3.9.2 获取供电电压值
<p>本例仍然使用demo固件</p>
<p>确保宏定义<code>DEMO_ADC</code>已经打开,在头文件<code>wm_demo.h</code>中设置,如下:</p>
<pre><code class="language-c">#define DEMO_CONSOLE DEMO_ON
#define DEMO_ADC (DEMO_ON && DEMO_CONSOLE)</code></pre>
<p>固件运行后,串口发送命令:<code>t-adcpower()</code>即可在串口输出窗口打印出ADC转换供电电压值,如下图所示:</p>
<p><img src="https://www.showdoc.com.cn/server/api/attachment/visitFile?sign=7936775daa8375b70895b21121fb04ce&file=file.png" alt="" /></p>