| /* ---------------------------------------------------------------------- |
| * Project: CMSIS DSP Library |
| * Title: arm_pid_reset_q31.c |
| * Description: Q31 PID Control reset 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. |
| */ |
| |
| #include "arm_math.h" |
| |
| /** |
| * @addtogroup PID |
| * @{ |
| */ |
| |
| /** |
| * @brief Reset function for the Q31 PID Control. |
| * @param[in] *S Instance pointer of PID control data structure. |
| * @return none. |
| * \par Description: |
| * The function resets the state buffer to zeros. |
| */ |
| void arm_pid_reset_q31( |
| arm_pid_instance_q31 * S) |
| { |
| |
| /* Clear the state buffer. The size will be always 3 samples */ |
| memset(S->state, 0, 3U * sizeof(q31_t)); |
| } |
| |
| /** |
| * @} end of PID group |
| */ |
