用一下命令时,有的板子会出现这个问题:
[root@(TQ3358) bin]# cat /sys/bus/iio/devices/iio:device0/in_voltage4_raw
cat: read error: Resource temporarily unavailable
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用一下命令时,有的板子会出现这个问题:
[root@(TQ3358) bin]# cat /sys/bus/iio/devices/iio:device0/in_voltage4_raw
cat: read error: Resource temporarily unavailable
你用的是哪个版本的SDK?
参考这个链接,是否能够正常的进行采样呢?还是偶发性的不能使用?后面就好了?
http://processors.wiki.ti.com/index.php/Linux_Core_ADC_User%27s_Guide
有些设备不正常,有些正常,正常都正常。 不正常的占了2-3成, 不知道这算正常吗?