/** \brief Polling the timer event flags */
void Ifx_Lwip_pollTimerFlags(void)
{
Ifx_Lwip *lwip = &Ifx_g_Lwip;
uint32 timerFlags = __swap(&lwip->timerFlags, 0);
if (timerFlags & IFX_LWIP_FLAG_DHCP_COARSE)
{
dhcp_coarse_tmr();
}
if (timerFlags & IFX_LWIP_FLAG_DHCP_FINE)
{
dhcp_fine_tmr();
}
if (timerFlags & IFX_LWIP_FLAG_TCP_FAST)
{
tcp_fasttmr();
}
if (timerFlags & IFX_LWIP_FLAG_TCP_SLOW)
{
tcp_slowtmr();
}
if (timerFlags & IFX_LWIP_FLAG_ARP)
{
etharp_tmr();
}
if (timerFlags & IFX_LWIP_FLAG_LINK)
{}
}
/* our own version of tcp_tmr so we can reset fast/slow timer state */
static void
test_tcp_tmr(void)
{
tcp_fasttmr();
if (++test_tcp_timer & 1) {
tcp_slowtmr();
}
}
void
tcp_tmr(void)
{
/* Call tcp_fasttmr() every 250 ms */
tcp_fasttmr();
if (++tcp_timer & 1) {
/* Call tcp_tmr() every 500 ms, i.e., every other timer
tcp_tmr() is called. */
tcp_slowtmr();
}
}
/**
* Called periodically to dispatch TCP timers.
*
*/
void
tcp_tmr(struct tcp_pcb* pcb)
{
/* Call tcp_fasttmr() every 100 ms */
tcp_fasttmr(pcb);
if (++(pcb->tcp_timer) & 1) {
/* Call tcp_tmr() every 200 ms, i.e., every other timer
tcp_tmr() is called. */
tcp_slowtmr(pcb);
}
}
void timer_handler()
{
/* we need to call tcp_fasttmr & tcp_slowtmr at intervals specified by lwIP.
* It is not important that the timing is absolutely accurate.
*/
static int odd = 1;
tcp_fasttmr();
odd = !odd;
if (odd)
tcp_slowtmr();
}
int transfer_data() {
#ifdef __arm__
if (TcpFastTimer) {
TcpFastTimer = 0;
tcp_fasttmr();
}
if (TcpSlowTimer) {
TcpSlowTimer = 0;
tcp_slowtmr();
}
#endif
return 0;
}
void
timer_callback(XScuTimer * TimerInstance)
{
/* we need to call tcp_fasttmr & tcp_slowtmr at intervals specified
* by lwIP. It is not important that the timing is absoluetly accurate.
*/
static int odd = 1;
#if LWIP_DHCP==1
static int dhcp_timer = 0;
#endif
odd = !odd;
#ifndef USE_SOFTETH_ON_ZYNQ
ResetRxCntr++;
#endif
tcp_fasttmr();
if (odd) {
#if LWIP_DHCP==1
dhcp_timer++;
dhcp_timoutcntr--;
#endif
tcp_slowtmr();
#if LWIP_DHCP==1
dhcp_fine_tmr();
if (dhcp_timer >= 120) {
dhcp_coarse_tmr();
dhcp_timer = 0;
}
#endif
}
/* For providing an SW alternative for the SI #692601. Under heavy
* Rx traffic if at some point the Rx path becomes unresponsive, the
* following API call will ensures a SW reset of the Rx path. The
* API xemacpsif_resetrx_on_no_rxdata is called every 100 milliseconds.
* This ensures that if the above HW bug is hit, in the worst case,
* the Rx path cannot become unresponsive for more than 100
* milliseconds.
*/
#ifndef USE_SOFTETH_ON_ZYNQ
if (ResetRxCntr >= RESET_RX_CNTR_LIMIT) {
xemacpsif_resetrx_on_no_rxdata(echo_netif);
ResetRxCntr = 0;
}
#endif
XScuTimer_ClearInterruptStatus(TimerInstance);
}
/*-----------------------------------------------------------------------------------*/
void
tcp_tmr()
{
++tcp_timer;
if(tcp_timer == 10) {
tcp_timer = 0;
}
if(tcp_timer & 1) {
/* Call tcp_fasttmr() every 200 ms, i.e., every other timer
tcp_tmr() is called. */
tcp_fasttmr();
}
if(tcp_timer == 0 || tcp_timer == 5) {
/* Call tcp_slowtmr() every 500 ms, i.e., every fifth timer
tcp_tmr() is called. */
tcp_slowtmr();
}
}
void timer_thread(void)
{
char fast_flag=0;
char slow_flag=0;
//char dns_flag=0;
disable_timer();//变量重入
fast_flag=time_flag;
time_flag=0;
slow_flag=slow_timer;
if(dns_time>4){
dns_time=0;
}
enable_timer();
if(fast_flag){//lwip不可重入解决方法
time_flag=0;
tcp_fasttmr();
if(slow_flag)
tcp_slowtmr();
// if(dns_flag)
// dns_tmr();//dns updata
}
}
int main()
{
struct ip_addr ipaddr, netmask, gw;
/* the mac address of the board. this should be unique per board */
unsigned char mac_ethernet_address[] =
{ 0x00, 0x0a, 0x35, 0x00, 0x01, 0x02 };
echo_netif = &server_netif;
#if defined (__arm__) && !defined (ARMR5)
#if XPAR_GIGE_PCS_PMA_SGMII_CORE_PRESENT == 1 || XPAR_GIGE_PCS_PMA_1000BASEX_CORE_PRESENT == 1
ProgramSi5324();
ProgramSfpPhy();
#endif
#endif
init_platform();
#if LWIP_DHCP==1
ipaddr.addr = 0;
gw.addr = 0;
netmask.addr = 0;
#else
/* initliaze IP addresses to be used */
IP4_ADDR(&ipaddr, 192, 168, 1, 10);
IP4_ADDR(&netmask, 255, 255, 255, 0);
IP4_ADDR(&gw, 192, 168, 1, 1);
#endif
print_app_header();
lwip_init();
/* Add network interface to the netif_list, and set it as default */
if (!xemac_add(echo_netif, &ipaddr, &netmask,
&gw, mac_ethernet_address,
PLATFORM_EMAC_BASEADDR)) {
xil_printf("Error adding N/W interface\n\r");
return -1;
}
netif_set_default(echo_netif);
/* now enable interrupts */
platform_enable_interrupts();
/* specify that the network if is up */
netif_set_up(echo_netif);
#if (LWIP_DHCP==1)
/* Create a new DHCP client for this interface.
* Note: you must call dhcp_fine_tmr() and dhcp_coarse_tmr() at
* the predefined regular intervals after starting the client.
*/
dhcp_start(echo_netif);
dhcp_timoutcntr = 24;
while(((echo_netif->ip_addr.addr) == 0) && (dhcp_timoutcntr > 0))
xemacif_input(echo_netif);
if (dhcp_timoutcntr <= 0) {
if ((echo_netif->ip_addr.addr) == 0) {
xil_printf("DHCP Timeout\r\n");
xil_printf("Configuring default IP of 192.168.1.10\r\n");
IP4_ADDR(&(echo_netif->ip_addr), 192, 168, 1, 10);
IP4_ADDR(&(echo_netif->netmask), 255, 255, 255, 0);
IP4_ADDR(&(echo_netif->gw), 192, 168, 1, 1);
}
}
ipaddr.addr = echo_netif->ip_addr.addr;
gw.addr = echo_netif->gw.addr;
netmask.addr = echo_netif->netmask.addr;
#endif
print_ip_settings(&ipaddr, &netmask, &gw);
/* start the application (web server, rxtest, txtest, etc..) */
start_application();
/* receive and process packets */
while (1) {
if (TcpFastTmrFlag) {
tcp_fasttmr();
TcpFastTmrFlag = 0;
}
if (TcpSlowTmrFlag) {
tcp_slowtmr();
TcpSlowTmrFlag = 0;
}
xemacif_input(echo_netif);
transfer_data();
}
/* never reached */
cleanup_platform();
return 0;
}
int main()
{
struct netif *netif, server_netif;
struct ip_addr ipaddr, netmask, gw;
/* the mac address of the board. this should be unique per board */
unsigned char mac_ethernet_address[] = { 0x00, 0x0a, 0x35, 0x00, 0x01, 0x02 };
netif = &server_netif;
if (init_platform() < 0) {
xil_printf("ERROR initializing platform.\r\n");
return -1;
}
xil_printf("\r\n\r\n");
xil_printf("-----lwIP RAW Mode Demo Application ------\r\n");
/* initliaze IP addresses to be used */
#if (LWIP_DHCP==0)
IP4_ADDR(&ipaddr, 192, 168, 1, 10);
IP4_ADDR(&netmask, 255, 255, 255, 0);
IP4_ADDR(&gw, 192, 168, 1, 1);
print_ip_settings(&ipaddr, &netmask, &gw);
#endif
lwip_init();
#if (LWIP_DHCP==1)
ipaddr.addr = 0;
gw.addr = 0;
netmask.addr = 0;
#endif
/* Add network interface to the netif_list, and set it as default */
if (!xemac_add(netif, &ipaddr, &netmask, &gw, mac_ethernet_address, PLATFORM_EMAC_BASEADDR)) {
xil_printf("Error adding N/W interface\r\n");
return -1;
}
netif_set_default(netif);
/* specify that the network if is up */
netif_set_up(netif);
/* now enable interrupts */
platform_enable_interrupts();
#if (LWIP_DHCP==1)
/* Create a new DHCP client for this interface.
* Note: you must call dhcp_fine_tmr() and dhcp_coarse_tmr() at
* the predefined regular intervals after starting the client.
*/
dhcp_start(netif);
dhcp_timoutcntr = 24;
TxPerfConnMonCntr = 0;
while(((netif->ip_addr.addr) == 0) && (dhcp_timoutcntr > 0)) {
xemacif_input(netif);
if (TcpFastTmrFlag) {
tcp_fasttmr();
TcpFastTmrFlag = 0;
}
if (TcpSlowTmrFlag) {
tcp_slowtmr();
TcpSlowTmrFlag = 0;
}
}
if (dhcp_timoutcntr <= 0) {
if ((netif->ip_addr.addr) == 0) {
xil_printf("DHCP Timeout\r\n");
xil_printf("Configuring default IP of 192.168.1.10\r\n");
IP4_ADDR(&(netif->ip_addr), 192, 168, 1, 10);
IP4_ADDR(&(netif->netmask), 255, 255, 255, 0);
IP4_ADDR(&(netif->gw), 192, 168, 1, 1);
}
}
/* receive and process packets */
print_ip_settings(&(netif->ip_addr), &(netif->netmask), &(netif->gw));
#endif
/* start the application (web server, rxtest, txtest, etc..) */
start_applications();
print_headers();
while (1) {
if (TcpFastTmrFlag) {
tcp_fasttmr();
TcpFastTmrFlag = 0;
}
if (TcpSlowTmrFlag) {
tcp_slowtmr();
TcpSlowTmrFlag = 0;
}
xemacif_input(netif);
transfer_data();
}
/* never reached */
cleanup_platform();
return 0;
}
static void tcp_fwatchdog(__unused minix_timer_t *tp)
{
tcp_fasttmr();
set_timer(&tcp_ftmr, tcp_fticks, tcp_fwatchdog, 0);
}