|
I just want to count the revolution, so even if the trip point is not on the 'dot' it do not matter. What matters here is that I want to be able to calculate the transitions from black to white and white to black. After four transistions I get a revolution .
The problem in my program is that it is not showing anything on the LCD.
ken
|
crap.. I forgot to define my ADC:
Define ADC_BITS 8 ' Set number of bits in result
Define ADC_CLOCK 3 ' Set clock source (3=rc)
Define ADC_SAMPLEUS 50 ' Set sampling time in uS
ken
|
So it is working now???Originally Posted by lerameur
Dave
Always wear safety glasses while programming.
|
I dont know if it works, I m at work now, I will see when I get home tonight
skimask, what do you mean by tripping?
:is this it...
ADCON0.2 = 1 'Start Conversion
ADCIN 1, Output_Pot 'analog pin 1 (RA1) get the 8 bit result
|
Ok, I see there's 2 places where I could be 'tripping' !
1st tripping - by that I mean the point where the ADCIN routine distinguishes between the light and dark area of the disc.
2nd tripping - Do you see this phrase anywhere in the manual?
I.E. YOU don't need to start the A/D conversion, ADCIN does that for you.Code:ADCON0.2 = 1 'Start Conversion
|
Right, but if it's not tripping in the first place, you won't get any counts in the last place...
And the ADC, yes, that's part of it. The other part is 'starting' the ADC itself.
|
Or is this the problem
Code:DEFINE LCD_BITS 4 ' Set LCD bus size (4 or 8 bits) '4 therefore put wire at 4, 5, 6 and 7 of LCD
Dave
Always wear safety glasses while programming.
Members who have read this thread : 0You do not have permission to view the list of names.
Posting Permissions
Bookmarks