Author |
Message |
Topic: keypad help |
sohailkhanonline
Replies: 2
Views: 3835
|
Forum: General CCS C Discussion Posted: Wed May 21, 2008 10:49 pm Subject: keypad help |
Hi i have read post of all the related links
but couldnt find the solution.
Someone says that place pull ups on row pins. Some say on column pins but i need code for pull down column pins
my keypa ... |
Topic: TCP Socket question |
sohailkhanonline
Replies: 5
Views: 6324
|
Forum: General CCS C Discussion Posted: Wed May 21, 2008 6:48 am Subject: TCP Socket question |
hi
in timeout also consider the time after which your connection is terminated by other side. Make this your limiting factor of socket time out as you are not going to distributed system so no questi ... |
Topic: keypad help |
sohailkhanonline
Replies: 2
Views: 3835
|
Forum: General CCS C Discussion Posted: Tue May 20, 2008 11:55 pm Subject: keypad help |
hi
i am using kbd.c for a 3X4 keypad. And it is working when i pull up the row pins. But i can only pull up column pins. So what modification in kbd.c I need to get it working with pulled up column p ... |
Topic: bootloader help |
sohailkhanonline
Replies: 1
Views: 3236
|
Forum: General CCS C Discussion Posted: Fri May 16, 2008 6:57 am Subject: bootloader help |
problem solved, I was using same UART for other application
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Topic: bootloader help |
sohailkhanonline
Replies: 1
Views: 3236
|
Forum: General CCS C Discussion Posted: Fri May 16, 2008 1:23 am Subject: bootloader help |
hi
I am using tiny bootloader for my application i have followed all the steps of the post
The device i am using is 18F4620 with clock of 20MHz
and the hex file in the directory \picsource\18f
t ... |
Topic: Software Serial Port - max speed |
sohailkhanonline
Replies: 11
Views: 9254
|
Forum: General CCS C Discussion Posted: Wed May 14, 2008 5:53 am Subject: Software Serial Port - max speed |
check the data-sheet of your micro-controller because i think that 9600 is the maximum baud you can achieve using 20Mhz clock. There is a formulae for maximum baud rate dependent on frequency.
I thin ... |
Topic: SPI and UART |
sohailkhanonline
Replies: 1
Views: 4271
|
Forum: General CCS C Discussion Posted: Sun May 11, 2008 10:51 pm Subject: SPI and UART |
Hi
My question is this that what is difference between SPI and UART.
In what applications we will use SPI and where we will use UART from design point of view.
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Topic: Large array problem |
sohailkhanonline
Replies: 2
Views: 3520
|
Forum: General CCS C Discussion Posted: Mon Apr 28, 2008 5:50 am Subject: SOLVED |
when i declare the index variable as
static unsigned int16 index;
the index was having an overflow.
everything worked fine.. |
Topic: Large array problem |
sohailkhanonline
Replies: 2
Views: 3520
|
Forum: General CCS C Discussion Posted: Mon Apr 28, 2008 3:05 am Subject: Large array problem |
Hi following is my hardware info
#include <18F4620.h>
#use delay(clock=20000000)
#fuses HS, NOWDT, NOLVP, NODEBUG
#use rs232(baud=9600,xmit=PIN_C6,rcv=PIN_C7,bits=8)
the ... |
Topic: HTML check |
sohailkhanonline
Replies: 0
Views: 2643
|
Forum: General CCS C Discussion Posted: Thu Apr 24, 2008 12:48 am Subject: HTML check |
Hi i have limited knowledge about html. My question is.
Is there any way by which i can write the HTML request to server and when i send it the response is displayed. This is at pure hardware level.
... |
Topic: HS PLL and RS232 |
sohailkhanonline
Replies: 10
Views: 7885
|
Forum: General CCS C Discussion Posted: Wed Apr 23, 2008 10:11 pm Subject: HS PLL and RS232 |
Thanks
I understand..
May be the quality of crystal might be the reason
Any ways Thanks to PCM and all fellows.
|
Topic: HS PLL and RS232 |
sohailkhanonline
Replies: 10
Views: 7885
|
Forum: General CCS C Discussion Posted: Wed Apr 23, 2008 2:02 am Subject: HS PLL and RS232 |
Its not working. Everything is working except rs232. |
Topic: HS PLL and RS232 |
sohailkhanonline
Replies: 10
Views: 7885
|
Forum: General CCS C Discussion Posted: Wed Apr 23, 2008 12:09 am Subject: HS PLL and RS232 |
Thank you PCM
TCP/IP stack file ccstcpip.h
contains the code (i am using it)
#if STACK_USE_CCS_PICENS
#include <18F4620.h>
#use delay(clock=40000000)
#fuses H4, NOWDT, NOLVP, NO ... |
Topic: HS PLL and RS232 |
sohailkhanonline
Replies: 10
Views: 7885
|
Forum: General CCS C Discussion Posted: Tue Apr 22, 2008 11:57 pm Subject: HS PLL and RS232 |
My application is configured at 40Mhz H4 configuration, above code is sample for the rs232 problem. Is there any way to fix the rs232 communication keeping same settings (40Mhz). |
Topic: PIC & PC - Request to send |
sohailkhanonline
Replies: 6
Views: 5647
|
Forum: General CCS C Discussion Posted: Tue Apr 22, 2008 11:52 pm Subject: PIC & PC - Request to send |
use
read_program_eeprom(address);
keep track of pos variable and use it to retrieve data from eeprom then send the result to PC via rs232 using printf function
look both
read_program_eeprom(addre ... |
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