FreeCalypso > hg > fc-tourmaline

annotate src/gpf/osl/os_drv.c @ 291:a72feaed133a

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PWT buzzer driver: conditionalize on TARGET_HAS_BUZZER Here we add a new target config preprocessor symbol TARGET_HAS_BUZZER, currently defined for c11x and c139; later we also expect to have it on for FC Venus, and in FC Magnetite we are going to turn it on for target dsample, just for the sake of completeness and philosophical correctness.
author Mychaela Falconia <falcon@freecalypso.org>
date Sat, 26 Mar 2022 19:31:18 +0000
parents 4e78acac3d88
children
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4e78acac3d88 src/{condat,cs,gpf,nucleus}: import from Selenite
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1 /*
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2 * This C module is a reconstruction based on the disassembly of
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3 * os_drv.obj in frame_na7_db_fl.lib from the Leonardo package.
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4 */
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5
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6 /* set of included headers from COFF symtab: */
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7 #include "nucleus.h"
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8 #include "typedefs.h"
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9 #include "gdi.h"
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10 #include "os.h"
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11
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12 typedef unsigned char u_char;
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13
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14 extern OS_HANDLE os_ext_pool_handle;
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15
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16 static u_char *HISR_Stack;
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17 static T_DRV_SIGNAL *SignalID;
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18 static void (*DrvCallback)(T_DRV_SIGNAL *);
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19 static NU_HISR CallBack_HISR;
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20
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21 #define CB_HISR_STACK_SIZE 1024
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22
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23 GLOBAL LONG
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24 os_ExecuteCallback(OS_HANDLE Caller, void (*Callback)(T_DRV_SIGNAL *),
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25 T_DRV_SIGNAL *Signal)
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26 {
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27 DrvCallback = Callback;
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28 SignalID = Signal;
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29 NU_Activate_HISR(&CallBack_HISR);
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30 return(OS_OK);
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31 }
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32
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33 static void
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34 CallbackFunc(void)
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35 {
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36 DrvCallback(SignalID);
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37 }
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38
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39 GLOBAL LONG
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40 os_CreateCallback(void)
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41 {
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42 if (os_AllocateMemory(OS_NOTASK, (T_VOID_STRUCT **) &HISR_Stack,
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43 CB_HISR_STACK_SIZE, 0xFFFFFFFF,
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44 os_ext_pool_handle) == OS_ERROR)
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45 return(OS_ERROR);
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46 if (NU_Create_HISR(&CallBack_HISR, "CB_HISR", CallbackFunc, 2,
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47 HISR_Stack, CB_HISR_STACK_SIZE) == NU_SUCCESS)
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48 return(OS_OK);
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49 else
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50 return(OS_ERROR);
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51 }