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Elo
®
Tablet NFC Reader Application Note
ES601068 Rev A, Page 6 of 23
Application Programming Interface
Battery Management
1. EloGetBatteryStatus(unsigned char *pStatus);
Description: Retrieve Battery Information
OUT: 1 byte of Battery Information
Bit 7 - main battery present
Bit 6 - main battery charging
Bit 5 - main battery discharging
Bit 4 - main battery fully charged
Bit 3- docking battery present
Bit 2 - docking battery charging
Bit 1 - docking battery discharging
Bit 0 -docking battery fully charge
Successful Return value: STATUS_OK (0)
2. EloGetBatteryCapacityPercentage(BATTERY_LOCATION location, unsigned int
*pCapacity);
Description: Retrieve current battery capacity percentage
IN: BATTERY_LOCATION: 0 Tablet Battery 1 Docking Battery
OUT: 0 – 100 percent
Successful Return value: STATUS_OK (0)
3. EloGetBatteryChargingStrength(BATTERY_LOCATION location, unsigned int *pStrength);