2021-03-03 14:55:52 +01:00

320 lines
9.4 KiB
C

/**
******************************************************************************
* @file LwIP/LwIP_IAP/Src/main.c
* @author MCD Application Team
* @brief Main program body
******************************************************************************
* @attention
*
* <h2><center>&copy; Copyright (c) 2017 STMicroelectronics.
* All rights reserved.</center></h2>
*
* This software component is licensed by ST under Ultimate Liberty license
* SLA0044, the "License"; You may not use this file except in compliance with
* the License. You may obtain a copy of the License at:
* www.st.com/SLA0044
*
******************************************************************************
*/
/* Includes ------------------------------------------------------------------*/
#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 "tftpserver.h"
#include "httpserver.h"
#ifdef USE_LCD
#include "lcd_log.h"
#endif
/* Private typedef -----------------------------------------------------------*/
typedef void (*pFunction)(void);
/* Private define ------------------------------------------------------------*/
/* Private macro -------------------------------------------------------------*/
/* Private variables ---------------------------------------------------------*/
pFunction Jump_To_Application;
uint32_t JumpAddress;
struct netif gnetif;
/* Private function prototypes -----------------------------------------------*/
static void BSP_Config(void);
static void Netif_Config(void);
static void SystemClock_Config(void);
/* Private functions ---------------------------------------------------------*/
/**
* @brief Main program
* @param None
* @retval None
*/
int main(void)
{
/* Configure Key Button */
BSP_PB_Init(BUTTON_KEY, BUTTON_MODE_GPIO);
/* Test if Key push-button on STM324x9I-EVAL Board is not pressed */
if (BSP_PB_GetState(BUTTON_KEY) != 0x00)
{ /* Key push-button not pressed: jump to user application */
/* Check if valid stack address (RAM address) then jump to user application */
if (((*(__IO uint32_t*)USER_FLASH_FIRST_PAGE_ADDRESS) & 0x2FFE0000 ) == 0x20000000)
{
/* Jump to user application */
JumpAddress = *(__IO uint32_t*) (USER_FLASH_FIRST_PAGE_ADDRESS + 4);
Jump_To_Application = (pFunction) JumpAddress;
/* Initialize user application's Stack Pointer */
__set_MSP(*(__IO uint32_t*) USER_FLASH_FIRST_PAGE_ADDRESS);
Jump_To_Application();
/* do nothing */
while(1);
}
else
{/* Otherwise, do nothing */
/* LED3 (RED) ON to indicate bad software (when not valid stack address) */
BSP_LED_Init(LED3);
BSP_LED_On(LED3);
/* do nothing */
while(1);
}
}
/* Enter in IAP mode */
else
{
/* 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 180 MHz */
SystemClock_Config();
/* Configure the BSP */
BSP_Config();
/* Initialize the LwIP stack */
lwip_init();
/* Configure the Network interface */
Netif_Config();
#ifdef USE_IAP_HTTP
/* Initialize the webserver module */
IAP_httpd_init();
#endif
#ifdef USE_IAP_TFTP
/* Initialize the TFTP server */
IAP_tftpd_init();
#endif
/* Notify user about the network 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();
#ifdef USE_DHCP
/* handle periodic timers for LwIP */
DHCP_Periodic_Handle(&gnetif);
#endif
}
}
}
/**
* @brief Configurates the BSP.
* @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);
/* Set Systick Interrupt to the highest priority */
HAL_NVIC_SetPriority(SysTick_IRQn, 0x0, 0x0);
/* Init IO Expander */
BSP_IO_Init();
/* Enable IO Expander interrupt for ETH MII pin */
BSP_IO_ConfigPin(MII_INT_PIN, IO_MODE_IT_FALLING_EDGE);
#ifdef USE_LCD
/* Initialize the LCD */
BSP_LCD_Init();
/* Initialize the LCD Layers */
BSP_LCD_LayerDefaultInit(1, LCD_FB_START_ADDRESS);
/* Set LCD Foreground Layer */
BSP_LCD_SelectLayer(1);
BSP_LCD_SetFont(&LCD_DEFAULT_FONT);
/* Initialize LCD Log module */
LCD_LOG_Init();
/* Show Header and Footer texts */
LCD_LOG_SetHeader((uint8_t *)"Ethernet IAP Application");
LCD_LOG_SetFooter((uint8_t *)"STM324x9I-EVAL board");
LCD_UsrLog (" State: Ethernet Initialization ...\n");
#endif
}
/**
* @brief Configurates the network interface
* @param None
* @retval None
*/
static void Netif_Config(void)
{
ip_addr_t ipaddr;
ip_addr_t netmask;
ip_addr_t gw;
#ifdef USE_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 /* USE_DHCP */
/* Add the network interface */
netif_add(&gnetif, &ipaddr, &netmask, &gw, NULL, &ethernetif_init, &ethernet_input);
/* Registers the default network interface */
netif_set_default(&gnetif);
if (netif_is_link_up(&gnetif))
{
/* When the netif is fully configured this function must be called */
netif_set_up(&gnetif);
}
else
{
/* When the netif link is down this function must be called */
netif_set_down(&gnetif);
}
/* Set the link callback function, this function is called on change of link status*/
netif_set_link_callback(&gnetif, ethernetif_update_config);
}
/**
* @brief EXTI line detection callbacks
* @param GPIO_Pin: Specifies the pins connected EXTI line
* @retval None
*/
void HAL_GPIO_EXTI_Callback(uint16_t GPIO_Pin)
{
/* Get the IT status register value */
if(BSP_IO_ITGetStatus(MII_INT_PIN))
{
ethernetif_set_link(&gnetif);
}
BSP_IO_ITClear();
}
/**
* @brief System Clock Configuration
* The system Clock is configured as follow :
* System Clock source = PLL (HSE)
* SYSCLK(Hz) = 180000000
* HCLK(Hz) = 180000000
* AHB Prescaler = 1
* APB1 Prescaler = 4
* APB2 Prescaler = 2
* HSE Frequency(Hz) = 25000000
* PLL_M = 25
* PLL_N = 360
* 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 = 360;
RCC_OscInitStruct.PLL.PLLP = RCC_PLLP_DIV2;
RCC_OscInitStruct.PLL.PLLQ = 7;
HAL_RCC_OscConfig(&RCC_OscInitStruct);
/* Activate the Over-Drive mode */
HAL_PWREx_EnableOverDrive();
/* 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);
}
#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
/************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/