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I would like to ask if the module MRF24J40MD can be used for a card reader modules.

Its very simple to read a tag via this card reader.

The problem which i don't know is how to write to the tag (from card reader).

None who work with this card reader ?

I would like to use an ID-20WR card reader.
http://www.id-innovations.com/httpdocs/Modules%28read&write%29.html
Is anyone who have experience on this card reader ?
Is any library available for ...

I am trying to create a state machine. (i would like to learn how a state machine is implemeted at pic microcntroller).

I had adc as input and LED as output and state A and B. The state machine is ...

something like this it will work ? :

enum state{state_A=0,state_B}currentState;

float read_analog_indput(void)
{
float value;
set_adc_channel(0);
value=read_ ...

something like this it will work ? :

enum state{state_A=0,state_B}currentState;

float read_analog_indput(void)
{
float value;
set_adc_channel(0);
value=read_ ...

I am looking for a state machine example.

Is it possible to implement a state machine on a pic microcontroller?

If yes can i find any example ?

I have already check this and the problem is comming from the parser.

BUT i don't understand why the parser is faulty.

anyone who can help me to solve this problem ?

When i said "... I can't see anything on the pc screen .... "

i mean that i can't see the data from the GPS.

If i put a fprintf(PC,"DATA:%s",GPSData);

in the while (with o ...

I used this code :

while(1)
{

if (GPSDataReady)
{
GPRMC_decode(GPSData, &MyGPRMCInfo);
if (MyGPRMCInfo.Valid == 'A')
{

fp ...

Finally i success to parse the GPS output. I used the code below :

I put the a
//parser
#include <string.h>
#include <stdlib.h>

////////////////////////////////////////
typede ...

At the line :

sscanf(pch,"%2d%2d%2d",&DAY,&MON,&YEAR);

int *DAY,*MON,*YEAR;
(i also try to define as int DAY[10],MON[10],YEAR[10]; )

i get the error and war ...

Any ideas how to solve the problem?