headset_powermanager.h

蓝牙耳机的源代码,结合csr的开发套件使用

/****************************************************************************
Copyright (C) Cambridge Silicon Radio Ltd. 2004-2006
Part of BlueLab 3.5.2-release

FILE NAME
    headset_configmanager.h
    
DESCRIPTION
    Configuration manager for the headset - resoponsible for extracting user information out of the 
    PSKEYs and initialising the configurable nature of the headset components
    
*/
#ifndef HEADSET_POWER_MANAGER_H
#define HEADSET_POWER_MANAGER_H

#include <csrtypes.h>
#include <battery.h>

/* Definition of the supported battery chemistry */
typedef enum
{
 lion,
 nimh
}battery_chemistry_type;

/* Definition of the battery monitoring configuration */
typedef struct
{
 uint16 divisor_ratio;
 uint16 high_threshold;
 uint16 low_threshold;
 uint16 shutdown_threshold; 
 uint16 monitoring_period;
 uint16 low_batt_remind_time_secs ;
    
}battery_config_type;

/* Definition of the battery charger configuration */
typedef struct
{
 uint16  min_voltage;
 uint16  max_voltage;
 unsigned dv_voltage:8;
	unsigned	dv_inhibit_time:8;
	unsigned	max_temp:8;
	unsigned	min_temp:8;
	unsigned	update_period:8;
	unsigned	td:8;
	unsigned	time:8;
	unsigned	th_enable_pio:8;
	int16		th_m;
	int16		th_c;
	int16		vdet_m;
	int16		vdet_c;
	int16		dt;
}charger_config_type;

/* Definition of the power configuration */
typedef struct
{
	battery_chemistry_type		chemistry;
	battery_config_type			battery;
	charger_config_type			charger;
}power_config_type;

/* Task to receive AIO readings */
typedef struct
{
	TaskData				task;
	battery_reading_source	source;
	BatteryState			state;
	int16					current_reading;
}aioTask;

/* Charger state */
typedef enum
{
	disconnected,
	trickle_charge,
	fast_charge,
	charge_error
}charging_state_type;

/* Charger control */
typedef struct
{
	charging_state_type			state;
	int16						dv_peak;
	int16						prev_dv_peak;
	int16						dt_level;
	int16						prev_dt_level;
	uint16						fast_charge_timer;
	bool						fast_charge_inhibit;
	TaskData					task;
}charger_state;

/* Definition of the power state */
typedef struct
{
	/* Configuration */
	power_config_type			config;
	/* Vbat */
	aioTask						vbat_task;
	/* Vth */
	aioTask						vth_task;
	/* Charger state */
	charger_state				charger;
}power_type;


/****************************************************************************
NAME    
    powerManagerInit
    
DESCRIPTION
  	Initialise power management
    
RETURNS
    void
*/
power_type* powerManagerInit(void);

/****************************************************************************
NAME    
    powerManagerConfig
    
DESCRIPTION
  	Configure power management
    
RETURNS
    void
*/
bool powerManagerConfig(power_type* power, const power_config_type* config);


/****************************************************************************
NAME    
    powerManagerChargerConnected
    
DESCRIPTION
  	This function is called when the charger is plugged into the headset
    
RETURNS
    void
*/
void powerManagerChargerConnected(power_type* power);


/****************************************************************************
NAME    
    powerManagerChargerDisconnected
    
DESCRIPTION
  	This function is called when the charger is unplugged from the headset
    
RETURNS
    void
*/
void powerManagerChargerDisconnected(power_type* power);

#endif