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/PN532Interface.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 __PN532_INTERFACE_H__
yihui 0:88960f3eeb2c 4 #define __PN532_INTERFACE_H__
yihui 0:88960f3eeb2c 5
yihui 0:88960f3eeb2c 6 #include <stdint.h>
yihui 0:88960f3eeb2c 7
yihui 0:88960f3eeb2c 8 #define PN532_PREAMBLE (0x00)
yihui 0:88960f3eeb2c 9 #define PN532_STARTCODE1 (0x00)
yihui 0:88960f3eeb2c 10 #define PN532_STARTCODE2 (0xFF)
yihui 0:88960f3eeb2c 11 #define PN532_POSTAMBLE (0x00)
yihui 0:88960f3eeb2c 12
yihui 0:88960f3eeb2c 13 #define PN532_HOSTTOPN532 (0xD4)
yihui 0:88960f3eeb2c 14 #define PN532_PN532TOHOST (0xD5)
yihui 0:88960f3eeb2c 15
yihui 0:88960f3eeb2c 16 #define PN532_ACK_WAIT_TIME (10) // ms, timeout of waiting for ACK
yihui 0:88960f3eeb2c 17
yihui 0:88960f3eeb2c 18 #define PN532_INVALID_ACK (-1)
yihui 0:88960f3eeb2c 19 #define PN532_TIMEOUT (-2)
yihui 0:88960f3eeb2c 20 #define PN532_INVALID_FRAME (-3)
yihui 0:88960f3eeb2c 21 #define PN532_NO_SPACE (-4)
yihui 0:88960f3eeb2c 22
yihui 0:88960f3eeb2c 23 #define REVERSE_BITS_ORDER(b) b = (b & 0xF0) >> 4 | (b & 0x0F) << 4; \
yihui 0:88960f3eeb2c 24 b = (b & 0xCC) >> 2 | (b & 0x33) << 2; \
yihui 0:88960f3eeb2c 25 b = (b & 0xAA) >> 1 | (b & 0x55) << 1
yihui 0:88960f3eeb2c 26
yihui 0:88960f3eeb2c 27 class PN532Interface
yihui 0:88960f3eeb2c 28 {
yihui 0:88960f3eeb2c 29 public:
yihui 0:88960f3eeb2c 30 virtual void begin() = 0;
yihui 0:88960f3eeb2c 31 virtual void wakeup() = 0;
yihui 0:88960f3eeb2c 32
yihui 0:88960f3eeb2c 33 /**
yihui 0:88960f3eeb2c 34 * @brief write a command and check ack
yihui 0:88960f3eeb2c 35 * @param header packet header
yihui 0:88960f3eeb2c 36 * @param hlen length of header
yihui 0:88960f3eeb2c 37 * @param body packet body
yihui 0:88960f3eeb2c 38 * @param blen length of body
yihui 0:88960f3eeb2c 39 * @return 0 success
yihui 0:88960f3eeb2c 40 * not 0 failed
yihui 0:88960f3eeb2c 41 */
yihui 0:88960f3eeb2c 42 virtual int8_t writeCommand(const uint8_t *header, uint8_t hlen, const uint8_t *body = 0, uint8_t blen = 0) = 0;
yihui 0:88960f3eeb2c 43
yihui 0:88960f3eeb2c 44 /**
yihui 0:88960f3eeb2c 45 * @brief read the response of a command, strip prefix and suffix
yihui 0:88960f3eeb2c 46 * @param buf to contain the response data
yihui 0:88960f3eeb2c 47 * @param len lenght to read
yihui 0:88960f3eeb2c 48 * @param timeout max time to wait, 0 means no timeout
yihui 0:88960f3eeb2c 49 * @return >=0 length of response without prefix and suffix
yihui 0:88960f3eeb2c 50 * <0 failed to read response
yihui 0:88960f3eeb2c 51 */
yihui 0:88960f3eeb2c 52 virtual int16_t readResponse(uint8_t buf[], uint8_t len, uint16_t timeout = 1000) = 0;
yihui 0:88960f3eeb2c 53 };
yihui 0:88960f3eeb2c 54
yihui 0:88960f3eeb2c 55 #endif
yihui 0:88960f3eeb2c 56