Port of Arduino Pixy Cmucam5 library.
Fork of pixy by
PixyLinkSPI.h
- Committer:
- acracan
- Date:
- 2014-11-16
- Revision:
- 0:ed8dc4531ac1
File content as of revision 0:ed8dc4531ac1:
#ifndef TUIASI_PIXYLINKSPI_H #define TUIASI_PIXYLINKSPI_H #include "SPI.h" #include "PixyLink.h" class PixyLinkSPI : public PixyLink, private SPI { public: PixyLinkSPI(PinName mosi, PinName miso, PinName sclk) : SPI(mosi, miso, sclk), outLen(0), outIndex(0) { }; virtual uint16_t getWord() { uint16_t w = ((uint16_t)getByte()) << 8; return w | getByte(); }; virtual uint8_t getByte() { uint8_t c = 0x00; if (outIndex < outLen) { c = outBuf[outIndex++]; } return write(c); }; virtual int8_t send(uint8_t *data, uint8_t len) { if (len > PIXY_OUTBUF_SIZE || outLen != 0) return -1; memcpy(outBuf, data, len); outLen = len; outIndex = 0; return len; }; private: static const uint8_t PIXY_OUTBUF_SIZE = 6; static const uint8_t PIXY_SYNC_BYTE = 0x5a; static const uint8_t PIXY_SYNC_BYTE_DATA = 0x5b; uint8_t outBuf[PIXY_OUTBUF_SIZE]; uint8_t outLen; uint8_t outIndex; }; #endif //TUIASI_PIXYLINKSPI_H