1. #include "ADS1232.H"
   
2. #include "port.h"
   
3. 
   
4. 
   
5. /*
   
6. sbit ADS1232_DOUT  = P2^0;
   
7. sbit ADS1232_SCLK  = P2^1;
   
8. sbit ADS1232_PWDN  = P2^2;
   
9. sbit ADS1232_SPEED = P2^3;
   
10. sbit ADS1232_GAIN1 = P2^4;
    
11. sbit ADS1232_GAIN0 = P2^5;
    
12. sbit ADS1232_A0    = P2^6;
    
13. sbit ADS1232_TEMP  = P2^7;
    
14. */
    
15. 
    
16. #define ADS1232_SCLK_HIGH    do{ADS1232_SCLK=1;}while(0);
    
17. #define ADS1232_SCLK_LOW     do{ADS1232_SCLK=0;}while(0);
    
18. #define ADS1232_PWDN_HIGH    do{ADS1232_PWDN=1;}while(0);
    
19. #define ADS1232_PWDN_LOW     do{ADS1232_PWDN=0;}while(0);
    
20. #define ADS1232_SPEED_HIGH   do{ADS1232_SPEED=1;}while(0);
    
21. #define ADS1232_SPEED_LOW    do{ADS1232_SPEED=0;}while(0);
    
22. #define ADS1232_GAIN1_HIGH   do{ADS1232_GAIN1=1;}while(0);
    
23. #define ADS1232_GAIN1_LOW    do{ADS1232_GAIN1=0;}while(0);
    
24. #define ADS1232_GAIN0_HIGH   do{ADS1232_GAIN0=1;}while(0);
    
25. #define ADS1232_GAIN0_LOW    do{ADS1232_GAIN0=0;}while(0);
    
26. #define ADS1232_A0_HIGH      do{ADS1232_A0=1;}while(0);
    
27. #define ADS1232_A0_LOW       do{ADS1232_A0=0;}while(0);
    
28. #define ADS1232_TEMP_HIGH    do{ADS1232_TEMP=1;}while(0);
    
29. #define ADS1232_TEMP_LOW     do{ADS1232_TEMP=0;}while(0);
    
30. 
    
31. void ADS1232_init(unsigned char channel, unsigned char gain, unsigned char speed, unsigned char temp)
    
32. {
    
33.     ADS1232_SCLK = 0;
    
34.     ADS1232_PWDN_LOW;
    
35.     if(channel==CHANNEL1)
    
36.     {
    
37.         ADS1232_A0_LOW;
    
38.     }
    
39.     else if(channel==CHANNEL2)
    
40.     {
    
41.         ADS1232_A0_HIGH;
    
42.     }
    
43.    
    
44.     if(GAIN_1==gain)
    
45.     {
    
46.         ADS1232_GAIN1_LOW;
    
47.         ADS1232_GAIN0_LOW;
    
48.     }
    
49.     else if(GAIN_2==gain)
    
50.     {
    
51.         ADS1232_GAIN1_LOW;
    
52.         ADS1232_GAIN0_HIGH;
    
53.     }
    
54.     else if(GAIN_64==gain)
    
55.     {
    
56.         ADS1232_GAIN1_HIGH;
    
57.         ADS1232_GAIN0_LOW;
    
58.     }
    
59.     else if(GAIN_128==gain)
    
60.     {
    
61.         ADS1232_GAIN1_HIGH;
    
62.         ADS1232_GAIN0_HIGH;
    
63.     }
    
64.    
    
65.     if(SPEED_10==speed)
    
66.     {
    
67.         ADS1232_SPEED_LOW;
    
68.     }
    
69.     else if(SPEED_80==speed)
    
70.     {
    
71.         ADS1232_SPEED_HIGH;
    
72.     }
    
73.    
    
74.     if(TEMP_ON==temp)
    
75.     {
    
76.         ADS1232_TEMP_HIGH;
    
77.     }
    
78.     else if(TEMP_OFF==temp)
    
79.     {
    
80.         ADS1232_TEMP_LOW;
    
81.     }
    
82.    
    
83.     ADS1232_PWDN_HIGH;
    
84. }
    
85. 
    
86. 
    
87. char ADS1232_read_value(long int *value)
    
88. {
    
89.     long int temp=0;
    
90.     unsigned char i=0;
    
91.    
    
92.     if(ADS1232_READY==ADS1232_DOUT)
    
93.     {
    
94.         ADS1232_SCLK_LOW;
    
95.         for(i=0; i<24; i++)
    
96.         {
    
97.             ADS1232_SCLK_HIGH;
    
98.             temp <<= 1;
    
99.             if(1==ADS1232_DOUT)
    
100.             {
     
101.                 temp |= 0x01;
     
102.             }
     
103.             ADS1232_SCLK_LOW;
     
104.         }
     
105.         ADS1232_SCLK_HIGH;  // The 25th SCLK to force DOUT high
     
106.         ADS1232_SCLK_LOW;
     
107.         if((temp&0x800000)==0x800000)
     
108.         {
     
109.             temp ^= 0Xffffff;
     
110.             temp = -(temp+1);
     
111.         }
     
112.         *value = temp;
     
113.         return ADS1232_READ_FINISH;
     
114.     }
     
115.     else
     
116.     {
     
117.         return ADS1232_BUSY;
     
118.     }
     
119. }
     

复制代码下面是ADS1232的驱动代码

主函数也来了

1. int main(void)
   
2. {
   
3.         signed char brightness=8;
   
4.     long int num = 0;
   
5.     int i=-20;
   
6.     char temp=0;
   
7.         TM1638_init();
   
8.         TM1638_set_brightness(4);
   
9.         uart_init(9600);
   
10.     timer_init();
    
11.     ADS1232_init(CHANNEL2, GAIN_128, SPEED_10, TEMP_OFF);
    
12. 
    
13.     EA = 1;
    
14.     while(1)
    
15.     {
    
16.         communicate_with_HMI();
    
17.         TM1638_display_num(i++);
    
18.         timer0_main_loop();
    
19.         key_main_loop();
    
20.         if(key1_on)
    
21.         {
    
22.             LED1 = ~LED1;
    
23.         }
    
24.         temp = ADS1232_read_value(&num);
    
25.         if(temp==ADS1232_READ_FINISH)
    
26.         {
    
27.             printf("%8ld ", num);
    
28.         }
    
29.         if(f_1s)
    
30.         {
    
31.             LED2 = ~LED2;
    
32.         }
    
33.     }
    
34. }

复制代码

顶一下吧，希望有人能指点一下。

做这么高精度的采集，7805供电好像不好吧。

你传感器是不是没安装好？还需要一个东西把传感器“托”起来的。