Microchip® Advanced Software Framework

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Application specific configurations

An uIP application is implemented using a single application function that is called by uIP whenever a TCP/IP event occurs.

The name of this function must be registered with uIP at compile time using the UIP_APPCALL definition.

uIP applications can store the application state within the uip_conn structure by specifying the type of the application structure by typedef:ing the type uip_tcp_appstate_t and uip_udp_appstate_t.

The file containing the definitions must be included in the uipopt.h file.

The following example illustrates how this can look.

void httpd_appcall(void);
#define UIP_APPCALL httpd_appcall
struct httpd_state {
uint8_t state;
uint16_t count;
char *dataptr;
char *script;
};

Typedefs

typedef struct tcpip_uipstate uip_tcp_appstate_t
 The type of the application state that is to be stored in the uip_conn structure. More...
 
typedef struct tcpip_uipstate uip_udp_appstate_t
 The type of the application state that is to be stored in the uip_conn structure. More...
 

The type of the application state that is to be stored in the uip_conn structure.

This usually is typedef:ed to a struct holding application state information.

The type of the application state that is to be stored in the uip_conn structure.

This usually is typedef:ed to a struct holding application state information.