1a2e5ee4
 henyxia
Big revision
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#ifndef __SNEP_H__
#define __SNEP_H__
#include "llcp.h"
#define SNEP_DEFAULT_VERSION 0x10 // Major: 1, Minor: 0
#define SNEP_REQUEST_PUT 0x02
#define SNEP_REQUEST_GET 0x01
#define SNEP_RESPONSE_SUCCESS 0x81
#define SNEP_RESPONSE_REJECT 0xFF
class SNEP {
public:
SNEP(PN532Interface &interface) : llcp(interface) {
headerBuf = llcp.getHeaderBuffer(&headerBufLen);
};
/**
* @brief write a SNEP packet, the packet should be less than (255 - 2 - 3) bytes
* @param buf the buffer to contain the packet
* @param len lenght of the buffer
* @param timeout max time to wait, 0 means no timeout
* @return >0 success
* =0 timeout
* <0 failed
*/
int8_t write(const uint8_t *buf, uint8_t len, uint16_t timeout = 0);
/**
* @brief read a SNEP packet, the packet will be less than (255 - 2 - 3) bytes
* @param buf the buffer to contain the packet
* @param len lenght of the buffer
* @param timeout max time to wait, 0 means no timeout
* @return >=0 length of the packet
* <0 failed
*/
int16_t read(uint8_t *buf, uint8_t len, uint16_t timeout = 0);
private:
LLCP llcp;
uint8_t *headerBuf;
uint8_t headerBufLen;
};
#endif // __SNEP_H__
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