/*********************************************************************************************************//**
* @brief Period_Reload program,the example main funtion.
* @retval None
***********************************************************************************************************/
void Period_Reload(void)
{
NVIC_Configuration(); /* NVIC configuration */
CKCU_Configuration(); /* System Related configuration */
USART_Configuration(); /* USART Related configuration */
SYSTICK_Configuration(); /* SYSTICK Related configuration */
LED_Configuration();
/* WatchDog configuration */
WDT_IntConfig(ENABLE); /* Enable WDT Interrupt */
WDT_SetPrescaler(WDT_PRESCALER_8); /* Set Prescaler Value as 2 */
WDT_SetReloadValue(0xEFF); /* Set Reload Value as 0xEFF */
WDT_Restart(); /* Reload Counter as WDTV Value */
WDT_SetDeltaValue(0xA00); /* Set Delta Value as 0xA00 */
WDT_ProtectCmd(ENABLE); /* Enable Protection */
//printf("\n\rWDT Period Reload Starts...\n\r");
//printf("The Program Is Still Working If LED3 Keep Flashing\n\r");
/* Enable the SYSTICK Counter */
SYSTICK_CounterCmd(SYSTICK_COUNTER_ENABLE);
while(1);
}
/*******************************************************************************
* Function Name : Set_System
* Description : Configures Main system clocks & power.
* Input : None.
* Return : None.
*******************************************************************************/
void Set_System(void)
{
/* SYSCLK, HCLK, PCLK2 and PCLK1 configuration -----------------------------*/
/* RCC system reset(for debug purpose) */
RCC_DeInit();
/* Enable HSE */
RCC_HSEConfig(RCC_HSE_ON);
/* Wait till HSE is ready */
HSEStartUpStatus = RCC_WaitForHSEStartUp();
if(HSEStartUpStatus == SUCCESS)
{
/* Enable Prefetch Buffer */
FLASH_PrefetchBufferCmd(FLASH_PrefetchBuffer_Enable);
/* Flash 2 wait state */
FLASH_SetLatency(FLASH_Latency_2);
/* HCLK = SYSCLK */
RCC_HCLKConfig(RCC_SYSCLK_Div1);
/* PCLK2 = HCLK */
RCC_PCLK2Config(RCC_HCLK_Div1);
/* PCLK1 = HCLK/2 */
RCC_PCLK1Config(RCC_HCLK_Div2);
/* On STICE the PLL output clock is fixed to 72 MHz */
RCC_PLLConfig(RCC_PLLSource_HSE_Div1, RCC_PLLMul_9);
/* Enable PLL */
RCC_PLLCmd(ENABLE);
/* Wait till PLL is ready */
while(RCC_GetFlagStatus(RCC_FLAG_PLLRDY) == RESET)
{
}
/* Select PLL as system clock source */
RCC_SYSCLKConfig(RCC_SYSCLKSource_PLLCLK);
/* Wait till PLL is used as system clock source */
while(RCC_GetSYSCLKSource() != 0x08)
{
}
}
/* Enable USART1, GPIOA, GPIOD and AFIO clocks RCC_APB2Periph_USART1 |*/
RCC_APB2PeriphClockCmd( RCC_APB2Periph_GPIOA
| RCC_APB2Periph_AFIO | RCC_APB2Periph_USART1, ENABLE);
RCC_APB1PeriphClockCmd(RCC_APB1Periph_USART2, ENABLE);
/* Configure the used GPIOs*/
GPIO_Configuration();
/* Configure the EXTI lines for Key and Tamper push buttons*/
EXTI_Configuration();
UART_Configuration();
SYSTICK_Configuration();
}
