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view Common/Drivers/CMSIS/Include/arm_const_structs.h @ 240:625d20070261 div-fixes-5

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Improvement SPI stability/recoverability The core part of this commit comes from careful code reading. The core is the swap of Scheduler_Request_sync_with_SPI(SPI_SYNC_METHOD_SOFT) and SPI_Start_single_TxRx_with_Master(). This code is sitting in an if-clause that is triggered on SPI comms failure. Instead of blindly trying to communicate again (which will very likely fail again), first try to reset the comms link, and then try to communicate again. That simply makes more sense in this case. This is heavily tested, on 2 simple dives, and 5 very long deco schedules from the simulator (10+ hour deco's), and a lot of small simulated dives (upto 2h runtime). Of all these tests, only one long session failed after 9 out of 11h runtime. Analyzing that one failure, suggests that the RTE is looping in some error handler, which (obviously) results in a SPI comms failure as a result. I consider this not part of this change. Additionally, some more cleanup is done in this code. Signed-off-by: Jan Mulder <jlmulder@xs4all.nl>
author Jan Mulder <jlmulder@xs4all.nl>
date Mon, 08 Apr 2019 11:49:13 +0200
parents c78bcbd5deda
children
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/* ----------------------------------------------------------------------
* Copyright (C) 2010-2014 ARM Limited. All rights reserved.
*
* $Date:        19. March 2015
* $Revision: 	V.1.4.5
*
* Project: 	    CMSIS DSP Library
* Title:	    arm_const_structs.h
*
* Description:	This file has constant structs that are initialized for
*              user convenience.  For example, some can be given as
*              arguments to the arm_cfft_f32() function.
*
* Target Processor: Cortex-M4/Cortex-M3
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*   - Redistributions of source code must retain the above copyright
*     notice, this list of conditions and the following disclaimer.
*   - Redistributions in binary form must reproduce the above copyright
*     notice, this list of conditions and the following disclaimer in
*     the documentation and/or other materials provided with the
*     distribution.
*   - Neither the name of ARM LIMITED nor the names of its contributors
*     may be used to endorse or promote products derived from this
*     software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
* FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
* COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
* BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
* CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
* ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGE.
* -------------------------------------------------------------------- */

#ifndef _ARM_CONST_STRUCTS_H
#define _ARM_CONST_STRUCTS_H

#include "arm_math.h"
#include "arm_common_tables.h"

   extern const arm_cfft_instance_f32 arm_cfft_sR_f32_len16;
   extern const arm_cfft_instance_f32 arm_cfft_sR_f32_len32;
   extern const arm_cfft_instance_f32 arm_cfft_sR_f32_len64;
   extern const arm_cfft_instance_f32 arm_cfft_sR_f32_len128;
   extern const arm_cfft_instance_f32 arm_cfft_sR_f32_len256;
   extern const arm_cfft_instance_f32 arm_cfft_sR_f32_len512;
   extern const arm_cfft_instance_f32 arm_cfft_sR_f32_len1024;
   extern const arm_cfft_instance_f32 arm_cfft_sR_f32_len2048;
   extern const arm_cfft_instance_f32 arm_cfft_sR_f32_len4096;

   extern const arm_cfft_instance_q31 arm_cfft_sR_q31_len16;
   extern const arm_cfft_instance_q31 arm_cfft_sR_q31_len32;
   extern const arm_cfft_instance_q31 arm_cfft_sR_q31_len64;
   extern const arm_cfft_instance_q31 arm_cfft_sR_q31_len128;
   extern const arm_cfft_instance_q31 arm_cfft_sR_q31_len256;
   extern const arm_cfft_instance_q31 arm_cfft_sR_q31_len512;
   extern const arm_cfft_instance_q31 arm_cfft_sR_q31_len1024;
   extern const arm_cfft_instance_q31 arm_cfft_sR_q31_len2048;
   extern const arm_cfft_instance_q31 arm_cfft_sR_q31_len4096;

   extern const arm_cfft_instance_q15 arm_cfft_sR_q15_len16;
   extern const arm_cfft_instance_q15 arm_cfft_sR_q15_len32;
   extern const arm_cfft_instance_q15 arm_cfft_sR_q15_len64;
   extern const arm_cfft_instance_q15 arm_cfft_sR_q15_len128;
   extern const arm_cfft_instance_q15 arm_cfft_sR_q15_len256;
   extern const arm_cfft_instance_q15 arm_cfft_sR_q15_len512;
   extern const arm_cfft_instance_q15 arm_cfft_sR_q15_len1024;
   extern const arm_cfft_instance_q15 arm_cfft_sR_q15_len2048;
   extern const arm_cfft_instance_q15 arm_cfft_sR_q15_len4096;

#endif