Part Number: PROCESSOR-SDK-AM335X Other Parts Discussed in Thread: AM3354
hello
我们现在在用红外串口收发数据,使用的是8250的驱动接口,用中断收发数据,对端是stm32,使用的串口空闲中断来检测am335x是否发送完数据,当检测到2个字符间隔大于一个固定值时,即认为am335x发送完毕!
现在遇到个问题:
am3354使用中断发送的时候,经常会被其他的中断打断,导致数据从xmit->buf搬运到红外串口芯片的FIFO里时产生不小的时延…
Part Number: AM3352 Other Parts Discussed in Thread: AM3354 , , AM3359 Hello,
Regarding the interim progress on the issue of serial port parity errors, based on the current test results, it appears that there is a high probability of a hardware problem. Following your previous suggestion…