stm32_ota/USER/IAP/iap.c

#include <string.h>
#include "sys.h"
#include "iap.h"
#include "sysport.h"
#include "user_flash.h"	
#include "usercmd.h"
#include "user_tcp.h"
#include "user_oled.h"
#include "watchdog.h"
  
/********************************************************************************
  * @file    iap.c
  * @author  <EFBFBD>̳ϿƼ<EFBFBD>  Mr.Wang
  * @version V1.0.0
  * @date    11-Dec-2018
  * @brief   ʵ<EFBFBD>ֹ̼<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ת
  ******************************************************************************
  * @attention
*******************************************************************************/

/**********************************************************************************
*<EFBFBD><EFBFBD><EFBFBD>峣<EFBFBD><EFBFBD><EFBFBD><EFBFBD>
***********************************************************************************/
iapfun jump2app ; 

/*********************************************************************************************
У<EFBFBD><EFBFBD><EFBFBD>̼<EFBFBD><EFBFBD>Ϸ<EFBFBD><EFBFBD>ԡ<EFBFBD><EFBFBD><EFBFBD>ȡ<EFBFBD><EFBFBD>ת<EFBFBD><EFBFBD>FLASH<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>׵<EFBFBD>ַ
*********************************************************************************************/
uint32_t QueryNewAppArea(uint32_t appNum ) 
{
	  uint32_t appAddr = 0 ;
	  Watchdog_Feed() ;
	  switch( appNum )
				{
					 case 0x00000031: case APP1_AREA_ADDR:
								{
									 uint32_t addr  = ((*(vu32*)(APP1_AREA_ADDR+4))&0xFFFF0000);
									
RUNAPP1:				   if((addr == (APP1_AREA_ADDR & 0xFFFF0000))
									||(addr == 0x8020000))//<2F>ж<EFBFBD><D0B6>Ƿ<EFBFBD>Ϊ0X08XXXXXX.
										 { 	
											 TcpUpdata( BOOTTOTCPFRAME, "<EFBFBD><EFBFBD>ʼִ<EFBFBD><EFBFBD>APP1<EFBFBD>û<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>!") ;
											 appAddr = APP1_AREA_ADDR ;											 
										 }
									 else
										 {
										    TcpUpdata( BOOTTOTCPFRAME, "APP1<EFBFBD>û<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>") ;
										 }
									 break ;
								}								 
						case 0x00000032: case APP2_AREA_ADDR:
								{
									 if( ((*(vu32*)(APP2_AREA_ADDR+4))&0xFFFF0000) >= (APP2_AREA_ADDR & 0xFFFF0000)) //У<><D0A3><EFBFBD>洢<EFBFBD><E6B4A2>FLASH<53>еĹ̼<C4B9><CCBC>Ϸ<EFBFBD>
										 {	
											 TcpUpdata( BOOTTOTCPFRAME, "<EFBFBD><EFBFBD>ʼִ<EFBFBD><EFBFBD>APP2<EFBFBD>û<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>!") ;												 
											 appAddr = APP2_AREA_ADDR ;	
										 }
										else
										 {
										   TcpUpdata( BOOTTOTCPFRAME, "APP2<EFBFBD>û<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>") ;
									     goto RUNAPP1 ;  //ִ<><D6B4>Ӧ<EFBFBD><D3A6><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
										 }
										break ;
								}
						case 0x00000033: case APP3_AREA_ADDR:
								{
									 if( ((*(vu32*)(APP3_AREA_ADDR+4))&0xFFFF0000) == (APP3_AREA_ADDR & 0xFFFF0000)) //У<><D0A3><EFBFBD>洢<EFBFBD><E6B4A2>FLASH<53>еĹ̼<C4B9><CCBC>Ϸ<EFBFBD>
										 {	
											 TcpUpdata( BOOTTOTCPFRAME, "<EFBFBD><EFBFBD>ʼִ<EFBFBD><EFBFBD>APP3<EFBFBD>û<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>!") ;													 
											 appAddr = APP3_AREA_ADDR ;
										 }
										else
										 {
											 TcpUpdata( BOOTTOTCPFRAME, "APP3<EFBFBD>û<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>") ;											 
											 goto RUNAPP1 ;										 
										 }
										break ;
								}
						default:
								{
									 TcpUpdata( BOOTTOTCPFRAME, "APPNUM<EFBFBD><EFBFBD><EFBFBD>Ϸ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ִ<EFBFBD><EFBFBD>Ӧ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>") ;
									 goto RUNAPP1 ;
								}
				}	
    return (appAddr) ;				
}

/**************************************************************************************************
* <EFBFBD><EFBFBD>    <EFBFBD>ƣ<EFBFBD>  void Iap_Load_App(u32 appxAddr)
* ˵    <EFBFBD><EFBFBD><EFBFBD><EFBFBD>  <EFBFBD><EFBFBD>תִ<EFBFBD><EFBFBD>APP<EFBFBD><EFBFBD><EFBFBD><EFBFBD>
* <EFBFBD><EFBFBD><EFBFBD>ڲ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
*				 @param1  appxAddr:     <EFBFBD>û<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ʼ<EFBFBD><EFBFBD>ַ.
*				     @arg  0x0801C000<EFBFBD><EFBFBD> <EFBFBD><EFBFBD>Flash<EFBFBD><EFBFBD>ַ0x08010000<EFBFBD><EFBFBD>ʼִ<EFBFBD><EFBFBD>APP
* ˵    <EFBFBD><EFBFBD><EFBFBD><EFBFBD> 
* <EFBFBD><EFBFBD><EFBFBD>÷<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> Iap_Load_App(FLASH_APP1_ADDR) ;//ִ<><D6B4>FLASH APP<50><50><EFBFBD><EFBFBD>
*            Iap_Load_App(0X20001000) ;//SRAM<41><4D>ַ
*************************************************************************************************/
void Iap_Load_App(u32 appxAddr)
{ 
	if( ((*(vu32*)appxAddr)&0x2FFE0000) == 0x20000000 )	//<2F><><EFBFBD><EFBFBD>ջ<EFBFBD><D5BB><EFBFBD><EFBFBD>ַ<EFBFBD>Ƿ<EFBFBD><C7B7>Ϸ<EFBFBD>.
	{ 
		jump2app = (iapfun)*(vu32*)(appxAddr+4) ;		    //<2F>û<EFBFBD><C3BB><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ڶ<EFBFBD><DAB6><EFBFBD><EFBFBD><EFBFBD>Ϊ<EFBFBD><CEAA><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ʼ<EFBFBD><CABC>ַ(<28><>λ<EFBFBD><CEBB>ַ)		
		MSR_MSP(*(vu32*)appxAddr) ;					            //<2F><>ʼ<EFBFBD><CABC>APP<50><50>ջָ<D5BB><D6B8>(<28>û<EFBFBD><C3BB><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ĵ<EFBFBD>һ<EFBFBD><D2BB><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ڴ<EFBFBD><DAB4><EFBFBD>ջ<EFBFBD><D5BB><EFBFBD><EFBFBD>ַ)
		jump2app() ;									                  //<2F><>ת<EFBFBD><D7AA>APP.
	}
}