Author |
Message |
Topic: PWM Dimming |
jhasan
Replies: 6
Views: 9347
|
Forum: General CCS C Discussion Posted: Tue Jul 12, 2011 3:13 pm Subject: PWM Dimming |
For some reason I cannot download a image here.
If you could bare with me, and go to google and search for the following paper "LED Driver With Self-Adaptive Drive Voltage". On page 4 of ... |
Topic: PWM Dimming |
jhasan
Replies: 6
Views: 9347
|
Forum: General CCS C Discussion Posted: Tue Jul 12, 2011 11:29 am Subject: PWM Dimming |
Hello,
I still did not get the PWM signal to be shifted.
This is my code:
while(1)
{
set_adc_channel(0);
delay_us(20);
Vsense_adc_read_1 = read_adc() ... |
Topic: PWM Dimming |
jhasan
Replies: 6
Views: 9347
|
Forum: General CCS C Discussion Posted: Mon Jul 11, 2011 11:28 pm Subject: PWM Dimming |
I am using PIC18F4431 to do PWM dimming for a two string LED. The two PWM signals for dimming the LEDs have to be phase shifted. Also, I am using a voltage on the ADC pin so that I can change the dimm ... |
Topic: Problems with printf() and getc() |
jhasan
Replies: 15
Views: 14709
|
Forum: General CCS C Discussion Posted: Tue Jan 13, 2009 6:41 pm Subject: Problems with printf() and getc() |
In the SIOW window:
ComPorts=Direct to COM1 [It is connected to COM1 of my PC]
Baud rates=9600
Parity=None
Data bits=8
Stop bits=1
Software Flow Control=None
Hardware Flow Contro ... |
Topic: Problems with printf() and getc() |
jhasan
Replies: 15
Views: 14709
|
Forum: General CCS C Discussion Posted: Tue Jan 13, 2009 6:26 pm Subject: Problems with printf() and getc() |
Attached is the code
#include <18F2431.h>
#use delay (clock=20000000)
#fuses HS,NOLVP,NOWDT,NOPROTECT,NOPUT,BROWNOUT
#use rs232(baud=9600, xmit=PIN_C6, rcv=PIN_C7, parity=N, bits ... |
Topic: Problems with printf() and getc() |
jhasan
Replies: 15
Views: 14709
|
Forum: General CCS C Discussion Posted: Tue Jan 13, 2009 5:11 pm Subject: Problems with printf() and getc() |
I have tried using lower case 'hello'.
I have tried the code you send me.But it still no luck.
I went back and checked getc(), and putchar().It works fine.Also printf("k") also works b ... |
Topic: Problems with printf() and getc() |
jhasan
Replies: 15
Views: 14709
|
Forum: General CCS C Discussion Posted: Tue Jan 13, 2009 3:49 pm Subject: Problems with printf() and getc() |
I just tried according to your suggestions but same problem.This is what I get in siow
lÿelhllollllhhhlelhlleÿllelhoelleeoeolelllehhlÿlllhholÿllhlhehlhllhlllllhheelÿllÁ¬Pþ
óÿÿÿÿÿÿÿ ... |
Topic: Problems with printf() and getc() |
jhasan
Replies: 15
Views: 14709
|
Forum: General CCS C Discussion Posted: Tue Jan 13, 2009 2:48 pm Subject: Problems with printf() and getc() |
1)Attached is my code:
#include <18F2431.h>
#device ADC=10
#include <string.h>
#include <stdio.h>
#include <stdlib.h>
#use delay (clock=20000000)
#fuses HS,NOLVP ... |
Topic: Problems with printf() and getc() |
jhasan
Replies: 15
Views: 14709
|
Forum: General CCS C Discussion Posted: Tue Jan 13, 2009 12:08 pm Subject: Problems with printf() and getc() |
I got the getc() function to work properly. But still am having problem with printf().
I have connected the max232 chip with pic as recommended by some of you. Also, if I use putchar() it works fin ... |
Topic: Problems with printf() and getc() |
jhasan
Replies: 15
Views: 14709
|
Forum: General CCS C Discussion Posted: Thu Jan 08, 2009 10:14 pm Subject: Problems with printf() and getc() |
I am using PIC18F2331 and using basic printf() and getc() functions to communicate between PIC and PC. But I am having problems.
When I use printf() using the code below I get unknown characters in ... |
Topic: PicStart-Plus programmer |
jhasan
Replies: 1
Views: 3361
|
Forum: General CCS C Discussion Posted: Sat Nov 01, 2008 10:49 am Subject: PicStart-Plus programmer |
Hi,
I am trying to program a PIC18F2331 using picstart plus pic programmer. But I am having problems programming the PIC18F2331 using the picstart plus.
But if I use PIC16F84 then the picstart p ... |
Topic: PID Controller |
jhasan
Replies: 1
Views: 4733
|
Forum: General CCS C Discussion Posted: Thu Jul 06, 2006 10:26 pm Subject: PID Controller |
Hi,
I am currently designing a switch mode power converter that will be controlled by PIC16F877A.I am planning to use PI or PID controller for it.I was wondering if anyone knows a good website that ... |
Topic: PIC16F877A |
jhasan
Replies: 3
Views: 6214
|
Forum: General CCS C Discussion Posted: Sun Jun 04, 2006 6:39 pm Subject: PIC16F877A |
I know how to use the picstart plus.I problem is since pic16F877A is an 40 pin microcontroller there some problem arises when you want to program the pic16F877A using picstart plus.
In the MPLAB so ... |
Topic: PIC16F877A |
jhasan
Replies: 3
Views: 6214
|
Forum: General CCS C Discussion Posted: Sat Jun 03, 2006 10:44 pm Subject: PIC16F877A |
I was wondering if anyone can tell me how can I program the pic16F877A using picstart plus(firmware version 4.20.03).
Thanks |
|