From 4447282260be0780eb6e36f5e953bf56888a5688 Mon Sep 17 00:00:00 2001 From: px4dev Date: Sun, 6 Jan 2013 12:52:05 -0800 Subject: Integrate the interesting parts of the CMSIS 3.01 (r3p1) DSP library --- .../Source/ControllerFunctions/arm_pid_reset_q15.c | 56 ++++++++++++++++++++++ 1 file changed, 56 insertions(+) create mode 100644 apps/mathlib/CMSIS/DSP_Lib/Source/ControllerFunctions/arm_pid_reset_q15.c (limited to 'apps/mathlib/CMSIS/DSP_Lib/Source/ControllerFunctions/arm_pid_reset_q15.c') diff --git a/apps/mathlib/CMSIS/DSP_Lib/Source/ControllerFunctions/arm_pid_reset_q15.c b/apps/mathlib/CMSIS/DSP_Lib/Source/ControllerFunctions/arm_pid_reset_q15.c new file mode 100644 index 000000000..dc0078746 --- /dev/null +++ b/apps/mathlib/CMSIS/DSP_Lib/Source/ControllerFunctions/arm_pid_reset_q15.c @@ -0,0 +1,56 @@ +/* ---------------------------------------------------------------------- +* Copyright (C) 2010 ARM Limited. All rights reserved. +* +* $Date: 15. February 2012 +* $Revision: V1.1.0 +* +* Project: CMSIS DSP Library +* Title: arm_pid_reset_q15.c +* +* Description: Q15 PID Control reset function +* +* Target Processor: Cortex-M4/Cortex-M3/Cortex-M0 +* +* Version 1.1.0 2012/02/15 +* Updated with more optimizations, bug fixes and minor API changes. +* +* Version 1.0.10 2011/7/15 +* Big Endian support added and Merged M0 and M3/M4 Source code. +* +* Version 1.0.3 2010/11/29 +* Re-organized the CMSIS folders and updated documentation. +* +* Version 1.0.2 2010/11/11 +* Documentation updated. +* +* Version 1.0.1 2010/10/05 +* Production release and review comments incorporated. +* +* Version 1.0.0 2010/09/20 +* Production release and review comments incorporated. +* -------------------------------------------------------------------- */ + +#include "arm_math.h" + + /** + * @addtogroup PID + * @{ + */ + +/** +* @brief Reset function for the Q15 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_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 + */ -- cgit v1.2.3