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/* ... */
#include "main.h"
#include "lwip/init.h"
#include "lwip/netif.h"
#include "lwip/timeouts.h"
#include "netif/etharp.h"
#include "ethernetif.h"
#include "app_ethernet.h"
#include "udp_echoclient.h"
8 includes#ifdef USE_LCD
#include "lcd_log.h"
#endif
Includes
struct netif gnetif;
Private variables
static void SystemClock_Config(void);
static void BSP_Config(void);
static void Netif_Config(void);
static void Error_Handler(void);
Private function prototypes
/* ... */
int main(void)
{
/* ... */
HAL_Init();
SystemClock_Config();
BSP_Config();
lwip_init();
Netif_Config();
udp_echoclient_connect();
while (1)
{
/* ... */
ethernetif_input(&gnetif);
sys_check_timeouts();
#if LWIP_NETIF_LINK_CALLBACK
Ethernet_Link_Periodic_Handle(&gnetif);
#endif
#if LWIP_DHCP
DHCP_Periodic_Handle(&gnetif);
#endif
}while (1) { ... }
}{ ... }
/* ... */
static void BSP_Config(void)
{
BSP_LED_Init(LED1);
BSP_LED_Init(LED2);
BSP_LED_Init(LED3);
HAL_NVIC_SetPriority(SysTick_IRQn, 0x0, 0x0);
#ifdef USE_LCD
BSP_LCD_Init();
BSP_LCD_LayerDefaultInit(0, LCD_FB_START_ADDRESS);
BSP_LCD_SetFont(&LCD_DEFAULT_FONT);
LCD_LOG_Init();
LCD_LOG_SetHeader((uint8_t *)"UDP Echo Client Application");
LCD_LOG_SetFooter((uint8_t *)"STM32469I-EVAL board");
LCD_UsrLog ((char *)" State: Ethernet Initialization ...\n");
/* ... */
#endif
}{ ... }
/* ... */
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
IP4_ADDR(&ipaddr, IP_ADDR0, IP_ADDR1, IP_ADDR2, IP_ADDR3);
IP4_ADDR(&netmask, NETMASK_ADDR0, NETMASK_ADDR1 , NETMASK_ADDR2, NETMASK_ADDR3);
IP4_ADDR(&gw, GW_ADDR0, GW_ADDR1, GW_ADDR2, GW_ADDR3);
/* ... */
#endif
netif_add(&gnetif, &ipaddr, &netmask, &gw, NULL, ðernetif_init, ðernet_input);
netif_set_default(&gnetif);
ethernet_link_status_updated(&gnetif);
#if LWIP_NETIF_LINK_CALLBACK
netif_set_link_callback(&gnetif, ethernet_link_status_updated);
#endif
}{ ... }
/* ... */
void HAL_GPIO_EXTI_Callback(uint16_t GPIO_Pin)
{
if (GPIO_Pin == GPIO_PIN_13)
{
udp_echoclient_send();
}if (GPIO_Pin == GPIO_PIN_13) { ... }
}{ ... }
/* ... */
static void SystemClock_Config(void)
{
RCC_ClkInitTypeDef RCC_ClkInitStruct;
RCC_OscInitTypeDef RCC_OscInitStruct;
HAL_StatusTypeDef ret = HAL_OK;
__HAL_RCC_PWR_CLK_ENABLE();
/* ... */
__HAL_PWR_VOLTAGESCALING_CONFIG(PWR_REGULATOR_VOLTAGE_SCALE1);
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 = 360;
RCC_OscInitStruct.PLL.PLLP = RCC_PLLP_DIV2;
RCC_OscInitStruct.PLL.PLLQ = 7;
RCC_OscInitStruct.PLL.PLLR = 6;
ret = HAL_RCC_OscConfig(&RCC_OscInitStruct);
if(ret != HAL_OK)
{
Error_Handler();
}if (ret != HAL_OK) { ... }
ret = HAL_PWREx_EnableOverDrive();
if(ret != HAL_OK)
{
Error_Handler();
}if (ret != HAL_OK) { ... }
/* ... */
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;
ret = HAL_RCC_ClockConfig(&RCC_ClkInitStruct, FLASH_LATENCY_5);
if(ret != HAL_OK)
{
Error_Handler();
}if (ret != HAL_OK) { ... }
}{ ... }
/* ... */
static void Error_Handler(void)
{
BSP_LED_On(LED3);
while (1)
{
}while (1) { ... }
}{ ... }
#ifdef USE_FULL_ASSERT
/* ... */
void assert_failed(uint8_t* file, uint32_t line)
{
/* ... */
while (1)
{
}while (1) { ... }
}assert_failed (uint8_t* file, uint32_t line) { ... }
/* ... */#endifPrivate functions