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加快中断处理（1）

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Yourtion
2016-04-19 11:09:00 +08:00
parent 9e1c17b4d1
commit 792c8b7082
1 changed files with 2 additions and 3 deletions
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5
12_day/timer.c
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@@ -49,7 +49,7 @@ void timer_init(struct TIMER *timer, struct FIFO8 *fifo, unsigned char data)
void timer_settime(struct TIMER *timer, unsigned int timeout) void timer_settime(struct TIMER *timer, unsigned int timeout)
{ {
timer->timeout = timeout; timer->timeout = timeout + timerctl.count;
timer->flags = TIMER_FLAGS_USING; timer->flags = TIMER_FLAGS_USING;
return; return;
} }
@@ -61,8 +61,7 @@ void inthandler20(int *esp)
timerctl.count++; timerctl.count++;
for (i = 0; i < MAX_TIMER; i++) { for (i = 0; i < MAX_TIMER; i++) {
if (timerctl.timer[i].flags == TIMER_FLAGS_USING) { if (timerctl.timer[i].flags == TIMER_FLAGS_USING) {
timerctl.timer[i].timeout--; if (timerctl.timer[i].timeout <= timerctl.count) {
if (timerctl.timer[i].timeout == 0) {
timerctl.timer[i].flags = TIMER_FLAGS_ALLOC; timerctl.timer[i].flags = TIMER_FLAGS_ALLOC;
fifo8_put(timerctl.timer[i].fifo, timerctl.timer[i].data); fifo8_put(timerctl.timer[i].fifo, timerctl.timer[i].data);
} }