E2PRO2 / Mbed OS double-rfid-demo

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API Documentation at this revision

Revision 11:6e862985089f, committed 2019-05-03

Comitter:
janusboandersen
Date:
Fri May 03 13:53:27 2019 +0000
Parent:
10:0a444736aeb8
Commit message:
Add mechanism for handling latches to room power drivers (set, rst).

Changed in this revision

main.cpp Show annotated file Show diff for this revision Revisions of this file 
--- a/main.cpp	Fri May 03 12:52:41 2019 +0000
+++ b/main.cpp	Fri May 03 13:53:27 2019 +0000
@@ -42,7 +42,7 @@
   RFID IRQ  = pin5   ->                   -------- OPEN --------
   ======================= RFID 2 ======================================
   RFID SDA  = pin1   ->   SPI_CS          PA_12=D2     PTD5     
-  RFID RST  = pin7   ->                   PB_1=D6      PTC9 <- might not be good
+  RFID RST  = pin7   ->                   PB_1=D6      PTC9
   RFID IRQ  = pin5   ->                   -------- OPEN --------
   =====================================================================
 
@@ -122,6 +122,15 @@
 
 DigitalOut LedGreen(LED1); //Blinks when a card is read
 
+//Define the latches
+DigitalOut r0_set(FRONTDOOR_SET);
+DigitalOut r0_rst(FRONTDOOR_RST);
+DigitalOut r1_set(ROOM1DOOR_SET);
+DigitalOut r1_rst(ROOM1DOOR_RST);
+
+bool r0_state;
+bool r1_state;
+
 //Serial connection to terminal for output
 Serial pc(SERIAL_TX, SERIAL_RX);
 
@@ -136,6 +145,20 @@
     rfid1.PCD_Init();
     rfid2.PCD_Init();
 
+    printf("Resetting latches...\n\r");
+    r0_set = 0;
+    r0_rst = 1;
+    r0_state = false;
+    r1_set = 0;
+    r1_rst = 1;
+    r1_state = false;
+    wait_ms(500);
+    r0_rst = 0;
+    r1_rst = 0;
+    printf("Done.\n\r");
+    
+    printf("Starting RFID monitoring...\n\r");
+
     while (true) {
         LedGreen = 1;
 
@@ -149,7 +172,16 @@
                     printf(" %02X", rfid1.uid.uidByte[i]);
                 }
                 printf("\n\r");
-                wait_ms(200);
+                
+                //pulse room 0 (front door) latch
+                r0_state = !r0_state;
+                r0_set = r0_state;
+                r0_rst = !r0_state;
+                wait_ms(100);
+                r0_set = 0;
+                r0_rst = 0;
+                
+                wait_ms(500);
             }
         } //end rfid1
        
@@ -164,6 +196,15 @@
                     printf(" %02X", rfid2.uid.uidByte[i]);
                 }
                 printf("\n\r");
+                
+                //pulse room 1 (front door) latch
+                r1_state = !r1_state;
+                r1_set = r1_state;
+                r1_rst = !r1_state;
+                wait_ms(100);
+                r1_set = 0;
+                r1_rst = 0;
+                
                 wait_ms(200);
             }
         } //end rfid2