微電腦 - Zipit Z1 - Upload程式(Python)

#!/usr/bin/python
import os
import sys
import serial
import readchar
import argparse
import threading
from time import sleep
 
def print_serial():
    while True:
        sys.stdout.write(ser.read())

def send_file(path, ch):
    f = open(path, 'rb')
    c = f.read()
    f.close()

    n = len(c)
    buf = [(n % 65536) % 256, (n % 65536) / 256, (n / 65536) % 256, (n / 65536) / 256]
    ser.write(ch)
    ser.write(buf)
    sleep(1)
    ser.write(c)
    sleep(1)

parser = argparse.ArgumentParser()
parser.add_argument('-port', default='/dev/ttyUSB0')
args = parser.parse_args()

if os.geteuid() != 0:
    print "run me as root"
    sys.exit()

if os.path.exists('zpm.bin') == False:
    print 'failed to open zpm.bin'
    sys.exit()

print """Upload commands
    'A' - allrom.bin upload (2MB)
    'a' - loader.bin upload (8K max)
    'k' - zimage.dat upload (581K max)
    'u' - ramdisk.gz upload (1.5MB max) Follow changes with 'WYes' to write
    '?' - show zipit information
Other commands
    'R' - grab ROM
    'x' - exit\n"""

f = open('zpm.bin', 'rb')
zpm = f.read()
f.close()

ser = serial.Serial(args.port, 9600)
for x in range(2048):
    ser.write(zpm[x])
ser.close()

ser = serial.Serial(args.port, 57600)
thread = threading.Thread(target=print_serial)
thread.daemon = True
thread.start()

while True:
    ch = readchar.readchar()
    if ch == 'A':
        print 'send allrom.bin...'
        send_file('allrom.bin', ch)
    elif ch == 'a':
        print 'send loader.bin...'
        send_file('loader.bin', ch)
    elif ch == 'k':
        print 'send zimage.dat...'
        send_file('zimage.dat', ch)
    elif ch == 'u':
        print 'send ramdisk.gz...'
        send_file('ramdisk.gz', ch)
    elif ch == 'x':
        break
    else:
        ser.write(ch)

ser.close()

操作指令跟原本Upload程式一樣

$ sudo ./run.py 
Upload commands
    'A' - allrom.bin upload (2MB)
    'a' - loader.bin upload (8K max)
    'k' - zimage.dat upload (581K max)
    'u' - ramdisk.gz upload (1.5MB max) Follow changes with 'WYes' to write
    '?' - show zipit information
Other commands
    'R' - grab ROM
    'x' - exit

ZPM .02 - 57.6Kbps new cmds
    Loader addresses: 00002000 00090000

OK >
send loader.bin...
BEG:00000D30END:E6OK >
send zimage.dat...
BEG:00084DE8END:76OK >
send ramdisk.gz...
BEG:0013720CEND:B3OK >
E+W PWD?ERASING,ERASED,WRITTEN!
OK >

司徒終於可以在Pandora掌機上開發Zipit Z1的程式了！