RE: MPC5200 - Problem with PSC mode

2 messages, 2 authors, 2006-01-30 · open the first message on its own page

RE: MPC5200 - Problem with PSC mode

From: Zeitler, Nathan <hidden>
Date: 2006-01-30 14:31:03

Hi Allann,
out_8(&psc->command, MPC5xxx_PSC_RST_RX |
         MPC5xxx_PSC_RST_TX |
         MPC5xxx_PSC_SEL_MODE_REG_1 |
         MPC5xxx_PSC_RST_ERR_STAT);
It looks like you're trying to do too many things at once here. =20
ORing SEL_MODE_REG_1 and RST_ERR_STAT together=20
forms a completely different command in the Command=20
register.  You may want to break that into two lines of code. =20
Give that a try!

Open Systems International, Inc.=20
Nathan Zeitler
Hardware Engineer
3600 Holly Lane North, Suite 40
Minneapolis, MN 55447-1286
Phone: 763 551 0559
Fax: 763 551 0750
E-mail: nzeitler@osii.com

Re: MPC5200 - Problem with PSC mode

From: Moloko Vellocet <hidden>
Date: 2006-01-30 19:30:35

Thank you.

But the error persists, I can't get data stored in RX pin and write
data to TX pin.

Registers like 'rfnum' are with value '0' (zero).

I think that RX and TX has not been enabled.


On 1/30/06, Zeitler, Nathan [off-list ref] wrote:
Hi Allann,
quoted
out_8(&psc->command, MPC5xxx_PSC_RST_RX |
         MPC5xxx_PSC_RST_TX |
         MPC5xxx_PSC_SEL_MODE_REG_1 |
         MPC5xxx_PSC_RST_ERR_STAT);
It looks like you're trying to do too many things at once here.
ORing SEL_MODE_REG_1 and RST_ERR_STAT together
forms a completely different command in the Command
register.  You may want to break that into two lines of code.
Give that a try!

Open Systems International, Inc.
Nathan Zeitler
Hardware Engineer
3600 Holly Lane North, Suite 40
Minneapolis, MN 55447-1286
Phone: 763 551 0559
Fax: 763 551 0750
E-mail: nzeitler@osii.com

--
_______________________________
Allann J. O. Silva

"I received the fundamentals of my education in school, but that was
not enough. My real education, the superstructure, the details, the
true architecture, I got out of the public library. For an
impoverished child whose family could not afford to buy books, the
library was the open door to wonder and achievement, and I can never
be sufficiently grateful that I had the wit to charge through that
door and make the most of it." (from I. Asimov, 1994)
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