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  Topic: Drive a Piezo Transducer with PIC
Krille28

Replies: 4
Views: 6044

PostForum: General CCS C Discussion   Posted: Fri Feb 08, 2008 6:51 am   Subject: Drive a Piezo Transducer with PIC
Hi

I´m trying to drive a transducer with my pic182455. It is directly connected to pin B4. The thing is that I cant get it to sound loud. The resonant freq. is 2400Hz.

My code:
Void Beep()
{ ...
  Topic: Bootloader and application program using the same subroutine
Krille28

Replies: 6
Views: 7263

PostForum: General CCS C Discussion   Posted: Tue Jan 29, 2008 2:22 am   Subject: Bootloader and application program using the same subroutine
Anyone?
  Topic: Bootloader and application program using the same subroutine
Krille28

Replies: 6
Views: 7263

PostForum: General CCS C Discussion   Posted: Thu Jan 24, 2008 11:53 am   Subject: Bootloader and application program using the same subroutine
I´m going to make a bootloader program for my pic18F2455. I think i have understand the concept for bootloading:

First i have to make a boot program that has a main for writing the flash memory. I ...
  Topic: Problem with oscillator config and USB for 18FL2455
Krille28

Replies: 5
Views: 5419

PostForum: General CCS C Discussion   Posted: Wed Nov 21, 2007 6:32 am   Subject: Problem with oscillator config and USB for 18FL2455
Ttelmah

You were right. It works perfect now. The thing is that you have to reinstall the USB driver (USB to Seriell).

Thanks
  Topic: Problem with oscillator config and USB for 18FL2455
Krille28

Replies: 5
Views: 5419

PostForum: General CCS C Discussion   Posted: Wed Nov 21, 2007 5:22 am   Subject: Problem with oscillator config and USB for 18FL2455
Thanks for the reply. I thing you mean CPUDIV1 (0 do not exist). I have already tried this but then the usb is not recognised in windows.
  Topic: Problem with oscillator config and USB for 18FL2455
Krille28

Replies: 5
Views: 5419

PostForum: General CCS C Discussion   Posted: Wed Nov 21, 2007 4:21 am   Subject: Problem with oscillator config and USB for 18FL2455
I´m using a system with 4MHZ crystal input on OSC1 OSC2 and a 32,768kHZ on T1OSC.

Here is my problem. I want to be able to use USB and have my CPU running in 4MHZ.

Here are my FUSES

#FUSES U ...
 
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