Diff: SPI1.h

Revision:

0:56a3009221d3

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/SPI1.h	Tue Aug 12 11:01:31 2014 +0000
@@ -0,0 +1,72 @@
+//--------------------------------------------------------------------------------------------
+//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_H1
+#define _SPI_H1
+#include "iserial1.h"
+
+#define SPI_RECEIVEBUF_SIZE1     16
+#define SPI_TRANSMITBUF_SIZE1    16
+
+#define SS_ASSERT1()             LPC_SGPIO1->GPIO_OUTREG1 = 0;
+#define SS_NEGATE1()             LPC_SGPIO1->GPIO_OUTREG1 = 1<<14;
+
+#define SPI_SYNC_MASK1           0xff00
+#define SPI_SYNC_WORD1           0x5a00
+#define SPI_SYNC_WORD_DATA1      0x5b00
+#define SPI_MIN_SYNC_COUNT1      5
+
+class Spi1 : public Iserial1
+{
+public:
+    Spi1(SerialCallback1 callback1);
+
+    // Iserial methods
+    virtual int open1();
+    virtual int close1();
+    virtual int receive1(uint8_t *buf1, uint32_t len1);
+    virtual int receiveLen1();
+    virtual int update1();
+
+    void slaveHandler1();
+
+private:
+    int checkIdle1();
+    int sync1();
+    ReceiveQ1<uint16_t> m_rq1;
+    TransmitQ1<uint16_t> m_tq1;
+
+    bool m_sync1;
+    uint32_t m_recvCounter1;
+    uint32_t m_lastRecvCounter1; 
+    uint8_t m_syncCounter1;
+};
+
+void SPIinit1(SerialCallback1 callback1);
+
+extern Spi1 *g_spi1;
+
+#endif
\ No newline at end of file