📄 main.lst
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C51 COMPILER V8.08 MAIN 10/01/2008 23:53:31 PAGE 1
C51 COMPILER V8.08, COMPILATION OF MODULE MAIN
OBJECT MODULE PLACED IN MAIN.OBJ
COMPILER INVOKED BY: C:\Keil\C51\BIN\C51.EXE MAIN.C BROWSE DEBUG OBJECTEXTEND
line level source
1
2 /***********************************************************************
3 名字： main.c
4 作者： 春风
5 创建日：2008-8-15
6 工程： 数控稳压电源
7 ***********************************************************************/
8
9 #include"reg52.h"
10 //#include"math.h"
11 #include"stdlib.h"
12 #include"function.h"
13
14
15 sbit RS = P1^4;
16 sbit RW = P1^5;
17 sbit E = P1^6;
18
19 #define DBUS P0
20 sbit clk_574_1 = P2^3;
21 //sbit clk_574_2 = P1^3;
22 //sbit lcd_rs = P1^4;
23
24 uint idac;
25
26
27 idata uchar GOUT[7];
28 idata float temp1;
29 idata float dac_temp;
30 idata float sheding_temp;
31 idata float sheding_temp1;
32 char code dx516[3] _at_ 0x003b;//这是为了仿真设置的(大虾仿真器)
33
34 /************************************************************************************
35 把浮点数拆开存储指针型数据
36 输入浮点数，方式0：设定值，1：检测值
37 ************************************************************************************/
38 void chai(float x,bit y)
39 {
40 1 uint i;
41 1 for(i = 0;i < 7;i ++)
42 1 GOUT[i] = 0;
43 1 if(y == 0)
44 1 {
45 2 i = x / 10;
46 2 if(i == 0)
47 2 GOUT[0] = ' ';
48 2 else
49 2 GOUT[0] = i + '0';
50 2 GOUT[1] = (int)x % 10 + '0';
51 2 x = x * 10;
52 2 GOUT[3] = (int)x % 10 + '0';
53 2
54 2 x = x * 10;
55 2 if(((int)x % 10) >= 5 )// 防止后面大于4的数被舍去
C51 COMPILER V8.08 MAIN 10/01/2008 23:53:31 PAGE 2
56 2 {GOUT[3] = GOUT[3] + 1;}
57 2 else
58 2 {;}
59 2
60 2 GOUT[4] = ' ';
61 2 GOUT[5] = ' ';
62 2 }
63 1 else
64 1 {
65 2 i = x / 10;
66 2 if(i == 0)
67 2 GOUT[0] = ' ';
68 2 else
69 2 GOUT[0] = i + '0';
70 2 GOUT[1] = (int)x % 10 + '0';
71 2 x = x * 10;
72 2 GOUT[3] = (int)x % 10 + '0';
73 2 x = x * 10;
74 2 GOUT[4] = (int)x % 10 + '0';
75 2 x = (x * 10);
76 2 GOUT[5] = (unsigned int)x % 10 + '0';
77 2 }
78 1 GOUT[2] = '.';
79 1 GOUT[6] = '\0';
80 1 }
81
82 /************************************************************************************
83
84 //向LCM发送一个字符串,长度64字符之内。
85
86 ************************************************************************************/
87 void lcm_w_word(uchar x,uchar y,uchar *str)
88 {
89 1 x = x+y;
90 1 w_code(x);
91 1 while(*str != '\0')
92 1 {
93 2 w_data(*str++);
94 2 }
95 1 *str = 0;
96 1 }
97 /************************************************************************************
98 显示设定电压
99 ************************************************************************************/
100 void disp_sheding()
101 {
102 1 lcm_w_word(0x90,0x00,"设定：");
103 1 sheding_temp1 = sheding_temp + 0.0005;//------加0.0005修正有时显示.0999
104 1 chai(sheding_temp1,1);
105 1 lcm_w_word(0x90,3,GOUT);
106 1 w_code(0x96);
107 1 w_data('V');
108 1 }
109 /************************************************************************************
110 AD的16位整形数转换成浮点电压或电流值
111 ************************************************************************************/
112 float adjisuan_U(uint x)
113 {
114 1 temp1 = 11.990 / 0x5e1f;
115 1 temp1 = x * temp1;
116 1 return temp1;
117 1 }
C51 COMPILER V8.08 MAIN 10/01/2008 23:53:31 PAGE 3
118
119 float adjisuan_I(uint x) //
120 {
121 1 temp1 = 0.899 / 0x253d;
122 1 temp1 = (x * temp1)-0.005;
123 1 return temp1;
124 1 }
125 /************************************************************************************
126 *
127 *函数功能:输入浮点数
128 *
129 ************************************************************************************/
130 float scanf_float(void)
131 {
132 1 static uchar i = 0;
133 1 static uchar x[5] = {'0','0','0','0','0'};
134 1 static bit k = 1;
135 1 uchar temp1,temp2;
136 1 temp1 = key_sm();
137 1 temp2 = key_sm();
138 1 if((temp2 == 0xff) || (temp1 != temp2))
139 1 {
140 2 k = 1;
141 2 return(atof(x));
142 2 }
143 1 else if(k)
144 1 {
145 2 k = 0;
146 2 x[i] = temp1;
147 2 i ++;
148 2 if((temp1 == key_esc) || (i == 4))
149 2 {
150 3 x[0] = '0';
151 3 x[1] = '0';
152 3 x[2] = '0';
153 3 x[3] = '0';
154 3 x[4] = '0';
155 3 i = 0;
156 3 }
157 2 return(atof(x));
158 2 }
159 1 }
160
161 /************************************************************************************
162
163 扫描按键，并根据键值修改DAC的电压
164
165 ************************************************************************************/
166 void key_dac()
167 {
168 1 uchar key_qiao;
169 1 key_qiao = key_sm();
170 1 switch(key_sm())
171 1 {
172 2 case key_shang:dac_temp = dac_temp + 1.0;break;//---按下上键电压加1V
173 2 case key_xia :dac_temp = dac_temp - 1.0;break;//---按下下键电压减1
174 2 case key_zuo :dac_temp = dac_temp - 0.1;break;//---按下左键电压减0.1
175 2 case key_you :dac_temp = dac_temp + 0.1;break;//---按下右键电压加0.1
176 2 case key_0 :dac_temp = 0; break;//---按下0键电压归0
177 2 default: key_qiao = 0xff;
178 2 }
179 1 if(key_qiao != 0xff) // 10月1日 这里原来是0x00就读AD不正常
C51 COMPILER V8.08 MAIN 10/01/2008 23:53:31 PAGE 4
180 1 {
181 2 RS = 1;
182 2 RW = 0; //--------避免液晶屏干扰数据总线
183 2 if(dac_temp < 0){dac_temp = 0;} //----判断电压低于0大于30时把数据归0
184 2 if(dac_temp >= 30.10){dac_temp = 0;}
185 2 sheding_temp = dac_temp ;
186 2 disp_sheding();
187 2 idac = conver(dac_temp);
188 2 dac(idac);
189 2 delay(50000);
190 2 }
191 1 }
192 /************************************************************************************
193 主函数
194 ************************************************************************************/
195 main()
196 {
197 1
198 1 lcd_rst(0);
199 1 rst_ad();
200 1 dac_temp = 0 ;
201 1 RS = 1;
202 1 RW = 0; //--------避免液晶屏干扰数据总线
203 1 dac(conver(dac_temp)); //吸合低压继电器并输出0V
204 1 LED_ONOFF(1);// 打开背光源
205 1 set_7705_ch(0);
206 1 read_AD_data(0x38);
207 1 set_7705_ch(1);
208 1 read_AD_data(0x39);
209 1
210 1 disp_sheding();//显示设定电压
211 1 while(1)
212 1 {
213 2 lcm_w_word(0x80,0x02,"稳压电源");
214 2 lcm_w_word(0x90,0x00,"设定：");
215 2 lcm_w_word(0x88,0x00,"电压：");
216 2 lcm_w_word(0x98,0x00,"电流：");
217 2
218 2 write_ad(0x10);
219 2 write_ad(0x04);
220 2 adjisuan_U(read_AD_data(0x38));
221 2 chai(temp1,1);
222 2 lcm_w_word(0x88,3,GOUT);
223 2 key_dac();
224 2
225 2 write_ad(0x11);
226 2 write_ad(0x14);
227 2 adjisuan_I(read_AD_data(0x39));
228 2 chai(temp1,1);
229 2 lcm_w_word(0x98,3,GOUT);
230 2 key_dac();
231 2
232 2 }
233 1
234 1 }
MODULE INFORMATION: STATIC OVERLAYABLE
CODE SIZE = 1089 ----
CONSTANT SIZE = 30 ----
XDATA SIZE = ---- ----
PDATA SIZE = ---- ----
C51 COMPILER V8.08 MAIN 10/01/2008 23:53:31 PAGE 5
DATA SIZE = 8 11
IDATA SIZE = 23 ----
BIT SIZE = 1 1
END OF MODULE INFORMATION.
C51 COMPILATION COMPLETE. 0 WARNING(S), 0 ERROR(S)
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