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#!/usr/bin/env python3
#
# Xytronic LF-1600
# Debug interface tool
#
# Copyright (c) 2015-2016 Michael Buesch <m@bues.ch>
#
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; either version 2 of the License, or
# (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License along
# with this program; if not, write to the Free Software Foundation, Inc.,
# 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
#
import sys
import serial
if len(sys.argv) != 3 or "-h" in sys.argv or "--help" in sys.argv:
print("Usage: dumpcurves.py /dev/ttyUSB0 output.csv")
print("")
print("/dev/ttyUSB0 is the serial device where the data is read from.")
print("output.csv is the output file.")
sys.exit(1)
inDev = sys.argv[1]
outFile = sys.argv[2]
s = serial.Serial(port = inDev, baudrate = 9600, bytesize = 8,
parity = serial.PARITY_NONE, stopbits = 2)
outFd = open(outFile, "wb")
outFd.write(b"time (ticks);current real r (A);current used r (A);current y (A);"
b"temp r (*C);temp y1 (*C);temp y2 (A);"
b"measured current (ADC);filtered current (ADC);"
b"measured temp (ADC);"
b"boost mode;"
b"calib current percent\r\n")
def reset():
global outLines
global prevTimeStamp
global val_currentRealR
global val_currentUsedR
global val_currentY
global val_tempR
global val_tempY1
global val_tempY2
global val_measCurr
global val_filtCurr
global val_measTemp
global val_boostMode;
global val_calCurrPercent
print("RESET")
outLines = []
prevTimeStamp = None
val_currentRealR = 0.0
val_currentUsedR = 0.0
val_currentY = 0.0
val_tempR = 0.0
val_tempY1 = 0.0
val_tempY2 = 0.0
val_measCurr = 0
val_filtCurr = 0
val_measTemp = 0
val_boostMode = 0
val_calCurrPercent = 0
def putLine(timeStamp):
csvLine = "%d;%f;%f;%f;%f;%f;%f;%d;%d;%d;%d;%d\r\n" % (
timeStamp,
val_currentRealR,
val_currentUsedR,
val_currentY,
val_tempR,
val_tempY1,
val_tempY2,
val_measCurr,
val_filtCurr,
val_measTemp,
val_boostMode,
val_calCurrPercent,
)
outLines.append(csvLine)
def parseInt(valStr, valIdent):
try:
val = int(valStr, 10)
except ValueError:
print("Invalid %s" % valIdent)
return 0
return val
def parseFixpt(valStr, valIdent):
val = parseInt(valStr, valIdent)
val = float(val) / (1 << 6)
return val
reset()
try:
while 1:
line = s.readline()
line = line.decode("utf-8", "ignore").strip()
if not line:
continue
if line == "st":
reset()
continue
idx = line.find(':')
if idx < 0:
print("Time stamp not found")
continue
try:
timeStamp = int(line[ : idx], 16)
except ValueError:
print("Invalid time stamp format")
continue
line = line[idx + 1 : ].strip()
elems = line.split()
if len(elems) != 2:
print("Unknown format: %s" % line)
continue
if elems[0] == "cr1":
val_currentRealR = parseFixpt(elems[1], "cr1")
elif elems[0] == "cr2":
val_currentUsedR = parseFixpt(elems[1], "cr2")
elif elems[0] == "cy":
val_currentY = parseFixpt(elems[1], "cy")
elif elems[0] == "tr":
val_tempR = parseFixpt(elems[1], "tr")
elif elems[0] == "ty1":
val_tempY1 = parseFixpt(elems[1], "ty1")
elif elems[0] == "ty2":
val_tempY2 = parseFixpt(elems[1], "ty2")
elif elems[0] == "tb":
val_boostMode = parseInt(elems[1], "tb")
elif elems[0] == "mc":
val_measCurr = parseInt(elems[1], "mc")
elif elems[0] == "fc":
val_filtCurr = parseInt(elems[1], "fc")
elif elems[0] == "mt":
val_measTemp = parseInt(elems[1], "mt")
elif elems[0] == "cc":
val_calCurrPercent = parseInt(elems[1], "cc")
else:
print("Unknown elem: %s" % elems[0])
continue
# Fill the missing lines with copies of the previous.
if 0:
if prevTimeStamp is not None:
t = (prevTimeStamp + 1) & 0xFFFF
while t != timeStamp:
putLine(t)
t = (t + 1) & 0xFFFF
prevTimeStamp = timeStamp
# Put the current line into the CSV.
putLine(timeStamp)
print("temp-r: %.02f current-y: %.02f current-r: %.02f" % (
val_tempR,
val_currentY,
val_currentUsedR,
))
except KeyboardInterrupt as e:
pass
outFd.write("".join(outLines).encode("utf-8"))
outFd.close()
sys.exit(0)
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