armbian/linux
0
0
Fork 0
mirror of https://github.com/armbian/linux.git synced 2026-01-06 10:13:00 -08:00
Code Issues Packages Projects Releases Wiki Activity

rk30: perfect information of Single battery

Browse Source
This commit is contained in:
许盛飞
2012-05-17 18:12:49 +08:00
parent 5a65d42ba7
commit 4ddee2e7cc
1 changed files with 23 additions and 8 deletions
Download Patch File Download Diff File Expand all files Collapse all files

31
drivers/power/rk30_adc_battery.c Executable file → Normal file
View File

@@ -65,15 +65,7 @@ module_param_named(dbg_level, rk30_battery_dbg_level, int, 0644);
#define NUM_USBCHARGE_IDENTIFY_TIMES ((USBCHARGE_IDENTIFY_TIMES * 1000) / TIMER_MS_COUNTS) //充电满状态持续时间长度
#define BAT_2V5_VALUE 2500
#define BATT_MAX_VOL_VALUE 8284 // 4180 //满电时的电池电压
#define BATT_ZERO_VOL_VALUE 6800 // 3500 //关机时的电池电压
#define BATT_NOMAL_VOL_VALUE 7600 // 3800
//定义ADC采样分压电阻，以实际值为准，单位K
#define BAT_PULL_UP_R 300 ////200
#define BAT_PULL_DOWN_R 100// 200
#define adc_to_voltage(adc_val) ((adc_val * BAT_2V5_VALUE * (BAT_PULL_UP_R + BAT_PULL_DOWN_R)) / (1024 * BAT_PULL_DOWN_R))
#define BATT_NUM 52
#define BATT_FILENAME "/data/bat_last_capacity.dat"
@@ -88,6 +80,16 @@ struct batt_vol_cal{
#ifdef CONFIG_BATTERY_RK30_VOL3V8
#define BATT_MAX_VOL_VALUE 4120 //满电时的电池电压
#define BATT_ZERO_VOL_VALUE 3400 //关机时的电池电压
#define BATT_NOMAL_VOL_VALUE 3800
//定义ADC采样分压电阻，以实际值为准，单位K
#define BAT_PULL_UP_R 200
#define BAT_PULL_DOWN_R 200
static struct batt_vol_cal batt_table[BATT_NUM] = {
{0,3400,3520},{1,3420,3525},{2,3420,3575},{3,3475,3600},{5,3505,3620},{7,3525,3644},
{9,3540,3662},{11,3557,3670},{13,3570,3684},{15,3580,3700},{17,3610,3715},
@@ -103,6 +105,16 @@ static struct batt_vol_cal batt_table[BATT_NUM] = {
/*******************************************************************************/
#else
#define BATT_MAX_VOL_VALUE 8284 //满电时的电池电压
#define BATT_ZERO_VOL_VALUE 6800 //关机时的电池电压
#define BATT_NOMAL_VOL_VALUE 7600
//定义ADC采样分压电阻，以实际值为准，单位K
#define BAT_PULL_UP_R 300
#define BAT_PULL_DOWN_R 100
static struct batt_vol_cal batt_table[BATT_NUM] = {
{0,6800,7400}, {1,6840,7440}, {2,6880,7480}, {3,6950,7450}, {5,7010,7510}, {7,7050,7550},
{9,7080,7580}, {11,7104,7604}, {13,7140,7640}, {15,7160,7660}, {17,7220,7720},
@@ -117,6 +129,9 @@ static struct batt_vol_cal batt_table[BATT_NUM] = {
};
#endif
#define adc_to_voltage(adc_val) ((adc_val * BAT_2V5_VALUE * (BAT_PULL_UP_R + BAT_PULL_DOWN_R)) / (1024 * BAT_PULL_DOWN_R))
/********************************************************************************/
extern int dwc_vbus_status(void);