view src/cs/drivers/drv_app/kpd/kpd_power_api.h @ 75:8697f358f505

backlight rework: Condat light driver accepts levels The present change is another intermediate step on the path toward new FreeCalypso backlight handling. At this intermediate step the Condat light driver accepts 0-255 backlight levels driven by MFW, and puts them out on PWL on Luna development boards. At the same time on C139 it is now possible to turn on the display backlight with or without the keypad bl - the lsb of the 0-255 backlight level controls the keypad bl. MFW presently drives only 0 and 255 backlight levels, thus there is no visible behavioral change yet - but the plan for subsequent stages of this backlight rework is to add a dimmed backlight state (no keypad bl on C139) during active calls.
author Mychaela Falconia <falcon@freecalypso.org>
date Sat, 24 Oct 2020 20:44:04 +0000
parents 4e78acac3d88
children
line wrap: on
line source

/**
 * @file   kpd_power_api.h
 *
 * API Definition for keypad driver, used bi PWR SWE.
 *
 *
 * @author   Laurent Sollier (l-sollier@ti.com)
 * @version 0.1
 */

/*
 * History:
 *
 *   Date          Author       Modification
 *  ----------------------------------------
 *  11/02/2001     L Sollier    Create
 *
 *
 * (C) Copyright 2001 by Texas Instruments Incorporated, All Rights Reserved
 */

#ifndef _KPD_POWER_API_H_
#define _KPD_POWER_API_H_

#include "kpd/kpd_cfg.h"
#include "kpd/kpd_api.h"

#include "rv/rv_general.h"
#include "rvf/rvf_api.h"


/* This structure defines the two functions to call when PWR key is pressed */
typedef struct {  void (*pressed)(T_KPD_VIRTUAL_KEY_ID);
                  void (*released)(void);
               } T_KPD_KEYPAD;



#ifdef __cplusplus
extern "C"
{
#endif

/**
 * @name API functions
 *
 * API functions declarations.
 */
/*@{*/

/**
 * function: kpd_power_key_pressed
 *
 * This function is called by the PWR SWE when the PWR key is pressed.
 *
 * @return
 *    - RV_OK if operation is successfull,
 *    - RV_MEMORY_ERR if message could not be sent to the keypad task.
 *    - RV_INTERNAL_ERR if keypad driver is not yet initialized.
 *
 */
T_RV_RET kpd_power_key_pressed(void);

#ifdef __cplusplus
}
#endif


#endif /* #ifndef _KPD_POWER_API_H_ */