Search found 21 matches

Hi all
I have to write some information on sdcard ...for persistent storage to be reffered and interpreted later.

Now I read that .SDCARD works in 2 modes sd mode and spi mode ...
which have dif ...

Hi all
I have pic18F4550 development board on which on uart port I have plugged in a bluetooth hardware.
http://www.rhydolabz.com/index.php?main_page=product_info&products_id=479

I want to ...

Source Files
try_usb.c -----------> this program given by you
Header Files
usb_cdc.h

Now
i do project build all in MP LAB
and error comes is

*** Error 23 "C:\Prog ...

we copied pasted your code and in header files included
18F4550.h
usb_cdc.h
nothing else
Now it gives familiar error
Cannot define Device so far in the code --- error points to 18f4550 line #DE ...

Hi
I have resolved that problem of header file inclusion in proper sequence.
But now the other problem is

When I build all files in project -- it says BUILD FAILED. Error is
Undefined identif ...

#include "18F4550.h"

#fuses HSPLL, NOWDT, NOPROTECT, NOLVP, NODEBUG, USBDIV, PLL5, CPUDIV1, VREGEN

#use delay(clock=48000000)

#include <usb.c>
void main()
{
int8 n ...

I have pic development board

http://www.rhydolabz.com/index.php?main_page=product_info&cPath=99_101&products_id=297
in which I give power to board through usb port from PC.

Now I want ...

Hi
I have rhydolabs 18F4550 Development board
This one
http://www.rhydolabz.com/index.php?main_page=product_info&cPath=99_101&products_id=297

It has RJ45 port mentioned in data sheet as ...

Look closely at the CCS 2404.c, and the eeprom data sheet.
You will see some critical differences between your code and CCS.
Look at this figure in the eeprom data sheet:
Quote:
FIGURE 8-2: RANDOM ...

Hi
Thanks a lot for ur comments they were really helpful.

In most PICs, internal eeprom has a different command protocol than
external eeprom. It's not the same interface. The CCS functions are ...

Hi I have tested this program for internal eeprom and its working fine.

void main()
{
int8 data;
init_lcd();
write_eeprom(1,'A');
data=read_eeprom( ...

while(ack=i2c_write(0xA2));

Hi i have added the acknowledgment check as shown. Its not coming out of while loop. I have read the data sheet completely and followed it step by step. What can be t ...

YESSSS i saw .LST file
IT automatically adds up this line.
which i guess is creating 48 MHz

#fuses HSPLL, NOWDT, PLL2, CPUDIV2, USBDIV, NOXINST

BUT NOW one other doubt...

On Board 20 MHz ...

My board
http://www.rhydolabz.com/index.php?main_page=product_info&cPath=99_101&products_id=297
says

On Board 20 MHz Crystal Oscillator.
Supports Up to 48 MHz Operation.

#include & ...

Hi all

I am a newbie just learning to communicate to ext eeprom.

my spec is
PIC18F4550 ...EEPROM is 24C04 is 4K EEPROM ...I2C interfacing .....

#include<18F4550.h>
#use delay(cloc ...