Revision 0:45fd5f651e03, committed 2017-07-04

Comitter:

walterlma

Date:

Tue Jul 04 16:26:35 2017 +0000

Commit message:

final

Changed in this revision

diff -r 000000000000 -r 45fd5f651e03 MFRC522.lib
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/MFRC522.lib	Tue Jul 04 16:26:35 2017 +0000
@@ -0,0 +1,1 @@
+http://developer.mbed.org/users/AtomX/code/MFRC522/#63d729186747

diff -r 000000000000 -r 45fd5f651e03 eeprom.lib
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/eeprom.lib	Tue Jul 04 16:26:35 2017 +0000
@@ -0,0 +1,1 @@
+https://developer.mbed.org/users/walterlma/code/eeprom/#5791c7513043

diff -r 000000000000 -r 45fd5f651e03 main.cpp
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/main.cpp	Tue Jul 04 16:26:35 2017 +0000
@@ -0,0 +1,222 @@
+#include "mbed.h"
+#include "eeprom.h"
+#include "MFRC522.h"
+ 
+//KL25Z Pins for MFRC522 SPI interface
+ #define SPI_MOSI    PTC6
+ #define SPI_MISO    PTC7
+ #define SPI_SCLK    PTC5
+ #define SPI_CS      PTC4
+// KL25Z Pin for MFRC522 reset
+ #define MF_RESET    PTC3
+  
+//Pinos EEPROM
+#define SDA PTC2            // I2C SDA pin
+#define SCL PTC1           // I2C SCL pin 
+#define EEPROM_CONTROL_BYTE 0xA0
+#define I2C_READ 0x01
+
+#define OFF 1
+#define ON 0
+
+ DigitalOut LedRed   (LED_RED);
+ DigitalOut LedGreen (LED_GREEN); 
+ 
+EEPROM i2c(SDA, SCL, 0, EEPROM::T24C16);      // T24C01 should work for the 24AA02E48 eeprom
+MFRC522    RfChip   (SPI_MOSI, SPI_MISO, SPI_SCLK, SPI_CS, MF_RESET); 
+ 
+//I2C i2c(PTE0, PTE1); // sda, scl on KL25Z
+Serial pc(USBTX, USBRX); // tx, rx 
+ 
+void escreve_mem(int8_t dado, uint8_t i){
+    int8_t buf, elementos;
+    
+    LedGreen = 0;
+    i2c.read(0, elementos); wait_ms(1);
+    buf=dado;
+    i2c.write(5*elementos+1+i, buf); wait_ms(1);//escreve na memoria    
+}
+
+/*char read_mem(uint8_t elemento, uint8_t i){
+    char x;
+    uint8_t buf, elementos;
+    
+    i2c.read(0, elementos); wait_ms(1);
+    if (elementos < elemento){
+        printf("não há numero de elementos na memória");
+        return=-1;
+    }else{
+        i2c.read(5*(elemento-1)+1+i, buf); wait_ms(1);
+        x=buf;
+        return x;
+    }
+}*/
+
+/*int varre_mem( uint8_t *s){
+    int8_t elementos=0;
+    uint8_t i = 0,buf;
+    uint8_t *compara;
+    int k;
+    
+    i2c.read(0, elementos); wait_ms(1);
+    for (k=0;k==elementos;k++){ 
+        for (i=0; i < RfChip.uid.size; i++){
+            i2c.read(5*(elementos-1)+1+i, buf); wait_ms(1);
+            compara[i]=buf;
+        }
+        if (compara==s) return 0; //retorna zero se encontrar id ja registrado
+    }
+    
+    return 1; //retorna 1 se nao encontrar id igual
+}*/
+ 
+int main(void) {
+    int encontrou=0;
+    int t,jafalou=0,flag_registro=1, flag_identificacao=0, senha;
+    char idcartao[4],compara[4];//vetor que grava id do cartao
+    char x;
+    int8_t buf=0, elementos,elemento,buf1;
+    uint8_t i = 0,k;
+
+    pc.baud(9600);
+    
+    // Init. RC522 Chip
+    RfChip.PCD_Init();
+    
+    i2c.write(0, 0); wait_ms(1);//escreve 0 elementos na memoria
+    
+    while (true){     
+     i2c.read(0, elementos); wait_ms(1);
+    
+     if(elementos==0 && jafalou==0){
+        printf("Nenhum cartao registrado!\n\r");
+        printf("Favor aproximar os cartoes a serem registrados\n\r");
+        jafalou=1;
+     }
+     inicio:     
+     LedGreen = 1;
+     // Look for new cards
+     if ( ! RfChip.PICC_IsNewCardPresent())
+     {
+       wait_ms(500);
+       continue; 
+     }
+     
+     // Select one of the cards
+     if ( ! RfChip.PICC_ReadCardSerial())
+     {
+       wait_ms(500);
+       continue; 
+     }
+     if(flag_registro==1){
+     //verifica se cartao ja foi registrado
+     if (elementos != 0){         
+         for (i=0; i < RfChip.uid.size; i++){            
+            buf=RfChip.uid.uidByte[i];
+            idcartao[i]=buf;
+         }
+         i2c.read(0, elementos); wait_ms(1);
+         for (k=0;k<elementos;k++){ 
+            for (i=0; i < RfChip.uid.size; i++){
+                i2c.read(5*(elementos-1)+1+i, buf); wait_ms(1);
+                compara[i]=buf;
+            }
+            if ((compara[0] == idcartao[0]) &&
+                (compara[1] == idcartao[1]) &&
+                (compara[2] == idcartao[2]) &&
+                (compara[3] == idcartao[3])){
+                printf("cartao ja registrado\n\r");
+                goto inicio;
+            }
+        }
+     }
+          
+     //escrita na memoria
+     printf("\n\r");
+     //if(flag_registro==1){
+        for (i=0; i < RfChip.uid.size; i++){ 
+            escreve_mem(RfChip.uid.uidByte[i], i);
+        }
+        elementos++;
+        i2c.write(0, elementos); wait_ms(1);
+        i2c.read(0, elementos); wait_ms(1);
+        printf("\n\r");
+        printf("elementos: %d\n\r", elementos);
+     //}
+     //le o que esta na memoria
+     printf("memoria: ");
+     //elemento=2;
+     //if (elemento<elementos){
+     //     printf("nao exite esse numero de elementos na memoria");
+     //}else {
+        for (i=0; i < RfChip.uid.size; i++){
+            i2c.read(5*(elementos-1)+1+i, buf); wait_ms(1);
+            x=buf;
+            printf(" %d", x);     
+        }  
+     //}
+     
+     /*for (i=0; i < RfChip.uid.size; i++){
+        idcartao[i]=read_mem(elemento, i);
+     }
+     for (i=0;i<4;i++){
+         printf(" %d", idcartao[i]);
+     }*/
+     printf("\n\r");
+     printf("\n\r");
+     wait_ms(200);
+     
+     printf("Senha:");
+     scanf("%d", &senha);
+     printf("senha %d\n\r", senha);
+     buf=senha;
+     i2c.write(5*elementos, buf); wait_ms(1);
+     
+     printf("Deseja continuar a registrar cartoes?\n\r");
+     printf("1:Sim 2:Nao\n\r");
+     scanf("%d", &t); //le botao se 1 goto comeco e anda pos na memoria se 2 continua 
+     printf("\n\r");
+     if (t==1)goto inicio;
+     if (t==2){
+         printf("Fim registros!\n\r");
+         flag_registro=0;
+     }
+     }
+     else{
+         printf("Passe cartao para obter acesso\n\r");
+         for (i=0; i < RfChip.uid.size; i++){            
+            buf=RfChip.uid.uidByte[i];
+            idcartao[i]=buf;
+         }
+         i2c.read(0, elementos); wait_ms(1);
+         for (k=0;k<elementos;k++){ 
+            for (i=0; i < RfChip.uid.size; i++){
+                i2c.read(5*(elementos-1)+1+i, buf); wait_ms(1);
+                compara[i]=buf;
+            }
+            if ((compara[0] == idcartao[0]) &&
+                (compara[1] == idcartao[1]) &&
+                (compara[2] == idcartao[2]) &&
+                (compara[3] == idcartao[3])){
+                printf("cartao encontrado!\n\r");
+                printf("Digite a senha\n\r");
+                scanf("%d", &senha);
+                printf("senha %d\n\r", senha);
+                buf1=senha;
+                encontrou=1;
+            }
+        }
+        if(encontrou==1){
+        encontrou=0;
+        i2c.read(5*elementos, buf); wait_ms(1);
+        if (buf1==buf){
+            printf("acesso permitido\n\r"); 
+            goto inicio;
+        }else {
+            printf("acesso negado\n\r");
+            goto inicio;
+        }
+        }
+     }
+   }                   
+}
\ No newline at end of file

diff -r 000000000000 -r 45fd5f651e03 mbed.bld
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/mbed.bld	Tue Jul 04 16:26:35 2017 +0000
@@ -0,0 +1,1 @@
+https://mbed.org/users/mbed_official/code/mbed/builds/64910690c574
\ No newline at end of file