| 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) |