https://tommy0804.ddns.net/index.php?action=history&feed=atom&title=Application_-_Monitor_GPIO_interrupt_in_userspace 2026-08-21T17:25:25Z 本wiki上此頁面的修訂紀錄 MediaWiki 1.43.9 https://tommy0804.ddns.net/index.php?title=Application_-_Monitor_GPIO_interrupt_in_userspace&diff=517&oldid=prev 2026-08-21T05:17:41Z

<p>Refactor: add [[Category:Projects ]]</p> <table style="background-color: #fff; color: #202122;" data-mw="interface"> <col class="diff-marker" /> <col class="diff-content" /> <col class="diff-marker" /> <col class="diff-content" /> <tr class="diff-title" lang="zh-Hant-TW"> <td colspan="2" style="background-color: #fff; color: #202122; text-align: center;">←上個修訂</td> <td colspan="2" style="background-color: #fff; color: #202122; text-align: center;">2026年8月21日 (五) 13:17的版本</td> </tr><tr><td colspan="2" class="diff-lineno" id="mw-diff-left-l37">第37行：</td> <td colspan="2" class="diff-lineno">第37行：</td></tr> <tr><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>         g++ watch-button-glib.cpp -o watch-button-glib -I/usr/include/glib-2.0 -I/usr/lib/arm-linux-gnueabihf/glib-2.0/include -lglib-2.0</div></td><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>         g++ watch-button-glib.cpp -o watch-button-glib -I/usr/include/glib-2.0 -I/usr/lib/arm-linux-gnueabihf/glib-2.0/include -lglib-2.0</div></td></tr> <tr><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>&lt;/pre&gt;</div></td><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>&lt;/pre&gt;</div></td></tr> <tr><td colspan="2" class="diff-side-deleted"></td><td class="diff-marker" data-marker="+"></td><td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div><ins style="font-weight: bold; text-decoration: none;"></ins></div></td></tr> <tr><td colspan="2" class="diff-side-deleted"></td><td class="diff-marker" data-marker="+"></td><td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div><ins style="font-weight: bold; text-decoration: none;">[[Category:Projects]]</ins></div></td></tr> </table>

Tommy https://tommy0804.ddns.net/index.php?title=Application_-_Monitor_GPIO_interrupt_in_userspace&diff=123&oldid=prev 2018-08-23T02:57:26Z

<p>已建立頁面，內容為 &quot;== Monitor GPIO 4 interrupt == === watch-button-glib.cpp === &lt;pre&gt; #include &lt;glib.h&gt; #include &lt;fcntl.h&gt; #include &lt;iostream&gt; using namespace std; #define buf_sz 10 st…&quot;</p> <p><b>新頁面</b></p><div>== Monitor GPIO 4 interrupt ==<br /> === watch-button-glib.cpp ===<br /> &lt;pre&gt;<br /> #include &lt;glib.h&gt;<br /> #include &lt;fcntl.h&gt;<br /> #include &lt;iostream&gt;<br /> using namespace std;<br /> #define buf_sz 10<br /> static int onButtonEvent(GIOChannel *channel, GIOCondition condition, gpointer user_data)<br /> {<br /> static char buf[buf_sz];<br /> cerr &lt;&lt; &quot;onButtonEvent&quot; &lt;&lt;endl;<br /> GError *error = 0;<br /> gsize bytes_read = 0;<br /> g_io_channel_seek_position(channel, 0, G_SEEK_SET, 0);<br /> GIOStatus rc = g_io_channel_read_chars(channel, buf, buf_sz - 1, &amp;bytes_read, &amp;error);<br /> cerr &lt;&lt; &quot;rc:&quot; &lt;&lt; rc &lt;&lt; &quot; data:&quot; &lt;&lt; buf &lt;&lt;endl;<br /> return 1;<br /> }<br /> <br /> int main(int argc, char** argv)<br /> {<br /> GMainLoop* loop = g_main_loop_new(0,0);<br /> int fd = open(&quot;/sys/class/gpio/gpio4/value&quot;, O_RDONLY | O_NONBLOCK);<br /> GIOChannel* channel = g_io_channel_unix_new(fd);<br /> GIOCondition cond = GIOCondition( G_IO_PRI);<br /> guint id = g_io_add_watch(channel, cond, onButtonEvent, 0);<br /> <br /> g_main_loop_run(loop);<br /> }<br /> <br /> &lt;/pre&gt;<br /> <br /> === Makefile ===<br /> &lt;pre&gt;<br /> watch-button-glib: watch-button-glib.cpp Makefile<br /> g++ watch-button-glib.cpp -o watch-button-glib -I/usr/include/glib-2.0 -I/usr/lib/arm-linux-gnueabihf/glib-2.0/include -lglib-2.0<br /> &lt;/pre&gt;</div>

Tommy