From: Matthias T. <mt...@we...> - 2007-03-13 20:07:29
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-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA1 Hi Hans, Hans H=FCbner schrieb: > Am 13.03.07 schrieb Hans H=FCbner <ha...@hu...>: >> For fun, I have connected a four digit 7 segment display to my >> ATMEGA32 running at 16 Mhz. The display is multiplexed in two pairs, >> so I need to refresh fast enough to get a stable display. To do so, I >> use TIMER0 with the overflow interrupt mapped to vector three. I >> prescale the timer by 256, thus my interrupt handler is called at >> about 240 Hz. It just works. Also, I have observed no anomalies >> working in immediate mode while my display refresh was active, so I >> could still compile works. What a gas! Great stuff :) >=20 > Just an observation: While compiling, the display flickers. It seems > that IRQs are being disabled during flash programming, which is a good > thing. This is really a good news. In my tests the controller always freezes when the flash gets written. I should re-do the tests... Thanks+Bye Matthias -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.3 (GNU/Linux) iD8DBQFF9wR5Lo3irIddFw4RAn0AAJ4n9ysiK35Hr5tRC3/lanaG05PRRwCZAX6E PDMTYIEDg/N43uA/0bI2Cnc=3D =3DJSRh -----END PGP SIGNATURE----- |