Simplified version of FFT code - drives on-board LED as a "Colour Organ".
Dependencies: FastAnalogIn NVIC_set_all_priorities mbed-dsp mbed
Fork of KL25Z_FFT_Demo_tony by
arm_const_structs.h
- Committer:
- tony1tf
- Date:
- 2014-06-17
- Revision:
- 0:b8c9dffbbe7e
File content as of revision 0:b8c9dffbbe7e:
/* ---------------------------------------------------------------------- * Copyright (C) 2010-2013 ARM Limited. All rights reserved. * * $Date: 17. January 2013 * $Revision: V1.4.1 * * Project: CMSIS DSP Library * Title: arm_const_structs.h * * Description: This file has constant structs that are initialized for * user convenience. For example, some can be given as * arguments to the arm_cfft_f32() function. * * Target Processor: Cortex-M4/Cortex-M3 * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * - Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * - Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in * the documentation and/or other materials provided with the * distribution. * - Neither the name of ARM LIMITED nor the names of its contributors * may be used to endorse or promote products derived from this * software without specific prior written permission. * * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE * COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE * POSSIBILITY OF SUCH DAMAGE. * -------------------------------------------------------------------- */ #ifndef _ARM_CONST_STRUCTS_H #define _ARM_CONST_STRUCTS_H #include "arm_math.h" #include "arm_common_tables.h" const arm_cfft_instance_f32 arm_cfft_sR_f32_len16 = { 16, twiddleCoef_16, armBitRevIndexTable16, ARMBITREVINDEXTABLE__16_TABLE_LENGTH }; const arm_cfft_instance_f32 arm_cfft_sR_f32_len32 = { 32, twiddleCoef_32, armBitRevIndexTable32, ARMBITREVINDEXTABLE__32_TABLE_LENGTH }; const arm_cfft_instance_f32 arm_cfft_sR_f32_len64 = { 64, twiddleCoef_64, armBitRevIndexTable64, ARMBITREVINDEXTABLE__64_TABLE_LENGTH }; const arm_cfft_instance_f32 arm_cfft_sR_f32_len128 = { 128, twiddleCoef_128, armBitRevIndexTable128, ARMBITREVINDEXTABLE_128_TABLE_LENGTH }; const arm_cfft_instance_f32 arm_cfft_sR_f32_len256 = { 256, twiddleCoef_256, armBitRevIndexTable256, ARMBITREVINDEXTABLE_256_TABLE_LENGTH }; const arm_cfft_instance_f32 arm_cfft_sR_f32_len512 = { 512, twiddleCoef_512, armBitRevIndexTable512, ARMBITREVINDEXTABLE_512_TABLE_LENGTH }; const arm_cfft_instance_f32 arm_cfft_sR_f32_len1024 = { 1024, twiddleCoef_1024, armBitRevIndexTable1024, ARMBITREVINDEXTABLE1024_TABLE_LENGTH }; const arm_cfft_instance_f32 arm_cfft_sR_f32_len2048 = { 2048, twiddleCoef_2048, armBitRevIndexTable2048, ARMBITREVINDEXTABLE2048_TABLE_LENGTH }; const arm_cfft_instance_f32 arm_cfft_sR_f32_len4096 = { 4096, twiddleCoef_4096, armBitRevIndexTable4096, ARMBITREVINDEXTABLE4096_TABLE_LENGTH }; #endif