add conversion efficiency plot (3efdbef1) · Commits · derf / korad-logger

bin/korad-logger

+29 −3

Original line number	Diff line number	Diff line
		@@ -451,7 +451,7 @@ def measure_data(
		return output


		def plot_data(data, mode):
		def plot_data(data, mode, output_power=None):
		import matplotlib.pyplot as plt

		plt.style.use(matplotlib_theme)
		@@ -517,6 +517,26 @@ def plot_data(data, mode):
		plt.xlabel("Current [A]")
		plt.ylabel("Power [W]")

		elif mode == "Up" and output_power:
		plt.plot(
		data[:, 1],
		output_power * 100 / (data[:, 1] * data[:, 2]),
		"bs",
		markersize=2,
		)
		plt.xlabel("Voltage [V]")
		plt.ylabel("Conversion Efficiency [%]")

		elif mode == "Ip" and output_power:
		plt.plot(
		data[:, 2],
		output_power * 100 / (data[:, 1] * data[:, 2]),
		"bs",
		markersize=2,
		)
		plt.xlabel("Current [A]")
		plt.ylabel("Conversion Efficiency [%]")

		plt.show()


		@@ -685,9 +705,15 @@ def main():
		parser.add_argument(
		"--plot",
		metavar="UNIT",
		choices=["U", "I", "P", "UI", "UP", "IU", "IP"],
		choices=["U", "I", "P", "UI", "UP", "Up", "IU", "IP", "Ip"],
		help="Plot voltage / current / power over time or voltage vs current / current vs voltage",
		)
		parser.add_argument(
		"--converter-output-power",
		type=int,
		metavar="WATTS",
		help="Output power for conversion efficiency calculation (--plot=Up / --plot=Ip)",
		)
		parser.add_argument(
		"--dark-mode", action="store_true", help="Show plots on a dark background"
		)
		@@ -740,7 +766,7 @@ def main():
		data = parse_data(log_data, skip=args.skip, limit=args.limit)

		if args.plot:
		plot_data(data, args.plot)
		plot_data(data, args.plot, args.converter_output_power)


		if __name__ == "__main__":