bus product xml

华盛顿豪华巴士提供从纽约出发至华盛顿特区的服务,票价为22.75美元。出发站点包括布鲁克林的Bedford Ave & Empire Blvd站,纽约市内的Allen x Delancey St站及202 W 36th St x 7th Ave站。到达站点有Union Station - 50 Massachusetts Ave及Dupont Circle - Connecticut Ave NW & Q St NW。

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<?xml version="1.0"?>
<row>
    <time>9.6667</time>
    <display_time>9:40am</display_time>
    <display_arrival_time>3:15pm</display_arrival_time>
    <arrival_hour>15.25</arrival_hour>
    <vendor_star_rating>0</vendor_star_rating>
    <vendor_rating_value>0</vendor_rating_value>
    <operator>Washington Deluxe</operator>
    <operator_url>
        <![CDATA[]]>
   </operator_url>
    <pid>1010</pid>
    <pname>New York 11:00am (ALL) => DC</pname>
    <schedule_id>WSD855</schedule_id>
    <vendor_id>3711</vendor_id>
    <keywords></keywords>
    <price>22.75</price>
    <real_price>22.75</real_price>
    <dynamic>0</dynamic>
    <currency_symbol>$</currency_symbol>
    <is_award_badge_vendor>0</is_award_badge_vendor>
    <info>
        <![CDATA[<table width=\"100%\" border=\"0\" cellspacing=\"0\" cellpadding=\"3\">                                                                                  <tr>                                    <td align=\"right\" valign=\"top\">                                             <b>Brooklyn Departure:</b>                                              </td>                                                   <td valign=\"top\">                                      <img src=\"/images/bus_station_icon1.gif\" border=\"0\" /> 9:40am <a target=\"depart\" href=\"/busstation/245741.html\">Bedford Ave & Empire Blvd</a> </td></tr>                                               <tr>                                    <td align=\"right\" valign=\"top\">                                             <b>New York Departure:</b>                                              </td>                                                   <td valign=\"top\">                                      <img src=\"/images/bus_station_icon1.gif\" border=\"0\" /> 10:20am <a target=\"depart\" href=\"/busstation/89548.html\">Allen x Delancey St</a>  <br>  <img src=\"/images/bus_station_icon1.gif\" border=\"0\" /> 11:00am <a target=\"depart\" href=\"/busstation/254264.html\">202 W 36th st x 7th Ave</a>  </td></tr>                                                <tr>                                            <td align=\"right\" valign=\"top\">                                                             <b>Washington Arrivals:</b>                                     </td>                                           <td valign=\"top\">                                      <img src=\"/images/bus_station_icon1.gif\" border=\"0\" /> 3:15pm <a target=\"arrive\" href=\"/busstation/78337.html\">Union Station - 50 Massachusetts Ave</a>  <br>  <img src=\"/images/bus_station_icon1.gif\" border=\"0\" /> 3:25pm <a target=\"arrive\" href=\"/busstation/250411.html\">Dupont Circle - Connecticut Ave NW & Q St NW</a>  </td></tr>                    </table>]]>
    </info>
    <url>
        <![CDATA[http://ken.taketours.com/washingtondeluxe/
        newyork_washingtondc/newyorktowashingtondc/newyork11_00am_all___dc.html]]>
	</url>
    <new_info>
        <![CDATA[<div class=\"floatL db_l\"><div class=\"db_date\"><strong>Brooklyn Departure:</strong>                                            <ul>                             <li> 9:40am <a target=\"depart\" href=\"/busstation/245741.html\">Bedford Ave & Empire Blvd</a></li>  </ul></div>                                              <div class=\"db_date\">                                                 <strong>New York Departure:</strong>                                            <ul>                             <li> 10:20am <a target=\"depart\" href=\"/busstation/89548.html\">Allen x Delancey St</a></li>  <li> 11:00am <a target=\"depart\" href=\"/busstation/254264.html\">202 W 36th st x 7th Ave</a></li>  </ul></div> </div>  <div class=\"floatL db_r\">                                   <div class=\"db_date\">                                                 <strong>Washington Arrivals:</strong>                                           <ul>                                             <li> 3:15pm <a target=\"arrive\" href=\"/busstation/78337.html\">Union Station - 50 Massachusetts Ave</a></li>  <li> 3:25pm <a target=\"arrive\" href=\"/busstation/250411.html\">Dupont Circle - Connecticut Ave NW & Q St NW</a></li>  </ul></div> </div>]]>
</new_info>
    <rt_price>45.5</rt_price>
    <wifi_support>2</wifi_support>
    <n_tickets>8</n_tickets>
    <dates>
        <name>Date</name>
        <id>Date</id>
        <date>2015-11-09 Mon</date>
        <date>2015-11-10 Tue</date>
        <date>2015-11-11 Wed</date>
        <date>2015-11-12 Thu</date>
        <date>2015-11-16 Mon</date>
        <date>2015-11-17 Tue</date>
        <date>2015-11-18 Wed</date>
        <date>2015-11-19 Thu</date>
        <date>2015-11-23 Mon</date>
        <date>2015-11-24 Tue</date>
        <date>2015-11-25 Wed</date>
        <date>2015-11-26 Thu</date>
        <date>2015-11-30 Mon</date>
        <date>2015-12-01 Tue</date>
        <date>2015-12-02 Wed</date>
        <date>2015-12-03 Thu</date>
        <date>2015-12-07 Mon</date>
        <date>2015-12-08 Tue</date>
        <date>2015-12-09 Wed</date>
        <date>2015-12-10 Thu</date>
        <date>2015-12-14 Mon</date>
        <date>2015-12-15 Tue</date>
        <date>2015-12-16 Wed</date>
        <date>2015-12-17 Thu</date>
        <date>2015-12-21 Mon</date>
        <date>2015-12-22 Tue</date>
        <date>2015-12-23 Wed</date>
        <date>2015-12-24 Thu</date>
        <date>2015-12-28 Mon</date>
        <date>2015-12-29 Tue</date>
        <date>2015-12-30 Wed</date>
        <date>2015-12-31 Thu</date>
    </dates>
    <d_invs>
        <d_inv>2015-11-09 20</d_inv>
        <d_inv>2015-11-10 20</d_inv>
        <d_inv>2015-11-11 20</d_inv>
        <d_inv>2015-11-12 20</d_inv>
        <d_inv>2015-11-16 20</d_inv>
        <d_inv>2015-11-17 20</d_inv>
        <d_inv>2015-11-18 20</d_inv>
        <d_inv>2015-11-19 20</d_inv>
        <d_inv>2015-11-23 20</d_inv>
        <d_inv>2015-11-24 20</d_inv>
        <d_inv>2015-11-25 20</d_inv>
        <d_inv>2015-11-26 20</d_inv>
        <d_inv>2015-11-30 20</d_inv>
        <d_inv>2015-12-01 20</d_inv>
        <d_inv>2015-12-02 20</d_inv>
        <d_inv>2015-12-03 20</d_inv>
        <d_inv>2015-12-07 20</d_inv>
        <d_inv>2015-12-08 20</d_inv>
        <d_inv>2015-12-09 20</d_inv>
        <d_inv>2015-12-10 20</d_inv>
        <d_inv>2015-12-14 20</d_inv>
        <d_inv>2015-12-15 20</d_inv>
        <d_inv>2015-12-16 20</d_inv>
        <d_inv>2015-12-17 20</d_inv>
        <d_inv>2015-12-21 20</d_inv>
        <d_inv>2015-12-22 20</d_inv>
        <d_inv>2015-12-23 20</d_inv>
        <d_inv>2015-12-24 20</d_inv>
        <d_inv>2015-12-28 20</d_inv>
        <d_inv>2015-12-29 20</d_inv>
        <d_inv>2015-12-30 20</d_inv>
        <d_inv>2015-12-31 20</d_inv>
    </d_invs>
    <date_prices>
        <date_price>2015-11-09 22.75</date_price>
        <date_price>2015-11-10 22.75</date_price>
        <date_price>2015-11-11 22.75</date_price>
        <date_price>2015-11-12 22.75</date_price>
        <date_price>2015-11-16 22.75</date_price>
        <date_price>2015-11-17 22.75</date_price>
        <date_price>2015-11-18 22.75</date_price>
        <date_price>2015-11-19 22.75</date_price>
        <date_price>2015-11-23 22.75</date_price>
        <date_price>2015-11-24 22.75</date_price>
        <date_price>2015-11-25 22.75</date_price>
        <date_price>2015-11-26 22.75</date_price>
        <date_price>2015-11-30 22.75</date_price>
        <date_price>2015-12-01 22.75</date_price>
        <date_price>2015-12-02 22.75</date_price>
        <date_price>2015-12-03 22.75</date_price>
        <date_price>2015-12-07 22.75</date_price>
        <date_price>2015-12-08 22.75</date_price>
        <date_price>2015-12-09 22.75</date_price>
        <date_price>2015-12-10 22.75</date_price>
        <date_price>2015-12-14 22.75</date_price>
        <date_price>2015-12-15 22.75</date_price>
        <date_price>2015-12-16 22.75</date_price>
        <date_price>2015-12-17 22.75</date_price>
        <date_price>2015-12-21 22.75</date_price>
        <date_price>2015-12-22 22.75</date_price>
        <date_price>2015-12-23 22.75</date_price>
        <date_price>2015-12-24 22.75</date_price>
        <date_price>2015-12-28 22.75</date_price>
        <date_price>2015-12-29 22.75</date_price>
        <date_price>2015-12-30 22.75</date_price>
        <date_price>2015-12-31 22.75</date_price>
    </date_prices>
    <departs>
        <name>Departure</name>
        <id>Departure</id>
        <depart>
            <![CDATA[9:40am Bedford Ave & Empire Blvd]]>
</depart>
        <depart>
            <![CDATA[10:20am Allen x Delancey St]]>
</depart>
        <depart>
            <![CDATA[11:00am 202 W 36th st x 7th Ave]]>
</depart>
    </departs>
    <bss_ids>
        <depart_bss>
            <depart_bss_id>245741</depart_bss_id>
            <latitude>40.650000</latitude>
            <longitude>-73.950000</longitude>
            <name>
                <![CDATA[Bedford Ave & Empire Blvd]]>
     </name>
        </depart_bss>
        <depart_bss>
            <depart_bss_id>89548</depart_bss_id>
            <latitude>40.719000</latitude>
            <longitude>-73.990000</longitude>
            <name>
                <![CDATA[Allen x Delancey St]]>
</name>
        </depart_bss>
        <depart_bss>
            <depart_bss_id>254264</depart_bss_id>
            <latitude>40.752288</latitude>
            <longitude>-73.989706</longitude>
            <name>
                <![CDATA[202 W 36th st x 7th Ave]]>
</name>
        </depart_bss>
        <arrival_bss>
            <arrival_bss_id>78337</arrival_bss_id>
            <latitude>38.896778</latitude>
            <longitude>-77.007838</longitude>
            <name>
                <![CDATA[Union Station - 50 Massachusetts Ave]]>
</name>
        </arrival_bss>
        <arrival_bss>
            <arrival_bss_id>250411</arrival_bss_id>
            <latitude>38.911124</latitude>
            <longitude>-77.044454</longitude>
            <name>
                <![CDATA[Dupont Circle - Connecticut Ave NW & Q St NW]]>
</name>
        </arrival_bss>
    </bss_ids>
    <arrives>
        <name>Arrival</name>
        <id>Arrival</id>
        <arrive>
            <![CDATA[3:15pm Union Station - 50 Massachusetts Ave]]>
        </arrive>
        <arrive>
            <![CDATA[3:25pm Dupont Circle - Connecticut Ave NW & Q St NW]]>
        </arrive>
    </arrives>
    <date_stations_xml>
        <date_show_stations>
            <date_string>2015-11-09;2015-11-10;2015-11-11;2015-11-12;2015-11-16;2015-11-17;2015-11-18;
            2015-11-19;2015-11-23;2015-11-24;2015-11-25;2015-11-26;2015-11-30;2015-12-01;2015-12-02;
            2015-12-03;2015-12-07;2015-12-08;2015-12-09;2015-12-10;2015-12-14;2015-12-15;2015-12-16;
            2015-12-17;2015-12-21;2015-12-22;2015-12-23;2015-12-24;2015-12-28;2015-12-29;2015-12-30;2015-12-31</date_string>
            <date_stations>
                <arrival_busstations>
                    <arrival_busstation>
                        <![CDATA[3:25pm Dupont Circle - Connecticut Ave NW & Q St NW]]>
					</arrival_busstation>
                    <arrival_busstation>
                        <![CDATA[3:15pm Union Station - 50 Massachusetts Ave]]>
</arrival_busstation>
                </arrival_busstations>
                <depart_busstations>
                    <depart_busstation>
                        <![CDATA[10:20am Allen x Delancey St]]>
</depart_busstation>
                    <depart_busstation>
                        <![CDATA[9:40am Bedford Ave & Empire Blvd]]>
</depart_busstation>
                    <depart_busstation>
                        <![CDATA[11:00am 202 W 36th st x 7th Ave]]>
</depart_busstation>
                </depart_busstations>
            </date_stations>
            <show_table_html>
                <![CDATA[ <div class=\"floatL db_l\">                                  <div class=\"db_date\">                                                 <strong>Brooklyn Departure:</strong>                                            <ul>                             <li> 9:40am <a target=\"depart\" href=\"/busstation/245741.html\">Bedford Ave & Empire Blvd</a></li>  </ul></div>                                      <div class=\"db_date\">                                                 <strong>New York Departure:</strong>                                            <ul>                             <li> 10:20am <a target=\"depart\" href=\"/busstation/89548.html\">Allen x Delancey St</a></li>  <li> 11:00am <a target=\"depart\" href=\"/busstation/254264.html\">202 W 36th st x 7th Ave</a></li>  </ul></div> </div>  <div class=\"floatL db_r\">                                   <div class=\"db_date\">                                                 <strong>Washington Arrivals:</strong>                                           <ul>                             <li> 3:15pm <a target=\"arrive\" href=\"/busstation/78337.html\">Union Station - 50 Massachusetts Ave</a></li>  <li> 3:25pm <a target=\"arrive\" href=\"/busstation/250411.html\">Dupont Circle - Connecticut Ave NW & Q St NW</a></li>  </ul></div> </div> ]]>
</show_table_html>
            <old_show_table_html>
                <![CDATA[                  <table width=\"100%\" border=\"0\" cellspacing=\"0\" cellpadding=\"3\">                                                                                 <tr>                                                    <td align=\"right\" valign=\"top\">                                                             <b>Brooklyn Departure:</b>                                                      </td>                                                   <td valign=\"top\">                                      <img src=\"/images/bus_station_icon1.gif\" border=\"0\" /> 9:40am <a target=\"depart\" href=\"/busstation/245741.html\">Bedford Ave & Empire Blvd</a> </td></tr>                                               <tr>                                                    <td align=\"right\" valign=\"top\">                                                             <b>New York Departure:</b>                                                      </td>                                                   <td valign=\"top\">                                      <img src=\"/images/bus_station_icon1.gif\" border=\"0\" /> 10:20am <a target=\"depart\" href=\"/busstation/89548.html\">Allen x Delancey St</a>  <br>  <img src=\"/images/bus_station_icon1.gif\" border=\"0\" /> 11:00am <a target=\"depart\" href=\"/busstation/254264.html\">202 W 36th st x 7th Ave</a>  </td></tr>                                                <tr>                                                    <td align=\"right\" valign=\"top\">                                                             <b>Washington Arrivals:</b>                                                     </td>                                           <td valign=\"top\">                                      <img src=\"/images/bus_station_icon1.gif\" border=\"0\" /> 3:15pm <a target=\"arrive\" href=\"/busstation/78337.html\">Union Station - 50 Massachusetts Ave</a>  <br>  <img src=\"/images/bus_station_icon1.gif\" border=\"0\" /> 3:25pm <a target=\"arrive\" href=\"/busstation/250411.html\">Dupont Circle - Connecticut Ave NW & Q St NW</a>  </td></tr>                    </table>                ]]>
</old_show_table_html>
            <show_table_xml>
                <depart_station_show_xml>
                    <city_last_time>9:40am</city_last_time>
                    <station_city_name>Brooklyn</station_city_name>
                    <flag_value>flag_Brooklyn value</flag_value>
                    <station_show_xml>
                        <s_time>9:40am</s_time>
                        <name>
                            <![CDATA[Bedford Ave & Empire Blvd]]>
</name>
                        <url>
                            <![CDATA[/busstation/245741.html]]>
</url>
                        <option_value>
                            <![CDATA[9:40am Bedford Ave & Empire Blvd]]>
</option_value>
                        <latitude>40.650000</latitude>
                        <longitude>-73.950000</longitude>
                        <aid>245741</aid>
                        <a_desc>
                            <![CDATA[at Gulf Gas Station<br/>Bedford Ave & Empire Blvd<br/>Brooklyn, NY, 11225<br/>Drop-off: no stop]]>
</a_desc>
                        <full_text>
                            <![CDATA[Bedford Ave & Empire Blvd, Brooklyn, NY 11225 (at Gulf Gas Station)]]>
</full_text>
                        <price_change_display>
                            <![CDATA[]]>
</price_change_display>
                    </station_show_xml>
                </depart_station_show_xml>
                <depart_station_show_xml>
                    <city_last_time>10:20am</city_last_time>
                    <station_city_name>New York</station_city_name>
                    <flag_value>flag_New York value</flag_value>
                    <station_show_xml>
                        <s_time>10:20am</s_time>
                        <name>
                            <![CDATA[Allen x Delancey St]]>
</name>
                        <url>
                            <![CDATA[/busstation/89548.html]]>
</url>
                        <option_value>
                            <![CDATA[10:20am Allen x Delancey St]]>
</option_value>
                        <latitude>40.719000</latitude>
                        <longitude>-73.990000</longitude>
                        <aid>89548</aid>
                        <a_desc>
                            <![CDATA[<br/>122 Allen St x Delancey St<br/>New York, NY, 10002<br/>Drop-off: no stop]]>
</a_desc>
                        <full_text>
                            <![CDATA[122 Allen St x Delancey St, New York, NY 10002]]>
</full_text>
                        <price_change_display>
                            <![CDATA[]]>
</price_change_display>
                    </station_show_xml>
                    <station_show_xml>
                        <s_time>11:00am</s_time>
                        <name>
                            <![CDATA[202 W 36th st x 7th Ave]]>
</name>
                        <url>
                            <![CDATA[/busstation/254264.html]]>
</url>
                        <option_value>
                            <![CDATA[11:00am 202 W 36th st x 7th Ave]]>
</option_value>
                        <latitude>40.752288</latitude>
                        <longitude>-73.989706</longitude>
                        <aid>254264</aid>
                        <a_desc>
                            <![CDATA[(Between 7th & 8th Ave (Penn Station & Times Square); in front of Pig n Whistle Irish Pub)<br/>7th Ave & W 36th St<br/>New York, NY, 10018<br/>Drop-off: no stop]]>
</a_desc>
                        <full_text>
                            <![CDATA[7th Ave & W 36th St, New York, NY 10018]]>
</full_text>
                        <price_change_display>
                            <![CDATA[]]>
</price_change_display>
                    </station_show_xml>
                </depart_station_show_xml>
                <depart_time>
                    <![CDATA[9:40am]]>
</depart_time>
                <arrive_station_show_xml>
                    <city_last_time>
                        <![CDATA[ <span class="floatR" style="margin-right:10px">3:25pm</span>]]>
</city_last_time>
                    <station_city_name>Washington DC</station_city_name>
                    <flag_value>flag_Washington DC value</flag_value>
                    <station_show_xml>
                        <s_time>3:15pm</s_time>
                        <name>
                            <![CDATA[Union Station - 50 Massachusetts Ave]]>
</name>
                        <url>
                            <![CDATA[/busstation/78337.html]]>
</url>
                        <option_value>
                            <![CDATA[3:15pm Union Station - 50 Massachusetts Ave]]>
</option_value>
                        <next_day>0</next_day>
                        <icon_tommorow>
                            <![CDATA[]]>
</icon_tommorow>
                        <latitude>38.896778</latitude>
                        <longitude>-77.007838</longitude>
                        <aid>78337</aid>
                        <a_desc>
                            <![CDATA[(at the Union Station parking garage)<br/>50 Massachusetts Avenue, NE. at Columbus Circle<br/>Washington, DC, 20002<br/>Drop-off: 3:15pm]]>
</a_desc>
                        <full_text>
                            <![CDATA[50 Massachusetts Avenue, NE. at Columbus Circle, Washington, DC 20002]]>
</full_text>
                        <price_change_display>
                            <![CDATA[]]>
</price_change_display>
                    </station_show_xml>
                    <station_show_xml>
                        <s_time>3:25pm</s_time>
                        <name>
                            <![CDATA[Dupont Circle - Connecticut Ave NW & Q St NW]]>
</name>
                        <url>
                            <![CDATA[/busstation/250411.html]]>
</url>
                        <option_value>
                            <![CDATA[3:25pm Dupont Circle - Connecticut Ave NW & Q St NW]]>
</option_value>
                        <next_day>0</next_day>
                        <icon_tommorow>
                            <![CDATA[]]>
</icon_tommorow>
                        <latitude>38.911124</latitude>
                        <longitude>-77.044454</longitude>
                        <aid>250411</aid>
                        <a_desc>
                            <![CDATA[<br/>Connecticut Ave NW & Q St NW<br/>Washington, DC, 20009<br/>Drop-off: 3:25pm]]>
</a_desc>
                        <full_text>
                            <![CDATA[Connecticut Ave NW & Q St NW, Washington, DC 20009]]>
</full_text>
                        <price_change_display>
                            <![CDATA[]]>
</price_change_display>
                    </station_show_xml>
                </arrive_station_show_xml>
                <arrival_time>
                    <![CDATA[<span class="floatR" style="margin-right:10px">3:25pm</span>]]>
					</arrival_time>
                <arrival_time_value>
                    <![CDATA[3:25pm]]>
		</arrival_time_value>
            </show_table_xml>
        </date_show_stations>
    </date_stations_xml>
</row>


<think>好的,我现在需要处理用户的问题。用户提到他们想从XML中获取字库类型的解决方案,可能与错误代码9008有关,并且想知道如何在出现错误代码9008时通过Python解析XML来获取字库类型。 首先,我需要回顾之前的对话历史。用户之前询问的是关于Python与EDL模式开发的指南,其中涉及了Firehose协议、XML命令以及设备连接和错误处理。用户提供的回答中包含了使用Python生成和发送XML指令的示例,比如擦除分区的命令,以及处理USB错误的方法,包括错误代码9008相关的解决方案,比如检查设备是否进入EDL模式,权限问题等。 现在用户的问题集中在XML解析和错误代码9008上。错误代码9008通常与设备进入EDL模式有关,可能是在连接设备时出现的USB通信问题。用户可能在使用Firehose协议发送XML指令时遇到了问题,需要从设备返回的XML数据中解析出字库类型,这可能与存储介质(如eMMC或UFS)有关。 接下来,我需要确定如何通过Python解析XML。常见的库有xml.etree.ElementTree,lxml等。用户可能需要从设备响应中提取特定标签或属性,比如MemoryName,这可能指示字库类型。 同时,用户提到错误代码9008,这可能意味着在连接设备时出现问题,导致无法正确获取XML响应。因此,解决方案可能需要结合错误处理和XML解析,确保在设备连接正常的情况下获取并解析数据。 需要考虑到用户可能在发送Firehose命令后,设备返回的XML数据中包含有关存储的信息。例如,在之前的示例中,生成擦除指令时使用了MemoryName="emmc",这可能就是字库类型。因此,解析XML响应中的相关标签是关键。 可能的步骤包括: 1. 确保设备正确进入EDL模式,处理错误9008的连接问题。 2. 发送获取设备信息的Firehose XML命令。 3. 接收并解析返回的XML数据,提取字库类型。 4. 处理可能的解析错误或数据不完整的情况。 需要验证用户是否已经有发送命令并获取响应的代码,可能需要参考之前提供的代码示例,如connect_edl函数和发送擦除命令的部分。然后,补充解析XML的部分,使用ElementTree来解析响应中的特定字段。 另外,错误代码9008可能涉及权限问题,如Linux下的USB权限或Windows驱动问题,这也需要在连接时处理,确保设备被正确识别。 最后,可能需要给出一个完整的代码示例,展示如何连接设备,发送命令,解析XML,并处理可能出现的错误,特别是9008相关的连接问题。</think>### 基于错误代码9008的XML字库类型解析指南 #### 一、错误代码9008的预处理 1. **设备状态验证** 先确认设备已正确进入EDL模式: ```python def check_edl_mode(): dev = usb.core.find(idVendor=0x05c6, idProduct=0x9008) if not dev: raise SystemError("错误9008: 设备未进入EDL模式或驱动异常") return dev ``` 2. **协议层初始化** 发送初始化指令获取基础XML响应: ```python def get_device_info(dev): init_cmd = b'<configure MemoryName="ufs" MaxPayloadSize="4096"/>' dev.write(2, init_cmd) # 端点2为写通道 raw_data = dev.read(0x81, 2048, timeout=2000) # 端点1为读通道 return raw_data.tobytes().decode('utf-8').strip('\x00') ``` #### 二、XML字库类型解析方法 1. **内存类型提取** 使用`xml.etree.ElementTree`解析关键参数: ```python import xml.etree.ElementTree as ET def parse_memory_type(xml_data): root = ET.fromstring(xml_data) # 新版Firehose协议解析路径 memory_node = root.find('.//Memory') if memory_node is None: # 旧版协议兼容 memory_node = root.find('.//configure') return memory_node.get('MemoryName') if memory_node else 'unknown' ``` 2. **错误日志关联分析** 结合错误代码定位存储问题: ```python def diagnose_9008_error(raw_xml): tree = ET.ElementTree(ET.fromstring(raw_xml)) error_code = tree.find('.//error_code').text if error_code == "0x9008": storage_type = parse_memory_type(raw_xml) print(f"检测到存储异常: {storage_type}介质CRC校验失败") ``` #### 三、完整工作流示例 ```python def main(): try: dev = check_edl_mode() xml_response = get_device_info(dev) # 关键解析逻辑 if '<error' in xml_response: diagnose_9008_error(xml_response) else: memory_type = parse_memory_type(xml_response) print(f"当前字库类型: {memory_type.upper()}存储芯片") except usb.core.USBError as e: if e.errno == 13: print("权限错误: 请执行sudo chmod 666 /dev/bus/usb/*/*") elif "timed out" in str(e): print("超时错误: 尝试更换USB接口或缩短线缆长度") if __name__ == "__main__": main() ``` #### 四、典型输出解析对照表 | XML特征字段 | 对应存储类型 | 校验算法 | |-------------|--------------|----------| | `MemoryName="emmc"` | eMMC 5.1 | CRC32 | | `MemoryName="ufs"` | UFS 3.0 | CSD寄存器校验 | | `MemoryName="nand"` | 原始NAND | BCH ECC | #### 五、高级调试技巧 1. **二进制日志捕获** 使用Wireshark捕获USB原始数据: ```bash usbmon -i 1 -c 1000 | grep 05c6:9008 > edl_capture.log ``` 2. **协议版本检测** 添加版本探测指令: ```python def detect_protocol_version(): version_cmd = b'<get version="1"/>' response = send_command(version_cmd) return ET.fromstring(response).find('version').text ```
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