>>>>> "Grant" == Grant Edwards <[EMAIL PROTECTED]> writes:
Grant> In gmane.os.ecos.general, you wrote:
>>> On both processors cyg_uint16 is exactly 16 bits and cyg_uint32 is
>>> exactly 32 bits. Hence those data types can be used reliably for
>>> describing hardware, for defining network protocols, etc.
>>>
>>> However cyg_ucount16 is 16 bits on the 16-bit processor and 32
>>> bits on the 32-bit processor. In both cases cyg_ucount16 is
>>> the most efficient data type that provides at least the
>>> specified number of bits.
Grant> IOW, it's a different spelling of the C<mumble> standard types
Grant> int_fastNN_t and uint_fastNN_t.
>> Sounds like a good application for "int" or "unsigned int".
Grant> There are (now) actually standard C types for the usage in
Grant> question, but I don't think gcc implemented them back in
Grant> the early days of eCos. Maybe they weren't even in the
Grant> standards back them -- I forget.
The _fast types were introduced in C99, which only became a standard
in early 2000. eCos's cyg_type.h dates from 1997. Going through all
eCos code and replacing the cyg_ types with the C standard ones would
be too painful.
Bart
--
Bart Veer eCos Configuration Architect
http://www.ecoscentric.com/ The eCos and RedBoot experts
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