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PCAN-Basic API for Linux Version History

2024-01-18 - Version 4.8.0

  • Updated thread to listen to devices' plugin/plugout disabled by default
  • Fixed call to pcanlog_set(...)
  • Updated log level
  • Misc. improvements to prevent buffer overruns

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2023-09-28 - Version 4.7.1

  • Added support to device plugin/plugout notifications
  • Added support to parameter PCAN_HARD_RESET_STATUS

2023-04-04 - Version 4.7.0

Improvements:

  • Added support of value TRACE_FILE_DATA_LENGTH with parameter PCAN_TRACE_CONFIGURE
  • Added .NET headers in "include" directory

Changes:

  • Moved PCANBasic.h to "include" directory
  • Generated trace file includes a suffixed index only if TRACE_FILE_SEGMENTED is set
  • If TRACE_FILE_OVERWRITE is not set and a file already exists, tracing will fail (EOPNOTSUPP) and be disabled
  • In Makefile, commented LDFLAGS_CLEANUP_SO to prevent warnings due to an issue with Binutils <2.33 on ARM
  • Updated: CAN_SetValue with PCAN_TRACE_LOCATION and PCAN_TRACE_STATUS better handles I/O error and returns corresponding PCAN-Basic status code

2022-10-04 - Version 4.6.2

  • Fixed STARTTIME in trace file to use local time
  • Improved logs for firmware update checks

2022-07-25 - Version 4.6.1

  • Prevented possible buffer overflows with PCAN_ALLOW_ECHO_FRAMES and PCAN_BUSOFF_AUTORESET
  • PCANBasic.h includes <stdint.h> if UINT64 is not defined
  • CAN_Initialize and CAN_InitializeFD wait for bus to be active (up to 1ms) (PCAN_ERROR_CAUTION is returned if initialization succeeded but bus_state is not active)
  • Reduced required buffer size for GetValue(PCAN_FIRMWARE_VERSION) (required size was >= 257)

2022-04-08 - Version 4.6.0

Improvements:

  • Added support to parameter PCAN_ALLOW_ECHO_FRAMES and frame flag PCAN_MESSAGE_ECHO that allows the reception of self-sent messages.
  • Added support to parameter PCAN_DEVICE_PART_NUMBER to get the part number of a PCAN hardware (a.k.a. IPEH number).
  • Added support to fw and driver update checks.

Changes:

  • Changed format ouput (hex) for pcaninfo fields: base, btr0btr1, devid, init_flags.
  • pcanbasic_get_hw returns PCAN_ERROR_ILLHANDLE if hw group is unknown.

2022-01-26 - Version 4.5.4

Improvements:

  • Added internal support to get the part number of a PCAN hardware (a.k.a. IPEH number).
  • Added translations for error PCAN_ERROR_ILLMODE.

Changes:

  • Changed required size for parameter PCAN_LOG_STATUS to uint8_t
  • Parameter PCAN_LOG_TEXT automatically enables PCAN_LOG_STATUS
  • Corrected a bug in pcanbasic_bus_state_to_condition (ERROR_ACTIVE flag was detected as ERROR_PASSIVE)
  • If a status message is read the return value of CAN_Read/CAN_ReadFD is also the error code of the status frame.
  • Corrected memory leak: close log file on exit
  • Fixed issue when uninitializing/initializing channel with different bitrates within a few milliseconds.
  • Fixed incorrect returned value when calling parameter channel condition on a specific use-case
  • Fixed CAN_SetValue with parameters PCAN_TRACE_LOCATION and PCAN_LOG_LOCATION to allow a NULL buffer of size 0.
  • Improved size checks for null-terminated get/set parameters
  • Normalized status code for pcanbasic_get_value_xxx functions
  • Updated some returned codes (in case of errors) for every entry points to match exactly PCANBasic Windows 4.6 behaviour.
  • Added return values for functions in pcblog.h
  • Updated PCANBasic_enu_linux_addenda.txt

2021-11-18 - Version 4.5.3

Improvements:

  • Fixed timestamp issue with CAN_Read.

2021-10-04 - Version 4.5.2

Improvements:

  • Fixed year in "start time" comments for .trc files

2021-09-24 - Version 4.5.1

Changes:

  • Fixed CAN_Uninitialize when Tx queue is not empty, waiting time was 50ms instead of 500ms
  • CAN_Uninitialize clears Tx queue before closing (avoiding any driver's extra waiting time)
  • Fixed issue when calling CAN_Uninitialize(PCAN_NONEBUS) and continue using the API (involving parameter PCAN_AVAILABLE_CHANNELS)
  • Fixed side-effects in CAN_SetValue on non-ARM systems (see previous ARM patch)
  • Fixed syslog log_level
  • library initialization now also initializes internal parameters

2021-09-02 - Version 4.5.0

Improvements:

  • Added support to new API entry point: CAN_LookUpChannel
  • Added automatic compilation of libpcanbasic 32 bit version
  • Added mechanism to ignore status frame on reset (and CAN_Initialize, use definition KEEP_STATUS_FRAME_ON_RESET to disable)
  • Added timestamps usage to examples
  • Added support to future PCAN Linux 8.13 features (ioctl resets)
  • Added missing functions to handle logging of LOG_FUNCTION_READ, LOG_FUNCTION_WRITE
  • Header upgraded to match PCANBasic Windows v4.5.3
  • Fixed possible infinite loop in pcanbasic_parse_fd_init

Changes:

  • Fixed $STARTTIME in trc file to match PEAK-TRACE spec.
  • Replaced uses of deprecated 'gettimeofday' with 'clock_gettime'
  • Function pcanbasic_get_device now initializes a status parameter to get same error code as on Windows
  • Function pcanbasic_get_channel now have a TCANStatus param to improve and give information to caller
  • Factorized duplicate code with internal function pcanbasic_get_fd.
  • Updated MakeFile to specify precisely exported functions (see def file)
  • Fixed returned code (in case of erros) for every entry points to match exactly PCANBasic Windows behaviour
  • Given pathes are now internally converted and stored as absolute pathes (internal pathes are dynamically allocated)
  • Enabling logging now checks and immediately opens the log file (same as Windows)
  • CAN_Read/CAN_ReadFD and CAN_Write/CAN_WriteFD now check if the corresponding CAN_Initialize/CAN_InitializeFD was used (PCAN_ERROR_ILLOPERATION)
  • CAN_Write/CAN_WriteFD now supports PCAN_ERROR_XMTFULL error code
  • Changed trace to support chronological ordering: libpcanfd msg-echoing is enabled by default (if supported, FD fw only)
  • Fixed CAN_SetValue to return an error when the size of the buffer is invalid
  • Improved CAN_SetValue to better handle buffer with a size smaller than expected (ARM)

2020-04-27 - Version 4.4.3

Changes:

  • CAN_SetValue for PCAN_DEVICE_ID and PCAN_5VOLTS_POWER now requires an initialized channel (as mentionned by documentation)
  • Calls to deprecated function gettimeofday(..) was replaced with clock_gettime(clk_ref,...)
  • Trace file now have a starttime set a few milliseconds prior initialisation
  • Trace file can display negative relative timestamp
  • Fixed minor typos in logs
  • Compilation now supports distinct preprocessor's definitions of LOG_LEVEL and _DEBUG
  • PCAN_PARAMETER_CHANNEL_VERSION now includes channel's type and PEAK copyright (to match string returned by PCANBasic Windows API)

2020-12-16 - Version 4.4.2

Changes:

  • Fixed compilation error in -std=gnu90
  • 'Initialize' functions will try to retrieve a more precise error when 'pcanfd_open' fails
  • API version string will end with "(debug)" if library is built in debug mode
  • Refactored logging in debug mode and fixed syslog logging
  • pcaninfo changed to v1.2.0: Outputs version of the installed PCAN-Basic API

2020-08-14 - Version 4.4.1

Improvements:

  • Added checks to prevent possible buffer overflows when copying CAN/CANFD message's DATA
  • Added mutex in API entries to provide more robust thread-safe system

2020-08-07 - Version 4.4.0

Changes:

  • Updated libpcanbasic/pcanbasic to match features from Windows PCAN-Basic 4.4
  • Updated libpcanbasic/pcaninfo to display a short or detailed list of devices
  • Updated pcanbasic_java/libpcanbasic_jni to support features from PCAN-Basic 4.4
  • Updated pcanbasic_java/examples to support features from PCAN-Basic 4.4

2020-03-05 - Version 4.3.4

  • Fixed pcanbasic/Makefile_latest.mk so that shared object can be built under Xenomai 3.1

2020-02-19 - Version 4.3.3

  • Updated the included licensing information

2019-10-09 - Version 4.3.2

Improvements

  • PCAN-Basic example now supports Python 3
  • Added change logs to the sub projects (libpcanbasic, pcanbasic_java and libpcanbasic_jni)

Changes

  • PCANBasic.java: loadLibrary will try "pcanbasic_jni" first and fallback to "PCANBasic_JNI" on failure

2019-04-15 - Version 4.3.1.3

  • Added support to param PCAN_FIRMWARE_VERSION (0x29)
  • Added support to sysfs params: clk_drift, dev_name, init_flags, mass_storage_mode, nom_sample_point, nom_tq, data_sample_point, data_tq, and ts_fixed
  • Fixed check on pcanfd_open's return value as RT system can return the value 0

2018-08-03 - Version 4.2.2.6

  • Added missing support of device PCAN_USBX6

2018-03-16 - Version 4.2.1.5

  • Added a 50ms temporisation when closing a channel that still has Tx pending messages

2018-03-06 - Version 4.2.1.4

  • Fixed PCANBasic status when receiving EAGAIN from libpcanfd (error is either QXMTFULL or QRCVEMPTY whether read or write function is called)

2018-03-03 - Version 4.2.1.1

  • Fixed CAN FD timestamp issue
  • Added PCANBasic_enu_linux_addenda.txt that lists differences within documentation compared to Windows

2017-11-03 - Version 4.2.0.3

  • Fixed alignments in generated trace file (timestamp and 11bit CAN ids)

2017-10-31 - Version 4.2.0.2

  • Fixed wrong month number in generated trace file
  • Fixed ill use of snprintf in trace file leading to trace only first byte of message data

2017-10-09 - Version 4.2.0.1

  • Added support of features of PCAN-Basic 4.2 for Windows® (only with PCAN Linux driver > 8.5.x):
    • Reception of status frames: PCAN_ALLOW_STATUS_FRAMES
    • Reception of RTR frames: PCAN_ALLOW_RTR_FRAMES
    • Reception of error frames: PCAN_ALLOW_ERROR_FRAMES
    • Interframe Transmit Delay: PCAN_INTERFRAME_DELAY
    • Acceptance filters: PCAN_ACCEPTANCE_FILTER_11BIT and PCAN_ACCEPTANCE_FILTER_29BIT
  • The package now includes documentation (same as the Windows® version, open .chm files with "xchm" for instance)

2017-10-04 - Version 4.1.2.5

  • Fixed PCAN_TRACE_xxx features (the feature was never launched when a session was activated by the user)
  • Header now includes new features of PCAN-Basic 4.2 for Windows® (not yet implemented, status will return "illegal operation")

2017-02-17 - Version 4.1.1

  • Patched overflow timestamp issue
  • Corrected a few status error (bad convertions from errno to status)

2016-09-08 - Version 4.1.0.2

  • Fixed memory leaks issues within "pcanjni" library
  • Replaced the PCANBasic java example with the sample in pcanjni folder

2016-07-20 - Version 4.1.0.0

  • Changed the version number to match PCAN-Basic for Windows
  • Fixed C99 problem in make file
  • Fixed a bug in Java implementation

Please note: The old API 2.0.4.x is still included to support PEAK linux driver prior version 8.x).

2016-05-20 - Version 4.0.0.4 + Version 2.0.4.6 legacy driver

  • CAN_GetErrorText now returns PCAN_ERROR_ILLPARAMVAL on unknown error status
  • v2.0.4.6: Fixed an issue when retrieving/setting PCAN_DEVICE_NUMBER
  • Java 'peak.can' package updated to match the Windows version of PCAN-Basic

2016-03-16 - Version 4.0.0.3 + Version 2.0.4.5 legacy driver

  • v4.0.0.3: Fixed a null pointer exception when calling CAN_Unitialize(PCAN_NONEBUS) and continuing using the API

2016-03-01 - Version 4.0.0.2 + Version 2.0.4.5 legacy driver

  • v4.0.0.2: Upgraded pcaninfo to match changes in PCAN driver v8.0.17

2016-01-29 - Version 4.0.0.1 + Version 2.0.4.5 legacy driver

  • v4.0.0.1: Upgraded to match changes in PCAN driver v8.0.7

2016-01-18 - Version 4.0.0 + Version 2.0.4.5 legacy driver

  • v2.0.4.5: Fixed GetStatus function. Please note: PCAN driver v7.16.0 is required
  • v2.0.4.5: Known issue: USB channel's handles will be offset if the minor number of the first PCAN-USB device is not 0 (or n=32 in cat /proc/pcan)

2016-01-12 - Version 4.0.0

  • Upgraded PCAN-Basic Linux API to match the Windows version 4.0.2 of PCAN-Basic
  • Please note: PCAN driver v8.0.6 is required

2015-11-04 - Version 2.0.4

  • Fixed impossibility to write an enhanced message with RTR flag
  • Fixed PCAN_CHANNEL_CONDITION request with PCAN-USB-PRO, PCAN-USB-FD, PCAN-USB-PRO-FD, and PCAN-PCI-FD hardware

2014-10-17 - Version 2.0.3

  • Changed licences from GPL to LGPL
  • Fixed an issue with using CAN2 of PCAN-USB Pro

2014-01-08 - Version 2.0.2

  • Changed DWORD definition in pcanbasic_jni.c to ensure 32-bits implementation whatever Linux arch data model is used

2013-11-12 - Version 2.0.1

  • Changed all "c_ulong" types to "c_uint" to ensure 32-bits implementation whatever Linux arch data model is used

2013-11-08 - Version 2.0.0

  • Fixed a problem running in 32-bits applications with 64-bits Kernel in python and C++ examples

2013-11-05 - Version 1.0.0

  • Included the version number in PCANBAsic.h and removed the TPCANMsg struc definition to use the one in <pcan.h>
  • Examples setup an initial bitrate of 500k now