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MPU6050 モジュールをArduino Megaでテストしています。Jeff Rowberg がこのためのライブラリを作成していることがわかりました。彼から提供されたこの例を試してみました。しかし、スケッチを検証しようとすると、Arduino IDE で多数のエラーが発生します。

Jeffs ライブラリは既にインストール済みです。(次の画像はライブラリの内容を示しています)

ここに画像の説明を入力

これは私が得ているエラーです:

In file included from C:\Users\LordXaX\Documents\Arduino\libraries\MPU6050/MPU6050_6Axis_MotionApps20.h:42,
                 from sketch_dec08a.cpp:50:
C:\Users\LordXaX\Documents\Arduino\libraries\MPU6050/MPU6050.h:792: warning: only initialized variables can be placed into program memory area
In file included from sketch_dec08a.cpp:50:
C:\Users\LordXaX\Documents\Arduino\libraries\MPU6050/MPU6050_6Axis_MotionApps20.h:89: warning: only initialized variables can be placed into program memory area
C:\Users\LordXaX\Documents\Arduino\libraries\MPU6050/MPU6050_6Axis_MotionApps20.h:89: error: conflicting declaration 'const prog_uchar dmpMemory [1929]'
C:\Users\LordXaX\Documents\Arduino\libraries\MPU6050/MPU6050.h:792: error: 'dmpMemory' has a previous declaration as 'prog_uchar dmpMemory [1929]'
C:\Users\LordXaX\Documents\Arduino\libraries\MPU6050/MPU6050_6Axis_MotionApps20.h:229: warning: only initialized variables can be placed into program memory area
C:\Users\LordXaX\Documents\Arduino\libraries\MPU6050/MPU6050_6Axis_MotionApps20.h:271: warning: only initialized variables can be placed into program memory area
C:\Users\LordXaX\Documents\Arduino\libraries\MPU6050/MPU6050_6Axis_MotionApps20.h:271: error: conflicting declaration 'const prog_uchar dmpUpdates [47]'
C:\Users\LordXaX\Documents\Arduino\libraries\MPU6050/MPU6050.h:931: error: 'dmpUpdates' has a previous declaration as 'uint8_t dmpUpdates [29][9]'
C:\Users\LordXaX\Documents\Arduino\libraries\MPU6050/MPU6050_6Axis_MotionApps20.h:281: error: no 'uint8_t MPU6050::dmpInitialize()' member function declared in class 'MPU6050'
C:\Users\LordXaX\Documents\Arduino\libraries\MPU6050/MPU6050_6Axis_MotionApps20.h:506: error: no 'bool MPU6050::dmpPacketAvailable()' member function declared in class 'MPU6050'
C:\Users\LordXaX\Documents\Arduino\libraries\MPU6050/MPU6050_6Axis_MotionApps20.h:533: error: no 'uint8_t MPU6050::dmpGetAccel(int32_t*, const uint8_t*)' member function declared in class 'MPU6050'
C:\Users\LordXaX\Documents\Arduino\libraries\MPU6050/MPU6050_6Axis_MotionApps20.h:541: error: no 'uint8_t MPU6050::dmpGetAccel(int16_t*, const uint8_t*)' member function declared in class 'MPU6050'
C:\Users\LordXaX\Documents\Arduino\libraries\MPU6050/MPU6050_6Axis_MotionApps20.h:549: error: no 'uint8_t MPU6050::dmpGetAccel(VectorInt16*, const uint8_t*)' member function declared in class 'MPU6050'
C:\Users\LordXaX\Documents\Arduino\libraries\MPU6050/MPU6050_6Axis_MotionApps20.h:557: error: no 'uint8_t MPU6050::dmpGetQuaternion(int32_t*, const uint8_t*)' member function declared in class 'MPU6050'
C:\Users\LordXaX\Documents\Arduino\libraries\MPU6050/MPU6050_6Axis_MotionApps20.h:566: error: no 'uint8_t MPU6050::dmpGetQuaternion(int16_t*, const uint8_t*)' member function declared in class 'MPU6050'
C:\Users\LordXaX\Documents\Arduino\libraries\MPU6050/MPU6050_6Axis_MotionApps20.h:575: error: no 'uint8_t MPU6050::dmpGetQuaternion(Quaternion*, const uint8_t*)' member function declared in class 'MPU6050'
C:\Users\LordXaX\Documents\Arduino\libraries\MPU6050/MPU6050_6Axis_MotionApps20.h:590: error: no 'uint8_t MPU6050::dmpGetGyro(int32_t*, const uint8_t*)' member function declared in class 'MPU6050'
C:\Users\LordXaX\Documents\Arduino\libraries\MPU6050/MPU6050_6Axis_MotionApps20.h:598: error: no 'uint8_t MPU6050::dmpGetGyro(int16_t*, const uint8_t*)' member function declared in class 'MPU6050'
C:\Users\LordXaX\Documents\Arduino\libraries\MPU6050/MPU6050_6Axis_MotionApps20.h:608: error: no 'uint8_t MPU6050::dmpGetLinearAccel(VectorInt16*, VectorInt16*, VectorFloat*)' member function declared in class 'MPU6050'
C:\Users\LordXaX\Documents\Arduino\libraries\MPU6050/MPU6050_6Axis_MotionApps20.h:616: error: no 'uint8_t MPU6050::dmpGetLinearAccelInWorld(VectorInt16*, VectorInt16*, Quaternion*)' member function declared in class 'MPU6050'
C:\Users\LordXaX\Documents\Arduino\libraries\MPU6050/MPU6050_6Axis_MotionApps20.h:628: error: no 'uint8_t MPU6050::dmpGetGravity(VectorFloat*, Quaternion*)' member function declared in class 'MPU6050'
C:\Users\LordXaX\Documents\Arduino\libraries\MPU6050/MPU6050_6Axis_MotionApps20.h:639: error: no 'uint8_t MPU6050::dmpGetEuler(float*, Quaternion*)' member function declared in class 'MPU6050'
C:\Users\LordXaX\Documents\Arduino\libraries\MPU6050/MPU6050_6Axis_MotionApps20.h:645: error: no 'uint8_t MPU6050::dmpGetYawPitchRoll(float*, Quaternion*, VectorFloat*)' member function declared in class 'MPU6050'
C:\Users\LordXaX\Documents\Arduino\libraries\MPU6050/MPU6050_6Axis_MotionApps20.h:658: error: no 'uint8_t MPU6050::dmpProcessFIFOPacket(const unsigned char*)' member function declared in class 'MPU6050'
C:\Users\LordXaX\Documents\Arduino\libraries\MPU6050/MPU6050_6Axis_MotionApps20.h:668: error: no 'uint8_t MPU6050::dmpReadAndProcessFIFOPacket(uint8_t, uint8_t*)' member function declared in class 'MPU6050'
C:\Users\LordXaX\Documents\Arduino\libraries\MPU6050/MPU6050_6Axis_MotionApps20.h:693: error: no 'uint16_t MPU6050::dmpGetFIFOPacketSize()' member function declared in class 'MPU6050'
sketch_dec08a.cpp: In function 'void setup()':
sketch_dec08a.cpp:177: warning: only initialized variables can be placed into program memory area
sketch_dec08a.cpp:181: warning: only initialized variables can be placed into program memory area
sketch_dec08a.cpp:182: warning: only initialized variables can be placed into program memory area
sketch_dec08a.cpp:182: warning: only initialized variables can be placed into program memory area
sketch_dec08a.cpp:185: warning: only initialized variables can be placed into program memory area
sketch_dec08a.cpp:191: warning: only initialized variables can be placed into program memory area
sketch_dec08a:187: error: 'class MPU6050' has no member named 'dmpInitialize'
sketch_dec08a.cpp:197: warning: only initialized variables can be placed into program memory area
sketch_dec08a.cpp:201: warning: only initialized variables can be placed into program memory area
sketch_dec08a:198: error: 'class MPU6050' has no member named 'getIntStatus'
sketch_dec08a.cpp:206: warning: only initialized variables can be placed into program memory area
sketch_dec08a:205: error: 'class MPU6050' has no member named 'dmpGetFIFOPacketSize'
sketch_dec08a.cpp:216: warning: only initialized variables can be placed into program memory area
sketch_dec08a.cpp:218: warning: only initialized variables can be placed into program memory area
sketch_dec08a.cpp: In function 'void loop()':
sketch_dec08a:246: error: 'class MPU6050' has no member named 'getIntStatus'
sketch_dec08a.cpp:260: warning: only initialized variables can be placed into program memory area
sketch_dec08a:263: error: 'class MPU6050' has no member named 'getFIFOBytes'

どうすればこれを克服できますか？

私は、このデバイスを使用して加速度/ジャイロスコープの値を取得しようと懸命に努力してきました。しかし、まだ成功していません。

編集

これは、コンパイル（検証）しようとしたときに得られるものです。

ここに画像の説明を入力

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4 に答える 4

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The MPU6050_DMP6 example provided by Jeff works for me. From your compile error, it seems that you've included MPU6050.h, instead of MPU6050_6Axis_MotionApps20.h. Make sure you include the correct one.

If you look at the library code, you'll notice that the .dmp___ methods are not implemented in the MPU6050.cpp file, but in the MPU6050_6Axis_MotionApps20.h file. If this doesn't solve it, post your code.

于 2012-12-12T07:38:11.563 に答える
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jeffs i2c .cpp および .h ファイルを mpu6050 ライブラリ ファイルと同じフォルダに入れてみてください。

于 2013-02-01T20:07:41.620 に答える
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I was having the same problem and it turned out I was including both MPU6050.h and MPU6050_6Axis_MotionApps20.h. I commented out MPU6050.h and it now compiles fine. Seems that the former was overriding the latter.

于 2013-03-07T23:16:15.723 に答える
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I2Cdev.cpp と I2C.h を MPU6050 ライブラリ フォルダに入れることで、コンパイルの問題を解決しました。(注意: これらはdevファイルです)。これらは Jeff のライブラリであり、 GitHubで見つけることができます

于 2014-12-27T15:53:40.683 に答える