4q | Fp Pf Data Type

return 0;

// Convert floating-point to Q4.12 q4_12_t float_to_q4_12(float x) return (q4_12_t)(x * (1 << 12)); 4q fp pf data type

#include <stdio.h> #include <stdint.h> // Define a Q4.12 fixed-point type (16 bits total) typedef int16_t q4_12_t; return 0; // Convert floating-point to Q4

Check your compiler’s fixed-point.h or stm32_dsp.h header file. You’ll likely find #define Q4_12 or similar. Have you encountered a different interpretation of "4q fp pf"? Let me know in the comments — datasheets can be wild. 4q fp pf data type