FreeCalypso > hg > fc-tourmaline
view src/gpf/osl/os_evt.c @ 51:04aaa5622fa7
disable deep sleep when Iota LEDB is on
TI's Iota chip docs say that CLK13M must be running in order for
LEDB to work, and practical experience on Mot C139 which uses
Iota LEDB for its keypad backlight concurs: if Calypso enters
deep sleep while the keypad backlight is turned on, the light
flickers visibly as the chipset goes into and out of deep sleep.
TI's original L1 sleep manager code had logic to disable deep sleep
when LT_Status() returns nonzero, but that function only works
for B-Sample and C-Sample LT, always returns 0 on BOARD 41 - no
check of Iota LEDB status anywhere. Change this code for our
current hardware: disable deep sleep when Iota LEDB has been
turned on through LLS.
author | Mychaela Falconia <falcon@freecalypso.org> |
---|---|
date | Mon, 19 Oct 2020 05:11:29 +0000 |
parents | 4e78acac3d88 |
children |
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line source
/* * This C module is a reconstruction based on the disassembly of * os_evt.obj in frame_na7_db_fl.lib from the Leonardo package. */ /* set of included headers from COFF symtab: */ #include <stdio.h> #include <string.h> #include "gpfconf.h" /* FreeCalypso addition */ #include "../../nucleus/nucleus.h" #include "typedefs.h" #include "os.h" #include "gdi.h" #include "os_types.h" #include "os_glob.h" extern T_OS_EVTGRP_TABLE_ENTRY EvtGrpTable[]; GLOBAL LONG os_SetEvents(OS_HANDLE evt_grp_handle, unsigned event_flags) { if (!EvtGrpTable[evt_grp_handle].Name[0]) return(OS_ERROR); if (NU_Set_Events(&EvtGrpTable[evt_grp_handle].EvtGrp, event_flags, NU_OR) == NU_SUCCESS) return(OS_OK); else return(OS_ERROR); } GLOBAL LONG os_RetrieveEvents(OS_HANDLE evt_grp_handle, unsigned event_flags, char option, unsigned *retrieved_events, unsigned suspend) { if (!EvtGrpTable[evt_grp_handle].Name[0]) return(OS_ERROR); if (NU_Retrieve_Events(&EvtGrpTable[evt_grp_handle].EvtGrp, event_flags, option, retrieved_events, suspend) == NU_SUCCESS) return(OS_OK); else return(OS_ERROR); } GLOBAL LONG os_GetEventGroupHandle(char *evt_grp_name, OS_HANDLE *evt_grp_handle) { int idx; for (idx = 0; idx <= MaxEventGroups; idx++) { if (!EvtGrpTable[idx].Name[0]) break; if (!strncmp(EvtGrpTable[idx].Name, evt_grp_name, RESOURCE_NAMELEN)) break; } if (idx > MaxEventGroups || !EvtGrpTable[idx].Name[0]) { *evt_grp_handle = -1; return(OS_ERROR); } *evt_grp_handle = idx; return(OS_OK); } GLOBAL LONG os_EventGroupInformation(OS_HANDLE evt_grp_handle, char *Name, unsigned *mask_evt, unsigned *tasks_waiting, OS_HANDLE *first_task) { if (!EvtGrpTable[evt_grp_handle].Name[0]) return(OS_ERROR); if (NU_Event_Group_Information(&EvtGrpTable[evt_grp_handle].EvtGrp, Name, mask_evt, tasks_waiting, first_task) == NU_SUCCESS) return(OS_OK); else return(OS_ERROR); }