全志A20 fex 解析示例源码

sys_config.fex

[board_para]
edp_bl_pwm_channel = 0
gpio_f_2 = port:PF02
gpio_f_3 = port:PF02
string_demo=string:abcd1234
===================================================

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1. void script_parser_fetch_test(){
   
2.  //获取GPIO
   
3.     user_gpio_set_t gpio_info[1];
   
4.     int ret;
   
5.     ret = script_parser_fetch("board_para", "pwm0", gpio_info, sizeof(user_gpio_set_t)/sizeof(int));
   
6.     if(ret < 0)
   
7.         printk("fetch script gpio infomation fail\n");
   
8.     else
   
9.         printk("fetch script gpio infomation ok \n");
   
10.  printk("[info] gpio_info.port=%04x,file=%s,fun=%s,line=%d\n",gpio_info[0].port,__FILE__ ,__func__,__LINE__);
    
11.  printk("[info] gpio_info.port_num=%04x,file=%s,fun=%s,line=%d\n",gpio_info[0].port_num,__FILE__ ,__func__,__LINE__);
    
12.  printk("[info] gpio_info.mul_sel=%04x,file=%s,fun=%s,line=%d\n",gpio_info[0].mul_sel,__FILE__ ,__func__,__LINE__);
    
13.  printk("[info] gpio_info.pull=%04x,file=%s,fun=%s,line=%d\n",gpio_info[0].pull,__FILE__ ,__func__,__LINE__);
    
14.  printk("[info] gpio_info.drv_level=%04x,file=%s,fun=%s,line=%d\n",gpio_info[0].drv_level,__FILE__ ,__func__,__LINE__);
    
15.  printk("[info] gpio_info.data=%04x,file=%s,fun=%s,line=%d\n",gpio_info[0].data,__FILE__ ,__func__,__LINE__);
    
16.  
    
17.  char string_info[128];
    
18.     memset(string_info, 0, 128);
    
19.     ret = script_parser_fetch("board_para", "string_demo", string_info, 128/sizeof(int));
    
20.     if(ret < 0)
    
21.         printk("fetch script string infomation fail\n");
    
22.  else
    
23.      printk("fetch script string infomation ok \n");
    
24.  printk("[info] string_info=%s,file=%s,fun=%s,line=%d\n",string_info,__FILE__ ,__func__,__LINE__);
    
25. 
    
26. 
    
27.  //获取子键个数
    
28.     int sub_key_count = script_parser_subkey_count ("board_para");
    
29.     if(sub_key_count < 0)
    
30.         printk("fetch script sub key count fail\n");
    
31.     else
    
32.      printk("[info] sub_key_count=%d,file=%s,fun=%s,line=%d\n",sub_key_count,__FILE__ ,__func__,__LINE__);
    
33. //获取主键个数
    
34. 
    
35. 
    
36.     int main_key_count = script_parser_mainkey_count();
    
37.     if(main_key_count < 0)
    
38.         printk("fetch script sub key count fail\n");
    
39.     else
    
40.         printk("[info] main_key_count=%d,file=%s,fun=%s,line=%d\n",main_key_count,__FILE__ ,__func__,__LINE__);
    
41. 
    
42. 
    
43.  
    
44. //获取主键下GPIO配置
    
45.     ret = script_parser_mainkey_get_gpio_cfg("board_para",gpio_info, 1);
    
46.     if(ret < 0)
    
47.         printk("fetch script gpio infomation fail\n");
    
48.     else{
    
49.         
    
50.  printk("script_parser_mainkey_get_gpio_cfg script gpio infomation ok \n");
    
51.  printk("[info] gpio_info.port=%04x,file=%s,fun=%s,line=%d\n",gpio_info[0].port,__FILE__ ,__func__,__LINE__);
    
52.  printk("[info] gpio_info.port_num=%04x,file=%s,fun=%s,line=%d\n",gpio_info[0].port_num,__FILE__ ,__func__,__LINE__);
    
53.  printk("[info] gpio_info.mul_sel=%04x,file=%s,fun=%s,line=%d\n",gpio_info[0].mul_sel,__FILE__ ,__func__,__LINE__);
    
54.  printk("[info] gpio_info.pull=%04x,file=%s,fun=%s,line=%d\n",gpio_info[0].pull,__FILE__ ,__func__,__LINE__);
    
55.  printk("[info] gpio_info.drv_level=%04x,file=%s,fun=%s,line=%d\n",gpio_info[0].drv_level,__FILE__ ,__func__,__LINE__);
    
56.  printk("[info] gpio_info.data=%04x,file=%s,fun=%s,line=%d\n",gpio_info[0].data,__FILE__ ,__func__,__LINE__);
    
57.     }
    
58. //获取主键下GPIO个数
    
59.     int gpio_key_count = script_parser_mainkey_get_gpio_count ("twi_para");
    
60.     if(gpio_key_count < 0)
    
61.         printk("fetch script sub key count fail\n");
    
62.     else
    
63.         printk("fetch script gpio key count ok , gpio_key_count = %d\n", gpio_key_count);
    
64. 
    
65. 
    
66. }