static void rk2918_low_battery_check(void)
{
int i;
int tmp = 0;
for (i = 0; i < 100; i++)
{
tmp += adc_sync_read(gBatteryData->client);
mdelay(1);
}
tmp = tmp / 100;
//gBatteryData->adc_val = tmp;
//gBatVoltage = (tmp * BAT_2V5_VALUE * (BAT_PULL_UP_R + BAT_PULL_DOWN_R)) / (1024 * BAT_PULL_DOWN_R);
//rk2918_get_charge_status();
//gBatCapacity = rk2918_get_bat_capacity_raw(gBatVoltage);
rk2918_get_charge_status();
tmp = (tmp * BAT_2V5_VALUE * (BAT_PULL_UP_R + BAT_PULL_DOWN_R)) / (1024 * BAT_PULL_DOWN_R);
if(RK29_ADC_CLI_ADD)
tmp += RK29_ADC_CLI_VALUE;
else
tmp -= RK29_ADC_CLI_VALUE;
gBatCapacity = rk2918_get_bat_capacity_raw(tmp);
if (gBatCapacity == 0) gBatCapacity = 1;
printk("rk2918_low_battery_check: gBatVoltage = %d, gBatCapacity = %d\n", gBatVoltage, gBatCapacity);
if (gBatVoltage <= BATT_ZERO_VOL_VALUE + 50)
{
printk("low battery: powerdown\n");
gpio_direction_output(POWER_ON_PIN, GPIO_LOW);
tmp = 0;
while(1)
{
if(gpio_get_value(POWER_ON_PIN) == GPIO_HIGH)
{
gpio_set_value(POWER_ON_PIN,GPIO_LOW);
}
mdelay(5);
if (++tmp > 50) break;
}
}
gpio_direction_output(POWER_ON_PIN, GPIO_HIGH);
}
static int rk2918_get_bat_capacity_ext(int BatVoltage)
{
int i = 0;
int capacity = 0;
static int lostcount = 0;
capacity = rk2918_get_bat_capacity_raw(BatVoltage);
capacitytmp = capacity;
//充放电状态变化后，Buffer填满之前，不更新
if (gBatStatusChangeCnt < NUM_VOLTAGE_SAMPLE)
{
capacity = gBatCapacity;
}
if (gBatChargeStatus == 1)
{
if ((capacity > gBatCapacity) && (gBatCapacity < 100))
{
//实际采样到的电压比显示的电压大，逐级上升
gBatHighCapacityChargeCnt = 0;
if (gBatCapacityDownCnt == 0)
{
capacity = gBatCapacity + 1;
gBatCapacityDownCnt = NUM_CHARGE_MIN_SAMPLE;
}
else
{
capacity = gBatCapacity;
}
}
else if ((capacity <= gBatCapacity) && (gBatCapacity < 100))
{
capacity = gBatCapacity;
//长时间内充电电压无变化，开始启动计时充电
if ((gBatCapacity >= 80) && (++gBatHighCapacityChargeCnt > NUM_CHARGE_MAX_SAMPLE))
{
capacity = gBatCapacity + 1;
gBatHighCapacityChargeCnt = (NUM_CHARGE_MAX_SAMPLE - NUM_CHARGE_MID_SAMPLE);
}
}
else
{
capacity = gBatCapacity;
}
if (capacity == 0)
{
capacity = 1;
}
if (capacity >= 100)
{
capacity = 99;
}
if (gBatStatus == POWER_SUPPLY_STATUS_FULL)
{
capacity = 100;
}
}
else
{
//放电时,只允许电压下降
if (capacity > gBatCapacity)
{
capacity = gBatCapacity;
}
if ((capacity < gBatCapacity) && (gBatCapacityDownCnt == 0))
{
capacity = gBatCapacity - 1;
gBatCapacityDownCnt = NUM_DISCHARGE_MIN_SAMPLE;
}
else
{
capacity = gBatCapacity;
}
#if defined (CONFIG_MACH_M1005HN) || defined (CONFIG_MACH_M1005HNW) || defined (CONFIG_MACH_M1005HD)
if (lostcount++ > NUM_SPEEDLOSE_SAMPLE)
{
lostcount = 0;
if (((lastlost-gBatVoltage)>16)&&(gBatVoltage >= 6900))// start play game
{
shutdownvoltage = 6700;
printk("%s...lastlost=%d.enter game\n",__func__,gBatVoltage);
}
else
{
if ((gBatVoltage-lastlost)>16) //exit game
{
shutdownvoltage = 6900;
printk("%s.. lastlost=%d..exit game\n",__func__,gBatVoltage);
}
}
lastlost = gBatVoltage;
}
// <8%capacity enter game will make mistake
if (((gBatVoltage<=shutdownvoltage) && (lastlost-gBatVoltage)<=6) || (gBatVoltage <= 6700))
{
shutdownflag++;
if(shutdownflag >= NUM_SHUTD0WN_SAMPLE)
{
capacity = 0;
printk("%s.........%d.........%d\n",__func__,__LINE__,shutdownflag);
shutdownflag = NUM_SHUTD0WN_SAMPLE+1;
}
}
#else
if (lostcount++ > NUM_SPEEDLOSE_SAMPLE)
{
lostcount = 0;
if (((lastlost-gBatVoltage)>8)&&(gBatVoltage >= 3400))// start play game
{
shutdownvoltage = 3300;
printk("%s...lastlost=%d.enter game\n",__func__,gBatVoltage);
}
else
{
if ((gBatVoltage-lastlost)>8) //exit game
{
shutdownvoltage = 3400;
printk("%s.. lastlost=%d..exit game\n",__func__,gBatVoltage);
}
}
lastlost = gBatVoltage;
}
// <8%capacity enter game will make mistake
if (((gBatVoltage<=shutdownvoltage) && (lastlost-gBatVoltage)<=3) || (gBatVoltage <= 3300))
{
shutdownflag++;
if(shutdownflag >= NUM_SHUTD0WN_SAMPLE)
{
capacity = 0;
printk("%s.........%d.........%d\n",__func__,__LINE__,shutdownflag);
shutdownflag = NUM_SHUTD0WN_SAMPLE+1;
}
}
#endif
}
if (gBatCapacityDownCnt > 0)
{
gBatCapacityDownCnt --;
}
return capacity;
}
static int rk2918_battery_resume_get_Capacity(int deltatime)
{
int i;
int tmp = 0;
int capacity = 0;
for (i = 0; i < 20; i++)
{
tmp += adc_sync_read(gBatteryData->client);
mdelay(1);
}
tmp = tmp / 20;
//tmp = (tmp * BAT_2V5_VALUE * (BAT_PULL_UP_R + BAT_PULL_DOWN_R)) / (1024 * BAT_PULL_DOWN_R);
tmp = adc_to_voltage(tmp);
capacity = rk2918_get_bat_capacity_raw(tmp);
//if last status is charging FULL, will return 100
if(last_BatChargeStatus == POWER_SUPPLY_STATUS_FULL)
return 100;
//if last status is charging , and now still charging
if ((gBatChargeStatus == 1) && (last_BatChargeStatus == 1))
{
/*
if (deltatime > (100 - gBatCapacity) * CHARGE_MIN_SECOND)
deltatime = (100 - gBatCapacity) * CHARGE_MIN_SECOND;
if (capacity > gBatCapacity + (deltatime / CHARGE_MIN_SECOND)) //采样电池容量偏差较大，将容量拉回
{
capacity = gBatCapacity + (deltatime / CHARGE_MIN_SECOND);
}
*/
//
if((gBatCapacity > 80))
{
capacity = gBatCapacity + deltatime/CHARGE_MID_SECOND;
}
else
{
/*some battery cannot arrive to 4.1V when charging full*/
if((deltatime > (100 - gBatCapacity) * CHARGE_MID_SECOND))
{
capacity = 99;
if (rk29_battery_dbg_level)
printk("0000rk2918_battery_resume: last_BatChargeStatus: %d, gBatChargeStatus: %d, gBatVoltage = %d, gBatCapacity = %d, deltatime = %d, capacity = %d\n",
last_BatChargeStatus, gBatChargeStatus, gBatVoltage, gBatCapacity, deltatime, capacity);
if (gBatStatus == POWER_SUPPLY_STATUS_FULL)
{
capacity = 100;
}
return capacity;
}
/*if battery is not full after long charging*/
if((capacity > 80))
{
if(capacity < gBatCapacity + deltatime/CHARGE_MID_SECOND)
capacity = gBatCapacity + deltatime/CHARGE_MID_SECOND;
if(capacity >= 100)
capacity = 99;
if (gBatStatus == POWER_SUPPLY_STATUS_FULL)
{
capacity = 100;
}
if (rk29_battery_dbg_level)
printk("11111rk2918_battery_resume: last_BatChargeStatus: %d, gBatChargeStatus: %d, gBatVoltage = %d, gBatCapacity = %d, deltatime = %d, capacity = %d\n",
last_BatChargeStatus, gBatChargeStatus, gBatVoltage, gBatCapacity, deltatime, capacity);
return capacity;
}
if(capacity > gBatCapacity)
{
if((capacity-gBatCapacity)>15)
gBatCapacity = capacity;
else
{
if(gBatCapacity > 20)
capacity=gBatCapacity;
else
gBatCapacity =(gBatCapacity + capacity)/2;
}
}
else if (capacity < gBatCapacity)
{
if((gBatCapacity - capacity)>10)
gBatCapacity = capacity;
else
capacity=gBatCapacity ;
}
}
if (capacity >= 100)
capacity = 99;
}
else
{
/*
if (deltatime > gBatCapacity * DISCHARGE_MIN_SECOND)
deltatime = gBatCapacity * DISCHARGE_MIN_SECOND;
if (capacity < gBatCapacity - (deltatime / DISCHARGE_MIN_SECOND)) //采样电池容量偏差较大，将容量拉回
{
capacity = gBatCapacity - (deltatime / DISCHARGE_MIN_SECOND);
}
*/
if (rk29_battery_dbg_level)
printk("333rk2918_battery_resume: last_BatChargeStatus: %d, gBatChargeStatus: %d, gBatVoltage = %d, gBatCapacity = %d, deltatime = %d, capacity = %d\n",
last_BatChargeStatus, gBatChargeStatus, gBatVoltage, gBatCapacity, deltatime, capacity);
/*to ensure battery show 100% after long charging during sleep and then pug out charger*/
if((deltatime > (100 - gBatCapacity) * CHARGE_MID_SECOND) && (last_BatChargeStatus == 1))
{
if(capacity < 99)
capacity = 99;
if(capacity >= 100)
capacity = 100;
return capacity;
}
if (capacity < gBatCapacity)
{
if((gBatCapacity - capacity)>10)
gBatCapacity = capacity;
else
capacity=gBatCapacity ;
}
else if (capacity > gBatCapacity)
{
if((capacity-gBatCapacity)>15)
gBatCapacity = capacity;
else
capacity=gBatCapacity ;
}
}
if (capacity == 0)
capacity = 1;
if (capacity >= 100)
capacity = 100;
if (gBatStatus == POWER_SUPPLY_STATUS_FULL)
{
capacity = 100;
}
if (rk29_battery_dbg_level)
printk("rk2918_battery_resume: last_BatChargeStatus: %d, gBatChargeStatus: %d, gBatVoltage = %d, gBatCapacity = %d, deltatime = %d, ktmietmp.tv.sec = %lu, capacity = %d\n",
last_BatChargeStatus, gBatChargeStatus, gBatVoltage, gBatCapacity, deltatime, batteryspendcnt, capacity);
return capacity;
}
static int rk2918_battery_load_capacity(void)
{
int i;
int tmp = 0;
int loadcapacity = 0;
int truecapacity = 0;
char value[11];
static char lastthree[6]= {0};
char* p = value;
struct file* fp = filp_open(BATT_FILENAME,O_RDONLY,0);
//get true capacity
for (i = 0; i < 20; i++)
{
tmp += adc_to_voltage(adc_sync_read(gBatteryData->client));
mdelay(1);
}
tmp = tmp / 20;
lastlost = tmp;
truecapacity = rk2918_get_bat_capacity_raw(tmp);
if(IS_ERR(fp))
{
printk("bryan---->open file /data/bat_last_capacity.dat failed\n");
printk("truecapacity = %d\n", truecapacity);
if(truecapacity>=100)
truecapacity = 100;
if(truecapacity==0)
truecapacity=1;
openfailflag = 1;
if (openfailcount <= 5)
{
lastthree[openfailcount-1] = truecapacity;
if (openfailcount == 1)
{
tmp = 0;
for (i=0;i<5;i++)
{
tmp += lastthree[4-i];
printk("%s...............%d\n",__func__,tmp);
}
truecapacity = tmp/5;
printk("%s...............%d\n",__func__,tmp);
}
}
return truecapacity;
}
else
{
openfailflag = 0;
openfailcount = 0;
}
kernel_read(fp,0,value,10);
filp_close(fp,NULL);
value[10]=0;
while(*p)
{
if(*p==0x0d)
{
*p=0;
break;
}
p++;
}
sscanf(value,"%d",&loadcapacity);
printk("bryan---->loadcapacity = %d, truecapacity = %d\n",loadcapacity, truecapacity);
if ((loadcapacity <= 0) || (loadcapacity > 100))
{
loadcapacity = truecapacity;
}
//如果从文件中读取的电压比实际的高很多的话，说明是长时间放置导致放电
if (loadcapacity > truecapacity)
{
if (loadcapacity - truecapacity > 20)
{
loadcapacity = truecapacity;
}
}
else
{
if ( ((truecapacity-loadcapacity) >= 20))
{
if (truecapacity < 30)
{
if (loadcapacity < 10)
{
loadcapacity = truecapacity/2;
}
}
else
{
loadcapacity = truecapacity;
}
}
}
if (loadcapacity <= 0)
{
loadcapacity = 1;
}
if (loadcapacity >= 100)
{
loadcapacity = 100;
}
return loadcapacity;
}
static int rk2918_get_bat_capacity_ext(int BatVoltage)
{
int i = 0;
int capacity = 0;
static int lostcount = 0;
uint8_t speedlose = 1;
capacity = rk2918_get_bat_capacity_raw(BatVoltage);
capacitytmp = capacity;
//充放电状态变化后，Buffer填满之前，不更新
if (gBatStatusChangeCnt < NUM_VOLTAGE_SAMPLE)
{
capacity = gBatCapacity;
}
if (gBatChargeStatus == 1)
{
if ((capacity > gBatCapacity) && (gBatCapacity < 100) && (gBatCapacityDownCnt == 0))
{
capacity = gBatCapacity + 1;
if(usb_charging_on)
gBatCapacityDownCnt = NUM_CHARGE_MIN_SAMPLE + NUM_CHARGE_MIN_SAMPLE;
else
gBatCapacityDownCnt = NUM_CHARGE_MIN_SAMPLE;
gBatHighCapacityChargeCnt = 0;
}
else if (((capacity <= gBatCapacity) && (gBatCapacity < 100)) || (gBatCapacity >= 90))
{
if(usb_charging_on)
{
if (++gBatHighCapacityChargeCnt > NUM_CHARGE_MAX_SAMPLE + NUM_CHARGE_MID_SAMPLE)
{
//长时间内充电电压无变化，开始计时充电
capacity = gBatCapacity + 1;
gBatHighCapacityChargeCnt = (NUM_CHARGE_MAX_SAMPLE - NUM_CHARGE_MID_SAMPLE);
}
else
{
capacity = gBatCapacity;
}
}
else
{
if (++gBatHighCapacityChargeCnt > NUM_CHARGE_MAX_SAMPLE)
{
//长时间内充电电压无变化，开始计时充电
capacity = gBatCapacity + 1;
gBatHighCapacityChargeCnt = (NUM_CHARGE_MAX_SAMPLE - NUM_CHARGE_MID_SAMPLE);
}
else
{
capacity = gBatCapacity;
}
}
}
else
{
capacity = gBatCapacity;
}
if (capacity == 0)
{
capacity = 1;
}
if (capacity >= 100)
{
capacity = 99;
}
if (gBatStatus == POWER_SUPPLY_STATUS_FULL)
{
capacity = 100;
}
}
else
{
//放电时,只允许电压下降
if (capacity > gBatCapacity)
{
capacity = gBatCapacity;
}
if ((capacity < gBatCapacity) && (gBatCapacityDownCnt == 0))
{
capacity = gBatCapacity - 1;
gBatCapacityDownCnt = NUM_DISCHARGE_MIN_SAMPLE;
}
else
{
capacity = gBatCapacity;
}
if (lostcount++ > NUM_SPEEDLOSE_SAMPLE)
{
lostcount = 0;
if (((lastlost-gBatVoltage)>8)&&(gBatVoltage >= 3400))// start play game
{
shutdownvoltage = 3300;
printk("%s...lastlost=%d.enter game\n",__func__,gBatVoltage);
}
else
{
if ((gBatVoltage-lastlost)>8) //exit game
{
shutdownvoltage = 3400;
printk("%s.. lastlost=%d..exit game\n",__func__,gBatVoltage);
}
}
lastlost = gBatVoltage;
}
// <8%capacity enter game will make mistake
if (((gBatVoltage<=shutdownvoltage) && (lastlost-gBatVoltage)<=3) || (gBatVoltage <= 3300))
{
shutdownflag++;
if(shutdownflag >= NUM_SHUTD0WN_SAMPLE)
{
capacity = 0;
printk("%s.........%d.........%d\n",__func__,__LINE__,shutdownflag);
shutdownflag = NUM_SHUTD0WN_SAMPLE+1;
}
}
}
if (gBatCapacityDownCnt > 0)
{
gBatCapacityDownCnt --;
}
return capacity;
}
static int rk2918_battery_resume_get_Capacity(int deltatime)
{
int i;
int tmp = 0;
int capacity = 0;
gFlagLoop = 0;
pSamples = &gBatVoltageSamples[0];
for (i = 0; i < 80; i++)
{
tmp += adc_sync_read(gBatteryData->client);
mdelay(1);
}
tmp = tmp / 80;
tmp = (tmp * BAT_2V5_VALUE * (BAT_PULL_UP_R + BAT_PULL_DOWN_R)) / (1024 * BAT_PULL_DOWN_R);
if(RK29_ADC_CLI_ADD)
tmp += RK29_ADC_CLI_VALUE;
else
tmp -= RK29_ADC_CLI_VALUE;
capacity = rk2918_get_bat_capacity_raw(tmp);
if (gBatChargeStatus == 1)
{
/*
if (deltatime > (100 - gBatCapacity) * CHARGE_MIN_SECOND)
deltatime = (100 - gBatCapacity) * CHARGE_MIN_SECOND;
if (capacity > gBatCapacity + (deltatime / CHARGE_MIN_SECOND)) //采样电池容量偏差较大，将容量拉回
{
capacity = gBatCapacity + (deltatime / CHARGE_MIN_SECOND);
}
*/
//
if(gBatCapacity > 80)
{
if(gBatChargeStatus == last_BatChargeStatus)
capacity = gBatCapacity + deltatime/CHARGE_MID_SECOND;
}
else
{
/*some battery cannot arrive to 4.1V when charging full*/
if((deltatime > (100 - gBatCapacity) * CHARGE_MID_SECOND) && (gBatChargeStatus == last_BatChargeStatus))
{
capacity = 99;
printk("0000rk2918_battery_resume: last_BatChargeStatus: %d, gBatChargeStatus: %d, gBatVoltage = %d, gBatCapacity = %d, deltatime = %d, capacity = %d\n",
last_BatChargeStatus, gBatChargeStatus, gBatVoltage, gBatCapacity, deltatime, capacity);
if (gBatStatus == POWER_SUPPLY_STATUS_FULL)
{
capacity = 100;
}
return capacity;
}
/*if battery is not full after long charging*/
if((capacity > 80)&& (gBatChargeStatus == last_BatChargeStatus))
{
if(capacity < gBatCapacity + deltatime/CHARGE_MID_SECOND)
capacity = gBatCapacity + deltatime/CHARGE_MID_SECOND;
if(capacity >= 100)
capacity = 99;
if (gBatStatus == POWER_SUPPLY_STATUS_FULL)
{
capacity = 100;
}
printk("11111rk2918_battery_resume: last_BatChargeStatus: %d, gBatChargeStatus: %d, gBatVoltage = %d, gBatCapacity = %d, deltatime = %d, capacity = %d\n",
last_BatChargeStatus, gBatChargeStatus, gBatVoltage, gBatCapacity, deltatime, capacity);
return capacity;
}
if(capacity > gBatCapacity)
{
if((capacity-gBatCapacity)>15)
gBatCapacity = capacity;
else
capacity=gBatCapacity ;
}
else if (capacity < gBatCapacity)
{
if((gBatCapacity - capacity)>10)
gBatCapacity = capacity;
else
capacity=gBatCapacity ;
}
}
if (capacity >= 100)
capacity = 99;
}
else
{
/*
if (deltatime > gBatCapacity * DISCHARGE_MIN_SECOND)
deltatime = gBatCapacity * DISCHARGE_MIN_SECOND;
if (capacity < gBatCapacity - (deltatime / DISCHARGE_MIN_SECOND)) //采样电池容量偏差较大，将容量拉回
{
capacity = gBatCapacity - (deltatime / DISCHARGE_MIN_SECOND);
}
*/
if (capacity < gBatCapacity)
{
if((gBatCapacity - capacity)>10)
gBatCapacity = capacity;
else
capacity=gBatCapacity ;
}
else if (capacity > gBatCapacity)
{
if((capacity-gBatCapacity)>15)
gBatCapacity = capacity;
else
capacity=gBatCapacity ;
}
}
if (capacity == 0)
capacity = 1;
if (capacity >= 100)
capacity = 100;
if (gBatStatus == POWER_SUPPLY_STATUS_FULL)
{
capacity = 100;
}
printk("rk2918_battery_resume: last_BatChargeStatus: %d, gBatChargeStatus: %d, gBatVoltage = %d, gBatCapacity = %d, deltatime = %d, ktmietmp.tv.sec = %lu, capacity = %d\n",
last_BatChargeStatus, gBatChargeStatus, gBatVoltage, gBatCapacity, deltatime, batteryspendcnt, capacity);
return capacity;
}
static int rk2918_battery_load_capacity(void)
{
int i;
int tmp = 0;
int loadcapacity = 0;
int truecapacity = 0;
char value[11];
static char lastthree[6]= {0};
char* p = value;
unsigned long spendcnt_intervals = 0;
ktime_t ktimetmp;
ktimetmp = ktime_get_real();
struct file* fp = filp_open(BATT_FILENAME,O_RDONLY,0);
//get true capacity
for (i = 0; i < 50; i++)
{
tmp += adc_sync_read(gBatteryData->client);
mdelay(1);
}
tmp = tmp / 50;
tmp = (tmp * BAT_2V5_VALUE * (BAT_PULL_UP_R + BAT_PULL_DOWN_R)) / (1024 * BAT_PULL_DOWN_R);
if(RK29_ADC_CLI_ADD)
tmp += RK29_ADC_CLI_VALUE;
else
tmp -= RK29_ADC_CLI_VALUE;
truecapacity = rk2918_get_bat_capacity_raw(tmp);
if(IS_ERR(fp))
{
printk("hj---->open file /data/bat_last_capacity.dat failed\n");
printk("truecapacity = %d\n", truecapacity);
if(truecapacity>=100)
truecapacity = 100;
if(truecapacity==0)
truecapacity=1;
openfailflag = 1;
if (openfailcount <= 5)
{
lastthree[openfailcount-1] = truecapacity;
if (openfailcount == 1)
{
tmp = 0;
for (i=0;i<5;i++)
{
tmp += lastthree[4-i];
printk("%s...............%d\n",__func__,tmp);
}
truecapacity = tmp/5;
printk("%s...............%d\n",__func__,tmp);
}
}
return truecapacity;
}
else
{
openfailflag = 0;
openfailcount = 0;
}
kernel_read(fp,0,value,10);
filp_close(fp,NULL);
value[10]=0;
while(*p)
{
if(*p==0x0d)
{
*p=0;
break;
}
p++;
}
//spendcnt_intervals = ktimetmp.tv.sec - get_spendcnt_from_datefile();
sscanf(value,"%d",&loadcapacity);
printk("hj---->loadcapacity = %d, truecapacity = %d\n",loadcapacity, truecapacity);
if((loadcapacity < 0) || (loadcapacity > 100))
loadcapacity = truecapacity;
// will show capacity in last poweroff if not more than 6 houre in off state
#if !(defined (CONFIG_MACH_M900) || defined (CONFIG_MACH_M900HD) || defined (CONFIG_MACH_M900HDW))
if(( spendcnt_intervals < SPENDCNT_IN_OFF_STATE) && ((truecapacity-loadcapacity) < 25))
{
if (loadcapacity == 0)
{
loadcapacity = 1;
}
else
{
if (loadcapacity >= 100)
{
loadcapacity = 100;
}
}
return loadcapacity;
}
printk("off state more than 1 housr\n");
#endif
//如果从文件中读取的电压比实际的高很多的话，说明是长时间放置导致放电
if (loadcapacity > truecapacity)
{
if (loadcapacity - truecapacity > 20)
{
loadcapacity = truecapacity;
}
}
else
{
if ( ((truecapacity-loadcapacity) >= 20))
{
if (truecapacity < 30)
{
if (loadcapacity < 10)
{
loadcapacity = truecapacity/2;
}
}
else
{
loadcapacity = truecapacity;
}
}
}
if (loadcapacity == 0)
{
loadcapacity = 1;
}
else
{
if (loadcapacity >= 100)
{
loadcapacity = 100;
}
}
lastlost = loadcapacity;
return loadcapacity;
}
static int rk2918_get_bat_capacity_ext(int BatVoltage)
{
int capacity = 0;
int num = 0;
int i = 0;
static int lostcount = 0;
uint8_t speedlose = 1;
capacity = rk2918_get_bat_capacity_raw(BatVoltage);
capacitytmp = capacity;
//充放电状态变化后，Buffer填满之前，不更新
if (gBatStatusChangeCnt < NUM_VOLTAGE_SAMPLE)
{
capacity = gBatCapacity;
}
if (gBatChargeStatus == 1)
{
if ((capacity > gBatCapacity) && (gBatCapacity < 99) && ((gBatCapacityUpCnt++) >= NUM_CHARGE_MIN_SAMPLE))
{
capacity = gBatCapacity + 1;
gBatCapacityUpCnt = 0;
gBatHighCapacityChargeCnt = 0;
}
else if ((capacity < gBatCapacity) && (gBatCapacity < 90))
{
if (++gBatHighCapacityChargeCnt > NUM_CHARGE_MAX_SAMPLE*3)
{
//长时间内充电电压无变化，开始计时充电
capacity = gBatCapacity + 1;
gBatHighCapacityChargeCnt = (NUM_CHARGE_MAX_SAMPLE - NUM_CHARGE_MID_SAMPLE);
}
else
{
capacity = gBatCapacity;
}
}
else
{
capacity = gBatCapacity;
}
if (capacity == 0)
{
capacity = 1;
}
if (gBatStatusBack == POWER_SUPPLY_STATUS_FULL)
{
capacity = 100;
}
else if((gBatStatusBack==POWER_SUPPLY_STATUS_UNKNOWN)&&(gBatCapacity>=100))
{
capacity = 99;
}
//shutdownvoltage = 3500;
}
else
{
//放电时,只允许电压下降
if (capacity > gBatCapacity)
{
capacity = gBatCapacity;
}
if ((capacity < gBatCapacity) && ((gBatCapacityDownCnt++) >= NUM_DISCHARGE_MIN_SAMPLE))
{
/*
[ 6377.140657] gBatStatus = 3, adc_val = 775, TrueBatVol = 3784,gBatVol = 3764, gBatCap = 53, captmp = 56, sec = 1293972374,full_times=0,chargeok=1,flag =1,dcdet=0
[ 6378.263192] gBatStatus = 3, adc_val = 775, TrueBatVol = 3784,gBatVol = 3269, gBatCap = 27, captmp = 0, sec = 1293973200,full_times=0,chargeok=1,flag =1,dcdet=0
[ 6397.263182] gBatStatus = 3, adc_val = 780, TrueBatVol = 3808,gBatVol = 3806, gBatCap = 27, captmp = 62, sec = 1293973219,full_times=0,chargeok=1,flag =1,dcdet=0
if(capacity==0)
{
if((gBatCapacity-capacity)>3)
capacity = gBatCapacity -(gBatCapacity - capacity)/2;
else
capacity =0;
}
else
*/
capacity = gBatCapacity - 1;
gBatCapacityDownCnt = 0;
}
else
{
capacity = gBatCapacity;
}
if(capacity>=100)
capacity = 99;
gBatStatusBack = POWER_SUPPLY_STATUS_UNKNOWN;
#if 0
if (lostcount++ > NUM_SPEEDLOSE_SAMPLE)
{
lostcount = 0;
if (((lastlost-gBatVoltage)>20)&&(gBatVoltage >= 3400))// start play game
{
shutdownvoltage = 3400;
entercount++;
printk("%s...lastlost=%d. entercount=%d enter game\n",__func__,gBatVoltage,entercount);
}
else
{
if (((gBatVoltage-lastlost)>20)&& (entercount>0))//exit game
{
shutdownvoltage = 3500;
entercount--;
printk("%s.. lastlost=%d..entercount=%d exit game\n",__func__,gBatVoltage,entercount);
}
}
lastlost = gBatVoltage;
}
#endif
// <8%capacity enter game will make mistake
// if (((gBatVoltage<=shutdownvoltage) && (lastlost-gBatVoltage)<=3) || (gBatVoltage <= 3300))
if ((gBatVoltage<shutdownvoltage) && (gBatCapacity < 8))
{
shutdownflag++;
if(shutdownflag >= NUM_SHUTD0WN_SAMPLE)
{
capacity = 0;
printk("%s.........%d...voltage is too small....%d\n",__func__,__LINE__,shutdownflag);
shutdownflag = NUM_SHUTD0WN_SAMPLE+1;
}
}
}
return capacity;
}
static int rk2918_battery_resume_get_Capacity(int deltatime)
{
int i;
int tmp = 0;
int capacity = 0;
int num = 0;
int voltagetmp = 0;
pSamples = &gBatVoltageSamples[0];
for (i = 0; i < 50; i++)
{
voltagetmp = adc_sync_read(gBatteryData->client);
*pSamples = (voltagetmp * BAT_2V5_VALUE * (BAT_PULL_UP_R + BAT_PULL_DOWN_R)) / (1024 * BAT_PULL_DOWN_R);
tmp = tmp + *pSamples++;
mdelay(1);
}
tmp = tmp / 50;
//tmp = (tmp * BAT_2V5_VALUE * (BAT_PULL_UP_R + BAT_PULL_DOWN_R)) / (1024 * BAT_PULL_DOWN_R);
capacity = rk2918_get_bat_capacity_raw(tmp);
printk("rk2918_battery_resume:%d,%d,%d,%d\n",capacity,gBatCapacity,tmp,gBatChargeStatus);
if (gBatChargeStatus == 1)
{
//if (deltatime > (100 - gBatCapacity) * CHARGE_MIN_SECOND)
// deltatime = (100 - gBatCapacity) * CHARGE_MIN_SECOND;
// if (capacity > gBatCapacity + (deltatime / CHARGE_MIN_SECOND)) //采样电池容量偏差较大，将容量拉回
//{
// capacity = gBatCapacity + (deltatime / CHARGE_MIN_SECOND);
// }
if(capacity > gBatCapacity)
{
if((capacity-gBatCapacity)>5)
gBatCapacity = capacity;
else
capacity=gBatCapacity ;
}
else
{
capacity = gBatCapacity;
}
if ((gpio_get_value(gBatteryData->charge_ok_pin) == gBatteryData->charge_ok_level))
{
capacity = 100;
gBatStatus = POWER_SUPPLY_STATUS_FULL;
gBatteryData->full_times = NUM_CHARGE_FULL_DELAY_TIMES + 1;
}
}
else
{
//if (deltatime > gBatCapacity * DISCHARGE_MIN_SECOND)
// deltatime = gBatCapacity * DISCHARGE_MIN_SECOND;
//if (capacity < gBatCapacity - (deltatime / DISCHARGE_MIN_SECOND)) //采样电池容量偏差较大，将容量拉回
//{
// capacity = gBatCapacity - (deltatime / DISCHARGE_MIN_SECOND);
//}
if (capacity < gBatCapacity)
{
if((capacity-gBatCapacity)>5)
gBatCapacity = capacity;
else
capacity=gBatCapacity ;
}
else
{
capacity=gBatCapacity ;
}
}
if (capacity == 0) capacity = 1;
if (capacity >= 100) capacity = 100;
if (gBatStatus == POWER_SUPPLY_STATUS_FULL)
{
capacity = 100;
}
printk("rk2918_battery_resume: gBatVoltage = %d, gBatCapacity = %d, deltatime = %d, ktmietmp.tv.sec = %ul, capacity = %d,gFlagLoop=%d\n",
gBatVoltage, gBatCapacity, deltatime, batteryspendcnt, capacity,gFlagLoop);
return capacity;
}
static int rk2918_battery_load_capacity(void)
{
int i;
int tmp = 0;
int loadcapacity = 0;
int truecapacity = 0;
char value[11];
static char lastthree[6]= {0};
char* p = value;
int flag = dwc_vbus_status();
struct file* fp = filp_open(BATT_FILENAME,O_RDONLY,0);
//get true capacity
for (i = 0; i < 30; i++)
{
tmp += adc_sync_read(gBatteryData->client);
mdelay(1);
}
tmp = tmp / 30;
tmp = (tmp * BAT_2V5_VALUE * (BAT_PULL_UP_R + BAT_PULL_DOWN_R)) / (1024 * BAT_PULL_DOWN_R);
truecapacity = rk2918_get_bat_capacity_raw(tmp);
if(IS_ERR(fp))
{
printk("hj---->open file /data/bat_last_capacity.dat failed\n");
printk("truecapacity = %d\n", truecapacity);
if(truecapacity>=100)
truecapacity = 100;
if(truecapacity==0)
truecapacity=1;
#if 0
if (flag == 1)
{
if (truecapacity > 60)
truecapacity -= 35;
}
#endif
openfailflag = 1;
if (openfailcount <= 5)
{
lastthree[openfailcount-1] = truecapacity;
if (openfailcount == 1)
{
tmp = 0;
for (i=0;i<5;i++)
{
tmp += lastthree[4-i];
printk("%s...............%d\n",__func__,tmp);
}
truecapacity = tmp/5;
printk("%s...............%d\n",__func__,tmp);
}
}
return truecapacity;
}
else
{
openfailflag = 0;
openfailcount = 0;
}
kernel_read(fp,0,value,10);
filp_close(fp,NULL);
value[10]=0;
while(*p)
{
if(*p==0x0d)
{
*p=0;
break;
}
p++;
}
sscanf(value,"%d",&loadcapacity);
printk("hj---->loadcapacity = %d, truecapacity = %d\n",loadcapacity, truecapacity);
//如果从文件中读取的电压比实际的高很多的话，说明是长时间放置导致放电
#if 0
if (loadcapacity > truecapacity)
{
if ((loadcapacity - truecapacity) > 15)
{
loadcapacity = truecapacity;
}
}
else
#endif
{
if (((truecapacity-loadcapacity) >= 25))
{
if (truecapacity < 30)
{
if (loadcapacity < 10)
{
loadcapacity = truecapacity/4;
}
}
else
{
if (truecapacity < 80)
loadcapacity = truecapacity - 8;
else
loadcapacity = truecapacity;
}
}
}
if (loadcapacity == 0)
{
loadcapacity = 1;
}
else
{
if (loadcapacity >= 100)
{
loadcapacity = 99;
}
}
/*
if (gpio_get_value(gBatteryData->charge_ok_pin) == gBatteryData->charge_ok_level)
{
loadcapacity = 99;
}
if (gBatStatus == POWER_SUPPLY_STATUS_FULL)
{
loadcapacity = 100;
}
*/
lastlost = loadcapacity;
return loadcapacity;
}
static int rk2918_get_bat_capacity_ext(int BatVoltage)
{
int i = 0;
int capacity = 0;
static int lostcount = 0;
capacity = rk2918_get_bat_capacity_raw(BatVoltage);
capacitytmp = capacity;
//��ŵ�״̬�仯��Buffer����֮ǰ��������
if (gBatStatusChangeCnt < NUM_VOLTAGE_SAMPLE)
{
capacity = gBatCapacity;
}
if (gBatChargeStatus == 1)
{
if ((capacity > gBatCapacity) && (gBatCapacity < 100))
{
//ʵ�ʲ���ĵ�ѹ����ʾ�ĵ�ѹ��������
gBatHighCapacityChargeCnt = 0;
if (gBatCapacityDownCnt == 0)
{
capacity = gBatCapacity + 1;
gBatCapacityDownCnt = NUM_CHARGE_MIN_SAMPLE;
}
else
{
capacity = gBatCapacity;
}
}
else if ((capacity <= gBatCapacity) && (gBatCapacity < 100))
{
capacity = gBatCapacity;
//��ʱ���ڳ���ѹ�ޱ仯����ʼ������ʱ���
if ((gBatCapacity >= 80) && (++gBatHighCapacityChargeCnt > NUM_CHARGE_MAX_SAMPLE))
{
capacity = gBatCapacity + 1;
gBatHighCapacityChargeCnt = (NUM_CHARGE_MAX_SAMPLE - NUM_CHARGE_MID_SAMPLE);
}
}
else
{
capacity = gBatCapacity;
}
if (capacity == 0)
{
capacity = 1;
}
if (capacity >= 100)
{
capacity = 99;
}
if (gBatStatus == POWER_SUPPLY_STATUS_FULL)
{
capacity = 100;
}
}
else
{
//�ŵ�ʱ,ֻ�����ѹ�½�
if (capacity > gBatCapacity)
{
capacity = gBatCapacity;
}
if ((capacity < gBatCapacity) && (gBatCapacityDownCnt == 0))
{
capacity = gBatCapacity - 1;
gBatCapacityDownCnt = NUM_DISCHARGE_MIN_SAMPLE;
}
else
{
capacity = gBatCapacity;
}
#if defined (CONFIG_MACH_M1005HN) || defined (CONFIG_MACH_M1005HNW) || defined (CONFIG_MACH_M1005HD) || \
defined (CONFIG_ODYS_XPRESS)
if (lostcount++ > NUM_SPEEDLOSE_SAMPLE)
{
lostcount = 0;
if (((lastlost-gBatVoltage)>16)&&(gBatVoltage >= 6900))// start play game
{
shutdownvoltage = 6700;
printk("%s...lastlost=%d.enter game\n",__func__,gBatVoltage);
}
else
{
if ((gBatVoltage-lastlost)>16) //exit game
{
shutdownvoltage = 6900;
printk("%s.. lastlost=%d..exit game\n",__func__,gBatVoltage);
}
}
lastlost = gBatVoltage;
}
// <8%capacity enter game will make mistake
if (((gBatVoltage<=shutdownvoltage) && (lastlost-gBatVoltage)<=6) || (gBatVoltage <= 6700))
{
shutdownflag++;
if(shutdownflag >= NUM_SHUTD0WN_SAMPLE)
{
capacity = 0;
printk("%s.........%d.........%d\n",__func__,__LINE__,shutdownflag);
shutdownflag = NUM_SHUTD0WN_SAMPLE+1;
}
}
#else
if (lostcount++ > NUM_SPEEDLOSE_SAMPLE)
{
lostcount = 0;
if (((lastlost-gBatVoltage)>8)&&(gBatVoltage >= 3400))// start play game
{
shutdownvoltage = 3300;
printk("%s...lastlost=%d.enter game\n",__func__,gBatVoltage);
}
else
{
if ((gBatVoltage-lastlost)>8) //exit game
{
shutdownvoltage = 3400;
printk("%s.. lastlost=%d..exit game\n",__func__,gBatVoltage);
}
}
lastlost = gBatVoltage;
}
// <8%capacity enter game will make mistake
if (((gBatVoltage<=shutdownvoltage) && (lastlost-gBatVoltage)<=3) || (gBatVoltage <= 3300))
{
shutdownflag++;
if(shutdownflag >= NUM_SHUTD0WN_SAMPLE)
{
capacity = 0;
printk("%s.........%d.........%d\n",__func__,__LINE__,shutdownflag);
shutdownflag = NUM_SHUTD0WN_SAMPLE+1;
}
}
#endif
}
if (gBatCapacityDownCnt > 0)
{
gBatCapacityDownCnt --;
}
return capacity;
}
