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view src/cs/services/lls/lls_api.c @ 51:04aaa5622fa7

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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
line wrap: on
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/**
 * @file   lls_api.c
 *
 * Implementation of Functions.
 *
 * @author   Laurent Sollier (l-sollier@ti.com)
 * @version 0.1
 */

/*
 * History:
 *
 *   Date          Author       Modification
 *  ----------------------------------------
 *  03/12/2002     L Sollier    Create
 *
 *
 * (C) Copyright 2002 by Texas Instruments Incorporated, All Rights Reserved
 */

#ifndef _WINDOWS
   #include "l1sw.cfg"
   #include "chipset.cfg"
#endif

#include "lls/lls_api.h"
#include "lls/lls_env.h"
#include "lls/lls_i.h"


/** External declaration */
extern T_LLS_ENV_CTRL_BLK* lls_env_ctrl_blk;

/* FreeCalypso addition for L1 sleep manager */
unsigned char iota_ledb_status;


/**
 * @name Functions implementation
 *
 */
/*@{*/


/**
 * function: lls_switch_on
 */
T_RV_RET lls_switch_on(T_LLS_EQUIPMENT equipment_sort)
{
#if (ANLG_FAM == 2)
   T_RV_RET ret = RV_OK;
   UINT8 equipment_index;

   /* Check if initialization has been correctly done */
   if ( (lls_env_ctrl_blk == 0) || (lls_env_ctrl_blk->swe_is_initialized == FALSE) )
   {
      LLS_SEND_TRACE("LLS: Initialization is not yet done or failed", RV_TRACE_LEVEL_ERROR);
      return RV_INTERNAL_ERR;
   }

   LLS_SEND_TRACE_PARAM("LLS: Switch ON request for equipment", equipment_sort, RV_TRACE_LEVEL_DEBUG_HIGH);

   /* Retrieve index of the equipment in the table */
   ret = lls_search_index(equipment_sort, &equipment_index);

   if (ret != RV_OK)
   {
      LLS_SEND_TRACE("LLS: Equipment is unknown", RV_TRACE_LEVEL_ERROR);
      return ret;
   }

   /* FreeCalypso addition */
   if (equipment_sort == LLS_BACKLIGHT)
      iota_ledb_status = 1;

   ret = lls_manage_equipment(equipment_index, SWITCH_ON);

   return ret;

#else
   return RV_NOT_SUPPORTED;
#endif
}

/**
 * function: lls_switch_off
 *
 */
T_RV_RET lls_switch_off(T_LLS_EQUIPMENT equipment_sort)
{
#if (ANLG_FAM == 2)
   T_RV_RET ret = RV_OK;
   UINT8 equipment_index;

   /* Check if initialization has been correctly done */
   if ( (lls_env_ctrl_blk == 0) || (lls_env_ctrl_blk->swe_is_initialized == FALSE) )
   {
      LLS_SEND_TRACE("LLS: Initialization is not yet done or failed", RV_TRACE_LEVEL_ERROR);
      return RV_INTERNAL_ERR;
   }

   LLS_SEND_TRACE_PARAM("LLS: Switch OFF request for equipment", equipment_sort, RV_TRACE_LEVEL_DEBUG_HIGH);

   /* Retrieve index of the equipment in the table */
   ret = lls_search_index(equipment_sort, &equipment_index);

   if (ret != RV_OK)
   {
      LLS_SEND_TRACE("LLS: Equipment is unknown", RV_TRACE_LEVEL_ERROR);
      return ret;
   }

   ret = lls_manage_equipment(equipment_index, SWITCH_OFF);

   /* FreeCalypso addition */
   if (equipment_sort == LLS_BACKLIGHT)
      iota_ledb_status = 0;

   return ret;

#else
   return RV_NOT_SUPPORTED;
#endif
}


/*@}*/