Mercurial > public > ostc4
annotate Common/Drivers/CMSIS/Include/core_cmFunc.h @ 240:625d20070261 div-fixes-5
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> |
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date | Mon, 08 Apr 2019 11:49:13 +0200 |
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1 /**************************************************************************//** |
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2 * @file core_cmFunc.h |
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3 * @brief CMSIS Cortex-M Core Function Access Header File |
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4 * @version V4.30 |
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5 * @date 20. October 2015 |
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6 ******************************************************************************/ |
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7 /* Copyright (c) 2009 - 2015 ARM LIMITED |
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8 |
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9 All rights reserved. |
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10 Redistribution and use in source and binary forms, with or without |
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11 modification, are permitted provided that the following conditions are met: |
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12 - Redistributions of source code must retain the above copyright |
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13 notice, this list of conditions and the following disclaimer. |
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14 - Redistributions in binary form must reproduce the above copyright |
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15 notice, this list of conditions and the following disclaimer in the |
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16 documentation and/or other materials provided with the distribution. |
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17 - Neither the name of ARM nor the names of its contributors may be used |
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18 to endorse or promote products derived from this software without |
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19 specific prior written permission. |
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20 * |
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21 THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" |
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22 AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
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23 IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE |
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24 ARE DISCLAIMED. IN NO EVENT SHALL COPYRIGHT HOLDERS AND CONTRIBUTORS BE |
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25 LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR |
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26 CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF |
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27 SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS |
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28 INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN |
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29 CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) |
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30 ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE |
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31 POSSIBILITY OF SUCH DAMAGE. |
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32 ---------------------------------------------------------------------------*/ |
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33 |
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34 |
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35 #if defined ( __ICCARM__ ) |
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36 #pragma system_include /* treat file as system include file for MISRA check */ |
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37 #elif defined(__ARMCC_VERSION) && (__ARMCC_VERSION >= 6010050) |
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38 #pragma clang system_header /* treat file as system include file */ |
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39 #endif |
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40 |
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41 #ifndef __CORE_CMFUNC_H |
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42 #define __CORE_CMFUNC_H |
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43 |
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44 |
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45 /* ########################### Core Function Access ########################### */ |
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46 /** \ingroup CMSIS_Core_FunctionInterface |
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47 \defgroup CMSIS_Core_RegAccFunctions CMSIS Core Register Access Functions |
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48 @{ |
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49 */ |
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50 |
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51 /*------------------ RealView Compiler -----------------*/ |
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52 #if defined ( __CC_ARM ) |
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53 #include "cmsis_armcc.h" |
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54 |
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55 /*------------------ ARM Compiler V6 -------------------*/ |
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56 #elif defined(__ARMCC_VERSION) && (__ARMCC_VERSION >= 6010050) |
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57 #include "cmsis_armcc_V6.h" |
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58 |
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59 /*------------------ GNU Compiler ----------------------*/ |
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60 #elif defined ( __GNUC__ ) |
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61 #include "cmsis_gcc.h" |
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62 |
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63 /*------------------ ICC Compiler ----------------------*/ |
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64 #elif defined ( __ICCARM__ ) |
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65 #include <cmsis_iar.h> |
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66 |
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67 /*------------------ TI CCS Compiler -------------------*/ |
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68 #elif defined ( __TMS470__ ) |
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69 #include <cmsis_ccs.h> |
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70 |
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71 /*------------------ TASKING Compiler ------------------*/ |
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72 #elif defined ( __TASKING__ ) |
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73 /* |
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74 * The CMSIS functions have been implemented as intrinsics in the compiler. |
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75 * Please use "carm -?i" to get an up to date list of all intrinsics, |
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76 * Including the CMSIS ones. |
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77 */ |
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78 |
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79 /*------------------ COSMIC Compiler -------------------*/ |
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80 #elif defined ( __CSMC__ ) |
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81 #include <cmsis_csm.h> |
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82 |
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83 #endif |
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84 |
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85 /*@} end of CMSIS_Core_RegAccFunctions */ |
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86 |
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87 #endif /* __CORE_CMFUNC_H */ |