上面的代码不全， 补上

1. if(SD_ReadDisk(lcd_send_buf1,240*(PIC_TOTAL+10),1)==0)
   
2. {
   
3. sd_select=lcd_send_buf1[0];
   
4. if(sd_select>=PIC_TOTAL )
   
5. {
   
6. lcd_send_buf1[0]=0x00;
   
7. SD_WriteDisk(lcd_send_buf1,240*(PIC_TOTAL+10),1);
   
8. sd_select=0;
   
9. }
   
10. }
    
11. //show_sdcard_info();         
    
12. EXTI8_Init();       
    
13. OV7670_CS=0;       
    
14. 
    
15. config_ov7670_OutPut(20,60,user_width,user_heigh,0);
    
16. while(1)
    
17. {
    
18. if(USART_RX_END==1)
    
19. {
    
20. switch(USART_RX_BUF[5])
    
21. {
    
22. case 0x2c:
    
23. clear_display();
    
24. pixel_ch_flag+=1;//!pixel_ch_flag;
    
25. if(pixel_ch_flag>3)
    
26. pixel_ch_flag=0;
    
27. if(pixel_ch_flag==1)
    
28. {
    
29. user_width=160;
    
30. user_heigh=160;
    
31. }
    
32. else if(pixel_ch_flag==2)
    
33. {
    
34. user_width=80;
    
35. user_heigh=80;       
    
36. }
    
37. else if(pixel_ch_flag==3)
    
38. {
    
39. user_width=320;
    
40. user_heigh=240;
    
41. }
    
42. else
    
43. {
    
44. user_width=240;
    
45. user_heigh=240;
    
46. }
    
47. 
    
48. config_ov7670_OutPut(20,60,user_width,user_heigh,0);
    
49. if(user_effect_flag)
    
50. OV7670_Special_Effects(1);
    
51. else
    
52. OV7670_Special_Effects(0);
    
53. break;
    
54. 
    
55. case 0x2b:
    
56. user_effect_flag=!user_effect_flag;
    
57. if(user_effect_flag)
    
58. OV7670_Special_Effects(1);
    
59. else
    
60. OV7670_Special_Effects(0);
    
61. break;
    
62. 
    
63. case 0x2a:
    
64. if(user_width!=240)break;
    
65. 
    
66. if(img_dis_cnt==0)
    
67. {
    
68. img_dis_cnt=1;
    
69. }
    
70. else
    
71. {
    
72. if(SD_ReadDisk(lcd_send_buf1,240*(PIC_TOTAL+10),1)==0)
    
73. {
    
74. if(lcd_send_buf1[0]>=PIC_TOTAL)
    
75. {
    
76. lcd_send_buf1[0]=PIC_TOTAL;
    
77. sd_select=1;
    
78. }
    
79. else
    
80. {
    
81. sd_select=lcd_send_buf1[0]+1;
    
82. lcd_send_buf1[0]=sd_select;
    
83. }
    
84. SD_WriteDisk(lcd_send_buf1,240*(PIC_TOTAL+10),1);
    
85. user_save_image();
    
86. //sd_select=lcd_send_buf1[0];
    
87. }
    
88. }
    
89. break;
    
90. case 0x2d:
    
91. if(SD_ReadDisk(lcd_send_buf1,240*(PIC_TOTAL+10),1)==0)
    
92. {
    
93. if(lcd_send_buf1[0]==0)
    
94. break;
    
95. else
    
96. {
    
97. sd_select-=1;
    
98. if(sd_select==0)sd_select=lcd_send_buf1[0];
    
99. }
    
100. if(sd_select>lcd_send_buf1[0])
     
101. sd_select=1;
     
102. }
     
103. if(user_width==320)
     
104. clear_display();
     
105. read_image();
     
106. img_dis_cnt=0;
     
107. break;
     
108. 
     
109. case 0x2e:
     
110. if(SD_ReadDisk(lcd_send_buf1,240*(PIC_TOTAL+10),1)==0)
     
111. {
     
112. if(lcd_send_buf1[0]==0)
     
113. break;
     
114. if(sd_select>=lcd_send_buf1[0])
     
115. {
     
116. sd_select=1;
     
117. }
     
118. else
     
119. {
     
120. sd_select+=1;
     
121. }
     
122. }
     
123. if(user_width==320)
     
124. clear_display();
     
125. read_image();
     
126. img_dis_cnt=0;
     
127. break;
     
128. case 0x2f:
     
129. img_dis_cnt=0;
     
130. break;
     
131. default:
     
132. break;
     
133. }
     
134. USART_RX_END=0;
     
135. USART_RX_STA=0;
     
136. }
     
137. else
     
138. {
     
139. //        USART_RX_END=0;
     
140. //        USART_RX_STA=0;
     
141. if(img_dis_cnt==1)
     
142. camera_refresh();
     
143. }
     
144. }
     
145. }

复制代码

最后把代码下载到STM32芯片中，然后把做好的电路板和显示屏连接，并且保证供电稳定，就可以通过STONE显示模组看到VO7670拍摄到的图片了。

运行效果图