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https://github.com/miguelbalboa/rfid.git
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upd example multireader
- comments - reader info after init - serial speed
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@ -20,8 +20,8 @@
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* Signal Pin Pin Pin Pin Pin Pin
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* -----------------------------------------------------------------------------------------
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* RST/Reset RST 9 5 D9 RESET/ICSP-5 RST
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* SPI SS 1 SDA(SS) 10 53 D10 10 10
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* SPI SS 2 SDA(SS) 2 53 D10 10 10
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* SPI SS 1 SDA(SS) ** custom, take a unused pin, only HIGH/LOW required **
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* SPI SS 2 SDA(SS) ** custom, take a unused pin, only HIGH/LOW required **
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* SPI MOSI MOSI 11 / ICSP-4 51 D11 ICSP-4 16
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* SPI MISO MISO 12 / ICSP-1 50 D12 ICSP-1 14
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* SPI SCK SCK 13 / ICSP-3 52 D13 ICSP-3 15
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@ -31,9 +31,9 @@
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#include <SPI.h>
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#include <MFRC522.h>
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#define RST_PIN 10 // Configurable, see typical pin layout above
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#define SS_1_PIN 5 // Configurable, see typical pin layout above
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#define SS_2_PIN 3 // Configurable, see typical pin layout above
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#define RST_PIN 9 // Configurable, see typical pin layout above
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#define SS_1_PIN 10 // Configurable, take a unused pin, only HIGH/LOW required, must be diffrent to SS 2
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#define SS_2_PIN 8 // Configurable, take a unused pin, only HIGH/LOW required, must be diffrent to SS 1
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#define NR_OF_READERS 2
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@ -46,13 +46,17 @@ MFRC522 mfrc522[NR_OF_READERS]; // Create MFRC522 instance.
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*/
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void setup() {
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Serial.begin(115200); // Initialize serial communications with the PC
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Serial.begin(9600); // Initialize serial communications with the PC
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while (!Serial); // Do nothing if no serial port is opened (added for Arduinos based on ATMEGA32U4)
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SPI.begin(); // Init SPI bus
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for (uint8_t reader = 0; reader < NR_OF_READERS; reader++) {
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mfrc522[reader].PCD_Init(ssPins[reader], RST_PIN); // Init each MFRC522 card
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Serial.print(F("Reader "));
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Serial.print(reader);
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Serial.print(F(": "));
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mfrc522[reader].PCD_DumpVersionToSerial();
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}
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}
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@ -61,14 +65,14 @@ void setup() {
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*/
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void loop() {
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for (uint8_t reader = 0; reader < NR_OF_READERS; reader++) {
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for (uint8_t reader = 0; reader < NR_OF_READERS; reader++) {
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// Look for new cards
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if (mfrc522[reader].PICC_IsNewCardPresent() && mfrc522[reader].PICC_ReadCardSerial()) {
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Serial.print(F("Reader: "));
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Serial.print(F("Reader "));
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Serial.print(reader);
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// Show some details of the PICC (that is: the tag/card)
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Serial.print(F(" Card UID:"));
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Serial.print(F(": Card UID:"));
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dump_byte_array(mfrc522[reader].uid.uidByte, mfrc522[reader].uid.size);
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Serial.println();
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Serial.print(F("PICC type: "));
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