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152 lines
3.8 KiB
C++
152 lines
3.8 KiB
C++
/* ----------------------------------------------------------------------
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* Project: CMSIS DSP Library
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* Title: CFFT.h
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* Description: Node for CMSIS-DSP cfft
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*
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* $Date: 30 July 2021
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* $Revision: V1.10.0
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*
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* Target Processor: Cortex-M and Cortex-A cores
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* -------------------------------------------------------------------- */
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/*
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* Copyright (C) 2010-2021 ARM Limited or its affiliates. All rights reserved.
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*
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* SPDX-License-Identifier: Apache-2.0
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*
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* Licensed under the Apache License, Version 2.0 (the License); you may
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* not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an AS IS BASIS, WITHOUT
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* WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#ifndef _CFFT_H_
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#define _CFFT_H_
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template<typename IN, int inputSize,typename OUT,int outputSize>
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class CFFT;
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/*
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The CMSIS-DSP CFFT F32
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*/
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template<int inputSize>
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class CFFT<float32_t,inputSize,float32_t,inputSize>: public GenericNode<float32_t,inputSize,float32_t,inputSize>
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{
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public:
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CFFT(FIFOBase<float32_t> &src,FIFOBase<float32_t> &dst):GenericNode<float32_t,inputSize,float32_t,inputSize>(src,dst){
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arm_status status;
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status=arm_cfft_init_f32(&sfft,inputSize>>1);
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};
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int prepareForRunning() override
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{
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if (this->willOverflow() ||
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this->willUnderflow()
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)
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{
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return(CG_SKIP_EXECUTION_ID_CODE); // Skip execution
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}
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return(0);
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};
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int run() override
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{
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float32_t *a=this->getReadBuffer();
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float32_t *b=this->getWriteBuffer();
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memcpy((void*)b,(void*)a,inputSize*sizeof(float32_t));
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arm_cfft_f32(&sfft,b,0,1);
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return(0);
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};
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arm_cfft_instance_f32 sfft;
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};
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#if defined(ARM_FLOAT16_SUPPORTED)
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/*
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The CMSIS-DSP CFFT F32
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*/
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template<int inputSize>
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class CFFT<float16_t,inputSize,float16_t,inputSize>: public GenericNode<float16_t,inputSize,float16_t,inputSize>
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{
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public:
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CFFT(FIFOBase<float16_t> &src,FIFOBase<float16_t> &dst):GenericNode<float16_t,inputSize,float16_t,inputSize>(src,dst){
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arm_status status;
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status=arm_cfft_init_f16(&sfft,inputSize>>1);
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};
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int prepareForRunning() override
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{
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if (this->willOverflow() ||
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this->willUnderflow()
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)
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{
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return(CG_SKIP_EXECUTION_ID_CODE); // Skip execution
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}
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return(0);
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};
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int run() override
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{
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float16_t *a=this->getReadBuffer();
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float16_t *b=this->getWriteBuffer();
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memcpy((void*)b,(void*)a,inputSize*sizeof(float16_t));
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arm_cfft_f16(&sfft,b,0,1);
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return(0);
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};
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arm_cfft_instance_f16 sfft;
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};
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#endif
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/*
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The CMSIS-DSP CFFT Q15
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*/
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template<int inputSize>
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class CFFT<q15_t,inputSize,q15_t,inputSize>: public GenericNode<q15_t,inputSize,q15_t,inputSize>
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{
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public:
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CFFT(FIFOBase<q15_t> &src,FIFOBase<q15_t> &dst):GenericNode<q15_t,inputSize,q15_t,inputSize>(src,dst){
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arm_status status;
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status=arm_cfft_init_q15(&sfft,inputSize>>1);
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};
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int prepareForRunning() override
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{
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if (this->willOverflow() ||
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this->willUnderflow()
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)
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{
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return(CG_SKIP_EXECUTION_ID_CODE); // Skip execution
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}
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return(0);
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};
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int run() override
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{
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q15_t *a=this->getReadBuffer();
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q15_t *b=this->getWriteBuffer();
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memcpy((void*)b,(void*)a,inputSize*sizeof(q15_t));
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arm_cfft_q15(&sfft,b,0,1);
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return(0);
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};
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arm_cfft_instance_q15 sfft;
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};
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#endif |