Nico De Witte
PN532 NFC shield of Adafruit based on PN532 of Seeed.
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PN532Interface Class Reference
The PN532Interface class. More...
#include <PN532Interface.h>
Inherited by PN532_SPI.
Public Member Functions | |
| virtual int8_t | writeCommand (const uint8_t *header, uint8_t hlen, const uint8_t *body=0, uint8_t blen=0)=0 |
| write a command and check ack | |
| virtual int16_t | readResponse (uint8_t buf[], uint8_t len, uint16_t timeout=1000)=0 |
| read the response of a command, strip prefix and suffix | |
Detailed Description
The PN532Interface class.
Definition at line 30 of file PN532Interface.h.
Member Function Documentation
| virtual int16_t readResponse | ( | uint8_t | buf[], |
| uint8_t | len, | ||
| uint16_t | timeout = 1000 |
||
| ) | [pure virtual] |
read the response of a command, strip prefix and suffix
- Parameters:
-
buf to contain the response data len lenght to read timeout max time to wait, 0 means no timeout
- Returns:
- >=0 length of response without prefix and suffix <0 failed to read response
| virtual int8_t writeCommand | ( | const uint8_t * | header, |
| uint8_t | hlen, | ||
| const uint8_t * | body = 0, |
||
| uint8_t | blen = 0 |
||
| ) | [pure virtual] |
write a command and check ack
- Parameters:
-
header packet header hlen length of header body packet body blen length of body
- Returns:
- 0 success not 0 failed
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