how to generate triangular wave.....

[kvrajasekar]

Hi,

Can anyone help me to built a triangular wave using counter(in 16f877).

I am using asm code.Plz guide me.



Regards,
Raja.

[eggman]

use pwm, just ramp up and down with a counter and put a filter on the pin (RC).

[kvrajasekar]

Thanks for ur quick response,

i want fixed amplitude triangle wave of 2.5v,so how can i set a counter to generate the wave.

Plz give me the required steps to do this.


Regards,
Raja.

[eggman]

how about this as an example of a low frequency triangular wave:

loop:

for counter = 0 to 127
hpwm 1,counter,10000
pause 1
next counter

for counter = 127 to 0 step -1
hpwm 1,counter,10000
pause 1
next counter

goto loop

Of course all in PBP, not assembly, but this is a PBP forum as you may have observed.

[kvrajasekar]

Thanks,but i am using assembly language.

[mat janssen]

Than you'v got the wrong forum.
You will need the PIC_assembly forum and not one of the picbasic forum's.