diff --git a/sonoff/language/bg-BG.h b/sonoff/language/bg-BG.h
index a490f8e6e..dec628ae1 100644
--- a/sonoff/language/bg-BG.h
+++ b/sonoff/language/bg-BG.h
@@ -553,6 +553,8 @@
#define D_SENSOR_MCP39F5_RST "MCP39F5 Rst"
#define D_SENSOR_CSE7766_TX "CSE7766 Tx"
#define D_SENSOR_CSE7766_RX "CSE7766 Rx"
+#define D_SENSOR_PN532_TX "PN532 Tx"
+#define D_SENSOR_PN532_RX "PN532 Rx"
// Units
#define D_UNIT_AMPERE "A"
diff --git a/sonoff/language/cs-CZ.h b/sonoff/language/cs-CZ.h
index b16ccf37f..d6c73baa9 100644
--- a/sonoff/language/cs-CZ.h
+++ b/sonoff/language/cs-CZ.h
@@ -553,6 +553,8 @@
#define D_SENSOR_MCP39F5_RST "MCP39F5 Rst"
#define D_SENSOR_CSE7766_TX "CSE7766 Tx"
#define D_SENSOR_CSE7766_RX "CSE7766 Rx"
+#define D_SENSOR_PN532_TX "PN532 Tx"
+#define D_SENSOR_PN532_RX "PN532 Rx"
// Units
#define D_UNIT_AMPERE "A"
diff --git a/sonoff/language/de-DE.h b/sonoff/language/de-DE.h
index 8ad86d173..a9d85ba3c 100644
--- a/sonoff/language/de-DE.h
+++ b/sonoff/language/de-DE.h
@@ -553,6 +553,8 @@
#define D_SENSOR_MCP39F5_RST "MCP39F5 Rst"
#define D_SENSOR_CSE7766_TX "CSE7766 Tx"
#define D_SENSOR_CSE7766_RX "CSE7766 Rx"
+#define D_SENSOR_PN532_TX "PN532 Tx"
+#define D_SENSOR_PN532_RX "PN532 Rx"
// Units
#define D_UNIT_AMPERE "A"
diff --git a/sonoff/language/el-GR.h b/sonoff/language/el-GR.h
index f5f281ca4..b6b9dfa9d 100644
--- a/sonoff/language/el-GR.h
+++ b/sonoff/language/el-GR.h
@@ -553,6 +553,8 @@
#define D_SENSOR_MCP39F5_RST "MCP39F5 Rst"
#define D_SENSOR_CSE7766_TX "CSE7766 Tx"
#define D_SENSOR_CSE7766_RX "CSE7766 Rx"
+#define D_SENSOR_PN532_TX "PN532 Tx"
+#define D_SENSOR_PN532_RX "PN532 Rx"
// Units
#define D_UNIT_AMPERE "A"
diff --git a/sonoff/language/en-GB.h b/sonoff/language/en-GB.h
index 7c03e76f4..0a85d6a8b 100644
--- a/sonoff/language/en-GB.h
+++ b/sonoff/language/en-GB.h
@@ -553,6 +553,8 @@
#define D_SENSOR_MCP39F5_RST "MCP39F5 Rst"
#define D_SENSOR_CSE7766_TX "CSE7766 Tx"
#define D_SENSOR_CSE7766_RX "CSE7766 Rx"
+#define D_SENSOR_PN532_TX "PN532 Tx"
+#define D_SENSOR_PN532_RX "PN532 Rx"
// Units
#define D_UNIT_AMPERE "A"
diff --git a/sonoff/language/es-AR.h b/sonoff/language/es-AR.h
index 73ec924c8..4503c4e57 100644
--- a/sonoff/language/es-AR.h
+++ b/sonoff/language/es-AR.h
@@ -553,6 +553,8 @@
#define D_SENSOR_MCP39F5_RST "MCP39F5 Rst"
#define D_SENSOR_CSE7766_TX "CSE7766 Tx"
#define D_SENSOR_CSE7766_RX "CSE7766 Rx"
+#define D_SENSOR_PN532_TX "PN532 Tx"
+#define D_SENSOR_PN532_RX "PN532 Rx"
// Units
#define D_UNIT_AMPERE "A"
diff --git a/sonoff/language/fr-FR.h b/sonoff/language/fr-FR.h
index 09b7ef831..89a863810 100644
--- a/sonoff/language/fr-FR.h
+++ b/sonoff/language/fr-FR.h
@@ -553,6 +553,8 @@
#define D_SENSOR_MCP39F5_RST "MCP39F5 Rst"
#define D_SENSOR_CSE7766_TX "CSE7766 Tx"
#define D_SENSOR_CSE7766_RX "CSE7766 Rx"
+#define D_SENSOR_PN532_TX "PN532 Tx"
+#define D_SENSOR_PN532_RX "PN532 Rx"
// Units
#define D_UNIT_AMPERE "A"
diff --git a/sonoff/language/he-HE.h b/sonoff/language/he-HE.h
index 64e6aeae3..7e2deacab 100644
--- a/sonoff/language/he-HE.h
+++ b/sonoff/language/he-HE.h
@@ -553,6 +553,8 @@
#define D_SENSOR_MCP39F5_RST "MCP39F5 Rst"
#define D_SENSOR_CSE7766_TX "CSE7766 Tx"
#define D_SENSOR_CSE7766_RX "CSE7766 Rx"
+#define D_SENSOR_PN532_TX "PN532 Tx"
+#define D_SENSOR_PN532_RX "PN532 Rx"
// Units
#define D_UNIT_AMPERE "A"
diff --git a/sonoff/language/hu-HU.h b/sonoff/language/hu-HU.h
index 6a6a21020..a7db58513 100644
--- a/sonoff/language/hu-HU.h
+++ b/sonoff/language/hu-HU.h
@@ -553,6 +553,8 @@
#define D_SENSOR_MCP39F5_RST "MCP39F5 Rst"
#define D_SENSOR_CSE7766_TX "CSE7766 Tx"
#define D_SENSOR_CSE7766_RX "CSE7766 Rx"
+#define D_SENSOR_PN532_TX "PN532 Tx"
+#define D_SENSOR_PN532_RX "PN532 Rx"
// Units
#define D_UNIT_AMPERE "A"
diff --git a/sonoff/language/it-IT.h b/sonoff/language/it-IT.h
index 145b6064c..a5ffca743 100644
--- a/sonoff/language/it-IT.h
+++ b/sonoff/language/it-IT.h
@@ -553,6 +553,8 @@
#define D_SENSOR_MCP39F5_RST "MCP39F5 Rst"
#define D_SENSOR_CSE7766_TX "CSE7766 Tx"
#define D_SENSOR_CSE7766_RX "CSE7766 Rx"
+#define D_SENSOR_PN532_TX "PN532 Tx"
+#define D_SENSOR_PN532_RX "PN532 Rx"
// Units
#define D_UNIT_AMPERE "A"
diff --git a/sonoff/language/nl-NL.h b/sonoff/language/nl-NL.h
index cef56fb2e..773442714 100644
--- a/sonoff/language/nl-NL.h
+++ b/sonoff/language/nl-NL.h
@@ -553,6 +553,8 @@
#define D_SENSOR_MCP39F5_RST "MCP39F5 Rst"
#define D_SENSOR_CSE7766_TX "CSE7766 Tx"
#define D_SENSOR_CSE7766_RX "CSE7766 Rx"
+#define D_SENSOR_PN532_TX "PN532 Tx"
+#define D_SENSOR_PN532_RX "PN532 Rx"
// Units
#define D_UNIT_AMPERE "A"
diff --git a/sonoff/language/pl-PL.h b/sonoff/language/pl-PL.h
index dba0726e4..63a15c5a5 100644
--- a/sonoff/language/pl-PL.h
+++ b/sonoff/language/pl-PL.h
@@ -553,6 +553,8 @@
#define D_SENSOR_MCP39F5_RST "MCP39F5 Rst"
#define D_SENSOR_CSE7766_TX "CSE7766 Tx"
#define D_SENSOR_CSE7766_RX "CSE7766 Rx"
+#define D_SENSOR_PN532_TX "PN532 Tx"
+#define D_SENSOR_PN532_RX "PN532 Rx"
// Units
#define D_UNIT_AMPERE "A"
diff --git a/sonoff/language/pt-BR.h b/sonoff/language/pt-BR.h
index f8d037e83..1b0c34b16 100644
--- a/sonoff/language/pt-BR.h
+++ b/sonoff/language/pt-BR.h
@@ -553,6 +553,8 @@
#define D_SENSOR_MCP39F5_RST "MCP39F5 Rst"
#define D_SENSOR_CSE7766_TX "CSE7766 Tx"
#define D_SENSOR_CSE7766_RX "CSE7766 Rx"
+#define D_SENSOR_PN532_TX "PN532 Tx"
+#define D_SENSOR_PN532_RX "PN532 Rx"
// Units
#define D_UNIT_AMPERE "A"
diff --git a/sonoff/language/pt-PT.h b/sonoff/language/pt-PT.h
index aeed10329..b969449d2 100644
--- a/sonoff/language/pt-PT.h
+++ b/sonoff/language/pt-PT.h
@@ -553,6 +553,8 @@
#define D_SENSOR_MCP39F5_RST "MCP39F5 Rst"
#define D_SENSOR_CSE7766_TX "CSE7766 Tx"
#define D_SENSOR_CSE7766_RX "CSE7766 Rx"
+#define D_SENSOR_PN532_TX "PN532 Tx"
+#define D_SENSOR_PN532_RX "PN532 Rx"
// Units
#define D_UNIT_AMPERE "A"
diff --git a/sonoff/language/ru-RU.h b/sonoff/language/ru-RU.h
index aaa457ec7..b2ad0a1d8 100644
--- a/sonoff/language/ru-RU.h
+++ b/sonoff/language/ru-RU.h
@@ -553,6 +553,8 @@
#define D_SENSOR_MCP39F5_RST "MCP39F5 Rst"
#define D_SENSOR_CSE7766_TX "CSE7766 Tx"
#define D_SENSOR_CSE7766_RX "CSE7766 Rx"
+#define D_SENSOR_PN532_TX "PN532 Tx"
+#define D_SENSOR_PN532_RX "PN532 Rx"
// Units
#define D_UNIT_AMPERE "А"
diff --git a/sonoff/language/sk-SK.h b/sonoff/language/sk-SK.h
index e1ecafd63..49430c31e 100644
--- a/sonoff/language/sk-SK.h
+++ b/sonoff/language/sk-SK.h
@@ -553,6 +553,8 @@
#define D_SENSOR_MCP39F5_RST "MCP39F5 Rst"
#define D_SENSOR_CSE7766_TX "CSE7766 Tx"
#define D_SENSOR_CSE7766_RX "CSE7766 Rx"
+#define D_SENSOR_PN532_TX "PN532 Tx"
+#define D_SENSOR_PN532_RX "PN532 Rx"
// Units
#define D_UNIT_AMPERE "A"
diff --git a/sonoff/language/sv-SE.h b/sonoff/language/sv-SE.h
index 5a7934d71..61ab33b57 100644
--- a/sonoff/language/sv-SE.h
+++ b/sonoff/language/sv-SE.h
@@ -553,6 +553,8 @@
#define D_SENSOR_MCP39F5_RST "MCP39F5 Rst"
#define D_SENSOR_CSE7766_TX "CSE7766 Tx"
#define D_SENSOR_CSE7766_RX "CSE7766 Rx"
+#define D_SENSOR_PN532_TX "PN532 Tx"
+#define D_SENSOR_PN532_RX "PN532 Rx"
// Units
#define D_UNIT_AMPERE "A"
diff --git a/sonoff/language/tr-TR.h b/sonoff/language/tr-TR.h
index 344e65b58..cfad17ca0 100755
--- a/sonoff/language/tr-TR.h
+++ b/sonoff/language/tr-TR.h
@@ -553,6 +553,8 @@
#define D_SENSOR_MCP39F5_RST "MCP39F5 Rst"
#define D_SENSOR_CSE7766_TX "CSE7766 Tx"
#define D_SENSOR_CSE7766_RX "CSE7766 Rx"
+#define D_SENSOR_PN532_TX "PN532 Tx"
+#define D_SENSOR_PN532_RX "PN532 Rx"
// Units
#define D_UNIT_AMPERE "A"
diff --git a/sonoff/language/uk-UK.h b/sonoff/language/uk-UK.h
index be8f0530a..ce72f093f 100644
--- a/sonoff/language/uk-UK.h
+++ b/sonoff/language/uk-UK.h
@@ -553,6 +553,8 @@
#define D_SENSOR_MCP39F5_RST "MCP39F5 Rst"
#define D_SENSOR_CSE7766_TX "CSE7766 Tx"
#define D_SENSOR_CSE7766_RX "CSE7766 Rx"
+#define D_SENSOR_PN532_TX "PN532 Tx"
+#define D_SENSOR_PN532_RX "PN532 Rx"
// Units
#define D_UNIT_AMPERE "А"
diff --git a/sonoff/language/zh-CN.h b/sonoff/language/zh-CN.h
index fbdc82207..a022f7939 100644
--- a/sonoff/language/zh-CN.h
+++ b/sonoff/language/zh-CN.h
@@ -553,6 +553,8 @@
#define D_SENSOR_MCP39F5_RST "MCP39F5 Rst"
#define D_SENSOR_CSE7766_TX "CSE7766 Tx"
#define D_SENSOR_CSE7766_RX "CSE7766 Rx"
+#define D_SENSOR_PN532_TX "PN532 Tx"
+#define D_SENSOR_PN532_RX "PN532 Rx"
// Units
#define D_UNIT_AMPERE "安"
diff --git a/sonoff/language/zh-TW.h b/sonoff/language/zh-TW.h
index 008c33a10..06274c41b 100644
--- a/sonoff/language/zh-TW.h
+++ b/sonoff/language/zh-TW.h
@@ -553,6 +553,8 @@
#define D_SENSOR_MCP39F5_RST "MCP39F5 Rst"
#define D_SENSOR_CSE7766_TX "CSE7766 Tx"
#define D_SENSOR_CSE7766_RX "CSE7766 Rx"
+#define D_SENSOR_PN532_TX "PN532 Tx"
+#define D_SENSOR_PN532_RX "PN532 Rx"
// Units
#define D_UNIT_AMPERE "安"
diff --git a/sonoff/my_user_config.h b/sonoff/my_user_config.h
index c9c6505d5..c719f3c40 100644
--- a/sonoff/my_user_config.h
+++ b/sonoff/my_user_config.h
@@ -326,9 +326,6 @@
// #define USE_DS3231 // Enable DS3231 external RTC in case no Wifi is avaliable. See docs in the source file (+1k2 code)
// #define USE_RTC_ADDR 0x68 // Default I2C address 0x68
// #define USE_MGC3130 // Enable MGC3130 Electric Field Effect Sensor (I2C address 0x42) (+2k7 code, 0k3 mem)
-// #define USE_PN532_I2C // Enable PN532 - Near Field Communication (NFC) controller (+1k7 code, 164 bytes of mem)
-// #define USE_PN532_DATA_FUNCTION // Enable PN532 DATA Usage using Sensor15 command (+1k6 code, 316 bytes of mem)
-// #define USE_PN532_CAUSE_EVENTS // Enable PN532 driver to cause event's on card read in addition to immediate telemetry (+64 bytes code, 48 bytes mem)
// #define USE_MAX44009 // Enable MAX44009 Ambient Light sensor (I2C addresses 0x4A and 0x4B) (+0k8 code)
// #define USE_DISPLAY // Add I2C Display Support (+2k code)
@@ -378,6 +375,9 @@
#define USE_ARMTRONIX_DIMMERS // Add support for Armtronix Dimmers (+1k4 code)
#define USE_PS_16_DZ // Add support for PS-16-DZ Dimmer
//#define USE_AZ7798 // Add support for AZ-Instrument 7798 CO2 datalogger (+1k6 code)
+//#define USE_PN532_HSU // Add support for PN532 using HSU (Serial) interface (+1k8 code, 140 bytes mem)
+// #define USE_PN532_DATA_FUNCTION // Add sensor40 command support for erase, setting data block content (+1k7 code, 388 bytes mem)
+// #define USE_PN532_DATA_RAW // Allow DATA block to be used by non-alpha-numberic data (+ 80 bytes code, 48 bytes ram)
// Power monitoring sensors -----------------------
#define USE_PZEM004T // Add support for PZEM004T Energy monitor (+2k code)
diff --git a/sonoff/sonoff_template.h b/sonoff/sonoff_template.h
index 1e5e1a573..ff2ba6401 100644
--- a/sonoff/sonoff_template.h
+++ b/sonoff/sonoff_template.h
@@ -162,6 +162,8 @@ enum UserSelectablePins {
GPIO_MCP39F5_TX, // MCP39F501 Serial interface (Shelly2)
GPIO_MCP39F5_RX, // MCP39F501 Serial interface (Shelly2)
GPIO_MCP39F5_RST, // MCP39F501 Reset (Shelly2)
+ GPIO_PN532_RXD, // PN532 NFC Serial Rx
+ GPIO_PN532_TXD, // PN532 NFC Serial Tx
GPIO_SENSOR_END };
// Programmer selectable GPIO functionality offset by user selectable GPIOs
@@ -227,6 +229,7 @@ const char kSensorNames[] PROGMEM =
D_SENSOR_BUTTON "1in|" D_SENSOR_BUTTON "2in|" D_SENSOR_BUTTON "3in|" D_SENSOR_BUTTON "4in|"
D_SENSOR_NRG_SEL "|" D_SENSOR_NRG_SEL "i|" D_SENSOR_NRG_CF1 "|" D_SENSOR_HLW_CF "|" D_SENSOR_HJL_CF "|"
D_SENSOR_MCP39F5_TX "|" D_SENSOR_MCP39F5_RX "|" D_SENSOR_MCP39F5_RST
+ D_SENSOR_PN532_TX "|" D_SENSOR_PN532_RX
;
/********************************************************************************************/
@@ -546,6 +549,10 @@ const uint8_t kGpioNiceList[] PROGMEM = {
GPIO_MAX31855CLK, // MAX31855 Serial interface
GPIO_MAX31855DO, // MAX31855 Serial interface
#endif
+#ifdef USE_PN532_HSU
+ GPIO_PN532_RXD, // PN532 HSU Rx
+ GPIO_PN532_TXD, // PN532 HSU Tx
+#endif
};
const uint8_t kModuleNiceList[MAXMODULE] PROGMEM = {
diff --git a/sonoff/xsns_40_pn532.ino b/sonoff/xsns_40_pn532.ino
new file mode 100644
index 000000000..af00720b2
--- /dev/null
+++ b/sonoff/xsns_40_pn532.ino
@@ -0,0 +1,615 @@
+/*
+ xsns_40_pn532.ino - Support for PN532 (HSU) NFC Tag Reader
+
+ Copyright (C) 2019 Andre Thomas and Theo Arends
+
+ This program is free software: you can redistribute it and/or modify
+ it under the terms of the GNU General Public License as published by
+ the Free Software Foundation, either version 3 of the License, or
+ (at your option) any later version.
+
+ This program is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ GNU General Public License for more details.
+
+ You should have received a copy of the GNU General Public License
+ along with this program. If not, see .
+*/
+
+#ifdef USE_PN532_HSU
+
+#define XSNS_40 40
+
+#include
+
+TasmotaSerial *PN532_Serial;
+
+#define PN532_INVALID_ACK -1
+#define PN532_TIMEOUT -2
+#define PN532_INVALID_FRAME -3
+#define PN532_NO_SPACE -4
+
+#define PN532_PREAMBLE 0x00
+#define PN532_STARTCODE1 0x00
+#define PN532_STARTCODE2 0xFF
+#define PN532_POSTAMBLE 0x00
+
+#define PN532_HOSTTOPN532 0xD4
+#define PN532_PN532TOHOST 0xD5
+
+#define PN532_ACK_WAIT_TIME 0x0A
+
+#define PN532_COMMAND_GETFIRMWAREVERSION 0x02
+#define PN532_COMMAND_SAMCONFIGURATION 0x14
+#define PN532_COMMAND_RFCONFIGURATION 0x32
+#define PN532_COMMAND_INDATAEXCHANGE 0x40
+#define PN532_COMMAND_INLISTPASSIVETARGET 0x4A
+
+#define PN532_MIFARE_ISO14443A 0x00
+#define MIFARE_CMD_READ 0x30
+#define MIFARE_CMD_AUTH_A 0x60
+#define MIFARE_CMD_AUTH_B 0x61
+#define MIFARE_CMD_WRITE 0xA0
+
+uint8_t pn532_model = 0; // Used to maintain detection flag
+uint8_t pn532_command = 0; // Used to carry command code between functions
+uint8_t pn532_scantimer = 0; // Used to prevent multiple successful reads within 2 second window
+
+uint8_t pn532_packetbuffer[64]; // Global buffer used to store packet
+
+#ifdef USE_PN532_DATA_FUNCTION
+uint8_t pn532_function = 0;
+uint8_t pn532_newdata[16];
+uint8_t pn532_newdata_len = 0;
+#endif // USE_PN532_DATA_FUNCTION
+
+void PN532_Init(void)
+{
+ if ((pin[GPIO_PN532_RXD] < 99) && (pin[GPIO_PN532_TXD] < 99)) {
+ PN532_Serial = new TasmotaSerial(pin[GPIO_PN532_RXD], pin[GPIO_PN532_TXD], 1);
+ if (PN532_Serial->begin(115200)) {
+ if (PN532_Serial->hardwareSerial()) { ClaimSerial(); }
+ PN532_wakeup();
+ uint32_t ver = PN532_getFirmwareVersion();
+ if (ver) {
+ PN532_setPassiveActivationRetries(0xFF);
+ PN532_SAMConfig();
+ pn532_model = 1;
+ snprintf_P(log_data, sizeof(log_data),"NFC: PN532 NFC Reader detected (V%u.%u)",(ver>>16) & 0xFF, (ver>>8) & 0xFF);
+ AddLog(LOG_LEVEL_INFO);
+ }
+ }
+ }
+}
+
+int8_t PN532_receive(uint8_t *buf, int len, uint16_t timeout)
+{
+ int read_bytes = 0;
+ int ret;
+ unsigned long start_millis;
+ while (read_bytes < len) {
+ start_millis = millis();
+ do {
+ ret = PN532_Serial->read();
+ if (ret >= 0) {
+ break;
+ }
+ } while((timeout == 0) || ((millis()- start_millis ) < timeout));
+
+ if (ret < 0) {
+ if (read_bytes) {
+ return read_bytes;
+ } else {
+ return PN532_TIMEOUT;
+ }
+ }
+ buf[read_bytes] = (uint8_t)ret;
+ read_bytes++;
+ }
+ return read_bytes;
+}
+
+int8_t PN532_readAckFrame(void)
+{
+ const uint8_t PN532_ACK[] = {0, 0, 0xFF, 0, 0xFF, 0};
+ uint8_t ackBuf[sizeof(PN532_ACK)];
+
+ if (PN532_receive(ackBuf, sizeof(PN532_ACK), PN532_ACK_WAIT_TIME) <= 0) {
+ return PN532_TIMEOUT;
+ }
+
+ if (memcmp(&ackBuf, &PN532_ACK, sizeof(PN532_ACK))) {
+ return PN532_INVALID_ACK;
+ }
+ return 0;
+}
+
+int8_t PN532_writeCommand(const uint8_t *header, uint8_t hlen, const uint8_t *body = 0, uint8_t blen = 0)
+{
+ // Clear the serial buffer just in case
+ while(PN532_Serial->available()) { PN532_Serial->read(); }
+
+ pn532_command = header[0];
+ PN532_Serial->write((uint8_t)PN532_PREAMBLE);
+ PN532_Serial->write((uint8_t)PN532_STARTCODE1);
+ PN532_Serial->write(PN532_STARTCODE2);
+
+ uint8_t length = hlen + blen + 1; // length of data field: TFI + DATA
+ PN532_Serial->write(length);
+ PN532_Serial->write(~length + 1); // checksum of length
+
+ PN532_Serial->write(PN532_HOSTTOPN532);
+ uint8_t sum = PN532_HOSTTOPN532; // sum of TFI + DATA
+
+ PN532_Serial->write(header, hlen);
+ for (uint8_t i = 0; i < hlen; i++) {
+ sum += header[i];
+ }
+
+ PN532_Serial->write(body, blen);
+ for (uint8_t i = 0; i < blen; i++) {
+ sum += body[i];
+ }
+
+ uint8_t checksum = ~sum + 1; // checksum of TFI + DATA
+ PN532_Serial->write(checksum);
+ PN532_Serial->write((uint8_t)PN532_POSTAMBLE);
+
+ return PN532_readAckFrame();
+}
+
+int16_t PN532_readResponse(uint8_t buf[], uint8_t len, uint16_t timeout = 50)
+{
+ uint8_t tmp[3];
+
+ // Read preamble and start code
+ if (PN532_receive(tmp, 3, timeout)<=0) {
+ return PN532_TIMEOUT;
+ }
+ if (0 != tmp[0] || 0!= tmp[1] || 0xFF != tmp[2]) {
+ return PN532_INVALID_FRAME;
+ }
+
+ // Get length of data to be received
+ uint8_t length[2];
+ if (PN532_receive(length, 2, timeout) <= 0) {
+ return PN532_TIMEOUT;
+ }
+ // Validate that frame is valid
+ if (0 != (uint8_t)(length[0] + length[1])) {
+ return PN532_INVALID_FRAME;
+ }
+ length[0] -= 2;
+ if (length[0] > len) { // If this happens, then pn532_packetbuffer is not large enough
+ return PN532_NO_SPACE;
+ }
+
+ // Get the command byte
+ uint8_t cmd = pn532_command + 1;
+ if (PN532_receive(tmp, 2, timeout) <= 0) { // Time out while receiving
+ return PN532_TIMEOUT;
+ }
+ if (PN532_PN532TOHOST != tmp[0] || cmd != tmp[1]) { // Invalid frame received
+ return PN532_INVALID_FRAME;
+ }
+
+ if (PN532_receive(buf, length[0], timeout) != length[0]) { // Timed out
+ return PN532_TIMEOUT;
+ }
+
+ uint8_t sum = PN532_PN532TOHOST + cmd;
+ for (uint8_t i=0; i 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;
+}
+
+void PN532_wakeup(void)
+{
+ uint8_t wakeup[5] = {0x55, 0x55, 0, 0, 0 };
+ PN532_Serial->write(wakeup,sizeof(wakeup));
+
+ // Flush the serial buffer just in case there's garbage in there
+ while(PN532_Serial->available()) { PN532_Serial->read(); }
+}
+
+bool PN532_readPassiveTargetID(uint8_t cardbaudrate, uint8_t *uid, uint8_t *uidLength, uint16_t timeout = 50)
+{
+ 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 (PN532_writeCommand(pn532_packetbuffer, 3)) {
+ return 0x0; // command failed
+ }
+ // read data packet
+ if (PN532_readResponse(pn532_packetbuffer, sizeof(pn532_packetbuffer), timeout) < 0) {
+ return 0x0;
+ }
+
+ /* Check some basic stuff
+ 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];
+
+ /* 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;
+}
+
+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 (PN532_writeCommand(pn532_packetbuffer, 5)) {
+ return 0; // no ACK
+ }
+ return (0 < PN532_readResponse(pn532_packetbuffer, sizeof(pn532_packetbuffer)));
+}
+
+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] = 0x00; // we don't need the external IRQ pin
+ if (PN532_writeCommand(pn532_packetbuffer, 4)) {
+ return false;
+ }
+ return (0 < PN532_readResponse(pn532_packetbuffer, sizeof(pn532_packetbuffer)));
+}
+
+#ifdef USE_PN532_DATA_FUNCTION
+
+uint8_t mifareclassic_AuthenticateBlock (uint8_t *uid, uint8_t uidLen, uint32_t blockNumber, uint8_t keyNumber, uint8_t *keyData)
+{
+ uint8_t i;
+ uint8_t _key[6];
+ uint8_t _uid[7];
+ uint8_t _uidLen;
+
+ // 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 (PN532_writeCommand(pn532_packetbuffer, 10 + _uidLen)) { return 0; }
+
+ // Read the response packet
+ PN532_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) {
+ // Authentification failed
+ return 0;
+ }
+
+ return 1;
+}
+
+uint8_t mifareclassic_ReadDataBlock (uint8_t blockNumber, uint8_t *data)
+{
+ /* 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 (PN532_writeCommand(pn532_packetbuffer, 4)) {
+ return 0;
+ }
+
+ /* Read the response packet */
+ PN532_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;
+}
+
+uint8_t 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 (PN532_writeCommand(pn532_packetbuffer, 20)) {
+ return 0;
+ }
+
+ /* Read the response packet */
+ return (0 < PN532_readResponse(pn532_packetbuffer, sizeof(pn532_packetbuffer)));
+}
+
+#endif // USE_PN532_DATA_FUNCTION
+
+void PN532_ScanForTag(void)
+{
+ if (!pn532_model) { return; }
+ uint8_t uid[] = { 0, 0, 0, 0, 0, 0, 0 };
+ uint8_t uid_len = 0;
+ uint8_t card_data[16];
+ bool erase_success = false;
+ bool set_success = false;
+ if (PN532_readPassiveTargetID(PN532_MIFARE_ISO14443A, uid, &uid_len)) {
+ char uids[15];
+
+#ifdef USE_PN532_DATA_FUNCTION
+ char card_datas[34];
+#endif // USE_PN532_DATA_FUNCTION
+
+ sprintf(uids,"");
+ for (uint8_t i = 0;i < uid_len;i++) {
+ sprintf(uids,"%s%02X",uids,uid[i]);
+ }
+
+#ifdef USE_PN532_DATA_FUNCTION
+ if (uid_len == 4) { // Lets try to read block 1 of the mifare classic card for more information
+ uint8_t keyuniversal[6] = { 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF };
+ if (mifareclassic_AuthenticateBlock (uid, uid_len, 1, 1, keyuniversal)) {
+ if (mifareclassic_ReadDataBlock(1, card_data)) {
+#ifdef USE_PN532_DATA_RAW
+ memcpy(&card_datas,&card_data,sizeof(card_data));
+#else
+ for (uint8_t i = 0;i < sizeof(card_data);i++) {
+ if ((isalpha(card_data[i])) || ((isdigit(card_data[i])))) {
+ card_datas[i] = char(card_data[i]);
+ } else {
+ card_datas[i] = '\0';
+ }
+ }
+#endif // USE_PN532_DATA_RAW
+ }
+ if (pn532_function == 1) { // erase block 1 of card
+ for (uint8_t i = 0;i<16;i++) {
+ card_data[i] = 0x00;
+ }
+ if (mifareclassic_WriteDataBlock(1, card_data)) {
+ erase_success = true;
+ snprintf_P(log_data, sizeof(log_data),"NFC: PN532 NFC - Erase success");
+ AddLog(LOG_LEVEL_INFO);
+ memcpy(&card_datas,&card_data,sizeof(card_data)); // Cast block 1 to a string
+ }
+ }
+ if (pn532_function == 2) {
+#ifdef USE_PN532_DATA_RAW
+ memcpy(&card_data,&pn532_newdata,sizeof(card_data));
+ if (mifareclassic_WriteDataBlock(1, card_data)) {
+ set_success = true;
+ snprintf_P(log_data, sizeof(log_data),"NFC: PN532 NFC - Data write successful");
+ AddLog(LOG_LEVEL_INFO);
+ memcpy(&card_datas,&card_data,sizeof(card_data)); // Cast block 1 to a string
+ }
+#else
+ bool IsAlphaNumeric = true;
+ for (uint8_t i = 0;i < pn532_newdata_len;i++) {
+ if ((!isalpha(pn532_newdata[i])) && (!isdigit(pn532_newdata[i]))) {
+ IsAlphaNumeric = false;
+ }
+ }
+ if (IsAlphaNumeric) {
+ memcpy(&card_data,&pn532_newdata,pn532_newdata_len);
+ card_data[pn532_newdata_len] = '\0'; // Enforce null termination
+ if (mifareclassic_WriteDataBlock(1, card_data)) {
+ set_success = true;
+ snprintf_P(log_data, sizeof(log_data),"NFC: PN532 NFC - Data write successful");
+ AddLog(LOG_LEVEL_INFO);
+ memcpy(&card_datas,&card_data,sizeof(card_data)); // Cast block 1 to a string
+ }
+ } else {
+ snprintf_P(log_data, sizeof(log_data),"NFC: PN532 NFC - Data must be alphanumeric");
+ AddLog(LOG_LEVEL_INFO);
+ }
+#endif // USE_PN532_DATA_RAW
+ }
+ } else {
+ sprintf(card_datas,"AUTHFAIL");
+ }
+ }
+ switch (pn532_function) {
+ case 0x01:
+ if (!erase_success) {
+ snprintf_P(log_data, sizeof(log_data),"NFC: PN532 NFC - Erase fail - exiting erase mode");
+ AddLog(LOG_LEVEL_INFO);
+ }
+ break;
+ case 0x02:
+ if (!set_success) {
+ snprintf_P(log_data, sizeof(log_data),"NFC: PN532 NFC - Write failed - exiting set mode");
+ AddLog(LOG_LEVEL_INFO);
+ }
+ default:
+ break;
+ }
+ pn532_function = 0;
+#endif // USE_PN532_DATA_FUNCTION
+
+ snprintf_P(mqtt_data, sizeof(mqtt_data), PSTR("{\"" D_JSON_TIME "\":\"%s\""), GetDateAndTime(DT_LOCAL).c_str());
+
+#ifdef USE_PN532_DATA_FUNCTION
+ snprintf_P(mqtt_data, sizeof(mqtt_data), PSTR("%s,\"PN532\":{\"UID\":\"%s\", \"DATA\":\"%s\"}}"), mqtt_data, uids, card_datas);
+#else
+ snprintf_P(mqtt_data, sizeof(mqtt_data), PSTR("%s,\"PN532\":{\"UID\":\"%s\"}}"), mqtt_data, uids);
+#endif // USE_PN532_DATA_FUNCTION
+
+ MqttPublishPrefixTopic_P(TELE, PSTR(D_RSLT_SENSOR), Settings.flag.mqtt_sensor_retain);
+
+#ifdef USE_PN532_CAUSE_EVENTS
+
+ char command[71];
+#ifdef USE_PN532_DATA_FUNCTION
+ sprintf(command,"backlog event PN532_UID=%s;event PN532_DATA=%s",uids,card_datas);
+#else
+ sprintf(command,"event PN532_UID=%s",uids);
+#endif // USE_PN532_DATA_FUNCTION
+ ExecuteCommand(command, SRC_RULE);
+#endif // USE_PN532_CAUSE_EVENTS
+
+ pn532_scantimer = 7; // Ignore tags found for two seconds
+ }
+}
+
+#ifdef USE_PN532_DATA_FUNCTION
+
+bool PN532_Command(void)
+{
+ bool serviced = true;
+ uint8_t paramcount = 0;
+ if (XdrvMailbox.data_len > 0) {
+ paramcount=1;
+ } else {
+ serviced = false;
+ return serviced;
+ }
+ char sub_string[XdrvMailbox.data_len];
+ char sub_string_tmp[XdrvMailbox.data_len];
+ for (uint8_t ca=0;ca 1) {
+ if (XdrvMailbox.data[XdrvMailbox.data_len-1] == ',') {
+ serviced = false;
+ return serviced;
+ }
+ sprintf(sub_string_tmp,subStr(sub_string, XdrvMailbox.data, ",", 2));
+ pn532_newdata_len = strlen(sub_string_tmp);
+ if (pn532_newdata_len > 15) { pn532_newdata_len = 15; }
+ memcpy(&pn532_newdata,&sub_string_tmp,pn532_newdata_len);
+ pn532_newdata[pn532_newdata_len] = 0x00; // Null terminate the string
+ pn532_function = 2;
+ snprintf_P(log_data, sizeof(log_data),"NFC: PN532 NFC - Next scanned tag data block 1 will be set to '%s'",pn532_newdata);
+ AddLog(LOG_LEVEL_INFO);
+ snprintf_P(mqtt_data, sizeof(mqtt_data), PSTR("{\"" D_JSON_TIME "\":\"%s\""), GetDateAndTime(DT_LOCAL).c_str());
+ snprintf_P(mqtt_data, sizeof(mqtt_data), PSTR("%s,\"PN532\":{\"COMMAND\":\"S\"\"}}"), mqtt_data);
+ return serviced;
+ }
+ }
+}
+
+#endif // USE_PN532_DATA_FUNCTION
+
+bool Xsns40(uint8_t function)
+{
+ bool result = false;
+
+ switch (function) {
+ case FUNC_INIT:
+ PN532_Init();
+ result = true;
+ break;
+ case FUNC_EVERY_50_MSECOND:
+ break;
+ case FUNC_EVERY_100_MSECOND:
+ break;
+ case FUNC_EVERY_250_MSECOND:
+ if (pn532_scantimer > 0) {
+ pn532_scantimer--;
+ } else {
+ PN532_ScanForTag();
+ }
+ break;
+ case FUNC_EVERY_SECOND:
+ break;
+#ifdef USE_PN532_DATA_FUNCTION
+ case FUNC_COMMAND:
+ if (XSNS_40 == XdrvMailbox.index) {
+ result = PN532_Command();
+ }
+ break;
+#endif
+ }
+ return result;
+}
+
+#endif // USE_PN532_HSU
diff --git a/sonoff/xsns_40_pn532_i2c.ino b/sonoff/xsns_40_pn532_i2c.ino
deleted file mode 100644
index 640e21c6e..000000000
--- a/sonoff/xsns_40_pn532_i2c.ino
+++ /dev/null
@@ -1,606 +0,0 @@
-/*
- xsns_40_pn532.ino - Support for PN532 (I2C) NFC Tag Reader
-
- Copyright (C) 2019 Andre Thomas and Theo Arends
-
- This program is free software: you can redistribute it and/or modify
- it under the terms of the GNU General Public License as published by
- the Free Software Foundation, either version 3 of the License, or
- (at your option) any later version.
-
- This program is distributed in the hope that it will be useful,
- but WITHOUT ANY WARRANTY; without even the implied warranty of
- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- GNU General Public License for more details.
-
- You should have received a copy of the GNU General Public License
- along with this program. If not, see .
-*/
-
-#ifdef USE_I2C
-#ifdef USE_PN532_I2C
-
-/*********************************************************************************************\
- * PN532 - Near Field Communication (NFC) controller
- *
- * Datasheet at https://www.nxp.com/docs/en/nxp/data-sheets/PN532_C1.pdf
- *
- * I2C Address: 0x24
-\*********************************************************************************************/
-
-#define XSNS_40 40
-
-#define PN532_I2C_ADDRESS 0x24
-
-#define PN532_COMMAND_GETFIRMWAREVERSION 0x02
-#define PN532_COMMAND_SAMCONFIGURATION 0x14
-#define PN532_COMMAND_INDATAEXCHANGE 0x40
-#define PN532_COMMAND_INLISTPASSIVETARGET 0x4A
-
-#define MIFARE_CMD_READ 0x30
-#define MIFARE_CMD_AUTH_A 0x60
-#define MIFARE_CMD_AUTH_B 0x61
-#define MIFARE_CMD_WRITE 0xA0
-
-#define PN532_PREAMBLE 0x00
-#define PN532_STARTCODE1 0x00
-#define PN532_STARTCODE2 0xFF
-#define PN532_POSTAMBLE 0x00
-
-#define PN532_HOSTTOPN532 0xD4
-#define PN532_PN532TOHOST 0xD5
-
-#define PN532_INVALID_ACK -1
-#define PN532_TIMEOUT -2
-#define PN532_INVALID_FRAME -3
-#define PN532_NO_SPACE -4
-
-#define PN532_MIFARE_ISO14443A 0x00
-
-uint8_t pn532_i2c_detected = 0;
-uint8_t pn532_i2c_packetbuffer[64];
-uint8_t pn532_i2c_scan_defer_report = 0; // If a valid card was found we will not scan for one again in the same two seconds so we set this to 19 if a card was found
-uint8_t pn532_i2c_command = 0;
-
-uint8_t pn532_i2c_disable = 0;
-
-#ifdef USE_PN532_DATA_FUNCTION
-uint8_t pn532_i2c_function = 0;
-uint8_t pn532_i2c_newdata[16];
-uint8_t pn532_i2c_newdata_len = 0;
-#endif // USE_PN532_DATA_FUNCTION
-
-const uint8_t PROGMEM pn532_global_timeout = 10;
-
-int16_t PN532_getResponseLength(uint8_t buf[], uint8_t len) {
- const uint8_t PN532_NACK[] = {0, 0, 0xFF, 0xFF, 0, 0};
- uint8_t time = 0;
- do {
- if (Wire.requestFrom(PN532_I2C_ADDRESS, 6)) {
- if (Wire.read() & 1) { // check first byte --- status
- break; // PN532 is ready
- }
- }
- delay(1);
- time++;
- if (time > pn532_global_timeout) {
- return -1;
- }
- } while (1);
-
- if ((0x00 != Wire.read()) || (0x00 != Wire.read()) || (0xFF != Wire.read())) { // PREAMBLE || STARTCODE1 || STARTCODE2
- return PN532_INVALID_FRAME;
- }
-
- uint8_t length = Wire.read();
-
- // request for last respond msg again
- Wire.beginTransmission(PN532_I2C_ADDRESS);
- for (uint16_t i = 0;i < sizeof(PN532_NACK); ++i) {
- Wire.write(PN532_NACK[i]);
- }
- Wire.endTransmission();
- return length;
-}
-
-
-int16_t PN532_readResponse(uint8_t buf[], uint8_t len)
-{
- uint8_t time = 0;
- uint8_t length;
-
- length = PN532_getResponseLength(buf, len);
-
- // [RDY] 00 00 FF LEN LCS (TFI PD0 ... PDn) DCS 00
-
- do {
- if (Wire.requestFrom(PN532_I2C_ADDRESS, 6 + length + 2)) {
- if (Wire.read() & 1) { // check first byte --- status
- break; // PN532 is ready
- }
- }
- delay(1);
- time++;
- if (time > pn532_global_timeout) {
- return -1;
- }
- } while (1);
-
- if ((0x00 != Wire.read()) || (0x00 != Wire.read()) || (0xFF != Wire.read())) { // PREAMBLE || STARTCODE1 || STARTCODE2
- return PN532_INVALID_FRAME;
- }
-
- length = Wire.read();
-
- if (0 != (uint8_t)(length + Wire.read())) { // checksum of length
- return PN532_INVALID_FRAME;
- }
-
- uint8_t cmd = pn532_i2c_command + 1; // response command
- if ((PN532_PN532TOHOST != Wire.read()) || ((cmd) != Wire.read())) {
- return PN532_INVALID_FRAME;
- }
- length -= 2;
- if (length > len) {
- return PN532_NO_SPACE; // not enough space
- }
- uint8_t sum = PN532_PN532TOHOST + cmd;
- for (uint8_t i = 0; i < length; i++) {
- buf[i] = Wire.read();
- sum += buf[i];
- }
- uint8_t checksum = Wire.read();
- if (0 != (uint8_t)(sum + checksum)) {
- return PN532_INVALID_FRAME;
- }
- Wire.read(); // POSTAMBLE
- return length;
-}
-
-
-int8_t PN532_readAckFrame(void)
-{
- const uint8_t PN532_ACK[] = {0, 0, 0xFF, 0, 0xFF, 0};
- uint8_t ackBuf[sizeof(PN532_ACK)];
-
- uint8_t time = 0;
-
- do {
- if (Wire.requestFrom(PN532_I2C_ADDRESS, sizeof(PN532_ACK) + 1)) {
- if (Wire.read() & 1) { // check first byte --- status
- break; // PN532 is ready
- }
- }
- delay(1);
- time++;
- if (time > pn532_global_timeout) { // We time out after 10ms
- return PN532_TIMEOUT;
- }
- } while (1);
-
- for (uint8_t i = 0; i < sizeof(PN532_ACK); i++) {
- ackBuf[i] = Wire.read();
- }
-
- if (memcmp(ackBuf, PN532_ACK, sizeof(PN532_ACK))) {
- return PN532_INVALID_ACK;
- }
-
- return 0;
-}
-
-int8_t PN532_writeCommand(const uint8_t *header, uint8_t hlen)
-{
- pn532_i2c_command = header[0];
- Wire.beginTransmission(PN532_I2C_ADDRESS);
- Wire.write(PN532_PREAMBLE);
- Wire.write(PN532_STARTCODE1);
- Wire.write(PN532_STARTCODE2);
- uint8_t length = hlen + 1; // TFI + DATA
- Wire.write(length);
- Wire.write(~length + 1); // checksum of length
- Wire.write(PN532_HOSTTOPN532);
- uint8_t sum = PN532_HOSTTOPN532; // Sum of TFI + DATA
- for (uint8_t i = 0; i < hlen; i++) {
- if (Wire.write(header[i])) {
- sum += header[i];
- } else {
- return PN532_INVALID_FRAME;
- }
- }
- uint8_t checksum = ~sum + 1; // Checksum of TFI + DATA
- Wire.write(checksum);
- Wire.write(PN532_POSTAMBLE);
- Wire.endTransmission();
- return PN532_readAckFrame();
-}
-
-uint32_t PN532_getFirmwareVersion(void)
-{
- uint32_t response;
- pn532_i2c_packetbuffer[0] = PN532_COMMAND_GETFIRMWAREVERSION;
- if (PN532_writeCommand(pn532_i2c_packetbuffer, 1)) {
- return 0;
- }
- int16_t status = PN532_readResponse(pn532_i2c_packetbuffer, sizeof(pn532_i2c_packetbuffer));
- if (0 > status) {
- return 0;
- }
- response = pn532_i2c_packetbuffer[0];
- response <<= 8;
- response |= pn532_i2c_packetbuffer[1];
- response <<= 8;
- response |= pn532_i2c_packetbuffer[2];
- response <<= 8;
- response |= pn532_i2c_packetbuffer[3];
- return response;
-}
-
-bool PN532_SAMConfig(void)
-{
- pn532_i2c_packetbuffer[0] = PN532_COMMAND_SAMCONFIGURATION;
- pn532_i2c_packetbuffer[1] = 0x01; // normal mode;
- pn532_i2c_packetbuffer[2] = 0x01; // timeout 50ms * 1 = 50ms
- pn532_i2c_packetbuffer[3] = 0x00; // Disable IRQ pin
-
- if (PN532_writeCommand(pn532_i2c_packetbuffer, 4))
- return false;
-
- return (0 < PN532_readResponse(pn532_i2c_packetbuffer, sizeof(pn532_i2c_packetbuffer)));
-}
-
-void PN532_Detect(void)
-{
- if ((pn532_i2c_detected) || (pn532_i2c_disable)) { return; }
-
- Wire.setClockStretchLimit(1000); // Enable 1ms clock stretch as per datasheet Table 12.25 (Timing for the I2C interface)
-
- uint32_t ver = PN532_getFirmwareVersion();
- if (ver) {
- pn532_i2c_detected = 1;
- snprintf_P(log_data, sizeof(log_data), S_LOG_I2C_FOUND_AT, "PN532 NFC Reader (V%u.%u)", PN532_I2C_ADDRESS);
- snprintf_P(log_data, sizeof(log_data), log_data, (ver>>16) & 0xFF, (ver>>8) & 0xFF);
- AddLog(LOG_LEVEL_DEBUG);
- PN532_SAMConfig();
- }
-}
-
-bool PN532_readPassiveTargetID(uint8_t cardbaudrate, uint8_t *uid, uint8_t *uidLength)
-{
- pn532_i2c_packetbuffer[0] = PN532_COMMAND_INLISTPASSIVETARGET;
- pn532_i2c_packetbuffer[1] = 1;
- pn532_i2c_packetbuffer[2] = cardbaudrate;
-
- if (PN532_writeCommand(pn532_i2c_packetbuffer, 3)) {
- return false; // command failed
- }
-
- if (PN532_readResponse(pn532_i2c_packetbuffer, sizeof(pn532_i2c_packetbuffer)) < 0) { // No data packet so no tag was found
- Wire.beginTransmission(PN532_I2C_ADDRESS);
- Wire.endTransmission();
- return false;
- }
-
- if (pn532_i2c_packetbuffer[0] != 1) { return false; } // Not a valid tag
-
- *uidLength = pn532_i2c_packetbuffer[5];
- for (uint8_t i = 0;i < pn532_i2c_packetbuffer[5]; i++) {
- uid[i] = pn532_i2c_packetbuffer[6 + i];
- }
- return true;
-}
-
-#ifdef USE_PN532_DATA_FUNCTION
-
-uint8_t mifareclassic_AuthenticateBlock (uint8_t *uid, uint8_t uidLen, uint32_t blockNumber, uint8_t keyNumber, uint8_t *keyData)
-{
- uint8_t i;
- uint8_t _key[6];
- uint8_t _uid[7];
- uint8_t _uidLen;
-
- // Hang on to the key and uid data
- memcpy (_key, keyData, 6);
- memcpy (_uid, uid, uidLen);
- _uidLen = uidLen;
-
- // Prepare the authentication command //
- pn532_i2c_packetbuffer[0] = PN532_COMMAND_INDATAEXCHANGE; /* Data Exchange Header */
- pn532_i2c_packetbuffer[1] = 1; /* Max card numbers */
- pn532_i2c_packetbuffer[2] = (keyNumber) ? MIFARE_CMD_AUTH_B : MIFARE_CMD_AUTH_A;
- pn532_i2c_packetbuffer[3] = blockNumber; /* Block Number (1K = 0..63, 4K = 0..255 */
- memcpy (&pn532_i2c_packetbuffer[4], _key, 6);
- for (i = 0; i < _uidLen; i++) {
- pn532_i2c_packetbuffer[10 + i] = _uid[i]; /* 4 bytes card ID */
- }
-
- if (PN532_writeCommand(pn532_i2c_packetbuffer, 10 + _uidLen))
- return 0;
-
- // Read the response packet
- PN532_readResponse(pn532_i2c_packetbuffer, sizeof(pn532_i2c_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_i2c_packetbuffer[0] != 0x00) {
- // Authentification failed
- return 0;
- }
-
- return 1;
-}
-
-uint8_t mifareclassic_ReadDataBlock (uint8_t blockNumber, uint8_t *data)
-{
- /* Prepare the command */
- pn532_i2c_packetbuffer[0] = PN532_COMMAND_INDATAEXCHANGE;
- pn532_i2c_packetbuffer[1] = 1; /* Card number */
- pn532_i2c_packetbuffer[2] = MIFARE_CMD_READ; /* Mifare Read command = 0x30 */
- pn532_i2c_packetbuffer[3] = blockNumber; /* Block Number (0..63 for 1K, 0..255 for 4K) */
-
- /* Send the command */
- if (PN532_writeCommand(pn532_i2c_packetbuffer, 4)) {
- return 0;
- }
-
- /* Read the response packet */
- PN532_readResponse(pn532_i2c_packetbuffer, sizeof(pn532_i2c_packetbuffer));
-
- /* If byte 8 isn't 0x00 we probably have an error */
- if (pn532_i2c_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_i2c_packetbuffer[1], 16);
-
- return 1;
-}
-
-uint8_t mifareclassic_WriteDataBlock (uint8_t blockNumber, uint8_t *data)
-{
- /* Prepare the first command */
- pn532_i2c_packetbuffer[0] = PN532_COMMAND_INDATAEXCHANGE;
- pn532_i2c_packetbuffer[1] = 1; /* Card number */
- pn532_i2c_packetbuffer[2] = MIFARE_CMD_WRITE; /* Mifare Write command = 0xA0 */
- pn532_i2c_packetbuffer[3] = blockNumber; /* Block Number (0..63 for 1K, 0..255 for 4K) */
- memcpy(&pn532_i2c_packetbuffer[4], data, 16); /* Data Payload */
-
- /* Send the command */
- if (PN532_writeCommand(pn532_i2c_packetbuffer, 20)) {
- return 0;
- }
-
- /* Read the response packet */
- return (0 < PN532_readResponse(pn532_i2c_packetbuffer, sizeof(pn532_i2c_packetbuffer)));
-}
-
-#endif // USE_PN532_DATA_FUNCTION
-
-void PN532_ScanForTag(void)
-{
- if (pn532_i2c_disable) { return; }
- uint8_t uid[] = { 0, 0, 0, 0, 0, 0, 0 };
- uint8_t uid_len = 0;
- uint8_t card_data[16];
- bool erase_success = false;
- bool set_success = false;
- if (PN532_readPassiveTargetID(PN532_MIFARE_ISO14443A, uid, &uid_len)) {
- if (pn532_i2c_scan_defer_report > 0) {
- pn532_i2c_scan_defer_report--;
- } else {
- char uids[15];
-
-#ifdef USE_PN532_DATA_FUNCTION
- char card_datas[34];
-#endif // USE_PN532_DATA_FUNCTION
-
- sprintf(uids,"");
- for (uint8_t i = 0;i < uid_len;i++) {
- sprintf(uids,"%s%02X",uids,uid[i]);
- }
-
-#ifdef USE_PN532_DATA_FUNCTION
- if (uid_len == 4) { // Lets try to read block 0 of the mifare classic card for more information
- uint8_t keyuniversal[6] = { 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF };
- if (mifareclassic_AuthenticateBlock (uid, uid_len, 1, 1, keyuniversal)) {
- if (mifareclassic_ReadDataBlock(1, card_data)) {
-#ifdef USE_PN532_DATA_RAW
- memcpy(&card_datas,&card_data,sizeof(card_data));
-#else
- for (uint8_t i = 0;i < sizeof(card_data);i++) {
- if ((isalpha(card_data[i])) || ((isdigit(card_data[i])))) {
- card_datas[i] = char(card_data[i]);
- } else {
- card_datas[i] = '\0';
- }
- }
-#endif // USE_PN532_DATA_RAW
- }
- if (pn532_i2c_function == 1) { // erase block 1 of card
- for (uint8_t i = 0;i<16;i++) {
- card_data[i] = 0x00;
- }
- if (mifareclassic_WriteDataBlock(1, card_data)) {
- erase_success = true;
- snprintf_P(log_data, sizeof(log_data),"I2C: PN532 NFC - Erase success");
- AddLog(LOG_LEVEL_INFO);
- memcpy(&card_datas,&card_data,sizeof(card_data)); // Cast block 1 to a string
- }
- }
- if (pn532_i2c_function == 2) {
-#ifdef USE_PN532_DATA_RAW
- memcpy(&card_data,&pn532_i2c_newdata,sizeof(card_data));
- if (mifareclassic_WriteDataBlock(1, card_data)) {
- set_success = true;
- snprintf_P(log_data, sizeof(log_data),"I2C: PN532 NFC - Data write successful");
- AddLog(LOG_LEVEL_INFO);
- memcpy(&card_datas,&card_data,sizeof(card_data)); // Cast block 1 to a string
- }
-#else
- bool IsAlphaNumeric = true;
- for (uint8_t i = 0;i < pn532_i2c_newdata_len;i++) {
- if ((!isalpha(pn532_i2c_newdata[i])) && (!isdigit(pn532_i2c_newdata[i]))) {
- IsAlphaNumeric = false;
- }
- }
- if (IsAlphaNumeric) {
- memcpy(&card_data,&pn532_i2c_newdata,pn532_i2c_newdata_len);
- card_data[pn532_i2c_newdata_len] = '\0'; // Enforce null termination
- if (mifareclassic_WriteDataBlock(1, card_data)) {
- set_success = true;
- snprintf_P(log_data, sizeof(log_data),"I2C: PN532 NFC - Data write successful");
- AddLog(LOG_LEVEL_INFO);
- memcpy(&card_datas,&card_data,sizeof(card_data)); // Cast block 1 to a string
- }
- } else {
- snprintf_P(log_data, sizeof(log_data),"I2C: PN532 NFC - Data must be alphanumeric");
- AddLog(LOG_LEVEL_INFO);
- }
-#endif // USE_PN532_DATA_RAW
- }
- } else {
- sprintf(card_datas,"AUTHFAIL");
- }
- }
- switch (pn532_i2c_function) {
- case 0x01:
- if (!erase_success) {
- snprintf_P(log_data, sizeof(log_data),"I2C: PN532 NFC - Erase fail - exiting erase mode");
- AddLog(LOG_LEVEL_INFO);
- }
- break;
- case 0x02:
- if (!set_success) {
- snprintf_P(log_data, sizeof(log_data),"I2C: PN532 NFC - Write failed - exiting set mode");
- AddLog(LOG_LEVEL_INFO);
- }
- default:
- break;
- }
- pn532_i2c_function = 0;
-#endif // USE_PN532_DATA_FUNCTION
-
- snprintf_P(mqtt_data, sizeof(mqtt_data), PSTR("{\"" D_JSON_TIME "\":\"%s\""), GetDateAndTime(DT_LOCAL).c_str());
-
-#ifdef USE_PN532_DATA_FUNCTION
- snprintf_P(mqtt_data, sizeof(mqtt_data), PSTR("%s,\"PN532\":{\"UID\":\"%s\", \"DATA\":\"%s\"}}"), mqtt_data, uids, card_datas);
-#else
- snprintf_P(mqtt_data, sizeof(mqtt_data), PSTR("%s,\"PN532\":{\"UID\":\"%s\"}}"), mqtt_data, uids);
-#endif // USE_PN532_DATA_FUNCTION
-
- MqttPublishPrefixTopic_P(TELE, PSTR(D_RSLT_SENSOR), Settings.flag.mqtt_sensor_retain);
-
-#ifdef USE_PN532_CAUSE_EVENTS
-
- char command[71];
-#ifdef USE_PN532_DATA_FUNCTION
- sprintf(command,"backlog event PN532_UID=%s;event PN532_DATA=%s",uids,card_datas);
-#else
- sprintf(command,"event PN532_UID=%s",uids);
-#endif // USE_PN532_DATA_FUNCTION
- ExecuteCommand(command, SRC_RULE);
-#endif // USE_PN532_CAUSE_EVENTS
-
- pn532_i2c_scan_defer_report = 7; // Ignore tags found for two seconds
- }
- } else {
- if (pn532_i2c_scan_defer_report > 0) { pn532_i2c_scan_defer_report--; }
- }
-}
-
-#ifdef USE_PN532_DATA_FUNCTION
-
-bool PN532_Command(void)
-{
- bool serviced = true;
- uint8_t paramcount = 0;
- if (XdrvMailbox.data_len > 0) {
- paramcount=1;
- } else {
- serviced = false;
- return serviced;
- }
- char sub_string[XdrvMailbox.data_len];
- char sub_string_tmp[XdrvMailbox.data_len];
- for (uint8_t ca=0;ca 1) {
- if (XdrvMailbox.data[XdrvMailbox.data_len-1] == ',') {
- serviced = false;
- return serviced;
- }
- sprintf(sub_string_tmp,subStr(sub_string, XdrvMailbox.data, ",", 2));
- pn532_i2c_newdata_len = strlen(sub_string_tmp);
- if (pn532_i2c_newdata_len > 15) { pn532_i2c_newdata_len = 15; }
- memcpy(&pn532_i2c_newdata,&sub_string_tmp,pn532_i2c_newdata_len);
- pn532_i2c_newdata[pn532_i2c_newdata_len] = 0x00; // Null terminate the string
- pn532_i2c_function = 2;
- snprintf_P(log_data, sizeof(log_data),"I2C: PN532 NFC - Next scanned tag data block 1 will be set to '%s'",pn532_i2c_newdata);
- AddLog(LOG_LEVEL_INFO);
- snprintf_P(mqtt_data, sizeof(mqtt_data), PSTR("{\"" D_JSON_TIME "\":\"%s\""), GetDateAndTime(DT_LOCAL).c_str());
- snprintf_P(mqtt_data, sizeof(mqtt_data), PSTR("%s,\"PN532\":{\"COMMAND\":\"S\"\"}}"), mqtt_data);
- return serviced;
- }
- }
-}
-
-#endif // USE_PN532_DATA_FUNCTION
-
-/*********************************************************************************************\
- * Interface
-\*********************************************************************************************/
-
-bool Xsns40(uint8_t function)
-{
- bool result = false;
-
- if (i2c_flg) {
- switch (function) {
- case FUNC_EVERY_250_MSECOND:
- if (pn532_i2c_detected) {
- PN532_ScanForTag();
- }
- break;
- case FUNC_EVERY_SECOND:
- PN532_Detect();
- break;
-
-#ifdef USE_PN532_DATA_FUNCTION
- case FUNC_COMMAND:
- if (XSNS_40 == XdrvMailbox.index) {
- result = PN532_Command();
- }
- break;
-#endif // USE_PN532_DATA_FUNCTION
-
- case FUNC_SAVE_BEFORE_RESTART:
- if (!pn532_i2c_disable) {
- pn532_i2c_disable = 1;
- snprintf_P(log_data, sizeof(log_data), S_LOG_I2C_FOUND_AT, "PN532 NFC Reader - Disabling for reboot", PN532_I2C_ADDRESS);
- AddLog(LOG_LEVEL_DEBUG);
- }
- break;
- default:
- break;
- }
- }
- return result;
-}
-
-#endif // USE_PN532_I2C
-#endif // USE_I2C