Comments (3)
A couple of notes i forgot:
- My ATmega1284p is running at 16Mhz
- The output I attached is not from the DemoNTSC, is another example I created
that draws a rectangle with a cross between its corners, you can see that the
image is also drawn with a horizontal offset (thats the flickering).
- I had tired the example sketches and schematic with an Arduino Duemilanove
(ATmega328p) with both version and it works fine
Original comment by [email protected]
on 24 Nov 2010 at 6:47
from arduino-tvout.
I have a atmega1284p as well and I also have troubles with it. The issue
varies depending on the resolution used. from unusable to almost non
existent(120x96 works pretty well).
The issue is caused by the line handler taking to long on the 1284p vs other
devices. It can be fixed by changing
_NTSC_TIME_OUTPUT_START/_PAL_TIME_OUTPUT_START to a slightly higher value (15
for NTSC and 15.5 for PAL seem to work perfectly although this may shift the
image of the screen....)
Are you using the sanguino cores? I am wondering if there is an interrupt
firing that cannot for this library to work. Although I have not heard of this
issue effecting standard sanguinos.
Original comment by [email protected]
on 25 Nov 2010 at 1:24
from arduino-tvout.
Demo sketches work fine for me although maybe I have fixed them since the last
push. Ill look into it.
Original comment by [email protected]
on 25 Nov 2010 at 1:25
from arduino-tvout.
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