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<2><1><2>
gpio_f_3 = port:PF02<2><1><2>
string_demo=string:abcd1234
===================================================

void  script_parser_fetch_test(){
 //获取GPIO
    user_gpio_set_t  gpio_info[1];
    int ret;
    ret = script_parser_fetch("board_para", "pwm0", gpio_info, sizeof(user_gpio_set_t)/sizeof(int));
    if(ret < 0)
        printk("fetch script gpio infomation fail\n");
    else
        printk("fetch script gpio infomation ok \n");
 printk("[info] gpio_info.port=%04x,file=%s,fun=%s,line=%d\n",gpio_info[0].port,__FILE__ ,__func__,__LINE__);
 printk("[info] gpio_info.port_num=%04x,file=%s,fun=%s,line=%d\n",gpio_info[0].port_num,__FILE__ ,__func__,__LINE__);
 printk("[info] gpio_info.mul_sel=%04x,file=%s,fun=%s,line=%d\n",gpio_info[0].mul_sel,__FILE__ ,__func__,__LINE__);
 printk("[info] gpio_info.pull=%04x,file=%s,fun=%s,line=%d\n",gpio_info[0].pull,__FILE__ ,__func__,__LINE__);
 printk("[info] gpio_info.drv_level=%04x,file=%s,fun=%s,line=%d\n",gpio_info[0].drv_level,__FILE__ ,__func__,__LINE__);
 printk("[info] gpio_info.data=%04x,file=%s,fun=%s,line=%d\n",gpio_info[0].data,__FILE__ ,__func__,__LINE__);

 char  string_info[128];
    memset(string_info, 0, 128);
    ret = script_parser_fetch("board_para", "string_demo", string_info, 128/sizeof(int));
    if(ret < 0)
        printk("fetch script string infomation fail\n");
 else
     printk("fetch script string infomation ok \n");
 printk("[info] string_info=%s,file=%s,fun=%s,line=%d\n",string_info,__FILE__ ,__func__,__LINE__);


 //获取子键个数
    int sub_key_count = script_parser_subkey_count ("board_para");
    if(sub_key_count < 0)
        printk("fetch script sub key count fail\n");
    else
     printk("[info] sub_key_count=%d,file=%s,fun=%s,line=%d\n",sub_key_count,__FILE__ ,__func__,__LINE__);
//获取主键个数


    int main_key_count = script_parser_mainkey_count();
    if(main_key_count < 0)
        printk("fetch script sub key count fail\n");
    else
        printk("[info] main_key_count=%d,file=%s,fun=%s,line=%d\n",main_key_count,__FILE__ ,__func__,__LINE__);



//获取主键下GPIO配置
    ret = script_parser_mainkey_get_gpio_cfg("board_para",gpio_info, 1);
    if(ret < 0)
        printk("fetch script gpio infomation fail\n");
    else{

 printk("script_parser_mainkey_get_gpio_cfg script gpio infomation ok \n");
 printk("[info] gpio_info.port=%04x,file=%s,fun=%s,line=%d\n",gpio_info[0].port,__FILE__ ,__func__,__LINE__);
 printk("[info] gpio_info.port_num=%04x,file=%s,fun=%s,line=%d\n",gpio_info[0].port_num,__FILE__ ,__func__,__LINE__);
 printk("[info] gpio_info.mul_sel=%04x,file=%s,fun=%s,line=%d\n",gpio_info[0].mul_sel,__FILE__ ,__func__,__LINE__);
 printk("[info] gpio_info.pull=%04x,file=%s,fun=%s,line=%d\n",gpio_info[0].pull,__FILE__ ,__func__,__LINE__);
 printk("[info] gpio_info.drv_level=%04x,file=%s,fun=%s,line=%d\n",gpio_info[0].drv_level,__FILE__ ,__func__,__LINE__);
 printk("[info] gpio_info.data=%04x,file=%s,fun=%s,line=%d\n",gpio_info[0].data,__FILE__ ,__func__,__LINE__);
    }
//获取主键下GPIO个数
    int gpio_key_count = script_parser_mainkey_get_gpio_count ("twi_para");
    if(gpio_key_count < 0)
        printk("fetch script sub key count fail\n");
    else
        printk("fetch script gpio key count ok , gpio_key_count = %d\n", gpio_key_count);


}