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1 /* |
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2 This file is part of CanFestival, a library implementing CanOpen Stack. |
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3 |
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4 Copyright (C): Edouard TISSERANT and Francis DUPIN |
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5 |
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6 See COPYING file for copyrights details. |
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7 |
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8 This library is free software; you can redistribute it and/or |
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9 modify it under the terms of the GNU Lesser General Public |
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10 License as published by the Free Software Foundation; either |
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11 version 2.1 of the License, or (at your option) any later version. |
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12 |
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13 This library is distributed in the hope that it will be useful, |
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14 but WITHOUT ANY WARRANTY; without even the implied warranty of |
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15 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
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16 Lesser General Public License for more details. |
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17 |
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18 You should have received a copy of the GNU Lesser General Public |
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19 License along with this library; if not, write to the Free Software |
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20 Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA |
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21 */ |
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22 |
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23 /* |
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24 Functions called by interrupts vectors. |
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25 */ |
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26 /* |
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27 This is a part of the driver, of course ! |
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28 But you have to put your code in this functions, |
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29 if you plan to use interruptions. |
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30 */ |
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31 |
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32 #include "../include/hcs12/applicfg.h" |
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33 #include "../include/hcs12/error.h" |
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34 #include "../include/hcs12/candriver.h" |
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35 #include "../include/hcs12/asm-m68hc12/regs.h" |
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36 #include "../include/hcs12/asm-m68hc12/portsaccess.h" |
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37 #include "../include/hcs12/asm-m68hc12/ports_def.h" |
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38 #include "../include/hcs12/asm-m68hc12/ports.h" |
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39 #include "../include/hcs12/interrupt.h" |
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40 |
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41 extern volatile char msgRecu; |
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42 extern volatile Message canMsgRcv; |
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43 |
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44 |
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45 |
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46 /* Inhibe les interruptions */ |
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47 |
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48 void lock (void) |
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49 { |
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50 unsigned short mask; |
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51 __asm__ __volatile__ ("tpa\n\tsei" : "=d"(mask)); |
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52 |
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53 } |
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54 |
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55 /* Autorise les interruptions */ |
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56 void unlock (void) |
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57 { |
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58 __asm__ __volatile__ ("cli"); |
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59 } |
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60 |
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61 |
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62 |
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63 |