annotate src/gpf/osl/os_pro_ir.c @ 72:7bf39f5e834d

backlight control on Luna: switch PWL instead of LEDB This change is preliminary toward upcoming rework of backlight control logic in our UI firmware. LEDB does not exist on Tango-based platforms (it is not brought out on Tango modules), thus turning it on and off produces absolutely no effect beyond making L1 disable deep sleep when LEDB is turned on. However, both iWOW DSK and our upcoming FC Caramel2 boards have a PWL LED, so let's switch that LED on and off to indicate the state of the UI firmware's backlight control. Note that we are NOT switching the actual Luna LCD backlight here, even though it is trivially controlled with a GPIO. The reason for this seemingly strange choice is that we don't want to turn this development board LCD backlight off until we bring the higher-level backlight control logic up to par, including new logic to "swallow" the first keypress that turns on the darkened LCD.
author Mychaela Falconia <falcon@freecalypso.org>
date Sat, 24 Oct 2020 07:39:54 +0000 (2020-10-24)
parents 4e78acac3d88
children
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0
4e78acac3d88 src/{condat,cs,gpf,nucleus}: import from Selenite
Mychaela Falconia <falcon@freecalypso.org>
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1 /*
4e78acac3d88 src/{condat,cs,gpf,nucleus}: import from Selenite
Mychaela Falconia <falcon@freecalypso.org>
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2 * This C module is a reconstruction based on the disassembly of
4e78acac3d88 src/{condat,cs,gpf,nucleus}: import from Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
3 * os_pro.obj in frame_na7_db_ir.lib from the Leonardo package.
4e78acac3d88 src/{condat,cs,gpf,nucleus}: import from Selenite
Mychaela Falconia <falcon@freecalypso.org>
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4 */
4e78acac3d88 src/{condat,cs,gpf,nucleus}: import from Selenite
Mychaela Falconia <falcon@freecalypso.org>
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5
4e78acac3d88 src/{condat,cs,gpf,nucleus}: import from Selenite
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6 /* set of included headers from COFF symtab: */
4e78acac3d88 src/{condat,cs,gpf,nucleus}: import from Selenite
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7 #include <stdio.h>
4e78acac3d88 src/{condat,cs,gpf,nucleus}: import from Selenite
Mychaela Falconia <falcon@freecalypso.org>
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8 #include <string.h>
4e78acac3d88 src/{condat,cs,gpf,nucleus}: import from Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
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9 #include "nucleus.h"
4e78acac3d88 src/{condat,cs,gpf,nucleus}: import from Selenite
Mychaela Falconia <falcon@freecalypso.org>
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10 #include "typedefs.h"
4e78acac3d88 src/{condat,cs,gpf,nucleus}: import from Selenite
Mychaela Falconia <falcon@freecalypso.org>
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11 #include "os.h"
4e78acac3d88 src/{condat,cs,gpf,nucleus}: import from Selenite
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12 #include "gdi.h"
4e78acac3d88 src/{condat,cs,gpf,nucleus}: import from Selenite
Mychaela Falconia <falcon@freecalypso.org>
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13 #include "os_types.h"
4e78acac3d88 src/{condat,cs,gpf,nucleus}: import from Selenite
Mychaela Falconia <falcon@freecalypso.org>
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14 #include "os_glob.h"
4e78acac3d88 src/{condat,cs,gpf,nucleus}: import from Selenite
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15
4e78acac3d88 src/{condat,cs,gpf,nucleus}: import from Selenite
Mychaela Falconia <falcon@freecalypso.org>
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16 extern VOID *TCD_Current_Thread;
4e78acac3d88 src/{condat,cs,gpf,nucleus}: import from Selenite
Mychaela Falconia <falcon@freecalypso.org>
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17 extern T_OS_TASK_TABLE_ENTRY TaskTable[];
4e78acac3d88 src/{condat,cs,gpf,nucleus}: import from Selenite
Mychaela Falconia <falcon@freecalypso.org>
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18 extern unsigned os_time_to_tick_multiplier;
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19
4e78acac3d88 src/{condat,cs,gpf,nucleus}: import from Selenite
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20 #define OS_NU_TASK_MAGIC 0xdeafbeef
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21
4e78acac3d88 src/{condat,cs,gpf,nucleus}: import from Selenite
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22 VOID
4e78acac3d88 src/{condat,cs,gpf,nucleus}: import from Selenite
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23 os_TaskEntry(UNSIGNED TaskHandle, VOID *argv)
4e78acac3d88 src/{condat,cs,gpf,nucleus}: import from Selenite
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24 {
4e78acac3d88 src/{condat,cs,gpf,nucleus}: import from Selenite
Mychaela Falconia <falcon@freecalypso.org>
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25 TaskTable[TaskHandle].TaskEntry(TaskHandle, 0);
4e78acac3d88 src/{condat,cs,gpf,nucleus}: import from Selenite
Mychaela Falconia <falcon@freecalypso.org>
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26 }
4e78acac3d88 src/{condat,cs,gpf,nucleus}: import from Selenite
Mychaela Falconia <falcon@freecalypso.org>
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27
4e78acac3d88 src/{condat,cs,gpf,nucleus}: import from Selenite
Mychaela Falconia <falcon@freecalypso.org>
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28 GLOBAL LONG
4e78acac3d88 src/{condat,cs,gpf,nucleus}: import from Selenite
Mychaela Falconia <falcon@freecalypso.org>
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29 os_SuspendTask(OS_HANDLE Caller, ULONG Time)
4e78acac3d88 src/{condat,cs,gpf,nucleus}: import from Selenite
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30 {
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31 UNSIGNED SuspendTicks;
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32
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33 SuspendTicks = TIME_TO_SYSTEM_TICKS(Time);
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34 if (!SuspendTicks)
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35 SuspendTicks = 1;
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Mychaela Falconia <falcon@freecalypso.org>
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36 NU_Sleep(SuspendTicks);
4e78acac3d88 src/{condat,cs,gpf,nucleus}: import from Selenite
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37 return (OS_OK);
4e78acac3d88 src/{condat,cs,gpf,nucleus}: import from Selenite
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38 }
4e78acac3d88 src/{condat,cs,gpf,nucleus}: import from Selenite
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39
4e78acac3d88 src/{condat,cs,gpf,nucleus}: import from Selenite
Mychaela Falconia <falcon@freecalypso.org>
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40 GLOBAL LONG
4e78acac3d88 src/{condat,cs,gpf,nucleus}: import from Selenite
Mychaela Falconia <falcon@freecalypso.org>
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41 os_ResumeTask(OS_HANDLE task_handle)
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42 {
4e78acac3d88 src/{condat,cs,gpf,nucleus}: import from Selenite
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43 if (NU_Resume_Task(&TaskTable[task_handle].TaskCB.TCB) == NU_SUCCESS)
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Mychaela Falconia <falcon@freecalypso.org>
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44 return(OS_OK);
4e78acac3d88 src/{condat,cs,gpf,nucleus}: import from Selenite
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45 else
4e78acac3d88 src/{condat,cs,gpf,nucleus}: import from Selenite
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46 return(OS_ERROR);
4e78acac3d88 src/{condat,cs,gpf,nucleus}: import from Selenite
Mychaela Falconia <falcon@freecalypso.org>
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47 }
4e78acac3d88 src/{condat,cs,gpf,nucleus}: import from Selenite
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48
4e78acac3d88 src/{condat,cs,gpf,nucleus}: import from Selenite
Mychaela Falconia <falcon@freecalypso.org>
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49 GLOBAL LONG
4e78acac3d88 src/{condat,cs,gpf,nucleus}: import from Selenite
Mychaela Falconia <falcon@freecalypso.org>
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50 os_Relinquish(void)
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51 {
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52 NU_Relinquish();
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53 return(OS_OK);
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54 }
4e78acac3d88 src/{condat,cs,gpf,nucleus}: import from Selenite
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55
4e78acac3d88 src/{condat,cs,gpf,nucleus}: import from Selenite
Mychaela Falconia <falcon@freecalypso.org>
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56 GLOBAL OS_HANDLE
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57 os_MyHandle(void)
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58 {
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59 OS_NU_TASK *os_nu_task = (OS_NU_TASK *) TCD_Current_Thread;
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60
4e78acac3d88 src/{condat,cs,gpf,nucleus}: import from Selenite
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61 if (os_nu_task && os_nu_task->magic_nr == OS_NU_TASK_MAGIC)
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62 return(os_nu_task->handle);
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63 else
4e78acac3d88 src/{condat,cs,gpf,nucleus}: import from Selenite
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64 return(OS_NOTASK);
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65 }
4e78acac3d88 src/{condat,cs,gpf,nucleus}: import from Selenite
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66
4e78acac3d88 src/{condat,cs,gpf,nucleus}: import from Selenite
Mychaela Falconia <falcon@freecalypso.org>
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67 GLOBAL LONG
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Mychaela Falconia <falcon@freecalypso.org>
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68 os_GetTaskName(OS_HANDLE Caller, OS_HANDLE TaskHandle, char *Name)
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69 {
4e78acac3d88 src/{condat,cs,gpf,nucleus}: import from Selenite
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70 if (TaskHandle) {
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71 if (TaskHandle > MaxTasks || !TaskTable[TaskHandle].Name[0])
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72 return(OS_ERROR);
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73 strcpy(Name, TaskTable[TaskHandle].Name);
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74 } else if (TCD_Current_Thread) {
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75 NU_TASK *curtask = TCD_Current_Thread;
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76 strcpy(Name, curtask->tc_name);
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77 } else
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78 strcpy(Name, "ROOT");
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79 return(OS_OK);
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80 }
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81
4e78acac3d88 src/{condat,cs,gpf,nucleus}: import from Selenite
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82 GLOBAL LONG
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83 os_DeferTask(OS_HANDLE task_handle, OS_TIME time)
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84 {
4e78acac3d88 src/{condat,cs,gpf,nucleus}: import from Selenite
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85 if (NU_Suspend_Task(&TaskTable[task_handle].TaskCB.TCB) == NU_SUCCESS)
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86 return(OS_OK);
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87 else
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88 return(OS_ERROR);
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89 }
4e78acac3d88 src/{condat,cs,gpf,nucleus}: import from Selenite
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90
4e78acac3d88 src/{condat,cs,gpf,nucleus}: import from Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
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91 GLOBAL LONG
4e78acac3d88 src/{condat,cs,gpf,nucleus}: import from Selenite
Mychaela Falconia <falcon@freecalypso.org>
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92 os_CheckTaskStack(OS_HANDLE Handle)
4e78acac3d88 src/{condat,cs,gpf,nucleus}: import from Selenite
Mychaela Falconia <falcon@freecalypso.org>
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93 {
4e78acac3d88 src/{condat,cs,gpf,nucleus}: import from Selenite
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94 #ifdef __GNUC__
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95 register void *sp asm("sp");
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96 #endif
4e78acac3d88 src/{condat,cs,gpf,nucleus}: import from Selenite
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97
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98 if (*TaskTable[Handle].Stack != GUARD_PATTERN)
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99 return(OS_ERROR);
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100 #ifdef __GNUC__
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101 if (TCD_Current_Thread) {
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Mychaela Falconia <falcon@freecalypso.org>
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102 NU_TASK *curtask = TCD_Current_Thread;
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Mychaela Falconia <falcon@freecalypso.org>
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103 if (sp < curtask->tc_stack_start)
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Mychaela Falconia <falcon@freecalypso.org>
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104 return(OS_ERROR);
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Mychaela Falconia <falcon@freecalypso.org>
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105 }
4e78acac3d88 src/{condat,cs,gpf,nucleus}: import from Selenite
Mychaela Falconia <falcon@freecalypso.org>
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106 #endif
4e78acac3d88 src/{condat,cs,gpf,nucleus}: import from Selenite
Mychaela Falconia <falcon@freecalypso.org>
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107 return(OS_OK);
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Mychaela Falconia <falcon@freecalypso.org>
parents:
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108 }