def update(self, clk, xin):
""" Inputs in phase (radians)
"""
if is_edge_phase(clk, self.clk_last) or self.ignore_clk:
new_count = np.floor(xin / (2 * np.pi))
self.out = -new_count + self.count + self.modulus
self.count = new_count
self.clk_last = clk
return self.out
def update(self, clk, xin):
""" Inputs in phase (radians)
"""
if is_edge_phase(clk, self.clk_last):
self.out = round(self.tdc_steps * (clk - xin) / (2 * np.pi))
self.out = (self.out + self.tdc_steps /
2) % self.tdc_steps - self.tdc_steps / 2
self.clk_last = clk
return self.out
def update(self, clk, xin):
""" Inputs in phase (radians)
"""
if is_edge_phase(clk, self.clk_last): # or self.ignore_clk:
xin /= 2 * np.pi
xin -= np.floor(xin)
# error = (clk-xin)
if xin > self.cyc_jit and xin <= 0.5: self.out = -1.0
elif xin < 1 - self.cyc_jit and xin > 0.5: self.out = +1.0
else: self.out = np.random.choice((-1.0, 1.0))
self.clk_last = clk
return self.out
def update(self, xin, clk):
""" args:
xin - filter input
clk - clk of filter
returns:
filtered version of input
"""
if is_edge_phase(clk, self.clk_last) or self.ignore_clk:
ynew = self.b0 * xin + self.b1 * self.x1 + self.y1
if self.quantize:
ynew = fixed_point(ynew, self.out_bits, self.frac_bits)
self.x1 = xin
self.y1 = ynew
self.clk_last = clk
if self.y1 < 0: return 0
elif self.y1 > self.max_int: return self.max_int
else: return np.floor(self.y1)