Diff: main.cpp

Revision:

0:9f3afc173a43

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/main.cpp	Sun Apr 05 13:51:08 2020 +0000
@@ -0,0 +1,213 @@
+ #include "mbed.h"
+ #include "MFRC522.h"
+ #include "beep.h"
+#include "ds3231.h"
+ 
+ //KL25Z Pins for MFRC522 SPI3 interface
+ #define SPI_MOSI    PB_5
+ #define SPI_MISO    PB_4
+ #define SPI_SCLK    PB_3
+ #define SPI_CS      PA_10
+ 
+ #define address     0xd1
+ // KL25Z Pin for MFRC522 reset
+ #define MF_RESET    PB_1
+ 
+ DigitalOut LedRed   (PC_5);
+ DigitalOut LedGreen (PC_6);
+ DigitalOut led (LED1);
+ 
+ uint16_t cards[2][4] = {
+                        {0x51, 0xf2, 0x05, 0x20},
+                        {0x01, 0x02, 0x03, 0x04}
+                        };
+ 
+ Beep buzzer(PC_8);
+ 
+ Serial     pc(USBTX, USBRX);
+ MFRC522    RfChip   (PB_5, PB_4, PB_3, PB_10, PA_8);
+ 
+ I2C rtc(PB_9, PB_8);
+ 
+ void guttentag();
+ int get_hour();
+ int get_min();
+ int set_time(int hour, int min);
+ 
+ int main(void) {
+   // Set debug UART speed
+   pc.baud(115200);
+ 
+   // Init. RC522 Chip
+   RfChip.PCD_Init();
+   
+   rtc.frequency(100000);
+   
+   //set_time(0x23,0x58);
+   int joez = 0;
+   while (1) {
+     
+ 
+     // Look for new cards
+     if ( ! RfChip.PICC_IsNewCardPresent())
+     {
+       
+       wait_ms(100);
+       led = !led;
+       LedGreen = LedRed;
+       LedRed = !LedRed;
+       
+       
+       //pc.printf("%d:%d\n", get_hour(), get_min());
+       continue;
+     }
+ 
+     LedRed   = 0;
+ 
+     // Select one of the cards
+     if ( ! RfChip.PICC_ReadCardSerial())
+     {
+       wait_ms(500);
+       
+       
+       
+       continue;
+     }
+    //wait(0.5);
+    LedRed   = 0;
+     LedGreen = 1;
+     buzzer.beep(5000,0.2);
+ 
+     // Print Card UID
+     pc.printf("Card UID: ");
+     for (uint8_t i = 0; i < RfChip.uid.size; i++)
+     {
+       pc.printf(" %X  ", RfChip.uid.uidByte[i]);
+       if (RfChip.uid.uidByte[i] == cards[0][i]) joez++;
+     }
+     
+     pc.printf("\n\r");
+    
+    if(joez == 4) {
+        wait(0.8);
+        buzzer.beep(4900, 3);
+        pc.printf("\nbelephet\n");
+        wait(3);
+    }
+    
+    
+    else{
+        LedGreen= 0;
+        for(int i = 0; i < 6; i++){
+            buzzer.beep(5000, 0.5);
+            LedRed = !LedRed;
+            wait(1);
+        }
+    }
+    joez = 0;
+    LedRed = 1;
+    
+    char buf[3];    
+        char data[10];
+        buf[0] = 0x0; 
+         rtc.write(address, buf, 1, true);
+        rtc.read(address, data, 8, false);         
+        for ( int i = 0; i < 8; i++){
+            pc.printf("     %02X", data[i]);
+        }
+     
+     //wait_ms(3000);
+     
+   }
+ }
+ 
+ void guttentag(){
+     
+}
+int set_time(int hour, int min){
+    char buf[3];
+    buf[0] = 0x01;
+    buf[1] = min;
+    rtc.write(0xd0, buf, 2, false);
+    buf[0] = 0x02;
+    buf[1] = hour;
+    rtc.write(0xd0, buf, 2, false);
+    
+    return 1;
+}
+int get_min()
+{
+    char buf[3];    
+    char data[10];
+    int min_val; 
+    int min_hex; 
+    buf[0] = 0x0;    
+
+    rtc.write(address, buf, 1, true);
+    rtc.read(address, data, 8, false);         
+    min_hex = data[1];
+
+    //-------------------------------------
+    //----transfer hexa data to decimal----
+    //-------------------------------------
+    
+    if ( min_hex >= 0x00 & min_hex < 0x10)
+    {
+        min_val = min_hex;
+    }
+    if ( min_hex >= 0x10 & min_hex < 0x20)
+    {
+        min_val = min_hex - 6;
+    }
+    if ( min_hex >=0x20 & min_hex <= 0x29)
+    {
+        min_val = min_hex - 12;
+    }
+    if ( min_hex >=0x30 & min_hex <= 0x39)
+    {
+        min_val = min_hex - 18;
+    }
+    if ( min_hex >=0x40 & min_hex <= 0x49)
+    {
+        min_val = min_hex - 24;
+    }
+    if ( min_hex >=0x50  & min_hex <= 0x59)
+    {
+        min_val = min_hex - 30;
+    }
+      
+    return min_val;
+}
+
+int get_hour()
+{
+    
+    char buf[3];    
+    char data[10];
+    int hour_val; 
+    int hour_hex; 
+    buf[0] = 0x00;    
+
+    rtc.write(address, buf, 1, true);
+    rtc.read(address, data, 8, false);         
+    hour_hex = data[2];
+
+    //-------------------------------------
+    //----transfer hexa data to decimal----
+    //-------------------------------------
+    
+    if ( hour_hex >= 0x00 & hour_hex < 0x10)
+    {
+        hour_val = hour_hex;
+    }
+    if ( hour_hex >= 0x10 & hour_hex < 0x20)
+    {
+        hour_val = hour_hex - 6;
+    }
+    if ( hour_hex >=0x20 & hour_hex <= 0x24)
+    {
+        hour_val = hour_hex - 12;
+    }
+    
+    return hour_val;
+}
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