hello every body, i am looking some help for generating sawtooth using pic18f4431

[medastar]

Hello every body, i am looking some help for generating sawtooth using pic18f4431.i have attached the code.

Thanks inadvance

 

[mrcube_ns]

What is your problem?
Code do not work?
Or you do not understand how it work, if code work?
Or?!?


Best regards,

Mr.Cube

 

[medastar]

Hello Mr Cube,first i would like to thank you for help,the code doesnt give me what i am looking for.my aim is to generate sawtooth and also sinwave with different period and then compare sawtooth with sinwave to get sinusoidal pwm output signal from the pic.Expected pwm is attached

 

[paulfjujo]

hello

First remark

i suppose int is size for signed int 16 bits ,as for C18 MPLAB , isn't it ?

you are using int (so signed int maxi=+32767) for counter1 value (and other int variables)
and test with

if (counter1 <=32000000) {....

use long int instead of int...