我把rxbuffer设置了8*1024,已经很大,而且我非常高的频率去读取rxbuffer的值,但还是偶尔我看到打印RX OVF, 就是跑到了下述的语句,这是为什么呢?有什么解决办法么。
SDK non-os
}else if(UART_RXFIFO_OVF_INT_ST == (READ_PERI_REG(UART_INT_ST(uart_no)) & UART_RXFIFO_OVF_INT_ST)){
WRITE_PERI_REG(UART_INT_CLR(uart_no), UART_RXFIFO_OVF_INT_CLR);
DBG1("RX OVF!!\r\n");
}
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