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发表于 2015-11-20 21:15:55
沙发
我用write函数是可以发数据的,但发现底层没有read函数,是怎么回事?
static struct console serial_rk_console = {
.name = "ttyS",
.write = serial_rk_console_write,
.device = uart_console_device,
.setup = serial_rk_console_setup,
.flags = CON_PRINTBUFFER | CON_ANYTIME,
.index = -1,
.data = &serial_rk_reg,
};
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