amiro-blt / Host / Source / SerialBoot / xcpmaster.c @ 2b9a14a2
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/************************************************************************************//** |
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* \file xcpmaster.c
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* \brief XCP Master source file.
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* \ingroup SerialBoot
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* \internal
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*----------------------------------------------------------------------------------------
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* C O P Y R I G H T
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*----------------------------------------------------------------------------------------
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* Copyright (c) 2014 by Feaser http://www.feaser.com All rights reserved
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*
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*----------------------------------------------------------------------------------------
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* L I C E N S E
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*----------------------------------------------------------------------------------------
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* This file is part of OpenBLT. OpenBLT is free software: you can redistribute it and/or
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* modify it under the terms of the GNU General Public License as published by the Free
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* Software Foundation, either version 3 of the License, or (at your option) any later
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* version.
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*
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* OpenBLT is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY;
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* without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
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* PURPOSE. See the GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License along with OpenBLT.
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* If not, see <http://www.gnu.org/licenses/>.
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*
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* A special exception to the GPL is included to allow you to distribute a combined work
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* that includes OpenBLT without being obliged to provide the source code for any
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* proprietary components. The exception text is included at the bottom of the license
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* file <license.html>.
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*
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* \endinternal
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****************************************************************************************/
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/****************************************************************************************
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* Include files
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****************************************************************************************/
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#include <assert.h> /* assertion module */ |
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#include <sb_types.h> /* C types */ |
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#include "xcpmaster.h" /* XCP master protocol module */ |
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/****************************************************************************************
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* Macro definitions
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****************************************************************************************/
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/* XCP command codes as defined by the protocol currently supported by this module */
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#define XCP_MASTER_CMD_CONNECT (0xFF) |
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#define XCP_MASTER_CMD_DISCONNECT (0xFE) |
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#define XCP_MASTER_CMD_SET_MTA (0xF6) |
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#define XCP_MASTER_CMD_UPLOAD (0xF5) |
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#define XCP_MASTER_CMD_PROGRAM_START (0xD2) |
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#define XCP_MASTER_CMD_PROGRAM_CLEAR (0xD1) |
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#define XCP_MASTER_CMD_PROGRAM (0xD0) |
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#define XCP_MASTER_CMD_PROGRAM_RESET (0xCF) |
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#define XCP_MASTER_CMD_PROGRAM_MAX (0xC9) |
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/* XCP response packet IDs as defined by the protocol */
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#define XCP_MASTER_CMD_PID_RES (0xFF) /* positive response */ |
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/* timeout values */
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#define XCP_MASTER_CONNECT_TIMEOUT_MS (20) |
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#define XCP_MASTER_TIMEOUT_T1_MS (1000) /* standard command timeout */ |
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#define XCP_MASTER_TIMEOUT_T2_MS (2000) /* build checksum timeout */ |
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#define XCP_MASTER_TIMEOUT_T3_MS (2000) /* program start timeout */ |
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#define XCP_MASTER_TIMEOUT_T4_MS (10000) /* erase timeout */ |
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#define XCP_MASTER_TIMEOUT_T5_MS (1000) /* write and reset timeout */ |
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#define XCP_MASTER_TIMEOUT_T6_MS (1000) /* user specific connect connect timeout */ |
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#define XCP_MASTER_TIMEOUT_T7_MS (2000) /* wait timer timeout */ |
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/* XCP error codes */
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/** \brief Cmd processor synchronization error code. */
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#define XCP_ERR_CMD_SYNCH (0x00) |
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/** \brief Command was not executed error code. */
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#define XCP_ERR_CMD_BUSY (0x10) |
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/** \brief Unknown or unsupported command error code. */
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#define XCP_ERR_CMD_UNKNOWN (0x20) |
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/** \brief Parameter out of range error code. */
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#define XCP_ERR_OUT_OF_RANGE (0x22) |
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/** \brief Protected error code. Seed/key required. */
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#define XCP_ERR_ACCESS_LOCKED (0x25) |
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/** \brief Cal page not valid error code. */
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#define XCP_ERR_PAGE_NOT_VALID (0x26) |
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/** \brief Sequence error code. */
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#define XCP_ERR_SEQUENCE (0x29) |
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/** \brief Generic error code. */
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#define XCP_ERR_GENERIC (0x31) |
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/** \brief Number of retries to connect to the XCP slave. */
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#define XCP_MASTER_CONNECT_RETRIES (5) |
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/****************************************************************************************
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* Function prototypes
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****************************************************************************************/
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static sb_uint8 XcpMasterSendCmdConnect(sb_uint32 flashingTargetID);
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static sb_uint8 XcpMasterSendCmdSetMta(sb_uint32 address);
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static sb_uint8 XcpMasterSendCmdUpload(sb_uint8 data[], sb_uint8 length);
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static sb_uint8 XcpMasterSendCmdProgramStart(void); |
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static sb_uint8 XcpMasterSendCmdDisconnect(void); |
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static sb_uint8 XcpMasterSendCmdProgramReset(void); |
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static sb_uint8 XcpMasterSendCmdProgram(sb_uint8 length, sb_uint8 data[]);
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static sb_uint8 XcpMasterSendCmdProgramMax(sb_uint8 data[]);
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static sb_uint8 XcpMasterSendCmdProgramClear(sb_uint32 length);
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static void XcpMasterSetOrderedLong(sb_uint32 value, sb_uint8 data[]); |
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static void XcpMasterPrintError(sb_uint8 error); |
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/****************************************************************************************
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* Local data declarations
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****************************************************************************************/
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/** \brief Store the byte ordering of the XCP slave. */
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static sb_uint8 xcpSlaveIsIntel = SB_FALSE;
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/** \brief The max number of bytes in the command transmit object (master->slave). */
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static sb_uint8 xcpMaxCto;
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/** \brief The max number of bytes in the command transmit object (master->slave) during
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* a programming session.
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*/
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static sb_uint8 xcpMaxProgCto = 0; |
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/** \brief The max number of bytes in the data transmit object (slave->master). */
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static sb_uint8 xcpMaxDto;
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/** \brief Internal data buffer for storing the data of the XCP response packet. */
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static tXcpTransportResponsePacket responsePacket;
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/************************************************************************************//** |
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** \brief Initializes the XCP master protocol layer.
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** \param device Serial communication device name. For example "COM4".
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** \param baudrate Communication speed in bits/sec.
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** \return SB_TRUE is successful, SB_FALSE otherwise.
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**
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****************************************************************************************/
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sb_uint8 XcpMasterInit(sb_char *device, sb_uint32 baudrate, sb_uint8 comIsUart) |
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{ |
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/* initialize the underlying transport layer that is used for the communication */
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return XcpTransportInit(device, baudrate, comIsUart);
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} /*** end of XcpMasterInit ***/
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/************************************************************************************//** |
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** \brief Uninitializes the XCP master protocol layer.
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** \return none.
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**
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****************************************************************************************/
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void XcpMasterDeinit(void) |
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{ |
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XcpTransportClose(); |
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} /*** end of XcpMasterDeinit ***/
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/************************************************************************************//** |
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** \brief Connect to the XCP slave.
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** \return SB_TRUE is successfull, SB_FALSE otherwise.
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**
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****************************************************************************************/
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sb_uint8 XcpMasterConnect(sb_uint32 flashingTargetID) |
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{ |
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sb_uint8 cnt; |
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sb_uint8 retries = 1;
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if (flashingTargetID <= 0) { |
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retries = XCP_MASTER_CONNECT_RETRIES; |
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} |
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/* try to connect with a finite amount of retries */
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for (cnt=0; cnt<retries; cnt++) |
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{ |
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/* send the connect command */
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if (XcpMasterSendCmdConnect(flashingTargetID) == SB_TRUE)
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{ |
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/* connected so no need to retry */
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return SB_TRUE;
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} |
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} |
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/* still here so could not connect */
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return SB_FALSE;
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} /*** end of XcpMasterConnect ***/
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/************************************************************************************//** |
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** \brief Disconnect the slave.
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** \return SB_TRUE is successfull, SB_FALSE otherwise.
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**
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****************************************************************************************/
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sb_uint8 XcpMasterDisconnect(void)
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{ |
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/* send reset command instead of the disconnect. this causes the user program on the
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* slave to automatically start again if present.
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*/
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return XcpMasterSendCmdDisconnect();
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} /*** end of XcpMasterDisconnect ***/
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/************************************************************************************//** |
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** \brief Resets the user program.
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** \return SB_TRUE is successfull, SB_FALSE otherwise.
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**
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****************************************************************************************/
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sb_uint8 XcpMasterProgramReset(void)
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{ |
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/* send reset command instead of the disconnect. this causes the user program on the
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* slave to automatically start again if present.
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*/
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return XcpMasterSendCmdProgramReset();
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} /*** end of XcpMasterDisconnect ***/
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/************************************************************************************//** |
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** \brief Puts a connected slave in programming session.
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** \return SB_TRUE is successfull, SB_FALSE otherwise.
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**
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****************************************************************************************/
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sb_uint8 XcpMasterStartProgrammingSession(void)
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{ |
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/* place the slave in programming mode */
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return XcpMasterSendCmdProgramStart();
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} /*** end of XcpMasterStartProgrammingSession ***/
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/************************************************************************************//** |
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** \brief Stops the programming session by sending a program command with size 0 and
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** then resetting the slave.
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** \return SB_TRUE is successfull, SB_FALSE otherwise.
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**
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****************************************************************************************/
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sb_uint8 XcpMasterStopProgrammingSession(void)
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{ |
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/* stop programming by sending the program command with size 0 */
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if (XcpMasterSendCmdProgram(0, SB_NULL) == SB_FALSE) |
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{ |
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return SB_FALSE;
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} |
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/* request a reset of the slave */
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// return XcpMasterSendCmdProgramReset();
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return SB_TRUE;
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} /*** end of XcpMasterStopProgrammingSession ***/
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/************************************************************************************//** |
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** \brief Erases non volatile memory on the slave.
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** \param addr Base memory address for the erase operation.
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** \param len Number of bytes to erase.
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** \return SB_TRUE is successfull, SB_FALSE otherwise.
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**
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****************************************************************************************/
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sb_uint8 XcpMasterClearMemory(sb_uint32 addr, sb_uint32 len) |
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{ |
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/* first set the MTA pointer */
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if (XcpMasterSendCmdSetMta(addr) == SB_FALSE)
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{ |
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return SB_FALSE;
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} |
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/* now perform the erase operation */
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return XcpMasterSendCmdProgramClear(len);
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} /*** end of XcpMasterClearMemory ***/
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/************************************************************************************//** |
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** \brief Reads data from the slave's memory.
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** \param addr Base memory address for the read operation
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** \param len Number of bytes to read.
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** \param data Destination buffer for storing the read data bytes.
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** \return SB_TRUE is successfull, SB_FALSE otherwise.
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**
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****************************************************************************************/
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sb_uint8 XcpMasterReadData(sb_uint32 addr, sb_uint32 len, sb_uint8 data[]) |
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{ |
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sb_uint8 currentReadCnt; |
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sb_uint32 bufferOffset = 0;
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/* first set the MTA pointer */
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if (XcpMasterSendCmdSetMta(addr) == SB_FALSE)
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{ |
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return SB_FALSE;
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} |
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/* perform segmented upload of the data */
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while (len > 0) |
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{ |
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/* set the current read length to make optimal use of the available packet data. */
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currentReadCnt = len % (xcpMaxDto - 1);
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if (currentReadCnt == 0) |
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{ |
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currentReadCnt = (xcpMaxDto - 1);
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} |
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/* upload some data */
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if (XcpMasterSendCmdUpload(&data[bufferOffset], currentReadCnt) == SB_FALSE)
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{ |
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return SB_FALSE;
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} |
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/* update loop variables */
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len -= currentReadCnt; |
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bufferOffset += currentReadCnt; |
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} |
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/* still here so all data successfully read from the slave */
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return SB_TRUE;
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} /*** end of XcpMasterReadData ***/
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/************************************************************************************//** |
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** \brief Programs data to the slave's non volatile memory. Note that it must be
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** erased first.
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** \param addr Base memory address for the program operation
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** \param len Number of bytes to program.
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** \param data Source buffer with the to be programmed bytes.
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** \return SB_TRUE is successfull, SB_FALSE otherwise.
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**
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****************************************************************************************/
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sb_uint8 XcpMasterProgramData(sb_uint32 addr, sb_uint32 len, sb_uint8 data[]) |
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{ |
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sb_uint8 currentWriteCnt; |
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sb_uint32 bufferOffset = 0;
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/* first set the MTA pointer */
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if (XcpMasterSendCmdSetMta(addr) == SB_FALSE)
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{ |
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return SB_FALSE;
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} |
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/* perform segmented programming of the data */
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while (len > 0) |
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{ |
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/* set the current read length to make optimal use of the available packet data. */
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currentWriteCnt = len % (xcpMaxProgCto - 1);
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if (currentWriteCnt == 0) |
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{ |
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currentWriteCnt = (xcpMaxProgCto - 1);
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} |
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/* prepare the packed data for the program command */
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if (currentWriteCnt < (xcpMaxProgCto - 1)) |
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{ |
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/* program data */
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if (XcpMasterSendCmdProgram(currentWriteCnt, &data[bufferOffset]) == SB_FALSE)
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{ |
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return SB_FALSE;
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} |
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} |
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else
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{ |
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/* program max data */
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if (XcpMasterSendCmdProgramMax(&data[bufferOffset]) == SB_FALSE)
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{ |
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return SB_FALSE;
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} |
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} |
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/* update loop variables */
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len -= currentWriteCnt; |
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bufferOffset += currentWriteCnt; |
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} |
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/* still here so all data successfully programmed */
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return SB_TRUE;
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} /*** end of XcpMasterProgramData ***/
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/************************************************************************************//** |
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** \brief Sends the XCP Connect command.
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** \return SB_TRUE is successfull, SB_FALSE otherwise.
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**
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****************************************************************************************/
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static sb_uint8 XcpMasterSendCmdConnect(sb_uint32 flashingTargetID)
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{ |
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sb_uint8 packetData[1+4]; |
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tXcpTransportResponsePacket *responsePacketPtr; |
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/* prepare the command packet */
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packetData[0] = XCP_MASTER_CMD_CONNECT;
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packetData[1] = (sb_uint8)(0xFF & flashingTargetID >> 0); |
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packetData[2] = (sb_uint8)(0xFF & flashingTargetID >> 8); |
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packetData[3] = (sb_uint8)(0xFF & flashingTargetID >> 16); |
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packetData[4] = (sb_uint8)(0xFF & flashingTargetID >> 24); |
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/* send the packet
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* NOTE: For legacy support the following code depends on the MSB if the flashingTargetID.
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* If the MSB (packData[4]) is zero (i.e. 0x00??????) the system switches to legacy mode.
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* In legacy mode, the flashingTargetID was only one byte - the LSB (packingData[1]).
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*/
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if (XcpTransportSendPacket(packetData, 1 + ((packetData[4] != 0) ? 4 : 1), XCP_MASTER_CONNECT_TIMEOUT_MS) == SB_FALSE) |
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{ |
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/* cound not set packet or receive response within the specified timeout */
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return SB_FALSE;
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} |
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/* still here so a response was received */
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responsePacketPtr = XcpTransportReadResponsePacket(); |
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/* check if the reponse was valid */
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if ( (responsePacketPtr->len == 0) || (responsePacketPtr->data[0] != XCP_MASTER_CMD_PID_RES) ) |
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{ |
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/* not a valid or positive response */
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return SB_FALSE;
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} |
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/* process response data */
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if ((responsePacketPtr->data[2] & 0x01) == 0) |
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{ |
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/* store slave's byte ordering information */
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xcpSlaveIsIntel = SB_TRUE; |
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} |
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/* store max number of bytes the slave allows for master->slave packets. */
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xcpMaxCto = responsePacketPtr->data[3];
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xcpMaxProgCto = xcpMaxCto; |
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/* store max number of bytes the slave allows for slave->master packets. */
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if (xcpSlaveIsIntel == SB_TRUE)
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{ |
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xcpMaxDto = responsePacketPtr->data[4] + (responsePacketPtr->data[5] << 8); |
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} |
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else
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{ |
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xcpMaxDto = responsePacketPtr->data[5] + (responsePacketPtr->data[4] << 8); |
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} |
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/* double check size configuration of the master */
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assert(XCP_MASTER_TX_MAX_DATA >= xcpMaxCto); |
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assert(XCP_MASTER_RX_MAX_DATA >= xcpMaxDto); |
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/* still here so all went well */
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return SB_TRUE;
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} /*** end of XcpMasterSendCmdConnect ***/
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/************************************************************************************//** |
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** \brief Sends the XCP Set MTA command.
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** \param address New MTA address for the slave.
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** \return SB_TRUE is successfull, SB_FALSE otherwise.
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**
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****************************************************************************************/
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static sb_uint8 XcpMasterSendCmdSetMta(sb_uint32 address)
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{ |
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sb_uint8 packetData[8];
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tXcpTransportResponsePacket *responsePacketPtr; |
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/* prepare the command packet */
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packetData[0] = XCP_MASTER_CMD_SET_MTA;
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packetData[1] = 0; /* reserved */ |
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packetData[2] = 0; /* reserved */ |
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packetData[3] = 0; /* address extension not supported */ |
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/* set the address taking into account byte ordering */
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XcpMasterSetOrderedLong(address, &packetData[4]);
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/* send the packet */
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if (XcpTransportSendPacket(packetData, 8, XCP_MASTER_TIMEOUT_T4_MS) == SB_FALSE) //XCP_MASTER_TIMEOUT_T1_MS |
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{ |
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/* cound not set packet or receive response within the specified timeout */
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printf("\nno response (set MTA)\n");
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return SB_FALSE;
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} |
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/* still here so a response was received */
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responsePacketPtr = XcpTransportReadResponsePacket(); |
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/* check if the reponse was valid */
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if ( (responsePacketPtr->len == 0) || (responsePacketPtr->data[0] != XCP_MASTER_CMD_PID_RES) ) |
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{ |
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/* not a valid or positive response */
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if (responsePacketPtr->len == 0) { |
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printf("\nmessage length = 0");
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} else {
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XcpMasterPrintError(responsePacketPtr->data[1]);
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} |
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printf(" (set MTA)\n");
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return SB_FALSE;
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} |
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/* still here so all went well */
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return SB_TRUE;
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} /*** end of XcpMasterSendCmdSetMta ***/
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|
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/************************************************************************************//** |
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** \brief Sends the XCP UPLOAD command.
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** \param data Destination data buffer.
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** \param length Number of bytes to upload.
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** \return SB_TRUE is successfull, SB_FALSE otherwise.
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**
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****************************************************************************************/
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static sb_uint8 XcpMasterSendCmdUpload(sb_uint8 data[], sb_uint8 length)
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{ |
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sb_uint8 packetData[2];
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tXcpTransportResponsePacket *responsePacketPtr; |
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sb_uint8 data_index; |
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|
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/* cannot request more data then the max rx data - 1 */
|
482 |
assert(length < XCP_MASTER_RX_MAX_DATA); |
483 |
|
484 |
/* prepare the command packet */
|
485 |
packetData[0] = XCP_MASTER_CMD_UPLOAD;
|
486 |
packetData[1] = length;
|
487 |
|
488 |
/* send the packet */
|
489 |
if (XcpTransportSendPacket(packetData, 2, XCP_MASTER_TIMEOUT_T4_MS) == SB_FALSE) //XCP_MASTER_TIMEOUT_T1_MS |
490 |
{ |
491 |
/* cound not set packet or receive response within the specified timeout */
|
492 |
printf("\nno response (upload)\n");
|
493 |
return SB_FALSE;
|
494 |
} |
495 |
/* still here so a response was received */
|
496 |
responsePacketPtr = XcpTransportReadResponsePacket(); |
497 |
|
498 |
/* check if the reponse was valid */
|
499 |
if ( (responsePacketPtr->len == 0) || (responsePacketPtr->data[0] != XCP_MASTER_CMD_PID_RES) ) |
500 |
{ |
501 |
/* not a valid or positive response */
|
502 |
if (responsePacketPtr->len == 0) { |
503 |
printf("\nmessage length = 0");
|
504 |
} else {
|
505 |
XcpMasterPrintError(responsePacketPtr->data[1]);
|
506 |
} |
507 |
printf(" (upload)\n");
|
508 |
return SB_FALSE;
|
509 |
} |
510 |
|
511 |
/* now store the uploaded data */
|
512 |
for (data_index=0; data_index<length; data_index++) |
513 |
{ |
514 |
data[data_index] = responsePacketPtr->data[data_index+1];
|
515 |
} |
516 |
|
517 |
/* still here so all went well */
|
518 |
return SB_TRUE;
|
519 |
} /*** end of XcpMasterSendCmdUpload ***/
|
520 |
|
521 |
|
522 |
/************************************************************************************//** |
523 |
** \brief Sends the XCP PROGRAM START command.
|
524 |
** \return SB_TRUE is successfull, SB_FALSE otherwise.
|
525 |
**
|
526 |
****************************************************************************************/
|
527 |
static sb_uint8 XcpMasterSendCmdProgramStart(void) |
528 |
{ |
529 |
sb_uint8 packetData[1];
|
530 |
tXcpTransportResponsePacket *responsePacketPtr; |
531 |
|
532 |
/* prepare the command packet */
|
533 |
packetData[0] = XCP_MASTER_CMD_PROGRAM_START;
|
534 |
|
535 |
/* send the packet */
|
536 |
if (XcpTransportSendPacket(packetData, 1, XCP_MASTER_TIMEOUT_T4_MS) == SB_FALSE) //XCP_MASTER_TIMEOUT_T3_MS |
537 |
{ |
538 |
/* cound not set packet or receive response within the specified timeout */
|
539 |
printf("\nno response (program start)\n");
|
540 |
return SB_FALSE;
|
541 |
} |
542 |
/* still here so a response was received */
|
543 |
responsePacketPtr = XcpTransportReadResponsePacket(); |
544 |
|
545 |
/* check if the reponse was valid */
|
546 |
if ( (responsePacketPtr->len == 0) || (responsePacketPtr->data[0] != XCP_MASTER_CMD_PID_RES) ) |
547 |
{ |
548 |
/* not a valid or positive response */
|
549 |
if (responsePacketPtr->len == 0) { |
550 |
printf("\nmessage length = 0");
|
551 |
} else {
|
552 |
XcpMasterPrintError(responsePacketPtr->data[1]);
|
553 |
} |
554 |
printf(" (program start)\n");
|
555 |
return SB_FALSE;
|
556 |
} |
557 |
|
558 |
/* store max number of bytes the slave allows for master->slave packets during the
|
559 |
* programming session
|
560 |
*/
|
561 |
xcpMaxProgCto = responsePacketPtr->data[3];
|
562 |
|
563 |
/* still here so all went well */
|
564 |
return SB_TRUE;
|
565 |
} /*** end of XcpMasterSendCmdProgramStart ***/
|
566 |
|
567 |
|
568 |
/************************************************************************************//** |
569 |
** \brief Sends the XCP PROGRAM DISCONNECT command.
|
570 |
** \return SB_TRUE is successfull, SB_FALSE otherwise.
|
571 |
**
|
572 |
****************************************************************************************/
|
573 |
static sb_uint8 XcpMasterSendCmdDisconnect(void) |
574 |
{ |
575 |
sb_uint8 packetData[1];
|
576 |
tXcpTransportResponsePacket *responsePacketPtr; |
577 |
|
578 |
/* prepare the command packet */
|
579 |
packetData[0] = XCP_MASTER_CMD_DISCONNECT;
|
580 |
|
581 |
/* send the packet */
|
582 |
if (XcpTransportSendPacket(packetData, 1, XCP_MASTER_TIMEOUT_T4_MS) == SB_FALSE) |
583 |
{ |
584 |
/* cound not set packet or receive response within the specified timeout */
|
585 |
return SB_FALSE;
|
586 |
} |
587 |
/* still here so a response was received */
|
588 |
responsePacketPtr = XcpTransportReadResponsePacket(); |
589 |
|
590 |
/* check if the reponse was valid */
|
591 |
if ( (responsePacketPtr->len == 0) || (responsePacketPtr->data[0] != XCP_MASTER_CMD_PID_RES) ) |
592 |
{ |
593 |
/* not a valid or positive response */
|
594 |
return SB_FALSE;
|
595 |
} |
596 |
|
597 |
/* still here so all went well */
|
598 |
return SB_TRUE;
|
599 |
} /*** end of XcpMasterSendCmdProgramStart ***/
|
600 |
|
601 |
|
602 |
/************************************************************************************//** |
603 |
** \brief Sends the XCP PROGRAM RESET command. Note that this command is a bit
|
604 |
** different as in it does not require a response.
|
605 |
** \return SB_TRUE is successfull, SB_FALSE otherwise.
|
606 |
**
|
607 |
****************************************************************************************/
|
608 |
static sb_uint8 XcpMasterSendCmdProgramReset(void) |
609 |
{ |
610 |
sb_uint8 packetData[1];
|
611 |
tXcpTransportResponsePacket *responsePacketPtr; |
612 |
|
613 |
/* prepare the command packet */
|
614 |
packetData[0] = XCP_MASTER_CMD_PROGRAM_RESET;
|
615 |
|
616 |
/* send the packet, assume the sending itself is ok and check if a response was
|
617 |
* received.
|
618 |
*/
|
619 |
if (XcpTransportSendPacket(packetData, 1, XCP_MASTER_TIMEOUT_T4_MS) == SB_FALSE) //XCP_MASTER_TIMEOUT_T5_MS |
620 |
{ |
621 |
/* probably no response received within the specified timeout, but that is allowed
|
622 |
* for the reset command.
|
623 |
*/
|
624 |
// printf("no response");
|
625 |
return SB_TRUE;
|
626 |
} |
627 |
|
628 |
/*
|
629 |
* The following part is critical if the user program uses the same connection like the flashing program!
|
630 |
* In this case the bootloader doesn't send any information after the reset command. According to this
|
631 |
* the following code part can be skipped.
|
632 |
*/
|
633 |
|
634 |
// /* still here so a response was received */
|
635 |
// responsePacketPtr = XcpTransportReadResponsePacket();
|
636 |
//
|
637 |
// /* check if the reponse was valid */
|
638 |
// printf("response not valid\nlength: %u\nresponse: %i", responsePacketPtr->len, *(responsePacketPtr->data));
|
639 |
// if ( (responsePacketPtr->len == 0) || (responsePacketPtr->data[0] != XCP_MASTER_CMD_PID_RES) )
|
640 |
// {
|
641 |
// /* not a valid or positive response */
|
642 |
// return SB_FALSE;
|
643 |
// }
|
644 |
|
645 |
|
646 |
/* still here so all went well */
|
647 |
return SB_TRUE;
|
648 |
} /*** end of XcpMasterSendCmdProgramReset ***/
|
649 |
|
650 |
|
651 |
/************************************************************************************//** |
652 |
** \brief Sends the XCP PROGRAM command.
|
653 |
** \param length Number of bytes in the data array to program.
|
654 |
** \param data Array with data bytes to program.
|
655 |
** \return SB_TRUE is successfull, SB_FALSE otherwise.
|
656 |
**
|
657 |
****************************************************************************************/
|
658 |
static sb_uint8 XcpMasterSendCmdProgram(sb_uint8 length, sb_uint8 data[])
|
659 |
{ |
660 |
sb_uint8 packetData[XCP_MASTER_TX_MAX_DATA]; |
661 |
tXcpTransportResponsePacket *responsePacketPtr; |
662 |
sb_uint8 cnt; |
663 |
|
664 |
/* verify that this number of bytes actually first in this command */
|
665 |
assert(length <= (xcpMaxProgCto-2) && (xcpMaxProgCto <= XCP_MASTER_TX_MAX_DATA));
|
666 |
|
667 |
/* prepare the command packet */
|
668 |
packetData[0] = XCP_MASTER_CMD_PROGRAM;
|
669 |
packetData[1] = length;
|
670 |
for (cnt=0; cnt<length; cnt++) |
671 |
{ |
672 |
packetData[cnt+2] = data[cnt];
|
673 |
} |
674 |
|
675 |
/* send the packet */
|
676 |
if (XcpTransportSendPacket(packetData, length+2, XCP_MASTER_TIMEOUT_T4_MS) == SB_FALSE) //XCP_MASTER_TIMEOUT_T5_MS |
677 |
{ |
678 |
/* cound not set packet or receive response within the specified timeout */
|
679 |
printf("\nno response (program)\n");
|
680 |
return SB_FALSE;
|
681 |
} |
682 |
/* still here so a response was received */
|
683 |
responsePacketPtr = XcpTransportReadResponsePacket(); |
684 |
|
685 |
/* check if the reponse was valid */
|
686 |
if ( (responsePacketPtr->len == 0) || (responsePacketPtr->data[0] != XCP_MASTER_CMD_PID_RES) ) |
687 |
{ |
688 |
/* not a valid or positive response */
|
689 |
if (responsePacketPtr->len == 0) { |
690 |
printf("\nmessage length = 0");
|
691 |
} else {
|
692 |
XcpMasterPrintError(responsePacketPtr->data[1]);
|
693 |
} |
694 |
printf(" (program)\n");
|
695 |
return SB_FALSE;
|
696 |
} |
697 |
|
698 |
/* still here so all went well */
|
699 |
return SB_TRUE;
|
700 |
} /*** end of XcpMasterSendCmdProgram ***/
|
701 |
|
702 |
|
703 |
/************************************************************************************//** |
704 |
** \brief Sends the XCP PROGRAM MAX command.
|
705 |
** \param data Array with data bytes to program.
|
706 |
** \return SB_TRUE is successfull, SB_FALSE otherwise.
|
707 |
**
|
708 |
****************************************************************************************/
|
709 |
static sb_uint8 XcpMasterSendCmdProgramMax(sb_uint8 data[])
|
710 |
{ |
711 |
sb_uint8 packetData[XCP_MASTER_TX_MAX_DATA]; |
712 |
tXcpTransportResponsePacket *responsePacketPtr; |
713 |
sb_uint8 cnt; |
714 |
|
715 |
/* verify that this number of bytes actually first in this command */
|
716 |
assert(xcpMaxProgCto <= XCP_MASTER_TX_MAX_DATA); |
717 |
|
718 |
/* prepare the command packet */
|
719 |
packetData[0] = XCP_MASTER_CMD_PROGRAM_MAX;
|
720 |
for (cnt=0; cnt<(xcpMaxProgCto-1); cnt++) |
721 |
{ |
722 |
packetData[cnt+1] = data[cnt];
|
723 |
} |
724 |
|
725 |
/* send the packet */
|
726 |
if (XcpTransportSendPacket(packetData, xcpMaxProgCto, XCP_MASTER_TIMEOUT_T4_MS) == SB_FALSE) //XCP_MASTER_TIMEOUT_T5_MS |
727 |
{ |
728 |
/* cound not set packet or receive response within the specified timeout */
|
729 |
printf("\nno response (program max)\n");
|
730 |
return SB_FALSE;
|
731 |
} |
732 |
/* still here so a response was received */
|
733 |
responsePacketPtr = XcpTransportReadResponsePacket(); |
734 |
|
735 |
/* check if the reponse was valid */
|
736 |
if ( (responsePacketPtr->len == 0) || (responsePacketPtr->data[0] != XCP_MASTER_CMD_PID_RES) ) |
737 |
{ |
738 |
/* not a valid or positive response */
|
739 |
if (responsePacketPtr->len == 0) { |
740 |
printf("\nmessage length = 0");
|
741 |
} else {
|
742 |
XcpMasterPrintError(responsePacketPtr->data[1]);
|
743 |
} |
744 |
printf(" (program max)\n");
|
745 |
return SB_FALSE;
|
746 |
} |
747 |
|
748 |
/* still here so all went well */
|
749 |
return SB_TRUE;
|
750 |
} /*** end of XcpMasterSendCmdProgramMax ***/
|
751 |
|
752 |
|
753 |
/************************************************************************************//** |
754 |
** \brief Sends the XCP PROGRAM CLEAR command.
|
755 |
** \return SB_TRUE is successfull, SB_FALSE otherwise.
|
756 |
**
|
757 |
****************************************************************************************/
|
758 |
static sb_uint8 XcpMasterSendCmdProgramClear(sb_uint32 length)
|
759 |
{ |
760 |
sb_uint8 packetData[8];
|
761 |
tXcpTransportResponsePacket *responsePacketPtr; |
762 |
|
763 |
/* prepare the command packet */
|
764 |
packetData[0] = XCP_MASTER_CMD_PROGRAM_CLEAR;
|
765 |
packetData[1] = 0; /* use absolute mode */ |
766 |
packetData[2] = 0; /* reserved */ |
767 |
packetData[3] = 0; /* reserved */ |
768 |
|
769 |
/* set the erase length taking into account byte ordering */
|
770 |
XcpMasterSetOrderedLong(length, &packetData[4]);
|
771 |
|
772 |
|
773 |
/* send the packet */
|
774 |
if (XcpTransportSendPacket(packetData, 8, XCP_MASTER_TIMEOUT_T4_MS) == SB_FALSE) |
775 |
{ |
776 |
/* cound not set packet or receive response within the specified timeout */
|
777 |
printf("\nno response (program clear)\n");
|
778 |
return SB_FALSE;
|
779 |
} |
780 |
/* still here so a response was received */
|
781 |
responsePacketPtr = XcpTransportReadResponsePacket(); |
782 |
|
783 |
/* check if the reponse was valid */
|
784 |
if ( (responsePacketPtr->len == 0) || (responsePacketPtr->data[0] != XCP_MASTER_CMD_PID_RES) ) |
785 |
{ |
786 |
/* not a valid or positive response */
|
787 |
if (responsePacketPtr->len == 0) { |
788 |
printf("\nmessage length = 0");
|
789 |
} else {
|
790 |
XcpMasterPrintError(responsePacketPtr->data[1]);
|
791 |
} |
792 |
printf(" (program clear)\n");
|
793 |
return SB_FALSE;
|
794 |
} |
795 |
|
796 |
/* still here so all went well */
|
797 |
return SB_TRUE;
|
798 |
} /*** end of XcpMasterSendCmdProgramClear ***/
|
799 |
|
800 |
|
801 |
/************************************************************************************//** |
802 |
** \brief Stores a 32-bit value into a byte buffer taking into account Intel
|
803 |
** or Motorola byte ordering.
|
804 |
** \param value The 32-bit value to store in the buffer.
|
805 |
** \param data Array to the buffer for storage.
|
806 |
** \return none.
|
807 |
**
|
808 |
****************************************************************************************/
|
809 |
static void XcpMasterSetOrderedLong(sb_uint32 value, sb_uint8 data[]) |
810 |
{ |
811 |
if (xcpSlaveIsIntel == SB_TRUE)
|
812 |
{ |
813 |
data[3] = (sb_uint8)(value >> 24); |
814 |
data[2] = (sb_uint8)(value >> 16); |
815 |
data[1] = (sb_uint8)(value >> 8); |
816 |
data[0] = (sb_uint8)value;
|
817 |
} |
818 |
else
|
819 |
{ |
820 |
data[0] = (sb_uint8)(value >> 24); |
821 |
data[1] = (sb_uint8)(value >> 16); |
822 |
data[2] = (sb_uint8)(value >> 8); |
823 |
data[3] = (sb_uint8)value;
|
824 |
} |
825 |
} /*** end of XcpMasterSetOrderedLong ***/
|
826 |
|
827 |
|
828 |
|
829 |
|
830 |
|
831 |
static void XcpMasterPrintError(sb_uint8 error) { |
832 |
printf("\nError: ");
|
833 |
switch (error) {
|
834 |
case XCP_ERR_CMD_SYNCH:
|
835 |
printf("command processor synchronization"); break; |
836 |
case XCP_ERR_CMD_BUSY:
|
837 |
printf("command was not executed"); break; |
838 |
case XCP_ERR_CMD_UNKNOWN:
|
839 |
printf("unknown or unsupported command"); break; |
840 |
case XCP_ERR_OUT_OF_RANGE:
|
841 |
printf("parameter out of range"); break; |
842 |
case XCP_ERR_ACCESS_LOCKED:
|
843 |
printf("protected - seed/key required"); break; |
844 |
case XCP_ERR_PAGE_NOT_VALID:
|
845 |
printf("cal page not valid"); break; |
846 |
case XCP_ERR_SEQUENCE:
|
847 |
printf("sequence"); break; |
848 |
case XCP_ERR_GENERIC:
|
849 |
printf("generic"); break; |
850 |
default:
|
851 |
printf("!UNKNOWN ERROR!");
|
852 |
} |
853 |
printf("\n");
|
854 |
} |
855 |
|
856 |
/*********************************** end of xcpmaster.c ********************************/
|