/** \brief Packet reception task
*
* This task is called when a packet is received. It will
* pass the packet to the LWIP core.
*
* \param[in] pvParameters Not used yet
*/
static void packet_rx(void* pvParameters) {
struct lpc_enetdata *lpc_enetif = pvParameters;
while (1) {
/* Wait for receive task to wakeup */
osSignalWait(RX_SIGNAL, osWaitForever);
/* Process packets until all empty */
while (LPC_EMAC->RxConsumeIndex != LPC_EMAC->RxProduceIndex)
lpc_enetif_input(lpc_enetif->netif);
}
}
/* Packet reception task
This task is called when a packet is received. It will
pass the packet to the LWIP core */
static void vPacketReceiveTask(void *pvParameters) {
struct lpc_enetdata *lpc_netifdata = pvParameters;
while (1) {
/* Wait for receive task to wakeup */
sys_arch_sem_wait(&lpc_netifdata->RxSem, 0);
/* Process receive packets */
while (!(lpc_netifdata->prdesc[lpc_netifdata->rx_get_idx].STATUS
& RDES_OWN)) {
lpc_enetif_input(lpc_netifdata->netif);
}
}
}
/* Packet reception task for FreeRTOS */
STATIC portTASK_FUNCTION(vPacketReceiveTask, pvParameters)
{
lpc_enetdata_t *lpc_enetif = pvParameters;
while (1) {
/* Wait for receive task to wakeup */
sys_arch_sem_wait(&lpc_enetif->rx_sem, 0);
/* Process packets until all empty */
while (!Chip_ENET_IsRxEmpty(LPC_ETHERNET)) {
lpc_enetif_input(lpc_enetif->pnetif);
}
}
}
/**
* @brief main routine for example_lwip_tcpecho_sa_18xx43xx
* @return Function should not exit.
*/
int main(void)
{
uint32_t physts;
ip_addr_t ipaddr, netmask, gw;
prvSetupHardware();
/* Initialize LWIP */
lwip_init();
LWIP_DEBUGF(LWIP_DBG_ON, ("Starting LWIP TCP echo server...\n"));
/* Static IP assignment */
#if LWIP_DHCP
IP4_ADDR(&gw, 0, 0, 0, 0);
IP4_ADDR(&ipaddr, 0, 0, 0, 0);
IP4_ADDR(&netmask, 0, 0, 0, 0);
#else
IP4_ADDR(&gw, 10, 1, 10, 1);
IP4_ADDR(&ipaddr, 10, 1, 10, 234);
IP4_ADDR(&netmask, 255, 255, 255, 0);
APP_PRINT_IP(&ipaddr);
#endif
/* Add netif interface for lpc17xx_8x */
netif_add(&lpc_netif, &ipaddr, &netmask, &gw, NULL, lpc_enetif_init,
ethernet_input);
netif_set_default(&lpc_netif);
netif_set_up(&lpc_netif);
#if LWIP_DHCP
dhcp_start(&lpc_netif);
#endif
/* Initialize and start application */
echo_init();
/* This could be done in the sysTick ISR, but may stay in IRQ context
too long, so do this stuff with a background loop. */
while (1) {
/* Handle packets as part of this loop, not in the IRQ handler */
lpc_enetif_input(&lpc_netif);
/* lpc_rx_queue will re-qeueu receive buffers. This normally occurs
automatically, but in systems were memory is constrained, pbufs
may not always be able to get allocated, so this function can be
optionally enabled to re-queue receive buffers. */
#if 0
while (lpc_rx_queue(&lpc_netif)) {}
#endif
/* Free TX buffers that are done sending */
lpc_tx_reclaim(&lpc_netif);
/* LWIP timers - ARP, DHCP, TCP, etc. */
sys_check_timeouts();
/* Call the PHY status update state machine once in a while
to keep the link status up-to-date */
physts = lpcPHYStsPoll();
/* Only check for connection state when the PHY status has changed */
if (physts & PHY_LINK_CHANGED) {
if (physts & PHY_LINK_CONNECTED) {
Board_LED_Set(0, true);
/* Set interface speed and duplex */
if (physts & PHY_LINK_SPEED100) {
Chip_ENET_SetSpeed(LPC_ETHERNET, 1);
NETIF_INIT_SNMP(&lpc_netif, snmp_ifType_ethernet_csmacd, 100000000);
}
else {
Chip_ENET_SetSpeed(LPC_ETHERNET, 0);
NETIF_INIT_SNMP(&lpc_netif, snmp_ifType_ethernet_csmacd, 10000000);
}
if (physts & PHY_LINK_FULLDUPLX) {
Chip_ENET_SetDuplex(LPC_ETHERNET, true);
}
else {
Chip_ENET_SetDuplex(LPC_ETHERNET, false);
}
netif_set_link_up(&lpc_netif);
}
else {
Board_LED_Set(0, false);
netif_set_link_down(&lpc_netif);
}
DEBUGOUT("Link connect status: %d\r\n", ((physts & PHY_LINK_CONNECTED) != 0));
}
}
/* Never returns, for warning only */
return 0;
}
/**
* @brief main routine for example_lwip_tcpecho_sa_17xx40xx
* @return Function should not exit.
*/
int main(void)
{
uint32_t physts;
ip_addr_t ipaddr, netmask, gw;
static int prt_ip = 0;
prvSetupHardware();
/* Initialize LWIP */
lwip_init();
///LWIP_DEBUGF(LWIP_DBG_ON, ("Starting LWIP TCP echo server...\n"));
/* Static IP assignment */
IP4_ADDR(&gw, 0, 0, 0, 0);
IP4_ADDR(&ipaddr, 0, 0, 0, 0);
IP4_ADDR(&netmask, 0, 0, 0, 0);
/* Add netif interface for lpc17xx_8x */
netif_add(&lpc_netif, &ipaddr, &netmask, &gw, NULL, lpc_enetif_init, ethernet_input);
netif_set_default(&lpc_netif);
netif_set_up(&lpc_netif);
dhcp_start(&lpc_netif);
uint8_t fl = 0 ;
while (1)
{
/* Handle packets as part of this loop, not in the IRQ handler */
lpc_enetif_input(&lpc_netif);
/* lpc_rx_queue will re-qeueu receive buffers. This normally occurs
automatically, but in systems were memory is constrained, pbufs
may not always be able to get allocated, so this function can be
optionally enabled to re-queue receive buffers. */
#if 0
while (lpc_rx_queue(&lpc_netif)) {}
#endif
/* Free TX buffers that are done sending */
lpc_tx_reclaim(&lpc_netif);
/* LWIP timers - ARP, DHCP, TCP, etc. */
sys_check_timeouts();
/* Call the PHY status update state machine once in a while
to keep the link status up-to-date */
physts = lpcPHYStsPoll();
/* Only check for connection state when the PHY status has changed */
if (physts & PHY_LINK_CHANGED)
{
if (physts & PHY_LINK_CONNECTED)
{
prt_ip = 0;
/* Set interface speed and duplex */
if (physts & PHY_LINK_SPEED100)
{
Chip_ENET_Set100Mbps(LPC_ETHERNET);
NETIF_INIT_SNMP(&lpc_netif, snmp_ifType_ethernet_csmacd, 100000000);
}
else
{
Chip_ENET_Set10Mbps(LPC_ETHERNET);
NETIF_INIT_SNMP(&lpc_netif, snmp_ifType_ethernet_csmacd, 10000000);
}
if (physts & PHY_LINK_FULLDUPLX) {
Chip_ENET_SetFullDuplex(LPC_ETHERNET);
}
else {
Chip_ENET_SetHalfDuplex(LPC_ETHERNET);
}
netif_set_link_up(&lpc_netif);
}
else
{
netif_set_link_down(&lpc_netif);
}
DEBUGOUT("Link connect status: %d\r\n", ((physts & PHY_LINK_CONNECTED) != 0));
}
/* Print IP address info */
if (!prt_ip)
{
if (lpc_netif.ip_addr.addr)
{
static char tmp_buff[16];
DEBUGOUT("IP_ADDR : %s\r\n", ipaddr_ntoa_r((const ip_addr_t *) &lpc_netif.ip_addr, tmp_buff, 16));
DEBUGOUT("NET_MASK : %s\r\n", ipaddr_ntoa_r((const ip_addr_t *) &lpc_netif.netmask, tmp_buff, 16));
DEBUGOUT("GATEWAY_IP : %s\r\n", ipaddr_ntoa_r((const ip_addr_t *) &lpc_netif.gw, tmp_buff, 16));
prt_ip = 1;
mqttAppInit();
mqttAppConnect();
////// mqttAppDisconnect();
}
}
if(mqttIsConnected()==1)
{
mqttAppHandle();
if (fl == 0)
{
mqttAppSubscribe("lpc/#");
mqttAppSubscribe("lpc/teste");
fl = 1;
}
}
}
return 0;
}
