Hi Carlos,
I didn't get why you sent me this message ? I don't see the link with my question,
Best regards,
Alexis Capart.
This is my code, can you tell me how to handle the GPIOS :
#include <stdio.h>
#include <stdlib.h>
#include "board.h"
#include "peripherals.h"
#include "pin_mux.h"
#include "clock_config.h"
#include "LPC54608.h"
#include "fsl_gpio.h"
#include "fsl_debug_console.h"
/* TODO: insert other include files here. */
#define DATA0 0U //input direction
#define DATA1 0U
#define BITS_MAX 100
#define WIEGAND_PULSE 300000
static unsigned char databits[32]; // nombre max de bits
static unsigned char bitCount; // Bits acquis
static unsigned int flag; // Niveau logique bas quand la data est acquise entierement
static unsigned int wiegand_count; // Decrement jusqu'a ce qu'il n,yait plus de bits manquant
static unsigned long facilityCode = 0;
static unsigned long cardCode = 0;
uint32_t CODE[BITS_MAX];
/* TODO: insert other definitions and declarations here. */
void waitForInterrupt ()
{
...
}
void data0(void)
{
for(;;)
{
data0=GPIO_ReadPinInput(GPIO,20,9);
if(data0 == 0) // interrupt when falling edge, how i do that ?
{
bitCount++;
flag = 0;
wiegand_count = WIEGAND_PULSE;
}
}
}
void data1(void)
{
for(;;)
{
data1=GPIO_ReadPinInput(GPIO,22,11);
{
databits[(bitCount)]=1;
bitCount++;
flag = 0;
wiegand_count = WIEGAND_PULSE;
}
}
}
void Affichage_code()
{
printf("%d bits recupere", bitCount);
printf(" Facility Code : %d\n", facilityCode);
printf("TagID: %d\n\r", cardCode);
return;
}
/*
*/
int main(void) {
/* Init board hardware. */
BOARD_InitBootPins();
BOARD_InitBootClocks();
BOARD_InitBootPeripherals();
/* Init FSL debug console. */
BOARD_InitDebugConsole();
PRINTF("Acquisition de la trame\n");
//uint32_t = result;
while(1) {
data0();
data1();
if(bitCount > 0 && flag)
{
if(bitCount == 32)
{
unsigned char i;
for (i=1; i<31;i++) // trame entiere
{
cardCode <<=1;
cardCode |= databits[i];
}
Affichage_code();
for (i=1;i<9;i++) // facility code
{
facilityCode <<=1;
facilityCode |= databits[i];
}
Affichage_code(); // UID
for (i=9;i<31;i++)
{
cardCode <<=1;
cardCode |= databits[i];
}
Affichage_code();
bitCount=0;
facilityCode=0;
cardCode=0;
for(i=0;i<32;i++)
{
databits[i]=0;
}
}
}
}
return 0 ;
}
