Add --plot=P/U (plot current calculated via power and voltage) (3077eae6) · Commits · derf / msp430-etv

bin/msp430-etv

+19 −1

Original line number	Diff line number	Diff line
		@@ -150,7 +150,7 @@ def main():
		parser.add_argument(
		"--plot",
		metavar="UNIT",
		choices=["U", "I", "P"],
		choices=["U", "I", "P", "P/U"],
		help="Plot voltage / current / power over time",
		)
		parser.add_argument(
		@@ -391,6 +391,24 @@ def main():
		)
		plt.legend(handles=[energyhandle, meanhandle])
		plt.ylabel("Current [A]")
		elif args.plot == "P/U":
		(energyhandle,) = plt.plot(
		data[1:, 0] * 1e-6,
		power_from_energy / (data[1:, 2] * 1e-3),
		"b-",
		label="I=ΔE/(Δt·U)",
		markersize=1,
		)
		(meanhandle,) = plt.plot(
		data[1:, 0] * 1e-6,
		smooth_power / (data[1:, 2] * 1e-3),
		"r-",
		label="mean(I, 10)",
		markersize=1,
		)
		PELT().get_changepoints((smooth_power / (data[1:, 2] * 1e-3))[:400])
		plt.legend(handles=[energyhandle, meanhandle])
		plt.ylabel("Current [A]")
		else:
		(energyhandle,) = plt.plot(
		data[1:, 0] * 1e-6,