sendByte((baudrate >> 16) & 0xFF)
sendByte((baudrate >> 24) & 0xFF)
+class FlashSequence(object):
+ def __init__(self, address, data):
+ self.address = address
+ self.data = data
+
+# list of all our address/data pairs to flash
+flashseqs = []
+
+# check command line arguments
+if len(sys.argv) != 2:
+ print "Usage: " + sys.argv[0] + " [mhx-file]"
+ sys.exit(1)
+
+# read in data from mhx-file before starting
+try:
+ fp = open(sys.argv[1], "r")
+except IOError:
+ print sys.argv[0] + ": Error - couldn't open file " + sys.argv[1] + "!"
+ sys.exit(1)
+
+linecount = 0
+for line in fp:
+ linecount += 1
+ # get rid of newline characters
+ line = line.strip()
+
+ # we're only interested in S2 (data sequence with 3 address bytes) records by now
+ if line[0:2] == "S2":
+ byte_count = int(line[2:4], 16)
+ # just to get sure, check if byte count field is valid
+ if (len(line)-4) != (byte_count*2):
+ print sys.argv[0] + ": Warning - inavlid byte count field in " + \
+ sys.argv[1] + ":" + str(linecount) + ", skipping line!"
+ continue
+
+ # address and checksum bytes are not needed
+ byte_count -= 4
+ address = int(line[4:10], 16)
+ datastr = line[10:10+byte_count*2]
+
+ # convert data hex-byte-string to real byte data list
+ data = []
+ for i in range(0, len(datastr)/2):
+ data.append(int(datastr[2*i:2*i+2], 16))
+
+ # add flash sequence to our list
+ flashseqs.append(FlashSequence(address, data))
+
+print "The following flash sequences have been read in:"
+for seq in flashseqs:
+ print hex(seq.address) + ":", seq.data
+
+
print "Initializing serial port..."
tty = SerialPort(DEVICE, 100, INIT_BAUDRATE)
pass
print "OK, trying to set baudrate..."
-
# set baudrate
cmdBAUDRATE(REAL_BAUDRATE)
tty = SerialPort(DEVICE, 100, REAL_BAUDRATE)
-"""
-print
-sendByte(0x01)
-print recvByte()
-sendByte(0x02)
-print recvByte()
+
+# let the fun begin!
+for seq in flashseqs:
+ if(seq.address <= 0x40000):
+ addr = seq.address
+ else:
+ continue
+ print "RAMing", len(seq.data), "bytes at address", hex(addr)
+ cmdWRITE(addr, len(seq.data), seq.data)
+
+cmdCALL(0x30000);
sys.exit(0)
-"""
+
+
+# some tests here.......
"""
# execute (existing) program in ram
cmdCALL(0x00033ffc)
print
"""
-
-"""
-S006000066756AB4
-S20E0F40009B000D4ECFF11601E0FFF6
-S214148000FFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF67
-S804000000FB
-
-NOP = 0x9fa0
"""
# write some data in the iram and try to execute it
-# ATTENTION: before running this, run a program on the board (e.g. flashdemo).
-# the bytecode will be executed after copied into iram, however it won't stop
-# and executes the stuff after it in the iram. after a powerreset this can be
-# randomcrap and this could be very dangerous! so pay attention please
-data_wr =[0x9B,0x00,0x0D,0x4e,0xcf,0xf1,0x16,0x01,0xe0,0xff,0xf6,0x9f,0xa0,0x9f,0xa0,0x9f,0xa0,0x9f,0xa0,0xe0,
- 0xcb,0x9f,0xa0,0x9f,0xa0,0x9f,0xa0,0x9f,0xa0,0x9f,0xa0,0x9f,0xa0,0x9f,0xa0,0x9f,0xa0,0x9f,0xa0,0x9f,
- 0xa0,0x9f,0xa0,0x9f,0xa0,0x9f,0xa0,0x9f,0xa0,0x9f,0xa0,0x9f,0xa0,0x9f,0xa0,0x9f,0xa0]
+data_wr =[
+ 0x9B,0x00,
+ 0x0D,0x4e,
+ 0xcf,0xf1,
+ 0x16,0x01,
+ 0x9b,0x05,
+ 0x04,0xc7,
+ 0xc1,0x06,
+ 0x16,0x56,
+ 0xe0,0xfb, #branch
+ 0x9f,0xa0,0x9f,0xa0,0x9f,0xa0, #nop
+ 0x9f,0xa0,0x9f,0xa0,0x9f,0xa0,
+ 0x9f,0xa0,0x9f,0xa0,0x9f,0xa0,
+ 0x9f,0xa0,0x9f,0xa0,0x9f,0xa0,
+ 0x9f,0xa0,0x9f,0xa0,0x9f,0xa0,
+ 0x9f,0xa0,0x9f,0xa0,0x9f,0xa0,
+ 0x9f,0xa0,0x9f,0xa0,0x9f,0xa0]
print "Writing", data_wr, "to the IRAM..."
cmdWRITE(0x00030000, len(data_wr), data_wr)
print "Received Checksum:", last_checksum
print
cmdCALL(0x00030000)
+"""