125 lines
2.7 KiB
C++
125 lines
2.7 KiB
C++
#include "nfcbord.h"
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#include <avr/io.h>
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#include <stdlib.h>
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#include <stdint.h>
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#include <string.h>
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#include <stdio.h>
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#include "writepin.h"
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extern char buffer[SNPRINTF_BUFFER_SIZE];
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NfcBoard::NfcBoard():
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csReg(&PORTC, PC1, PC2, PC0),
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irqReg(&PORTC, &PINB, PC5, PB1, PC4)
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{
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DDRC = (1 << PC0) | (1 << PC1) | (1 << PC2) | (1 << PC4) | (1 << PC5);
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DDRB = (1 << PB4) | (1 << PB3);
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csReg.clear(true);
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probe();
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}
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void NfcBoard::probe()
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{
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readers.clear();
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irqPins.clear();
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for(uint8_t i = 0; i < NFC_PORTS; ++i)
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{
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if(Mfrc522::probe(&spim, &csReg, i))
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{
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irqPins.push_back(i);
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}
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}
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for(uint8_t i = 0; i < irqPins.count(); ++i)
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{
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readers.push_back(Mfrc522(&spim, &csReg, irqPins[i]));
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}
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}
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void NfcBoard::printNfcDevices(Serial* serial)
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{
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serial->write_p(PSTR("NFC DEVICES:\n"));
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for(uint8_t i = 0; i < readers.count(); ++i)
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{
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snprintf(buffer, SNPRINTF_BUFFER_SIZE, "NFC NUMBER: %u IRQ: %x\n", i, irqPins[i]);
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serial->write(buffer, SNPRINTF_BUFFER_SIZE);
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}
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}
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int NfcBoard::dispatch(char* inBuffer, Serial* serial)
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{
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else if(strcmp(inBuffer, "detect") == 0 )
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{
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serial->write_p(PSTR("Runing tag detection test\n"));
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bool oldPresent = false;
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while(!serial->dataIsWaiting())
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{
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bool present = readers[0].cardPresent();
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if(present && !oldPresent)
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{
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oldPresent = present;
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Mfrc522::Uid uid;
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//Mfrc522::serial = serial;
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uint8_t res = readers[0].selectTag(&uid);
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Mfrc522::serial = nullptr;
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if(res != 0)
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{
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serial->write_p(PSTR("Select Failed with "));
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serial->write((int)res);
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serial->putChar('\n');
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continue;
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}
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serial->write_p(PSTR("Uid: "));
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for(uint8_t i = 0; i < uid.size; ++i)
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{
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serial->write((int)uid.uidByte[i]);
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serial->putChar(':');
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}
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serial->putChar('\n');
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break;
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}
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else if(!present && oldPresent)
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{
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serial->write_p(PSTR("Tag lost\n"));
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oldPresent = present;
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}
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_delay_ms(100);
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}
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serial->write_p(PSTR("Finished\n"));
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return 0;
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}
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else if(strcmp(inBuffer, "tste") == 0 )
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{
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serial->write_p(PSTR("Runing fifo test\n"));
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Mfrc522::serial = serial;
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readers[0].testFifo();
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Mfrc522::serial = nullptr;
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serial->write_p(PSTR("Finished\n"));
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return 0;
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}
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else if(strcmp(inBuffer, "status") == 0 )
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{
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printNfcDevices(serial);
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return 0;
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}
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else if(strcmp(inBuffer, "wake") == 0 )
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{
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uint8_t bufferATQA[2];
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uint8_t len = sizeof(bufferATQA);
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uint8_t res = readers[0].wakeupTag(bufferATQA, &len);
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snprintf(buffer, SNPRINTF_BUFFER_SIZE, "wakeupTag returned: %u Buffer: 0x%x 0x%x len %u\n",
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res, bufferATQA[0], bufferATQA[1], len);
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serial->write(buffer, SNPRINTF_BUFFER_SIZE);
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return 0;
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}
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else if(strcmp(inBuffer, "probe") == 0 )
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{
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probe();
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printNfcDevices(serial);
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return 0;
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}
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return -3;
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}
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