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SPI2.h
- Committer:
- MBM
- Date:
- 2014-08-12
- Revision:
- 0:56a3009221d3
File content as of revision 0:56a3009221d3:
//-------------------------------------------------------------------------------------------- //Original Property of: charmedlabs.com/pixystart -> arduino_pixy-x.y.z.zip // //Modifications made by: Mathieu Malone //Modifications: Modified Arduino code to function with mbed development platform //Output Method: This program uses "Serial pc(USBTX, USBRX)" in order to allow communication // between the mbed platform and putty terminal through USB // //Latest update by: Mathieu Malone //Date of last update: July 24th, 2014 //-------------------------------------------------------------------------------------------- // // begin license header // // This file is part of Pixy CMUcam5 or "Pixy" for short // // All Pixy source code is provided under the terms of the // GNU General Public License v2 (http://www.gnu.org/licenses/gpl-2.0.html). // Those wishing to use Pixy source code, software and/or // technologies under different licensing terms should contact us at // cmucam@cs.cmu.edu. Such licensing terms are available for // all portions of the Pixy codebase presented here. // // end license header // #ifndef _SPI_H2 #define _SPI_H2 #include "iserial2.h" #define SPI_RECEIVEBUF_SIZE2 16 #define SPI_TRANSMITBUF_SIZE2 16 #define SS_ASSERT2() LPC_SGPIO->GPIO_OUTREG2 = 0; #define SS_NEGATE2() LPC_SGPIO->GPIO_OUTREG2 = 1<<14; #define SPI_SYNC_MASK2 0xff00 #define SPI_SYNC_WORD2 0x5a00 #define SPI_SYNC_WORD_DATA2 0x5b00 #define SPI_MIN_SYNC_COUNT2 5 class Spi2 : public Iserial2 { public: Spi2(SerialCallback2 callback2); // Iserial methods virtual int open2(); virtual int close2(); virtual int receive2(uint8_t *buf2, uint32_t len2); virtual int receiveLen2(); virtual int update2(); void slaveHandler2(); private: int checkIdle2(); int sync2(); ReceiveQ2<uint16_t> m_rq2; TransmitQ2<uint16_t> m_tq2; bool m_sync2; uint32_t m_recvCounter2; uint32_t m_lastRecvCounter2; uint8_t m_syncCounter2; }; void SPIinit2(SerialCallback2 callback2); extern Spi2 *g_spi2; #endif