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/**
******************************************************************************
* @file LwIP/LwIP_HTTP_Server_Socket_RTOS/Src/main.c
* @author MCD Application Team
* @brief This sample code implements a http server application based on
* Netconn API of LwIP stack and FreeRTOS. This application uses
* STM32F4xx the ETH HAL API to transmit and receive data.
* The communication is done with a web browser of a remote PC.
******************************************************************************
* @attention
*
* Copyright (c) 2017 STMicroelectronics.
* All rights reserved.
*
* This software is licensed under terms that can be found in the LICENSE file
* in the root directory of this software component.
* If no LICENSE file comes with this software, it is provided AS-IS.
*
******************************************************************************
*/
/* Includes ------------------------------------------------------------------*/
#include "main.h"
#include "ethernetif.h"
#include "lwip/netif.h"
#include "lwip/tcpip.h"
#include "app_ethernet.h"
#include "httpserver-socket.h"
#ifdef USE_LCD
#include "lcd_log.h"
#endif
/* Private typedef -----------------------------------------------------------*/
/* Private define ------------------------------------------------------------*/
/* Private macro -------------------------------------------------------------*/
/* Private variables ---------------------------------------------------------*/
struct netif gnetif; /* network interface structure */
/* Private function prototypes -----------------------------------------------*/
static void SystemClock_Config(void);
static void StartThread(void const * argument);
static void BSP_Config(void);
static void Netif_Config(void);
/* Private functions ---------------------------------------------------------*/
/**
* @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 168 MHz */
SystemClock_Config();
/* Init task */
#if defined(__GNUC__)
osThreadDef(Start, StartThread, osPriorityNormal, 0, configMINIMAL_STACK_SIZE * 5);
#else
osThreadDef(Start, StartThread, osPriorityNormal, 0, configMINIMAL_STACK_SIZE * 2);
#endif
osThreadCreate (osThread(Start), NULL);
/* Start scheduler */
osKernelStart();
/* We should never get here as control is now taken by the scheduler */
for( ;; );
}
/**
* @brief Start Thread
* @param argument not used
* @retval None
*/
static void StartThread(void const * argument)
{
/* Initialize LCD and LEDs */
BSP_Config();
/* Create tcp_ip stack thread */
tcpip_init(NULL, NULL);
/* Initialize the LwIP stack */
Netif_Config();
/* Initialize webserver demo */
http_server_socket_init();
for( ;; )
{
/* Delete the Init Thread */
osThreadTerminate(NULL);
}
}
/**
* @brief Initializes the lwIP stack
* @param None
* @retval None
*/
static void Netif_Config(void)
{
ip_addr_t ipaddr;
ip_addr_t netmask;
ip_addr_t gw;
#if LWIP_DHCP
ip_addr_set_zero_ip4(&ipaddr);
ip_addr_set_zero_ip4(&netmask);
ip_addr_set_zero_ip4(&gw);
#else
IP_ADDR4(&ipaddr,IP_ADDR0,IP_ADDR1,IP_ADDR2,IP_ADDR3);
IP_ADDR4(&netmask,NETMASK_ADDR0,NETMASK_ADDR1,NETMASK_ADDR2,NETMASK_ADDR3);
IP_ADDR4(&gw,GW_ADDR0,GW_ADDR1,GW_ADDR2,GW_ADDR3);
#endif /* LWIP_DHCP */
/* add the network interface */
netif_add(&gnetif, &ipaddr, &netmask, &gw, NULL, ðernetif_init, &tcpip_input);
/* Registers the default network interface. */
netif_set_default(&gnetif);
ethernet_link_status_updated(&gnetif);
#if LWIP_NETIF_LINK_CALLBACK
netif_set_link_callback(&gnetif, ethernet_link_status_updated);
osThreadDef(EthLink, ethernet_link_thread, osPriorityNormal, 0, configMINIMAL_STACK_SIZE *2);
osThreadCreate (osThread(EthLink), &gnetif);
#endif
#if LWIP_DHCP
/* Start DHCPClient */
osThreadDef(DHCP, DHCP_Thread, osPriorityBelowNormal, 0, configMINIMAL_STACK_SIZE * 2);
osThreadCreate (osThread(DHCP), &gnetif);
#endif
}
/**
* @brief Initializes the LCD and LEDs resources.
* @param None
* @retval None
*/
static void BSP_Config(void)
{
/* Configure LED1, LED2, and LED4 */
BSP_LED_Init(LED1);
BSP_LED_Init(LED2);
BSP_LED_Init(LED4);
#ifdef USE_LCD
/* Initialize the LCD */
BSP_LCD_Init();
BSP_LCD_SetFont(&LCD_DEFAULT_FONT);
/* Initialize LCD Log module */
LCD_LOG_Init();
/* Show Header and Footer texts */
LCD_LOG_SetHeader((uint8_t *)"Webserver Application");
LCD_LOG_SetFooter((uint8_t *)"STM324xG-EVAL board");
LCD_UsrLog(" State: Ethernet Initialization ...\n");
#endif
}
/**
* @brief System Clock Configuration
* The system Clock is configured as follow :
* System Clock source = PLL (HSE)
* SYSCLK(Hz) = 168000000
* HCLK(Hz) = 168000000
* AHB Prescaler = 1
* APB1 Prescaler = 4
* APB2 Prescaler = 2
* HSE Frequency(Hz) = 25000000
* PLL_M = 25
* PLL_N = 336
* PLL_P = 2
* PLL_Q = 7
* VDD(V) = 3.3
* Main regulator output voltage = Scale1 mode
* Flash Latency(WS) = 5
* @param None
* @retval None
*/
static void SystemClock_Config(void)
{
RCC_ClkInitTypeDef RCC_ClkInitStruct;
RCC_OscInitTypeDef RCC_OscInitStruct;
/* Enable Power Control clock */
__HAL_RCC_PWR_CLK_ENABLE();
/* The voltage scaling allows optimizing the power consumption when the device is
clocked below the maximum system frequency, to update the voltage scaling value
regarding system frequency refer to product datasheet. */
__HAL_PWR_VOLTAGESCALING_CONFIG(PWR_REGULATOR_VOLTAGE_SCALE1);
/* Enable HSE Oscillator and activate PLL with HSE as source */
RCC_OscInitStruct.OscillatorType = RCC_OSCILLATORTYPE_HSE;
RCC_OscInitStruct.HSEState = RCC_HSE_ON;
RCC_OscInitStruct.PLL.PLLState = RCC_PLL_ON;
RCC_OscInitStruct.PLL.PLLSource = RCC_PLLSOURCE_HSE;
RCC_OscInitStruct.PLL.PLLM = 25;
RCC_OscInitStruct.PLL.PLLN = 336;
RCC_OscInitStruct.PLL.PLLP = RCC_PLLP_DIV2;
RCC_OscInitStruct.PLL.PLLQ = 7;
HAL_RCC_OscConfig(&RCC_OscInitStruct);
/* Select PLL as system clock source and configure the HCLK, PCLK1 and PCLK2
clocks dividers */
RCC_ClkInitStruct.ClockType = (RCC_CLOCKTYPE_SYSCLK | RCC_CLOCKTYPE_HCLK | RCC_CLOCKTYPE_PCLK1 | RCC_CLOCKTYPE_PCLK2);
RCC_ClkInitStruct.SYSCLKSource = RCC_SYSCLKSOURCE_PLLCLK;
RCC_ClkInitStruct.AHBCLKDivider = RCC_SYSCLK_DIV1;
RCC_ClkInitStruct.APB1CLKDivider = RCC_HCLK_DIV4;
RCC_ClkInitStruct.APB2CLKDivider = RCC_HCLK_DIV2;
HAL_RCC_ClockConfig(&RCC_ClkInitStruct, FLASH_LATENCY_5);
/* STM32F405x/407x/415x/417x Revision Z and upper devices: prefetch is supported */
if (HAL_GetREVID() >= 0x1001)
{
/* Enable the Flash prefetch */
__HAL_FLASH_PREFETCH_BUFFER_ENABLE();
}
}
#ifdef USE_FULL_ASSERT
/**
* @brief Reports the name of the source file and the source line number
* where the assert_param error has occurred.
* @param file: pointer to the source file name
* @param line: assert_param error line source number
* @retval None
*/
void assert_failed(uint8_t* file, uint32_t line)
{
/* User can add his own implementation to report the file name and line number,
ex: printf("Wrong parameters value: file %s on line %d\r\n", file, line) */
/* Infinite loop */
while (1)
{
}
}
#endif
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