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CMSIS DSP library
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cmsis_dsp/ControllerFunctions/arm_pid_reset_q31.c@1:fdd22bb7aa52, 2012-11-28 (annotated)
- Committer:
- emilmont
- Date:
- Wed Nov 28 12:30:09 2012 +0000
- Revision:
- 1:fdd22bb7aa52
- Child:
- 2:da51fb522205
DSP library code
Who changed what in which revision?
| User | Revision | Line number | New contents of line |
|---|---|---|---|
| emilmont | 1:fdd22bb7aa52 | 1 | /* ---------------------------------------------------------------------- |
| emilmont | 1:fdd22bb7aa52 | 2 | * Copyright (C) 2010 ARM Limited. All rights reserved. |
| emilmont | 1:fdd22bb7aa52 | 3 | * |
| emilmont | 1:fdd22bb7aa52 | 4 | * $Date: 15. February 2012 |
| emilmont | 1:fdd22bb7aa52 | 5 | * $Revision: V1.1.0 |
| emilmont | 1:fdd22bb7aa52 | 6 | * |
| emilmont | 1:fdd22bb7aa52 | 7 | * Project: CMSIS DSP Library |
| emilmont | 1:fdd22bb7aa52 | 8 | * Title: arm_pid_reset_q31.c |
| emilmont | 1:fdd22bb7aa52 | 9 | * |
| emilmont | 1:fdd22bb7aa52 | 10 | * Description: Q31 PID Control reset function |
| emilmont | 1:fdd22bb7aa52 | 11 | * |
| emilmont | 1:fdd22bb7aa52 | 12 | * Target Processor: Cortex-M4/Cortex-M3/Cortex-M0 |
| emilmont | 1:fdd22bb7aa52 | 13 | * |
| emilmont | 1:fdd22bb7aa52 | 14 | * Version 1.1.0 2012/02/15 |
| emilmont | 1:fdd22bb7aa52 | 15 | * Updated with more optimizations, bug fixes and minor API changes. |
| emilmont | 1:fdd22bb7aa52 | 16 | * |
| emilmont | 1:fdd22bb7aa52 | 17 | * Version 1.0.10 2011/7/15 |
| emilmont | 1:fdd22bb7aa52 | 18 | * Big Endian support added and Merged M0 and M3/M4 Source code. |
| emilmont | 1:fdd22bb7aa52 | 19 | * |
| emilmont | 1:fdd22bb7aa52 | 20 | * Version 1.0.3 2010/11/29 |
| emilmont | 1:fdd22bb7aa52 | 21 | * Re-organized the CMSIS folders and updated documentation. |
| emilmont | 1:fdd22bb7aa52 | 22 | * |
| emilmont | 1:fdd22bb7aa52 | 23 | * Version 1.0.2 2010/11/11 |
| emilmont | 1:fdd22bb7aa52 | 24 | * Documentation updated. |
| emilmont | 1:fdd22bb7aa52 | 25 | * |
| emilmont | 1:fdd22bb7aa52 | 26 | * Version 1.0.1 2010/10/05 |
| emilmont | 1:fdd22bb7aa52 | 27 | * Production release and review comments incorporated. |
| emilmont | 1:fdd22bb7aa52 | 28 | * |
| emilmont | 1:fdd22bb7aa52 | 29 | * Version 1.0.0 2010/09/20 |
| emilmont | 1:fdd22bb7aa52 | 30 | * Production release and review comments incorporated. |
| emilmont | 1:fdd22bb7aa52 | 31 | * ------------------------------------------------------------------- */ |
| emilmont | 1:fdd22bb7aa52 | 32 | |
| emilmont | 1:fdd22bb7aa52 | 33 | #include "arm_math.h" |
| emilmont | 1:fdd22bb7aa52 | 34 | |
| emilmont | 1:fdd22bb7aa52 | 35 | /** |
| emilmont | 1:fdd22bb7aa52 | 36 | * @addtogroup PID |
| emilmont | 1:fdd22bb7aa52 | 37 | * @{ |
| emilmont | 1:fdd22bb7aa52 | 38 | */ |
| emilmont | 1:fdd22bb7aa52 | 39 | |
| emilmont | 1:fdd22bb7aa52 | 40 | /** |
| emilmont | 1:fdd22bb7aa52 | 41 | * @brief Reset function for the Q31 PID Control. |
| emilmont | 1:fdd22bb7aa52 | 42 | * @param[in] *S Instance pointer of PID control data structure. |
| emilmont | 1:fdd22bb7aa52 | 43 | * @return none. |
| emilmont | 1:fdd22bb7aa52 | 44 | * \par Description: |
| emilmont | 1:fdd22bb7aa52 | 45 | * The function resets the state buffer to zeros. |
| emilmont | 1:fdd22bb7aa52 | 46 | */ |
| emilmont | 1:fdd22bb7aa52 | 47 | void arm_pid_reset_q31( |
| emilmont | 1:fdd22bb7aa52 | 48 | arm_pid_instance_q31 * S) |
| emilmont | 1:fdd22bb7aa52 | 49 | { |
| emilmont | 1:fdd22bb7aa52 | 50 | |
| emilmont | 1:fdd22bb7aa52 | 51 | /* Clear the state buffer. The size will be always 3 samples */ |
| emilmont | 1:fdd22bb7aa52 | 52 | memset(S->state, 0, 3u * sizeof(q31_t)); |
| emilmont | 1:fdd22bb7aa52 | 53 | } |
| emilmont | 1:fdd22bb7aa52 | 54 | |
| emilmont | 1:fdd22bb7aa52 | 55 | /** |
| emilmont | 1:fdd22bb7aa52 | 56 | * @} end of PID group |
| emilmont | 1:fdd22bb7aa52 | 57 | */ |