/** * @brief Main program. * @param None * @retval None */ int main(void) { /*!< At this stage the microcontroller clock setting is already configured to 168 MHz, this is done through SystemInit() function which is called from startup file (startup_stm32f4xx.s) before to branch to application main. To reconfigure the default setting of SystemInit() function, refer to system_stm32f4xx.c file */ //add a long delay wait for DP83848 finish reset unsigned int i,j; for(i=0;i<50;i++) { for(j=0;j < 65500;j++); } #ifdef SERIAL_DEBUG DebugComPort_Init(); #endif /*Initialize LCD and Leds */ LCD_LED_Init(); /* configure ethernet (GPIOs, clocks, MAC, DMA) */ ETH_BSP_Config(); /* Initilaize the LwIP stack */ LwIP_Init(); /* tcp echo server Init */ tcp_echoserver_init(); /* Infinite loop */ while (1) { /* check if any packet received */ if (ETH_CheckFrameReceived()) { /* process received ethernet packet */ LwIP_Pkt_Handle(); } /* handle periodic timers for LwIP */ LwIP_Periodic_Handle(LocalTime); } }
/** * @brief Main program. * @param None * @retval None */ int main(void) { /* STM32F4xx HAL library initialization: - Configure the Flash prefetch, instruction and Data caches - Configure the Systick to generate an interrupt each 1 msec - Set NVIC Group Priority to 4 - Global MSP (MCU Support Package) initialization */ HAL_Init(); /* Configure the system clock to have a system clock = 180 Mhz */ SystemClock_Config(); /* Configure the BSP */ BSP_Config(); /* Initilaize the LwIP stack */ lwip_init(); /* Configure the Network interface */ Netif_Config(); /* tcp echo server Init */ tcp_echoserver_init(); /* Notify user about the netwoek interface config */ User_notification(&gnetif); /* Infinite loop */ while (1) { /* Read a received packet from the Ethernet buffers and send it to the lwIP for handling */ ethernetif_input(&gnetif); /* Handle timeouts */ sys_check_timeouts(); } }