steering-wheel/Drivers/CMSIS/DSP/Source/ControllerFunctions/arm_pid_reset_q31.c

55 lines
1.5 KiB
C

/* ----------------------------------------------------------------------
* 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
*/