static void
loop_rfid (void)
{
int res, line, t;
// uint32_t counter;
static unsigned char data[80];
/* fully initialized */
GPIOSetValue (LED_PORT, LED_BIT, LED_ON);
/* read firmware revision */
debug_printf ("\nreading firmware version...\n");
data[0] = PN532_CMD_GetFirmwareVersion;
while ((res = rfid_execute (&data, 1, sizeof (data))) < 0)
{
debug_printf ("Reading Firmware Version Error [%i]\n", res);
pmu_wait_ms (450);
GPIOSetValue (LED_PORT, LED_BIT, LED_ON);
pmu_wait_ms (10);
GPIOSetValue (LED_PORT, LED_BIT, LED_OFF);
}
debug_printf ("PN532 Firmware Version: ");
if (data[1] != 0x32)
rfid_hexdump (&data[1], data[0]);
else
debug_printf ("v%i.%i\n", data[2], data[3]);
/* Set PN532 to virtual card */
data[0] = PN532_CMD_SAMConfiguration;
data[1] = 0x02; /* Virtual Card Mode */
data[2] = 0x00; /* No Timeout Control */
data[3] = 0x00; /* No IRQ */
if ((res = rfid_execute (&data, 4, sizeof (data))) > 0)
{
debug_printf ("SAMConfiguration: ");
rfid_hexdump (&data, res);
}
/* init RFID emulator */
rfid_init_emulator ();
/* enable debug output */
GPIOSetValue (LED_PORT, LED_BIT, LED_ON);
line = 0;
t = 0;
while (1)
{
#if 0
counter = LPC_TMR32B0->TC;
pmu_wait_ms (100);
counter = (LPC_TMR32B0->TC - counter) * 10;
debug_printf ("LPC_TMR32B0[%08u]: %uHz\n", line++, counter);
#endif
GPIOSetValue (LED_PORT, LED_BIT, GPIOGetValue (1, 8));
}
}
static
void rfid_task(void *pvParameters)
{
int i;
static unsigned char data[80];
/* touch unused Parameter */
(void) pvParameters;
/* release reset line after 400ms */
vTaskDelay( 400 / portTICK_RATE_MS);
rfid_reset(1);
/* wait for PN532 to boot */
vTaskDelay( 100 / portTICK_RATE_MS);
/* read firmware revision */
debug_printf("\nreading firmware version...\n");
data[0] = PN532_CMD_GetFirmwareVersion;
rfid_execute(&data, 1, sizeof(data));
/* enable debug output */
debug_printf("\nenabling debug output...\n");
WriteRegister(0x6328, 0xFC);
// select test bus signal
WriteRegister(0x6321, 6);
// select test bus type
WriteRegister(0x6322, 0x07);
while (1)
{
/* wait 100ms */
vTaskDelay( 100 / portTICK_RATE_MS);
/* detect cards in field */
GPIOSetValue(LED_PORT, LED_BIT, LED_ON);
debug_printf("\nchecking for cards...\n");
data[0] = PN532_CMD_InListPassiveTarget;
data[1] = 0x01; /* MaxTg - maximum cards */
data[2] = 0x00; /* BrTy - 106 kbps type A */
if (((i = rfid_execute(&data, 3, sizeof(data))) >= 11) && (data[1]
== 0x01) && (data[2] == 0x01))
{
debug_printf("card id: ");
rfid_hexdump(&data[7], data[6]);
}
else
debug_printf("unknown response of %i bytes\n", i);
GPIOSetValue(LED_PORT, LED_BIT, LED_OFF);
/* turning field off */
debug_printf("\nturning field off again...\n");
data[0] = PN532_CMD_RFConfiguration;
data[1] = 0x01; /* CfgItem = 0x01 */
data[2] = 0x00; /* RF Field = off */
rfid_execute(&data, 3, sizeof(data));
}
}
int initiator_init(uint8_t *data, uint8_t size)
{
data[0] = PN532_CMD_InListPassiveTarget; /* 0x4a */
data[1] = 0x01; /* MaxTg - maximum cards */
data[2] = 0x00; /* BrTy - 106 kbps type A */
return rfid_execute(&data[0], 3, size);
}
int mifare_reader_init(uint8_t *data, uint8_t size)
{
/* User Manual S.97 141520.pdf */
data[0] = PN532_CMD_SAMConfiguration; /* 0x14 */
data[1] = 0x01; /* Normal Mode */
return rfid_execute(&data[0], 2, size);
}
int mifare_authenticate_block(uint8_t *data, uint8_t size, uint8_t block)
{
data[0] = PN532_CMD_InDataExchange; /* 0x40 */
data[1] = 0x01; /* card 1 */
data[2] = 0x60; /* MIFARE authenticate A */
data[3] = block;
return rfid_execute(&data[0], 14, size);
}
int turn_rf_off (uint8_t *data, uint8_t size) {
/* wait 0.5s */
pmu_wait_ms(5);
/* turning field off */
data[0] = PN532_CMD_RFConfiguration;
data[1] = 0x01; /* CfgItem = 0x01 */
data[2] = 0x00; /* RF Field = off */
return rfid_execute(&data[0], 3, size);
}
int mifare_write_block(uint8_t *data, uint8_t size, uint8_t block)
{
data[0] = PN532_CMD_InDataExchange; /* 0x40 */
data[1] = 0x01; /* card 1 */
data[2] = 0xA0; /* MIFARE write 16 bytes */
data[3] = block; /* block 1 */
return rfid_execute(&data[0], 20, size);
}
int rfid_write_register(unsigned short address, unsigned char data)
{
unsigned char cmd[4];
/* write register */
cmd[0] = PN532_CMD_WriteRegister;
/* high byte of address */
cmd[1] = address >> 8;
/* low byte of address */
cmd[2] = address & 0xFF;
/* data value */
cmd[3] = data;
return rfid_execute(&cmd, sizeof(cmd), sizeof(data));
}
void WriteRegister(unsigned short address, unsigned char data)
{
unsigned char cmd[4];
/* write register */
cmd[0] = 0x08;
/* high byte of address */
cmd[1] = address >> 8;
/* low byte of address */
cmd[2] = address & 0xFF;
/* data value */
cmd[3] = data;
rfid_execute(&cmd, sizeof(cmd), sizeof(data));
}
int rfid_read_register(unsigned short address)
{
int res;
unsigned char cmd[3];
/* write register */
cmd[0] = PN532_CMD_ReadRegister;
/* high byte of address */
cmd[1] = address >> 8;
/* low byte of address */
cmd[2] = address & 0xFF;
if((res = rfid_execute(&cmd, sizeof(cmd), sizeof(cmd)))>1)
return cmd[1];
else
return res;
}
static void
loop_rfid (void)
{
int res;
static unsigned char data[80];
/* release reset line after 400ms */
pmu_wait_ms (400);
rfid_reset (1);
/* wait for PN532 to boot */
pmu_wait_ms (100);
/* fully initialized */
GPIOSetValue (LED_PORT, LED_BIT, LED_ON);
/* read firmware revision */
debug_printf ("\nreading firmware version...\n");
data[0] = PN532_CMD_GetFirmwareVersion;
while ((res = rfid_execute (&data, 1, sizeof (data))) < 0)
{
debug_printf ("Reading Firmware Version Error [%i]\n", res);
pmu_wait_ms (450);
GPIOSetValue (LED_PORT, LED_BIT, LED_ON);
pmu_wait_ms (10);
GPIOSetValue (LED_PORT, LED_BIT, LED_OFF);
}
debug_printf ("PN532 Firmware Version: ");
if (data[1] != 0x32)
rfid_hexdump (&data[1], data[0]);
else
debug_printf ("v%i.%i\n", data[2], data[3]);
/* enable debug output */
debug_printf ("\nenabling debug output...\n");
rfid_write_register (0x6328, 0xFC);
// select test bus signal
rfid_write_register (0x6321, 6);
// select test bus type
rfid_write_register (0x6322, 0x07);
/* enable debug output */
GPIOSetValue (LED_PORT, LED_BIT, LED_ON);
while (1)
{
/* wait 10ms */
pmu_wait_ms (10);
/* detect cards in field */
data[0] = PN532_CMD_InListPassiveTarget;
data[1] = 0x01; /* MaxTg - maximum cards */
data[2] = 0x00; /* BrTy - 106 kbps type A */
if (((res = rfid_execute (&data, 3, sizeof (data))) >= 11) && (data[1]
== 0x01)
&& (data[2] == 0x01))
{
GPIOSetValue (LED_PORT, LED_BIT, LED_ON);
pmu_wait_ms (50);
GPIOSetValue (LED_PORT, LED_BIT, LED_OFF);
debug_printf ("card id: ");
rfid_hexdump (&data[7], data[6]);
}
else
{
GPIOSetValue (LED_PORT, LED_BIT, LED_ON);
if (res != -8)
debug_printf ("PN532 error res=%i\n", res);
}
/* turning field off */
data[0] = PN532_CMD_RFConfiguration;
data[1] = 0x01; /* CfgItem = 0x01 */
data[2] = 0x00; /* RF Field = off */
rfid_execute (&data, 3, sizeof (data));
}
}
