[oe-commits] org.oe.dev * armmon_xfer: Tool to automate tarnsfer of kernel/ramdisk to compulab

[gilligan commit]

* armmon_xfer: Tool to automate tarnsfer of kernel/ramdisk to compulab 
               cmx-270 boards/ARMmon bootloader for use in scripts

Author: gilligan at openembedded.org
Branch: org.openembedded.dev
Revision: 9e58343e3062e654fd1504be00f174674696b0fa
ViewMTN: http://monotone.openembedded.org/revision/info/9e58343e3062e654fd1504be00f174674696b0fa
Files:
1
contrib/armmon_xfer
contrib/armmon_xfer/armmon_xfer.py
mtn:execute
true
Diffs:

#
# mt diff -r3ff08e5338d5b8bc5c0a7b72b1ba6b8ad32f3498 -r9e58343e3062e654fd1504be00f174674696b0fa
#
# 
# 
# add_dir "contrib/armmon_xfer"
# 
# add_file "contrib/armmon_xfer/armmon_xfer.py"
#  content [92a8b202efc3a1fd444effb72f40176212ee947e]
# 
#   set "contrib/armmon_xfer/armmon_xfer.py"
#  attr "mtn:execute"
# value "true"
# 
============================================================
--- contrib/armmon_xfer/armmon_xfer.py	92a8b202efc3a1fd444effb72f40176212ee947e
+++ contrib/armmon_xfer/armmon_xfer.py	92a8b202efc3a1fd444effb72f40176212ee947e
@@ -0,0 +1,150 @@
+#!/usr/bin/python
+
+# Small utility to upload kernel and/or ramdisk to
+# the compulab board through the ARMmon firmware.
+# Requires pyserial : http://pyserial.sourceforge.net
+# author: Tobias Pflug
+
+import sys, os, serial, getopt, atexit, re
+
+# regular expression to match valid IPv4 addresses
+ipv4_regex = r"\b(25[0-5]|2[0-4][0-9]|[01]?[0-9][0-9]?)\.(25[0-5]|2[0-4][0-9]|[01]?[0-9][0-9]?)\.(25[0-5]|2[0-4][0-9]|[01]?[0-9][0-9]?)\.(25[0-5]|2[0-4][0-9]|[01]?[0-9][0-9]?)\b"
+
+def wait_flash_complete():
+    while 1:
+        data = s.readline()
+        if quiet != 1:
+            print data,
+        if data.split(" ")[0] == "Finished":
+            break
+
+def test_armmon():
+    # write some nonsense to the monitor and
+    # check if armmon replies accordingly
+    s.write("nonsense\n")
+    s.timeout=2
+    s.read(len("nonsense\n")+1)
+    data = s.read(len("Illegal"))
+    if data.split(" ")[0] != "Illegal":
+        sys.exit("Error: ARMmon not responding. Linux running maybe?")
+    s.timeout=None
+    s.flushInput()
+    s.flushOutput()
+
+
+def usage():
+    sys.stderr.write("""USAGE: %s [options] <server ip>
+    armmon_xfer - data upload tool for cmx270/ARMmon
+
+    options:
+    -p, --port=PORT:        serial port, default='/dev/ttyUSB0'
+    -k, --kernel=KERNEL:    upload and flash kernel image KERNEL
+    -r, --ramdisk=RAMDISK:  upload and flash ramdisk image RAMDISK
+    -b, --bootos:           boot Linux
+    -R, --reboot:           reboot cmx270
+    -q, --quiet             be quiet, little output
+    -h, --help:             print this help screen
+
+""" % (sys.argv[0],))
+
+if __name__ == '__main__':
+
+    port = "/dev/ttyUSB0"
+    baud = 38400
+    kernel = None
+    ramdisk = None
+    boot = None
+    reboot = None
+    quiet = None
+    tftp_ip = None
+
+    if len(sys.argv) < 2:
+        usage()
+        sys.exit(0)
+
+    # parse command line
+
+    try:
+        opts, args = getopt.getopt(sys.argv[1:],
+                "p:k:r:bRhq",
+                ["port=", "kernel=","ramdisk=","bootos","reboot","help","quiet"]
+                )
+    except getopt.GetoptError:
+        usage()
+        sys.exit(2)
+
+    for o, a in opts:
+        if o in ("-h","--help"):
+            usage()
+            sys.exit()
+        elif o in ("-k","--kernel"):
+            kernel = a
+        elif o in ("-r","--ramdisk"):
+            ramdisk = a
+        elif o in ("-b","--bootos"):
+            boot = 1
+        elif o in ("-R","--reboot"):
+            reboot = 1
+        elif o in ("-p","--port"):
+            port = o
+        elif o in ("-q","--quiet"):
+            quiet = 1
+
+    # check for arguments and validate IP address
+    # when required by commands
+    if len(args)>0 and re.match(ipv4_regex,args[0]):
+        tftp_ip = args[0]
+    else: 
+        if kernel or ramdisk:
+            sys.exit("Error: invalid IP address!")
+
+    try:
+         s = serial.Serial('/dev/ttyUSB0',38400)
+    except:
+         sys.stderr.write("Error: Could not open port: %s\n" % (port))
+         sys.exit(1)
+
+    # test if armmon is responding on bogus input
+    test_armmon()
+
+    # carry out commands     
+
+    if reboot:
+        print "Rebooting compulab ..."
+        s.write("reboot\n")
+        s.write("y\n")
+        s.write("y\n")
+        s.close()
+        sys.exit(0)
+
+    if kernel:
+        print "Downloading kernel ..."
+        cmd = "download kernel tftp %s %s\n" % (kernel,tftp_ip)
+        s.write(cmd)
+        data = s.readline()
+        data = s.readline()
+
+        print "Flashing kernel ..."
+        cmd = "flash kernel\n"
+        s.write(cmd)
+        wait_flash_complete()
+
+
+    if ramdisk:
+        print "Downloading ramdisk ..."
+        cmd = "download ramdisk tftp %s %s\n" % (ramdisk,tftp_ip)
+        s.write(cmd)
+        s.readline()
+        s.readline()
+
+        print "Flashing ramdisk ..."
+        cmd = "flash ramdisk\n"
+        s.write(cmd)
+        wait_flash_complete()
+
+    if boot:
+        print "Booting Linux ..."
+        s.write("bootos\n")
+
+    s.close()
+    sys.exit(0)