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Публично отправил Гость в 20:24 22-02-2012 с типом python и размером 1.94 Kb
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#!/usr/bin/python
# -*- coding: utf-8 -*-
 
import os
import time
import serial
 
DEVICE_FILE = "/dev/ttyUSB3"
TIMEOUT     = 15.0           # In seconds
PROMPT      = "SKY8860 # "
FW_FILE     = "test.bin"
MEM_ADDR    = 0x00480000
 
ECHO = False
 
BUF_SZ = 64
 
#def readLine(f):
#    l = f.readline()
#    print "dev >", l[0:-1]
#    return l
 
def writeLine(f, l):
    f.write(l + "\n")
    f.flush()
    if ECHO:
        print "[DEV] <", l
 
def waitForPrompt(dev):
    data = ""
    start = time.clock()
    while True:
        b = dev.read(BUF_SZ)
        if not b:
            if (time.clock() - start) > TIMEOUT:
                return False
        else:
            if ECHO:
                print "[DEV] >", repr(b)
 
            data += b
            if PROMPT in data:
                return True
 
def main():
    tty = serial.Serial(DEVICE_FILE, baudrate = 115200, timeout = 0, xonxoff = True, rtscts = False, dsrdtr = False)
 
    # Wait for promt before start executing any commands.
    waitForPrompt(tty)
    # At this time it isn't strictly required.
 
    fw_sz = os.path.getsize(FW_FILE)
    f = open(FW_FILE, "rb")
 
    old_progress = -1
    written = 0
    offset = MEM_ADDR
    start = time.clock()
    old_spd = start
    while written != fw_sz:
        s = f.read(1)
        if not s:
            raise Exception("Unexpected end of file")
 
        cmd = "mw %08X %02X" % (offset, ord(s[0]))
        writeLine(tty, cmd)
 
        written += 1
        offset += 1
 
        progress = int(float(written) / fw_sz * 100.0)
        if progress != old_progress:
            print "!!! PROGRESS: %03d%% !!!" % progress
        old_progress = progress
 
        cur_time = time.clock()
        if cur_time - old_spd >= 1.0:
            old_spd = cur_time
            speed = int(written / (cur_time - start))
            print "!!! SPEED: %d bytes/s !!!" % speed
 
        waitForPrompt(tty)
 
main()
 

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Исходный текст

#!/usr/bin/python
# -*- coding: utf-8 -*-

import os
import time
import serial

DEVICE_FILE = "/dev/ttyUSB3"
TIMEOUT     = 15.0           # In seconds
PROMPT      = "SKY8860 # "
FW_FILE     = "test.bin"
MEM_ADDR    = 0x00480000

ECHO = False

BUF_SZ = 64

#def readLine(f):
#    l = f.readline()
#    print "dev >", l[0:-1]
#    return l

def writeLine(f, l):
    f.write(l + "\n")
    f.flush()
    if ECHO:
        print "[DEV] <", l

def waitForPrompt(dev):
    data = ""
    start = time.clock()
    while True:
        b = dev.read(BUF_SZ)
        if not b:
            if (time.clock() - start) > TIMEOUT:
                return False
        else:
            if ECHO:
                print "[DEV] >", repr(b)

data += b
            if PROMPT in data:
                return True

def main():
    tty = serial.Serial(DEVICE_FILE, baudrate = 115200, timeout = 0, xonxoff = True, rtscts = False, dsrdtr = False)

# Wait for promt before start executing any commands.
    waitForPrompt(tty)
    # At this time it isn't strictly required.

fw_sz = os.path.getsize(FW_FILE)
    f = open(FW_FILE, "rb")

old_progress = -1
    written = 0
    offset = MEM_ADDR
    start = time.clock()
    old_spd = start
    while written != fw_sz:
        s = f.read(1)
        if not s:
            raise Exception("Unexpected end of file")

cmd = "mw %08X %02X" % (offset, ord(s[0]))
        writeLine(tty, cmd)

written += 1
        offset += 1

progress = int(float(written) / fw_sz * 100.0)
        if progress != old_progress:
            print "!!! PROGRESS: %03d%% !!!" % progress
        old_progress = progress

cur_time = time.clock()
        if cur_time - old_spd >= 1.0:
            old_spd = cur_time
            speed = int(written / (cur_time - start))
            print "!!! SPEED: %d bytes/s !!!" % speed