Search found 23 matches

main(){
char cnt, col;

set_tris_b(0); /* set port_b as outputs */
set_tris_a(0); /* set port_a as output */

port_b = 0; /* ZERO port_a & port_b */
port_a = ...

hai to all

what are spi extenders? what is the use of it?

is spi communication is bi-directional? if yes when i connect multiple slaves with master if individual ...

Thank you very much. When do we use SPI and when do we use I2c ? What are the basic differences ?

hai to all

1. is it possible to communicate more than 128 devices through spi? if yes what is the limit of peripheral devices to be interfaced through spi?

2. is it possible to intercommunicat ...

I am trying the same project for past three months.

http://www.ccsinfo.com/forum/viewtopic.php?p=140016#140016

You can see my code in the above mentioned link. Kindly see the code at the bottom. ...

Sir I go through both of the sd card example files. I can't understand the coding what they are doing. Secondly how to implement this? Either I have to include the same program by cut copy and paste o ...

#if defined(__PCM__)
#if defined(__PCH__)
#endif
#endif

#include <stdio.h>
#include <string.h>
#include <mmcsd.c>
#include <input.c>
#fuses XT,NOW ...

I want to know how to insert circuit diagrams in this forum.

kindly help me

with regards
k.gopalakrishnan

i want to know how to insert circit diagrams in this forum.

kindly help me

with regards
k.gopalakrishnan

#if defined(__PCM__)
#if defined(__PCH__)
#endif
#endif

#include <stdio.h>
#include <string.h>
#include <mmcsd.c>
#include <input.c>
#fuses XT,NOW ...

hai to all

I entirely changed my program. As far as my hardware is concern
I am using two transistors for level shifting purposes one from SDO to MOSI of sd card where as other for MISO ...

hai thanks for your reply

I go through the driver files. I tried to understand it. It is too difficult. How you people make understanding it? Is there any article or techinical forum? Kindly help ...

hai thank you for your reply.

Kindly clarify me my understanding is right.

When command 0 is sent through spi_write() function for this sd card will response it as 00. Is it so. I read this re ...

thank you arun for your valuable sugession i decided to change my ic. you specified to replace 18f4620 instead of 16f877a. where as 18f4620 is not availabel in near by where as 18f4520 is available sh ...

hai to all

We are trying to interface micro sd card with 16f877A, using compiler version of 3.098 ccs c. We tried a simple code by sending command 0 and command 1 through spi of the sd ca ...