118 lines
3.3 KiB
C
118 lines
3.3 KiB
C
/*******************************************************************************
|
||
* the includes
|
||
******************************************************************************/
|
||
#include "bootapp.h"
|
||
#include "norflash.h"
|
||
#include "uartapp.h"
|
||
/*******************************************************************************
|
||
* the defines
|
||
******************************************************************************/
|
||
#define ENABLE_INT() __set_PRIMASK(0) /* 使能全局中断 */
|
||
#define DISABLE_INT() __set_PRIMASK(1) /* 禁止全局中断 */
|
||
|
||
/*******************************************************************************
|
||
* the typedefs
|
||
******************************************************************************/
|
||
typedef struct
|
||
{
|
||
uint32_t startflag;
|
||
uint32_t len;
|
||
uint32_t AppCRC;
|
||
uint32_t reverse;
|
||
} APPCRC_type;
|
||
|
||
/*******************************************************************************
|
||
* the globals
|
||
******************************************************************************/
|
||
|
||
/*******************************************************************************
|
||
* the const
|
||
******************************************************************************/
|
||
|
||
/*******************************************************************************
|
||
* the functions
|
||
******************************************************************************/
|
||
|
||
void BspQspiBoot_JumpToApp(void)
|
||
{
|
||
uint32_t i = 0;
|
||
void (*AppJump)(void); /* 声明一个函数指针 */
|
||
__IO uint32_t AppAddr = 0x90000000; /* APP 地址 */
|
||
|
||
/* 关闭全局中断 */
|
||
DISABLE_INT();
|
||
|
||
/* 设置所有时钟到默认状态，使用HSI时钟 */
|
||
HAL_RCC_DeInit();
|
||
|
||
/* 关闭滴答定时器，复位到默认值 */
|
||
SysTick->CTRL = 0;
|
||
SysTick->LOAD = 0;
|
||
SysTick->VAL = 0;
|
||
|
||
/* 关闭所有中断，清除所有中断挂起标志 */
|
||
for (i = 0; i < 8; i++)
|
||
{
|
||
NVIC->ICER[i] = 0xFFFFFFFF;
|
||
NVIC->ICPR[i] = 0xFFFFFFFF;
|
||
}
|
||
|
||
/* 使能全局中断 */
|
||
ENABLE_INT();
|
||
|
||
/* 跳转到应用程序，首地址是MSP，地址+4是复位中断服务程序地址 */
|
||
AppJump = (void (*)(void))(*((uint32_t*)(AppAddr + 4)));
|
||
|
||
/* 设置主堆栈指针 */
|
||
__set_MSP(*(uint32_t*)AppAddr);
|
||
|
||
/* 在RTOS工程，这条语句很重要，设置为特权级模式，使用MSP指针 */
|
||
__set_CONTROL(0);
|
||
|
||
/* 跳转到系统BootLoader */
|
||
AppJump();
|
||
|
||
/* 跳转成功的话，不会执行到这里，用户可以在这里添加代码 */
|
||
}
|
||
|
||
void WriteCRCInfo(uint32_t len, uint32_t crc)
|
||
{
|
||
APPCRC_type appcrc;
|
||
appcrc.startflag = 0xAA5555AA;
|
||
appcrc.len = len;
|
||
appcrc.AppCRC = crc;
|
||
appcrc.reverse = 0xAAAAAAAA;
|
||
NORFLASH_Write_NoCheck((uint8_t*)&appcrc, EX_FLASH_CRC_ADDR, 0x10);
|
||
}
|
||
|
||
uint8_t ReadCRCInfo(uint32_t* len, uint32_t* crc)
|
||
{
|
||
APPCRC_type* appcrc = (APPCRC_type*)EX_FLASH_CRC_ADDR;
|
||
if (appcrc->startflag == 0xAA5555AA)
|
||
{
|
||
*len = appcrc->len;
|
||
*crc = appcrc->AppCRC;
|
||
return 1;
|
||
}
|
||
else
|
||
{
|
||
return 0;
|
||
}
|
||
}
|
||
|
||
uint8_t Boot_checkApp(void)
|
||
{
|
||
uint32_t len, crc;
|
||
if (ReadCRCInfo(&len, &crc) == 1)
|
||
{
|
||
if (crc_calc(EX_FLASH_START_ADDR, len) == crc)
|
||
{
|
||
return 1;
|
||
}
|
||
else
|
||
{
|
||
return 0;
|
||
}
|
||
}
|
||
return 0;
|
||
} |