static int board_probe_battery_exist(void) //获取电池状态
{
int counter;
int dc_exist, bat_exist;
counter = 4;
do
{
dc_exist = 0;
bat_exist = 0;
axp_power_get_dcin_battery_exist(&dc_exist, &bat_exist);
printf("bat_exist=%d\n", bat_exist);
if(bat_exist == -1)
{
printf("bat is unknown\n");
__msdelay(500);
}
else
{
break;
}
}
while(counter --);
return bat_exist;
}
/*
************************************************************************************************************
*
* function
*
* 函数名称：
*
* 参数列表：
*
* 返回值 ：
*
* 说明 ：
*
*
************************************************************************************************************
*/
static void power_int_irq(void *p_arg)
{
#ifdef DEBUG
int i;
#endif
unsigned char power_int_status[8];
int dc_exist, bat_exist;
axp_int_query(power_int_status);
#ifdef DEBUG
for(i=0;i<5;i++)
{
tick_printf("int status %d %x\n", i, power_int_status[i]);
}
#endif
if(power_int_status[0] & 0x48) //外部电源插入
{
axp_power_get_dcin_battery_exist(&dc_exist, &bat_exist);
if(dc_exist)
{
tick_printf("power insert\n");
boot_standby_action &= ~0x10;
boot_standby_action |= 0x04;
}
}
if(power_int_status[0] & 0x8) //usb 插入中断，启动usb检测
{
tick_printf("usb in\n");
boot_standby_action |= 8;
usb_detect_enter();
}
if(power_int_status[0] & 0x4)
{
tick_printf("usb out\n");
boot_standby_action &= ~0x04;
boot_standby_action |= 0x10;
usb_detect_exit();
}
if(power_int_status[2] & 0x2) //短按键
{
tick_printf("short key\n");
boot_standby_action |= 2;
}
if(power_int_status[2] & 0x1) //长按键
{
tick_printf("long key\n");
boot_standby_action |= 1;
}
return;
}
static int board_probe_bat_status(int standby_mode)
{
int dc_exist, bat_exist, counter;
int bat_init = 0;
int bat_cal = 1;
int ret, chargemode = 0;
//当前可以确定是火牛开机，但是是否开机还不确定，需要确认电池是否存在
//当电池不存在即开机，电池存在则关机
//新添加，根据环境变量，是启动当前的待机，或者android待机功能
ret = script_parser_fetch("charging_type", "charging_type", &chargemode, 1);
if((!ret) && chargemode)
{
chargemode = 1;
}
counter = 4;
do
{
dc_exist = 0;
bat_exist = 0;
axp_power_get_dcin_battery_exist(&dc_exist, &bat_exist);
printf("bat_exist=%d\n", bat_exist);
if(bat_exist == -1)
{
printf("bat is unknown\n");
if(!chargemode)
{
if(!bat_init)
{
if(battery_charge_cartoon_init(0) < 0)
{
tick_printf("init charge cartoon fail\n");
return -1;
}
bat_init = 1;
}
}
__msdelay(500);
}
else
{
break;
}
}
while(counter --);
#ifdef FORCE_BOOT_STANDBY
bat_exist = 1;
#else
if(standby_mode)
{
bat_exist = 1;
}
#endif
if(bat_exist <= 0)
{
tick_printf("no battery exist\n");
if(chargemode)
{
return 0;
}
if(bat_init)
{
battery_charge_cartoon_exit();
}
return 0;
}
if(chargemode)
{
printf("use android charge mode");
gd->chargemode = 1;
return 0;
}
if(!bat_init)
{
bat_cal = axp_probe_rest_battery_capacity();
printf("bat not inited\n");
if(battery_charge_cartoon_init(bat_cal/(100/(SUNXI_BAT_BMP_MAX-1))) < 0)
{
tick_printf("init charge cartoon fail\n");
return -1;
}
}
if((!bat_cal) && (standby_mode))
{
bat_cal = 100;
}
return bat_cal;
}
void power_limit_init(void)
{
int battery_exist = 0;
int dcin_exist = 0;
int vbus_type = 0;
int i = 0;
do
{
#ifdef CONFIG_ARCH_HOMELET
break;
#endif
axp_power_get_dcin_battery_exist(&dcin_exist, &battery_exist);//判断电池是否存在
if(battery_exist >= 0)
{
break;
}
i ++;
__msdelay(500);
}
while(i < 4);
vbus_type = usb_probe_vbus_type();
if(vbus_type == 1) //属于dc类型电源
{
printf("vbus not exist\n");
gd->vbus_status = SUNXI_VBUS_NOT_EXIST;
}
else
{
printf("vbus exist\n");
gd->vbus_status = SUNXI_VBUS_EXIST; //属于vbus类型
}
if(battery_exist != BATTERY_EXIST) //电池不存在，则直接限流到DC模式
{
axp_set_vbus_limit_dc();
puts("no battery, limit to dc\n");
return ;
}
if(dcin_exist == AXP_DCIN_EXIST) //如果普通外部电源存在，不是VBUS类型
{
axp_set_vbus_limit_dc();
puts("normal dc exist, limit to dc\n");
return ;
}
if(dcin_exist == AXP_VBUS_EXIST) //如果VBUS电源存在
{
vbus_type = usb_probe_vbus_type();
if(vbus_type == 1) //属于dc类型电源
{
axp_set_vbus_limit_dc(); //dp_dm 拉高
puts("vbus dc exist, limit to dc\n");
}
else
{
axp_set_vbus_limit_pc(); //dp_dm 拉低
axp_set_charge_current(600);
puts("vbus pc exist, limit to pc\n");
}
return ;
}
axp_set_vbus_limit_dc(); //只有电池存在
puts("only battery exist, limit to dc\n");
return ;
}
