test
Dependencies: HIDScope MODSERIAL mbed-dsp mbed
Fork of emg_filter2 by
Revision 28:2d1c7d7635d0, committed 2014-10-17
- Comitter:
- s1340735
- Date:
- Fri Oct 17 09:10:53 2014 +0000
- Parent:
- 27:24e73fd36859
- Child:
- 29:f54123765a47
- Commit message:
- testen
Changed in this revision
MAF.cpp | Show annotated file Show diff for this revision Revisions of this file |
MAF.h | Show annotated file Show diff for this revision Revisions of this file |
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/MAF.cpp Fri Oct 17 09:10:53 2014 +0000 @@ -0,0 +1,59 @@ +/* Copyright (c) <2012> MIT License + * + * Permission is hereby granted, free of charge, to any person obtaining a copy of this software + * and associated documentation files (the "Software"), to deal in the Software without restriction, + * including without limitation the rights to use, copy, modify, merge, publish, distribute, + * sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is + * furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be included in all copies or + * substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING + * BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND + * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, + * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, + * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. + * + * @section DESCRIPTION + * + * 10-Point Moving Average Filter + */ + +#include "MAF.h" + + MAF::MAF(){} + + float MAF::update(float data){ + + _k[0] = data; + _result = _k[0]*0.1 + _k[1]*0.1 + _k[2]*0.1 + _k[3]*0.1 + _k[4]*0.1 + _k[5]*0.1 + _k[6]*0.1 + _k[7]*0.1 + _k[8]*0.1 + _k[9]*0.1 ; + _k[9] = _k[8]; + _k[8] = _k[7]; + _k[7] = _k[6]; + _k[6] = _k[5]; + _k[5] = _k[4]; + _k[4] = _k[3]; + _k[3] = _k[2]; + _k[2] = _k[1]; + _k[1] = _k[0]; + + return _result; + } + + int MAF::updateInt(int data){ + + _a[0] = data; + _result = _a[0]*0.1 + _a[1]*0.1 + _a[2]*0.1 + _a[3]*0.1 + _a[4]*0.1 + _a[5]*0.1 + _a[6]*0.1 + _a[7]*0.1 + _a[8]*0.1 + _a[9]*0.1 ; + _a[9] = _a[8]; + _a[8] = _a[7]; + _a[7] = _a[6]; + _a[6] = _a[5]; + _a[5] = _a[4]; + _a[4] = _a[3]; + _a[3] = _a[2]; + _a[2] = _a[1]; + _a[1] = _a[0]; + + return _resultInt; + } \ No newline at end of file
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/MAF.h Fri Oct 17 09:10:53 2014 +0000 @@ -0,0 +1,85 @@ +/* Copyright (c) <2012> MIT License + * + * Permission is hereby granted, free of charge, to any person obtaining a copy of this software + * and associated documentation files (the "Software"), to deal in the Software without restriction, + * including without limitation the rights to use, copy, modify, merge, publish, distribute, + * sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is + * furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be included in all copies or + * substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING + * BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND + * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, + * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, + * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. + * + * @section DESCRIPTION + * + * Moving Average Filter + * + * + */ + +#ifndef MAF_H +#define MAF_H + +#include "mbed.h" + +/** 10-Point Moving Average filter + * + * Example: + * @code + * // Update the filter with gyroscope readings + * #include "mbed.h" + * #include "ITG3200.h" + * #include "MAF.h" + * + * Serial pc(USBTX, USBRX); + * ITG3200 gyro(p9, p10); + * MAF Filter(); + * int Average; + * + * int main() { + * + * gyro.setLpBandwidth(LPFBW_42HZ); + * + * while(1){ + * + * Average = Filter.updateInt(gyro.getGyroX()); + * pc.printf("%i\n",Average); + * wait_ms(50); + * } + * } + * @endcode + */ +class MAF { + + public: + + /* Creates a 10-Point Moving Average Filter object + * + */ + MAF(void); + + /* Updates the filter + * @param data new data input for the filter,returns the float average + */ + float update(float data); + + /* Updates the filter + * @param data new data input for the filter, returns the integer average + */ + int updateInt(int data); + + private : + + float _k[10]; + int _a[10]; + + float _result; + int _resultInt; +}; + +#endif \ No newline at end of file