Sorry if this has already been asked but I have not found the solution yet.
I am trying to change the accelerometer from +-2 to +-4 and the gyroscope and change to sensitivity of the gyroscope to +-1000dps.
I am using the code i downloaded from Github:
// Arduino Wire library is required if I2Cdev I2CDEV_ARDUINO_WIRE implementation// is used in I2Cdev.h
#include "Wire.h"
// I2Cdev and MPU9150 must be installed as libraries, or else the .cpp/.h files
// for both classes must be in the include path of your project
#include "I2Cdev.h"
#include "MPU9150.h"
#include "helper_3dmath.h"
// class default I2C address is 0x68
// specific I2C addresses may be passed as a parameter here
// AD0 low = 0x68 (default for InvenSense evaluation board)
// AD0 high = 0x69
MPU9150 accelGyroMag;
int16_t ax, ay, az;
int16_t gx, gy, gz;
int16_t mx, my, mz;
#define LED_PIN 13
bool blinkState = false;
void setup() {
// join I2C bus (I2Cdev library doesn't do this automatically)
Wire.begin();
// initialize serial communication
// (38400 chosen because it works as well at 8MHz as it does at 16MHz, but
// it's really up to you depending on your project)
Serial.begin(38400);
// initialize device
Serial.println("Initializing I2C devices...");
accelGyroMag.initialize();
// verify connection
Serial.println("Testing device connections...");
Serial.println(accelGyroMag.testConnection() ? "MPU9150 connection successful" : "MPU9150 connection failed");
// configure Arduino LED for
pinMode(LED_PIN, OUTPUT);
}
void loop() {
// read raw accel/gyro/mag measurements from device
accelGyroMag.getMotion9(&ax, &ay, &az, &gx, &gy, &gz, &mx, &my, &mz);
// these methods (and a few others) are also available
//accelGyroMag.getAcceleration(&ax, &ay, &az);
//accelGyroMag.getRotation(&gx, &gy, &gz);
// display tab-separated accel/gyro/mag x/y/z values
Serial.print("a/g/m:\t");
Serial.print(ax); Serial.print("\t");
Serial.print(ay); Serial.print("\t");
Serial.print(az); Serial.print("\t");
Serial.print(gx); Serial.print("\t");
Serial.print(gy); Serial.print("\t");
Serial.print(gz); Serial.print("\t");
// Serial.print(int(mx)*int(mx)); Serial.print("\t");
// Serial.print(int(my)*int(my)); Serial.print("\t");
// Serial.print(int(mz)*int(mz)); Serial.print("\t | ");
const float N = 256;
float mag = mx*mx/N + my*my/N + mz*mz/N;
// Serial.print(mag); Serial.print("\t");
// for (int i=0; i<mag; i++)
// Serial.print("*");
Serial.print("\n");
// blink LED to indicate activity
blinkState = !blinkState;
digitalWrite(LED_PIN, blinkState);
delay(50);
}
I know that this might be basic, but could someone please help, Thank you.
