FreeCalypso > hg > fc-tourmaline
view src/gpf/osl/os_pro_ir.c @ 214:adfdbcd360fd
backlight evolution: API between Condat driver and MFW
With this change, the API between the Condat backlight driver
and its user in MFW now carries more abstract backlight state codes
(fully off, fully on, in call, charging boot mode) instead of
0-255 levels. This change is needed in order to more properly support
different hardware targets with different capabilities and approaches
in terms of backlight handling.
author | Mychaela Falconia <falcon@freecalypso.org> |
---|---|
date | Fri, 23 Apr 2021 23:52:02 +0000 |
parents | 4e78acac3d88 |
children |
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/* * This C module is a reconstruction based on the disassembly of * os_pro.obj in frame_na7_db_ir.lib from the Leonardo package. */ /* set of included headers from COFF symtab: */ #include <stdio.h> #include <string.h> #include "nucleus.h" #include "typedefs.h" #include "os.h" #include "gdi.h" #include "os_types.h" #include "os_glob.h" extern VOID *TCD_Current_Thread; extern T_OS_TASK_TABLE_ENTRY TaskTable[]; extern unsigned os_time_to_tick_multiplier; #define OS_NU_TASK_MAGIC 0xdeafbeef VOID os_TaskEntry(UNSIGNED TaskHandle, VOID *argv) { TaskTable[TaskHandle].TaskEntry(TaskHandle, 0); } GLOBAL LONG os_SuspendTask(OS_HANDLE Caller, ULONG Time) { UNSIGNED SuspendTicks; SuspendTicks = TIME_TO_SYSTEM_TICKS(Time); if (!SuspendTicks) SuspendTicks = 1; NU_Sleep(SuspendTicks); return (OS_OK); } GLOBAL LONG os_ResumeTask(OS_HANDLE task_handle) { if (NU_Resume_Task(&TaskTable[task_handle].TaskCB.TCB) == NU_SUCCESS) return(OS_OK); else return(OS_ERROR); } GLOBAL LONG os_Relinquish(void) { NU_Relinquish(); return(OS_OK); } GLOBAL OS_HANDLE os_MyHandle(void) { OS_NU_TASK *os_nu_task = (OS_NU_TASK *) TCD_Current_Thread; if (os_nu_task && os_nu_task->magic_nr == OS_NU_TASK_MAGIC) return(os_nu_task->handle); else return(OS_NOTASK); } GLOBAL LONG os_GetTaskName(OS_HANDLE Caller, OS_HANDLE TaskHandle, char *Name) { if (TaskHandle) { if (TaskHandle > MaxTasks || !TaskTable[TaskHandle].Name[0]) return(OS_ERROR); strcpy(Name, TaskTable[TaskHandle].Name); } else if (TCD_Current_Thread) { NU_TASK *curtask = TCD_Current_Thread; strcpy(Name, curtask->tc_name); } else strcpy(Name, "ROOT"); return(OS_OK); } GLOBAL LONG os_DeferTask(OS_HANDLE task_handle, OS_TIME time) { if (NU_Suspend_Task(&TaskTable[task_handle].TaskCB.TCB) == NU_SUCCESS) return(OS_OK); else return(OS_ERROR); } GLOBAL LONG os_CheckTaskStack(OS_HANDLE Handle) { #ifdef __GNUC__ register void *sp asm("sp"); #endif if (*TaskTable[Handle].Stack != GUARD_PATTERN) return(OS_ERROR); #ifdef __GNUC__ if (TCD_Current_Thread) { NU_TASK *curtask = TCD_Current_Thread; if (sp < curtask->tc_stack_start) return(OS_ERROR); } #endif return(OS_OK); }