FreeCalypso > hg > fc-tourmaline
view src/nucleus/mbse.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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/*************************************************************************/ /* */ /* Copyright Mentor Graphics Corporation 2002 */ /* All Rights Reserved. */ /* */ /* THIS WORK CONTAINS TRADE SECRET AND PROPRIETARY INFORMATION WHICH IS */ /* THE PROPERTY OF MENTOR GRAPHICS CORPORATION OR ITS LICENSORS AND IS */ /* SUBJECT TO LICENSE TERMS. */ /* */ /*************************************************************************/ /*************************************************************************/ /* */ /* FILE NAME VERSION */ /* */ /* mbse.c Nucleus PLUS 1.14 */ /* */ /* COMPONENT */ /* */ /* MB - Mailbox Management */ /* */ /* DESCRIPTION */ /* */ /* This file contains the error checking routines for the functions */ /* in the Mailbox component. This permits easy removal of error */ /* checking logic when it is not needed. */ /* */ /* DATA STRUCTURES */ /* */ /* None */ /* */ /* FUNCTIONS */ /* */ /* MBSE_Reset_Mailbox Reset a mailbox */ /* MBSE_Receive_From_Mailbox Receive a mailbox message */ /* */ /* DEPENDENCIES */ /* */ /* cs_extr.h Common Service functions */ /* tc_extr.h Thread Control functions */ /* mb_extr.h Mailbox functions */ /* */ /* HISTORY */ /* */ /* DATE REMARKS */ /* */ /* 03-01-1994 Created initial version 1.1 from */ /* routines originally in core */ /* error checking file */ /* */ /* 03-18-1994 Verified version 1.1 */ /* 04-17-1996 updated to version 1.2 */ /* 03-24-1998 Released version 1.3 */ /* 04-17-2002 Released version 1.13m */ /* 11-07-2002 Released version 1.14 */ /*************************************************************************/ #define NU_SOURCE_FILE #include "cs_extr.h" /* Common service functions */ #include "tc_extr.h" /* Thread control functions */ #include "mb_extr.h" /* Mailbox functions */ /*************************************************************************/ /* */ /* FUNCTION */ /* */ /* MBSE_Reset_Mailbox */ /* */ /* DESCRIPTION */ /* */ /* This function performs error checking on the parameters supplied */ /* to the actual reset mailbox function. */ /* */ /* CALLED BY */ /* */ /* Application */ /* */ /* CALLS */ /* */ /* MBS_Reset_Mailbox Actual reset mailbox function*/ /* */ /* INPUTS */ /* */ /* mailbox_ptr Mailbox control block pointer*/ /* */ /* OUTPUTS */ /* */ /* NU_INVALID_MAILBOX Invalid mailbox supplied */ /* */ /* HISTORY */ /* */ /* DATE REMARKS */ /* */ /* 03-01-1993 Created initial version 1.0 */ /* 04-19-1993 Verified version 1.0 */ /* 03-01-1994 Modified interface to exactly */ /* match prototype, resulting in */ /* version 1.1 */ /* */ /* 03-18-1994 Verified version 1.1 */ /* */ /*************************************************************************/ STATUS MBSE_Reset_Mailbox(NU_MAILBOX *mailbox_ptr) { MB_MCB *mailbox; /* Mailbox control block ptr */ STATUS status; /* Completion status */ /* Move input mailbox pointer into internal pointer. */ mailbox = (MB_MCB *) mailbox_ptr; /* Determine if the mailbox pointer is valid. */ if ((mailbox) && (mailbox -> mb_id == MB_MAILBOX_ID)) /* Mailbox pointer is valid, call function to reset it. */ status = MBS_Reset_Mailbox(mailbox_ptr); else /* Mailbox pointer is invalid, indicate in completion status. */ status = NU_INVALID_MAILBOX; /* Return completion status. */ return(status); } /*************************************************************************/ /* */ /* FUNCTION */ /* */ /* MBSE_Broadcast_To_Mailbox */ /* */ /* DESCRIPTION */ /* */ /* This function performs error checking on the parameters supplied */ /* to the mailbox broadcast function. */ /* */ /* CALLED BY */ /* */ /* Application */ /* */ /* CALLS */ /* */ /* MBS_Broadcast_To_Mailbox Actual broadcast mailbox func*/ /* TCCE_Suspend_Error Check suspend validity */ /* */ /* INPUTS */ /* */ /* mailbox_ptr Mailbox control block pointer*/ /* message Pointer to message to send */ /* suspend Suspension option if full */ /* */ /* OUTPUTS */ /* */ /* NU_INVALID_MAILBOX Mailbox pointer is invalid */ /* NU_INVALID_POINTER Message pointer is invalid */ /* NU_INVALID_SUSPEND Invalid suspend request */ /* */ /* HISTORY */ /* */ /* DATE REMARKS */ /* */ /* 03-01-1993 Created initial version 1.0 */ /* 04-19-1993 Verified version 1.0 */ /* 03-01-1994 Modified interface to exactly */ /* match prototype, resulting in */ /* version 1.1 */ /* */ /* 03-18-1994 Verified version 1.1 */ /* */ /*************************************************************************/ STATUS MBSE_Broadcast_To_Mailbox(NU_MAILBOX *mailbox_ptr, VOID *message, UNSIGNED suspend) { MB_MCB *mailbox; /* Mailbox control block ptr */ STATUS status; /* Completion status */ /* Move input mailbox pointer into internal pointer. */ mailbox = (MB_MCB *) mailbox_ptr; /* Determine if mailbox pointer is invalid. */ if (mailbox == NU_NULL) /* Mailbox pointer is invalid, indicate in completion status. */ status = NU_INVALID_MAILBOX; else if (mailbox -> mb_id != MB_MAILBOX_ID) /* Mailbox pointer is invalid, indicate in completion status. */ status = NU_INVALID_MAILBOX; else if (message == NU_NULL) /* Message pointer is invalid, indicate in completion status. */ status = NU_INVALID_POINTER; else if ((suspend) && (TCCE_Suspend_Error())) /* Indicate that suspension is only valid from a task thread. */ status = NU_INVALID_SUSPEND; else /* Parameters are valid, call actual function. */ status = MBS_Broadcast_To_Mailbox(mailbox_ptr, message, suspend); /* Return the completion status. */ return(status); }