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想請問一下
我在網路上下載了HMC library
放入arduino的library後
會出現問題顯示：In file included from HMC_test.pde:1:
C:\Program Files (x86)\Arduino\libraries\HMC/HMC.h:33:22: error: WProgram.h: No such file or directory
而且搜尋時大部分的資料都是HMC5883
想請問這兩者差在哪???
這是HMC5843下載檔案中的CPP程式
/*
* HMC.cpp - Interface a Honeywell HMC5843 magnetometer to an AVR via i2c
* Version 0.1 - http://eclecti.cc
* Copyright (c) 2009 Nirav Patel
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS
* ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
* TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGE.
*
* Code based in part on information from the following:
* http://www.sparkfun.com/datasheets/Sensors/Magneto/HMC5843-v11.c
* http://www.atmel.com/dyn/resources/prod_documents/doc2545.pdf
*/
#include "HMC.h"
/* PUBLIC METHODS */
HMC5843::HMC5843()
{
}
// note that you need to wait at least 5ms after power on to initialize
void HMC5843::init()
{
PORTC = 0b00110000; // Use the internal pull up resistors
// Choose 100KHz for the bus. Formula from 21.5.2 in ATmega168 datasheet.
TWSR &= ~((1<<TWPS1)&(1<<TWPS0));
TWBR = (unsigned char)(F_CPU/200000l-8);
// Put the HMC5843 into continuous mode
sendStart();
sendByte(0x3C);
sendByte(0x02);
sendByte(0x00);
sendStop();
// note that you need to wait 100ms after this before first calling recieve
}
// This can be called at 100ms intervals to get new data
void HMC5843::getValues(int *x, int *y, int *z)
{
unsigned char xin, yin, zin;
// start the reading
sendStart();
sendByte(0x3D);
// read out the 3 values, 2 bytes each. lsb first, then msb.
xin = receiveByte();
*x = (xin<<8)|receiveByte();
yin = receiveByte();
*y = (yin<<8)|receiveByte();
zin = receiveByte();
*z = (zin<<8)|receiveByte();
// wrap back around for the next set of reads and close
sendByte(0x3D);
sendStop();
}
/* PRIVATE METHODS */
// start i2c as the master
void HMC5843::sendStart(void)
{
TWCR = (1<<TWINT)|(1<<TWSTA)|(1<<TWEN);
}
// close i2c
void HMC5843::sendStop(void)
{
waitForReady();
TWCR = (1<<TWINT)|(1<<TWEN)|(1<<TWSTO);
}
// send a byte when the channel is ready
void HMC5843::sendByte(unsigned char data)
{
waitForReady();
TWDR = data;
TWCR = (1<<TWINT)|(1<<TWEN);
}
// ask for a byte, wait for it arrive, and return it
unsigned char HMC5843::receiveByte(void)
{
waitForReady();
TWCR = ((TWCR&0x0F)|(1<<TWINT)|(1<<TWEA));
waitForReady();
return(TWDR);
}
// get status register. the bits 0 and 1 are zeroed in init. see datasheet
unsigned char HMC5843::readStatus()
{
waitForReady();
return(TWSR);
}
// wait for TWINT to be set before touching the other registers.
void HMC5843::waitForReady(void)
{
// timeout after some time to avoid locking up if something goes wrong
int timeout = 200;
while ((!(TWCR & (1<<TWINT))) && (timeout--));
}
// Set the default object
HMC5843 HMC = HMC5843();
然後這是他的副程式
/*
* HMC.cpp - Interface a Honeywell HMC5843 magnetometer to an AVR via i2c
* Version 0.1 - http://eclecti.cc
* Copyright (c) 2009 Nirav Patel
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS
* ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
* TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGE.
*
* Code based in part on information from the following:
* http://www.sparkfun.com/datasheets/Sensors/Magneto/HMC5843-v11.c
* http://www.atmel.com/dyn/resources/prod_documents/doc2545.pdf
*/
#include <util/twi.h>
#include "WProgram.h"
#ifndef HMC_h
#define HMC_h
class HMC5843
{
public:
HMC5843();
void init();
void getValues(int *x, int *y, int *z);
private:
void sendStart(void);
void sendStop(void);
void sendByte(unsigned char data);
unsigned char receiveByte(void);
unsigned char readStatus(void);
void waitForReady(void);
};
extern HMC5843 HMC;
#endif // HMC_h |
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發表於 2013-7-26 15:16:31
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