MSP430F149中看门狗最长1S就要喂一次狗,我现在需要更长的时间喂一次狗
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串口调试助手发出的字符串会在UART的RX buffer里,你可以用中断或者查询的方式把数据读到一个和FIFO等长的Buffer里,这个buffer里就是你要的16进制数,比如0x40,你用16×4+0就是对应十进制了,没有你做的那么复杂。