# HG changeset patch
# User Paul Boddie <paul@boddie.org.uk>
# Date 1421714472 -3600
# Node ID afad18e14ce9d4bb4369d94584af800365e73ef0
# Parent  082a1288126973d16c7cc3202474da62ec4af9dd
Added a simple client program for uploading data.

diff -r 082a12881269 -r afad18e14ce9 upload.py
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/upload.py	Tue Jan 20 01:41:12 2015 +0100
@@ -0,0 +1,69 @@
+#!/usr/bin/env python
+
+from serial import Serial
+import sys
+
+def console(initial=None):
+    if initial:
+        s.write(initial)
+
+    try:
+        while 1:
+            s.write(raw_input(s.readline()) + "\n")
+    except EOFError:
+        print "Session closed."
+
+def upload(filename, sector):
+    data = open(filename, "rb").read()
+
+    if len(data) != 0x4000:
+        print >>sys.stderr, "File", filename, "is not", 0x4000, "bytes long."
+        return False
+
+    print >>sys.stderr, "Erasing sector", sector, "..."
+
+    s.write("S%x\n" % sector)
+    resp = s.readline().rstrip("\r\n")
+    if resp != "S":
+        print >>sys.stderr, "Sector %d erase failed: %s" % (sector, resp)
+        return False
+
+    print >>sys.stderr, "Uploading", filename, "to sector", sector, "..."
+
+    i = 0
+    while i < 0x4000:
+        value = ord(data[i])
+        addr = (sector << 14) | i
+        s.write("P%04x%02x\n" % (addr, value))
+        print >>sys.stderr, "P%04x%02x" % (addr, value)
+        resp = s.readline().rstrip("\r\n")
+        if resp != "P":
+            print >>sys.stderr, "Program of location %04x failed: %s" % (addr, resp)
+            return False
+        #s.write("R%04x\n" % addr)
+        #print >>sys.stderr, "R%04x" % addr
+        #readvalue = s.readline().rstrip("\r\n")
+        #if readvalue != ("%X" % value):
+        #    print >>sys.stderr, "Program of location %04x failed: %s read for %s written." % (addr, readvalue, "%X" % value)
+        #    return False
+        i += 1
+
+    return True
+
+if __name__ == "__main__":
+    port = "/dev/ttyUSB0"
+    rate = 115200
+
+    s = Serial(port, rate)
+
+    if "-i" in sys.argv:
+        console()
+    elif len(sys.argv) > 1:
+        s.readline()
+        for sector, filename in enumerate(sys.argv[1:]):
+            upload(filename, sector)
+    else:
+        print >>sys.stderr, sys.argv[0], "-i | <filename>..."
+        sys.exit(1)
+
+# vim: tabstop=4 expandtab shiftwidth=4