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Problem to get updated state of charge while i2c interfacing

Part Number: BQ27742-G1

Hello there.. i am right now working on BQ27742-G1 fuel gauge. i have made one simple programming code for i2c communication between fuel gauge and controller (stm32l053c8). and also i use TENERGY li-ion 3.7v 1400mah for fuel gauge . and made one simple setup to discharge battery with connecting resistor in series so i can get value voltage at specific state of charge. as battrey discharge i can get upadated value of voltage but SOC(state if charge) does not update until i remove my battery and plug-in in socket.

so please give me suggestion why my soc is not update by itself when voltage update itself. is there i need to make any other configuration for this...