/*------------------------------------------------------------
* Function Name : ConfirmAutoUpdatePassword
* Description : 验证自动升级密码
* Input : None
* Output : None
* Return : None
*------------------------------------------------------------*/
static TestStatus ConfirmAutoUpdatePassword( void )
{
TestStatus status = FAILED;
const uint32_t DEFAULT_PASSWORD = 0X00000000;
uint32_t RTC_BKP_DATA = 0;
bsp_InitRTC();
RTC_BKP_DATA = ReadRTC_BKP_DR(0);
if (RTC_BKP_DATA == PRIVATE_PASSWORD)
{
WriteToRTC_BKP_DR(0,DEFAULT_PASSWORD);
RTC_BKP_DATA = ReadRTC_BKP_DR(0);
if (RTC_BKP_DATA == DEFAULT_PASSWORD)
{
status = PASSED;
}
}
bsp_DeInitRTC();
return status;
}
/**
* @brief Main program
* @param None
* @retval None
*/
int main(void)
{
/*!< At this stage the microcontroller clock setting is already configured,
this is done through SystemInit() function which is called from startup
files (startup_stm32f40xx.s/startup_stm32f427x.s) before to branch to
application main.
To reconfigure the default setting of SystemInit() function, refer to
system_stm32f4xx.c file
*/
/* Initialize Leds mounted on EVAL board */
STM_EVAL_LEDInit(LED1);
STM_EVAL_LEDInit(LED2);
STM_EVAL_LEDInit(LED3);
STM_EVAL_LEDInit(LED4);
/* RTC configuration */
RTC_Config();
/* Write To RTC Backup Data registers */
WriteToRTC_BKP_DR(0xA53C);
/* Check if the written data are correct */
if(CheckRTC_BKP_DR(0xA53C) == 0)
{
/* Turn on LED1 */
STM_EVAL_LEDOn(LED1);
}
else
{
/* Turn on LED3 */
STM_EVAL_LEDOn(LED3);
}
while (1)
{
}
}
