SCI中断老是进不去做了一上午发现SCI的中断程序怎么也进不去,最后解决是重新翻看了TI的SCI模块手册,发现自己有一个使能位没有做,导致无法识别。
在此记下,也许有人会跟我一样傻:lol
RXFFIENA Receive FIFO interrupt enable
0 RX FIFO interrupt based on RXFFIVL match (less than or equal to) will be disabled
1 RX FIFO interrupt based on RXFFIVL match (less than or equal to) will be enabled. |