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schafkopf-bot/Arduino/nfcReader/PN532/PN532.cpp
Valentin Heiserer 6259d0bef3 added arduino nfcReader files (#42)
2024-04-17 22:49:50 +00:00

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/**************************************************************************/
/*!
@file PN532.cpp
@author Adafruit Industries & Seeed Studio
@license BSD
*/
/**************************************************************************/
#include "Arduino.h"
#include "PN532.h"
#include "PN532_debug.h"
#include <string.h>
#define HAL(func) (_interface->func)
PN532::PN532(PN532Interface &interface)
{
_interface = &interface;
}
/**************************************************************************/
/*!
@brief Setups the HW
*/
/**************************************************************************/
void PN532::begin()
{
HAL(begin)();
HAL(wakeup)();
}
/**************************************************************************/
/*!
@brief Prints a hexadecimal value in plain characters
@param data Pointer to the uint8_t data
@param numBytes Data length in bytes
*/
/**************************************************************************/
void PN532::PrintHex(const uint8_t *data, const uint32_t numBytes)
{
#ifdef ARDUINO
for (uint8_t i = 0; i < numBytes; i++) {
if (data[i] < 0x10) {
Serial.print(" 0");
} else {
Serial.print(' ');
}
Serial.print(data[i], HEX);
}
Serial.println("");
#else
for (uint8_t i = 0; i < numBytes; i++) {
printf(" %2X", data[i]);
}
printf("\n");
#endif
}
/**************************************************************************/
/*!
@brief Prints a hexadecimal value in plain characters, along with
the char equivalents in the following format
00 00 00 00 00 00 ......
@param data Pointer to the data
@param numBytes Data length in bytes
*/
/**************************************************************************/
void PN532::PrintHexChar(const uint8_t *data, const uint32_t numBytes)
{
#ifdef ARDUINO
for (uint8_t i = 0; i < numBytes; i++) {
if (data[i] < 0x10) {
Serial.print(" 0");
} else {
Serial.print(' ');
}
Serial.print(data[i], HEX);
}
Serial.print(" ");
for (uint8_t i = 0; i < numBytes; i++) {
char c = data[i];
if (c <= 0x1f || c > 0x7f) {
Serial.print('.');
} else {
Serial.print(c);
}
}
Serial.println("");
#else
for (uint8_t i = 0; i < numBytes; i++) {
printf(" %2X", data[i]);
}
printf(" ");
for (uint8_t i = 0; i < numBytes; i++) {
char c = data[i];
if (c <= 0x1f || c > 0x7f) {
printf(".");
} else {
printf("%c", c);
}
printf("\n");
}
#endif
}
/**************************************************************************/
/*!
@brief Checks the firmware version of the PN5xx chip
@returns The chip's firmware version and ID
*/
/**************************************************************************/
uint32_t PN532::getFirmwareVersion(void)
{
uint32_t response;
pn532_packetbuffer[0] = PN532_COMMAND_GETFIRMWAREVERSION;
if (HAL(writeCommand)(pn532_packetbuffer, 1)) {
return 0;
}
// read data packet
int16_t status = HAL(readResponse)(pn532_packetbuffer, sizeof(pn532_packetbuffer));
if (0 > status) {
return 0;
}
response = pn532_packetbuffer[0];
response <<= 8;
response |= pn532_packetbuffer[1];
response <<= 8;
response |= pn532_packetbuffer[2];
response <<= 8;
response |= pn532_packetbuffer[3];
return response;
}
/**************************************************************************/
/*!
@brief Read a PN532 register.
@param reg the 16-bit register address.
@returns The register value.
*/
/**************************************************************************/
uint32_t PN532::readRegister(uint16_t reg)
{
uint32_t response;
pn532_packetbuffer[0] = PN532_COMMAND_READREGISTER;
pn532_packetbuffer[1] = (reg >> 8) & 0xFF;
pn532_packetbuffer[2] = reg & 0xFF;
if (HAL(writeCommand)(pn532_packetbuffer, 3)) {
return 0;
}
// read data packet
int16_t status = HAL(readResponse)(pn532_packetbuffer, sizeof(pn532_packetbuffer));
if (0 > status) {
return 0;
}
response = pn532_packetbuffer[0];
return response;
}
/**************************************************************************/
/*!
@brief Write to a PN532 register.
@param reg the 16-bit register address.
@param val the 8-bit value to write.
@returns 0 for failure, 1 for success.
*/
/**************************************************************************/
uint32_t PN532::writeRegister(uint16_t reg, uint8_t val)
{
uint32_t response;
pn532_packetbuffer[0] = PN532_COMMAND_WRITEREGISTER;
pn532_packetbuffer[1] = (reg >> 8) & 0xFF;
pn532_packetbuffer[2] = reg & 0xFF;
pn532_packetbuffer[3] = val;
if (HAL(writeCommand)(pn532_packetbuffer, 4)) {
return 0;
}
// read data packet
int16_t status = HAL(readResponse)(pn532_packetbuffer, sizeof(pn532_packetbuffer));
if (0 > status) {
return 0;
}
return 1;
}
/**************************************************************************/
/*!
Writes an 8-bit value that sets the state of the PN532's GPIO pins
@warning This function is provided exclusively for board testing and
is dangerous since it will throw an error if any pin other
than the ones marked "Can be used as GPIO" are modified! All
pins that can not be used as GPIO should ALWAYS be left high
(value = 1) or the system will become unstable and a HW reset
will be required to recover the PN532.
pinState[0] = P30 Can be used as GPIO
pinState[1] = P31 Can be used as GPIO
pinState[2] = P32 *** RESERVED (Must be 1!) ***
pinState[3] = P33 Can be used as GPIO
pinState[4] = P34 *** RESERVED (Must be 1!) ***
pinState[5] = P35 Can be used as GPIO
@returns 1 if everything executed properly, 0 for an error
*/
/**************************************************************************/
bool PN532::writeGPIO(uint8_t pinstate)
{
// Make sure pinstate does not try to toggle P32 or P34
pinstate |= (1 << PN532_GPIO_P32) | (1 << PN532_GPIO_P34);
// Fill command buffer
pn532_packetbuffer[0] = PN532_COMMAND_WRITEGPIO;
pn532_packetbuffer[1] = PN532_GPIO_VALIDATIONBIT | pinstate; // P3 Pins
pn532_packetbuffer[2] = 0x00; // P7 GPIO Pins (not used ... taken by I2C)
DMSG("Writing P3 GPIO: ");
DMSG_HEX(pn532_packetbuffer[1]);
DMSG("\n");
// Send the WRITEGPIO command (0x0E)
if (HAL(writeCommand)(pn532_packetbuffer, 3))
return 0;
return (0 < HAL(readResponse)(pn532_packetbuffer, sizeof(pn532_packetbuffer)));
}
/**************************************************************************/
/*!
Reads the state of the PN532's GPIO pins
@returns An 8-bit value containing the pin state where:
pinState[0] = P30
pinState[1] = P31
pinState[2] = P32
pinState[3] = P33
pinState[4] = P34
pinState[5] = P35
*/
/**************************************************************************/
uint8_t PN532::readGPIO(void)
{
pn532_packetbuffer[0] = PN532_COMMAND_READGPIO;
// Send the READGPIO command (0x0C)
if (HAL(writeCommand)(pn532_packetbuffer, 1))
return 0x0;
HAL(readResponse)(pn532_packetbuffer, sizeof(pn532_packetbuffer));
/* READGPIO response without prefix and suffix should be in the following format:
byte Description
------------- ------------------------------------------
b0 P3 GPIO Pins
b1 P7 GPIO Pins (not used ... taken by I2C)
b2 Interface Mode Pins (not used ... bus select pins)
*/
DMSG("P3 GPIO: "); DMSG_HEX(pn532_packetbuffer[7]);
DMSG("P7 GPIO: "); DMSG_HEX(pn532_packetbuffer[8]);
DMSG("I0I1 GPIO: "); DMSG_HEX(pn532_packetbuffer[9]);
DMSG("\n");
return pn532_packetbuffer[0];
}
/**************************************************************************/
/*!
@brief Configures the SAM (Secure Access Module)
*/
/**************************************************************************/
bool PN532::SAMConfig(void)
{
pn532_packetbuffer[0] = PN532_COMMAND_SAMCONFIGURATION;
pn532_packetbuffer[1] = 0x01; // normal mode;
pn532_packetbuffer[2] = 0x14; // timeout 50ms * 20 = 1 second
pn532_packetbuffer[3] = 0x01; // use IRQ pin!
DMSG("SAMConfig\n");
if (HAL(writeCommand)(pn532_packetbuffer, 4))
return false;
return (0 < HAL(readResponse)(pn532_packetbuffer, sizeof(pn532_packetbuffer)));
}
/**************************************************************************/
/*!
Sets the MxRtyPassiveActivation uint8_t of the RFConfiguration register
@param maxRetries 0xFF to wait forever, 0x00..0xFE to timeout
after mxRetries
@returns 1 if everything executed properly, 0 for an error
*/
/**************************************************************************/
bool PN532::setPassiveActivationRetries(uint8_t maxRetries)
{
pn532_packetbuffer[0] = PN532_COMMAND_RFCONFIGURATION;
pn532_packetbuffer[1] = 5; // Config item 5 (MaxRetries)
pn532_packetbuffer[2] = 0xFF; // MxRtyATR (default = 0xFF)
pn532_packetbuffer[3] = 0x01; // MxRtyPSL (default = 0x01)
pn532_packetbuffer[4] = maxRetries;
if (HAL(writeCommand)(pn532_packetbuffer, 5))
return 0x0; // no ACK
return (0 < HAL(readResponse)(pn532_packetbuffer, sizeof(pn532_packetbuffer)));
}
/**************************************************************************/
/*!
Sets the RFon/off uint8_t of the RFConfiguration register
@param autoRFCA 0x00 No check of the external field before
activation
0x02 Check the external field before
activation
@param rFOnOff 0x00 Switch the RF field off, 0x01 switch the RF
field on
@returns 1 if everything executed properly, 0 for an error
*/
/**************************************************************************/
bool PN532::setRFField(uint8_t autoRFCA, uint8_t rFOnOff)
{
pn532_packetbuffer[0] = PN532_COMMAND_RFCONFIGURATION;
pn532_packetbuffer[1] = 1;
pn532_packetbuffer[2] = 0x00 | autoRFCA | rFOnOff;
if (HAL(writeCommand)(pn532_packetbuffer, 3)) {
return 0x0; // command failed
}
return (0 < HAL(readResponse)(pn532_packetbuffer, sizeof(pn532_packetbuffer)));
}
/***** ISO14443A Commands ******/
/**************************************************************************/
/*!
Waits for an ISO14443A target to enter the field
@param cardBaudRate Baud rate of the card
@param uid Pointer to the array that will be populated
with the card's UID (up to 7 bytes)
@param uidLength Pointer to the variable that will hold the
length of the card's UID.
@returns 1 if everything executed properly, 0 for an error
*/
/**************************************************************************/
bool PN532::readPassiveTargetID(uint8_t cardbaudrate, uint8_t *uid, uint8_t *uidLength, uint16_t timeout)
{
pn532_packetbuffer[0] = PN532_COMMAND_INLISTPASSIVETARGET;
pn532_packetbuffer[1] = 1; // max 1 cards at once (we can set this to 2 later)
pn532_packetbuffer[2] = cardbaudrate;
if (HAL(writeCommand)(pn532_packetbuffer, 3)) {
return 0x0; // command failed
}
// read data packet
if (HAL(readResponse)(pn532_packetbuffer, sizeof(pn532_packetbuffer), timeout) < 0) {
return 0x0;
}
// check some basic stuff
/* ISO14443A card response should be in the following format:
byte Description
------------- ------------------------------------------
b0 Tags Found
b1 Tag Number (only one used in this example)
b2..3 SENS_RES
b4 SEL_RES
b5 NFCID Length
b6..NFCIDLen NFCID
*/
if (pn532_packetbuffer[0] != 1)
return 0;
uint16_t sens_res = pn532_packetbuffer[2];
sens_res <<= 8;
sens_res |= pn532_packetbuffer[3];
DMSG("ATQA: 0x"); DMSG_HEX(sens_res);
DMSG("SAK: 0x"); DMSG_HEX(pn532_packetbuffer[4]);
DMSG("\n");
/* Card appears to be Mifare Classic */
*uidLength = pn532_packetbuffer[5];
for (uint8_t i = 0; i < pn532_packetbuffer[5]; i++) {
uid[i] = pn532_packetbuffer[6 + i];
}
return 1;
}
/***** Mifare Classic Functions ******/
/**************************************************************************/
/*!
Indicates whether the specified block number is the first block
in the sector (block 0 relative to the current sector)
*/
/**************************************************************************/
bool PN532::mifareclassic_IsFirstBlock (uint32_t uiBlock)
{
// Test if we are in the small or big sectors
if (uiBlock < 128)
return ((uiBlock) % 4 == 0);
else
return ((uiBlock) % 16 == 0);
}
/**************************************************************************/
/*!
Indicates whether the specified block number is the sector trailer
*/
/**************************************************************************/
bool PN532::mifareclassic_IsTrailerBlock (uint32_t uiBlock)
{
// Test if we are in the small or big sectors
if (uiBlock < 128)
return ((uiBlock + 1) % 4 == 0);
else
return ((uiBlock + 1) % 16 == 0);
}
/**************************************************************************/
/*!
Tries to authenticate a block of memory on a MIFARE card using the
INDATAEXCHANGE command. See section 7.3.8 of the PN532 User Manual
for more information on sending MIFARE and other commands.
@param uid Pointer to a byte array containing the card UID
@param uidLen The length (in bytes) of the card's UID (Should
be 4 for MIFARE Classic)
@param blockNumber The block number to authenticate. (0..63 for
1KB cards, and 0..255 for 4KB cards).
@param keyNumber Which key type to use during authentication
(0 = MIFARE_CMD_AUTH_A, 1 = MIFARE_CMD_AUTH_B)
@param keyData Pointer to a byte array containing the 6 bytes
key value
@returns 1 if everything executed properly, 0 for an error
*/
/**************************************************************************/
uint8_t PN532::mifareclassic_AuthenticateBlock (uint8_t *uid, uint8_t uidLen, uint32_t blockNumber, uint8_t keyNumber, uint8_t *keyData)
{
uint8_t i;
// Hang on to the key and uid data
memcpy (_key, keyData, 6);
memcpy (_uid, uid, uidLen);
_uidLen = uidLen;
// Prepare the authentication command //
pn532_packetbuffer[0] = PN532_COMMAND_INDATAEXCHANGE; /* Data Exchange Header */
pn532_packetbuffer[1] = 1; /* Max card numbers */
pn532_packetbuffer[2] = (keyNumber) ? MIFARE_CMD_AUTH_B : MIFARE_CMD_AUTH_A;
pn532_packetbuffer[3] = blockNumber; /* Block Number (1K = 0..63, 4K = 0..255 */
memcpy (pn532_packetbuffer + 4, _key, 6);
for (i = 0; i < _uidLen; i++) {
pn532_packetbuffer[10 + i] = _uid[i]; /* 4 bytes card ID */
}
if (HAL(writeCommand)(pn532_packetbuffer, 10 + _uidLen))
return 0;
// Read the response packet
HAL(readResponse)(pn532_packetbuffer, sizeof(pn532_packetbuffer));
// Check if the response is valid and we are authenticated???
// for an auth success it should be bytes 5-7: 0xD5 0x41 0x00
// Mifare auth error is technically byte 7: 0x14 but anything other and 0x00 is not good
if (pn532_packetbuffer[0] != 0x00) {
DMSG("Authentification failed\n");
return 0;
}
return 1;
}
/**************************************************************************/
/*!
Tries to read an entire 16-bytes data block at the specified block
address.
@param blockNumber The block number to authenticate. (0..63 for
1KB cards, and 0..255 for 4KB cards).
@param data Pointer to the byte array that will hold the
retrieved data (if any)
@returns 1 if everything executed properly, 0 for an error
*/
/**************************************************************************/
uint8_t PN532::mifareclassic_ReadDataBlock (uint8_t blockNumber, uint8_t *data)
{
DMSG("Trying to read 16 bytes from block ");
DMSG_INT(blockNumber);
/* Prepare the command */
pn532_packetbuffer[0] = PN532_COMMAND_INDATAEXCHANGE;
pn532_packetbuffer[1] = 1; /* Card number */
pn532_packetbuffer[2] = MIFARE_CMD_READ; /* Mifare Read command = 0x30 */
pn532_packetbuffer[3] = blockNumber; /* Block Number (0..63 for 1K, 0..255 for 4K) */
/* Send the command */
if (HAL(writeCommand)(pn532_packetbuffer, 4)) {
return 0;
}
/* Read the response packet */
HAL(readResponse)(pn532_packetbuffer, sizeof(pn532_packetbuffer));
/* If byte 8 isn't 0x00 we probably have an error */
if (pn532_packetbuffer[0] != 0x00) {
return 0;
}
/* Copy the 16 data bytes to the output buffer */
/* Block content starts at byte 9 of a valid response */
memcpy (data, pn532_packetbuffer + 1, 16);
return 1;
}
/**************************************************************************/
/*!
Tries to write an entire 16-bytes data block at the specified block
address.
@param blockNumber The block number to authenticate. (0..63 for
1KB cards, and 0..255 for 4KB cards).
@param data The byte array that contains the data to write.
@returns 1 if everything executed properly, 0 for an error
*/
/**************************************************************************/
uint8_t PN532::mifareclassic_WriteDataBlock (uint8_t blockNumber, uint8_t *data)
{
/* Prepare the first command */
pn532_packetbuffer[0] = PN532_COMMAND_INDATAEXCHANGE;
pn532_packetbuffer[1] = 1; /* Card number */
pn532_packetbuffer[2] = MIFARE_CMD_WRITE; /* Mifare Write command = 0xA0 */
pn532_packetbuffer[3] = blockNumber; /* Block Number (0..63 for 1K, 0..255 for 4K) */
memcpy (pn532_packetbuffer + 4, data, 16); /* Data Payload */
/* Send the command */
if (HAL(writeCommand)(pn532_packetbuffer, 20)) {
return 0;
}
/* Read the response packet */
return (0 < HAL(readResponse)(pn532_packetbuffer, sizeof(pn532_packetbuffer)));
}
/**************************************************************************/
/*!
Formats a Mifare Classic card to store NDEF Records
@returns 1 if everything executed properly, 0 for an error
*/
/**************************************************************************/
uint8_t PN532::mifareclassic_FormatNDEF (void)
{
uint8_t sectorbuffer1[16] = {0x14, 0x01, 0x03, 0xE1, 0x03, 0xE1, 0x03, 0xE1, 0x03, 0xE1, 0x03, 0xE1, 0x03, 0xE1, 0x03, 0xE1};
uint8_t sectorbuffer2[16] = {0x03, 0xE1, 0x03, 0xE1, 0x03, 0xE1, 0x03, 0xE1, 0x03, 0xE1, 0x03, 0xE1, 0x03, 0xE1, 0x03, 0xE1};
uint8_t sectorbuffer3[16] = {0xA0, 0xA1, 0xA2, 0xA3, 0xA4, 0xA5, 0x78, 0x77, 0x88, 0xC1, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF};
// Note 0xA0 0xA1 0xA2 0xA3 0xA4 0xA5 must be used for key A
// for the MAD sector in NDEF records (sector 0)
// Write block 1 and 2 to the card
if (!(mifareclassic_WriteDataBlock (1, sectorbuffer1)))
return 0;
if (!(mifareclassic_WriteDataBlock (2, sectorbuffer2)))
return 0;
// Write key A and access rights card
if (!(mifareclassic_WriteDataBlock (3, sectorbuffer3)))
return 0;
// Seems that everything was OK (?!)
return 1;
}
/**************************************************************************/
/*!
Writes an NDEF URI Record to the specified sector (1..15)
Note that this function assumes that the Mifare Classic card is
already formatted to work as an "NFC Forum Tag" and uses a MAD1
file system. You can use the NXP TagWriter app on Android to
properly format cards for this.
@param sectorNumber The sector that the URI record should be written
to (can be 1..15 for a 1K card)
@param uriIdentifier The uri identifier code (0 = none, 0x01 =
"http://www.", etc.)
@param url The uri text to write (max 38 characters).
@returns 1 if everything executed properly, 0 for an error
*/
/**************************************************************************/
uint8_t PN532::mifareclassic_WriteNDEFURI (uint8_t sectorNumber, uint8_t uriIdentifier, const char *url)
{
// Figure out how long the string is
uint8_t len = strlen(url);
// Make sure we're within a 1K limit for the sector number
if ((sectorNumber < 1) || (sectorNumber > 15))
return 0;
// Make sure the URI payload is between 1 and 38 chars
if ((len < 1) || (len > 38))
return 0;
// Note 0xD3 0xF7 0xD3 0xF7 0xD3 0xF7 must be used for key A
// in NDEF records
// Setup the sector buffer (w/pre-formatted TLV wrapper and NDEF message)
uint8_t sectorbuffer1[16] = {0x00, 0x00, 0x03, len + 5, 0xD1, 0x01, len + 1, 0x55, uriIdentifier, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00};
uint8_t sectorbuffer2[16] = {0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00};
uint8_t sectorbuffer3[16] = {0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00};
uint8_t sectorbuffer4[16] = {0xD3, 0xF7, 0xD3, 0xF7, 0xD3, 0xF7, 0x7F, 0x07, 0x88, 0x40, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF};
if (len <= 6) {
// Unlikely we'll get a url this short, but why not ...
memcpy (sectorbuffer1 + 9, url, len);
sectorbuffer1[len + 9] = 0xFE;
} else if (len == 7) {
// 0xFE needs to be wrapped around to next block
memcpy (sectorbuffer1 + 9, url, len);
sectorbuffer2[0] = 0xFE;
} else if ((len > 7) && (len <= 22)) {
// Url fits in two blocks
memcpy (sectorbuffer1 + 9, url, 7);
memcpy (sectorbuffer2, url + 7, len - 7);
sectorbuffer2[len - 7] = 0xFE;
} else if (len == 23) {
// 0xFE needs to be wrapped around to final block
memcpy (sectorbuffer1 + 9, url, 7);
memcpy (sectorbuffer2, url + 7, len - 7);
sectorbuffer3[0] = 0xFE;
} else {
// Url fits in three blocks
memcpy (sectorbuffer1 + 9, url, 7);
memcpy (sectorbuffer2, url + 7, 16);
memcpy (sectorbuffer3, url + 23, len - 23);
sectorbuffer3[len - 23] = 0xFE;
}
// Now write all three blocks back to the card
if (!(mifareclassic_WriteDataBlock (sectorNumber * 4, sectorbuffer1)))
return 0;
if (!(mifareclassic_WriteDataBlock ((sectorNumber * 4) + 1, sectorbuffer2)))
return 0;
if (!(mifareclassic_WriteDataBlock ((sectorNumber * 4) + 2, sectorbuffer3)))
return 0;
if (!(mifareclassic_WriteDataBlock ((sectorNumber * 4) + 3, sectorbuffer4)))
return 0;
// Seems that everything was OK (?!)
return 1;
}
/***** Mifare Ultralight Functions ******/
/**************************************************************************/
/*!
Tries to read an entire 4-bytes page at the specified address.
@param page The page number (0..63 in most cases)
@param buffer Pointer to the byte array that will hold the
retrieved data (if any)
*/
/**************************************************************************/
uint8_t PN532::mifareultralight_ReadPage (uint8_t page, uint8_t *buffer)
{
if (page >= 64) {
DMSG("Page value out of range\n");
return 0;
}
/* Prepare the command */
pn532_packetbuffer[0] = PN532_COMMAND_INDATAEXCHANGE;
pn532_packetbuffer[1] = 1; /* Card number */
pn532_packetbuffer[2] = MIFARE_CMD_READ; /* Mifare Read command = 0x30 */
pn532_packetbuffer[3] = page; /* Page Number (0..63 in most cases) */
/* Send the command */
if (HAL(writeCommand)(pn532_packetbuffer, 4)) {
return 0;
}
/* Read the response packet */
HAL(readResponse)(pn532_packetbuffer, sizeof(pn532_packetbuffer));
/* If byte 8 isn't 0x00 we probably have an error */
if (pn532_packetbuffer[0] == 0x00) {
/* Copy the 4 data bytes to the output buffer */
/* Block content starts at byte 9 of a valid response */
/* Note that the command actually reads 16 bytes or 4 */
/* pages at a time ... we simply discard the last 12 */
/* bytes */
memcpy (buffer, pn532_packetbuffer + 1, 4);
} else {
return 0;
}
// Return OK signal
return 1;
}
/**************************************************************************/
/*!
Tries to write an entire 4-bytes data buffer at the specified page
address.
@param page The page number to write into. (0..63).
@param buffer The byte array that contains the data to write.
@returns 1 if everything executed properly, 0 for an error
*/
/**************************************************************************/
uint8_t PN532::mifareultralight_WritePage (uint8_t page, uint8_t *buffer)
{
/* Prepare the first command */
pn532_packetbuffer[0] = PN532_COMMAND_INDATAEXCHANGE;
pn532_packetbuffer[1] = 1; /* Card number */
pn532_packetbuffer[2] = MIFARE_CMD_WRITE_ULTRALIGHT; /* Mifare UL Write cmd = 0xA2 */
pn532_packetbuffer[3] = page; /* page Number (0..63) */
memcpy (pn532_packetbuffer + 4, buffer, 4); /* Data Payload */
/* Send the command */
if (HAL(writeCommand)(pn532_packetbuffer, 8)) {
return 0;
}
/* Read the response packet */
return (0 < HAL(readResponse)(pn532_packetbuffer, sizeof(pn532_packetbuffer)));
}
/**************************************************************************/
/*!
@brief Exchanges an APDU with the currently inlisted peer
@param send Pointer to data to send
@param sendLength Length of the data to send
@param response Pointer to response data
@param responseLength Pointer to the response data length
*/
/**************************************************************************/
bool PN532::inDataExchange(uint8_t *send, uint8_t sendLength, uint8_t *response, uint8_t *responseLength)
{
uint8_t i;
pn532_packetbuffer[0] = 0x40; // PN532_COMMAND_INDATAEXCHANGE;
pn532_packetbuffer[1] = inListedTag;
if (HAL(writeCommand)(pn532_packetbuffer, 2, send, sendLength)) {
return false;
}
int16_t status = HAL(readResponse)(response, *responseLength, 1000);
if (status < 0) {
return false;
}
if ((response[0] & 0x3f) != 0) {
DMSG("Status code indicates an error\n");
return false;
}
uint8_t length = status;
length -= 1;
if (length > *responseLength) {
length = *responseLength; // silent truncation...
}
for (uint8_t i = 0; i < length; i++) {
response[i] = response[i + 1];
}
*responseLength = length;
return true;
}
/**************************************************************************/
/*!
@brief 'InLists' a passive target. PN532 acting as reader/initiator,
peer acting as card/responder.
*/
/**************************************************************************/
bool PN532::inListPassiveTarget()
{
pn532_packetbuffer[0] = PN532_COMMAND_INLISTPASSIVETARGET;
pn532_packetbuffer[1] = 1;
pn532_packetbuffer[2] = 0;
DMSG("inList passive target\n");
if (HAL(writeCommand)(pn532_packetbuffer, 3)) {
return false;
}
int16_t status = HAL(readResponse)(pn532_packetbuffer, sizeof(pn532_packetbuffer), 30000);
if (status < 0) {
return false;
}
if (pn532_packetbuffer[0] != 1) {
return false;
}
inListedTag = pn532_packetbuffer[1];
return true;
}
int8_t PN532::tgInitAsTarget(const uint8_t* command, const uint8_t len, const uint16_t timeout){
int8_t status = HAL(writeCommand)(command, len);
if (status < 0) {
return -1;
}
status = HAL(readResponse)(pn532_packetbuffer, sizeof(pn532_packetbuffer), timeout);
if (status > 0) {
return 1;
} else if (PN532_TIMEOUT == status) {
return 0;
} else {
return -2;
}
}
/**
* Peer to Peer
*/
int8_t PN532::tgInitAsTarget(uint16_t timeout)
{
const uint8_t command[] = {
PN532_COMMAND_TGINITASTARGET,
0,
0x00, 0x00, //SENS_RES
0x00, 0x00, 0x00, //NFCID1
0x40, //SEL_RES
0x01, 0xFE, 0x0F, 0xBB, 0xBA, 0xA6, 0xC9, 0x89, // POL_RES
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0xFF, 0xFF,
0x01, 0xFE, 0x0F, 0xBB, 0xBA, 0xA6, 0xC9, 0x89, 0x00, 0x00, //NFCID3t: Change this to desired value
0x06, 0x46, 0x66, 0x6D, 0x01, 0x01, 0x10, 0x00// LLCP magic number and version parameter
};
return tgInitAsTarget(command, sizeof(command), timeout);
}
int16_t PN532::tgGetData(uint8_t *buf, uint8_t len)
{
buf[0] = PN532_COMMAND_TGGETDATA;
if (HAL(writeCommand)(buf, 1)) {
return -1;
}
int16_t status = HAL(readResponse)(buf, len, 3000);
if (0 >= status) {
return status;
}
uint16_t length = status - 1;
if (buf[0] != 0) {
DMSG("status is not ok\n");
return -5;
}
for (uint8_t i = 0; i < length; i++) {
buf[i] = buf[i + 1];
}
return length;
}
bool PN532::tgSetData(const uint8_t *header, uint8_t hlen, const uint8_t *body, uint8_t blen)
{
if (hlen > (sizeof(pn532_packetbuffer) - 1)) {
if ((body != 0) || (header == pn532_packetbuffer)) {
DMSG("tgSetData:buffer too small\n");
return false;
}
pn532_packetbuffer[0] = PN532_COMMAND_TGSETDATA;
if (HAL(writeCommand)(pn532_packetbuffer, 1, header, hlen)) {
return false;
}
} else {
for (int8_t i = hlen - 1; i >= 0; i--){
pn532_packetbuffer[i + 1] = header[i];
}
pn532_packetbuffer[0] = PN532_COMMAND_TGSETDATA;
if (HAL(writeCommand)(pn532_packetbuffer, hlen + 1, body, blen)) {
return false;
}
}
if (0 > HAL(readResponse)(pn532_packetbuffer, sizeof(pn532_packetbuffer), 3000)) {
return false;
}
if (0 != pn532_packetbuffer[0]) {
return false;
}
return true;
}
int16_t PN532::inRelease(const uint8_t relevantTarget){
pn532_packetbuffer[0] = PN532_COMMAND_INRELEASE;
pn532_packetbuffer[1] = relevantTarget;
if (HAL(writeCommand)(pn532_packetbuffer, 2)) {
return 0;
}
// read data packet
return HAL(readResponse)(pn532_packetbuffer, sizeof(pn532_packetbuffer));
}
/***** FeliCa Functions ******/
/**************************************************************************/
/*!
@brief Poll FeliCa card. PN532 acting as reader/initiator,
peer acting as card/responder.
@param[in] systemCode Designation of System Code. When sending FFFFh as System Code,
all FeliCa cards can return response.
@param[in] requestCode Designation of Request Data as follows:
00h: No Request
01h: System Code request (to acquire System Code of the card)
02h: Communication perfomance request
@param[out] idm IDm of the card (8 bytes)
@param[out] pmm PMm of the card (8 bytes)
@param[out] systemCodeResponse System Code of the card (Optional, 2bytes)
@return = 1: A FeliCa card has detected
= 0: No card has detected
< 0: error
*/
/**************************************************************************/
int8_t PN532::felica_Polling(uint16_t systemCode, uint8_t requestCode, uint8_t * idm, uint8_t * pmm, uint16_t *systemCodeResponse, uint16_t timeout)
{
pn532_packetbuffer[0] = PN532_COMMAND_INLISTPASSIVETARGET;
pn532_packetbuffer[1] = 1;
pn532_packetbuffer[2] = 1;
pn532_packetbuffer[3] = FELICA_CMD_POLLING;
pn532_packetbuffer[4] = (systemCode >> 8) & 0xFF;
pn532_packetbuffer[5] = systemCode & 0xFF;
pn532_packetbuffer[6] = requestCode;
pn532_packetbuffer[7] = 0;
if (HAL(writeCommand)(pn532_packetbuffer, 8)) {
DMSG("Could not send Polling command\n");
return -1;
}
int16_t status = HAL(readResponse)(pn532_packetbuffer, 22, timeout);
if (status < 0) {
DMSG("Could not receive response\n");
return -2;
}
// Check NbTg (pn532_packetbuffer[7])
if (pn532_packetbuffer[0] == 0) {
DMSG("No card had detected\n");
return 0;
} else if (pn532_packetbuffer[0] != 1) {
DMSG("Unhandled number of targets inlisted. NbTg: ");
DMSG_HEX(pn532_packetbuffer[7]);
DMSG("\n");
return -3;
}
inListedTag = pn532_packetbuffer[1];
DMSG("Tag number: ");
DMSG_HEX(pn532_packetbuffer[1]);
DMSG("\n");
// length check
uint8_t responseLength = pn532_packetbuffer[2];
if (responseLength != 18 && responseLength != 20) {
DMSG("Wrong response length\n");
return -4;
}
uint8_t i;
for (i=0; i<8; ++i) {
idm[i] = pn532_packetbuffer[4+i];
_felicaIDm[i] = pn532_packetbuffer[4+i];
pmm[i] = pn532_packetbuffer[12+i];
_felicaPMm[i] = pn532_packetbuffer[12+i];
}
if ( responseLength == 20 ) {
*systemCodeResponse = (uint16_t)((pn532_packetbuffer[20] << 8) + pn532_packetbuffer[21]);
}
return 1;
}
/**************************************************************************/
/*!
@brief Sends FeliCa command to the currently inlisted peer
@param[in] command FeliCa command packet. (e.g. 00 FF FF 00 00 for Polling command)
@param[in] commandlength Length of the FeliCa command packet. (e.g. 0x05 for above Polling command )
@param[out] response FeliCa response packet. (e.g. 01 NFCID2(8 bytes) PAD(8 bytes) for Polling response)
@param[out] responselength Length of the FeliCa response packet. (e.g. 0x11 for above Polling command )
@return = 1: Success
< 0: error
*/
/**************************************************************************/
int8_t PN532::felica_SendCommand (const uint8_t *command, uint8_t commandlength, uint8_t *response, uint8_t *responseLength)
{
if (commandlength > 0xFE) {
DMSG("Command length too long\n");
return -1;
}
pn532_packetbuffer[0] = 0x40; // PN532_COMMAND_INDATAEXCHANGE;
pn532_packetbuffer[1] = inListedTag;
pn532_packetbuffer[2] = commandlength + 1;
if (HAL(writeCommand)(pn532_packetbuffer, 3, command, commandlength)) {
DMSG("Could not send FeliCa command\n");
return -2;
}
// Wait card response
int16_t status = HAL(readResponse)(pn532_packetbuffer, sizeof(pn532_packetbuffer), 200);
if (status < 0) {
DMSG("Could not receive response\n");
return -3;
}
// Check status (pn532_packetbuffer[0])
if ((pn532_packetbuffer[0] & 0x3F)!=0) {
DMSG("Status code indicates an error: ");
DMSG_HEX(pn532_packetbuffer[0]);
DMSG("\n");
return -4;
}
// length check
*responseLength = pn532_packetbuffer[1] - 1;
if ( (status - 2) != *responseLength) {
DMSG("Wrong response length\n");
return -5;
}
memcpy(response, &pn532_packetbuffer[2], *responseLength);
return 1;
}
/**************************************************************************/
/*!
@brief Sends FeliCa Request Service command
@param[in] numNode length of the nodeCodeList
@param[in] nodeCodeList Node codes(Big Endian)
@param[out] keyVersions Key Version of each Node (Big Endian)
@return = 1: Success
< 0: error
*/
/**************************************************************************/
int8_t PN532::felica_RequestService(uint8_t numNode, uint16_t *nodeCodeList, uint16_t *keyVersions)
{
if (numNode > FELICA_REQ_SERVICE_MAX_NODE_NUM) {
DMSG("numNode is too large\n");
return -1;
}
uint8_t i, j=0;
uint8_t cmdLen = 1 + 8 + 1 + 2*numNode;
uint8_t cmd[cmdLen];
cmd[j++] = FELICA_CMD_REQUEST_SERVICE;
for (i=0; i<8; ++i) {
cmd[j++] = _felicaIDm[i];
}
cmd[j++] = numNode;
for (i=0; i<numNode; ++i) {
cmd[j++] = nodeCodeList[i] & 0xFF;
cmd[j++] = (nodeCodeList[i] >> 8) & 0xff;
}
uint8_t response[10+2*numNode];
uint8_t responseLength;
if (felica_SendCommand(cmd, cmdLen, response, &responseLength) != 1) {
DMSG("Request Service command failed\n");
return -2;
}
// length check
if ( responseLength != 10+2*numNode ) {
DMSG("Request Service command failed (wrong response length)\n");
return -3;
}
for(i=0; i<numNode; i++) {
keyVersions[i] = (uint16_t)(response[10+i*2] + (response[10+i*2+1] << 8));
}
return 1;
}
/**************************************************************************/
/*!
@brief Sends FeliCa Request Service command
@param[out] mode Current Mode of the card
@return = 1: Success
< 0: error
*/
/**************************************************************************/
int8_t PN532::felica_RequestResponse(uint8_t * mode)
{
uint8_t cmd[9];
cmd[0] = FELICA_CMD_REQUEST_RESPONSE;
memcpy(&cmd[1], _felicaIDm, 8);
uint8_t response[10];
uint8_t responseLength;
if (felica_SendCommand(cmd, 9, response, &responseLength) != 1) {
DMSG("Request Response command failed\n");
return -1;
}
// length check
if ( responseLength != 10) {
DMSG("Request Response command failed (wrong response length)\n");
return -2;
}
*mode = response[9];
return 1;
}
/**************************************************************************/
/*!
@brief Sends FeliCa Read Without Encryption command
@param[in] numService Length of the serviceCodeList
@param[in] serviceCodeList Service Code List (Big Endian)
@param[in] numBlock Length of the blockList
@param[in] blockList Block List (Big Endian, This API only accepts 2-byte block list element)
@param[out] blockData Block Data
@return = 1: Success
< 0: error
*/
/**************************************************************************/
int8_t PN532::felica_ReadWithoutEncryption (uint8_t numService, const uint16_t *serviceCodeList, uint8_t numBlock, const uint16_t *blockList, uint8_t blockData[][16])
{
if (numService > FELICA_READ_MAX_SERVICE_NUM) {
DMSG("numService is too large\n");
return -1;
}
if (numBlock > FELICA_READ_MAX_BLOCK_NUM) {
DMSG("numBlock is too large\n");
return -2;
}
uint8_t i, j=0, k;
uint8_t cmdLen = 1 + 8 + 1 + 2*numService + 1 + 2*numBlock;
uint8_t cmd[cmdLen];
cmd[j++] = FELICA_CMD_READ_WITHOUT_ENCRYPTION;
for (i=0; i<8; ++i) {
cmd[j++] = _felicaIDm[i];
}
cmd[j++] = numService;
for (i=0; i<numService; ++i) {
cmd[j++] = serviceCodeList[i] & 0xFF;
cmd[j++] = (serviceCodeList[i] >> 8) & 0xff;
}
cmd[j++] = numBlock;
for (i=0; i<numBlock; ++i) {
cmd[j++] = (blockList[i] >> 8) & 0xFF;
cmd[j++] = blockList[i] & 0xff;
}
uint8_t response[12+16*numBlock];
uint8_t responseLength;
if (felica_SendCommand(cmd, cmdLen, response, &responseLength) != 1) {
DMSG("Read Without Encryption command failed\n");
return -3;
}
// length check
if ( responseLength != 12+16*numBlock ) {
DMSG("Read Without Encryption command failed (wrong response length)\n");
return -4;
}
// status flag check
if ( response[9] != 0 || response[10] != 0 ) {
DMSG("Read Without Encryption command failed (Status Flag: ");
DMSG_HEX(pn532_packetbuffer[9]);
DMSG_HEX(pn532_packetbuffer[10]);
DMSG(")\n");
return -5;
}
k = 12;
for(i=0; i<numBlock; i++ ) {
for(j=0; j<16; j++ ) {
blockData[i][j] = response[k++];
}
}
return 1;
}
/**************************************************************************/
/*!
@brief Sends FeliCa Write Without Encryption command
@param[in] numService Length of the serviceCodeList
@param[in] serviceCodeList Service Code List (Big Endian)
@param[in] numBlock Length of the blockList
@param[in] blockList Block List (Big Endian, This API only accepts 2-byte block list element)
@param[in] blockData Block Data (each Block has 16 bytes)
@return = 1: Success
< 0: error
*/
/**************************************************************************/
int8_t PN532::felica_WriteWithoutEncryption (uint8_t numService, const uint16_t *serviceCodeList, uint8_t numBlock, const uint16_t *blockList, uint8_t blockData[][16])
{
if (numService > FELICA_WRITE_MAX_SERVICE_NUM) {
DMSG("numService is too large\n");
return -1;
}
if (numBlock > FELICA_WRITE_MAX_BLOCK_NUM) {
DMSG("numBlock is too large\n");
return -2;
}
uint8_t i, j=0, k;
uint8_t cmdLen = 1 + 8 + 1 + 2*numService + 1 + 2*numBlock + 16 * numBlock;
uint8_t cmd[cmdLen];
cmd[j++] = FELICA_CMD_WRITE_WITHOUT_ENCRYPTION;
for (i=0; i<8; ++i) {
cmd[j++] = _felicaIDm[i];
}
cmd[j++] = numService;
for (i=0; i<numService; ++i) {
cmd[j++] = serviceCodeList[i] & 0xFF;
cmd[j++] = (serviceCodeList[i] >> 8) & 0xff;
}
cmd[j++] = numBlock;
for (i=0; i<numBlock; ++i) {
cmd[j++] = (blockList[i] >> 8) & 0xFF;
cmd[j++] = blockList[i] & 0xff;
}
for (i=0; i<numBlock; ++i) {
for(k=0; k<16; k++) {
cmd[j++] = blockData[i][k];
}
}
uint8_t response[11];
uint8_t responseLength;
if (felica_SendCommand(cmd, cmdLen, response, &responseLength) != 1) {
DMSG("Write Without Encryption command failed\n");
return -3;
}
// length check
if ( responseLength != 11 ) {
DMSG("Write Without Encryption command failed (wrong response length)\n");
return -4;
}
// status flag check
if ( response[9] != 0 || response[10] != 0 ) {
DMSG("Write Without Encryption command failed (Status Flag: ");
DMSG_HEX(pn532_packetbuffer[9]);
DMSG_HEX(pn532_packetbuffer[10]);
DMSG(")\n");
return -5;
}
return 1;
}
/**************************************************************************/
/*!
@brief Sends FeliCa Request System Code command
@param[out] numSystemCode Length of the systemCodeList
@param[out] systemCodeList System Code list (Array length should longer than 16)
@return = 1: Success
< 0: error
*/
/**************************************************************************/
int8_t PN532::felica_RequestSystemCode(uint8_t * numSystemCode, uint16_t *systemCodeList)
{
uint8_t cmd[9];
cmd[0] = FELICA_CMD_REQUEST_SYSTEM_CODE;
memcpy(&cmd[1], _felicaIDm, 8);
uint8_t response[10 + 2 * 16];
uint8_t responseLength;
if (felica_SendCommand(cmd, 9, response, &responseLength) != 1) {
DMSG("Request System Code command failed\n");
return -1;
}
*numSystemCode = response[9];
// length check
if ( responseLength < 10 + 2 * *numSystemCode ) {
DMSG("Request System Code command failed (wrong response length)\n");
return -2;
}
uint8_t i;
for(i=0; i<*numSystemCode; i++) {
systemCodeList[i] = (uint16_t)((response[10+i*2]<< 8) + response[10+i*2+1]);
}
return 1;
}
/**************************************************************************/
/*!
@brief Release FeliCa card
@return = 1: Success
< 0: error
*/
/**************************************************************************/
int8_t PN532::felica_Release()
{
// InRelease
pn532_packetbuffer[0] = PN532_COMMAND_INRELEASE;
pn532_packetbuffer[1] = 0x00; // All target
DMSG("Release all FeliCa target\n");
if (HAL(writeCommand)(pn532_packetbuffer, 2)) {
DMSG("No ACK\n");
return -1; // no ACK
}
// Wait card response
int16_t frameLength = HAL(readResponse)(pn532_packetbuffer, sizeof(pn532_packetbuffer), 1000);
if (frameLength < 0) {
DMSG("Could not receive response\n");
return -2;
}
// Check status (pn532_packetbuffer[0])
if ((pn532_packetbuffer[0] & 0x3F)!=0) {
DMSG("Status code indicates an error: ");
DMSG_HEX(pn532_packetbuffer[7]);
DMSG("\n");
return -3;
}
return 1;
}
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