1.1 Custom files 

 There are two custom files. 

  1). “custom_gadget_cfg.h” located in custom\app\[*PROJECT_NAME]\  

 2). “custom_gadget_config.h” located in custom\common 

 Notice that the precedence of “custom_gadget_cfg.h” is higher than “custom_gadget_config.h”.  

 Ps. * PROJECT_NAME depends on each project’s naming. 

 1.2 Options 

 1.2.1 GADGET_USE_ASM 

 If Widget uses ASM, this option must be defined. If not, all the memory used by Widget is from a static memory pool. 

 Example, 

 #define GADGET_USE_ASM 

 1.2.2 GADGET_CUSTOM_CFG_SYS_MEM_SIZE 

 Whether Widget uses ASM or not, it must have a static memory pool for basic operation, for example, installation, entering widget manager and so on. If Widget uses ASM, 200KB static memory shall be enough. If not, it requires a larger size since all used memory is from the static pool. 

 Example, 

 #define GADGET_CUSTOM_CFG_SYS_MEM_SIZE (180 * 1024)  

 1.2.3 GADGET_CUSTOM_CFG_ASM_MEM_SIZE (valid if ASM is used) 

 If GADGET_USE_ASM is defined, this option will have effect. It is used to configure the size of ASM that Widget needs. 

 Example, 

 #define GADGET_CUSTOM_CFG_ASM_MEM_SIZE (2000 * 1024)  

 1.2.4 GADGE_BROWSER_CONCURRENCE (valid if ASM is used) 

 This option is used to guarantee the coexistence of Widget and Browser. If defined, it will make sure the ASM pool size is large enough for Widget and Browser concurrently. This can avoid the situation that widget is asked to be closed when user wants to launch the Browser. If GADGE_BROWSER_CONCURRENCE is not defined, the coexistence of widget and browser will be not guaranteed. It depends on how large the ASM is configured. 

 Example, 

 #define GADGE_BROWSER_CONCURRENCE 

  

 1.3 Make modules 

 When the configuration is changed, you have to clean and remake custom and applib. This makes the change take effect. 

 Example, 

 make c,r custom applib 

  

 1.4 Configuration examples 

  The following shows some examples of configuration.  

  

 1.4.1 Widget does not use ASM 

  #define GADGET_CUSTOM_CFG_SYS_MEM_SIZE (2500 * 1024) 

  

 1.4.2 Widget uses ASM 

  1.4.2.1 Coexistence with Browser is guaranteed 

 #define GADGET_USE_ASM 

 #define GADGET_CUSTOM_CFG_SYS_MEM_SIZE (180 * 1024) 

 #define GADGET_CUSTOM_CFG_ASM_MEM_SIZE (3000 * 1024) 

 #define GADGE_BROWSER_CONCURRENCE 

  1.4.2.2 Coexistence with Browser is not guaranteed 

 #define GADGET_USE_ASM 

 #define GADGET_CUSTOM_CFG_SYS_MEM_SIZE (180 * 1024) 

 #define GADGET_CUSTOM_CFG_ASM_MEM_SIZE (3000 * 1024)