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请问uart.readchar()和uart.readline(),我看到readchar()是从总线上读取数据，那么请问假如STM32发送数字1.下面的代码中，readchar()能读出1嘛？ if uart.any(): a=.uart.readchar()
可以读出数字类型的1。 前提是STM32发送的是数字1，而不是字符'1'。