Diff: main.cpp

Revision:

0:26a48e078dfb

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/main.cpp	Wed Feb 23 19:15:45 2022 +0000
@@ -0,0 +1,69 @@
+/**
+* MFRC522 example
+*/*
+
+ #include "mbed.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
+ // KL25Z Pins for Debug UART port
+ #define UART_RX     PTA1
+ #define UART_TX     PTA2
+
+ DigitalOut LedRed   (LED_RED);
+ DigitalOut LedGreen (LED_GREEN);
+
+ Serial     DebugUART(UART_TX, UART_RX);
+ MFRC522    RfChip   (SPI_MOSI, SPI_MISO, SPI_SCLK, SPI_CS, MF_RESET);
+
+ int main(void)  {
+   // Set debug UART speed
+   DebugUART.baud(115200);
+
+   // Init. RC522 Chip
+   RfChip.PCD_Init();
+
+   while (true) {
+     LedRed   = 1;
+     LedGreen = 1;
+
+     // Look for new cards
+     if ( ! RfChip.PICC_IsNewCardPresent())
+     {
+       wait_ms(500);
+       continue;
+     }
+
+     LedRed   = 0;
+
+     // Select one of the cards
+     if ( ! RfChip.PICC_ReadCardSerial())
+     {
+       wait_ms(500);
+       continue;
+     }
+
+     LedRed   = 1;
+     LedGreen = 0;
+
+     // Print Card UID
+     printf("Card UID: ");
+     for (uint8_t i = 0; i < RfChip.uid.size; i++)
+     {
+       printf(" %X02", RfChip.uid.uidByte[i]);
+     }
+     printf("\n\r");
+
+     // Print Card type
+     uint8_t piccType = RfChip.PICC_GetType(RfChip.uid.sak);
+     printf("PICC Type: %s \n\r", RfChip.PICC_GetTypeName(piccType));
+     wait_ms(1000);
+   }
+ }
+