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* [Bug 1001453] New: CAN IO package: wider flags field, flag to report return to 'error active' mode
@ 2012-01-13 16:16 bugzilla-daemon
  2012-01-13 16:17 ` [Bug 1001453] " bugzilla-daemon
                   ` (11 more replies)
  0 siblings, 12 replies; 13+ messages in thread
From: bugzilla-daemon @ 2012-01-13 16:16 UTC (permalink / raw)
  To: unassigned

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           Summary: CAN IO package: wider flags field, flag to report
                    return to 'error active' mode
           Product: eCos
           Version: CVS
          Platform: All
        OS/Version: Other
            Status: UNCONFIRMED
          Severity: enhancement
          Priority: low
         Component: Patches and contributions
        AssignedTo: unassigned@bugs.ecos.sourceware.org
        ReportedBy: bernard.fouche@kuantic.com
                CC: ecos-patches@ecos.sourceware.org
             Class: Advice Request


The CAN IO package reports events when the controller is downgraded to 'error
passive' or 'bus off'. It does not report an event when it gets back to 'error
active' mode: user code must poll the controller state to know about that
status change instead of being able to keep the event callback logic for
everything that concerns the CAN bus activity.

The patch changes the 'flags' field of 'can_event_t' to 32 bits and add a new
event in bit 16. The fields in 'can_event_t' are reordered to continue to
provide a 24 bytes CAN event on an ARM MCU even if 'flags' is wider, so the
operational cost is nil for such targets.

Patch also includes doc fix and an option to add/suppress compiler flags for
the package.

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^ permalink raw reply	[flat|nested] 13+ messages in thread

* [Bug 1001453] CAN IO package: wider flags field, flag to report return to 'error active' mode
  2012-01-13 16:16 [Bug 1001453] New: CAN IO package: wider flags field, flag to report return to 'error active' mode bugzilla-daemon
@ 2012-01-13 16:17 ` bugzilla-daemon
  2012-01-14 22:40 ` bugzilla-daemon
                   ` (10 subsequent siblings)
  11 siblings, 0 replies; 13+ messages in thread
From: bugzilla-daemon @ 2012-01-13 16:17 UTC (permalink / raw)
  To: unassigned

Please do not reply to this email. Use the web interface provided at:
http://bugs.ecos.sourceware.org/show_bug.cgi?id=1001453

--- Comment #1 from Bernard Fouché <bernard.fouche@kuantic.com> 2012-01-13 16:16:51 GMT ---
Created an attachment (id=1517)
 --> (http://bugs.ecos.sourceware.org/attachment.cgi?id=1517)
new event flag, wider 'flags' field for an event, doc, compiler flag option

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>From ecos-bugs-return-8666-listarch-ecos-bugs=sources.redhat.com@sourceware.org Sat Jan 14 18:51:44 2012
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Subject: [Bug 1001453] CAN IO package: wider flags field, flag to report
 return to 'error active' mode
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--- Comment #2 from Sergei Gavrikov <sergei.gavrikov@gmail.com> 2012-01-14 18:51:18 GMT ---
Hi Bernard,

In a fact, your patch (by the subject) is small enough and you did
submit a huge delta. Well, I would filter it, but, I won't be able test
it. So, please, regenerate your patch against eCos CVS sources set
'--ignore-all-space' option for diff (the reason that your working eCos
tree has sources with stripped all trailing whitespaces). Also, please,
expand ChangeLog record, as you fixed not only one header, but and eCos
documentation and config files.

Sergei

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^ permalink raw reply	[flat|nested] 13+ messages in thread

* [Bug 1001453] CAN IO package: wider flags field, flag to report return to 'error active' mode
  2012-01-13 16:16 [Bug 1001453] New: CAN IO package: wider flags field, flag to report return to 'error active' mode bugzilla-daemon
  2012-01-13 16:17 ` [Bug 1001453] " bugzilla-daemon
@ 2012-01-14 22:40 ` bugzilla-daemon
  2012-01-15 13:56 ` bugzilla-daemon
                   ` (9 subsequent siblings)
  11 siblings, 0 replies; 13+ messages in thread
From: bugzilla-daemon @ 2012-01-14 22:40 UTC (permalink / raw)
  To: unassigned

Please do not reply to this email. Use the web interface provided at:
http://bugs.ecos.sourceware.org/show_bug.cgi?id=1001453

--- Comment #3 from Bernard Fouché <bernard.fouche@kuantic.com> 2012-01-14 22:39:39 GMT ---
I also forgot to document the meaning of the added flag ;-)

While thinking at other things I may have forgotten, I now see an issue with
the bitfield 'support_flags' in cyg_can_hdi.

Here is cyg_can_hdi:

typedef struct cyg_can_hdi_st
{
    cyg_uint8 support_flags;
    cyg_uint8 controller_type;
} cyg_can_hdi;

The issue is a lack of description of the low level driver filtering
capabilities.

The 'SW-Filt' flag has been replaced by 'autobaud' in the source code (my patch
fixes the doc about this).

Hence there is no more description of a hw driver filtering capabilities while
these capabilities are essential in a real world CAN network. The 'software
filtering' information was not very helpful to user code anyway, I suppose
that's why it has been removed and the corresponding bit recycled.

I suggest to use two reserved bits in 'support_flags':

- a bit to describe identifier range filtering capability (0=no range
filtering, this keep compatibility with current code)

- a bit to describe bitmask filtering capability (0=no bitmask filtering). I
think bitmask filtering is the most common and efficient way to filter CAN
frames. (While LPC17XX has range filtering capabilities, the upcoming LPC18XX
has bitmask filtering instead)

The side effect is a need for more config keys, to declare filtering
information.

The LPC2XXX driver provides identifier range filtering config keys (as a cdl
option), but since the CAN IO package does not support range filtering (in
terms of API convention), these supplementary config keys can be obtained by
user code only by including explicitly the LPC2XXX specific header file.

If these two new data bits in 'support_flags' are added, then the config keys
provided by the LPC2XXX driver can become the 'official' config keys for
identifier range filtering.

And of course there is also a need for config keys related to bitmask
filtering. AFAIK, bitmask filtering is made by declaring an identifier value
and a bitmask, so the config keys related to bitmask filtering would need 2 x
32 bits value for config data (like the LPC2XXX range filtering key)

Since the CAN IO package relay to the hardware layer the config keys it does
not handle itself, there would be no functional change in the package, like the
patch I proposed.

If this is ok I'll provide an updated patch (using the diff option you
mention), and combine these changes. 

Or I can provide two patches, one to fix the patch I proposed, and then I open
a new bugzilla entry with a new patch related to 'support_flags'.

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Issue 1000986:
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  Priority: low  Severity: normal  Platform: Other (please specify)
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    Status: UNCONFIRMED
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Issue 1001027:
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  Priority: normal  Severity: normal  Platform: Other (please specify)
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   Summary: Checking whether the client is connected to the Server usin netconn lwIP
Issue 1001031:
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   Summary: fis_write function in redboot not writng into flash properly - help needed
Issue 1001069:
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    Status: UNCONFIRMED
   Summary: SST 39VFxxx bad command code for erasing block
Issue 1001084:
  http://bugzilla.ecoscentric.com/show_bug.cgi?id=1001084
  Priority: normal  Severity: normal  Platform: stm32e_eval (ST STM3210E EVAL board)
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    Status: NEW
   Summary: STM32 USB driver unplugging/replugging issue
Issue 1001096:
  http://bugzilla.ecoscentric.com/show_bug.cgi?id=1001096
  Priority: high  Severity: critical  Platform: Other (please specify)
  Assignee: unassigned
    Status: UNCONFIRMED
   Summary: Dual Init of SPI on at91sam7x-based system
Issue 1001107:
  http://bugzilla.ecoscentric.com/show_bug.cgi?id=1001107
  Priority: low  Severity: enhancement  Platform: Other (please specify)
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    Status: UNCONFIRMED
   Summary: Support for the STMicroelectronics STR912FAW44 processor (ARM966E-S) and the Propox MMstr912 board
Issue 1001110:
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  Priority: low  Severity: major  Platform: All
  Assignee: unassigned
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   Summary: cyg_flag_poll and cyg_flag_wait clears all flags
Issue 1001119:
  http://bugzilla.ecoscentric.com/show_bug.cgi?id=1001119
  Priority: low  Severity: normal  Platform: at91sam7sek_256 (AT91SAM7S-EK board with AT91SAM7S256)
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    Status: UNCONFIRMED
   Summary: at91_spi.c says "fix me", and need a flag to be cleared before transfer()
Issue 1001120:
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  Priority: normal  Severity: normal  Platform: at91sam7sek_256 (AT91SAM7S-EK board with AT91SAM7S256)
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    Status: UNCONFIRMED
   Summary: at91sam's PIT can hang vorever if
Issue 1001129:
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  Priority: low  Severity: enhancement  Platform: Other (please specify)
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    Status: UNCONFIRMED
   Summary: New HAL package for the AT91RM9200
Issue 1001133:
  http://bugzilla.ecoscentric.com/show_bug.cgi?id=1001133
  Priority: low  Severity: minor  Platform: All
  Assignee: unassigned
    Status: UNCONFIRMED
   Summary: STM32 SPI APB1 and APB2 bus clock frequency issue
Issue 1001139:
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  Priority: normal  Severity: major  Platform: linux (Linux synthetic target)
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    Status: UNCONFIRMED
   Summary: 'make tests' fails for linux synthetic target
Issue 1001146:
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    Status: NEW
   Summary: Navigation of the documentation using PREV NEXT PARENT arrows broken
Issue 1001148:
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    Status: NEW
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    Status: UNCONFIRMED
   Summary: fisdir_size when combined FIS and config
Issue 1001160:
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  Priority: high  Severity: critical  Platform: All
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    Status: UNCONFIRMED
   Summary: FIQ can trash stack when interrupting IRQ
Issue 1001161:
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   Summary: hal_interrupt_mask() interrupt lost
Issue 1001168:
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    Status: UNCONFIRMED
   Summary: ftell returns incorrect position on files opened for append
Issue 1001175:
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    Status: NEEDINFO
   Summary: Not detecting repository
Issue 1001176:
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Issue 1001179:
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  Priority: high  Severity: enhancement  Platform: Other (please specify)
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    Status: UNCONFIRMED
   Summary: ecos with network support for MINI2440 QEMU
Issue 1001193:
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    Status: UNCONFIRMED
   Summary: abnormal behavior readdir on fat16
Issue 1001207:
  http://bugzilla.ecoscentric.com/show_bug.cgi?id=1001207
  Priority: low  Severity: normal  Platform: All
  Assignee: unassigned
    Status: UNCONFIRMED
   Summary: HAL_BREAKINST_TYPE is missing for building redboot
Issue 1001208:
  http://bugzilla.ecoscentric.com/show_bug.cgi?id=1001208
  Priority: low  Severity: enhancement  Platform: All
  Assignee: unassigned
    Status: UNCONFIRMED
   Summary: Redboot changes to support Embedded Flash with variable block sizes
Issue 1001211:
  http://bugzilla.ecoscentric.com/show_bug.cgi?id=1001211
  Priority: normal  Severity: minor  Platform: All
  Assignee: unassigned
    Status: NEW
   Summary: CAN loopback driver requires CYGPKG_DEVS_CAN_LOOP_CAN[01]
Issue 1001235:
  http://bugzilla.ecoscentric.com/show_bug.cgi?id=1001235
  Priority: low  Severity: minor  Platform: All
  Assignee: unassigned
    Status: UNCONFIRMED
   Summary: National Semiconductor DP83848 PHY
Issue 1001237:
  http://bugzilla.ecoscentric.com/show_bug.cgi?id=1001237
  Priority: low  Severity: minor  Platform: All
  Assignee: unassigned
    Status: UNCONFIRMED
   Summary: Missing CDL dependency on VNC server test application
Issue 1001238:
  http://bugzilla.ecoscentric.com/show_bug.cgi?id=1001238
  Priority: low  Severity: critical  Platform: at91sam7xek_512 (AT91SAM7X-EK board with AT91SAM7X512)
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    Status: UNCONFIRMED
   Summary: Thumb mode return from ISR causes undefined behaviour
Issue 1001243:
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  Priority: normal  Severity: normal  Platform: All
  Assignee: unassigned
    Status: UNCONFIRMED
   Summary: Fix trace function reporting of rewinddir()
Issue 1001252:
  http://bugzilla.ecoscentric.com/show_bug.cgi?id=1001252
  Priority: low  Severity: critical  Platform: linux (Linux synthetic target)
  Assignee: unassigned
    Status: UNCONFIRMED
   Summary: Problem building "Linux Synthetic" target on Linux (Ubuntu)
Issue 1001268:
  http://bugzilla.ecoscentric.com/show_bug.cgi?id=1001268
  Priority: low  Severity: enhancement  Platform: stm32e_eval (ST STM3210E EVAL board)
  Assignee: unassigned
    Status: UNCONFIRMED
   Summary: I2C driver for STM32 Cortex M3
Issue 1001269:
  http://bugzilla.ecoscentric.com/show_bug.cgi?id=1001269
  Priority: low  Severity: major  Platform: pc (i386 PC target)
  Assignee: unassigned
    Status: UNCONFIRMED
   Summary: Via Rhine Ethernet driver is reading the MAC incorrectly
Issue 1001300:
  http://bugzilla.ecoscentric.com/show_bug.cgi?id=1001300
  Priority: low  Severity: enhancement  Platform: All
  Assignee: unassigned
    Status: UNCONFIRMED
   Summary: problème de commutation des taches
Issue 1001344:
  http://bugzilla.ecoscentric.com/show_bug.cgi?id=1001344
  Priority: low  Severity: enhancement  Platform: All
  Assignee: unassigned
    Status: NEW
   Summary: Allow nc_test_slave for lwIP to compile for targets with 128KiB RAM.
Issue 1001349:
  http://bugzilla.ecoscentric.com/show_bug.cgi?id=1001349
  Priority: low  Severity: major  Platform: All
  Assignee: unassigned
    Status: UNCONFIRMED
   Summary: Usage of block locking in the flash library
Issue 1001351:
  http://bugzilla.ecoscentric.com/show_bug.cgi?id=1001351
  Priority: low  Severity: normal  Platform: stm32e_eval (ST STM3210E EVAL board)
  Assignee: unassigned
    Status: NEEDINFO
   Summary: Non-dummy stm32_get_config() and stm32_set_config() for stm32 spi driver
Issue 1001357:
  http://bugzilla.ecoscentric.com/show_bug.cgi?id=1001357
  Priority: low  Severity: normal  Platform: Custom (Customer specific)
  Assignee: unassigned
    Status: UNCONFIRMED
   Summary: Cortexm Bus fault
Issue 1001359:
  http://bugzilla.ecoscentric.com/show_bug.cgi?id=1001359
  Priority: low  Severity: normal  Platform: All
  Assignee: unassigned
    Status: UNCONFIRMED
   Summary: Incorrect include path in SNMP util_funcs.h and config.h
Issue 1001368:
  http://bugzilla.ecoscentric.com/show_bug.cgi?id=1001368
  Priority: normal  Severity: major  Platform: sam9g20ek (Atmel AT91SAM9G20-EK board)
  Assignee: unassigned
    Status: UNCONFIRMED
   Summary: Availability of port.
Issue 1001369:
  http://bugzilla.ecoscentric.com/show_bug.cgi?id=1001369
  Priority: low  Severity: critical  Platform: linux (Linux synthetic target)
  Assignee: unassigned
    Status: UNCONFIRMED
   Summary: target.ld:33 cannot move location counter backwards
Issue 1001375:
  http://bugzilla.ecoscentric.com/show_bug.cgi?id=1001375
  Priority: low  Severity: enhancement  Platform: All
  Assignee: unassigned
    Status: UNCONFIRMED
   Summary: Duplicate md5 code
Issue 1001389:
  http://bugzilla.ecoscentric.com/show_bug.cgi?id=1001389
  Priority: low  Severity: minor  Platform: Other (please specify)
  Assignee: unassigned
    Status: UNCONFIRMED
   Summary: Porting eCos to new hardware



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      <th align="left">Plt</th>
      <th align="left">Assignee</th>
      <th align="left">Status</th>
      <th align="left">Resolution</th>
      <th align="left">Summary</th>
    </tr>

      <tr>
        <td align="left"><a href="http://bugzilla.ecoscentric.com/show_bug.cgi?id=1000986">1000986</a></td>
        <td align="left">normal</td>
        <td align="left">low</td>
        <td align="left">Other (please specify)</td>
        <td align="left">unassigned</td>
        <td align="left">UNCONFIRMED</td>
        <td align="left"></td>
        <td align="left">New HAL for freescale MPC8572DS</td>
      </tr>
      <tr>
        <td align="left"><a href="http://bugzilla.ecoscentric.com/show_bug.cgi?id=1001027">1001027</a></td>
        <td align="left">normal</td>
        <td align="left">normal</td>
        <td align="left">Other (please specify)</td>
        <td align="left">unassigned</td>
        <td align="left">UNCONFIRMED</td>
        <td align="left"></td>
        <td align="left">Checking whether the client is connected to the Server usin netconn lwIP</td>
      </tr>
      <tr>
        <td align="left"><a href="http://bugzilla.ecoscentric.com/show_bug.cgi?id=1001031">1001031</a></td>
        <td align="left">normal</td>
        <td align="left">normal</td>
        <td align="left">Other (please specify)</td>
        <td align="left">unassigned</td>
        <td align="left">UNCONFIRMED</td>
        <td align="left"></td>
        <td align="left">fis_write function in redboot not writng into flash properly - help needed</td>
      </tr>
      <tr>
        <td align="left"><a href="http://bugzilla.ecoscentric.com/show_bug.cgi?id=1001069">1001069</a></td>
        <td align="left">normal</td>
        <td align="left">low</td>
        <td align="left">Other (please specify)</td>
        <td align="left">unassigned</td>
        <td align="left">UNCONFIRMED</td>
        <td align="left"></td>
        <td align="left">SST 39VFxxx bad command code for erasing block</td>
      </tr>
      <tr>
        <td align="left"><a href="http://bugzilla.ecoscentric.com/show_bug.cgi?id=1001084">1001084</a></td>
        <td align="left">normal</td>
        <td align="left">normal</td>
        <td align="left">stm32e_eval (ST STM3210E EVAL board)</td>
        <td align="left">unassigned</td>
        <td align="left">NEW</td>
        <td align="left"></td>
        <td align="left">STM32 USB driver unplugging/replugging issue</td>
      </tr>
      <tr>
        <td align="left"><a href="http://bugzilla.ecoscentric.com/show_bug.cgi?id=1001096">1001096</a></td>
        <td align="left">critical</td>
        <td align="left">high</td>
        <td align="left">Other (please specify)</td>
        <td align="left">unassigned</td>
        <td align="left">UNCONFIRMED</td>
        <td align="left"></td>
        <td align="left">Dual Init of SPI on at91sam7x-based system</td>
      </tr>
      <tr>
        <td align="left"><a href="http://bugzilla.ecoscentric.com/show_bug.cgi?id=1001107">1001107</a></td>
        <td align="left">enhancement</td>
        <td align="left">low</td>
        <td align="left">Other (please specify)</td>
        <td align="left">unassigned</td>
        <td align="left">UNCONFIRMED</td>
        <td align="left"></td>
        <td align="left">Support for the STMicroelectronics STR912FAW44 processor (ARM966E-S) and the Propox MMstr912 board</td>
      </tr>
      <tr>
        <td align="left"><a href="http://bugzilla.ecoscentric.com/show_bug.cgi?id=1001110">1001110</a></td>
        <td align="left">major</td>
        <td align="left">low</td>
        <td align="left">All</td>
        <td align="left">unassigned</td>
        <td align="left">UNCONFIRMED</td>
        <td align="left"></td>
        <td align="left">cyg_flag_poll and cyg_flag_wait clears all flags</td>
      </tr>
      <tr>
        <td align="left"><a href="http://bugzilla.ecoscentric.com/show_bug.cgi?id=1001119">1001119</a></td>
        <td align="left">normal</td>
        <td align="left">low</td>
        <td align="left">at91sam7sek_256 (AT91SAM7S-EK board with AT91SAM7S256)</td>
        <td align="left">unassigned</td>
        <td align="left">UNCONFIRMED</td>
        <td align="left"></td>
        <td align="left">at91_spi.c says &quot;fix me&quot;, and need a flag to be cleared before transfer()</td>
      </tr>
      <tr>
        <td align="left"><a href="http://bugzilla.ecoscentric.com/show_bug.cgi?id=1001120">1001120</a></td>
        <td align="left">normal</td>
        <td align="left">normal</td>
        <td align="left">at91sam7sek_256 (AT91SAM7S-EK board with AT91SAM7S256)</td>
        <td align="left">unassigned</td>
        <td align="left">UNCONFIRMED</td>
        <td align="left"></td>
        <td align="left">at91sam's PIT can hang vorever if</td>
      </tr>
      <tr>
        <td align="left"><a href="http://bugzilla.ecoscentric.com/show_bug.cgi?id=1001129">1001129</a></td>
        <td align="left">enhancement</td>
        <td align="left">low</td>
        <td align="left">Other (please specify)</td>
        <td align="left">unassigned</td>
        <td align="left">UNCONFIRMED</td>
        <td align="left"></td>
        <td align="left">New HAL package for the AT91RM9200</td>
      </tr>
      <tr>
        <td align="left"><a href="http://bugzilla.ecoscentric.com/show_bug.cgi?id=1001133">1001133</a></td>
        <td align="left">minor</td>
        <td align="left">low</td>
        <td align="left">All</td>
        <td align="left">unassigned</td>
        <td align="left">UNCONFIRMED</td>
        <td align="left"></td>
        <td align="left">STM32 SPI APB1 and APB2 bus clock frequency issue</td>
      </tr>
      <tr>
        <td align="left"><a href="http://bugzilla.ecoscentric.com/show_bug.cgi?id=1001139">1001139</a></td>
        <td align="left">major</td>
        <td align="left">normal</td>
        <td align="left">linux (Linux synthetic target)</td>
        <td align="left">unassigned</td>
        <td align="left">UNCONFIRMED</td>
        <td align="left"></td>
        <td align="left">'make tests' fails for linux synthetic target</td>
      </tr>
      <tr>
        <td align="left"><a href="http://bugzilla.ecoscentric.com/show_bug.cgi?id=1001146">1001146</a></td>
        <td align="left">normal</td>
        <td align="left">low</td>
        <td align="left">All</td>
        <td align="left">unassigned</td>
        <td align="left">NEW</td>
        <td align="left"></td>
        <td align="left">Navigation of the documentation using PREV NEXT PARENT arrows broken</td>
      </tr>
      <tr>
        <td align="left"><a href="http://bugzilla.ecoscentric.com/show_bug.cgi?id=1001148">1001148</a></td>
        <td align="left">normal</td>
        <td align="left">low</td>
        <td align="left">All</td>
        <td align="left">unassigned</td>
        <td align="left">NEW</td>
        <td align="left"></td>
        <td align="left">help documentation tree does not correspond to viewed document</td>
      </tr>
      <tr>
        <td align="left"><a href="http://bugzilla.ecoscentric.com/show_bug.cgi?id=1001149">1001149</a></td>
        <td align="left">normal</td>
        <td align="left">low</td>
        <td align="left">All</td>
        <td align="left">unassigned</td>
        <td align="left">NEW</td>
        <td align="left"></td>
        <td align="left">documentation tree in navigation panel does not open at viewed document</td>
      </tr>
      <tr>
        <td align="left"><a href="http://bugzilla.ecoscentric.com/show_bug.cgi?id=1001151">1001151</a></td>
        <td align="left">normal</td>
        <td align="left">low</td>
        <td align="left">All</td>
        <td align="left">unassigned</td>
        <td align="left">UNCONFIRMED</td>
        <td align="left"></td>
        <td align="left">fisdir_size when combined FIS and config</td>
      </tr>
      <tr>
        <td align="left"><a href="http://bugzilla.ecoscentric.com/show_bug.cgi?id=1001160">1001160</a></td>
        <td align="left">critical</td>
        <td align="left">high</td>
        <td align="left">All</td>
        <td align="left">unassigned</td>
        <td align="left">UNCONFIRMED</td>
        <td align="left"></td>
        <td align="left">FIQ can trash stack when interrupting IRQ</td>
      </tr>
      <tr>
        <td align="left"><a href="http://bugzilla.ecoscentric.com/show_bug.cgi?id=1001161">1001161</a></td>
        <td align="left">enhancement</td>
        <td align="left">low</td>
        <td align="left">All</td>
        <td align="left">unassigned</td>
        <td align="left">UNCONFIRMED</td>
        <td align="left"></td>
        <td align="left">hal_interrupt_mask() interrupt lost</td>
      </tr>
      <tr>
        <td align="left"><a href="http://bugzilla.ecoscentric.com/show_bug.cgi?id=1001168">1001168</a></td>
        <td align="left">enhancement</td>
        <td align="left">low</td>
        <td align="left">All</td>
        <td align="left">unassigned</td>
        <td align="left">UNCONFIRMED</td>
        <td align="left"></td>
        <td align="left">ftell returns incorrect position on files opened for append</td>
      </tr>
      <tr>
        <td align="left"><a href="http://bugzilla.ecoscentric.com/show_bug.cgi?id=1001175">1001175</a></td>
        <td align="left">normal</td>
        <td align="left">low</td>
        <td align="left">All</td>
        <td align="left">unassigned</td>
        <td align="left">NEEDINFO</td>
        <td align="left"></td>
        <td align="left">Not detecting repository</td>
      </tr>
      <tr>
        <td align="left"><a href="http://bugzilla.ecoscentric.com/show_bug.cgi?id=1001176">1001176</a></td>
        <td align="left">critical</td>
        <td align="left">high</td>
        <td align="left">Other (please specify)</td>
        <td align="left">unassigned</td>
        <td align="left">NEEDINFO</td>
        <td align="left"></td>
        <td align="left">Repository Error</td>
      </tr>
      <tr>
        <td align="left"><a href="http://bugzilla.ecoscentric.com/show_bug.cgi?id=1001179">1001179</a></td>
        <td align="left">enhancement</td>
        <td align="left">high</td>
        <td align="left">Other (please specify)</td>
        <td align="left">unassigned</td>
        <td align="left">UNCONFIRMED</td>
        <td align="left"></td>
        <td align="left">ecos with network support for MINI2440 QEMU</td>
      </tr>
      <tr>
        <td align="left"><a href="http://bugzilla.ecoscentric.com/show_bug.cgi?id=1001193">1001193</a></td>
        <td align="left">minor</td>
        <td align="left">low</td>
        <td align="left">All</td>
        <td align="left">unassigned</td>
        <td align="left">UNCONFIRMED</td>
        <td align="left"></td>
        <td align="left">abnormal behavior readdir on fat16</td>
      </tr>
      <tr>
        <td align="left"><a href="http://bugzilla.ecoscentric.com/show_bug.cgi?id=1001207">1001207</a></td>
        <td align="left">normal</td>
        <td align="left">low</td>
        <td align="left">All</td>
        <td align="left">unassigned</td>
        <td align="left">UNCONFIRMED</td>
        <td align="left"></td>
        <td align="left">HAL_BREAKINST_TYPE is missing for building redboot</td>
      </tr>
      <tr>
        <td align="left"><a href="http://bugzilla.ecoscentric.com/show_bug.cgi?id=1001208">1001208</a></td>
        <td align="left">enhancement</td>
        <td align="left">low</td>
        <td align="left">All</td>
        <td align="left">unassigned</td>
        <td align="left">UNCONFIRMED</td>
        <td align="left"></td>
        <td align="left">Redboot changes to support Embedded Flash with variable block sizes</td>
      </tr>
      <tr>
        <td align="left"><a href="http://bugzilla.ecoscentric.com/show_bug.cgi?id=1001211">1001211</a></td>
        <td align="left">minor</td>
        <td align="left">normal</td>
        <td align="left">All</td>
        <td align="left">unassigned</td>
        <td align="left">NEW</td>
        <td align="left"></td>
        <td align="left">CAN loopback driver requires CYGPKG_DEVS_CAN_LOOP_CAN[01]</td>
      </tr>
      <tr>
        <td align="left"><a href="http://bugzilla.ecoscentric.com/show_bug.cgi?id=1001235">1001235</a></td>
        <td align="left">minor</td>
        <td align="left">low</td>
        <td align="left">All</td>
        <td align="left">unassigned</td>
        <td align="left">UNCONFIRMED</td>
        <td align="left"></td>
        <td align="left">National Semiconductor DP83848 PHY</td>
      </tr>
      <tr>
        <td align="left"><a href="http://bugzilla.ecoscentric.com/show_bug.cgi?id=1001237">1001237</a></td>
        <td align="left">minor</td>
        <td align="left">low</td>
        <td align="left">All</td>
        <td align="left">unassigned</td>
        <td align="left">UNCONFIRMED</td>
        <td align="left"></td>
        <td align="left">Missing CDL dependency on VNC server test application</td>
      </tr>
      <tr>
        <td align="left"><a href="http://bugzilla.ecoscentric.com/show_bug.cgi?id=1001238">1001238</a></td>
        <td align="left">critical</td>
        <td align="left">low</td>
        <td align="left">at91sam7xek_512 (AT91SAM7X-EK board with AT91SAM7X512)</td>
        <td align="left">unassigned</td>
        <td align="left">UNCONFIRMED</td>
        <td align="left"></td>
        <td align="left">Thumb mode return from ISR causes undefined behaviour</td>
      </tr>
      <tr>
        <td align="left"><a href="http://bugzilla.ecoscentric.com/show_bug.cgi?id=1001243">1001243</a></td>
        <td align="left">normal</td>
        <td align="left">normal</td>
        <td align="left">All</td>
        <td align="left">unassigned</td>
        <td align="left">UNCONFIRMED</td>
        <td align="left"></td>
        <td align="left">Fix trace function reporting of rewinddir()</td>
      </tr>
      <tr>
        <td align="left"><a href="http://bugzilla.ecoscentric.com/show_bug.cgi?id=1001252">1001252</a></td>
        <td align="left">critical</td>
        <td align="left">low</td>
        <td align="left">linux (Linux synthetic target)</td>
        <td align="left">unassigned</td>
        <td align="left">UNCONFIRMED</td>
        <td align="left"></td>
        <td align="left">Problem building &quot;Linux Synthetic&quot; target on Linux (Ubuntu)</td>
      </tr>
      <tr>
        <td align="left"><a href="http://bugzilla.ecoscentric.com/show_bug.cgi?id=1001268">1001268</a></td>
        <td align="left">enhancement</td>
        <td align="left">low</td>
        <td align="left">stm32e_eval (ST STM3210E EVAL board)</td>
        <td align="left">unassigned</td>
        <td align="left">UNCONFIRMED</td>
        <td align="left"></td>
        <td align="left">I2C driver for STM32 Cortex M3</td>
      </tr>
      <tr>
        <td align="left"><a href="http://bugzilla.ecoscentric.com/show_bug.cgi?id=1001269">1001269</a></td>
        <td align="left">major</td>
        <td align="left">low</td>
        <td align="left">pc (i386 PC target)</td>
        <td align="left">unassigned</td>
        <td align="left">UNCONFIRMED</td>
        <td align="left"></td>
        <td align="left">Via Rhine Ethernet driver is reading the MAC incorrectly</td>
      </tr>
      <tr>
        <td align="left"><a href="http://bugzilla.ecoscentric.com/show_bug.cgi?id=1001300">1001300</a></td>
        <td align="left">enhancement</td>
        <td align="left">low</td>
        <td align="left">All</td>
        <td align="left">unassigned</td>
        <td align="left">UNCONFIRMED</td>
        <td align="left"></td>
        <td align="left">problème de commutation des taches</td>
      </tr>
      <tr>
        <td align="left"><a href="http://bugzilla.ecoscentric.com/show_bug.cgi?id=1001344">1001344</a></td>
        <td align="left">enhancement</td>
        <td align="left">low</td>
        <td align="left">All</td>
        <td align="left">unassigned</td>
        <td align="left">NEW</td>
        <td align="left"></td>
        <td align="left">Allow nc_test_slave for lwIP to compile for targets with 128KiB RAM.</td>
      </tr>
      <tr>
        <td align="left"><a href="http://bugzilla.ecoscentric.com/show_bug.cgi?id=1001349">1001349</a></td>
        <td align="left">major</td>
        <td align="left">low</td>
        <td align="left">All</td>
        <td align="left">unassigned</td>
        <td align="left">UNCONFIRMED</td>
        <td align="left"></td>
        <td align="left">Usage of block locking in the flash library</td>
      </tr>
      <tr>
        <td align="left"><a href="http://bugzilla.ecoscentric.com/show_bug.cgi?id=1001351">1001351</a></td>
        <td align="left">normal</td>
        <td align="left">low</td>
        <td align="left">stm32e_eval (ST STM3210E EVAL board)</td>
        <td align="left">unassigned</td>
        <td align="left">NEEDINFO</td>
        <td align="left"></td>
        <td align="left">Non-dummy stm32_get_config() and stm32_set_config() for stm32 spi driver</td>
      </tr>
      <tr>
        <td align="left"><a href="http://bugzilla.ecoscentric.com/show_bug.cgi?id=1001357">1001357</a></td>
        <td align="left">normal</td>
        <td align="left">low</td>
        <td align="left">Custom (Customer specific)</td>
        <td align="left">unassigned</td>
        <td align="left">UNCONFIRMED</td>
        <td align="left"></td>
        <td align="left">Cortexm Bus fault</td>
      </tr>
      <tr>
        <td align="left"><a href="http://bugzilla.ecoscentric.com/show_bug.cgi?id=1001359">1001359</a></td>
        <td align="left">normal</td>
        <td align="left">low</td>
        <td align="left">All</td>
        <td align="left">unassigned</td>
        <td align="left">UNCONFIRMED</td>
        <td align="left"></td>
        <td align="left">Incorrect include path in SNMP util_funcs.h and config.h</td>
      </tr>
      <tr>
        <td align="left"><a href="http://bugzilla.ecoscentric.com/show_bug.cgi?id=1001368">1001368</a></td>
        <td align="left">major</td>
        <td align="left">normal</td>
        <td align="left">sam9g20ek (Atmel AT91SAM9G20-EK board)</td>
        <td align="left">unassigned</td>
        <td align="left">UNCONFIRMED</td>
        <td align="left"></td>
        <td align="left">Availability of port.</td>
      </tr>
      <tr>
        <td align="left"><a href="http://bugzilla.ecoscentric.com/show_bug.cgi?id=1001369">1001369</a></td>
        <td align="left">critical</td>
        <td align="left">low</td>
        <td align="left">linux (Linux synthetic target)</td>
        <td align="left">unassigned</td>
        <td align="left">UNCONFIRMED</td>
        <td align="left"></td>
        <td align="left">target.ld:33 cannot move location counter backwards</td>
      </tr>
      <tr>
        <td align="left"><a href="http://bugzilla.ecoscentric.com/show_bug.cgi?id=1001375">1001375</a></td>
        <td align="left">enhancement</td>
        <td align="left">low</td>
        <td align="left">All</td>
        <td align="left">unassigned</td>
        <td align="left">UNCONFIRMED</td>
        <td align="left"></td>
        <td align="left">Duplicate md5 code</td>
      </tr>
      <tr>
        <td align="left"><a href="http://bugzilla.ecoscentric.com/show_bug.cgi?id=1001389">1001389</a></td>
        <td align="left">minor</td>
        <td align="left">low</td>
        <td align="left">Other (please specify)</td>
        <td align="left">unassigned</td>
        <td align="left">UNCONFIRMED</td>
        <td align="left"></td>
        <td align="left">Porting eCos to new hardware</td>
      </tr>
  </table>

  </body>
</html>


------------20392--1326592805-------


^ permalink raw reply	[flat|nested] 13+ messages in thread

* [Bug 1001453] CAN IO package: wider flags field, flag to report return to 'error active' mode
  2012-01-13 16:16 [Bug 1001453] New: CAN IO package: wider flags field, flag to report return to 'error active' mode bugzilla-daemon
  2012-01-13 16:17 ` [Bug 1001453] " bugzilla-daemon
  2012-01-14 22:40 ` bugzilla-daemon
@ 2012-01-15 13:56 ` bugzilla-daemon
  2012-01-15 22:30 ` bugzilla-daemon
                   ` (8 subsequent siblings)
  11 siblings, 0 replies; 13+ messages in thread
From: bugzilla-daemon @ 2012-01-15 13:56 UTC (permalink / raw)
  To: unassigned

Please do not reply to this email. Use the web interface provided at:
http://bugs.ecos.sourceware.org/show_bug.cgi?id=1001453

--- Comment #4 from Sergei Gavrikov <sergei.gavrikov@gmail.com> 2012-01-15 13:56:08 GMT ---
(In reply to comment #3)
> I also forgot to document the meaning of the added flag ;-)

Of course, we need to keep in sync documentation and sources.

> While thinking at other things I may have forgotten, I now see an
> issue with the bitfield 'support_flags' in cyg_can_hdi.
> 
> Here is cyg_can_hdi:
> 
> typedef struct cyg_can_hdi_st
> {
>     cyg_uint8 support_flags;
>     cyg_uint8 controller_type;
> } cyg_can_hdi;
> 
> The issue is a lack of description of the low level driver filtering
> capabilities.
> 
> The 'SW-Filt' flag has been replaced by 'autobaud' in the source code
> (my patch fixes the doc about this).

I've seen. Thank you for the catch.

> Hence there is no more description of a hw driver filtering
> capabilities while these capabilities are essential in a real world
> CAN network. The 'software filtering' information was not very helpful
> to user code anyway, I suppose that's why it has been removed and the
> corresponding bit recycled.

It seems so.

> I suggest to use two reserved bits in 'support_flags':
> 
> - a bit to describe identifier range filtering capability (0=no range
> filtering, this keep compatibility with current code)
> 
> - a bit to describe bitmask filtering capability (0=no bitmask
> filtering). I think bitmask filtering is the most common and efficient
> way to filter CAN frames. (While LPC17XX has range filtering
> capabilities, the upcoming LPC18XX has bitmask filtering instead)

Agreed.

> The side effect is a need for more config keys, to declare filtering
> information.

IMO, it is not issue for eCos, more that default values would not break
old flag's value.

> The LPC2XXX driver provides identifier range filtering config keys (as
> a cdl option), but since the CAN IO package does not support range
> filtering (in terms of API convention), these supplementary config
> keys can be obtained by user code only by including explicitly the
> LPC2XXX specific header file.
> 
> If these two new data bits in 'support_flags' are added, then the
> config keys provided by the LPC2XXX driver can become the 'official'
> config keys for identifier range filtering.

Excellent coincidence.

> And of course there is also a need for config keys related to bitmask
> filtering.  AFAIK, bitmask filtering is made by declaring an
> identifier value and a bitmask, so the config keys related to bitmask
> filtering would need 2 x 32 bits value for config data (like the
> LPC2XXX range filtering key)
> 
> Since the CAN IO package relay to the hardware layer the config keys
> it does not handle itself, there would be no functional change in the
> package, like the patch I proposed.

Great.

> If this is ok I'll provide an updated patch (using the diff option you
> mention), and combine these changes.
> 
> Or I can provide two patches, one to fix the patch I proposed, and
> then I open a new bugzilla entry with a new patch related to
> 'support_flags'.

Bernard, thank you for your investigation. I think the patches can be
submitted here to save full history of issue, but, if you prefer a
separate Bugzilla report, please, create new one. One thing then. Now,
all your enhancements need to get a copyright assignment from you as I
see your "delta" won't be a-few-lines trivial patch.

Could you, please, initiate a copyright assignments process? You can
find more info here: http://ecos.sourceware.org/assign.html

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^ permalink raw reply	[flat|nested] 13+ messages in thread

* [Bug 1001453] CAN IO package: wider flags field, flag to report return to 'error active' mode
  2012-01-13 16:16 [Bug 1001453] New: CAN IO package: wider flags field, flag to report return to 'error active' mode bugzilla-daemon
                   ` (2 preceding siblings ...)
  2012-01-15 13:56 ` bugzilla-daemon
@ 2012-01-15 22:30 ` bugzilla-daemon
  2012-01-16  8:16 ` bugzilla-daemon
                   ` (7 subsequent siblings)
  11 siblings, 0 replies; 13+ messages in thread
From: bugzilla-daemon @ 2012-01-15 22:30 UTC (permalink / raw)
  To: unassigned

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--- Comment #5 from Bernard Fouché <bernard.fouche@kuantic.com> 2012-01-15 22:30:39 GMT ---
(In reply to comment #4)
> Could you, please, initiate a copyright assignments process? You can
> find more info here: http://ecos.sourceware.org/assign.html

The papers have been already signed by a colleague and I, and sent to the FSF
last week ;-)

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>From ecos-bugs-return-8671-listarch-ecos-bugs=sources.redhat.com@sourceware.org Mon Jan 16 00:02:46 2012
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Ilija Kocho <ilijak@siva.com.mk> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
   Attachment #1477|0                           |1
        is obsolete|                            |

--- Comment #8 from Ilija Kocho <ilijak@siva.com.mk> 2012-01-16 00:02:22 GMT ---
Created an attachment (id\x1518)
 --> (http://bugs.ecos.sourceware.org/attachment.cgi?id\x1518)
Fix IAP and Vector 7 bug and CRP [Bug 1001443]

This patch provides integral fix for IAP and Vector 7 from this Bug as well as
Code Read Protection [Bug 1001443].

Bernard
I am not able to test this patch at the moment. I would appreciate if you test
it. Then if you are happy we could proceed with check in.

Ilija

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^ permalink raw reply	[flat|nested] 13+ messages in thread

* [Bug 1001453] CAN IO package: wider flags field, flag to report return to 'error active' mode
  2012-01-13 16:16 [Bug 1001453] New: CAN IO package: wider flags field, flag to report return to 'error active' mode bugzilla-daemon
                   ` (3 preceding siblings ...)
  2012-01-15 22:30 ` bugzilla-daemon
@ 2012-01-16  8:16 ` bugzilla-daemon
  2012-01-18 21:48 ` bugzilla-daemon
                   ` (6 subsequent siblings)
  11 siblings, 0 replies; 13+ messages in thread
From: bugzilla-daemon @ 2012-01-16  8:16 UTC (permalink / raw)
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--- Comment #6 from Sergei Gavrikov <sergei.gavrikov@gmail.com> 2012-01-16 08:15:58 GMT ---
(In reply to comment #5)
> (In reply to comment #4)
> > Could you, please, initiate a copyright assignments process? You can
> > find more info here: http://ecos.sourceware.org/assign.html
> 
> The papers have been already signed by a colleague and I, and sent to
> the FSF last week ;-)

Great! To be clear, my request does not block patch review (feel free to
send your patches), it may delay a check-in only.

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^ permalink raw reply	[flat|nested] 13+ messages in thread

* [Bug 1001453] CAN IO package: wider flags field, flag to report return to 'error active' mode
  2012-01-13 16:16 [Bug 1001453] New: CAN IO package: wider flags field, flag to report return to 'error active' mode bugzilla-daemon
                   ` (4 preceding siblings ...)
  2012-01-16  8:16 ` bugzilla-daemon
@ 2012-01-18 21:48 ` bugzilla-daemon
  2012-01-25 11:35 ` bugzilla-daemon
                   ` (5 subsequent siblings)
  11 siblings, 0 replies; 13+ messages in thread
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--- Comment #7 from Bernard Fouché <bernard.fouche@kuantic.com> 2012-01-18 21:48:30 GMT ---
Yet more needed change:

- since flags will be 32 bits wide, then the flag_mask field in
cyg_can_callback_cfg_st must be expanded too. Must do a typedef (or a #define?)
for flags instead of using cyg_uint32, I missed the flag_mask expansion because
of this.

- in can_callbacks_t, describing the function pointers accessible to the low
level drivers, xmt_msg is today:

void (*xmt_msg)(can_channel *chan, void *pdata)

I'd like to have instead:

cyg_bool (*xmt_msg)(can_channel *chan, void *pdata)

This is because when the low level driver knows that it can send more than one
message, it has no way to know if high level Tx queue is empty or not. For
instance the driver I test now uses the 3 TX buffers of the LPC17XX. When X
buffers are free, the driver can just call X times xmt_msg, even if no message
is queued. Proposed changed is to have xmt_msg to report is a message was sent
when it was called. If yes, then call again xmt_msg if there are still free Tx
buffers. If no, stop calling since it's useless. On hardware supporting many
Message Objects this need will arise anyway. The only other possibility is to
use a global variable in the low level driver: reset the variable, call
xmt_msg() that calls driver _putmsg(), set variable there, go back to DSR, test
variable. Seems ugly an inefficient.

There are other issues:

- autobaud is said to be potentially supported by the CAN IO package, but there
is no infrastructure to manage it. I hardly see how it could without some
parameters defining the set of speeds to try, how long to wait for a
timeout,and how to warn the upper layer that autobaud found some speed (no
event like CYGNUM_CAN_EVENT_AUTOBAUD_END exists). No start/stop autobaud config
keys exist.   

- LPC2XXX driver supports listen-only mode also by providing unofficial config
keys. IMHO they should be made mainstream since this feature is more and more
available and is very handy, for instance to make a non-intrusive network
monitor (and eventually autobaud...). 

- the application can't know the current values of TX/RX Rec while these are
important to diagnose a bus. A _get_config() key seems appropriate.

BTW I start tomorrow a few days of field tests, I'll try to make an updated
patch next week.

  Bernard

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--- Comment #8 from Sergei Gavrikov <sergei.gavrikov@gmail.com> 2012-01-19 20:45:54 GMT ---
(In reply to comment #7)
> Yet more needed change:
>
> - since flags will be 32 bits wide, then the flag_mask field in
> cyg_can_callback_cfg_st must be expanded too. Must do a typedef (or a
> #define?) for flags instead of using cyg_uint32, I missed the
> flag_mask expansion because of this.
>
> - in can_callbacks_t, describing the function pointers accessible to
> the low level drivers, xmt_msg is today:
>
> void (*xmt_msg)(can_channel *chan, void *pdata)
>
> I'd like to have instead:

[snip]

So far only one comment.

Still try to be very careful when planning to change generic CAN I/O
API. There is not only a dependence (LPC2XXX).

  % ecosconfig list | grep DEVS_CAN
  Package CYGPKG_DEVS_CAN_AT91SAM7 (AT91SAM7 CAN device drivers):
  Package CYGPKG_DEVS_CAN_LOOP (Loop CAN device drivers):
  Package CYGPKG_DEVS_CAN_LPC2XXX (LPC2xxx CAN device drivers):
  Package CYGPKG_DEVS_CAN_MCF52xx_FLEXCAN (MCF52xx FlexCAN device drivers):

Sergei

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^ permalink raw reply	[flat|nested] 13+ messages in thread

* [Bug 1001453] CAN IO package: wider flags field, flag to report return to 'error active' mode
  2012-01-13 16:16 [Bug 1001453] New: CAN IO package: wider flags field, flag to report return to 'error active' mode bugzilla-daemon
                   ` (5 preceding siblings ...)
  2012-01-18 21:48 ` bugzilla-daemon
@ 2012-01-25 11:35 ` bugzilla-daemon
  2012-01-26  8:51 ` bugzilla-daemon
                   ` (4 subsequent siblings)
  11 siblings, 0 replies; 13+ messages in thread
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Bernard Fouché <bernard.fouche@kuantic.com> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
   Attachment #1517|0                           |1
        is obsolete|                            |

--- Comment #10 from Bernard Fouché <bernard.fouche@kuantic.com> 2012-01-25 11:34:34 GMT ---
Created an attachment (id=1527)
 --> (http://bugs.ecos.sourceware.org/attachment.cgi?id=1527)
Updated patch for CAN IO package

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--- Comment #11 from Bernard Fouché <bernard.fouche@kuantic.com> 2012-01-25 11:38:50 GMT ---
Created an attachment (id=1528)
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New config keys for CAN IO package

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--- Comment #12 from Bernard Fouché <bernard.fouche@kuantic.com> 2012-01-25 11:44:23 GMT ---
Created an attachment (id=1529)
 --> (http://bugs.ecos.sourceware.org/attachment.cgi?id=1529)
Reflect API changes in AT91SAM7 CAN driver

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--- Comment #13 from Bernard Fouché <bernard.fouche@kuantic.com> 2012-01-25 11:44:57 GMT ---
Created an attachment (id=1530)
 --> (http://bugs.ecos.sourceware.org/attachment.cgi?id=1530)
Reflect API changes in MCF52XX CAN driver

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Bernard Fouché <bernard.fouche@kuantic.com> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
   Attachment #1529|0                           |1
        is obsolete|                            |
   Attachment #1530|0                           |1
        is obsolete|                            |

--- Comment #14 from Bernard Fouché <bernard.fouche@kuantic.com> 2012-01-25 13:59:21 GMT ---
Created an attachment (id=1531)
 --> (http://bugs.ecos.sourceware.org/attachment.cgi?id=1531)
Single patch for MCF52XX, AT91SAM7, LPC2XXX drivers

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Subject: [Bug 1001461] New: Spansion S25FLxxxK (SPI NOR FLASH) driver
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           Summary: Spansion S25FLxxxK (SPI NOR FLASH) driver
           Product: eCos
           Version: CVS
          Platform: All
        OS/Version: Other
            Status: UNCONFIRMED
          Severity: enhancement
          Priority: low
         Component: Patches and contributions
        AssignedTo: unassigned@bugs.ecos.sourceware.org
        ReportedBy: bernard.fouche@kuantic.com
                CC: ecos-patches@ecos.sourceware.org
             Class: Advice Request


Created an attachment (id\x1532)
 --> (http://bugs.ecos.sourceware.org/attachment.cgi?id\x1532)
Spansion S25FLxxxK (SPI NOR FLASH) driver

Being used for a few months without any known issue. Derived from AT95DFxxx
driver by Chris Holgate and Christophe Coutand.

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* [Bug 1001453] CAN IO package: wider flags field, flag to report return to 'error active' mode
  2012-01-13 16:16 [Bug 1001453] New: CAN IO package: wider flags field, flag to report return to 'error active' mode bugzilla-daemon
                   ` (6 preceding siblings ...)
  2012-01-25 11:35 ` bugzilla-daemon
@ 2012-01-26  8:51 ` bugzilla-daemon
  2012-02-06 20:30 ` bugzilla-daemon
                   ` (3 subsequent siblings)
  11 siblings, 0 replies; 13+ messages in thread
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--- Comment #16 from Bernard Fouché <bernard.fouche@kuantic.com> 2012-01-26 08:50:35 GMT ---
(In reply to comment #15)
> [snip]
> > LPC2XXX driver I'll patch without my other changes, so every driver
> > will be kept coherent with the CAN IO package.
> 
> I see. Sorry that you did not find volunteers that have the eCos CAN
> hardware.

Instead of updating the LPC2XXX CAN driver, I'll make a LPC17XX driver that can
still be compiled for LPC2XXX with a minimal amount of work. Anyway what stops
me to provide hardware drivers at this time is bug #1001456 since its solution
seems to be some API evolution regarding interrupt management, at least for
Cortex-M systems.

> By the way, we may on occasion remove all the warnings in builds of CAN
> tests. I found such annoying warnings (of course, they did exist before
> the patching):
> 
>   cc1: warning: command line option "-Woverloaded-virtual" is valid for
> C++/ObjC++ but not for C
> 
> Medicine: s/\$\(CFLAGS\)/$(ACTUAL_CFLAGS)/g for make rules in CAN config
> files
> 
>   io/can/current/cdl/io_can.cdl
>   devs/can/m68k/mcf52xx/current/cdl/can_mcf52xx.cdl
>   devs/can/arm/lpc2xxx/current/cdl/can_lpc2xxx.cdl
> 
> and may be this can be fixed in another patch-set. Your decision.

Why not wait after the release of the new toolchain? Maybe other compilation
flags will have to be updated in different places?

> 
> Bernard, your work looks great for me. In particular, thank you for
> updated documentation.  I understand (agree with) your arguments. I
> plan to accept all changes after further testing, if nobody objects.

There is still something missing: having the application to be able to get the
values of TXREC/RXREC but this means more modifications to all hw drivers and
I'm not sure how to do this properly. Ideally the counter values would be
provided in events having flags raised like ERR_ACTIVE/ERR_PASSIVE, or they
could be made available by a call to _get_config(). The first solution would
increase the event size (could be an option at the CAN IO package level), the
second solution returns values that are already obsolete by the time the
application get them. So I'll leave this to the next volunteer ;-)

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--- Comment #3 from Bernard Fouché <bernard.fouche@kuantic.com> 2012-01-26 09:05:01 GMT ---
(In reply to comment #2)
> Hi Bernard
> 
> Thank you for your contribution.
> 
> Past couple of days I have committed patches for Bug 1001395 (including bug
> 1001443) and Bug 1001432. You may need to synchronize your patches accordingly.

I've first updated my copy of ecos-cvs before making the patch. More exactly I
was waiting for you to commit to make my patch ;-)

> 
> I could see that some patches cover issues reported (by you) in other bugs. Can
> you submit them there (and obsolete some patches of my own of course)?
> Splitting patches will speed up check in for some of them.

You are probably referring to bug #1001407. Yes the proposed patch includes
changes similar to attachment 1481 (however I didn't use the word 'omplemented'
in the comments ;-)) but it adds many more hardware related definitions. Maybe
you commit your patch, and then I'll submit a new one that won't have the same
fixes? At the moment I have chosen to make my diff vs the ecos cvs repo and I
don't consider pending patches. Maybe I should do differently?

> 
> Also, on your initiative we have started some discussion on bit banding at Bug
> 1001442 so we can continue there with your patches.

So let's first decide how bitband is handled and afterwards I'll update the
proposed patch accordingly. Or I can remove the bitband macros in the proposed
patch.

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--- Comment #4 from Ilija Kocho <ilijak@siva.com.mk> 2012-01-26 10:18:32 GMT ---
(In reply to comment #3)
> (In reply to comment #2)
> > Hi Bernard
> >
> > Thank you for your contribution.
> >
> > Past couple of days I have committed patches for Bug 1001395 (including bug
> > 1001443) and Bug 1001432. You may need to synchronize your patches accordingly.
>
> I've first updated my copy of ecos-cvs before making the patch. More exactly I
> was waiting for you to commit to make my patch ;-)
>
> >
> > I could see that some patches cover issues reported (by you) in other bugs. Can
> > you submit them there (and obsolete some patches of my own of course)?
> > Splitting patches will speed up check in for some of them.
>
> You are probably referring to bug #1001407. Yes the proposed patch includes
> changes similar to attachment 1481 [details] (however I didn't use the word 'omplemented'
> in the comments ;-)) but it adds many more hardware related definitions. Maybe
> you commit your patch, and then I'll submit a new one that won't have the same
> fixes? At the moment I have chosen to make my diff vs the ecos cvs repo and I
> don't consider pending patches. Maybe I should do differently?

Since you have your focus on LPC17xx IMO you could do this fixes better than
me. When you reported the discrepancies I wasn't aware that you are submitting
copyright assignment, otherwise I would have asked you to propose patches.
Now I would ask you to merge the fixes related to missing/wrong #defines. IMO
the best place to submit this "super" patch is bug #1001407 since you can at
the same time obsolete my patch.

Also it will relief me from LPC17xx and shall give me more time for other jobs:
GCC, etc...

>
> >
> > Also, on your initiative we have started some discussion on bit banding at Bug
> > 1001442 so we can continue there with your patches.
>
> So let's first decide how bitband is handled and afterwards I'll update the
> proposed patch accordingly. Or I can remove the bitband macros in the proposed
> patch.

Your proposal could be a start point, sou you may re-submit macros at Bug
1001442. However, as I mentioned earlier, I would be happy with generic CORTEXM
(or CORTEX_M) macros (where applicable) on architectural level. The headline of
Bug 1001442 could be changed accordingly. Let's continue our discussion there.

Ilija

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* [Bug 1001453] CAN IO package: wider flags field, flag to report return to 'error active' mode
  2012-01-13 16:16 [Bug 1001453] New: CAN IO package: wider flags field, flag to report return to 'error active' mode bugzilla-daemon
                   ` (7 preceding siblings ...)
  2012-01-26  8:51 ` bugzilla-daemon
@ 2012-02-06 20:30 ` bugzilla-daemon
  2012-02-07  6:13 ` bugzilla-daemon
                   ` (2 subsequent siblings)
  11 siblings, 0 replies; 13+ messages in thread
From: bugzilla-daemon @ 2012-02-06 20:30 UTC (permalink / raw)
  To: unassigned

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--- Comment #19 from Sergei Gavrikov <sergei.gavrikov@gmail.com> 2012-02-06 20:30:17 GMT ---
(In reply to comment #18)
> Still need CA.

Hi Bernard

Could you specify when you sent your eCos Copyright Assignment(s) to
FSF? What have you sent and to whom?  You can drop me privately, if you
want.

Sergei

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* [Bug 1001453] CAN IO package: wider flags field, flag to report return to 'error active' mode
  2012-01-13 16:16 [Bug 1001453] New: CAN IO package: wider flags field, flag to report return to 'error active' mode bugzilla-daemon
                   ` (8 preceding siblings ...)
  2012-02-06 20:30 ` bugzilla-daemon
@ 2012-02-07  6:13 ` bugzilla-daemon
  2012-02-10 17:29 ` bugzilla-daemon
  2012-02-11  4:16 ` bugzilla-daemon
  11 siblings, 0 replies; 13+ messages in thread
From: bugzilla-daemon @ 2012-02-07  6:13 UTC (permalink / raw)
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--- Comment #20 from Sergei Gavrikov <sergei.gavrikov@gmail.com> 2012-02-07 06:12:55 GMT ---
(In reply to comment #19)

> Could you specify when you sent your eCos Copyright Assignment(s) to
> FSF? What have you sent and to whom?  You can drop me privately, if
> you want.

Bernard, yesterday I got an information that FSF signed and sent your
papers back to you. No need more information from you. So, now I can
process your patches "safely".

Sergei

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* [Bug 1001453] CAN IO package: wider flags field, flag to report return to 'error active' mode
  2012-01-13 16:16 [Bug 1001453] New: CAN IO package: wider flags field, flag to report return to 'error active' mode bugzilla-daemon
                   ` (9 preceding siblings ...)
  2012-02-07  6:13 ` bugzilla-daemon
@ 2012-02-10 17:29 ` bugzilla-daemon
  2012-02-11  4:16 ` bugzilla-daemon
  11 siblings, 0 replies; 13+ messages in thread
From: bugzilla-daemon @ 2012-02-10 17:29 UTC (permalink / raw)
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--- Comment #22 from Bernard Fouché <bernard.fouche@kuantic.com> 2012-02-10 17:28:22 GMT ---
Thanks Sergei! IMHO this 'bug' can be closed...

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Subject: [Bug 1001450] Kinetis HAL and driver upgrade
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Tomas Frydrych <tf+bugs.ecos@r-finger.com> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
                 CC|                            |tf+bugs.ecos@r-finger.com

--- Comment #27 from Tomas Frydrych <tf+bugs.ecos@r-finger.com> 2012-02-10 19:55:19 GMT ---
Ilija, how do I enable the DMA controller? (There seems to be no package
implementing the CYGINT_HAL_DMA interface)

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^ permalink raw reply	[flat|nested] 13+ messages in thread

* [Bug 1001453] CAN IO package: wider flags field, flag to report return to 'error active' mode
  2012-01-13 16:16 [Bug 1001453] New: CAN IO package: wider flags field, flag to report return to 'error active' mode bugzilla-daemon
                   ` (10 preceding siblings ...)
  2012-02-10 17:29 ` bugzilla-daemon
@ 2012-02-11  4:16 ` bugzilla-daemon
  11 siblings, 0 replies; 13+ messages in thread
From: bugzilla-daemon @ 2012-02-11  4:16 UTC (permalink / raw)
  To: unassigned

Please do not reply to this email. Use the web interface provided at:
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Sergei Gavrikov <sergei.gavrikov@gmail.com> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|NEEDINFO                    |RESOLVED
         Resolution|                            |CURRENTRELEASE

--- Comment #23 from Sergei Gavrikov <sergei.gavrikov@gmail.com> 2012-02-11 04:15:53 GMT ---
Mark as RESOLVED.

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