On Thu, Apr 17, 2008 at 12:18:50PM +0100, Andy Green wrote: > | It can be good if we can run the touchscreen from MSP430 ADC. Maybe see > | if you can think that through, we need to use GTA01 style external drive > | for X and Y when we measure. Maybe internal DMA helps there. > > Forget DMA, AFAICS the A/D is running while cpu sleeping, and we even > have a > COMPARATOR! :-)) to irq when a certain analog level is detected! That's > plain > great! Resistive TS no issue at all. > OTOH I seen some capacitive TS around those GTA04 modells ?!? Have to ask > Allen what's the plan here... > This is actually a question I meant to bring up and keep forgetting.
There are numerous complaints from the GUI guys about the gta01/02 TS varying from jitter to too low resolution. Someone should investigate the n800/n810 TS that works well with both finger and stylus. How did they do this trick? Is it just software or did they do something in hardware. Graeme
