Recipe 577796 revision 2

Diff to Previous Revision

--- revision 1 2011-07-17 15:19:23
+++ revision 2 2011-07-31 16:14:48
@@ -8,7 +8,8 @@
 # analogue input for use as a Data Logger using Python in text mode only. The accuarcy
 # is 8 bit depth but the display is only 4 bit depth due to the limitations of text mode.
 #
-# This is a feeder upload only, it is no where near completion.
+# This is the second feeder upload, it is nowhere near completion. ANY future uploads
+# will no longer be feeders.
 #
 # This code defaults to DEMO mode but the crucial Arduino code is added and just
 # requires the line "demo=0" to access the board and the correct device number to
@@ -17,6 +18,10 @@
 # changing the Linux device type and number and let me know how you get on with
 # it, then thanks.
 #
+# It now auto-saves a file after every 64 plots in CSV format and tested on MS Works
+# and Open Office Org, read the code for more information. To disable the auto-save feature
+# just set it to, "autosave=0"...
+#
 # The test *.pde file for the Arduino Diecimila Board is here:-
 #
 # http://code.activestate.com/recipes/577625-arduino-diecimila-board-access-inside-winuae-demo/?in=user-4177147
@@ -30,7 +35,7 @@
 # IMPORTANT NOTE:- The Linux platforms assume running Python from a root default Terminal in NONE DEMO mode.
 #
 # (Version set in Classic AMIGA format... ;o)
-# $VER: DataLogger.py_Version_0.00.10_(C)2011_B.Walker_G0LCU.
+# $VER: DataLogger.py_Version_0.00.20_(C)2011_B.Walker_G0LCU.
 
 # Imports required so far...
 import sys
@@ -39,165 +44,193 @@
 import time
 
 def main():
-   # Deliberately set all parameters as global, (my choice!).
-   global LoggerScreen
-   global MyFiles
-   global savefile
-   global plot
-   global position
-   global horiz
-   global demo
-   global pause
-   global pausestring
-   global serialport
-   global mybyte
-   global grab
-   # global n
-   # initial parameter settings...
-   LoggerScreen="(C)2011, B.Walker, G0LCU."
-   MyFiles="Data_Logger-Transient_Recorder."
-   savefile="/tmp/LoggerStartup.txt"
-   # Default DEMO mode, set to 0 for REAL mode.
-   demo=1
-   plot=0
-   horiz=1
-   position=79
-   pause=1
-   pausestring="1"
-   # The latest device name for current Arduino variants, (01-01-2011).
-   serialport="/dev/ttyACM0"
-   mybyte="?"
-   grab=255
-   # n=0
-
-   # Determine AMIGA, Windows-(32 bit), WinUAE or Linux for serial access.
-   if sys.platform=="amiga":
-      # The AMIGA serial port may need to be changed to 1200 baud, no parity,
-      # 8 bit data and 1 stop bit, this applies to WinUAE too.
-      serialport="SER:"
-   if sys.platform=="linux2":
-      # Assumed running from root for the time being.
-      # /dev/ttyUSB0 the device on my test systems, the Arduino Diecimila Board.
-      # It may need to be changed for your needs.
-      serialport="/dev/ttyUSB0"
-      os.system("chmod 666 "+serialport)
-      os.system("stty -F "+serialport+" 1200")
-      os.system("stty -F "+serialport+" raw")
-   if sys.platform=="win32":
-      # This is the COM port number generated on a test system.
-      # It may need to be changed for your needs.
-      serialport="COM3:"
-      os.system("MODE "+serialport+" BAUD=1200 PARITY=N DATA=8 STOP=1 to=on")
-
-   # A clear screen function for the platforms shown.
-   def clrscn():
-      if sys.platform=="amiga": print "\f",
-      if sys.platform=="linux2": print os.system("clear"),chr(13),"  ",chr(13),
-      if sys.platform=="win32": print os.system("CLS"),chr(13),"  ",chr(13),
-
-   # Save the initial screen for future use function.
-   def savescreen():
-      global MyFiles
-      global savefile
-      global LoggerScreen
-      if sys.platform=="amiga": savefile="S:LoggerStartup.txt"
-      if sys.platform=="linux2": savefile="/tmp/LoggerStartup.txt"
-      if sys.platform=="win32": savefile="C:\\Windows\\Temp\\LoggerStartup.txt"
-      MyFiles=open(savefile,"wb+")
-      MyFiles.write(LoggerScreen)
-      MyFiles.close()
-
-   # This function does the plotting and others things not implemented yet.
-   def doplot():
-      global horiz
-      global position
-      global savefile
-      global MyFiles
-      global LoggerScreen
-      global demo
-      global pause
-      global pausestring
-      global plot
-      global mybyte
-      global serialport
-      global grab
-      horiz=1
-      while horiz<=64:
-         # Generate a byte as though grabbed from Arduino.
-         if demo==1: grab=int(random.random()*256)
-         # Generate a byte from Arduino.
-         if demo==0:
-            MyFiles=open(serialport,"rb",2)
-            mybyte=str(MyFiles.read(1))
-            MyFiles.close()
-            # Convert to a decimal value.
-            grab=ord(mybyte)
-         # Convert to 4 bit depth.
-         plot=int(grab/16)
-         # Invert to suit the text display window.
-         plot=15-plot
-         if plot<=0: plot=0
-         if plot>=15: plot=15
-         # Set up the plot position per grab.
-         position=79+horiz+plot*79
-         MyFiles=open(savefile,"rb+")
-         MyFiles.seek(position)
-         MyFiles.write("o")
-         # Now get the whole array.
-         MyFiles.seek(0)
-         LoggerScreen=MyFiles.read(1659)
-         MyFiles.close()
-         # End of screen array update per plot.
-         # Wait for a period for none AMIGA platforms.
-         if sys.platform!="amiga": time.sleep(pause)
-         # time.sleep() does NOT work on an A1200, WinUAE and E-UAE so pause......
-         if sys.platform=="amiga":
-            pausestring=str(pause)
-            os.system("C:Wait "+pausestring)
-            # ......and then do a clear screen.
-            print "\f",
-         # Do a clear screen for other platforms.
-         if sys.platform=="linux2": print os.system("clear"),chr(13),"  ",chr(13),
-         if sys.platform=="win32": print os.system("CLS"),chr(13),"  ",chr(13),
-         # Now print the whole on screen...
-         print LoggerScreen+"Real 8 bit decimal value is "+str(grab)+"; displayed 4 bit decimal value is "+str(15-plot)+"..."
-         horiz=horiz+1
-
-   # This is the main running code.
-   while 1:
-      # Set up DataLogger screen, use "\r\n" to suit Windows, "\r" is *ignored* on Linux and AMIGA_OS.
-      # This is for the default Command Prompt, (Windows), Terminal, (Linux) and CLI, (AMIGA), modes.
-      LoggerScreen="+-------+-------+-------+-------+-------+-------+-------+--------+ +--------+\r\n"
-      LoggerScreen=LoggerScreen+"|       |       |       |       +       |       |       |        | |>(R)UN  |\r\n"
-      LoggerScreen=LoggerScreen+"|       |       |       |       +       |       |       |        | +--------+\r\n"
-      LoggerScreen=LoggerScreen+"|       |       |       |       +       |       |       |        | +--------+\r\n"
-      LoggerScreen=LoggerScreen+"+-------+-------+-------+-------+-------+-------+-------+--------+ | Ctrl-C |\r\n"
-      LoggerScreen=LoggerScreen+"|       |       |       |       +       |       |       |        | +--------+\r\n"
-      LoggerScreen=LoggerScreen+"|       |       |       |       +       |       |       |        | +--------+\r\n"
-      LoggerScreen=LoggerScreen+"|       |       |       |       +       |       |       |        | | (K)B   |\r\n"
-      LoggerScreen=LoggerScreen+"+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-++ +--------+\r\n"
-      LoggerScreen=LoggerScreen+"|       |       |       |       +       |       |       |        | +--------+\r\n"
-      LoggerScreen=LoggerScreen+"|       |       |       |       +       |       |       |        | | (S)LOW |\r\n"
-      LoggerScreen=LoggerScreen+"|       |       |       |       +       |       |       |        | +---------\r\n"
-      LoggerScreen=LoggerScreen+"+-------+-------+-------+-------+-------+-------+-------+--------+ +--------+\r\n"
-      LoggerScreen=LoggerScreen+"|       |       |       |       +       |       |       |        | | 1(0)S  |\r\n"
-      LoggerScreen=LoggerScreen+"|       |       |       |       +       |       |       |        | +--------+\r\n"
-      LoggerScreen=LoggerScreen+"|       |       |       |       +       |       |       |        | +--------+\r\n"
-      LoggerScreen=LoggerScreen+"|       |       |       |       +       |       |       |        | |>(1)S   |\r\n"
-      LoggerScreen=LoggerScreen+"+-------+-------+-------+-------+-------+-------+-------+--------+ +--------+\r\n"
-      LoggerScreen=LoggerScreen+"+----------------------------------------------------------------+ +--------+\r\n"
-      LoggerScreen=LoggerScreen+"| Status:- Running in DEMO mode.                                 | | (U)NCAL|\r\n"
-      LoggerScreen=LoggerScreen+"+----------------------------------------------------------------+ +--------+\r\n"
-
-      # Save the startscreen to write to.
-      savescreen()
-      # Clear the screen every 64 plots and restart.
-      clrscn()
-      print LoggerScreen
-      # Grab the 64 plots.
-      doplot()
+	# Deliberately set all parameters as global, (my choice!).
+	global LoggerScreen
+	global MyFiles
+	global savefile
+	global plot
+	global position
+	global horiz
+	global demo
+	global pause
+	global pausestring
+	global serialport
+	global mybyte
+	global grab
+	global csvdata
+	global autosave
+	global filestr
+	# global n
+	# initial parameter settings...
+	LoggerScreen="(C)2011, B.Walker, G0LCU."
+	MyFiles="Data_Logger-Transient_Recorder."
+	savefile="/tmp/LoggerStartup.txt"
+	# Default DEMO mode, set to 0 for REAL mode.
+	demo=1
+	plot=0
+	horiz=1
+	position=79
+	pause=1
+	pausestring="1"
+	# The latest Linux device name for current Arduino variants, (01-01-2011).
+	serialport="/dev/ttyACM0"
+	mybyte="?"
+	grab=255
+	csvdata="?"
+	# Temporarily set to autosave enabled for testing, set to 0 to disable.
+	autosave=1
+	filestr="0000000000.CSV"
+	# n=0
+
+	# Determine AMIGA, Windows-(32 bit), WinUAE or Linux for serial access.
+	if sys.platform=="amiga":
+		# The AMIGA serial port may need to be changed to 1200 baud, no parity,
+		# 8 bit data and 1 stop bit, this applies to WinUAE too.
+		serialport="SER:"
+	if sys.platform=="linux2":
+		# Assumed running from root for the time being.
+		# /dev/ttyUSB0 the device on my test systems, the Arduino Diecimila Board.
+		# It may need to be changed for your needs.
+		serialport="/dev/ttyUSB0"
+		os.system("chmod 666 "+serialport)
+		os.system("stty -F "+serialport+" 1200")
+		os.system("stty -F "+serialport+" raw")
+	if sys.platform=="win32":
+		# This is the COM port number generated on a test system.
+		# It may need to be changed for your needs.
+		serialport="COM3:"
+		os.system("MODE "+serialport+" BAUD=1200 PARITY=N DATA=8 STOP=1 to=on")
+
+	# A clear screen function for the platforms shown.
+	def clrscn():
+		if sys.platform=="amiga": print "\f",
+		if sys.platform=="linux2": print os.system("clear"),chr(13),"  ",chr(13),
+		if sys.platform=="win32": print os.system("CLS"),chr(13),"  ",chr(13),
+
+	# Save the initial screen for future use function.
+	def savescreen():
+		global MyFiles
+		global savefile
+		global LoggerScreen
+		if sys.platform=="amiga": savefile="S:LoggerStartup.txt"
+		if sys.platform=="linux2": savefile="/tmp/LoggerStartup.txt"
+		if sys.platform=="win32": savefile="C:\\Windows\\Temp\\LoggerStartup.txt"
+		MyFiles=open(savefile,"wb+")
+		MyFiles.write(LoggerScreen)
+		MyFiles.close()
+
+	# This function does the plotting and generates a text variable in CSV format.
+	# It also sets the timebase values as required, not implimented yet.
+	def doplot():
+		global horiz
+		global position
+		global savefile
+		global MyFiles
+		global LoggerScreen
+		global demo
+		global pause
+		global pausestring
+		global plot
+		global mybyte
+		global serialport
+		global grab
+		global csvdata
+		csvdata=""
+		horiz=1
+		while horiz<=64:
+			# Generate a byte as though grabbed from Arduino.
+			if demo==1: grab=int(random.random()*256)
+			# Generate a byte from Arduino.
+			if demo==0:
+				MyFiles=open(serialport,"rb",2)
+				mybyte=str(MyFiles.read(1))
+				MyFiles.close()
+				# Convert to a decimal value, assume 8 bit integer.
+				grab=ord(mybyte)
+			# Generate the 64 byte CSV string on the fly...
+			csvdata=csvdata+str(grab)+"\r\n"
+			# Convert to 4 bit depth.
+			plot=int(grab/16)
+			# Invert to suit the text display window.
+			plot=15-plot
+			if plot<=0: plot=0
+			if plot>=15: plot=15
+			# Set up the plot position per grab.
+			position=79+horiz+plot*79
+			MyFiles=open(savefile,"rb+")
+			MyFiles.seek(position)
+			MyFiles.write("o")
+			# Now get the whole array.
+			MyFiles.seek(0)
+			LoggerScreen=MyFiles.read(1659)
+			MyFiles.close()
+			# End of screen array update per plot.
+			# Wait for a period for none AMIGA platforms.
+			if sys.platform!="amiga": time.sleep(pause)
+			# time.sleep() does NOT work on an A1200, WinUAE and E-UAE so pause......
+			if sys.platform=="amiga":
+				pausestring=str(pause)
+				os.system("C:Wait "+pausestring)
+				# ......and then do a clear screen.
+				print "\f",
+			# Do a clear screen for other platforms.
+			if sys.platform=="linux2": print os.system("clear"),chr(13),"  ",chr(13),
+			if sys.platform=="win32": print os.system("CLS"),chr(13),"  ",chr(13),
+			# Now print the whole on screen...
+			print LoggerScreen
+			horiz=horiz+1
+
+	# This function saves a file to disk every 64 plots in CSV format.
+	def datafile():
+		global MyFiles
+		global filestr
+		global savefile
+		filestr=str(int(time.time()))+".CSV"
+		if sys.platform=="amiga": savefile="S:"
+		if sys.platform=="linux2": savefile="/tmp/"
+		if sys.platform=="win32": savefile="C:\\Windows\\Temp\\"
+		savefile=savefile+filestr
+		MyFiles=open(savefile,"wb+")
+		MyFiles.write(csvdata)
+		MyFiles.close()
+
+	# This is the main running code.
+	while 1:
+		# Set up DataLogger screen, use "\r\n" to suit Windows, "\r" is *ignored* on Linux and AMIGA_OS.
+		# This is for the default Command Prompt, (Windows), Terminal, (Linux) and CLI, (AMIGA), modes.
+		LoggerScreen="+-------+-------+-------+-------+-------+-------+-------+--------+ +--------+\r\n"
+		LoggerScreen=LoggerScreen+"|       |       |       |       +       |       |       |        | |>(R)UN  |\r\n"
+		LoggerScreen=LoggerScreen+"|       |       |       |       +       |       |       |        | +--------+\r\n"
+		LoggerScreen=LoggerScreen+"|       |       |       |       +       |       |       |        | +--------+\r\n"
+		LoggerScreen=LoggerScreen+"+-------+-------+-------+-------+-------+-------+-------+--------+ | Ctrl-C |\r\n"
+		LoggerScreen=LoggerScreen+"|       |       |       |       +       |       |       |        | +--------+\r\n"
+		LoggerScreen=LoggerScreen+"|       |       |       |       +       |       |       |        | +--------+\r\n"
+		LoggerScreen=LoggerScreen+"|       |       |       |       +       |       |       |        | | (K)B   |\r\n"
+		LoggerScreen=LoggerScreen+"+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-++ +--------+\r\n"
+		LoggerScreen=LoggerScreen+"|       |       |       |       +       |       |       |        | +--------+\r\n"
+		LoggerScreen=LoggerScreen+"|       |       |       |       +       |       |       |        | | (S)LOW |\r\n"
+		LoggerScreen=LoggerScreen+"|       |       |       |       +       |       |       |        | +---------\r\n"
+		LoggerScreen=LoggerScreen+"+-------+-------+-------+-------+-------+-------+-------+--------+ +--------+\r\n"
+		LoggerScreen=LoggerScreen+"|       |       |       |       +       |       |       |        | | 1(0)S  |\r\n"
+		LoggerScreen=LoggerScreen+"|       |       |       |       +       |       |       |        | +--------+\r\n"
+		LoggerScreen=LoggerScreen+"|       |       |       |       +       |       |       |        | +--------+\r\n"
+		LoggerScreen=LoggerScreen+"|       |       |       |       +       |       |       |        | |>(1)S   |\r\n"
+		LoggerScreen=LoggerScreen+"+-------+-------+-------+-------+-------+-------+-------+--------+ +--------+\r\n"
+		LoggerScreen=LoggerScreen+"+----------------------------------------------------------------+ +--------+\r\n"
+		LoggerScreen=LoggerScreen+"| Status:- Running in DEMO mode.                                 | | (U)NCAL|\r\n"
+		LoggerScreen=LoggerScreen+"+----------------------------------------------------------------+ +--------+\r\n"
+
+		# Save the startscreen to write to.
+		savescreen()
+		# Clear the screen every 64 plots and restart.
+		clrscn()
+		print LoggerScreen
+		# Grab the 64 plots.
+		doplot()
+		# Automatically save to disk when autosave is set to 1.
+		if autosave==1: datafile()
 
 main()
 
 # DataLogger program end.
-# Enjoy finding simple solutions to often very difficult problems. 
+# Enjoy finding simple solutions to often very difficult problems.