예제 #1
0
PUBLIC void
schedule(void)
    /* find another runnable thread */
{
    struct thread *t;
    int i;

    need_reschedule=0;
    again:
    check_alarms();
    for (i=0; i < MAX_THREADS; i++) {
	last_run = (last_run+1) % MAX_THREADS;     /* wrap around */
	t = thread_table + last_run;
	if (t->status == THREAD_READY) break;
    }
    if (i == MAX_THREADS) {
	if (to_alarm) {
	    sleep(1);  /*!!!*/
	    goto again;
	}
	if (alive) panic("No thread runnable, %d alive\n", alive);
	else exit(0);   /* All threads dead */
    }
    if (DEBUG_LEVEL >=2)
	printf("Now scheduling %d\n", t - thread_table);
    else run_thread(t - thread_table);

    /* return to calling thread */
}
예제 #2
0
void do_tick()
{
	if(!current_task || (kernel_state_flags&KSF_PANICING))
		return;
	if(!(((cpu_t *)current_task->cpu)->flags & CPU_TASK))
		return;
	if(current_task) {
		current_task->system 
			? (++current_task->stime) 
			: (++current_task->utime);
		inc_parent_times(current_task->parent, 
			current_task->system ? __SYS : __USR);
	}
	check_alarms();
	if(current_task != kernel_task) {
		if(task_is_runable(current_task) && current_task->cur_ts>0 
				&& --current_task->cur_ts)
			return;
		else if(current_task->cur_ts <= 0)
			current_task->cur_ts = GET_MAX_TS(current_task);
	}
	do_run_scheduler();
}
예제 #3
0
파일: task.c 프로젝트: eruanno123/smart-pht
void Task_SmartPHTApp(void)
{
    message_t msg;
    adc_voltages_t *v;
    sensor_data_t *c;
    byte_t comRecvByte;
  
    if (knl_mailbox_pend(&taskMailbox, &msg) == RV_OK) {
        switch (msg.MsgId) {
            case MSG_ID_SYS_VOLTAGE_UPDATE:
                v = (adc_voltages_t*) msg.Param0;
                //tiny_printf("SYS: Vbat=%dmV, Vcc=%dmV, Vdd=%dmV, Vtft=%dmV\n", v->vbat, v->vcc, v->vdd, v->vtft);

//                if(v->vdd < 3000)
//                    tty_output("SYS: system voltage is low!\n");
//                if(v->vbat < 3300)
//                    tty_output("SYS: BATTERY LOW! replace or battery can be damaged\n");

                break;

            case MSG_ID_SYS_BATTERY_STAT:
//                if(msg.Param0 == BAT_CHARGE_COMPLETE)
//                    tty_output("SYS: battery charge complete.\n");
//                if(msg.Param0 == BAT_CHARGING)
//                    tty_output("SYS: charging...\n");
//                if(msg.Param0 == BAT_SHUTDOWN)
//                    tty_output("SYS: charger shtdn.\n");
//                break;
                break;

            case MSG_ID_USB_STATE_CHANGED:
                handle_usb_change(msg.Param0);
                break;

            case MSG_ID_SENSOR_UPDATE:
                c = (sensor_data_t*) msg.Param0;

                filter(&dashboardData.pressure, c->compensated.hp_pressure);
                filter(&dashboardData.humidity, c->compensated.sht_humidity);
                filter(&dashboardData.temperature, c->compensated.sht_temperature);

                update_min_max(&dashboardData.pressure);
                update_min_max(&dashboardData.humidity);
                update_min_max(&dashboardData.temperature);

                check_alarms();

                // update waveforms
                wfrm_put_sample(&wfrmPressure, dashboardData.pressure.val);
                wfrm_put_sample(&wfrmHumidity, dashboardData.humidity.val);
                wfrm_put_sample(&wfrmTemperature, dashboardData.temperature.val);

                // Write to file
                write_samples_to_file(c, (rtc_time_t*) msg.Param1);

                gui_invalidate(&dashb);
                gui_invalidate(&lineplot);
                break;

            case MSG_ID_MEDIA_DETECTED:
                //tty_output("SDCARD: inserted.");
                //if(msg.Param0) tty_output(" Card is write protected!");
                //tty_output("\n");

                sd_register();

                f_close(&samplesFile);

                // Mount filesystem
                f_mount(0, &filesystem);

                // Try open file;
                sampleFileIsOpen = try_open_file();
                
                // Change statusbar
                toolbar_set_status(&statusbar, STATUS_SDCARD_PRESENT);
                break;

            case MSG_ID_MEDIA_DISAPPEARED:
                //tty_output("SDCARD: removed\n");

                // Dismount file system
                f_mount(0, NULL);
                
                // Change statusbar
                toolbar_clear_status(&statusbar, STATUS_SDCARD_PRESENT);
                break;

            case MSG_ID_WDG_PRESSED:
                handle_button_press_event(msg.Param0);
                break;

            case MSG_ID_WDG_DELAYED_OP:
                handle_delayed_operation_event(msg.Param0);
                break;

            case MSG_ID_WDG_CHECKED:
                handle_button_checked_event(msg.Param0);
                break;

            case MSG_ID_WDG_INVALIDATE:     // GUI needs to be redrawn
                gui_draw();
                break;

            case MSG_ID_LPM_REQUEST:
                enter_sleep_mode();
                break;

            case MSG_ID_TOUCH_EVENT:

//                // Draw cursor
//                if(msg.Param0 == TOUCH_EVENT_PANEL_PRESSED)
//                {
//                    uint16_t i, j;
//                    i = msg.Param1;
//                    j = msg.Param2;
//
//                    if(i < 12) i = 12;
//                    else if(i > 467) i = 467;
//                    if(j < 12) j = 12;
//                    else if(j > 260) j = 260;
//
//                    gfx_set_color(COLOR_WHITE);
//                    gfx_draw_circle(i, j , 10);
//                }

                if(!darkenScreen)
                {
                    set_brightness(lightenBrightness);
                }
                darkenScreen = bTrue;
                // no break, gui must get this msg too
                
            default:
                gui_msg(&msg);
                break;
        }
    }

    // COMMAND PARSER
    if(usb_device_state == CONFIGURED_STATE)
        if (poll_getc_cdc(&comRecvByte)) {
            putc_cdc(comRecvByte); // echo
            CDC_Flush_In_Now();		

            cmd_parse_char(comRecvByte);
        }
}