#include "sysinit.h"
#include "drivers/sensors/pn532/pn532.h"
-#include "drivers/sensors/pn532/pn532_drvr.h"
+#include "drivers/sensors/pn532/pn532_bus.h"
/**************************************************************************/
/*!
int main (void)
{
#ifdef CFG_INTERFACE
- #error "CFG_INTERFACE must be disabled in projectconfig.h for this demo"
+ //#error "CFG_INTERFACE must be disabled in projectconfig.h for this demo"
#endif
#if !defined CFG_PRINTF_USBCDC
#error "CFG_PRINTF_USBCDC must be enabled in projectconfig.h for this demo"
// Configure cpu and mandatory peripherals
systemInit();
- // Wait 5 second for someone to open the USB connection for printf
+ // Wait a bit for someone to open the USB connection for printf
systickDelay(5000);
// Initialise the PN532
pn532Init();
- byte_t response[256];
- size_t responseLen;
pn532_error_t error;
+ byte_t response[64];
+ size_t responseLen;
- // Setup command to initialise a single ISO14443A target at 106kbps
+ // Setup command to initialise a single ISO14443A target at 106kbps (Mifare Classic, Ultralight, etc.)
byte_t abtCommand[] = { PN532_COMMAND_INLISTPASSIVETARGET, 0x01, PN532_MODULATION_ISO14443A_106KBPS };
while (1)
switch(error)
{
case (PN532_ERROR_NOACK):
- // No ACK frame received in UART mode (bus pins not set correctly?)
- printf("Ooops ... No ACK frame was received! Are the bus pins sets to UART?%s", CFG_PRINTF_NEWLINE);
+ case (PN532_ERROR_INVALIDACK):
+ // No ACK response frame received from the PN532
+ printf("Ooops ... No valid ACK frame received!%s", CFG_PRINTF_NEWLINE);
break;
case (PN532_ERROR_I2C_NACK):
- // No ACK bit received to I2C start (bus pins not set correctly?)
- printf("Ooops ... No ACK bit received for I2C start! Are the bus pins sets to I2C?%s", CFG_PRINTF_NEWLINE);
+ // No ACK bit received to I2C start ... not same as PN532 ACK frame (bus pins not set correctly?)
+ printf("Ooops ... No I2C ACK received! Are the bus select pins sets to I2C?%s", CFG_PRINTF_NEWLINE);
+ break;
+ case (PN532_ERROR_READYSTATUSTIMEOUT):
+ // Timed out waiting for the ready bit to clear ... this can be intentional, though, in the
+ // case of PN532_COMMAND_INLISTPASSIVETARGET since it will only clear when a card
+ // enters the magnetic field! Handle with caution because it isn't always an error
+ // Note: Only valid for I2C and SPI
+ printf("Timed out waiting for Ready/IRQ%s", CFG_PRINTF_NEWLINE);
break;
default:
printf("Ooops ... something went wrong! [PN532 Error Code: 0x%02X]%s", error, CFG_PRINTF_NEWLINE);
systickDelay(25);
}
while (error == PN532_ERROR_RESPONSEBUFFEREMPTY);
+
+ printf("%s", CFG_PRINTF_NEWLINE);
+ printf("%-12s: ", "Received");
+ pn532PrintHex(response, responseLen);
+
+ // Try to handle some potential frame errors
+ // Unhandled errors are caught further down
+ switch (error)
+ {
+ case (PN532_ERROR_PREAMBLEMISMATCH):
+ // Frame should start with 0x00 0x00 0xFF!
+ printf("Response frame doesn't start with expected preamble (00 00 FF)%s", CFG_PRINTF_NEWLINE);
+ break;
+ case (PN532_ERROR_APPLEVELERROR):
+ printf("Application level error reported by PN532%s", CFG_PRINTF_NEWLINE);
+ break;
+ case (PN532_ERROR_LENCHECKSUMMISMATCH):
+ printf("Frame length check/checksum mismatch%s", CFG_PRINTF_NEWLINE);
+ break;
+ }
// Print the card details if possible
if (!error)
-------- ------- ----------------------- ---------
00 04 08 NXP Mifare Classic 1K 4 bytes */
- printf("%s", CFG_PRINTF_NEWLINE);
printf("%-12s: %d %s", "Tags Found", response[7], CFG_PRINTF_NEWLINE);
printf("%-12s: %02X %02X %s", "SENS_RES", response[9], response[10], CFG_PRINTF_NEWLINE);
printf("%-12s: %02X %s", "SEL_RES", response[11], CFG_PRINTF_NEWLINE);
model (SENS_RES and SEL_RES) as well as the card's NFCID.
All information will be sent to USBCDC by default, with the
-PN532 breakout board connected via UART.
+PN532 breakout board connected via either UART or I2C (the
+bus can be selected in PN532_bus.h).
HOW TO USE THIS EXAMPLE
============================================================
RXD TXD
3.3V 3.3V
+ Set SEL0 to Off and SEL1 to Off (= UART)
+
+ or via I2C as follows:
+
+ PN532 LPC1343
+ ----- -------
+ GND GND
+ SDA SDA
+ SCL SCL
+ IRQ 3.2
+ 3.3V 3.3V
+
+ Set SEL0 to On and SEL1 to Off (= I2C)
+
2.) Configure your terminal software to open the USB COM
port at 115K.
(Mifare Classic, etc.) and try to read it's ID. Once a
card is found, the reader will start looking again for a
card after a 1 second delay.
+
+SAMPLE OUTPUT
+============================================================
+
+When a card is placed in the field you should see results
+similar to the following (results shown for several
+different card types):
+
+ Waiting for an ISO14443A card (Mifare Classic, etc.)
+
+ Received : 00 00 ff 0c f4 d5 4b 01 01 00 04 08 04 9e b3 6e 66 a9 00
+ Tags Found : 1
+ SENS_RES : 00 04
+ SEL_RES : 08
+ NFCID : 9e b3 6e 66
+ Seems to be a Mifare Classic 1K Card
+
+ Waiting for an ISO14443A card (Mifare Classic, etc.)
+
+ Received : 00 00 ff 0c f4 d5 4b 01 01 00 02 18 04 8a 4c b5 12 23 00
+ Tags Found : 1
+ SENS_RES : 00 02
+ SEL_RES : 18
+ NFCID : 8a 4c b5 12
+
+ Waiting for an ISO14443A card (Mifare Classic, etc.)
+
+ Received : 00 00 ff 0f f1 d5 4b 01 01 00 44 00 07 04 7b cb 51 96 22 80 c0 00
+ Tags Found : 1
+ SENS_RES : 00 44
+ SEL_RES : 00
+ NFCID : 04 7b cb 51 96 22 80
+
+ Waiting for an ISO14443A card (Mifare Classic, etc.)
+
+ Received : 00 00 ff 0c f4 d5 4b 01 01 00 04 08 04 6e 8a e2 b0 44 00
+ Tags Found : 1
+ SENS_RES : 00 04
+ SEL_RES : 08
+ NFCID : 6e 8a e2 b0
+ Seems to be a Mifare Classic 1K Card
+
+ Waiting for an ISO14443A card (Mifare Classic, etc.)
+
projects / hackover2013-badge-firmware.git / commitdiff