/**
* @brief Apllication Initialisation Routine
* @param None
* @retval : None
*/
void ApplicationInit(void)
{
/* System Clocks Configuration */
RCC_Configuration();
/*Enables the clock to Backup and power interface peripherals */
RCC_APB1PeriphClockCmd(RCC_APB1Periph_BKP | RCC_APB1Periph_PWR,ENABLE);
/* SysTick Configuration*/
SysTickConfig();
/*Initialisation of TFT LCD */
STM3210B_LCD_Init();
/* Unlock the Flash Program Erase controller */
FLASH_Unlock();
/*RTC_NVIC Configuration */
RTC_NVIC_Configuration();
/* RTC Configuration*/
RTC_Configuration();
BKP_RTCOutputConfig(BKP_RTCOutputSource_None);
/* General Purpose I/O Configuration */
GPIO_Configuration();
/* Battery Removal Emulation */
GPIO_SetBits(GPIOC, GPIO_Pin_8);
while(!(GPIO_ReadInputDataBit(GPIOC, GPIO_Pin_13)))
{
TamperEvent = 1;
}
/* Joystick NVIC Configuration */
NVIC_JoyStickConfig();
/* Tamper pin NVIC Configuration */
Tamper_NVIC_Configuration();
/* Configure PVD Supervisor to disable the Tamper Interrupt when voltage drops
below 2.5 volts*/
PWR_PVDCmd(ENABLE);
PWR_PVDLevelConfig(PWR_PVDLevel_2V5);
PWR_BackupAccessCmd(ENABLE);
/* Only JoyStick Sel Interrupt is enabled on startup */
SelIntExtOnOffConfig(ENABLE);
/* Tamper FeatureRTC - Enable Tamper Interrupt and configure for Low level */
BKP_ITConfig(ENABLE);
/* Enable Tamper Pin for Active low level: Tamper level detected for low level*/
BKP_TamperPinLevelConfig(BKP_TamperPinLevel_Low);
/* Enable tamper Pin Interrupt */
BKP_TamperPinCmd(ENABLE);
/* Menu Initialisation */
MenuInit();
}
/****************************************************************************
* 名 称：void clock_ini(void)
* 功 能：时钟初始化函数
* 入口参数：无
* 出口参数：无
* 说 明：
* 调用方法：
****************************************************************************/
void clock_ini(void)
{
#if defined (STOP_Mode)
if(BKP_CheckLOCK_RTC() != BKP_RTC_Flag){
RTC_Configuration();
RTC_InitStructure.RTC_AsynchPrediv = AsynchPrediv;
RTC_InitStructure.RTC_SynchPrediv = SynchPrediv;
RTC_InitStructure.RTC_HourFormat = RTC_HourFormat_24;
while(RTC_Init(&RTC_InitStructure) == ERROR) {}
Set_Time(time);
BKP_LOCK_RTC();
}else{
while(RCC_GetFlagStatus(RCC_FLAG_PORRST) == RESET) {}
while(RCC_GetFlagStatus(RCC_FLAG_PINRST) == RESET) {}
RCC_APB1PeriphClockCmd(RCC_APB1Periph_PWR, ENABLE);
PWR_RTCAccessCmd(ENABLE);
RTC_WaitForSynchro();
}
RTC_Alarm_Exit();
RTC_NVIC_Configuration();
RTC_ClearFlag(RTC_FLAG_ALRAF);
PWR_ClearFlag(PWR_FLAG_WU);
#elif defined (TANDBY_Mode)
RCC_APB1PeriphClockCmd(RCC_APB1Periph_PWR, ENABLE);
PWR_RTCAccessCmd(ENABLE);
PWR_ClearFlag(PWR_FLAG_WU);
if(PWR_GetFlagStatus(PWR_FLAG_SB) != RESET) {
PWR_ClearFlag(PWR_FLAG_SB);
RTC_WaitForSynchro();
}else {
RTC_Configuration();
RTC_InitStructure.RTC_AsynchPrediv = AsynchPrediv;
RTC_InitStructure.RTC_SynchPrediv = SynchPrediv;
RTC_InitStructure.RTC_HourFormat = RTC_HourFormat_24;
while(RTC_Init(&RTC_InitStructure) == ERROR) {}
Set_Time(time);
RTC_ClearFlag(RTC_FLAG_ALRAF);
}
#endif
}
/**************************************************************/
//程 序 名： RTC_Init
//开 发 者： MingH
//入口参数： 无
//功能说明： RTC 相关寄存器配置初始化, 外部调用
//**************************************************************/
void RTC_Init(void)
{
RTC_NVIC_Configuration(); // RTC 中断配置
if (BKP_ReadBackupRegister(BKP_DR1) != 0xA5A5)
{
/* Backup data register value is not correct or not yet programmed (when
the first time the program is executed) */
printf("\r\n\n RTC not yet configured....");
/* RTC Configuration */
RTC_Configuration();
printf("\r\n RTC configured....");
/* Adjust time by values entered by the user on the hyperterminal */
Time_Adjust();
BKP_WriteBackupRegister(BKP_DR1, 0xA5A5);
}
else
{
/* Check if the Power On Reset flag is set */
if (RCC_GetFlagStatus(RCC_FLAG_PORRST) != RESET)
{
printf("\r\n\n Power On Reset occurred....");
}
/* Check if the Pin Reset flag is set */
else if (RCC_GetFlagStatus(RCC_FLAG_PINRST) != RESET)
{
printf("\r\n\n External Reset occurred....");
}
printf("\r\n No need to configure RTC....");
/* Wait for RTC registers synchronization */
RTC_WaitForSynchro();
/* Enable the RTC Second */
RTC_ITConfig(RTC_IT_SEC, ENABLE);
/* Wait until last write operation on RTC registers has finished */
RTC_WaitForLastTask();
}
#ifdef RTCClockOutput_Enable
/* Enable PWR and BKP clocks */
RCC_APB1PeriphClockCmd(RCC_APB1Periph_PWR | RCC_APB1Periph_BKP, ENABLE);
/* Allow access to BKP Domain */
PWR_BackupAccessCmd(ENABLE);
/* Disable the Tamper Pin */
BKP_TamperPinCmd(DISABLE); /* To output RTCCLK/64 on Tamper pin, the tamper
functionality must be disabled */
/* Enable RTC Clock Output on Tamper Pin */
BKP_RTCOutputConfig(BKP_RTCOutputSource_CalibClock);
#endif
/* Clear reset flags */
RCC_ClearFlag();
}
// init RTC
void rtc_init(void)
{
uint16_t WaitForOscSource;
/*RTC_NVIC Configuration */
RTC_NVIC_Configuration();
/*Enables the clock to Backup and power interface peripherals */
RCC_APB1PeriphClockCmd(RCC_APB1Periph_BKP | RCC_APB1Periph_PWR,ENABLE);
/*Allow access to Backup Registers*/
PWR_BackupAccessCmd(ENABLE);
if(BKP_ReadBackupRegister(BKP_DR1)== (uint16_t)(~CONFIGURATION_DONE))
{
/*Enables the clock to Backup and power interface peripherals */
RCC_APB1PeriphClockCmd(RCC_APB1Periph_BKP | RCC_APB1Periph_PWR,ENABLE);
/* Backup Domain Reset */
BKP_DeInit();
systime.Month=DEFAULT_MONTH;
systime.Day=DEFAULT_DAY;
systime.Year=DEFAULT_YEAR;
BKP_ModifyBackupRegister(BKP_DR3, (systime.Month << 8) | systime.Day);
BKP_ModifyBackupRegister(BKP_DR5, systime.Year);
/* Wait until last write operation on RTC registers has finished */
RTC_WaitForLastTask();
/* enter config mode */
RTC_EnterConfigMode();
/*Enable 32.768 kHz external oscillator */
RCC_LSEConfig(RCC_LSE_ON);
/* select clock source for RTC */
RCC_RTCCLKConfig(RCC_RTCCLKSource_LSE);
/* RTC Enabled */
RCC_RTCCLKCmd(ENABLE);
/*Wait for RTC registers synchronisation */
RTC_WaitForSynchro();
RTC_WaitForLastTask();
/* Setting RTC Interrupts-Seconds interrupt enabled */
/* Enable the RTC Second */
RTC_ITConfig(RTC_IT_SEC , ENABLE);
/* Wait until last write operation on RTC registers has finished */
RTC_WaitForLastTask();
/* init prescale value*/
RTC_SetPrescaler(32767);
/* exit config mode */
RTC_ExitConfigMode();
/* Set default system time to 09 : 24 : 00 */
SetTime(DEFAULT_HOURS,DEFAULT_MINUTES);
BKP_ModifyBackupRegister(BKP_DR1, CONFIGURATION_DONE);
}
else
{
/* PWR and BKP clocks selection */
RCC_APB1PeriphClockCmd(RCC_APB1Periph_PWR | RCC_APB1Periph_BKP, ENABLE);
for(WaitForOscSource=0;WaitForOscSource<5000;WaitForOscSource++);
/* Wait until last write operation on RTC registers has finished */
RTC_WaitForLastTask();
/* Enable the RTC Second */
RTC_ITConfig(RTC_IT_SEC, ENABLE);
RTC_WaitForLastTask();
}
/* Check if how many days are elapsed in power down/Low Power Mode-
Updates Date that many Times*/
CheckForDaysElapsed();
systime.Month = (uint8_t)(BKP_ReadBackupRegister(BKP_DR3) >> 8);
systime.Day = (uint8_t)BKP_ReadBackupRegister(BKP_DR3);
systime.Year = (uint8_t)BKP_ReadBackupRegister(BKP_DR5);
BKP_RTCOutputConfig(BKP_RTCOutputSource_None);
}
