/*======================================================================*
task_tty
*----------------------------------------------------------------------*
* 作用：键盘中断处理函数
*======================================================================*/
PUBLIC void task_tty()
{
TTY *p_tty;
// 初始化键盘中断放到这里，进程开始执行的时候执行一次
init_keyboard();
// 遍历初始化所有TTY
for (p_tty = TTY_FIRST; p_tty < TTY_END; p_tty++)
{
init_tty(p_tty);
}
nr_current_console = 0; // 最开始生效的是第一个TTY
while (1)
{
// 轮询所有TTY，如果当前TTY在前台，读取键盘缓冲区，显示到显存中
for (p_tty = TTY_FIRST; p_tty < TTY_END; p_tty++)
{
tty_do_read(p_tty);
tty_do_write(p_tty);
}
}
}
void task_tty(void)
{
Tty *tty;
init_console();
for (tty = tty_table ; tty < tty_table + TTY_NUM ; ++tty)
{
init_tty(tty);
}
select_tty(0);
static int i=0;
while(1)
{
//assert(0);
//panic("in tty");
s32_print_int(i, (u8*)(0xb8000+160*23), 10);
++i;
for (tty = tty_table ; tty < tty_table + TTY_NUM ; ++tty)
{
if (tty->ready == 1)
{
tty_do_read(tty);
tty_do_write(tty);
}
}
}
}
/**
* <Ring 1> Main loop of task TTY.
*****************************************************************************/
PUBLIC void task_tty()
{
TTY * tty;
MESSAGE msg;
init_keyboard();
for (tty = TTY_FIRST; tty < TTY_END; tty++)
init_tty(tty);
select_console(0);
while (1) {
for (tty = TTY_FIRST; tty < TTY_END; tty++) {
do {
tty_dev_read(tty);
tty_dev_write(tty);
} while (tty->ibuf_cnt);
}
send_recv(RECEIVE, ANY, &msg);
int src = msg.source;
assert(src != TASK_TTY);
TTY* ptty = &tty_table[msg.DEVICE];
switch (msg.type) {
case DEV_OPEN:
reset_msg(&msg);
msg.type = SYSCALL_RET;
send_recv(SEND, src, &msg);
break;
case DEV_READ:
tty_do_read(ptty, &msg);
break;
case DEV_WRITE:
tty_do_write(ptty, &msg);
break;
case HARD_INT:
/**
* waked up by clock_handler -- a key was just pressed
* @see clock_handler() inform_int()
*/
key_pressed = 0;
continue;
default:
dump_msg("TTY::unknown msg", &msg);
break;
}
}
}
/*-----tty_platform-----*/
void tty_platform(void)
{
struct ttybuf *pTtab = ttyTab;
tty_init();
while(1) {
for(pTtab = ttyTab; pTtab < ttyTab + NR_TTY; pTtab++) {
tty_do_read(pTtab);
tty_do_write(pTtab);
}
}
}
void task_tty()
{
struct Tty *p_tty;
init_keyboard();
for (p_tty = tty_table; p_tty < tty_table + NR_CONSOLES; p_tty++)
init_tty(p_tty);
select_console(0);
while(1) {
for (p_tty = tty_table; p_tty < tty_table + NR_CONSOLES; p_tty++) {
tty_do_read(p_tty);
tty_do_write(p_tty);
}
}
}
/*======================================================================*
task_tty
*======================================================================*/
PUBLIC void task_tty()
{
TTY* p_tty;
init_keyboard();
for (p_tty=TTY_FIRST;p_tty<TTY_END;p_tty++) {
init_tty(p_tty);
}
select_console(0);
while (1) {
for (p_tty=TTY_FIRST;p_tty<TTY_END;p_tty++) {
tty_do_read(p_tty);
tty_do_write(p_tty);
}
}
}
PUBLIC void task_tty()
{
TTY* tty;
init_keyboard();
for (tty=TTY_FIRST;tty<TTY_END;tty++) {
init_tty(tty);
}
printinfo("\ninit clock\n");
printinfo("init keyboard\n");
select_SCREEN(0);
while (1) {
for (tty=TTY_FIRST;tty<TTY_END;tty++) {
tty_do_read(tty);
tty_do_write(tty);
}
}
}
/*======================================================================*
task_tty
*======================================================================*/
PUBLIC void task_tty()
{
MESSAGE msg;
TTY* p_tty;
int src;
int f_WaitSend = 0;
int i = 0;
//while(1);
/* panic("in TTY"); */
/* assert(0); */
//init_keyboard();
for (p_tty=TTY_FIRST;p_tty<TTY_END;p_tty++) {
init_tty(p_tty);
}
select_console(0);
//printf("tty ok!\n");
while (1) {
for (p_tty=TTY_FIRST;p_tty<TTY_END;p_tty++) {
tty_do_read(p_tty);
if (p_tty->inbuf_count)
{
if(*(p_tty->p_inbuf_tail) == '\n')
{
tty_do_write(p_tty);
szTTYBuffer[nTTYBufferIndex] = 0;
nTTYBufferIndex = 0;
if(f_WaitSend)
{
msg.type = TTY_ENTER;
msg.u.m2.m2p1 = szTTYBuffer;
send_recv(SEND, src, &msg);
f_WaitSend = 0;
//printf(szTTYBuffer);
//printf("\n");
}
}
else
{
char ch = *(p_tty->p_inbuf_tail);
tty_do_write(p_tty);
szTTYBuffer[nTTYBufferIndex++] = ch;
}
}
}
if(f_WaitSend == 0)
{
send_recv(RECEIVE, ANY, &msg);
src = msg.source;
f_WaitSend = 1;
}
}
}
