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/**
* @file main.c
* @author WB R&D Team - openmcu666 Debuger by Lyu Xin
* @version V1.0
* @date 2017.03.09
* @brief Main Program body
*/
#include "stm32f4xx.h"
#include "Gpio.h"
#include "usart.h"
#include "main.h"
#include "stm32f4x7_eth.h"
#include "netconf.h"
#include "eth_bsp.h"
#include "Gpio.h"
#include "tftpserver.h"
#include "httpserver.h"
#include "eeprom.h"
//uint8_t data[40] = "bootloadering...";
uint8_t tftp_flag = 0; //文件傳輸完成標(biāo)識(shí)
__IO uint32_t SystickCnt = 0;
typedef void (*pFunction)(void);
pFunction Jump_To_Application;
uint32_t JumpAddress;
static void delay(__IO uint32_t nCount)
{
__IO uint32_t index = 0;
for(index = 80000*nCount; index != 0; index--)
{
}
}
uint32_t get_systick(void)
{
return SystickCnt;
}
//從扇區(qū)5開(kāi)始擦除 ,偏移128KB ,為0x08020000,作為APP起始地址
//可用HTTP或TFTP方式,默認(rèn)TFTP,如需更改,見(jiàn)main.h文件
/*****************************************************************************
** Main Function main()
******************************************************************************/
int main(void)
{
uint8_t write_buf = 0;
uint8_t read_buf = 0;
I2C_EE_Init();
#ifdef BOOTLOADER_EN
write_buf = 0x66;
I2C_EE_BufferWrite(&write_buf,1,1); //第0塊第0字節(jié)
#endif
#ifdef APP_EN
write_buf = 0x55;
I2C_EE_BufferWrite(&write_buf,1,1); //第0塊第0字節(jié)
#endif
I2C_EE_BufferRead(&read_buf,1,1);
if( read_buf == 0x55 ){
iap();
}
else if(read_buf != 0x55 ){
SysTick_Config(SystemCoreClock / 1000); //systick必須在以太網(wǎng)初始化之前配置
eth_init();
LwIP_Init();
#ifdef USE_IAP_HTTP
IAP_httpd_init();
#endif
#ifdef USE_IAP_TFTP
IAP_tftpd_init();
#endif
while (1)
{
if (ETH_CheckFrameReceived()){
LwIP_Pkt_Handle();
}
LwIP_Periodic_Handle(SystickCnt);
if(tftp_flag == 1){
break;
}
else{
// UDP_Client_Broadcast(data,40);
continue;
}
}
iap();
}
}
void iap(void)
{
if (((*(__IO uint32_t*)USER_FLASH_FIRST_PAGE_ADDRESS) & 0x2FFE0000) == 0x20000000)
{
//跳轉(zhuǎn)到用戶程序
JumpAddress = *(__IO uint32_t*) (USER_FLASH_FIRST_PAGE_ADDRESS + 4);
Jump_To_Application = (pFunction) JumpAddress;
//初始化用戶程序的堆棧指針
__set_MSP(*(__IO uint32_t*) USER_FLASH_FIRST_PAGE_ADDRESS);
Jump_To_Application();
}
}

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