esptool.py 文件源码

def dump_mem(esp, args):
    f = open(args.filename, 'wb')
    for i in range(args.size // 4):
        d = esp.read_reg(args.address + (i * 4))
        f.write(struct.pack(b'<I', d))
        if f.tell() % 1024 == 0:
            print('\r%d bytes read... (%d %%)' % (f.tell(),
                                                  f.tell() * 100 // args.size),
                  end=' ')
        sys.stdout.flush()
    print('Done!')