#include <stdio.h>
#include <absacc.h>
#include <stdarg.h>
#include <./Atmel/at89x52.h>
#include "source.h"	
/*為屏幕的下部分顯示時間、信息的區(qū)域顯示函數(shù)*/
bit screen_hbs(void){
	static unsigned char inf_seq=0;
	unsigned char local_msg;
	local_msg=read_hbs_msg();//讀其消息隊列
	if(local_msg){//如果返回值為非0，則消息不為空
		switch(local_msg){
			case MSG_HBS_INFO_CLEAR:
				switch(screen.hbs_fsm){
					case FSM_HBS_CLEAR:
						break;
					default:
						clr_notice();
						change_hbs_fsm(FSM_HBS_CLEAR);
						break;
				}
				break;
			case MSG_HBS_INFO_SHOW:
				switch(screen.hbs_fsm){
					case FSM_HBS_INFO:
						break;
					default:					
						clr_notice();	//清除以前的信息
						inf_seq=0;
						show_elvinfo(show_notice.ognd+inf_seq);	//顯示第一條信息
						change_hbs_fsm(FSM_HBS_INFO);//把狀態(tài)轉(zhuǎn)換為顯示信息狀態(tài)
						break;
			   	}
				break;
			case MSG_HBS_INFO_CHANGE:
				switch(screen.hbs_fsm){
					case FSM_HBS_INFO://循環(huán)顯示從1到9的信息
						clr_notice();//清除以前的信息
						inf_seq++;
						inf_seq %=10;
						show_elvinfo(show_notice.ognd+inf_seq);//顯示下一條信息
						break;
				}
				break;
			case MSG_HBS_UPD_TIME://更新時間
				break;
			case MSG_HBS_UPD_TEMPE://更新溫度
				show_wd(others.temperature);
				break;
			default:
				break;
		}
		return 1;
	}
	else{
		return 0;
	}
}
/*為屏幕顯示箭頭的區(qū)域*/
bit screen_status(void){
	static 	unsigned char move_step=(STATAREA_HEIGHT-ARROW_HEIGHT)/3-1;
	unsigned char this_msg;
	this_msg=read_status_msg();//讀其消息隊列
	if(this_msg){
		switch(this_msg){
			case MSG_STATUS_UP://為顯示箭頭向上的消息
				switch(screen.status_fsm){
					case FSM_STATUS_UP:
						break;
					default:
						clr_area(STATAREA_LEFT,STATAREA_TOP,STATAREA_WIDTH,STATAREA_HEIGHT);
						draw_uparrow(POS_ARROW_ORGX,STATAREA_TOP+STATAREA_HEIGHT-ARROW_HEIGHT);
						scentry.arrow_cur_top=STATAREA_TOP+STATAREA_HEIGHT-ARROW_HEIGHT;
						change_status_fsm(FSM_STATUS_UP);
						break;
				}
				break;
			case MSG_STATUS_DOWN://為顯示箭頭向下的消息
				switch(screen.status_fsm){
					case FSM_STATUS_DOWN:
						break;
					default:
						clr_area(STATAREA_LEFT,STATAREA_TOP,STATAREA_WIDTH,STATAREA_HEIGHT);
						draw_downarrow(POS_ARROW_ORGX,STATAREA_TOP);
						scentry.arrow_cur_top=STATAREA_TOP;
						change_status_fsm(MSG_STATUS_DOWN);
						break;
				
				}
				break;
			case MSG_STATUS_CLEAR://為清除箭頭的消息
				switch(screen.status_fsm){
					case FSM_STATUS_CLR:
						break;
					default:
						/*清除顯示箭頭的區(qū)域*/
						clr_area(STATAREA_LEFT,STATAREA_TOP,STATAREA_WIDTH,STATAREA_HEIGHT);
						change_status_fsm(FSM_STATUS_CLR);
						break;
				
				}
				break;
			case MSG_STATUS_MOVE://箭頭移動
				switch(screen.status_fsm){
					case FSM_STATUS_DOWN:
						if(scentry.arrow_cur_top+move_step+ARROW_HEIGHT>STATAREA_HEIGHT+STATAREA_TOP){
							//已經(jīng)到達箭頭顯示區(qū)域的最低部，箭頭停止
						}
						else{//向下移動箭頭，在移動箭頭時沒有清除以前的箭頭，可以看出其移動軌跡
							set_timer(MOVE_TIMER,MOVE_TIME_LENGTH);
							scentry.arrow_cur_top +=move_step;
							draw_downarrow(POS_ARROW_ORGX,scentry.arrow_cur_top);			
						}
						break;
					case FSM_STATUS_UP:
						if(scentry.arrow_cur_top<(move_step+STATAREA_TOP)){
							//已經(jīng)到達箭頭顯示區(qū)域的最頂部，箭頭停止
						}
						else{//向上移動箭頭，在移動箭頭時沒有清除以前的箭頭，可以看出其移動軌跡
							set_timer(MOVE_TIMER,MOVE_TIME_LENGTH);
							scentry.arrow_cur_top -=move_step;			
							draw_uparrow(POS_ARROW_ORGX,scentry.arrow_cur_top);			
						}		
						break;
			   	}
				break;
			default:
				break;
		}
		return 1;
	}
	else{
		return 0;
   	}
}