STM32F10x DSP Library User Manual

• 1 DSP Library description
  • Table 1. STM32F10x DSP library functions
• 2 PID controller
  • 2.1 Description
    • Figure 1. Block diagram of PID controller
  • 2.2 DSP library functions
    • 2.2.1 DoPID function
      • Table 2. DoPID function
    • 2.2.2 DoFullPID function
      • Table 3. DoFullPID function
    • 2.2.3 PID_stm32 function
      • Table 4. PID_stm32 function
• 3 Complex 16-bit radix-4 FFT
  • 3.1 Description
  • 3.2 DSP library functions
    • 3.2.1 cr4_fft_64_stm32 function
      • Table 5. cr4_fft_64_stm32 function
    • 3.2.2 cr4_fft_256_stm32 function
      • Table 6. cr4_fft_256_stm32 function
    • 3.2.3 cr4_fft_1024_stm32 function
      • Table 7. cr4_fft_1024_stm32 function
  • 3.3 FFT performance improvement
• 4 16-bit FIR filter
  • 4.1 Description
    • Figure 2. Block diagram of an FIR filter of length N
  • 4.2 DSP library function
    • 4.2.1 fir_16by16_stm32 function
      • Table 8. fir_16by16_stm32 function
• 5 16-bit IIR filters
  • 5.1 Description
    • Figure 3. Block diagram of the direct form I of second-order IIR filter
    • Figure 4. Block diagram of the canonical form of a second-order IIR filter
  • 5.2 DSP library functions
    • 5.2.1 iiarma_stm32 function
      • Table 9. iirarma_stm32 function
    • 5.2.2 iir_biquad_stm32 function
      • Table 10. iir_biquad_stm32 function
• 6 STM32F10x DSP library benchmark
  • 6.1 Function code footprint
    • Table 11. STM32F10x DSP library functions code footprint
  • 6.2 Function execution time
    • 6.2.1 PID controller
      • Table 12. PID controller, error computed outside the routine
      • Table 13. PID controller, error computed within the routine
    • 6.2.2 Fast Fourier transform (FFT)
      • Table 14. Complex radix 4, 16-bit FFT, coefficients in Flash memory
      • Table 15. Complex radix 4, 16-bit FFT, coefficients in RAM
    • 6.2.3 FIR filter
      • Table 16. 16-bit, 32-tap FIR filter
    • 6.2.4 IIR filters
      • Table 17. 16-bit canonic form, 4 biquad IIR filter
      • Table 18. 16-bit, 4th-order IIR filter
• 7 STM32F10x DSP demo description
  • Figure 5. FFT of a sine wave with frequency f1 and of a dual sine wave with frequencies f1 and f2, both sampled at a frequency Fs
• 8 Conclusion
• 9 Revision history
  • Table 19. Document revision history