LEER TAG
Dependents: NFC_HTM_READ EMULAR_TAGS Escribir_tag NFC_HTM_READ-WRITE
llcp.h@1:a549ef8b142a, 2015-04-24 (annotated)
- Committer:
- mauroar211
- Date:
- Fri Apr 24 19:02:44 2015 +0000
- Revision:
- 1:a549ef8b142a
- Parent:
- 0:b805b487fbef
SE RESTAURARON LOS ARCHIVO DE LA LIBRER?A;
Who changed what in which revision?
User | Revision | Line number | New contents of line |
---|---|---|---|
mauroar211 | 0:b805b487fbef | 1 | |
mauroar211 | 0:b805b487fbef | 2 | #ifndef __LLCP_H__ |
mauroar211 | 0:b805b487fbef | 3 | #define __LLCP_H__ |
mauroar211 | 0:b805b487fbef | 4 | |
mauroar211 | 0:b805b487fbef | 5 | #include "mac_link.h" |
mauroar211 | 0:b805b487fbef | 6 | |
mauroar211 | 0:b805b487fbef | 7 | #define LLCP_DEFAULT_TIMEOUT 20000 |
mauroar211 | 0:b805b487fbef | 8 | #define LLCP_DEFAULT_DSAP 0x04 |
mauroar211 | 0:b805b487fbef | 9 | #define LLCP_DEFAULT_SSAP 0x20 |
mauroar211 | 0:b805b487fbef | 10 | |
mauroar211 | 0:b805b487fbef | 11 | /** |
mauroar211 | 0:b805b487fbef | 12 | * The LLCP class |
mauroar211 | 0:b805b487fbef | 13 | */ |
mauroar211 | 0:b805b487fbef | 14 | class LLCP { |
mauroar211 | 0:b805b487fbef | 15 | public: |
mauroar211 | 0:b805b487fbef | 16 | LLCP(PN532Interface &interface) : link(interface) { |
mauroar211 | 0:b805b487fbef | 17 | headerBuf = link.getHeaderBuffer(&headerBufLen); |
mauroar211 | 0:b805b487fbef | 18 | ns = 0; |
mauroar211 | 0:b805b487fbef | 19 | nr = 0; |
mauroar211 | 0:b805b487fbef | 20 | }; |
mauroar211 | 0:b805b487fbef | 21 | |
mauroar211 | 0:b805b487fbef | 22 | /** |
mauroar211 | 0:b805b487fbef | 23 | * @brief Actiave PN532 as a target |
mauroar211 | 0:b805b487fbef | 24 | * @param timeout max time to wait, 0 means no timeout |
mauroar211 | 0:b805b487fbef | 25 | * @return > 0 success |
mauroar211 | 0:b805b487fbef | 26 | * = 0 timeout |
mauroar211 | 0:b805b487fbef | 27 | * < 0 failed |
mauroar211 | 0:b805b487fbef | 28 | */ |
mauroar211 | 0:b805b487fbef | 29 | int8_t activate(uint16_t timeout = 0); |
mauroar211 | 0:b805b487fbef | 30 | |
mauroar211 | 0:b805b487fbef | 31 | int8_t waitForConnection(uint16_t timeout = LLCP_DEFAULT_TIMEOUT); |
mauroar211 | 0:b805b487fbef | 32 | |
mauroar211 | 0:b805b487fbef | 33 | int8_t waitForDisconnection(uint16_t timeout = LLCP_DEFAULT_TIMEOUT); |
mauroar211 | 0:b805b487fbef | 34 | |
mauroar211 | 0:b805b487fbef | 35 | int8_t connect(uint16_t timeout = LLCP_DEFAULT_TIMEOUT); |
mauroar211 | 0:b805b487fbef | 36 | |
mauroar211 | 0:b805b487fbef | 37 | int8_t disconnect(uint16_t timeout = LLCP_DEFAULT_TIMEOUT); |
mauroar211 | 0:b805b487fbef | 38 | |
mauroar211 | 0:b805b487fbef | 39 | /** |
mauroar211 | 0:b805b487fbef | 40 | * @brief write a packet, the packet should be less than (255 - 2) bytes |
mauroar211 | 0:b805b487fbef | 41 | * @param header packet header |
mauroar211 | 0:b805b487fbef | 42 | * @param hlen length of header |
mauroar211 | 0:b805b487fbef | 43 | * @param body packet body |
mauroar211 | 0:b805b487fbef | 44 | * @param blen length of body |
mauroar211 | 0:b805b487fbef | 45 | * @return true success |
mauroar211 | 0:b805b487fbef | 46 | * false failed |
mauroar211 | 0:b805b487fbef | 47 | */ |
mauroar211 | 0:b805b487fbef | 48 | bool write(const uint8_t *header, uint8_t hlen, const uint8_t *body = 0, uint8_t blen = 0); |
mauroar211 | 0:b805b487fbef | 49 | |
mauroar211 | 0:b805b487fbef | 50 | /** |
mauroar211 | 0:b805b487fbef | 51 | * @brief read a packet, the packet will be less than (255 - 2) bytes |
mauroar211 | 0:b805b487fbef | 52 | * @param buf the buffer to contain the packet |
mauroar211 | 0:b805b487fbef | 53 | * @param len lenght of the buffer |
mauroar211 | 0:b805b487fbef | 54 | * @return >=0 length of the packet |
mauroar211 | 0:b805b487fbef | 55 | * <0 failed |
mauroar211 | 0:b805b487fbef | 56 | */ |
mauroar211 | 0:b805b487fbef | 57 | int16_t read(uint8_t *buf, uint8_t len); |
mauroar211 | 0:b805b487fbef | 58 | |
mauroar211 | 0:b805b487fbef | 59 | uint8_t *getHeaderBuffer(uint8_t *len) { |
mauroar211 | 0:b805b487fbef | 60 | uint8_t *buf = link.getHeaderBuffer(len); |
mauroar211 | 0:b805b487fbef | 61 | len -= 3; // I PDU header has 3 bytes |
mauroar211 | 0:b805b487fbef | 62 | return buf; |
mauroar211 | 0:b805b487fbef | 63 | }; |
mauroar211 | 0:b805b487fbef | 64 | |
mauroar211 | 0:b805b487fbef | 65 | private: |
mauroar211 | 0:b805b487fbef | 66 | MACLink link; |
mauroar211 | 0:b805b487fbef | 67 | uint8_t ssap; |
mauroar211 | 0:b805b487fbef | 68 | uint8_t dsap; |
mauroar211 | 0:b805b487fbef | 69 | uint8_t *headerBuf; |
mauroar211 | 0:b805b487fbef | 70 | uint8_t headerBufLen; |
mauroar211 | 0:b805b487fbef | 71 | uint8_t ns; // Number of I PDU Sent |
mauroar211 | 0:b805b487fbef | 72 | uint8_t nr; // Number of I PDU Received |
mauroar211 | 0:b805b487fbef | 73 | |
mauroar211 | 0:b805b487fbef | 74 | static uint8_t SYMM_PDU[2]; |
mauroar211 | 0:b805b487fbef | 75 | }; |
mauroar211 | 0:b805b487fbef | 76 | |
mauroar211 | 0:b805b487fbef | 77 | #endif // __LLCP_H__ |