static void setMACAddress() {
unsigned long ulUser0, ulUser1;
/* Try to get the device MAC address from flash or use a fixed MAC to allow initial configuration */
ROM_FlashUserGet(&ulUser0, &ulUser1);
if ((ulUser0 == 0xffffffff) || (ulUser1 == 0xffffffff)) {
interface.hwaddr[0] = 0xAA;
interface.hwaddr[1] = 0x00;
interface.hwaddr[2] = 0x00;
interface.hwaddr[3] = 0xFF;
interface.hwaddr[4] = 0xff;
interface.hwaddr[5] = 0xff;
} else {
/* Convert the MAC address from flash into sequence of bytes. */
interface.hwaddr[0] = ((ulUser0 >> 0) & 0xff);
interface.hwaddr[1] = ((ulUser0 >> 8) & 0xff);
interface.hwaddr[2] = ((ulUser0 >> 16) & 0xff);
interface.hwaddr[3] = ((ulUser1 >> 0) & 0xff);
interface.hwaddr[4] = ((ulUser1 >> 8) & 0xff);
interface.hwaddr[5] = ((ulUser1 >> 16) & 0xff);
}
/* Program the MAC address. */
EthernetMACAddrSet(ETH_BASE, interface.hwaddr);
interface.hwaddr_len = 6;
}
int rt_hw_luminaryif_init(void)
{
rt_err_t result;
unsigned long ulUser0, ulUser1;
/* Enable and Reset the Ethernet Controller. */
SysCtlPeripheralEnable(SYSCTL_PERIPH_ETH);
SysCtlPeripheralReset(SYSCTL_PERIPH_ETH);
/*
Enable Port F for Ethernet LEDs.
LED0 Bit 3 Output
LED1 Bit 2 Output
*/
SysCtlPeripheralEnable(SYSCTL_PERIPH_GPIOF);
/* GPIODirModeSet and GPIOPadConfigSet */
GPIOPinTypeEthernetLED(GPIO_PORTF_BASE, GPIO_PIN_2 | GPIO_PIN_3);
GPIOPinConfigure(GPIO_PF2_LED1);
GPIOPinConfigure(GPIO_PF3_LED0);
FlashUserSet(0x00371200, 0x00563412); /* OUI:00-12-37 (hex) Texas Instruments, only for test */
/* Configure the hardware MAC address */
FlashUserGet(&ulUser0, &ulUser1);
if((ulUser0 == 0xffffffff) || (ulUser1 == 0xffffffff))
{
rt_kprintf("Fatal error in geting MAC address\n");
}
/* init rt-thread device interface */
luminaryif_dev_entry.parent.parent.init = luminaryif_init;
luminaryif_dev_entry.parent.parent.open = luminaryif_open;
luminaryif_dev_entry.parent.parent.close = luminaryif_close;
luminaryif_dev_entry.parent.parent.read = luminaryif_read;
luminaryif_dev_entry.parent.parent.write = luminaryif_write;
luminaryif_dev_entry.parent.parent.control = luminaryif_control;
luminaryif_dev_entry.parent.eth_rx = luminaryif_rx;
luminaryif_dev_entry.parent.eth_tx = luminaryif_tx;
/*
Convert the 24/24 split MAC address from NV ram into a 32/16 split MAC
address needed to program the hardware registers, then program the MAC
address into the Ethernet Controller registers.
*/
luminaryif_dev_entry.dev_addr[0] = ((ulUser0 >> 0) & 0xff);
luminaryif_dev_entry.dev_addr[1] = ((ulUser0 >> 8) & 0xff);
luminaryif_dev_entry.dev_addr[2] = ((ulUser0 >> 16) & 0xff);
luminaryif_dev_entry.dev_addr[3] = ((ulUser1 >> 0) & 0xff);
luminaryif_dev_entry.dev_addr[4] = ((ulUser1 >> 8) & 0xff);
luminaryif_dev_entry.dev_addr[5] = ((ulUser1 >> 16) & 0xff);
/* Program the hardware with it's MAC address (for filtering). */
EthernetMACAddrSet(ETH_BASE, luminaryif_dev_entry.dev_addr);
rt_sem_init(&tx_sem, "emac", 1, RT_IPC_FLAG_FIFO);
result = eth_device_init(&(luminaryif_dev->parent), "E0");
return result;
}
void ethernet_setmac(uint64_t mac)
{
EthernetDisable(ETH_BASE);
EthernetMACAddrSet(ETH_BASE, (unsigned char *)&mac);
EthernetEnable(ETH_BASE);
return;
}
//*****************************************************************************
//
//! Initializes the lwIP TCP/IP stack.
//!
//! \param pucMAC is a pointer to a six byte array containing the MAC
//! address to be used for the interface.
//! \param ulIPAddr is the IP address to be used (static).
//! \param ulNetMask is the network mask to be used (static).
//! \param ulGWAddr is the Gateway address to be used (static).
//! \param ulIPMode is the IP Address Mode. \b IPADDR_USE_STATIC will force
//! static IP addressing to be used, \b IPADDR_USE_DHCP will force DHCP with
//! fallback to Link Local (Auto IP), while \b IPADDR_USE_AUTOIP will force
//! Link Local only.
//!
//! This function performs initialization of the lwIP TCP/IP stack for the
//! Stellaris Ethernet MAC, including DHCP and/or AutoIP, as configured.
//!
//! \return None.
//
//*****************************************************************************
void
lwIPInit(const unsigned char *pucMAC, unsigned long ulIPAddr,
unsigned long ulNetMask, unsigned long ulGWAddr,
unsigned long ulIPMode)
{
//
// Check the parameters.
//
#if LWIP_DHCP && LWIP_AUTOIP
ASSERT((ulIPMode == IPADDR_USE_STATIC) ||
(ulIPMode == IPADDR_USE_DHCP) ||
(ulIPMode == IPADDR_USE_AUTOIP));
#elif LWIP_DHCP
ASSERT((ulIPMode == IPADDR_USE_STATIC) ||
(ulIPMode == IPADDR_USE_DHCP));
#elif LWIP_AUTOIP
ASSERT((ulIPMode == IPADDR_USE_STATIC) ||
(ulIPMode == IPADDR_USE_AUTOIP));
#else
ASSERT(ulIPMode == IPADDR_USE_STATIC);
#endif
//
// Enable the ethernet peripheral.
//
SysCtlPeripheralEnable(SYSCTL_PERIPH_ETH);
//
// Program the MAC address into the Ethernet controller.
//
EthernetMACAddrSet(ETH_BASE, (unsigned char *)pucMAC);
//
// Save the network configuration for later use by the private
// initialization.
//
g_ulIPMode = ulIPMode;
g_ulIPAddr = ulIPAddr;
g_ulNetMask = ulNetMask;
g_ulGWAddr = ulGWAddr;
//
// Initialize lwIP. The remainder of initialization is done immediately if
// not using a RTOS and it is deferred to the TCP/IP thread's context if
// using a RTOS.
//
#if NO_SYS
lwIPPrivateInit(0);
#else
tcpip_init(lwIPPrivateInit, 0);
#endif
}
/**
* In this function, the hardware should be initialized.
* Called from stellarisif_init().
*
* @param netif the already initialized lwip network interface structure
* for this ethernetif
*/
static void
stellarisif_hwinit(struct netif *netif)
{
u32_t temp;
//struct stellarisif *stellarisif = netif->state;
/* set MAC hardware address length */
netif->hwaddr_len = ETHARP_HWADDR_LEN;
/* set MAC hardware address */
EthernetMACAddrSet(ETH_BASE, &(netif->hwaddr[0]));
/* maximum transfer unit */
netif->mtu = 1500;
/* device capabilities */
/* don't set NETIF_FLAG_ETHARP if this device is not an ethernet one */
netif->flags = NETIF_FLAG_BROADCAST | NETIF_FLAG_ETHARP | NETIF_FLAG_LINK_UP;
/* Do whatever else is needed to initialize interface. */
/* Disable all Ethernet Interrupts. */
EthernetIntDisable(ETH_BASE, (ETH_INT_PHY | ETH_INT_MDIO | ETH_INT_RXER |
ETH_INT_RXOF | ETH_INT_TX | ETH_INT_TXER | ETH_INT_RX));
temp = EthernetIntStatus(ETH_BASE, false);
EthernetIntClear(ETH_BASE, temp);
/* Initialize the Ethernet Controller. */
EthernetInitExpClk(ETH_BASE, SysCtlClockGet());
/*
* Configure the Ethernet Controller for normal operation.
* - Enable TX Duplex Mode
* - Enable TX Padding
* - Enable TX CRC Generation
* - Enable RX Multicast Reception
*/
EthernetConfigSet(ETH_BASE, (ETH_CFG_TX_DPLXEN |ETH_CFG_TX_CRCEN |
ETH_CFG_TX_PADEN | ETH_CFG_RX_AMULEN));
/* Enable the Ethernet Controller transmitter and receiver. */
EthernetEnable(ETH_BASE);
/* Enable the Ethernet Interrupt handler. */
IntEnable(INT_ETH);
/* Enable Ethernet TX and RX Packet Interrupts. */
EthernetIntEnable(ETH_BASE, ETH_INT_RX | ETH_INT_TX);
}
//*****************************************************************************
//
// This example demonstrates the use of the Ethernet Controller with the uIP
// TCP/IP stack.
//
//*****************************************************************************
int
main(void)
{
uip_ipaddr_t ipaddr;
static struct uip_eth_addr sTempAddr;
long lPeriodicTimer, lARPTimer, lPacketLength;
unsigned long ulUser0, ulUser1;
unsigned long ulTemp;
//
// Set the clocking to run directly from the crystal.
//
SysCtlClockSet(SYSCTL_SYSDIV_1 | SYSCTL_USE_OSC | SYSCTL_OSC_MAIN |
SYSCTL_XTAL_8MHZ);
//
// Initialize the OLED display.
//
RIT128x96x4Init(1000000);
RIT128x96x4StringDraw("Ethernet with uIP", 12, 0, 15);
//
// Enable and Reset the Ethernet Controller.
//
SysCtlPeripheralEnable(SYSCTL_PERIPH_ETH);
SysCtlPeripheralReset(SYSCTL_PERIPH_ETH);
//
// Enable Port F for Ethernet LEDs.
// LED0 Bit 3 Output
// LED1 Bit 2 Output
//
SysCtlPeripheralEnable(SYSCTL_PERIPH_GPIOF);
GPIOPinTypeEthernetLED(GPIO_PORTF_BASE, GPIO_PIN_2 | GPIO_PIN_3);
//
// Configure SysTick for a periodic interrupt.
//
SysTickPeriodSet(SysCtlClockGet() / SYSTICKHZ);
SysTickEnable();
SysTickIntEnable();
//
// Intialize the Ethernet Controller and disable all Ethernet Controller
// interrupt sources.
//
EthernetIntDisable(ETH_BASE, (ETH_INT_PHY | ETH_INT_MDIO | ETH_INT_RXER |
ETH_INT_RXOF | ETH_INT_TX | ETH_INT_TXER | ETH_INT_RX));
ulTemp = EthernetIntStatus(ETH_BASE, false);
EthernetIntClear(ETH_BASE, ulTemp);
//
// Initialize the Ethernet Controller for operation.
//
EthernetInitExpClk(ETH_BASE, SysCtlClockGet());
//
// Configure the Ethernet Controller for normal operation.
// - Full Duplex
// - TX CRC Auto Generation
// - TX Padding Enabled
//
EthernetConfigSet(ETH_BASE, (ETH_CFG_TX_DPLXEN | ETH_CFG_TX_CRCEN |
ETH_CFG_TX_PADEN));
//
// Wait for the link to become active.
//
RIT128x96x4StringDraw("Waiting for Link", 12, 8, 15);
ulTemp = EthernetPHYRead(ETH_BASE, PHY_MR1);
while((ulTemp & 0x0004) == 0)
{
ulTemp = EthernetPHYRead(ETH_BASE, PHY_MR1);
}
RIT128x96x4StringDraw("Link Established", 12, 16, 15);
//
// Enable the Ethernet Controller.
//
EthernetEnable(ETH_BASE);
//
// Enable the Ethernet interrupt.
//
IntEnable(INT_ETH);
//
// Enable the Ethernet RX Packet interrupt source.
//
EthernetIntEnable(ETH_BASE, ETH_INT_RX);
//
// Enable all processor interrupts.
//
IntMasterEnable();
//
// Initialize the uIP TCP/IP stack.
//
uip_init();
#ifdef USE_STATIC_IP
uip_ipaddr(ipaddr, DEFAULT_IPADDR0, DEFAULT_IPADDR1, DEFAULT_IPADDR2,
DEFAULT_IPADDR3);
uip_sethostaddr(ipaddr);
DisplayIPAddress(ipaddr, 18, 24);
uip_ipaddr(ipaddr, DEFAULT_NETMASK0, DEFAULT_NETMASK1, DEFAULT_NETMASK2,
DEFAULT_NETMASK3);
uip_setnetmask(ipaddr);
#else
uip_ipaddr(ipaddr, 0, 0, 0, 0);
uip_sethostaddr(ipaddr);
DisplayIPAddress(ipaddr, 18, 24);
uip_ipaddr(ipaddr, 0, 0, 0, 0);
uip_setnetmask(ipaddr);
#endif
//
// Configure the hardware MAC address for Ethernet Controller filtering of
// incoming packets.
//
// For the Ethernet Eval Kits, the MAC address will be stored in the
// non-volatile USER0 and USER1 registers. These registers can be read
// using the FlashUserGet function, as illustrated below.
//
FlashUserGet(&ulUser0, &ulUser1);
if((ulUser0 == 0xffffffff) || (ulUser1 == 0xffffffff))
{
//
// We should never get here. This is an error if the MAC address has
// not been programmed into the device. Exit the program.
//
RIT128x96x4StringDraw("MAC Address", 0, 16, 15);
RIT128x96x4StringDraw("Not Programmed!", 0, 24, 15);
while(1)
{
}
}
//
// Convert the 24/24 split MAC address from NV ram into a 32/16 split MAC
// address needed to program the hardware registers, then program the MAC
// address into the Ethernet Controller registers.
//
sTempAddr.addr[0] = ((ulUser0 >> 0) & 0xff);
sTempAddr.addr[1] = ((ulUser0 >> 8) & 0xff);
sTempAddr.addr[2] = ((ulUser0 >> 16) & 0xff);
sTempAddr.addr[3] = ((ulUser1 >> 0) & 0xff);
sTempAddr.addr[4] = ((ulUser1 >> 8) & 0xff);
sTempAddr.addr[5] = ((ulUser1 >> 16) & 0xff);
//
// Program the hardware with it's MAC address (for filtering).
//
EthernetMACAddrSet(ETH_BASE, (unsigned char *)&sTempAddr);
uip_setethaddr(sTempAddr);
//
// Initialize the TCP/IP Application (e.g. web server).
//
httpd_init();
#ifndef USE_STATIC_IP
//
// Initialize the DHCP Client Application.
//
dhcpc_init(&sTempAddr.addr[0], 6);
dhcpc_request();
#endif
//
// Main Application Loop.
//
lPeriodicTimer = 0;
lARPTimer = 0;
while(true)
{
//
// Wait for an event to occur. This can be either a System Tick event,
// or an RX Packet event.
//
while(!g_ulFlags)
{
}
//
// If SysTick, Clear the SysTick interrupt flag and increment the
// timers.
//
if(HWREGBITW(&g_ulFlags, FLAG_SYSTICK) == 1)
{
HWREGBITW(&g_ulFlags, FLAG_SYSTICK) = 0;
lPeriodicTimer += SYSTICKMS;
lARPTimer += SYSTICKMS;
}
//
// Check for an RX Packet and read it.
//
lPacketLength = EthernetPacketGetNonBlocking(ETH_BASE, uip_buf,
sizeof(uip_buf));
if(lPacketLength > 0)
{
//
// Set uip_len for uIP stack usage.
//
uip_len = (unsigned short)lPacketLength;
//
// Clear the RX Packet event and renable RX Packet interrupts.
//
if(HWREGBITW(&g_ulFlags, FLAG_RXPKT) == 1)
{
HWREGBITW(&g_ulFlags, FLAG_RXPKT) = 0;
EthernetIntEnable(ETH_BASE, ETH_INT_RX);
}
//
// Process incoming IP packets here.
//
if(BUF->type == htons(UIP_ETHTYPE_IP))
{
uip_arp_ipin();
uip_input();
//
// If the above function invocation resulted in data that
// should be sent out on the network, the global variable
// uip_len is set to a value > 0.
//
if(uip_len > 0)
{
uip_arp_out();
EthernetPacketPut(ETH_BASE, uip_buf, uip_len);
uip_len = 0;
}
}
//
// Process incoming ARP packets here.
//
else if(BUF->type == htons(UIP_ETHTYPE_ARP))
{
uip_arp_arpin();
//
// If the above function invocation resulted in data that
// should be sent out on the network, the global variable
// uip_len is set to a value > 0.
//
if(uip_len > 0)
{
EthernetPacketPut(ETH_BASE, uip_buf, uip_len);
uip_len = 0;
}
}
}
//
// Process TCP/IP Periodic Timer here.
//
if(lPeriodicTimer > UIP_PERIODIC_TIMER_MS)
{
lPeriodicTimer = 0;
for(ulTemp = 0; ulTemp < UIP_CONNS; ulTemp++)
{
uip_periodic(ulTemp);
//
// If the above function invocation resulted in data that
// should be sent out on the network, the global variable
// uip_len is set to a value > 0.
//
if(uip_len > 0)
{
uip_arp_out();
EthernetPacketPut(ETH_BASE, uip_buf, uip_len);
uip_len = 0;
}
}
#if UIP_UDP
for(ulTemp = 0; ulTemp < UIP_UDP_CONNS; ulTemp++)
{
uip_udp_periodic(ulTemp);
//
// If the above function invocation resulted in data that
// should be sent out on the network, the global variable
// uip_len is set to a value > 0.
//
if(uip_len > 0)
{
uip_arp_out();
EthernetPacketPut(ETH_BASE, uip_buf, uip_len);
uip_len = 0;
}
}
#endif // UIP_UDP
}
//
// Process ARP Timer here.
//
if(lARPTimer > UIP_ARP_TIMER_MS)
{
lARPTimer = 0;
uip_arp_timer();
}
}
}
