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Lpc2000

Index last updated: 2026-04-28 23:31 UTC

Message

Re: trashed 2148 bootloader

2006-02-22 by Jayasooriah

Hi Paul,

I am quite sure you had your tongue firmly in your cheeks when you asked 
"Are you serious?"

Without Philips coming to the party, I see little point in explaining how 
one can do this.

I could be tempted to if you promise you will eat your shoes if I show how :)

Jaya

Hint: Have a look at how boot loader update works.

--- In lpc2000@yahoogroups.com, "Paul Curtis" <plc@...> wrote:
 >
 > Jaya,
 >
 > > > >to program memory is worthy of being disparaged, in my opinion.
 > > >
 > > >How else do you propose they [Philips] determine the frequency in
 > > >order to set internal timing dependent parameters?
 > > >
 > > >Robert
 > >
 > > Making the flash timing parameters compile time constants
 > > will resolve this issue quite nicely given the we know what
 > > the crystal frequency is and given it is fixed for any given
 > > design.
 >
 > Are you serious?  How on earth would that ever work?  Philips have no
 > idea what frequency the customer will choose for a crystal, so how can
 > they use compile time constants in their bootloader?  This is becoming
 > surreal.
 >
 > --
 > Paul Curtis, Rowley Associates Ltd  http://www.rowley.co.uk
 > CrossWorks for MSP430, ARM, AVR and now MAXQ processors

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