jro_hard/gen_acq Files · trunk/firmware/sources/timeEngined/libarduino/SPI/SPI.h

se borraran las librerias de arduino, puesto que desde este momento se usara el plugin de arduino para eclipse

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             SPI.h
        
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codigo inicial de saigd (software de embebido) y timeEngined (firmware de tarjeta timeEngine)

              r132
            
      /*

       * Copyright (c) 2010 by Cristian Maglie <c.maglie@bug.st>

       * SPI Master library for arduino.

       *

       * This file is free software; you can redistribute it and/or modify

       * it under the terms of either the GNU General Public License version 2

       * or the GNU Lesser General Public License version 2.1, both as

       * published by the Free Software Foundation.

       */

      #ifndef _SPI_H_INCLUDED

      #define _SPI_H_INCLUDED

      #include <stdio.h>

      #include <Arduino.h>

      #include <avr/pgmspace.h>

      #define SPI_CLOCK_DIV4 0x00

      #define SPI_CLOCK_DIV16 0x01

      #define SPI_CLOCK_DIV64 0x02

      #define SPI_CLOCK_DIV128 0x03

      #define SPI_CLOCK_DIV2 0x04

      #define SPI_CLOCK_DIV8 0x05

      #define SPI_CLOCK_DIV32 0x06

      //#define SPI_CLOCK_DIV64 0x07

      #define SPI_MODE0 0x00

      #define SPI_MODE1 0x04

      #define SPI_MODE2 0x08

      #define SPI_MODE3 0x0C

      #define SPI_MODE_MASK 0x0C  // CPOL = bit 3, CPHA = bit 2 on SPCR

      #define SPI_CLOCK_MASK 0x03  // SPR1 = bit 1, SPR0 = bit 0 on SPCR

      #define SPI_2XCLOCK_MASK 0x01  // SPI2X = bit 0 on SPSR

      class SPIClass {

      public:

        inline static byte transfer(byte _data);

        // SPI Configuration methods

        inline static void attachInterrupt();

        inline static void detachInterrupt(); // Default

        static void begin(); // Default

        static void end();

        static void setBitOrder(uint8_t);

        static void setDataMode(uint8_t);

        static void setClockDivider(uint8_t);

      };

      extern SPIClass SPI;

      byte SPIClass::transfer(byte _data) {

        SPDR = _data;

        while (!(SPSR & _BV(SPIF)))

          ;

        return SPDR;

      }

      void SPIClass::attachInterrupt() {

        SPCR |= _BV(SPIE);

      }

      void SPIClass::detachInterrupt() {

        SPCR &= ~_BV(SPIE);

      }

      #endif

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aaguilar codigo inicial de saigd (software de embebido) y timeEngined (firmware de tarjeta timeEngine)	r132	/*
		* Copyright (c) 2010 by Cristian Maglie <c.maglie@bug.st>
		* SPI Master library for arduino.
		*
		* This file is free software; you can redistribute it and/or modify
		* it under the terms of either the GNU General Public License version 2
		* or the GNU Lesser General Public License version 2.1, both as
		* published by the Free Software Foundation.
		*/

		#ifndef _SPI_H_INCLUDED
		#define _SPI_H_INCLUDED

		#include <stdio.h>
		#include <Arduino.h>
		#include <avr/pgmspace.h>

		#define SPI_CLOCK_DIV4 0x00
		#define SPI_CLOCK_DIV16 0x01
		#define SPI_CLOCK_DIV64 0x02
		#define SPI_CLOCK_DIV128 0x03
		#define SPI_CLOCK_DIV2 0x04
		#define SPI_CLOCK_DIV8 0x05
		#define SPI_CLOCK_DIV32 0x06
		//#define SPI_CLOCK_DIV64 0x07

		#define SPI_MODE0 0x00
		#define SPI_MODE1 0x04
		#define SPI_MODE2 0x08
		#define SPI_MODE3 0x0C

		#define SPI_MODE_MASK 0x0C // CPOL = bit 3, CPHA = bit 2 on SPCR
		#define SPI_CLOCK_MASK 0x03 // SPR1 = bit 1, SPR0 = bit 0 on SPCR
		#define SPI_2XCLOCK_MASK 0x01 // SPI2X = bit 0 on SPSR

		class SPIClass {
		public:
		inline static byte transfer(byte _data);

		// SPI Configuration methods

		inline static void attachInterrupt();
		inline static void detachInterrupt(); // Default

		static void begin(); // Default
		static void end();

		static void setBitOrder(uint8_t);
		static void setDataMode(uint8_t);
		static void setClockDivider(uint8_t);
		};

		extern SPIClass SPI;

		byte SPIClass::transfer(byte _data) {
		SPDR = _data;
		while (!(SPSR & _BV(SPIF)))
		;
		return SPDR;
		}

		void SPIClass::attachInterrupt() {
		SPCR \|= _BV(SPIE);
		}

		void SPIClass::detachInterrupt() {
		SPCR &= ~_BV(SPIE);
		}

		#endif