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;
}
//*****************************************************************************
//
// Initialize the Ethernet client
//
// This function initializes all the Ethernet components to not configured.
// This tells the SysTick interrupt which timer modules to call.
//
// \return None.
//
//*****************************************************************************
void
EthClientInit(tEventFunction pfnEvent)
{
uint32_t ui32User0, ui32User1;
//
// Initialize all the Ethernet components to not configured. This tells
// the SysTick interrupt which timer modules to call.
//
HWREGBITW(&g_sEnet.ui32Flags, FLAG_TIMER_DHCP_EN) = 0;
HWREGBITW(&g_sEnet.ui32Flags, FLAG_TIMER_DNS_EN) = 0;
HWREGBITW(&g_sEnet.ui32Flags, FLAG_TIMER_TCP_EN) = 0;
g_sEnet.eState = iEthNoConnection;
g_sEnet.pfnEvent = pfnEvent;
//
// 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.
//
FlashUserGet(&ui32User0, &ui32User1);
g_sEnet.pui8MACAddr[0] = ((ui32User0 >> 0) & 0xff);
g_sEnet.pui8MACAddr[1] = ((ui32User0 >> 8) & 0xff);
g_sEnet.pui8MACAddr[2] = ((ui32User0 >> 16) & 0xff);
g_sEnet.pui8MACAddr[3] = ((ui32User1 >> 0) & 0xff);
g_sEnet.pui8MACAddr[4] = ((ui32User1 >> 8) & 0xff);
g_sEnet.pui8MACAddr[5] = ((ui32User1 >> 16) & 0xff);
lwIPInit(g_ui32SysClock, g_sEnet.pui8MACAddr, 0, 0, 0, IPADDR_USE_DHCP);
//
// Start lwIP tick interrupt.
//
HWREGBITW(&g_sEnet.ui32Flags, FLAG_TIMER_DHCP_EN) = 1;
}
//*****************************************************************************
//
// 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();
}
}
}
//*****************************************************************************
//
// Set the SimpliciTI device address as the least significant 4 digits of the
// device Ethernet MAC address. This ensures that the address is unique across
// Stellaris devices. If the MAC address has not been set, we return false to
// indicate failure.
//
//*****************************************************************************
tBoolean
SetSimpliciTIAddress(void)
{
unsigned long ulUser0, ulUser1;
addr_t sAddr;
//
// Make sure we are using 4 byte addressing.
//
ASSERT(NET_ADDR_SIZE == 4);
//
// Get the MAC address from the non-volatile user registers.
//
FlashUserGet(&ulUser0, &ulUser1);
//
// Has the MAC address been programmed?
//
if((ulUser0 == 0xffffffff) || (ulUser1 == 0xffffffff))
{
//
// No - we don't have an address so return a failure.
//
UpdateStatus(false, "Flash user registers are clear");
UpdateStatus(true, "Error - address not set!");
return(false);
}
else
{
//
// The MAC address is stored with 3 bytes in each of the 2 flash user
// registers. Extract the least significant 4 MAC bytes for use as the
// SimpliciTI device address.
//
sAddr.addr[0] = ((ulUser1 >> 16) & 0xff);
sAddr.addr[1] = ((ulUser1 >> 8) & 0xff);
sAddr.addr[2] = ((ulUser1 >> 0) & 0xff);
sAddr.addr[3] = ((ulUser0 >> 16) & 0xff);
//
// SimpliciTI requires that the first byte of the device address is
// never either 0x00 or 0xFF so we check for these cases and invert the
// first bit if either is detected. This does result in the
// possibility of two devices having the same address but, for example
// purposes, is likely to be fine.
//
if((sAddr.addr[0] == 0x00) || (sAddr.addr[0] == 0xFF))
{
sAddr.addr[0] ^= 0x80;
}
//
// Tell the SimpliciTI stack which device address we want to use.
//
SMPL_Ioctl(IOCTL_OBJ_ADDR, IOCTL_ACT_SET, &sAddr);
}
//
// If we get here, all is well.
//
return(true);
}