import numpy as np import math import argparse parser = argparse.ArgumentParser(description='Generate C arrays') parser.add_argument('-f', nargs='?',type = str, default="../Source/CommonTables/arm_mve_tables.c", help="C File path") parser.add_argument('-he', nargs='?',type = str, default="../Include/arm_mve_tables.h", help="H File path") args = parser.parse_args() COLLIM = 80 condition="""#if !defined(ARM_DSP_CONFIG_TABLES) || defined(ARM_ALL_FFT_TABLES) || defined(ARM_TABLE_TWIDDLECOEF_F32_%d) || defined(ARM_TABLE_TWIDDLECOEF_F32_%d) """ def printCUInt32Array(f,name,arr): nb = 0 print("uint32_t %s[%d]={" % (name,len(arr)),file=f) for d in arr: val = "%d," % d nb = nb + len(val) if nb > COLLIM: print("",file=f) nb = len(val) print(val,end="",file=f) print("};\n",file=f) def printCFloat32Array(f,name,arr): nb = 0 print("float32_t %s[%d]={" % (name,len(arr)),file=f) for d in arr: val = "%.20ff," % d nb = nb + len(val) if nb > COLLIM: print("",file=f) nb = len(val) print(val,end="",file=f) print("};\n",file=f) def printHUInt32Array(f,name,arr): print("extern uint32_t %s[%d];" % (name,len(arr)),file=f) def printHFloat32Array(f,name,arr): print("extern float32_t %s[%d];" % (name,len(arr)),file=f) def twiddle(n): a=2.0*math.pi*np.linspace(0,n,num=n,endpoint=False)/n c=np.cos(a) s=np.sin(a) r = np.empty((c.size + s.size,), dtype=c.dtype) r[0::2] = c r[1::2] = s return(r) def reorderTwiddle(f,h,n): numStages = 6 coefs= twiddle(n) if n == 4096: numStages = 6 arraySize = 1364 if n == 1024: numStages = 5 arraySize = 340 if n == 256: numStages = 4 arraySize = 84 if n == 64: numStages = 3 arraySize = 20 if n == 16: numStages = 2 arraySize = 4 incr = 1 nbOfElt = n maxNb = 0 tab1 = np.zeros(2*arraySize) tab2 = np.zeros(2*arraySize) tab3 = np.zeros(2*arraySize) tab1Index=0 tab2Index=0 tab3Index=0 tab1Offset = np.zeros(numStages) tab2Offset = np.zeros(numStages) tab3Offset = np.zeros(numStages) for stage in range(0,numStages-1): nbOfElt = nbOfElt >> 2 pVectCoef1 = 0 pVectCoef2 = 0 pVectCoef3 = 0 tab1Offset[stage] = tab1Index tab2Offset[stage] = tab2Index tab3Offset[stage] = tab3Index for i in range(0,nbOfElt): tab1[tab1Index] = coefs[pVectCoef1] tab1[tab1Index + 1] = coefs[pVectCoef1 + 1]; tab1Index = tab1Index + 2 pVectCoef1 = pVectCoef1 + (incr * 1 * 2) tab2[tab2Index] = coefs[pVectCoef2] tab2[tab2Index + 1] = coefs[pVectCoef2 + 1]; tab2Index = tab2Index + 2 pVectCoef2 = pVectCoef2 + (incr * 2 * 2) tab3[tab3Index] = coefs[pVectCoef3] tab3[tab3Index + 1] = coefs[pVectCoef3 + 1]; tab3Index = tab3Index + 2 pVectCoef3 = pVectCoef3 + (incr * 3 * 2) maxNb = maxNb + 1 incr = 4 * incr print(condition % (n, n << 1),file=f) print(condition % (n, n << 1),file=h) printCUInt32Array(f,"rearranged_twiddle_tab_stride1_arr_%d" % n,list(tab1Offset)) printHUInt32Array(h,"rearranged_twiddle_tab_stride1_arr_%d" % n,list(tab1Offset)) printCUInt32Array(f,"rearranged_twiddle_tab_stride2_arr_%d" % n,list(tab2Offset)) printHUInt32Array(h,"rearranged_twiddle_tab_stride2_arr_%d" % n,list(tab2Offset)) printCUInt32Array(f,"rearranged_twiddle_tab_stride3_arr_%d" % n,list(tab3Offset)) printHUInt32Array(h,"rearranged_twiddle_tab_stride3_arr_%d" % n,list(tab3Offset)) printCFloat32Array(f,"rearranged_twiddle_stride1_%d" % n,list(tab1)) printHFloat32Array(h,"rearranged_twiddle_stride1_%d" % n,list(tab1)) printCFloat32Array(f,"rearranged_twiddle_stride2_%d" % n,list(tab2)) printHFloat32Array(h,"rearranged_twiddle_stride2_%d" % n,list(tab2)) printCFloat32Array(f,"rearranged_twiddle_stride3_%d" % n,list(tab3)) printHFloat32Array(h,"rearranged_twiddle_stride3_%d" % n,list(tab3)) print("#endif\n",file=f) print("#endif\n",file=h) #test = twiddle(16) #printCFloat32Array("Test",list(test)) cheader="""/* ---------------------------------------------------------------------- * Project: CMSIS DSP Library * Title: arm_mve_tables.c * Description: common tables like fft twiddle factors, Bitreverse, reciprocal etc * used for MVE implementation only * * $Date: 08. January 2020 * $Revision: V1.7.0 * * Target Processor: Cortex-M cores * -------------------------------------------------------------------- */ /* * Copyright (C) 2010-2020 ARM Limited or its affiliates. All rights reserved. * * SPDX-License-Identifier: Apache-2.0 * * Licensed under the Apache License, Version 2.0 (the License); you may * not use this file except in compliance with the License. * You may obtain a copy of the License at * * www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an AS IS BASIS, WITHOUT * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. */ #include "arm_math.h" #if defined(ARM_MATH_MVEF) && !defined(ARM_MATH_AUTOVECTORIZE) #if !defined(ARM_DSP_CONFIG_TABLES) || defined(ARM_FFT_ALLOW_TABLES) """ cfooter=""" #endif /* !defined(ARM_DSP_CONFIG_TABLES) || defined(ARM_FFT_ALLOW_TABLES) */ #endif /* defined(ARM_MATH_MVEF) && !defined(ARM_MATH_AUTOVECTORIZE) */ """ hheader="""/* ---------------------------------------------------------------------- * Project: CMSIS DSP Library * Title: arm_mve_tables.h * Description: common tables like fft twiddle factors, Bitreverse, reciprocal etc * used for MVE implementation only * * $Date: 08. January 2020 * $Revision: V1.7.0 * * Target Processor: Cortex-M cores * -------------------------------------------------------------------- */ /* * Copyright (C) 2010-2020 ARM Limited or its affiliates. All rights reserved. * * SPDX-License-Identifier: Apache-2.0 * * Licensed under the Apache License, Version 2.0 (the License); you may * not use this file except in compliance with the License. * You may obtain a copy of the License at * * www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an AS IS BASIS, WITHOUT * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. */ #ifndef _ARM_MVE_TABLES_H #define _ARM_MVE_TABLES_H #include "arm_math.h" #if defined(ARM_MATH_MVEF) && !defined(ARM_MATH_AUTOVECTORIZE) #if !defined(ARM_DSP_CONFIG_TABLES) || defined(ARM_FFT_ALLOW_TABLES) """ hfooter=""" #endif /* !defined(ARM_DSP_CONFIG_TABLES) || defined(ARM_FFT_ALLOW_TABLES) */ #endif /* defined(ARM_MATH_MVEF) && !defined(ARM_MATH_AUTOVECTORIZE) */ #endif /*_ARM_MVE_TABLES_H*/ """ with open(args.f,'w') as f: with open(args.he,'w') as h: print(cheader,file=f) print(hheader,file=h) reorderTwiddle(f,h,16) reorderTwiddle(f,h,64) reorderTwiddle(f,h,256) reorderTwiddle(f,h,1024) reorderTwiddle(f,h,4096) print(cfooter,file=f) print(hfooter,file=h)