mirror of https://github.com/ARMmbed/mbed-os.git
49 lines
1.6 KiB
C++
49 lines
1.6 KiB
C++
/* mbed Microcontroller Library
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* Copyright (c) 2006-2012 ARM Limited
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*
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* Permission is hereby granted, free of charge, to any person obtaining a copy
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* of this software and associated documentation files (the "Software"), to deal
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* in the Software without restriction, including without limitation the rights
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* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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* copies of the Software, and to permit persons to whom the Software is
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* furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included in
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* all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
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* SOFTWARE.
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*/
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#ifndef SINE_F32_H
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#define SINE_F32_H
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#include <stdint.h>
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#include "arm_math.h"
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namespace dsp {
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class Sine_f32 {
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public:
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Sine_f32(uint32_t frequency, uint32_t sample_rate=48000, float32_t amplitude=1.f, float32_t phase=0.0, uint32_t block_size=32);
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void process(float32_t *sgn_in, float32_t *sgn_out);
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void generate(float32_t *sgn);
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void reset(void);
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private:
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float32_t _dx;
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float32_t _amplitude;
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float32_t _x;
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uint32_t _block_size;
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};
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}
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#endif
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