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Re: [avr-libc-dev] AT43USB35x support!

From: Keith Gudger
Subject: Re: [avr-libc-dev] AT43USB35x support!
Date: Fri, 28 Feb 2003 12:49:03 -0800 (PST)


Yes, I could split those out...  It was just easier for me this way.


On Fri, 28 Feb 2003, E. Weddington wrote:

> On 28 Feb 2003 at 11:49, Keith Gudger wrote:
> > Attached are the files for the AT43USB320.  I created the io43u32x.h
> > file and used it to generate the crt43320.o file.
> > 
> > Just a reminder, that the io.h file has to get updated, too, to
> > include the .h file.  Thanks.
> > 
> I've posted this on avr-libc-dev because I'd like other's opinions.
> There's two minor concerns I have, and that's the stuff at the bottom 
> of the header:
> #define flash const
> #define near
> #define far
> #define C_task int
> #define AVR_INTERRUPT(x) 
> #define ROM_BYTE_POINTER unsigned char flash *
> I ended up removing these from io43u35x.h when that was submitted. 
> AFAIK, these definitions are not standardized across the other 
> devices.
> I'll leave it up to the experts (Marek, Ted?) as to whether these 
> definitions should be left out.
> There are also other definitions in the file:
> #define    INT0_interrupt(x)         SIGNAL (SIG_INTERRUPT0)
> #define    INT1_interrupt(x)         SIGNAL (SIG_INTERRUPT1)
> #define    TIMER1_CAPT1_interrupt(x) SIGNAL (SIG_TIMER1_CAPT1)
> #define    TIMER1_COMPA_interrupt(x) SIGNAL (SIG_OUTPUT_COMPARE1A)
> #define    TIMER1_COMPB_interrupt(x) SIGNAL (SIG_OUTPUT_COMPARE1B)
> #define    TIMER1_OVF1_interrupt(x)  SIGNAL (SIG_OVERFLOW1)
> #define    TIMER0_OVF_interrupt(x)   SIGNAL (SIG_OVERFLOW0)
> #define    SPI_interrupt(x)        SIGNAL (SIG_SPI)
> #define    UART_RX_interrupt(x)        SIGNAL (SIG_UART_RECV)
> #define    UART_UDRE_interrupt(x)      SIGNAL (SIG_UART_DATA)
> #define    UART_TX_interrupt(x)        SIGNAL (SIG_UART_TRANS)
> #define    ANA_COMP_interrupt(x)       SIGNAL (SIG_ANA_COMP)
> #define    USB_interrupt(x)                    SIGNAL (SIG_USB_INT)
> #define    SuspendResume(x)                    SIGNAL (SIG_INTERRUPT0)
> Again, this is not commonly done in the other header files and I 
> wonder whether these should be removed or not. I didn't check the 
> at43usb35x.h file for these defs either.
> So everybody else knows, Keith is writing some GCC libraries that 
> will be distributed on Atmel's web site to interface to these USB 
> chips. My other concern then, Keith, is that are these definitions 
> needed by your library? and could these defs be seperated out into 
> another header that's shipped with your lib?
> And I don't think Keith is on avr-libc-dev so unless otherwise stated 
> could he be CCed?
> Eric

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