NK-6A12

RK3568


WatchDog

<p>1、设置看门狗 timeout 时间: 0x00,0x01 --- 63s; 0x02 --- 126s; 0x03 --- 192s; 最高可设置0x06 ---378s;</p> <pre><code class="language-shell">i2ctransfer -y -f 3 w3@0x15 0x00 0x02 0x01</code></pre> <p>2、打开 watchdog (默认超时时间为60s):</p> <pre><code class="language-shell">i2ctransfer -y -f 3 w3@0x15 0x00 0x03 0x01</code></pre> <p>3、喂狗:</p> <pre><code class="language-shell">i2ctransfer -y -f 3 w3@0x15 0x00 0x04 0x01</code></pre> <p>4、关闭 watchdog:</p> <pre><code class="language-shell">i2ctransfer -y -f 3 w3@0x15 0x00 0x03 0x00</code></pre>

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