[Bug 1000781] New: incomplete register flag declarations for AT91 SPI status register

[Bug 1000781] New: incomplete register flag declarations for AT91 SPI status register

[bugzilla-daemon]

http://bugs.ecos.sourceware.org/show_bug.cgi?id=1000781

           Summary: incomplete register flag declarations for AT91 SPI
                    status register
           Product: eCos
           Version: 3.0
          Platform: at91sam7xek_256 (AT91SAM7X-EK board with AT91SAM7X256)
        OS/Version: ARM
            Status: UNCONFIRMED
          Severity: minor
          Priority: normal
         Component: HAL
        AssignedTo: jifl@ecoscentric.com
        ReportedBy: peter@niebert.com
         QAContact: ecos-bugs@ecos.sourceware.org
             Class: ---



Peter Niebert <peter@niebert.com> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
               Flag|                            |Patch_or_Contribution?


Created an attachment (id=740)
 --> (http://bugs.ecos.sourceware.org/attachment.cgi?id=740)
the modified file hal/arm/at91/var/current/include/var_io.h

hal/arm/at91/var/current/include/var_io.h lists a certain number of flags of
the SPI status register:

#define AT91_SPI_SR_RDRF       0x00000001        // Receive Data Register Full
#define AT91_SPI_SR_TDRE       0x00000002        // Tx Data Register Empty
#define AT91_SPI_SR_MODF       0x00000004        // Mode Fault Error
#define AT91_SPI_SR_OVRES      0x00000008        // Overrun Error Status
#define AT91_SPI_SR_ENDRX      0x00000010        // End of Receiver Transfer
#define AT91_SPI_SR_ENDTX      0x00000020        // End of Transmitter Transfer

For obcure reasons, the four remaining flags are not declared and should be
added as follows:


#define AT91_SPI_SR_RXBUFF     0x00000040        // RX Buffer Full
#define AT91_SPI_SR_TXBUFE     0x00000080        // TX Buffer Empty
#define AT91_SPI_SR_NSSR       0x00000100        // NSS Rising
#define AT91_SPI_SR_TXEMPTY    0x00000200        // Transmission Registers
Empty


Attached is the modified file hal/arm/at91/var/current/include/var_io.h


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[Bug 1000781] incomplete register flag declarations for AT91 SPI status register

[bugzilla-daemon]

http://bugs.ecos.sourceware.org/show_bug.cgi?id=1000781





--- Comment #1 from Peter Niebert <peter@niebert.com>  2009-05-23 18:13:09 ---
Created an attachment (id=741)
 --> (http://bugs.ecos.sourceware.org/attachment.cgi?id=741)
Extract from an AT91SAM7X documentation for these flags

For you to check my additions, I add a 2 page extract from the AT91SAM7
documentation.

For SAM9 the flags are the same.


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[Bug 1000781] incomplete register flag declarations for AT91 SPI status register

[bugzilla-daemon]

http://bugs.ecos.sourceware.org/show_bug.cgi?id=1000781


John Dallaway <john@dallaway.org.uk> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
                 CC|                            |john@dallaway.org.uk
         AssignedTo|jifl@ecoscentric.com        |john@dallaway.org.uk




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[Bug 1000781] incomplete register flag declarations for AT91 SPI status register

[bugzilla-daemon]

http://bugs.ecos.sourceware.org/show_bug.cgi?id=1000781


John Dallaway <john@dallaway.org.uk> changed:

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




--- Comment #2 from John Dallaway <john@dallaway.org.uk>  2009-05-25 14:44:38 ---
Thank you for the the bug report. I have added the missing SPI status register
definitions.


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