初始提交：中兴B863AV3.2-M刷Armbian + CUPS打印服务教程

包含:
- 刷机教程.md - 完整刷机和CUPS配置文档
- setup_cups.sh - 一键安装CUPS脚本(支持换源、多驱动选择、中文界面)
- cups-templates-zh_CN/ - CUPS中文界面模板

🤖 Generated with Claude Code

cups-templates-zh_CN/choose-serial.tmpl

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+<H2 CLASS="title">{op=modify-printer?Modify {printer_name}:Add Printer}</H2>
+
+<FORM METHOD="POST" ACTION="/admin">
+<INPUT TYPE="HIDDEN" NAME="org.cups.sid" VALUE="{$org.cups.sid}">
+<INPUT TYPE="HIDDEN" NAME="OP" VALUE="{op}">
+{printer_name?<INPUT TYPE="HIDDEN" NAME="printer_name" VALUE="{printer_name}">:}
+
+<TABLE>
+<TR>
+<TH CLASS="label">Connection:</TH>
+<TD><INPUT TYPE="HIDDEN" NAME="DEVICE_URI" VALUE="{device_uri}">{device_uri}</TD>
+</TR>
+<TR>
+<TH CLASS="label">Baud Rate:</TH>
+<TD><SELECT NAME="BAUDRATE">
+{[baudrates]<OPTION {?baudrate={baudrates}?SELECTED:}>{baudrates}}
+</SELECT></TD>
+</TR>
+<TR>
+<TH CLASS="label">Parity:</TH>
+<TD><SELECT NAME="PARITY">
+<OPTION VALUE="none" {?parity=none?SELECTED:}>None
+<OPTION VALUE="even" {?parity=even?SELECTED:}>Even
+<OPTION VALUE="odd" {?parity=odd?SELECTED:}>Odd
+</SELECT></TD>
+</TR>
+<TR>
+<TH CLASS="label">Data Bits:</TH>
+<TD><SELECT NAME="BITS">
+<OPTION {?bits=8?SELECTED:}>8
+<OPTION {?bits=7?SELECTED:}>7
+</SELECT></TD>
+</TR>
+<TR>
+<TH CLASS="label">Flow Control:</TH>
+<TD><SELECT NAME="FLOW">
+<OPTION VALUE="none" {?flow=none?SELECTED:}>None
+<OPTION VALUE="soft" {?flow=soft?SELECTED:}>XON/XOFF (Software)
+<OPTION VALUE="hard" {?flow=hard?SELECTED:}>RTS/CTS (Hardware)
+<OPTION VALUE="dtrdsr" {?flow=dtrdsr?SELECTED:}>DTR/DSR (Hardware)
+</SELECT></TD>
+</TR>
+<TR>
+<TD></TD>
+<TD><INPUT TYPE="SUBMIT" VALUE="Continue"></TD>
+</TR>
+</TABLE>
+
+</FORM>