f 244 eStatus = prveMBError2Exception( eRegStatus );
stanley1228 0:aefcdfe9ca2f 245 }
stanley1228 0:aefcdfe9ca2f 246 else
stanley1228 0:aefcdfe9ca2f 247 {
stanley1228 0:aefcdfe9ca2f 248 /* The response contains the function code, the starting address
stanley1228 0:aefcdfe9ca2f 249 * and the quantity of registers. We reuse the old values in the
stanley1228 0:aefcdfe9ca2f 250 * buffer because they are still valid. */
stanley1228 0:aefcdfe9ca2f 251 *usLen = MB_PDU_FUNC_WRITE_MUL_BYTECNT_OFF;
stanley1228 0:aefcdfe9ca2f 252 }
stanley1228 0:aefcdfe9ca2f 253 }
stanley1228 0:aefcdfe9ca2f 254 else
stanley1228 0:aefcdfe9ca2f 255 {
stanley1228 0:aefcdfe9ca2f 256 eStatus = MB_EX_ILLEGAL_DATA_VALUE;
stanley1228 0:aefcdfe9ca2f 257 }
stanley1228 0:aefcdfe9ca2f 258 }
stanley1228 0:aefcdfe9ca2f 259 else
stanley1228 0:aefcdfe9ca2f 260 {
stanley1228 0:aefcdfe9ca2f 261 /* Can't be a valid write coil register request because the length
stanley1228 0:aefcdfe9ca2f 262 * is incorrect. */
stanley1228 0:aefcdfe9ca2f 263 eStatus = MB_EX_ILLEGAL_DATA_VALUE;
stanley1228 0:aefcdfe9ca2f 264 }
stanley1228 0:aefcdfe9ca2f 265 return eStatus;
stanley1228 0:aefcdfe9ca2f 266 }
stanley1228 0:aefcdfe9ca2f 267
stanley1228 0:aefcdfe9ca2f 268 #endif
stanley1228 0:aefcdfe9ca2f 269
stanley1228 0:aefcdfe9ca2f 270 #endif