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Diffstat (limited to '.pio/libdeps/esp32-s3-n16r8/Adafruit PN532/examples/readMifare')
| -rw-r--r-- | .pio/libdeps/esp32-s3-n16r8/Adafruit PN532/examples/readMifare/readMifare.ino | 184 |
1 files changed, 0 insertions, 184 deletions
diff --git a/.pio/libdeps/esp32-s3-n16r8/Adafruit PN532/examples/readMifare/readMifare.ino b/.pio/libdeps/esp32-s3-n16r8/Adafruit PN532/examples/readMifare/readMifare.ino deleted file mode 100644 index ecd4d28..0000000 --- a/.pio/libdeps/esp32-s3-n16r8/Adafruit PN532/examples/readMifare/readMifare.ino +++ /dev/null @@ -1,184 +0,0 @@ -/**************************************************************************/ -/*! - @file readMifare.pde - @author Adafruit Industries - @license BSD (see license.txt) - - This example will wait for any ISO14443A card or tag, and - depending on the size of the UID will attempt to read from it. - - If the card has a 4-byte UID it is probably a Mifare - Classic card, and the following steps are taken: - - - Authenticate block 4 (the first block of Sector 1) using - the default KEYA of 0XFF 0XFF 0XFF 0XFF 0XFF 0XFF - - If authentication succeeds, we can then read any of the - 4 blocks in that sector (though only block 4 is read here) - - If the card has a 7-byte UID it is probably a Mifare - Ultralight card, and the 4 byte pages can be read directly. - Page 4 is read by default since this is the first 'general- - purpose' page on the tags. - - -This is an example sketch for the Adafruit PN532 NFC/RFID breakout boards -This library works with the Adafruit NFC breakout - ----> https://www.adafruit.com/products/364 - -Check out the links above for our tutorials and wiring diagrams -These chips use SPI or I2C to communicate. - -Adafruit invests time and resources providing this open source code, -please support Adafruit and open-source hardware by purchasing -products from Adafruit! - -*/ -/**************************************************************************/ -#include <Wire.h> -#include <SPI.h> -#include <Adafruit_PN532.h> - -// If using the breakout with SPI, define the pins for SPI communication. -#define PN532_SCK (2) -#define PN532_MOSI (3) -#define PN532_SS (4) -#define PN532_MISO (5) - -// If using the breakout or shield with I2C, define just the pins connected -// to the IRQ and reset lines. Use the values below (2, 3) for the shield! -#define PN532_IRQ (2) -#define PN532_RESET (3) // Not connected by default on the NFC Shield - -// Uncomment just _one_ line below depending on how your breakout or shield -// is connected to the Arduino: - -// Use this line for a breakout with a software SPI connection (recommended): -Adafruit_PN532 nfc(PN532_SCK, PN532_MISO, PN532_MOSI, PN532_SS); - -// Use this line for a breakout with a hardware SPI connection. Note that -// the PN532 SCK, MOSI, and MISO pins need to be connected to the Arduino's -// hardware SPI SCK, MOSI, and MISO pins. On an Arduino Uno these are -// SCK = 13, MOSI = 11, MISO = 12. The SS line can be any digital IO pin. -//Adafruit_PN532 nfc(PN532_SS); - -// Or use this line for a breakout or shield with an I2C connection: -//Adafruit_PN532 nfc(PN532_IRQ, PN532_RESET); - -// Or use hardware Serial: -//Adafruit_PN532 nfc(PN532_RESET, &Serial1); - -void setup(void) { - Serial.begin(115200); - while (!Serial) delay(10); // for Leonardo/Micro/Zero - - Serial.println("Hello!"); - - nfc.begin(); - - uint32_t versiondata = nfc.getFirmwareVersion(); - if (! versiondata) { - Serial.print("Didn't find PN53x board"); - while (1); // halt - } - // Got ok data, print it out! - Serial.print("Found chip PN5"); Serial.println((versiondata>>24) & 0xFF, HEX); - Serial.print("Firmware ver. "); Serial.print((versiondata>>16) & 0xFF, DEC); - Serial.print('.'); Serial.println((versiondata>>8) & 0xFF, DEC); - - Serial.println("Waiting for an ISO14443A Card ..."); -} - - -void loop(void) { - uint8_t success; - uint8_t uid[] = { 0, 0, 0, 0, 0, 0, 0 }; // Buffer to store the returned UID - uint8_t uidLength; // Length of the UID (4 or 7 bytes depending on ISO14443A card type) - - // Wait for an ISO14443A type cards (Mifare, etc.). When one is found - // 'uid' will be populated with the UID, and uidLength will indicate - // if the uid is 4 bytes (Mifare Classic) or 7 bytes (Mifare Ultralight) - success = nfc.readPassiveTargetID(PN532_MIFARE_ISO14443A, uid, &uidLength); - - if (success) { - // Display some basic information about the card - Serial.println("Found an ISO14443A card"); - Serial.print(" UID Length: ");Serial.print(uidLength, DEC);Serial.println(" bytes"); - Serial.print(" UID Value: "); - nfc.PrintHex(uid, uidLength); - Serial.println(""); - - if (uidLength == 4) - { - // We probably have a Mifare Classic card ... - Serial.println("Seems to be a Mifare Classic card (4 byte UID)"); - - // Now we need to try to authenticate it for read/write access - // Try with the factory default KeyA: 0xFF 0xFF 0xFF 0xFF 0xFF 0xFF - Serial.println("Trying to authenticate block 4 with default KEYA value"); - uint8_t keya[6] = { 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF }; - - // Start with block 4 (the first block of sector 1) since sector 0 - // contains the manufacturer data and it's probably better just - // to leave it alone unless you know what you're doing - success = nfc.mifareclassic_AuthenticateBlock(uid, uidLength, 4, 0, keya); - - if (success) - { - Serial.println("Sector 1 (Blocks 4..7) has been authenticated"); - uint8_t data[16]; - - // If you want to write something to block 4 to test with, uncomment - // the following line and this text should be read back in a minute - //memcpy(data, (const uint8_t[]){ 'a', 'd', 'a', 'f', 'r', 'u', 'i', 't', '.', 'c', 'o', 'm', 0, 0, 0, 0 }, sizeof data); - // success = nfc.mifareclassic_WriteDataBlock (4, data); - - // Try to read the contents of block 4 - success = nfc.mifareclassic_ReadDataBlock(4, data); - - if (success) - { - // Data seems to have been read ... spit it out - Serial.println("Reading Block 4:"); - nfc.PrintHexChar(data, 16); - Serial.println(""); - - // Wait a bit before reading the card again - delay(1000); - } - else - { - Serial.println("Ooops ... unable to read the requested block. Try another key?"); - } - } - else - { - Serial.println("Ooops ... authentication failed: Try another key?"); - } - } - - if (uidLength == 7) - { - // We probably have a Mifare Ultralight card ... - Serial.println("Seems to be a Mifare Ultralight tag (7 byte UID)"); - - // Try to read the first general-purpose user page (#4) - Serial.println("Reading page 4"); - uint8_t data[32]; - success = nfc.mifareultralight_ReadPage (4, data); - if (success) - { - // Data seems to have been read ... spit it out - nfc.PrintHexChar(data, 4); - Serial.println(""); - - // Wait a bit before reading the card again - delay(1000); - } - else - { - Serial.println("Ooops ... unable to read the requested page!?"); - } - } - } -} - |