gnupic: Re: [gnupic] sdcc and USB
Subject:
Re: [gnupic] sdcc and USB
From:
Easy B ####@####.####
Date:
3 Nov 2005 19:06:26 +0000
Message-Id: <777370DB-2992-46F8-80D8-9DE3A59A331C@freesurf.ch>
Cool, I definitely would be interested. I can program 18f2550s, now
that I got a working wisp628 setup ;) Haven't you got a website or
something? If no, I could host.
Cheers,
Ezra.
Am 03.11.2005 um 19:40 schrieb Julian Green:
> I have ported the code to sdcc for the microchip application note
> (cant
> remember the name) for porting application from rs232 to USB by
> implementing a serial port over USB. No idea if it works, as I cant
> program the 2550 chip yet. Willing to post what I have to the list if
> people are interested.
>
> Julian
>
> On Thu, 3 Nov 2005, Easy B wrote:
>
>> Hi guys
>>
>> I'm planning to start programming my new 18F2550 USB PIC with sdcc.
>> I'm aware of the examples from microchip and other work based on
>> them, but I never found any code specially for sdcc. Now I'm
>> wondering if anybody ported the examples or has some other USB code
>> that compiles with sdcc. Or do I have to start from scratch? I know
>> that a few guys like Xiao Fan own USB PICs and also use sdcc. I
>> really don't want to start programming the 18f parts in assembly,
>> everybody is shouting that sdcc works for PICs, especially 18f ones,
>> so I want to try that.
>> Thanks in advance.
>>
>> Cheers,
>> Ezra.
>>
>> Am 02.11.2005 um 10:07 schrieb Chen Xiao Fan:
>>
>>>
>>>
>>> -----Original Message-----
>>> From: ####@####.####
>>> ####@####.####
>>> Sent: Friday, October 28, 2005 3:49 AM
>>> To: ####@####.####
>>> Subject: [Sdcc-user] PIC14 port matures
>>>
>>>
>>> Dear SDCC/PIC14 users,
>>>
>>> I am really proud to announce that the PIC14 port has seen serious
>>> improvement over the past few days:
>>>
>>> - large quantity of bugs removed
>>> - generic pointer support added
>>> Now `unqualified' pointers are three bytes long, use qualifiers
>>> __data or __code to reduce them to two bytes.
>>> Pointers to const "variables" are no longer assumed to point to
>>> __code space; use __code const int *x instead)
>>> - better library support has been added
>>> Now the PIC14 port provides better support for multi-source file
>>> projects (still lacks initialization of variables outside the
>>> main
>>> module though, bet works nicely with the library).
>>> All support routines (generic pointer access, multiplication,
>>> division/modulus) should work nicely on a large number of devices
>>> without recompiling. All projects must link PIC14's
>>> libsdcc.lib to
>>> make use of these!
>>> (Volunteers may now start porting a libc...)
>>> - a new command-line switch has been added to disable a (slightly)
>>> faulty optimization (--no-pcode-opt).
>>> An improved (and correct ;-D) replacement is under development.
>>>
>>> Note that .o output from previous SDCC versions will be incompatible
>>> with new ones due to symbol renaming (arguments/return values are
>>> now
>>> passed on using a location independant `STKn' rather than
>>> `s0x<addr>'
>>> in order to enable library reuse across multiple devices).
>>>
>>> I am looking forward to hearing your opinions and bug reports as
>>> well as
>>> pointers to `most wanted features'.
>>>
>>> All improvements should be accessible starting with SDCC 2.5.4
>>> #1130.
>>>
>>> Regards,
>>> Raphael Neider
>>>
>>>
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>>
>>
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