error_t tcpIpStackConfigInterface(NetInterface *interface)
{
error_t error;
//IPv6 specific variables
#if (IPV6_SUPPORT == ENABLED)
Ipv6Addr solicitedNodeAddr;
#endif
//Disable Ethernet controller interrupts
interface->nicDriver->disableIrq(interface);
//Start of exception handling block
do
{
//Receive notifications when the transmitter is ready to send
interface->nicTxEvent = osEventCreate(FALSE, FALSE);
//Out of resources?
if(interface->nicTxEvent == OS_INVALID_HANDLE)
{
//Report an error
error = ERROR_OUT_OF_RESOURCES;
//Stop immediately
break;
}
//Receive notifications when a Ethernet frame has been received,
//or the link status has changed
interface->nicRxEvent = osEventCreate(FALSE, FALSE);
//Out of resources?
if(interface->nicRxEvent == OS_INVALID_HANDLE)
{
//Report an error
error = ERROR_OUT_OF_RESOURCES;
//Stop immediately
break;
}
//Create a mutex to prevent simultaneous access to the NIC driver
interface->nicDriverMutex = osMutexCreate(FALSE);
//Out of resources?
if(interface->nicDriverMutex == OS_INVALID_HANDLE)
{
//Report an error
error = ERROR_OUT_OF_RESOURCES;
//Stop immediately
break;
}
//Ethernet controller configuration
error = interface->nicDriver->init(interface);
//Any error to report?
if(error) break;
//Ethernet related initialization
error = ethInit(interface);
//Any error to report?
if(error) break;
//IPv4 specific initialization
#if (IPV4_SUPPORT == ENABLED)
//Network layer initialization
error = ipv4Init(interface);
//Any error to report?
if(error) break;
//ARP cache initialization
error = arpInit(interface);
//Any error to report?
if(error) break;
#if (IGMP_SUPPORT == ENABLED)
//IGMP related initialization
error = igmpInit(interface);
//Any error to report?
if(error) break;
//Join the all-systems group
error = ipv4JoinMulticastGroup(interface, IGMP_ALL_SYSTEMS_ADDR);
//Any error to report?
if(error) break;
#endif
#endif
//IPv6 specific initialization
#if (IPV6_SUPPORT == ENABLED)
//Network layer initialization
error = ipv6Init(interface);
//Any error to report?
if(error) break;
//Neighbor cache initialization
error = ndpInit(interface);
//Any error to report?
if(error) break;
#if (MLD_SUPPORT == ENABLED)
///MLD related initialization
error = mldInit(interface);
//Any error to report?
if(error) break;
#endif
//Join the All-Nodes multicast address
error = ipv6JoinMulticastGroup(interface, &IPV6_LINK_LOCAL_ALL_NODES_ADDR);
//Any error to report?
if(error) break;
//Form the Solicited-Node address for the link-local address
error = ipv6ComputeSolicitedNodeAddr(&interface->ipv6Config.linkLocalAddr, &solicitedNodeAddr);
//Any error to report?
if(error) break;
//Join the Solicited-Node multicast group for each assigned address
error = ipv6JoinMulticastGroup(interface, &solicitedNodeAddr);
//Any error to report?
if(error) break;
#endif
//Create a task to process incoming frames
interface->rxTask = osTaskCreate("TCP/IP Stack (RX)", tcpIpStackRxTask,
interface, TCP_IP_RX_STACK_SIZE, TCP_IP_RX_PRIORITY);
//Unable to create the task?
if(interface->rxTask == OS_INVALID_HANDLE)
error = ERROR_OUT_OF_RESOURCES;
//End of exception handling block
} while(0);
//Check whether the interface is fully configured
if(!error)
{
//Successful interface configuration
interface->configured = TRUE;
//Interrupts can be safely enabled
interface->nicDriver->enableIrq(interface);
}
else
{
//Clean up side effects before returning
osEventClose(interface->nicTxEvent);
osEventClose(interface->nicRxEvent);
osMutexClose(interface->nicDriverMutex);
}
//Return status code
return error;
}
void main()
{
SCB->VTOR = 0x08000000;
// set clock source as HSI / 2 * (PLL) 4
RCC->CFGR |= RCC_CFGR_PLLMULL8 | RCC_CFGR_PLLXTPRE_HSE_Div2 /*| RCC_CFGR_PLLSRC*/;
RCC->CR |= RCC_CR_PLLON;
while (!(RCC->CR & RCC_CR_PLLRDY));
RCC->CFGR |= RCC_CFGR_SW_PLL;
while (!(RCC->CFGR & RCC_CFGR_SWS_PLL));
// enable peripherals
RCC->APB1ENR = RCC_APB1ENR_TIM2EN;
RCC->APB2ENR = RCC_APB2ENR_IOPAEN | RCC_APB2ENR_IOPBEN | RCC_APB2ENR_IOPCEN | RCC_APB2ENR_ADC1EN | RCC_APB2ENR_USART1EN | RCC_APB2ENR_AFIOEN;
AFIO->MAPR = AFIO_MAPR_SWJ_CFG_JTAGDISABLE;
// configure USART
IO_ALT_PUSH_PULL(UART_TX);
USART1->BRR = USART_BRR(230400);
USART1->CR1 = USART_CR1_UE | USART_CR1_TE | USART_CR1_RE | USART_CR1_RXNEIE;
ENABLE_INTERRUPT(USART1_IRQn);
// enable systick
SysTick->LOAD = SysTick->VAL = (F_CPU / 1000) / 8;
SysTick->CTRL = /*SysTick_CTRL_CLKSOURCE |*/ SysTick_CTRL_ENABLE | SysTick_CTRL_TICKINT;
_delay_init();
IO_PUSH_PULL(LED);
IO_HIGH(LED);
#ifndef ETHERNET_MODULE
OW_UART_init();
tempInit();
ioInit();
irInit();
#endif
#ifdef ETHERNET
ethInit();
#endif
uint8_t b;
uint32_t lastCheck = 0;
for (;;)
{
// if (IO_IS_LOW(IN1)) dodump = 1;
// else dodump = 0;
// dodump=1;
#ifndef ETHERNET_MODULE
ioProcess();
tempProcess();
irProcess();
#endif
provTmr();
#ifdef ETHERNET
ethProcess();
#endif
}
}
