2014年(9)
发布时间:2014-04-29 18:52:07
按照数据流过程对函数进行分析。先是接收数据的过程:串口芯片层文件:linux-2.6.22.6\drivers\serial\8250.c/*?* In order to handle ISA shared interrupts properly, we need to check?* that all ports have been serviced, and therefore the ISA interrupt?* line has been de-asserted.?.........【阅读全文】
发布时间:2014-04-26 00:41:13
static inline void n_tty_receive_char(struct tty_struct *tty, unsigned char c)n_tty.c signal = SIGTSTP; if (c == SUSP_CHAR(tty)) {send_signal: isig(signal, tty, 0);.........【阅读全文】