Diff: main.cpp

Revision:

0:7321514266d7

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/main.cpp	Thu Mar 15 08:50:12 2018 +0000
@@ -0,0 +1,73 @@
+//Test of cheap 13.56 Mhz RFID-RC522 module from eBay
+//This code is based on Martin Olejar's MFRC522 library. Minimal changes
+//Adapted for Nucleo STM32 F401RE. Should work on other Nucleos too
+
+//Connect as follows:
+//RFID pins        ->  STM32F429
+//----------------------------------------
+//RFID IRQ=pin5    ->   Not used. Leave open
+//RFID MISO=pin4   ->   SPI_MISO  =PA_6=P42
+//RFID MOSI=pin3   ->   SPI_MOSI  =PA_7=P43
+//RFID SCK=pin2    ->   SPI_SCK   =PA_5=P41
+//RFID SDA=pin1    ->   SPI_SDA  =PA_4=P40
+//RFID RST=pin7    ->            =NRST=P25
+//3.3V and Gnd to the respective pins                              
+                              
+#include "mbed.h"
+#include "MFRC522.h"
+#include "LCD_DISCO_F429ZI.h"
+
+LCD_DISCO_F429ZI lcd;
+
+// Nucleo Pin for MFRC522 reset (pick another D pin if you need D8)
+//#define MF_RESET    p25
+
+
+DigitalOut led_green(LED1);
+
+//Serial connection to PC for output
+//Serial pc(SERIAL_TX, SERIAL_RX);//???
+
+//MFRC522    RfChip   (SPI_MOSI, SPI_MISO, SPI_SCK, SPI_CS, PA_0);
+
+int main(void) {
+      
+    lcd.Clear(LCD_COLOR_WHITE);
+    lcd.SetTextColor(LCD_COLOR_BLACK);  
+    lcd.DisplayStringAt(0, LINE(2), (uint8_t *)"starting...", CENTER_MODE);
+
+      
+    Init. RC522 Chip
+    RfChip.PCD_Init();
+
+    while (true) {
+        led_green = 1;//ok
+    
+        // 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;
+        }
+
+        led_green = 0;//ok
+
+        // Print Card UID
+        pc.printf("Card UID: ");
+        for (uint8_t i = 0; i < RfChip.uid.size; i++){
+            pc.printf(" %X02", RfChip.uid.uidByte[i]);
+        }
+        //pc.printf("\n\r");
+        //lcd.DisplayStringAt(0, LINE(2), (uint8_t *)"\n\r", CENTER_MODE);
+
+    // Print Card type
+    uint8_t piccType = RfChip.PICC_GetType(RfChip.uid.sak);
+    pc.printf("PICC Type: %s \n\r", RfChip.PICC_GetTypeName(piccType));
+    wait_ms(1000);
+  }
+}
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