From 86608c6770cf08c138a2bdab5855072f64be09ef Mon Sep 17 00:00:00 2001 From: joshua Date: Sat, 30 Dec 2023 23:54:31 -0500 Subject: initial commit --- .../DSP/Source/ControllerFunctions/CMakeLists.txt | 37 ++++++ .../ControllerFunctions/ControllerFunctions.c | 37 ++++++ .../Source/ControllerFunctions/arm_pid_init_f32.c | 75 +++++++++++ .../Source/ControllerFunctions/arm_pid_init_q15.c | 95 ++++++++++++++ .../Source/ControllerFunctions/arm_pid_init_q31.c | 92 +++++++++++++ .../Source/ControllerFunctions/arm_pid_reset_f32.c | 54 ++++++++ .../Source/ControllerFunctions/arm_pid_reset_q15.c | 54 ++++++++ .../Source/ControllerFunctions/arm_pid_reset_q31.c | 54 ++++++++ .../Source/ControllerFunctions/arm_sin_cos_f32.c | 146 +++++++++++++++++++++ .../Source/ControllerFunctions/arm_sin_cos_q31.c | 110 ++++++++++++++++ 10 files changed, 754 insertions(+) create mode 100644 Drivers/CMSIS/DSP/Source/ControllerFunctions/CMakeLists.txt create mode 100644 Drivers/CMSIS/DSP/Source/ControllerFunctions/ControllerFunctions.c create mode 100644 Drivers/CMSIS/DSP/Source/ControllerFunctions/arm_pid_init_f32.c create mode 100644 Drivers/CMSIS/DSP/Source/ControllerFunctions/arm_pid_init_q15.c create mode 100644 Drivers/CMSIS/DSP/Source/ControllerFunctions/arm_pid_init_q31.c create mode 100644 Drivers/CMSIS/DSP/Source/ControllerFunctions/arm_pid_reset_f32.c create mode 100644 Drivers/CMSIS/DSP/Source/ControllerFunctions/arm_pid_reset_q15.c create mode 100644 Drivers/CMSIS/DSP/Source/ControllerFunctions/arm_pid_reset_q31.c create mode 100644 Drivers/CMSIS/DSP/Source/ControllerFunctions/arm_sin_cos_f32.c create mode 100644 Drivers/CMSIS/DSP/Source/ControllerFunctions/arm_sin_cos_q31.c (limited to 'Drivers/CMSIS/DSP/Source/ControllerFunctions') diff --git a/Drivers/CMSIS/DSP/Source/ControllerFunctions/CMakeLists.txt b/Drivers/CMSIS/DSP/Source/ControllerFunctions/CMakeLists.txt new file mode 100644 index 0000000..93014b7 --- /dev/null +++ b/Drivers/CMSIS/DSP/Source/ControllerFunctions/CMakeLists.txt @@ -0,0 +1,37 @@ +cmake_minimum_required (VERSION 3.6) + +project(CMSISDSPController) + +add_library(CMSISDSPController STATIC) + +configdsp(CMSISDSPController ..) + +include(interpol) +interpol(CMSISDSPController) + +if (CONFIGTABLE AND ALLFAST) + target_compile_definitions(CMSISDSPController PUBLIC ARM_ALL_FAST_TABLES) +endif() + +target_sources(CMSISDSPController PRIVATE arm_pid_init_f32.c) +target_sources(CMSISDSPController PRIVATE arm_pid_init_q15.c) +target_sources(CMSISDSPController PRIVATE arm_pid_init_q31.c) +target_sources(CMSISDSPController PRIVATE arm_pid_reset_f32.c) +target_sources(CMSISDSPController PRIVATE arm_pid_reset_q15.c) +target_sources(CMSISDSPController PRIVATE arm_pid_reset_q31.c) + +if (NOT CONFIGTABLE OR ALLFAST OR ARM_SIN_COS_F32) +target_sources(CMSISDSPController PRIVATE arm_sin_cos_f32.c) +endif() + +if (NOT CONFIGTABLE OR ALLFAST OR ARM_SIN_COS_Q31) +target_sources(CMSISDSPController PRIVATE arm_sin_cos_q31.c) +endif() + + + +### Includes +target_include_directories(CMSISDSPController PUBLIC "${DSP}/../../Include") + + + diff --git a/Drivers/CMSIS/DSP/Source/ControllerFunctions/ControllerFunctions.c b/Drivers/CMSIS/DSP/Source/ControllerFunctions/ControllerFunctions.c new file mode 100644 index 0000000..edd3bf2 --- /dev/null +++ b/Drivers/CMSIS/DSP/Source/ControllerFunctions/ControllerFunctions.c @@ -0,0 +1,37 @@ +/* ---------------------------------------------------------------------- + * Project: CMSIS DSP Library + * Title: ControllerFunctions.c + * Description: Combination of all controller function source files. + * + * $Date: 18. March 2019 + * $Revision: V1.0.0 + * + * Target Processor: Cortex-M cores + * -------------------------------------------------------------------- */ +/* + * Copyright (C) 2019 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_pid_init_f32.c" +#include "arm_pid_init_q15.c" +#include "arm_pid_init_q31.c" +#include "arm_pid_reset_f32.c" +#include "arm_pid_reset_q15.c" +#include "arm_pid_reset_q31.c" +#include "arm_sin_cos_f32.c" +#include "arm_sin_cos_q31.c" + diff --git a/Drivers/CMSIS/DSP/Source/ControllerFunctions/arm_pid_init_f32.c b/Drivers/CMSIS/DSP/Source/ControllerFunctions/arm_pid_init_f32.c new file mode 100644 index 0000000..0e4d5d6 --- /dev/null +++ b/Drivers/CMSIS/DSP/Source/ControllerFunctions/arm_pid_init_f32.c @@ -0,0 +1,75 @@ +/* ---------------------------------------------------------------------- + * Project: CMSIS DSP Library + * Title: arm_pid_init_f32.c + * Description: Floating-point PID Control initialization function + * + * $Date: 18. March 2019 + * $Revision: V1.6.0 + * + * Target Processor: Cortex-M cores + * -------------------------------------------------------------------- */ +/* + * Copyright (C) 2010-2019 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" + +/** + @addtogroup PID + @{ + */ + +/** + @brief Initialization function for the floating-point PID Control. + @param[in,out] S points to an instance of the PID structure + @param[in] resetStateFlag + - value = 0: no change in state + - value = 1: reset state + @return none + + @par Details + The resetStateFlag specifies whether to set state to zero or not. \n + The function computes the structure fields: A0, A1 A2 + using the proportional gain( \c Kp), integral gain( \c Ki) and derivative gain( \c Kd) + also sets the state variables to all zeros. + */ + +void arm_pid_init_f32( + arm_pid_instance_f32 * S, + int32_t resetStateFlag) +{ + /* Derived coefficient A0 */ + S->A0 = S->Kp + S->Ki + S->Kd; + + /* Derived coefficient A1 */ + S->A1 = (-S->Kp) - ((float32_t) 2.0 * S->Kd); + + /* Derived coefficient A2 */ + S->A2 = S->Kd; + + /* Check whether state needs reset or not */ + if (resetStateFlag) + { + /* Reset state to zero, The size will be always 3 samples */ + memset(S->state, 0, 3U * sizeof(float32_t)); + } + +} + +/** + @} end of PID group + */ diff --git a/Drivers/CMSIS/DSP/Source/ControllerFunctions/arm_pid_init_q15.c b/Drivers/CMSIS/DSP/Source/ControllerFunctions/arm_pid_init_q15.c new file mode 100644 index 0000000..3f82711 --- /dev/null +++ b/Drivers/CMSIS/DSP/Source/ControllerFunctions/arm_pid_init_q15.c @@ -0,0 +1,95 @@ +/* ---------------------------------------------------------------------- + * Project: CMSIS DSP Library + * Title: arm_pid_init_q15.c + * Description: Q15 PID Control initialization function + * + * $Date: 18. March 2019 + * $Revision: V1.6.0 + * + * Target Processor: Cortex-M cores + * -------------------------------------------------------------------- */ +/* + * Copyright (C) 2010-2019 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" + +/** + @addtogroup PID + @{ + */ + +/** + @brief Initialization function for the Q15 PID Control. + @param[in,out] S points to an instance of the Q15 PID structure + @param[in] resetStateFlag + - value = 0: no change in state + - value = 1: reset state + @return none + + @par Details + The resetStateFlag specifies whether to set state to zero or not. \n + The function computes the structure fields: A0, A1 A2 + using the proportional gain( \c Kp), integral gain( \c Ki) and derivative gain( \c Kd) + also sets the state variables to all zeros. + */ + +void arm_pid_init_q15( + arm_pid_instance_q15 * S, + int32_t resetStateFlag) +{ + +#if defined (ARM_MATH_DSP) + + /* Derived coefficient A0 */ + S->A0 = __QADD16(__QADD16(S->Kp, S->Ki), S->Kd); + + /* Derived coefficients and pack into A1 */ + +#ifndef ARM_MATH_BIG_ENDIAN + S->A1 = __PKHBT(-__QADD16(__QADD16(S->Kd, S->Kd), S->Kp), S->Kd, 16); +#else + S->A1 = __PKHBT(S->Kd, -__QADD16(__QADD16(S->Kd, S->Kd), S->Kp), 16); +#endif + +#else + + q31_t temp; /* to store the sum */ + + /* Derived coefficient A0 */ + temp = S->Kp + S->Ki + S->Kd; + S->A0 = (q15_t) __SSAT(temp, 16); + + /* Derived coefficients and pack into A1 */ + temp = -(S->Kd + S->Kd + S->Kp); + S->A1 = (q15_t) __SSAT(temp, 16); + S->A2 = S->Kd; + +#endif /* #if defined (ARM_MATH_DSP) */ + + /* Check whether state needs reset or not */ + if (resetStateFlag) + { + /* Reset state to zero, The size will be always 3 samples */ + memset(S->state, 0, 3U * sizeof(q15_t)); + } + +} + +/** + @} end of PID group + */ diff --git a/Drivers/CMSIS/DSP/Source/ControllerFunctions/arm_pid_init_q31.c b/Drivers/CMSIS/DSP/Source/ControllerFunctions/arm_pid_init_q31.c new file mode 100644 index 0000000..680d463 --- /dev/null +++ b/Drivers/CMSIS/DSP/Source/ControllerFunctions/arm_pid_init_q31.c @@ -0,0 +1,92 @@ +/* ---------------------------------------------------------------------- + * Project: CMSIS DSP Library + * Title: arm_pid_init_q31.c + * Description: Q31 PID Control initialization function + * + * $Date: 18. March 2019 + * $Revision: V1.6.0 + * + * Target Processor: Cortex-M cores + * -------------------------------------------------------------------- */ +/* + * Copyright (C) 2010-2019 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" + +/** + @addtogroup PID + @{ + */ + +/** + @brief Initialization function for the Q31 PID Control. + @param[in,out] S points to an instance of the Q31 PID structure + @param[in] resetStateFlag + - value = 0: no change in state + - value = 1: reset state + @return none + + @par Details + The resetStateFlag specifies whether to set state to zero or not. \n + The function computes the structure fields: A0, A1 A2 + using the proportional gain( \c Kp), integral gain( \c Ki) and derivative gain( \c Kd) + also sets the state variables to all zeros. + */ + +void arm_pid_init_q31( + arm_pid_instance_q31 * S, + int32_t resetStateFlag) +{ + +#if defined (ARM_MATH_DSP) + + /* Derived coefficient A0 */ + S->A0 = __QADD(__QADD(S->Kp, S->Ki), S->Kd); + + /* Derived coefficient A1 */ + S->A1 = -__QADD(__QADD(S->Kd, S->Kd), S->Kp); + +#else + + q31_t temp; /* to store the sum */ + + /* Derived coefficient A0 */ + temp = clip_q63_to_q31((q63_t) S->Kp + S->Ki); + S->A0 = clip_q63_to_q31((q63_t) temp + S->Kd); + + /* Derived coefficient A1 */ + temp = clip_q63_to_q31((q63_t) S->Kd + S->Kd); + S->A1 = -clip_q63_to_q31((q63_t) temp + S->Kp); + +#endif /* #if defined (ARM_MATH_DSP) */ + + /* Derived coefficient A2 */ + S->A2 = S->Kd; + + /* Check whether state needs reset or not */ + if (resetStateFlag) + { + /* Reset state to zero, The size will be always 3 samples */ + memset(S->state, 0, 3U * sizeof(q31_t)); + } + +} + +/** + @} end of PID group + */ diff --git a/Drivers/CMSIS/DSP/Source/ControllerFunctions/arm_pid_reset_f32.c b/Drivers/CMSIS/DSP/Source/ControllerFunctions/arm_pid_reset_f32.c new file mode 100644 index 0000000..ed1038e --- /dev/null +++ b/Drivers/CMSIS/DSP/Source/ControllerFunctions/arm_pid_reset_f32.c @@ -0,0 +1,54 @@ +/* ---------------------------------------------------------------------- + * Project: CMSIS DSP Library + * Title: arm_pid_reset_f32.c + * Description: Floating-point PID Control reset function + * + * $Date: 18. March 2019 + * $Revision: V1.6.0 + * + * Target Processor: Cortex-M cores + * -------------------------------------------------------------------- */ +/* + * Copyright (C) 2010-2019 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" + +/** + @addtogroup PID + @{ + */ + +/** + @brief Reset function for the floating-point PID Control. + @param[in,out] S points to an instance of the floating-point PID structure + @return none + + @par Details + The function resets the state buffer to zeros. + */ + +void arm_pid_reset_f32( + arm_pid_instance_f32 * S) +{ + /* Reset state to zero, The size will be always 3 samples */ + memset(S->state, 0, 3U * sizeof(float32_t)); +} + +/** + @} end of PID group + */ diff --git a/Drivers/CMSIS/DSP/Source/ControllerFunctions/arm_pid_reset_q15.c b/Drivers/CMSIS/DSP/Source/ControllerFunctions/arm_pid_reset_q15.c new file mode 100644 index 0000000..f61391e --- /dev/null +++ b/Drivers/CMSIS/DSP/Source/ControllerFunctions/arm_pid_reset_q15.c @@ -0,0 +1,54 @@ +/* ---------------------------------------------------------------------- + * Project: CMSIS DSP Library + * Title: arm_pid_reset_q15.c + * Description: Q15 PID Control reset function + * + * $Date: 18. March 2019 + * $Revision: V1.6.0 + * + * Target Processor: Cortex-M cores + * -------------------------------------------------------------------- */ +/* + * Copyright (C) 2010-2019 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" + +/** + @addtogroup PID + @{ + */ + +/** + @brief Reset function for the Q15 PID Control. + @param[in,out] S points to an instance of the Q15 PID structure + @return none + + @par Details + The function resets the state buffer to zeros. + */ + +void arm_pid_reset_q15( + arm_pid_instance_q15 * S) +{ + /* Reset state to zero, The size will be always 3 samples */ + memset(S->state, 0, 3U * sizeof(q15_t)); +} + +/** + @} end of PID group + */ diff --git a/Drivers/CMSIS/DSP/Source/ControllerFunctions/arm_pid_reset_q31.c b/Drivers/CMSIS/DSP/Source/ControllerFunctions/arm_pid_reset_q31.c new file mode 100644 index 0000000..2853ea9 --- /dev/null +++ b/Drivers/CMSIS/DSP/Source/ControllerFunctions/arm_pid_reset_q31.c @@ -0,0 +1,54 @@ +/* ---------------------------------------------------------------------- + * Project: CMSIS DSP Library + * Title: arm_pid_reset_q31.c + * Description: Q31 PID Control reset function + * + * $Date: 18. March 2019 + * $Revision: V1.6.0 + * + * Target Processor: Cortex-M cores + * -------------------------------------------------------------------- */ +/* + * Copyright (C) 2010-2019 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" + +/** + @addtogroup PID + @{ + */ + +/** + @brief Reset function for the Q31 PID Control. + @param[in,out] S points to an instance of the Q31 PID structure + @return none + + @par Details + The function resets the state buffer to zeros. + */ + +void arm_pid_reset_q31( + arm_pid_instance_q31 * S) +{ + /* Reset state to zero, The size will be always 3 samples */ + memset(S->state, 0, 3U * sizeof(q31_t)); +} + +/** + @} end of PID group + */ diff --git a/Drivers/CMSIS/DSP/Source/ControllerFunctions/arm_sin_cos_f32.c b/Drivers/CMSIS/DSP/Source/ControllerFunctions/arm_sin_cos_f32.c new file mode 100644 index 0000000..438e4d4 --- /dev/null +++ b/Drivers/CMSIS/DSP/Source/ControllerFunctions/arm_sin_cos_f32.c @@ -0,0 +1,146 @@ +/* ---------------------------------------------------------------------- + * Project: CMSIS DSP Library + * Title: arm_sin_cos_f32.c + * Description: Sine and Cosine calculation for floating-point values + * + * $Date: 18. March 2019 + * $Revision: V1.6.0 + * + * Target Processor: Cortex-M cores + * -------------------------------------------------------------------- */ +/* + * Copyright (C) 2010-2019 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" +#include "arm_common_tables.h" + +/** + @ingroup groupController + */ + +/** + @defgroup SinCos Sine Cosine + + Computes the trigonometric sine and cosine values using a combination of table lookup + and linear interpolation. + There are separate functions for Q31 and floating-point data types. + The input to the floating-point version is in degrees while the + fixed-point Q31 have a scaled input with the range + [-1 0.9999] mapping to [-180 +180] degrees. + + The floating point function also allows values that are out of the usual range. When this happens, the function will + take extra time to adjust the input value to the range of [-180 180]. + + The result is accurate to 5 digits after the decimal point. + + The implementation is based on table lookup using 360 values together with linear interpolation. + The steps used are: + -# Calculation of the nearest integer table index. + -# Compute the fractional portion (fract) of the input. + -# Fetch the value corresponding to \c index from sine table to \c y0 and also value from \c index+1 to \c y1. + -# Sine value is computed as *psinVal = y0 + (fract * (y1 - y0)). + -# Fetch the value corresponding to \c index from cosine table to \c y0 and also value from \c index+1 to \c y1. + -# Cosine value is computed as *pcosVal = y0 + (fract * (y1 - y0)). + */ + +/** + @addtogroup SinCos + @{ + */ + +/** + @brief Floating-point sin_cos function. + @param[in] theta input value in degrees + @param[out] pSinVal points to processed sine output + @param[out] pCosVal points to processed cosine output + @return none + */ + +void arm_sin_cos_f32( + float32_t theta, + float32_t * pSinVal, + float32_t * pCosVal) +{ + float32_t fract, in; /* Temporary input, output variables */ + uint16_t indexS, indexC; /* Index variable */ + float32_t f1, f2, d1, d2; /* Two nearest output values */ + float32_t Dn, Df; + float32_t temp, findex; + + /* input x is in degrees */ + /* Scale input, divide input by 360, for cosine add 0.25 (pi/2) to read sine table */ + in = theta * 0.00277777777778f; + + if (in < 0.0f) + { + in = -in; + } + + in = in - (int32_t)in; + + /* Calculate the nearest index */ + findex = (float32_t)FAST_MATH_TABLE_SIZE * in; + indexS = ((uint16_t)findex) & 0x1ff; + indexC = (indexS + (FAST_MATH_TABLE_SIZE / 4)) & 0x1ff; + + /* Calculation of fractional value */ + fract = findex - (float32_t) indexS; + + /* Read two nearest values of input value from the cos & sin tables */ + f1 = sinTable_f32[indexC ]; + f2 = sinTable_f32[indexC+1]; + d1 = -sinTable_f32[indexS ]; + d2 = -sinTable_f32[indexS+1]; + + temp = (1.0f - fract) * f1 + fract * f2; + + Dn = 0.0122718463030f; /* delta between the two points (fixed), in this case 2*pi/FAST_MATH_TABLE_SIZE */ + Df = f2 - f1; /* delta between the values of the functions */ + + temp = Dn * (d1 + d2) - 2 * Df; + temp = fract * temp + (3 * Df - (d2 + 2 * d1) * Dn); + temp = fract * temp + d1 * Dn; + + /* Calculation of cosine value */ + *pCosVal = fract * temp + f1; + + /* Read two nearest values of input value from the cos & sin tables */ + f1 = sinTable_f32[indexS ]; + f2 = sinTable_f32[indexS+1]; + d1 = sinTable_f32[indexC ]; + d2 = sinTable_f32[indexC+1]; + + temp = (1.0f - fract) * f1 + fract * f2; + + Df = f2 - f1; // delta between the values of the functions + temp = Dn * (d1 + d2) - 2 * Df; + temp = fract * temp + (3 * Df - (d2 + 2 * d1) * Dn); + temp = fract * temp + d1 * Dn; + + /* Calculation of sine value */ + *pSinVal = fract * temp + f1; + + if (theta < 0.0f) + { + *pSinVal = -*pSinVal; + } +} + +/** + @} end of SinCos group + */ diff --git a/Drivers/CMSIS/DSP/Source/ControllerFunctions/arm_sin_cos_q31.c b/Drivers/CMSIS/DSP/Source/ControllerFunctions/arm_sin_cos_q31.c new file mode 100644 index 0000000..dcc45aa --- /dev/null +++ b/Drivers/CMSIS/DSP/Source/ControllerFunctions/arm_sin_cos_q31.c @@ -0,0 +1,110 @@ +/* ---------------------------------------------------------------------- + * Project: CMSIS DSP Library + * Title: arm_sin_cos_q31.c + * Description: Cosine & Sine calculation for Q31 values + * + * $Date: 18. March 2019 + * $Revision: V1.6.0 + * + * Target Processor: Cortex-M cores + * -------------------------------------------------------------------- */ +/* + * Copyright (C) 2010-2019 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" +#include "arm_common_tables.h" + +/** + @ingroup groupController + */ + +/** + @addtogroup SinCos + @{ + */ + +/** + @brief Q31 sin_cos function. + @param[in] theta scaled input value in degrees + @param[out] pSinVal points to processed sine output + @param[out] pCosVal points to processed cosine output + @return none + + The Q31 input value is in the range [-1 0.999999] and is mapped to a degree value in the range [-180 179]. + */ + +void arm_sin_cos_q31( + q31_t theta, + q31_t * pSinVal, + q31_t * pCosVal) +{ + q31_t fract; /* Temporary input, output variables */ + uint16_t indexS, indexC; /* Index variable */ + q31_t f1, f2, d1, d2; /* Two nearest output values */ + q31_t Dn, Df; + q63_t temp; + + /* Calculate the nearest index */ + indexS = (uint32_t)theta >> CONTROLLER_Q31_SHIFT; + indexC = (indexS + 128) & 0x1ff; + + /* Calculation of fractional value */ + fract = (theta - (indexS << CONTROLLER_Q31_SHIFT)) << 8; + + /* Read two nearest values of input value from the cos & sin tables */ + f1 = sinTable_q31[indexC ]; + f2 = sinTable_q31[indexC+1]; + d1 = -sinTable_q31[indexS ]; + d2 = -sinTable_q31[indexS+1]; + + Dn = 0x1921FB5; /* delta between the two points (fixed), in this case 2*pi/FAST_MATH_TABLE_SIZE */ + Df = f2 - f1; /* delta between the values of the functions */ + + temp = Dn * ((q63_t)d1 + d2); + temp = temp - ((q63_t)Df << 32); + temp = (q63_t)fract * (temp >> 31); + temp = temp + ((3 * (q63_t)Df << 31) - (d2 + ((q63_t)d1 << 1)) * Dn); + temp = (q63_t)fract * (temp >> 31); + temp = temp + (q63_t)d1 * Dn; + temp = (q63_t)fract * (temp >> 31); + + /* Calculation of cosine value */ + *pCosVal = clip_q63_to_q31((temp >> 31) + (q63_t)f1); + + /* Read two nearest values of input value from the cos & sin tables */ + f1 = sinTable_q31[indexS ]; + f2 = sinTable_q31[indexS+1]; + d1 = sinTable_q31[indexC ]; + d2 = sinTable_q31[indexC+1]; + + Df = f2 - f1; // delta between the values of the functions + temp = Dn * ((q63_t)d1 + d2); + temp = temp - ((q63_t)Df << 32); + temp = (q63_t)fract * (temp >> 31); + temp = temp + ((3 * (q63_t)Df << 31) - (d2 + ((q63_t)d1 << 1)) * Dn); + temp = (q63_t)fract * (temp >> 31); + temp = temp + (q63_t)d1 * Dn; + temp = (q63_t)fract * (temp >> 31); + + /* Calculation of sine value */ + *pSinVal = clip_q63_to_q31((temp >> 31) + (q63_t)f1); +} + +/** + @} end of SinCos group + */ -- cgit v1.2.3