Page 11 of Datasheet shows that the LSB 4 bits of the data types are always the last BCD digit the upper 3 bits are sometimes the upper digit, sometim

Initializes I2C and verifies communication with the BQ27441.

Thank you ChatGPT for this function

poll device for completion of the internal write‑cycle (max 5 ms)

------------------------------------------------------------------ */ Scan slotIndexes[] and return: * * -

Calculate CRC-8 according to SHT4x (Sensirion) algorithm

CRC-16/CCITT-FALSE (poly 0x1021, init 0xFFFF, no reflection, no final XOR)

CRC-16/CCITT-FALSE (poly 0x1021, init 0xFFFF, no xorout)

Reads and returns the specified current measurement

when woken up by alarm, just quickly update then screen then go back to sleep;

sleep until a button is pressed, a clock alarm, or screen hibernation timer expires

Enter configuration mode - set userControl if calling from an Arduino sketch and you want control over when to exitConfig

Exit configuration mode with the option to perform a resimulation

Check if the ITPOR flag is set

Load an image file and return a 1-bit PIL Image.

Pack a 1-bit image into bytes: - MSB-first within each byte. - Row-major. - Pad end of each row to byte boundary with 0s. B

Configures the design capacity of the connected battery.