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#include <stdio.h>
#include <stdlib.h>
#include <unistd.h>
#include "libtwn3.h"
#include <errno.h>
#include <string.h>
int main(int argc, char** argv){
char data[1024];
unsigned u;
uint8_t test_block = 4, test_sector = 1;
int device = twn3_open("/dev/ttyACM3");
printf("Device is at fd %d\n", device);
if(device < 0){
printf("%s\n", strerror(errno));
return EXIT_FAILURE;
}
//check version
if(twn3_sync_read_version(device, 0, data, sizeof(data)) >= 0){
printf("Connected reader firmware version: %s\n", data);
}
//read eeprom
for(u = 0; u < 0x15; u++){
uint8_t regdata = 0;
twn3_sync_read_eeprom(device, 0, u, ®data);
printf("Register %d has data %02X\n", u, regdata);
}
//write some userdata
//twn3_sync_write_eeprom(device, 0, 19, 0xAA);
//set ExtendID bit
//twn3_sync_write_eeprom(device, 0, 5, 0x05);
//restart device
//twn3_sync_restart(device, 0);
//store a key
//uint8_t key[] = {0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF};
//twn3_sync_storekey(device, 0, 12, key);
//wait for a single tag
int status;
uint8_t type = tag_none;
uint8_t serial[20];
size_t serial_length = sizeof(serial);
for(status = twn3_sync_select_first(device, 0, &type, serial, &serial_length);
status == 0;
status = twn3_sync_select_first(device, 0, &type, serial, &serial_length)){
if(type != tag_none){
printf("Tag with UID length %lu found, type %02X\n", serial_length, type);
break;
}
serial_length = sizeof(serial);
}
printf("Authenticating for sector %d\n", test_sector);
uint8_t key[6] = {0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF};
twn3_sync_auth(device, 0, 1, test_sector, key);
printf("\n");
printf("Reading block %d\n", test_block);
twn3_sync_read(device, 0, test_block, (uint8_t*) data, 16);
printf("Block %d data: ", test_block);
for(u = 0; u < 16; u++){
printf("%02x ", data[u]);
}
printf("\n\n");
printf("Incrementing all bytes in block %d\n", test_block);
for(u = 0; u < 16; u++){
data[u]++;
}
printf("Writing block %d\n", test_block);
twn3_sync_write(device, 0, test_block, (uint8_t*) data);
printf("\n");
close(device);
return EXIT_SUCCESS;
}
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