📄 main.lst
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C51 COMPILER V8.02 MAIN 03/21/2008 22:23:26 PAGE 1
C51 COMPILER V8.02, COMPILATION OF MODULE MAIN
OBJECT MODULE PLACED IN main.OBJ
COMPILER INVOKED BY: d:\Keil\C51\BIN\C51.EXE main.c BROWSE DEBUG OBJECTEXTEND
line level source
1 #include "AT89x51.h"
2 #include "string.h"
3 #include "intrins.h"
4 #include "DS1302.H"
5 #include "LCD1602.H"
6
7 unsigned char adj_time_flag; //0代表正常显示，1代表进入时间调整状态，相应位光标闪烁
8 unsigned char shanshuo_flag; //光标闪烁标志
9 unsigned char adj_time_section;
10 unsigned char add_OR_dec_flag; //直加减标志位，0表示加，1表示减
11 unsigned char time_count;
12 unsigned char read_rtc_code[7];
13 unsigned char read_rtc_address[7]={0x8d,0x89,0x87,0x8b,0x85,0x83,0x81};
14 /********1ms延时子程序***********/
15 delay_nms(unsigned int n)
16 {
17 1 unsigned int i;
18 1 unsigned char j;
19 1
20 1 for(i=0;i<n;i++)
21 1 for(j=0;j<120;j++)
22 1 ; //空操作
23 1 }
24 void Read_RTC(void) //读出DS1302里的相关信息，存放在read_rtd_code[]数组中
25 {
26 1 unsigned char i,*p;
27 1 p=read_rtc_address;
28 1 for(i=0;i<7;i++)
29 1 {
30 2 read_rtc_code[i]=R1302(*p);
31 2 p++;
32 2 }
33 1 }
34
35 //时间显示程序
36 void RTC_display(void)
37 {
38 1 Read_RTC();
39 1 LCD_write_char(0,0x02,(read_rtc_code[0]/16)); //年十位
40 1 LCD_write_char(0,0x03,(read_rtc_code[0]%16)); //年个位
41 1 LCD_write_char(0,0x05,(read_rtc_code[1]/16)); //月十位
42 1 LCD_write_char(0,0x06,(read_rtc_code[1]%16)); //月个位
43 1 LCD_write_char(0,0x08,(read_rtc_code[2]/16)); //日十位
44 1 LCD_write_char(0,0x09,(read_rtc_code[2]%16)); //日个位 // 因为定义时用16进制
45 1
46 1 LCD_write_char(0,0x0f,(read_rtc_code[3]%16)); //星期
47 1
48 1 LCD_write_char(1,0x05,(read_rtc_code[4]/16)); //时十位
49 1 LCD_write_char(1,0x06,(read_rtc_code[4]%16)); //时个位
50 1 LCD_write_char(1,0x08,(read_rtc_code[5]/16)); //分十位
51 1 LCD_write_char(1,0x09,(read_rtc_code[5]%16)); //分个位
52 1 LCD_write_char(1,0x0b,(read_rtc_code[6]/16)); //秒十位
53 1 LCD_write_char(1,0x0c,(read_rtc_code[6]%16)); //秒个位
54 1 }
55
C51 COMPILER V8.02 MAIN 03/21/2008 22:23:26 PAGE 2
56
57
58 //时间调整显示程序
59 void adj_time_display(void)
60 {
61 1 Read_RTC();
62 1 switch(adj_time_section)
63 1 {// write_lcd_command(0x83);
64 2 case 0x01:
65 2 if(shanshuo_flag==1)
66 2 lcd_displaystr(0,0x02," ");
67 2 else
68 2 RTC_display();break;
69 2
70 2 case 0x02:
71 2 if(shanshuo_flag==1)
72 2 lcd_displaystr(0,0x05," ");
73 2 else
74 2 RTC_display(); break;
75 2 case 0x03:
76 2 if(shanshuo_flag==1)
77 2 lcd_displaystr(0,0x08," ");
78 2 else
79 2 RTC_display();break;
80 2 case 0x04:
81 2 if(shanshuo_flag==1)
82 2 lcd_displaystr(0,0x0f," ");
83 2 else
84 2 RTC_display();break;
85 2 case 0x05:
86 2 if(shanshuo_flag==1)
87 2 lcd_displaystr(1,0x05," ");
88 2 else
89 2 RTC_display();break;
90 2 case 0x06:
91 2 if(shanshuo_flag==1)
92 2 lcd_displaystr(1,0x08," ");
93 2 else
94 2 RTC_display();break;
95 2 case 0x07:
96 2 if(shanshuo_flag==1)
97 2 lcd_displaystr(1,0x0b," ");
98 2 else
99 2 RTC_display();break;
100 2 default:break;
101 2
102 2 }
103 1 }
104
105 void system_initial(void)
106 {
107 1 initial_lcd1602(); //初始化LCD1602
108 1 }
109 void main(void)
110 {
111 1 TMOD=0X01;//使用定时器0，16位定时
112 1 TH0=(65535-50000)/256;
113 1 TL0=(65535-50000)%256;
114 1 ET0=1;
115 1 EA=1;
116 1 system_initial();
117 1 delay_nms(10);
C51 COMPILER V8.02 MAIN 03/21/2008 22:23:26 PAGE 3
118 1 delay_nms(10);
119 1
120 1 //输出显示
121 1 W1302(0x90,0xa5);//打开充电二级管 一个二级管串联一个2K电阻
122 1 W1302(0x8e,0x80);//写保护，禁止写操作
123 1
124 1 {
125 2 lcd_displaystr(0,0x00,"20");
126 2 delay_nms(10);
127 2 lcd_displaystr(0,0x04,"-");
128 2 delay_nms(10);
129 2 lcd_displaystr(0,0x07,"-");
130 2 lcd_displaystr(0,0x0b,"Week:");
131 2 lcd_displaystr(1,0x00,"Time ");
132 2 lcd_displaystr(1,0x07,":");
133 2 lcd_displaystr(1,0x0a,":");
134 2 }
135 1 while(1)
136 1 {
137 2 //按键扫描程序
138 2 if(P2_0==0)
139 2 {
140 3 delay_nms(10);
141 3 if(P2_0==0)
142 3 {
143 4 TR0=1;
144 4 adj_time_section++; //光标移位
145 4 if(adj_time_section==8)
146 4 {adj_time_section=0;TR0=0;}
147 4 while(P2_0==0);
148 4 }
149 3 }
150 2 if(P2_1==0) //加按键
151 2 {
152 3 delay_nms(10);
153 3 if(P2_1==0)
154 3 {
155 4 add_OR_dec_flag=0;
156 4 Set(adj_time_section,add_OR_dec_flag);//调用时间调整子程序，此程序在DS1302.H文件中
157 4 while(P2_1==0);
158 4 }
159 3 }
160 2 if(P2_2==0)
161 2 {
162 3 delay_nms(10);
163 3 if(P2_2==0)
164 3 {
165 4
166 4 add_OR_dec_flag=1;
167 4 Set(adj_time_section,add_OR_dec_flag);//调用时间调整子程序,此程序在DS1302.H文件中
168 4 while(P2_2==0);
169 4 }
170 3 }
171 2
172 2
173 2
174 2
175 2 if(adj_time_section==0)//正常时间显示
176 2 RTC_display();
177 2 else //时间调整时候时间显示
178 2 adj_time_display();
179 2
C51 COMPILER V8.02 MAIN 03/21/2008 22:23:26 PAGE 4
180 2
181 2 }
182 1
183 1 }
184
185 void t0_ovf(void) interrupt 1 //中断主要是位在时间调整的时候，调整相应位会闪烁
186 {
187 1
188 1 TH0=(65535-50000)/256;
189 1 TL0=(65535-50000)%256;
190 1 time_count++;
191 1 if(time_count==10)
192 1 shanshuo_flag=1;
193 1 if(time_count==20)
194 1 {time_count=0;shanshuo_flag=0;}
195 1
196 1 }
MODULE INFORMATION: STATIC OVERLAYABLE
CODE SIZE = 1085 ----
CONSTANT SIZE = 24 ----
XDATA SIZE = ---- ----
PDATA SIZE = ---- ----
DATA SIZE = 26 1
IDATA SIZE = ---- ----
BIT SIZE = 7 ----
END OF MODULE INFORMATION.
C51 COMPILATION COMPLETE. 0 WARNING(S), 0 ERROR(S)
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