Hi,
whats wrong with this?
Thanks
Adam
/* https://www.youtube.com/watch?v=lV0qmeOapvg
https://www.electroniclinic.com/hmc5883l-arduinoarduino-compassmagnetometer-arduino-compass-navigation/
*/
/*
HMC5883L_Example.pde - Example sketch for integration with an HMC5883L triple axis magnetomerwe.
This program is free software: you can redistribute it and/or modify
it under the terms of the version 3 GNU General Public License as
published by the Free Software Foundation.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
// Reference the I2C Library
#include <Wire.h>
// Reference the HMC5883L Compass Library
#include <HMC5883L.h>
// Store our compass as a variable.
HMC5883L compass;
// Record any errors that may occur in the compass.
int error = 0;
int ledpin = 13;
// Out setup routine, here we will configure the microcontroller and compass.
void setup()
{
// Initialize the serial port.
Serial.begin(9600);
pinMode(ledpin, OUTPUT);
Serial.println("Starting the I2C interface.");
Wire.begin(); // Start the I2C interface.
Serial.println("Constructing new HMC5883L");
compass = HMC5883L(); // Construct a new HMC5883 compass.
Serial.println("Setting scale to +/- 1.3 Ga");
error = compass.SetScale(1.3); // Set the scale of the compass.
if (error != 0) // If there is an error, print it out.
Serial.println(compass.GetErrorText(error));
Serial.println("Setting measurement mode to continous.");
error = compass.SetMeasurementMode(Measurement_Continuous); // Set the measurement mode to Continuous
if (error != 0) // If there is an error, print it out.
Serial.println(compass.GetErrorText(error));
}
// Our main program loop.
void loop()
{
// Retrive the raw values from the compass (not scaled).
MagnetometerRaw raw = compass.ReadRawAxis();
// Retrived the scaled values from the compass (scaled to the configured scale).
MagnetometerScaled scaled = compass.ReadScaledAxis();
// Values are accessed like so:
int MilliGauss_OnThe_XAxis = scaled.XAxis;// (or YAxis, or ZAxis)
// Calculate heading when the magnetometer is level, then correct for signs of axis.
float heading = atan2(scaled.YAxis, scaled.XAxis);
// Once you have your heading, you must then add your 'Declination Angle', which is the 'Error' of the magnetic field in your location.
// Find yours here: http://www.magnetic-declination.com/
// Mine is: 2� 37' W, which is 2.617 Degrees, or (which we need) 0.0456752665 radians, I will use 0.0457
// If you cannot find your Declination, comment out these two lines, your compass will be slightly off.
float declinationAngle = 0.0457;
heading += declinationAngle;
// Correct for when signs are reversed.
if (heading < 0)
heading += 2 * PI;
// Check for wrap due to addition of declination.
if (heading > 2 * PI)
heading -= 2 * PI;
// Convert radians to degrees for readability.
float headingDegrees = heading * 180 / M_PI;
// Output the data via the serial port.
Output(raw, scaled, heading, headingDegrees);
// Normally we would delay the application by 66ms to allow the loop
// to run at 15Hz (default bandwidth for the HMC5883L).
// However since we have a long serial out (104ms at 9600) we will let
// it run at its natural speed.
// delay(66);
}
// Output the data down the serial port.
void Output(MagnetometerRaw raw, MagnetometerScaled scaled, float heading, float headingDegrees)
{
Serial.print("Raw:\t");
Serial.print(raw.XAxis);
Serial.print(" ");
Serial.print(raw.YAxis);
Serial.print(" ");
Serial.print(raw.ZAxis);
Serial.print(" \tScaled:\t");
Serial.print(scaled.XAxis);
Serial.print(" ");
Serial.print(scaled.YAxis);
Serial.print(" ");
Serial.print(scaled.ZAxis);
Serial.print(" \tHeading:\t");
Serial.print(heading);
Serial.print(" Radians \t");
Serial.print(headingDegrees);
Serial.println(" Degrees \t");
//delay(1000);
if ((headingDegrees >= 1) & (headingDegrees <= 45) )
digitalWrite(ledpin, HIGH);
else
digitalWrite(ledpin, LOW);
}
ERROR:
Arduino: 1.8.3 (Windows 7), Board: "Arduino/Genuino Uno"
HMC5883L_compass_n:100: error: variable or field 'Output' declared void
void Output(MagnetometerRaw raw, MagnetometerScaled scaled, float heading, float headingDegrees)
^
HMC5883L_compass_n:100: error: 'MagnetometerRaw' was not declared in this scope
HMC5883L_compass_n:100: error: 'MagnetometerScaled' was not declared in this scope
void Output(MagnetometerRaw raw, MagnetometerScaled scaled, float heading, float headingDegrees)
^
HMC5883L_compass_n:100: error: expected primary-expression before 'float'
void Output(MagnetometerRaw raw, MagnetometerScaled scaled, float heading, float headingDegrees)
^
HMC5883L_compass_n:100: error: expected primary-expression before 'float'
void Output(MagnetometerRaw raw, MagnetometerScaled scaled, float heading, float headingDegrees)
^
C:\Users\HUA.DELLV-PC\Documents\Arduino\HMC5883L_compass_n\HMC5883L_compass_n.ino: In function 'void setup()':
HMC5883L_compass_n:47: error: 'class HMC5883L' has no member named 'SetScale'
error = compass.SetScale(1.3); // Set the scale of the compass.
^
HMC5883L_compass_n:49: error: 'class HMC5883L' has no member named 'GetErrorText'
Serial.println(compass.GetErrorText(error));
^
HMC5883L_compass_n:52: error: 'class HMC5883L' has no member named 'SetMeasurementMode'
error = compass.SetMeasurementMode(Measurement_Continuous); // Set the measurement mode to Continuous
^
HMC5883L_compass_n:52: error: 'Measurement_Continuous' was not declared in this scope
error = compass.SetMeasurementMode(Measurement_Continuous); // Set the measurement mode to Continuous
^
HMC5883L_compass_n:54: error: 'class HMC5883L' has no member named 'GetErrorText'
Serial.println(compass.GetErrorText(error));
^
C:\Users\HUA.DELLV-PC\Documents\Arduino\HMC5883L_compass_n\HMC5883L_compass_n.ino: In function 'void loop()':
HMC5883L_compass_n:61: error: 'MagnetometerRaw' was not declared in this scope
MagnetometerRaw raw = compass.ReadRawAxis();
^
HMC5883L_compass_n:63: error: 'MagnetometerScaled' was not declared in this scope
MagnetometerScaled scaled = compass.ReadScaledAxis();
^
HMC5883L_compass_n:66: error: 'scaled' was not declared in this scope
int MilliGauss_OnThe_XAxis = scaled.XAxis;// (or YAxis, or ZAxis)
^
HMC5883L_compass_n:90: error: 'raw' was not declared in this scope
Output(raw, scaled, heading, headingDegrees);
^
HMC5883L_compass_n:90: error: 'Output' was not declared in this scope
Output(raw, scaled, heading, headingDegrees);
^
C:\Users\HUA.DELLV-PC\Documents\Arduino\HMC5883L_compass_n\HMC5883L_compass_n.ino: At global scope:
HMC5883L_compass_n:100: error: variable or field 'Output' declared void
void Output(MagnetometerRaw raw, MagnetometerScaled scaled, float heading, float headingDegrees)
^
HMC5883L_compass_n:100: error: 'MagnetometerRaw' was not declared in this scope
HMC5883L_compass_n:100: error: 'MagnetometerScaled' was not declared in this scope
void Output(MagnetometerRaw raw, MagnetometerScaled scaled, float heading, float headingDegrees)
^
HMC5883L_compass_n:100: error: expected primary-expression before 'float'
void Output(MagnetometerRaw raw, MagnetometerScaled scaled, float heading, float headingDegrees)
^
HMC5883L_compass_n:100: error: expected primary-expression before 'float'
void Output(MagnetometerRaw raw, MagnetometerScaled scaled, float heading, float headingDegrees)
^
exit status 1
variable or field 'Output' declared void
Sketch uses 6598 bytes (20%) of program storage space. Maximum is 32256 bytes.
Global variables use 528 bytes (25%) of dynamic memory, leaving 1520 bytes for local variables. Maximum is 2048 bytes.
E:\ENGINEERING\DIY\Electronic\ARDUINO\arduino-1.8.3-windows\arduino-1.8.3\hardware\tools\avr/bin/avrdude -CE:\ENGINEERING\DIY\Electronic\ARDUINO\arduino-1.8.3-windows\arduino-1.8.3\hardware\tools\avr/etc/avrdude.conf -v -patmega328p -carduino -PCOM6 -b115200 -D -Uflash:w:C:\Users\HUA~1.DEL\AppData\Local\Temp\arduino_build_131096/HMC5883L_compass.ino.hex:i
avrdude: Version 6.3, compiled on Jan 17 2017 at 12:00:53
Copyright (c) 2000-2005 Brian Dean, http://www.bdmicro.com/
Copyright (c) 2007-2014 Joerg Wunsch
System wide configuration file is "E:\ENGINEERING\DIY\Electronic\ARDUINO\arduino-1.8.3-windows\arduino-1.8.3\hardware\tools\avr/etc/avrdude.conf"
Using Port : COM6
Using Programmer : arduino
Overriding Baud Rate : 115200
AVR Part : ATmega328P
Chip Erase delay : 9000 us
PAGEL : PD7
BS2 : PC2
RESET disposition : dedicated
RETRY pulse : SCK
serial program mode : yes
parallel program mode : yes
Timeout : 200
StabDelay : 100
CmdexeDelay : 25
SyncLoops : 32
ByteDelay : 0
PollIndex : 3
PollValue : 0x53
Memory Detail :
Block Poll Page Polled
Memory Type Mode Delay Size Indx Paged Size Size #Pages MinW MaxW ReadBack
----------- ---- ----- ----- ---- ------ ------ ---- ------ ----- ----- ---------
eeprom 65 20 4 0 no 1024 4 0 3600 3600 0xff 0xff
flash 65 6 128 0 yes 32768 128 256 4500 4500 0xff 0xff
lfuse 0 0 0 0 no 1 0 0 4500 4500 0x00 0x00
hfuse 0 0 0 0 no 1 0 0 4500 4500 0x00 0x00
efuse 0 0 0 0 no 1 0 0 4500 4500 0x00 0x00
lock 0 0 0 0 no 1 0 0 4500 4500 0x00 0x00
calibration 0 0 0 0 no 1 0 0 0 0 0x00 0x00
signature 0 0 0 0 no 3 0 0 0 0 0x00 0x00
Programmer Type : Arduino
Description : Arduino
Hardware Version: 3
Firmware Version: 4.4
avrdude: stk500_getparm(): (a) protocol error, expect=0x14, resp=0x46
avrdude: stk500_getparm(): (a) protocol error, expect=0x14, resp=0x69
avrdude: stk500_getparm(): (a) protocol error, expect=0x14, resp=0x6c
Vtarget : 0.3 V
Varef : 0.3 V
Oscillator : 1.373 Hz
SCK period : 7006779.6 us
avrdude: stk500_getparm(): (a) protocol error, expect=0x14, resp=0x65
avrdude: stk500_getparm(): (a) protocol error, expect=0x14, resp=0x20
avrdude: stk500_initialize(): (a) protocol error, expect=0x14, resp=0x20
avrdude: initialization failed, rc=-1
Double check connections and try again, or use -F to override
this check.
avrdude: stk500_disable(): protocol error, expect=0x14, resp=0x3a
avrdude done. Thank you.
the selected serial port
does not exist or your board is not connected
This report would have more information with
"Show verbose output during compilation"
option enabled in File -> Preferences.