在User目录下新建一个文件，我的是netInfoConfig.c用来完成上面的这些函数，复制下面的代码进去：
#include "FreeRTOSLib.h" //自己把Freertos的头文件加进来
#include "FreeRTOSTcpLib.h" //协议栈的头文件加进来
#include <stdio.h>
#include <string.h>
#include <stdarg.h>
#include "randomNum.h"
#include "netInfoConfig.h"
#include "led.h"
/* Define a name that will be used for LLMNR and NBNS searches. */
#define mainHOST_NAME "CocolYoungStm32"
#define mainDEVICE_NICK_NAME "YYFStm32"
static BaseType_t UDP_DEBUG_INIT();
/*
return a rand num
*/
UBaseType_t uxRand(){
return (UBaseType_t) getRandomNum();
}
/* The default IP and MAC address used by the demo. The address configuration
defined here will be used if ipconfigUSE_DHCP is 0, or if ipconfigUSE_DHCP is
1 but a DHCP server could not be contacted. See the online documentation for
more information. */
const uint8_t ucIPAddress[ 4 ] = { configIP_ADDR0, configIP_ADDR1, configIP_ADDR2, configIP_ADDR3 };
const uint8_t ucNetMask[ 4 ] = { configNET_MASK0, configNET_MASK1, configNET_MASK2, configNET_MASK3 };
const uint8_t ucGatewayAddress[ 4 ] = { configGATEWAY_ADDR0, configGATEWAY_ADDR1, configGATEWAY_ADDR2, configGATEWAY_ADDR3 };
const uint8_t ucDNSServerAddress[ 4 ] = { configDNS_SERVER_ADDR0, configDNS_SERVER_ADDR1, configDNS_SERVER_ADDR2, configDNS_SERVER_ADDR3 };
/* Default MAC address configuration. The demo creates a virtual network
connection that uses this MAC address by accessing the raw Ethernet data
to and from a real network connection on the host PC. See the
configNETWORK_INTERFACE_TO_USE definition for information on how to configure
the real network connection to use. */
const uint8_t ucMACAddress[ 6 ] = { configMAC_ADDR0, configMAC_ADDR1, configMAC_ADDR2, configMAC_ADDR3, configMAC_ADDR4, configMAC_ADDR5 };
/*
*Brief:
vApplicationIPNetworkEventHook() is an application
defined hook (or callback) function that is called by the
TCP/IP stack when the network either connects or disconnects.
As the function is called by the TCP/IP stack the TCP/IP sets
sets the value of the function's parameter.
*param:
eNetworkEvent = 0 , the net connected.
eNetworkEvent = 1 , the net disconnected.
*/
void vApplicationIPNetworkEventHook( eIPCallbackEvent_t eNetworkEvent )
{
uint32_t ulIPAddress, ulNetMask, ulGatewayAddress, ulDNSServerAddress;
static BaseType_t xTasksAlreadyCreated = pdFALSE;
int8_t cBuffer[ 16 ];
/* Check this was a network up event, as opposed to a network down event. */
if( eNetworkEvent == eNetworkUp )
{
/* Create the tasks that use the TCP/IP stack if they have not already been
created. */
if( xTasksAlreadyCreated == pdFALSE )
{
/*
* Create the tasks here.
*/
UDP_DEBUG_INIT();//debug printf init
//led1_flash();
//xTaskCreate( aFunction, "aFunction", 1000, NULL, 3, NULL );
//xTaskCreate( eth_send_task, "test_send", 1000, NULL, 3, NULL );
xTasksAlreadyCreated = pdTRUE;
}
/* The network is up and configured. Print out the configuration,
which may have been obtained from a DHCP server. */
FreeRTOS_GetAddressConfiguration( &ulIPAddress,
&ulNetMask,
&ulGatewayAddress,
&ulDNSServerAddress );
/* Convert the IP address to a string then print it out. */
FreeRTOS_inet_ntoa( ulIPAddress, cBuffer );
lUDPLoggingPrintf( "IP Address: %s\r\n", cBuffer );
/* Convert the net mask to a string then print it out. */
FreeRTOS_inet_ntoa( ulNetMask, cBuffer );
lUDPLoggingPrintf( "Subnet Mask: %s\r\n", cBuffer );
/* Convert the IP address of the gateway to a string then print it out. */
FreeRTOS_inet_ntoa( ulGatewayAddress, cBuffer );
lUDPLoggingPrintf( "Gateway IP Address: %s\r\n", cBuffer );
/* Convert the IP address of the DNS server to a string then print it out. */
FreeRTOS_inet_ntoa( ulDNSServerAddress, cBuffer );
lUDPLoggingPrintf( "DNS server IP Address: %s\r\n", cBuffer );
}
}
/*--------------------------------------------------------*/
/*
there are series of func should be defined when ipconfigSUPPORT_OUTGOING_PINGS is set to 1.
*/
QueueHandle_t xPingReplyQueue;//this queue should be create for vApplicationPingReplyHook()
/* this func should be used before FreeRTOS_SendPingRequest() to init the xPingReplyQueue*/
void xPingReplyQueueCreate(){
xPingReplyQueue = xQueueCreate( 20, sizeof( uint16_t ) );
}
void vApplicationPingReplyHook( ePingReplyStatus_t eStatus, uint16_t usIdentifier )
{
switch( eStatus )
{
case eSuccess :
/* A valid ping reply has been received. Post the sequence number
on the queue that is read by the vSendPing() function below. Do
not wait more than 10ms trying to send the message if it cannot be
sent immediately because this function is called from the TCP/IP
RTOS task - blocking in this function will block the TCP/IP RTOS task. */
xQueueSend( xPingReplyQueue, &usIdentifier, 10 / portTICK_PERIOD_MS );
break;
case eInvalidChecksum :
case eInvalidData :
/* A reply was received but it was not valid. */
break;
}
}
/*
* The following function should be provided by the user and return true if it
* matches the domain name.
*this func will be used to judge whether *pcName matche DNS request or LLMNR request.
return pdTRUE if matching DNS request,
return pdFALSE if matching LLMNR request.
*/
BaseType_t xApplicationDNSQueryHook( const char *pcName ){
BaseType_t xReturn;
/* Determine if a name lookup is for this node. Two names are given
to this node: that returned by pcApplicationHostnameHook() and that set
by mainDEVICE_NICK_NAME. */
if( strcmp( pcName, pcApplicationHostnameHook() ) == 0 )
{
xReturn = pdPASS;
}
else if( strcmp( pcName, mainDEVICE_NICK_NAME ) == 0 )
{
xReturn = pdPASS;
}
else
{
xReturn = pdFAIL;
}
return xReturn;
}
/*----------------------------------------------*/
const char *pcApplicationHostnameHook( void ){
return mainHOST_NAME;
}
/*-----------------------------------------------------------*/
void IP_init( void ){
/***NOTE*** Tasks that use the network are created in the network event hook
when the network is connected and ready for use (see the definition of
vApplicationIPNetworkEventHook() below). The address values passed in here
are used if ipconfigUSE_DHCP is set to 0, or if ipconfigUSE_DHCP is set to 1
but a DHCP server cannot be contacted. */
FreeRTOS_IPInit( ucIPAddress, ucNetMask, ucGatewayAddress, ucDNSServerAddress, ucMACAddress );
}
/*------------DEBUG ONLY----------------*/
Socket_t UDP_DEBUG_SOCKET;
/*
Brief : func used for init the udp
Return : if sucess,return pdTRUE
*/
static BaseType_t UDP_DEBUG_INIT(){
struct freertos_sockaddr xBindAddress;
/* Create a UDP socket. */
UDP_DEBUG_SOCKET = FreeRTOS_socket( FREERTOS_AF_INET,
FREERTOS_SOCK_DGRAM,
FREERTOS_IPPROTO_UDP );
/* Check the socket was created successfully. */
if( UDP_DEBUG_SOCKET != FREERTOS_INVALID_SOCKET )
{
/* The socket was created successfully and can now be used to send data
using the FreeRTOS_sendto() API function. Sending to a socket that has
not first been bound will result in the socket being automatically bound
to a port number. Use FreeRTOS_bind() to bind the socket to a
specific port number. This example binds the socket to port 9999. The
port number is specified in network byte order, so FreeRTOS_htons() is
used. */
xBindAddress.sin_port = FreeRTOS_htons( 9999 );
if( FreeRTOS_bind( UDP_DEBUG_SOCKET, &xBindAddress, sizeof( &xBindAddress ) ) == 0 )
{
/* bind success */
return pdTRUE;
}
else{
return pdFALSE;
}
}else{
return pdFALSE;
}
}
/*
Brief:
this func only for debug printf
Param:
msg: the message.
len: the message length
Return:
the length
*/
static size_t UDP_SEND_DATA(const char* msg , size_t len){
static struct freertos_sockaddr xDestinationAddress;
int32_t iReturned;
/* dest address and port */
xDestinationAddress.sin_addr = FreeRTOS_inet_addr_quick( 192, 168, 0, 33 );
xDestinationAddress.sin_port = FreeRTOS_htons( 60000 );
/* Send the buffer with ulFlags set to 0, so the FREERTOS_ZERO_COPY bit
is clear. */
iReturned = FreeRTOS_sendto(
/* The socket being send to. */
UDP_DEBUG_SOCKET,
/* The data being sent. */
msg,
/* The length of the data being sent. */
len,
/* ulFlags with the FREERTOS_ZERO_COPY bit clear. */
0,
/* Where the data is being sent. */
&xDestinationAddress,
/* Not used but should be set as shown. */
sizeof( xDestinationAddress )
);
if( iReturned == len )
{
return len;
}
else{
return 0;
}
}
/*
only for debug
*/
int lUDPLoggingPrintf( const char *fmt, ... ){
va_list ap;
char msg[128];
int len;
va_start(ap, fmt);
len = vsnprintf(msg, sizeof(msg), fmt, ap);
UDP_SEND_DATA(msg, len);
va_end(ap);
return len;
}
/*------------DEBUG ONLY----------------*/
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