Crate idsp

Modules

• iir
• iir_int

Structs

• Accu
• Cascade
• Chain
• Complex
  A complex number in Cartesian form.
• Lockin
• Lowpass
  Arbitrary order, high dynamic range, wide coefficient range, lowpass filter implementation. DC gain is 1.
• Nyquist
• PLL
  Type-II, sampled phase, discrete time PLL
• RPLL
  Reciprocal PLL.
• Unwrapper
  Overflow unwrapper.

Traits

• ComplexExt
  Complex extension trait offering DSP (fast, good accuracy) functionality.
• Filter
• MulScaled
  Full scale fixed point multiplication.

Functions

• abs
• atan2
  2-argument arctangent function.
• copysign
• cossin
  Compute the cosine and sine of an angle. This is ported from the MiSoC cossin core. https://github.com/m-labs/misoc/blob/master/misoc/cores/cossin.py
• macc
• macc_i32
• overflowing_sub
  Subtract y - x with signed overflow.
• saturating_scale
  Combine high and low i32 into a single downscaled i32, saturating monotonically.

Type Definitions

• Lowpass1
  First order lowpass
• Lowpass2
  Second order lowpass