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  Topic: 18F4550 Crystal
karthickiw

Replies: 1
Views: 4399

PostForum: General CCS C Discussion   Posted: Mon Sep 30, 2013 5:34 am   Subject: 18F4550 Crystal
Hi friends..
How much external crystal connect for below code ....

#include <18F4550.h>
#fuses HSPLL,NOWDT,NOPROTECT,NOLVP,NODEBUG,USBDIV,PLL5,CPUDIV1,VREGEN
#use delay(cloc ...
  Topic: Problem with RS232 to USB driver in 18F4550
karthickiw

Replies: 4
Views: 7508

PostForum: General CCS C Discussion   Posted: Wed Jul 13, 2011 3:29 am   Subject: Thank you
Thank You Ttelmah.. your link very usefull. i solved the problem....Smile
  Topic: Problem with RS232 to USB driver in 18F4550
karthickiw

Replies: 4
Views: 7508

PostForum: General CCS C Discussion   Posted: Tue Jul 12, 2011 9:41 pm   Subject: thank you
Thank you friend...

I check on my desktop PC, its work very good. I receive the data from USB virtual port. My problem is when hardware connect in laptop, laptop don't support the virtual port dr ...
  Topic: Problem with RS232 to USB driver in 18F4550
karthickiw

Replies: 4
Views: 7508

PostForum: General CCS C Discussion   Posted: Tue Jul 12, 2011 8:37 am   Subject: Problem with RS232 to USB driver in 18F4550
Dear friends,

i used 18F4550 to transmitted data from micrcontroller to PC through usb port. when plug usb pin in laptop, my laptop don't take driver in c:\Pragram file\PICC\drivers\

i insta ...
  Topic: Problem with RS485
karthickiw

Replies: 19
Views: 43001

PostForum: General CCS C Discussion   Posted: Tue Jul 12, 2011 5:52 am   Subject: Thank you..
Thank CCS friends for helping. I got output. Ex_r485.c code is correct.

Thank you lot... Smile
  Topic: Problem with RS485
karthickiw

Replies: 19
Views: 43001

PostForum: General CCS C Discussion   Posted: Fri Jul 01, 2011 11:00 pm   Subject: thanks PCM
my compiler version

IDE,PCB,PCM,PCH,PCD - 4.104.

my circuit is correct?
  Topic: Problem with RS485
karthickiw

Replies: 19
Views: 43001

PostForum: General CCS C Discussion   Posted: Fri Jul 01, 2011 10:02 pm   Subject: PCM Prgram
PCM Programmer check this circuit is correct for ex_rs485.c program.. Crying or Very sad
  Topic: Problem with RS485
karthickiw

Replies: 19
Views: 43001

PostForum: General CCS C Discussion   Posted: Thu Jun 30, 2011 12:34 am   Subject: please help me friends
please help me friends.. i try more then one week.. i don't get output for example program itself.. i don't know, problem in example program or my circuit connection..please check my circuit is correc ...
  Topic: Problem with RS485
karthickiw

Replies: 19
Views: 43001

PostForum: General CCS C Discussion   Posted: Wed Jun 29, 2011 7:16 am   Subject: same problem
Thanks John,

still my problem not solve. i add pull up and pull down resister on my circuit, then also data not send to receiver microcontroller.. i think my program is hang in below function..
...
  Topic: Problem with RS485
karthickiw

Replies: 19
Views: 43001

PostForum: General CCS C Discussion   Posted: Tue Jun 28, 2011 10:13 pm   Subject: check circuit
check my circuit connection is correct for ex_rs485.c program?
  Topic: Problem with RS485
karthickiw

Replies: 19
Views: 43001

PostForum: General CCS C Discussion   Posted: Tue Jun 28, 2011 9:24 am   Subject: Problem with RS485
hai Friends,

I tried to work with RS485 using ex_rs485.c example file. when i simulate circuit using proteus software i don't get send data on my receiver terminal.. i don't know what is error ...
  Topic: Problem with Proteus and 24FJ128J010
karthickiw

Replies: 3
Views: 5580

PostForum: General CCS C Discussion   Posted: Sun Dec 19, 2010 8:11 am   Subject: Problem with Proteus and 24FJ128J010
Hai Friends,

I am new for 24F series Microcontroller. I write below program in ccs compiler (version 4.104) and compiled the program without any error. But I load into Proteus simulator. It don' ...
  Topic: Bootloader problem
karthickiw

Replies: 0
Views: 2360

PostForum: General CCS C Discussion   Posted: Sat Jun 05, 2010 9:40 am   Subject: Bootloader problem
hai friends,

I try to change device number in the bootloader program from example program folder. I change device number 16F877 to 16F877A and compile the program is show error...

Error messa ...
  Topic: how to measure the RPM
karthickiw

Replies: 5
Views: 9493

PostForum: General CCS C Discussion   Posted: Wed Apr 21, 2010 10:03 pm   Subject: thank you
hai,

Thank you for your reply. I already done likewise, in this method every one second we get the RMP value. I need live RPM value without 1 second delay.
  Topic: how to measure the RPM
karthickiw

Replies: 5
Views: 9493

PostForum: General CCS C Discussion   Posted: Wed Apr 21, 2010 9:26 am   Subject: how to measure the RPM
Hai CCS friends,

i want to measure accurate RMP value using PIC microcontroller. Now i am use timer1 to capture and count the signal from NPN type proximity sensor and Timer0 is calibrate the ...
 
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