Seeed
PN532 NFC library for Seeed Studio's NFC Shield
Fork of
PN532
by 
Yihui Xiong
mac_link.h@6:418ee8924317, 2014-03-25 (annotated)
- Committer:
- screamer
- Date:
- Tue Mar 25 16:00:44 2014 +0000
- Revision:
- 6:418ee8924317
- Parent:
- 3:4189a10038e6
Improved documentation
Who changed what in which revision?
| User | Revision | Line number | New contents of line |
|---|---|---|---|
| yihui | 3:4189a10038e6 | 1 | |
| yihui | 3:4189a10038e6 | 2 | |
| yihui | 3:4189a10038e6 | 3 | #ifndef __MAC_LINK_H__ |
| yihui | 3:4189a10038e6 | 4 | #define __MAC_LINK_H__ |
| yihui | 3:4189a10038e6 | 5 | |
| yihui | 3:4189a10038e6 | 6 | #include "PN532.h" |
| yihui | 3:4189a10038e6 | 7 | |
| screamer | 6:418ee8924317 | 8 | /** |
| screamer | 6:418ee8924317 | 9 | * The MACLink class |
| screamer | 6:418ee8924317 | 10 | */ |
| yihui | 3:4189a10038e6 | 11 | class MACLink { |
| yihui | 3:4189a10038e6 | 12 | public: |
| yihui | 3:4189a10038e6 | 13 | MACLink(PN532Interface &interface) : pn532(interface) { |
| yihui | 3:4189a10038e6 | 14 | |
| yihui | 3:4189a10038e6 | 15 | }; |
| yihui | 3:4189a10038e6 | 16 | |
| yihui | 3:4189a10038e6 | 17 | /** |
| screamer | 6:418ee8924317 | 18 | * @brief Activate PN532 as a target |
| screamer | 6:418ee8924317 | 19 | * @param timeout max time to wait, 0 means no timeout |
| screamer | 6:418ee8924317 | 20 | * @return > 0 success |
| screamer | 6:418ee8924317 | 21 | * = 0 timeout |
| screamer | 6:418ee8924317 | 22 | * < 0 failed |
| screamer | 6:418ee8924317 | 23 | */ |
| yihui | 3:4189a10038e6 | 24 | int8_t activateAsTarget(uint16_t timeout = 0); |
| yihui | 3:4189a10038e6 | 25 | |
| yihui | 3:4189a10038e6 | 26 | /** |
| screamer | 6:418ee8924317 | 27 | * @brief write a PDU packet, the packet should be less than (255 - 2) bytes |
| screamer | 6:418ee8924317 | 28 | * @param header packet header |
| screamer | 6:418ee8924317 | 29 | * @param hlen length of header |
| screamer | 6:418ee8924317 | 30 | * @param body packet body |
| screamer | 6:418ee8924317 | 31 | * @param blen length of body |
| screamer | 6:418ee8924317 | 32 | * @return true success |
| screamer | 6:418ee8924317 | 33 | * false failed |
| screamer | 6:418ee8924317 | 34 | */ |
| yihui | 3:4189a10038e6 | 35 | bool write(const uint8_t *header, uint8_t hlen, const uint8_t *body = 0, uint8_t blen = 0); |
| yihui | 3:4189a10038e6 | 36 | |
| yihui | 3:4189a10038e6 | 37 | /** |
| screamer | 6:418ee8924317 | 38 | * @brief read a PDU packet, the packet will be less than (255 - 2) bytes |
| screamer | 6:418ee8924317 | 39 | * @param buf the buffer to contain the PDU packet |
| screamer | 6:418ee8924317 | 40 | * @param len lenght of the buffer |
| screamer | 6:418ee8924317 | 41 | * @return >=0 length of the PDU packet |
| screamer | 6:418ee8924317 | 42 | * <0 failed |
| screamer | 6:418ee8924317 | 43 | */ |
| yihui | 3:4189a10038e6 | 44 | int16_t read(uint8_t *buf, uint8_t len); |
| yihui | 3:4189a10038e6 | 45 | |
| yihui | 3:4189a10038e6 | 46 | uint8_t *getHeaderBuffer(uint8_t *len) { |
| yihui | 3:4189a10038e6 | 47 | return pn532.getBuffer(len); |
| yihui | 3:4189a10038e6 | 48 | }; |
| yihui | 3:4189a10038e6 | 49 | |
| yihui | 3:4189a10038e6 | 50 | private: |
| yihui | 3:4189a10038e6 | 51 | PN532 pn532; |
| yihui | 3:4189a10038e6 | 52 | }; |
| yihui | 3:4189a10038e6 | 53 | |
| yihui | 3:4189a10038e6 | 54 | #endif // __MAC_LINK_H__ |