3.11.5 Q15_SCALE

C

#define   Q15_SCALE(value)         (int16_t)( value * (float32_t)Q15_SCALE_FACTOR)

Summary

Convert the given value into the Q15 fixed-point format .

Description

The macro is used to convert the given value into the Q15 fixed-point format by multiplying it with a predefined scaling factor, Q15_SCALE_FACTOR($2^{15}$).

Example

float32_t input_value = 0.50f;  // 
int16_t scaled_value = Q15_SCALE(input_value);  // Scaled result  
    

Remarks

None