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Add arm_math.h (thanks Manitou)

teensy4-core
PaulStoffregen 6 years ago
parent
d3f5573910
commit
51233b208c
5 changed files with 10422 additions and 0 deletions
Unified View Show Diff Stats
  1. +121
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      teensy4/arm_common_tables.h
  2. +66
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      teensy4/arm_const_structs.h
  3. +7201
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      teensy4/arm_math.h
  4. +2660
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      teensy4/core_cm7.h
  5. +374
    -0
      teensy4/core_cmInstr.h

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teensy4/arm_common_tables.h View File

/* ----------------------------------------------------------------------
* Project: CMSIS DSP Library
* Title: arm_common_tables.h
* Description: Extern declaration for common tables
*
* $Date: 27. January 2017
* $Revision: V.1.5.1
*
* Target Processor: Cortex-M cores
* -------------------------------------------------------------------- */
/*
* Copyright (C) 2010-2017 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_COMMON_TABLES_H
#define _ARM_COMMON_TABLES_H

#include "arm_math.h"

extern const uint16_t armBitRevTable[1024];
extern const q15_t armRecipTableQ15[64];
extern const q31_t armRecipTableQ31[64];
extern const float32_t twiddleCoef_16[32];
extern const float32_t twiddleCoef_32[64];
extern const float32_t twiddleCoef_64[128];
extern const float32_t twiddleCoef_128[256];
extern const float32_t twiddleCoef_256[512];
extern const float32_t twiddleCoef_512[1024];
extern const float32_t twiddleCoef_1024[2048];
extern const float32_t twiddleCoef_2048[4096];
extern const float32_t twiddleCoef_4096[8192];
#define twiddleCoef twiddleCoef_4096
extern const q31_t twiddleCoef_16_q31[24];
extern const q31_t twiddleCoef_32_q31[48];
extern const q31_t twiddleCoef_64_q31[96];
extern const q31_t twiddleCoef_128_q31[192];
extern const q31_t twiddleCoef_256_q31[384];
extern const q31_t twiddleCoef_512_q31[768];
extern const q31_t twiddleCoef_1024_q31[1536];
extern const q31_t twiddleCoef_2048_q31[3072];
extern const q31_t twiddleCoef_4096_q31[6144];
extern const q15_t twiddleCoef_16_q15[24];
extern const q15_t twiddleCoef_32_q15[48];
extern const q15_t twiddleCoef_64_q15[96];
extern const q15_t twiddleCoef_128_q15[192];
extern const q15_t twiddleCoef_256_q15[384];
extern const q15_t twiddleCoef_512_q15[768];
extern const q15_t twiddleCoef_1024_q15[1536];
extern const q15_t twiddleCoef_2048_q15[3072];
extern const q15_t twiddleCoef_4096_q15[6144];
extern const float32_t twiddleCoef_rfft_32[32];
extern const float32_t twiddleCoef_rfft_64[64];
extern const float32_t twiddleCoef_rfft_128[128];
extern const float32_t twiddleCoef_rfft_256[256];
extern const float32_t twiddleCoef_rfft_512[512];
extern const float32_t twiddleCoef_rfft_1024[1024];
extern const float32_t twiddleCoef_rfft_2048[2048];
extern const float32_t twiddleCoef_rfft_4096[4096];

/* floating-point bit reversal tables */
#define ARMBITREVINDEXTABLE_16_TABLE_LENGTH ((uint16_t)20)
#define ARMBITREVINDEXTABLE_32_TABLE_LENGTH ((uint16_t)48)
#define ARMBITREVINDEXTABLE_64_TABLE_LENGTH ((uint16_t)56)
#define ARMBITREVINDEXTABLE_128_TABLE_LENGTH ((uint16_t)208)
#define ARMBITREVINDEXTABLE_256_TABLE_LENGTH ((uint16_t)440)
#define ARMBITREVINDEXTABLE_512_TABLE_LENGTH ((uint16_t)448)
#define ARMBITREVINDEXTABLE_1024_TABLE_LENGTH ((uint16_t)1800)
#define ARMBITREVINDEXTABLE_2048_TABLE_LENGTH ((uint16_t)3808)
#define ARMBITREVINDEXTABLE_4096_TABLE_LENGTH ((uint16_t)4032)

extern const uint16_t armBitRevIndexTable16[ARMBITREVINDEXTABLE_16_TABLE_LENGTH];
extern const uint16_t armBitRevIndexTable32[ARMBITREVINDEXTABLE_32_TABLE_LENGTH];
extern const uint16_t armBitRevIndexTable64[ARMBITREVINDEXTABLE_64_TABLE_LENGTH];
extern const uint16_t armBitRevIndexTable128[ARMBITREVINDEXTABLE_128_TABLE_LENGTH];
extern const uint16_t armBitRevIndexTable256[ARMBITREVINDEXTABLE_256_TABLE_LENGTH];
extern const uint16_t armBitRevIndexTable512[ARMBITREVINDEXTABLE_512_TABLE_LENGTH];
extern const uint16_t armBitRevIndexTable1024[ARMBITREVINDEXTABLE_1024_TABLE_LENGTH];
extern const uint16_t armBitRevIndexTable2048[ARMBITREVINDEXTABLE_2048_TABLE_LENGTH];
extern const uint16_t armBitRevIndexTable4096[ARMBITREVINDEXTABLE_4096_TABLE_LENGTH];

/* fixed-point bit reversal tables */
#define ARMBITREVINDEXTABLE_FIXED_16_TABLE_LENGTH ((uint16_t)12)
#define ARMBITREVINDEXTABLE_FIXED_32_TABLE_LENGTH ((uint16_t)24)
#define ARMBITREVINDEXTABLE_FIXED_64_TABLE_LENGTH ((uint16_t)56)
#define ARMBITREVINDEXTABLE_FIXED_128_TABLE_LENGTH ((uint16_t)112)
#define ARMBITREVINDEXTABLE_FIXED_256_TABLE_LENGTH ((uint16_t)240)
#define ARMBITREVINDEXTABLE_FIXED_512_TABLE_LENGTH ((uint16_t)480)
#define ARMBITREVINDEXTABLE_FIXED_1024_TABLE_LENGTH ((uint16_t)992)
#define ARMBITREVINDEXTABLE_FIXED_2048_TABLE_LENGTH ((uint16_t)1984)
#define ARMBITREVINDEXTABLE_FIXED_4096_TABLE_LENGTH ((uint16_t)4032)

extern const uint16_t armBitRevIndexTable_fixed_16[ARMBITREVINDEXTABLE_FIXED_16_TABLE_LENGTH];
extern const uint16_t armBitRevIndexTable_fixed_32[ARMBITREVINDEXTABLE_FIXED_32_TABLE_LENGTH];
extern const uint16_t armBitRevIndexTable_fixed_64[ARMBITREVINDEXTABLE_FIXED_64_TABLE_LENGTH];
extern const uint16_t armBitRevIndexTable_fixed_128[ARMBITREVINDEXTABLE_FIXED_128_TABLE_LENGTH];
extern const uint16_t armBitRevIndexTable_fixed_256[ARMBITREVINDEXTABLE_FIXED_256_TABLE_LENGTH];
extern const uint16_t armBitRevIndexTable_fixed_512[ARMBITREVINDEXTABLE_FIXED_512_TABLE_LENGTH];
extern const uint16_t armBitRevIndexTable_fixed_1024[ARMBITREVINDEXTABLE_FIXED_1024_TABLE_LENGTH];
extern const uint16_t armBitRevIndexTable_fixed_2048[ARMBITREVINDEXTABLE_FIXED_2048_TABLE_LENGTH];
extern const uint16_t armBitRevIndexTable_fixed_4096[ARMBITREVINDEXTABLE_FIXED_4096_TABLE_LENGTH];

/* Tables for Fast Math Sine and Cosine */
extern const float32_t sinTable_f32[FAST_MATH_TABLE_SIZE + 1];
extern const q31_t sinTable_q31[FAST_MATH_TABLE_SIZE + 1];
extern const q15_t sinTable_q15[FAST_MATH_TABLE_SIZE + 1];

#endif /* ARM_COMMON_TABLES_H */

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teensy4/arm_const_structs.h View File

/* ----------------------------------------------------------------------
* Project: CMSIS DSP Library
* Title: arm_const_structs.h
* Description: Constant structs that are initialized for user convenience.
* For example, some can be given as arguments to the arm_cfft_f32() function.
*
* $Date: 27. January 2017
* $Revision: V.1.5.1
*
* Target Processor: Cortex-M cores
* -------------------------------------------------------------------- */
/*
* Copyright (C) 2010-2017 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_CONST_STRUCTS_H
#define _ARM_CONST_STRUCTS_H

#include "arm_math.h"
#include "arm_common_tables.h"

extern const arm_cfft_instance_f32 arm_cfft_sR_f32_len16;
extern const arm_cfft_instance_f32 arm_cfft_sR_f32_len32;
extern const arm_cfft_instance_f32 arm_cfft_sR_f32_len64;
extern const arm_cfft_instance_f32 arm_cfft_sR_f32_len128;
extern const arm_cfft_instance_f32 arm_cfft_sR_f32_len256;
extern const arm_cfft_instance_f32 arm_cfft_sR_f32_len512;
extern const arm_cfft_instance_f32 arm_cfft_sR_f32_len1024;
extern const arm_cfft_instance_f32 arm_cfft_sR_f32_len2048;
extern const arm_cfft_instance_f32 arm_cfft_sR_f32_len4096;

extern const arm_cfft_instance_q31 arm_cfft_sR_q31_len16;
extern const arm_cfft_instance_q31 arm_cfft_sR_q31_len32;
extern const arm_cfft_instance_q31 arm_cfft_sR_q31_len64;
extern const arm_cfft_instance_q31 arm_cfft_sR_q31_len128;
extern const arm_cfft_instance_q31 arm_cfft_sR_q31_len256;
extern const arm_cfft_instance_q31 arm_cfft_sR_q31_len512;
extern const arm_cfft_instance_q31 arm_cfft_sR_q31_len1024;
extern const arm_cfft_instance_q31 arm_cfft_sR_q31_len2048;
extern const arm_cfft_instance_q31 arm_cfft_sR_q31_len4096;

extern const arm_cfft_instance_q15 arm_cfft_sR_q15_len16;
extern const arm_cfft_instance_q15 arm_cfft_sR_q15_len32;
extern const arm_cfft_instance_q15 arm_cfft_sR_q15_len64;
extern const arm_cfft_instance_q15 arm_cfft_sR_q15_len128;
extern const arm_cfft_instance_q15 arm_cfft_sR_q15_len256;
extern const arm_cfft_instance_q15 arm_cfft_sR_q15_len512;
extern const arm_cfft_instance_q15 arm_cfft_sR_q15_len1024;
extern const arm_cfft_instance_q15 arm_cfft_sR_q15_len2048;
extern const arm_cfft_instance_q15 arm_cfft_sR_q15_len4096;

#endif

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teensy4/arm_math.h
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+ 2660
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teensy4/core_cm7.h
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+ 374
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teensy4/core_cmInstr.h View File

/**************************************************************************//**
* @file core_cmInstr.h
* @brief CMSIS Cortex-M Core Instruction Access Header File
* @version V3.01
* @date 06. March 2012
*
* @note
* Copyright (C) 2009-2012 ARM Limited. All rights reserved.
*
* @par
* ARM Limited (ARM) is supplying this software for use with Cortex-M
* processor based microcontrollers. This file can be freely distributed
* within development tools that are supporting such ARM based processors.
*
* @par
* THIS SOFTWARE IS PROVIDED "AS IS". NO WARRANTIES, WHETHER EXPRESS, IMPLIED
* OR STATUTORY, INCLUDING, BUT NOT LIMITED TO, IMPLIED WARRANTIES OF
* MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE APPLY TO THIS SOFTWARE.
* ARM SHALL NOT, IN ANY CIRCUMSTANCES, BE LIABLE FOR SPECIAL, INCIDENTAL, OR
* CONSEQUENTIAL DAMAGES, FOR ANY REASON WHATSOEVER.
*
******************************************************************************/

#ifndef __CORE_CMINSTR_H
#define __CORE_CMINSTR_H


/* ########################## Core Instruction Access ######################### */
/** \defgroup CMSIS_Core_InstructionInterface CMSIS Core Instruction Interface
Access to dedicated instructions
@{
*/


#if defined ( __GNUC__ ) /*------------------ GNU Compiler ---------------------*/
/* GNU gcc specific functions */

/** \brief No Operation

No Operation does nothing. This instruction can be used for code alignment purposes.
*/
__attribute__( ( always_inline ) ) __STATIC_INLINE void __NOP(void)
{
__ASM volatile ("nop");
}


/** \brief Wait For Interrupt

Wait For Interrupt is a hint instruction that suspends execution
until one of a number of events occurs.
*/
__attribute__( ( always_inline ) ) __STATIC_INLINE void __WFI(void)
{
__ASM volatile ("wfi");
}


/** \brief Wait For Event

Wait For Event is a hint instruction that permits the processor to enter
a low-power state until one of a number of events occurs.
*/
__attribute__( ( always_inline ) ) __STATIC_INLINE void __WFE(void)
{
__ASM volatile ("wfe");
}


/** \brief Send Event

Send Event is a hint instruction. It causes an event to be signaled to the CPU.
*/
__attribute__( ( always_inline ) ) __STATIC_INLINE void __SEV(void)
{
__ASM volatile ("sev");
}


/** \brief Instruction Synchronization Barrier

Instruction Synchronization Barrier flushes the pipeline in the processor,
so that all instructions following the ISB are fetched from cache or
memory, after the instruction has been completed.
*/
__attribute__( ( always_inline ) ) __STATIC_INLINE void __ISB(void)
{
__ASM volatile ("isb");
}


/** \brief Data Synchronization Barrier

This function acts as a special kind of Data Memory Barrier.
It completes when all explicit memory accesses before this instruction complete.
*/
__attribute__( ( always_inline ) ) __STATIC_INLINE void __DSB(void)
{
__ASM volatile ("dsb");
}


/** \brief Data Memory Barrier

This function ensures the apparent order of the explicit memory operations before
and after the instruction, without ensuring their completion.
*/
__attribute__( ( always_inline ) ) __STATIC_INLINE void __DMB(void)
{
__ASM volatile ("dmb");
}


/** \brief Reverse byte order (32 bit)

This function reverses the byte order in integer value.

\param [in] value Value to reverse
\return Reversed value
*/
__attribute__( ( always_inline ) ) __STATIC_INLINE uint32_t __REV(uint32_t value)
{
uint32_t result;

__ASM volatile ("rev %0, %1" : "=r" (result) : "r" (value) );
return(result);
}


/** \brief Reverse byte order (16 bit)

This function reverses the byte order in two unsigned short values.

\param [in] value Value to reverse
\return Reversed value
*/
__attribute__( ( always_inline ) ) __STATIC_INLINE uint32_t __REV16(uint32_t value)
{
uint32_t result;

__ASM volatile ("rev16 %0, %1" : "=r" (result) : "r" (value) );
return(result);
}


/** \brief Reverse byte order in signed short value

This function reverses the byte order in a signed short value with sign extension to integer.

\param [in] value Value to reverse
\return Reversed value
*/
__attribute__( ( always_inline ) ) __STATIC_INLINE int32_t __REVSH(int32_t value)
{
uint32_t result;

__ASM volatile ("revsh %0, %1" : "=r" (result) : "r" (value) );
return(result);
}


/** \brief Rotate Right in unsigned value (32 bit)

This function Rotate Right (immediate) provides the value of the contents of a register rotated by a variable number of bits.

\param [in] value Value to rotate
\param [in] value Number of Bits to rotate
\return Rotated value
*/
__attribute__( ( always_inline ) ) __STATIC_INLINE uint32_t __ROR(uint32_t op1, uint32_t op2)
{

__ASM volatile ("ror %0, %0, %1" : "+r" (op1) : "r" (op2) );
return(op1);
}


#if (__CORTEX_M >= 0x03)

/** \brief Reverse bit order of value

This function reverses the bit order of the given value.

\param [in] value Value to reverse
\return Reversed value
*/
__attribute__( ( always_inline ) ) __STATIC_INLINE uint32_t __RBIT(uint32_t value)
{
uint32_t result;

__ASM volatile ("rbit %0, %1" : "=r" (result) : "r" (value) );
return(result);
}


/** \brief LDR Exclusive (8 bit)

This function performs a exclusive LDR command for 8 bit value.

\param [in] ptr Pointer to data
\return value of type uint8_t at (*ptr)
*/
__attribute__( ( always_inline ) ) __STATIC_INLINE uint8_t __LDREXB(volatile uint8_t *addr)
{
uint8_t result;

__ASM volatile ("ldrexb %0, [%1]" : "=r" (result) : "r" (addr) );
return(result);
}


/** \brief LDR Exclusive (16 bit)

This function performs a exclusive LDR command for 16 bit values.

\param [in] ptr Pointer to data
\return value of type uint16_t at (*ptr)
*/
__attribute__( ( always_inline ) ) __STATIC_INLINE uint16_t __LDREXH(volatile uint16_t *addr)
{
uint16_t result;

__ASM volatile ("ldrexh %0, [%1]" : "=r" (result) : "r" (addr) );
return(result);
}


/** \brief LDR Exclusive (32 bit)

This function performs a exclusive LDR command for 32 bit values.

\param [in] ptr Pointer to data
\return value of type uint32_t at (*ptr)
*/
__attribute__( ( always_inline ) ) __STATIC_INLINE uint32_t __LDREXW(volatile uint32_t *addr)
{
uint32_t result;

__ASM volatile ("ldrex %0, [%1]" : "=r" (result) : "r" (addr) );
return(result);
}


/** \brief STR Exclusive (8 bit)

This function performs a exclusive STR command for 8 bit values.

\param [in] value Value to store
\param [in] ptr Pointer to location
\return 0 Function succeeded
\return 1 Function failed
*/
__attribute__( ( always_inline ) ) __STATIC_INLINE uint32_t __STREXB(uint8_t value, volatile uint8_t *addr)
{
uint32_t result;

__ASM volatile ("strexb %0, %2, [%1]" : "=&r" (result) : "r" (addr), "r" (value) );
return(result);
}


/** \brief STR Exclusive (16 bit)

This function performs a exclusive STR command for 16 bit values.

\param [in] value Value to store
\param [in] ptr Pointer to location
\return 0 Function succeeded
\return 1 Function failed
*/
__attribute__( ( always_inline ) ) __STATIC_INLINE uint32_t __STREXH(uint16_t value, volatile uint16_t *addr)
{
uint32_t result;

__ASM volatile ("strexh %0, %2, [%1]" : "=&r" (result) : "r" (addr), "r" (value) );
return(result);
}


/** \brief STR Exclusive (32 bit)

This function performs a exclusive STR command for 32 bit values.

\param [in] value Value to store
\param [in] ptr Pointer to location
\return 0 Function succeeded
\return 1 Function failed
*/
__attribute__( ( always_inline ) ) __STATIC_INLINE uint32_t __STREXW(uint32_t value, volatile uint32_t *addr)
{
uint32_t result;

__ASM volatile ("strex %0, %2, [%1]" : "=&r" (result) : "r" (addr), "r" (value) );
return(result);
}


/** \brief Remove the exclusive lock

This function removes the exclusive lock which is created by LDREX.

*/
__attribute__( ( always_inline ) ) __STATIC_INLINE void __CLREX(void)
{
__ASM volatile ("clrex");
}


/** \brief Signed Saturate

This function saturates a signed value.

\param [in] value Value to be saturated
\param [in] sat Bit position to saturate to (1..32)
\return Saturated value
*/
#define __SSAT(ARG1,ARG2) \
({ \
uint32_t __RES, __ARG1 = (ARG1); \
__ASM ("ssat %0, %1, %2" : "=r" (__RES) : "I" (ARG2), "r" (__ARG1) ); \
__RES; \
})


/** \brief Unsigned Saturate

This function saturates an unsigned value.

\param [in] value Value to be saturated
\param [in] sat Bit position to saturate to (0..31)
\return Saturated value
*/
#define __USAT(ARG1,ARG2) \
({ \
uint32_t __RES, __ARG1 = (ARG1); \
__ASM ("usat %0, %1, %2" : "=r" (__RES) : "I" (ARG2), "r" (__ARG1) ); \
__RES; \
})


/** \brief Count leading zeros

This function counts the number of leading zeros of a data value.

\param [in] value Value to count the leading zeros
\return number of leading zeros in value
*/
__attribute__( ( always_inline ) ) __STATIC_INLINE uint8_t __CLZ(uint32_t value)
{
uint8_t result;

__ASM volatile ("clz %0, %1" : "=r" (result) : "r" (value) );
return(result);
}

#endif /* (__CORTEX_M >= 0x03) */




#elif defined ( __TASKING__ ) /*------------------ TASKING Compiler --------------*/
/* TASKING carm specific functions */

/*
* The CMSIS functions have been implemented as intrinsics in the compiler.
* Please use "carm -?i" to get an up to date list of all intrinsics,
* Including the CMSIS ones.
*/

#endif

/*@}*/ /* end of group CMSIS_Core_InstructionInterface */

#endif /* __CORE_CMINSTR_H */

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