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Discussion Groups | 68HC12 | Re: Re: spi debuging problem
Join our technical discussions about Freescale Microcontrollers: M68HC12. (Freescale Semiconductor is a Subsidiary of Motorola).
Re: Re: spi debuging problem - bailao - Sep 7 19:00:35 2007
Hi,
I have try your approach,but it dose not work.
Bailao
======== 2007-09-05 19:31:00 您在来信中写道： ========
Hi,
I've also had some problem with SPI (my prog has also stuck at that
line, but not during reset), and (if I remember well) in the older
posts on this forum there's a hint for the need to add another check
before you can send the data.
You can try this:
unsigned char XferSPI2(unsigned char abyte) {
while((SPI2SR & BM_SPTEF) == 0);
SPI2DR = abyte;
while((SPI2SR & BM_SPIF) == 0);
return(SPI2DR);
}
Zoltan
--- In 6...@yahoogroups.com, "bailao" wrote:
>
> Hello All,
>
> I got a strange problem while debuging TLE6232 with SPI
Module.Please see the circuit and project in the accessory.
> The project works well while reseting by BDM from P&E,but stops at
command "while((SPI0SR & BM_SPIF) == 0) ; // wait until transfer
finished" listed in s12_spi.c when reseting by hardware reseting or
power-up reseting.
>
> Those who will try it will be great thankful!
>
> Thanks!
>
> bailao
>
> [Non-text portions of this message have been removed]
>
[Non-text portions of this message have been removed]
(You need to be a member of 68hc12 -- send a blank email to 68hc12-subscribe@yahoogroups.com )
I have try your approach,but it dose not work.
Bailao
======== 2007-09-05 19:31:00 您在来信中写道： ========
Hi,
I've also had some problem with SPI (my prog has also stuck at that
line, but not during reset), and (if I remember well) in the older
posts on this forum there's a hint for the need to add another check
before you can send the data.
You can try this:
unsigned char XferSPI2(unsigned char abyte) {
while((SPI2SR & BM_SPTEF) == 0);
SPI2DR = abyte;
while((SPI2SR & BM_SPIF) == 0);
return(SPI2DR);
}
Zoltan
--- In 6...@yahoogroups.com, "bailao"
>
> Hello All,
>
> I got a strange problem while debuging TLE6232 with SPI
Module.Please see the circuit and project in the accessory.
> The project works well while reseting by BDM from P&E,but stops at
command "while((SPI0SR & BM_SPIF) == 0) ; // wait until transfer
finished" listed in s12_spi.c when reseting by hardware reseting or
power-up reseting.
>
> Those who will try it will be great thankful!
>
> Thanks!
>
> bailao
>
> [Non-text portions of this message have been removed]
>
[Non-text portions of this message have been removed]
(You need to be a member of 68hc12 -- send a blank email to 68hc12-subscribe@yahoogroups.com )