Yihui Xiong / Mbed 2 deprecated TouchPixel

to colorize a colorful pixel with a simple touch using nfc technology

Dependencies:   Chainable_RGB_LED mbed

use Arch, NFC Shield and Grove - Chainable RGB LED to DIY a touch pixel. Then use an Android with NFC support to colorize it.

The project is on https://github.com/Seeed-Studio/TouchPixel

nfc/snep.h@0:88960f3eeb2c, 2013-12-27 (annotated)

Committer:
yihui
Date:
Fri Dec 27 01:46:32 2013 +0000
Revision:
0:88960f3eeb2c
initial

Who changed what in which revision?

UserRevisionLine numberNew contents of line
yihui 0:88960f3eeb2c 1
yihui 0:88960f3eeb2c 2
yihui 0:88960f3eeb2c 3 #ifndef __SNEP_H__
yihui 0:88960f3eeb2c 4 #define __SNEP_H__
yihui 0:88960f3eeb2c 5
yihui 0:88960f3eeb2c 6 #include "llcp.h"
yihui 0:88960f3eeb2c 7
yihui 0:88960f3eeb2c 8 #define SNEP_DEFAULT_VERSION 0x10 // Major: 1, Minor: 0
yihui 0:88960f3eeb2c 9
yihui 0:88960f3eeb2c 10 #define SNEP_REQUEST_PUT 0x02
yihui 0:88960f3eeb2c 11 #define SNEP_REQUEST_GET 0x01
yihui 0:88960f3eeb2c 12
yihui 0:88960f3eeb2c 13 #define SNEP_RESPONSE_SUCCESS 0x81
yihui 0:88960f3eeb2c 14 #define SNEP_RESPONSE_REJECT 0xFF
yihui 0:88960f3eeb2c 15
yihui 0:88960f3eeb2c 16 class SNEP {
yihui 0:88960f3eeb2c 17 public:
yihui 0:88960f3eeb2c 18 SNEP(PN532Interface &interface) : llcp(interface) {
yihui 0:88960f3eeb2c 19 headerBuf = llcp.getHeaderBuffer(&headerBufLen);
yihui 0:88960f3eeb2c 20 };
yihui 0:88960f3eeb2c 21
yihui 0:88960f3eeb2c 22 /**
yihui 0:88960f3eeb2c 23 * @brief write a SNEP packet, the packet should be less than (255 - 2 - 3) bytes
yihui 0:88960f3eeb2c 24 * @param buf the buffer to contain the packet
yihui 0:88960f3eeb2c 25 * @param len lenght of the buffer
yihui 0:88960f3eeb2c 26 * @param timeout max time to wait, 0 means no timeout
yihui 0:88960f3eeb2c 27 * @return >0 success
yihui 0:88960f3eeb2c 28 * =0 timeout
yihui 0:88960f3eeb2c 29 * <0 failed
yihui 0:88960f3eeb2c 30 */
yihui 0:88960f3eeb2c 31 int8_t write(const uint8_t *buf, uint8_t len, uint16_t timeout = 0);
yihui 0:88960f3eeb2c 32
yihui 0:88960f3eeb2c 33 /**
yihui 0:88960f3eeb2c 34 * @brief read a SNEP packet, the packet will be less than (255 - 2 - 3) bytes
yihui 0:88960f3eeb2c 35 * @param buf the buffer to contain the packet
yihui 0:88960f3eeb2c 36 * @param len lenght of the buffer
yihui 0:88960f3eeb2c 37 * @param timeout max time to wait, 0 means no timeout
yihui 0:88960f3eeb2c 38 * @return >=0 length of the packet
yihui 0:88960f3eeb2c 39 * <0 failed
yihui 0:88960f3eeb2c 40 */
yihui 0:88960f3eeb2c 41 int16_t read(uint8_t *buf, uint8_t len, uint16_t timeout = 0);
yihui 0:88960f3eeb2c 42
yihui 0:88960f3eeb2c 43 private:
yihui 0:88960f3eeb2c 44 LLCP llcp;
yihui 0:88960f3eeb2c 45 uint8_t *headerBuf;
yihui 0:88960f3eeb2c 46 uint8_t headerBufLen;
yihui 0:88960f3eeb2c 47 };
yihui 0:88960f3eeb2c 48
yihui 0:88960f3eeb2c 49 #endif // __SNEP_H__