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en:c2_hardwarehacking [2017/02/03 14:00] odroid [USB Hub IC issue] |
en:c2_hardwarehacking [2017/02/03 14:40] (current) odroid [USB Hub IC issue] |
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====== USB Hub IC issue ====== | ====== USB Hub IC issue ====== | ||
- | Every power cycle, the USB hub controller is disconnecting the USB devices at among 5~7 second after starting boot process. \\ | + | Every power cycle, the USB hub controller is disconnecting the USB devices at among 5~7 second after starting the boot process. \\ |
If you use a fast booting OS like Buildroot, Yocto and Ubuntu-Minimal, your USB devices will not work correctly. \\ | If you use a fast booting OS like Buildroot, Yocto and Ubuntu-Minimal, your USB devices will not work correctly. \\ | ||
To avoid this issue, you need to run your USB application software slightly later after complete the booting process. \\ | To avoid this issue, you need to run your USB application software slightly later after complete the booting process. \\ |