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发表于 2013-6-30 23:06:46
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求教个问题哈,不太明白哪个才是ttl对应的串口
路由器上面有这样的信息
Kernel command line: console=ttyS1,57600 rootfstype=squashfs,jffs2 board=RT-N13U console=ttyS1,57600 mtdparts=physmap-flash.0:192k(u-boot)ro,64k(u-boot-env)ro,64k(factory)ro,896k(kernel),6976k(rootfs),7872k@0x50000(firmware)
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console [ttyS1] enabled, bootconsole disabled
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serial8250: ttyS0 at MMIO 0x10000500 (irq = 13) is a 16550A
serial8250: ttyS1 at MMIO 0x10000c00 (irq = 20) is a 16550A
ttl对应的串口号是ttyS0还是ttyS1啊?
ps,终端对这两个串口都进行了发送和读取,电脑通过usb线连接ttl使用串口调试助手也看不到任何信息,不太明白是怎么回事,求解,多谢啦!
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