Joep D / CMSIS_DSP_5

The CMSIS DSP 5 library

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functions/ControllerFunctions/arm_pid_reset_q31.c@3:4098b9d3d571, 2018-06-21 (annotated)

Committer:
xorjoep
Date:
Thu Jun 21 11:56:27 2018 +0000
Revision:
3:4098b9d3d571
Parent:
1:24714b45cd1b 
headers is a folder not a library

Who changed what in which revision?

UserRevisionLine numberNew contents of line
xorjoep 1:24714b45cd1b 1 /* ----------------------------------------------------------------------
xorjoep 1:24714b45cd1b 2 * Project: CMSIS DSP Library
xorjoep 1:24714b45cd1b 3 * Title: arm_pid_reset_q31.c
xorjoep 1:24714b45cd1b 4 * Description: Q31 PID Control reset function
xorjoep 1:24714b45cd1b 5 *
xorjoep 1:24714b45cd1b 6 * $Date: 27. January 2017
xorjoep 1:24714b45cd1b 7 * $Revision: V.1.5.1
xorjoep 1:24714b45cd1b 8 *
xorjoep 1:24714b45cd1b 9 * Target Processor: Cortex-M cores
xorjoep 1:24714b45cd1b 10 * -------------------------------------------------------------------- */
xorjoep 1:24714b45cd1b 11 /*
xorjoep 1:24714b45cd1b 12 * Copyright (C) 2010-2017 ARM Limited or its affiliates. All rights reserved.
xorjoep 1:24714b45cd1b 13 *
xorjoep 1:24714b45cd1b 14 * SPDX-License-Identifier: Apache-2.0
xorjoep 1:24714b45cd1b 15 *
xorjoep 1:24714b45cd1b 16 * Licensed under the Apache License, Version 2.0 (the License); you may
xorjoep 1:24714b45cd1b 17 * not use this file except in compliance with the License.
xorjoep 1:24714b45cd1b 18 * You may obtain a copy of the License at
xorjoep 1:24714b45cd1b 19 *
xorjoep 1:24714b45cd1b 20 * www.apache.org/licenses/LICENSE-2.0
xorjoep 1:24714b45cd1b 21 *
xorjoep 1:24714b45cd1b 22 * Unless required by applicable law or agreed to in writing, software
xorjoep 1:24714b45cd1b 23 * distributed under the License is distributed on an AS IS BASIS, WITHOUT
xorjoep 1:24714b45cd1b 24 * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
xorjoep 1:24714b45cd1b 25 * See the License for the specific language governing permissions and
xorjoep 1:24714b45cd1b 26 * limitations under the License.
xorjoep 1:24714b45cd1b 27 */
xorjoep 1:24714b45cd1b 28
xorjoep 1:24714b45cd1b 29 #include "arm_math.h"
xorjoep 1:24714b45cd1b 30
xorjoep 1:24714b45cd1b 31 /**
xorjoep 1:24714b45cd1b 32 * @addtogroup PID
xorjoep 1:24714b45cd1b 33 * @{
xorjoep 1:24714b45cd1b 34 */
xorjoep 1:24714b45cd1b 35
xorjoep 1:24714b45cd1b 36 /**
xorjoep 1:24714b45cd1b 37 * @brief Reset function for the Q31 PID Control.
xorjoep 1:24714b45cd1b 38 * @param[in] *S Instance pointer of PID control data structure.
xorjoep 1:24714b45cd1b 39 * @return none.
xorjoep 1:24714b45cd1b 40 * \par Description:
xorjoep 1:24714b45cd1b 41 * The function resets the state buffer to zeros.
xorjoep 1:24714b45cd1b 42 */
xorjoep 1:24714b45cd1b 43 void arm_pid_reset_q31(
xorjoep 1:24714b45cd1b 44 arm_pid_instance_q31 * S)
xorjoep 1:24714b45cd1b 45 {
xorjoep 1:24714b45cd1b 46
xorjoep 1:24714b45cd1b 47 /* Clear the state buffer. The size will be always 3 samples */
xorjoep 1:24714b45cd1b 48 memset(S->state, 0, 3U * sizeof(q31_t));
xorjoep 1:24714b45cd1b 49 }
xorjoep 1:24714b45cd1b 50
xorjoep 1:24714b45cd1b 51 /**
xorjoep 1:24714b45cd1b 52 * @} end of PID group
xorjoep 1:24714b45cd1b 53 */