Here are the data structures with brief descriptions:

CILI9341CurrentBuffer_t
CMD_Data_t	Structure to hold signal data for metal detection
CMD_Handle_t	Structure to hold detection parameters and state
CSIG_ADCRegister_t	Structure to hold ADC conversion values from two channels
CSIG_FreqDomain_t	Structure representing a complex number in the frequency domain
CSIG_Handle_t	Handle structure for managing signal processing tasks
CSIG_PolarForm_t	Structure representing the magnitude and phase of a frequency component
CXPT2046CalibrationValues_t	Calibration values for XPT2046
CXPT2046Coordinates_t	Coordinates structure for XPT2046
CXPT2046Handle_t	Handle structure for XPT2046