void StandBy(void)
{
PushREG(REGA,REG_Shut,0x00,0x00);
RCC_APB1PeriphClockCmd(RCC_APB1Periph_PWR, ENABLE);
NVIC_SystemLPConfig(NVIC_LP_SEVONPEND,ENABLE);
PWR_WakeUpPinCmd(ENABLE);
PWR_ClearFlag(PWR_FLAG_WU);
PWR_ClearFlag(PWR_FLAG_SB);
PWR_EnterSTANDBYMode();
return;
}
/*******************************************************************************
* Function Name : RTCAlarm_IRQHandler
* Description : This function handles RTC Alarm interrupt request.
* Input : None
* Output : None
* Return : None
*******************************************************************************/
void RTCAlarm_IRQHandler(void)
{
if(RTC_GetITStatus(RTC_IT_ALR) != RESET)
{
SPARK_WLAN_SLEEP = 0;
/* Clear EXTI line17 pending bit */
EXTI_ClearITPendingBit(EXTI_Line17);
/* Check if the Wake-Up flag is set */
if(PWR_GetFlagStatus(PWR_FLAG_WU) != RESET)
{
/* Clear Wake Up flag */
PWR_ClearFlag(PWR_FLAG_WU);
}
/* Wait until last write operation on RTC registers has finished */
RTC_WaitForLastTask();
/* Clear RTC Alarm interrupt pending bit */
RTC_ClearITPendingBit(RTC_IT_ALR);
/* Wait until last write operation on RTC registers has finished */
RTC_WaitForLastTask();
}
}
/**
* @brief This function configures the system to enter Standby mode for
* current consumption measurement purpose.
* STANDBY Mode
* ============
* - IWDG and LSI OFF
* - Current Consumption ~0.3uA
* - Wakeup using WakeUp Pin 1 (PA.00)
* @param None
* @retval None
*/
void StandbyMode_Measure(void)
{
/* Configure Key Button*/
STM_EVAL_PBInit(BUTTON_KEY,BUTTON_MODE_GPIO);
/* Wait Until Key button pressed */
while(STM_EVAL_PBGetState(BUTTON_KEY) == RESET)
{
}
/* Wait Until Key button pressed */
while(STM_EVAL_PBGetState(BUTTON_KEY) != RESET)
{
}
/* Enable Ultra low power mode */
PWR_UltraLowPowerCmd(ENABLE);
/* Clear PWR WakeUp flag */
PWR_ClearFlag(PWR_FLAG_WU);
/* Enable WKUP pin 1 */
PWR_WakeUpPinCmd(PWR_WakeUpPin_1, ENABLE);
/* Request to enter STANDBY mode */
PWR_EnterSTANDBYMode();
/* Infinite loop */
while (1)
{
}
}
/**
* @brief Enters MCU in STANDBY mode. The wake-up from STANDBY mode is performed
* when a rising edge is detected on WakeUp pin.
* @param None
* @retval None
*/
void LowPower_EnterSTANDBYMode_WAKEUP_1(void)
{
// LCD_Clear(LCD_COLOR_WHITE);
/* Set the LCD Back Color */
// LCD_SetBackColor(LCD_COLOR_BLUE);
/* Set the LCD Text Color */
// LCD_SetTextColor(LCD_COLOR_WHITE);
// LCD_DisplayStringLine(LCD_LINE_7, " MCU in STANDBY Mode");
// LCD_DisplayStringLine(LCD_LINE_8, " To exit press SEL ");
/* Check if the StandBy flag is set */
if (PWR_GetFlagStatus(PWR_FLAG_SB) != RESET)
{
/* Clear StandBy flag */
PWR_ClearFlag(PWR_FLAG_SB);
RTC_WaitForSynchro();
}
RTC_AlarmCmd(RTC_Alarm_A, DISABLE);
/* Enable WakeUp pin */
PWR_WakeUpPinCmd(PWR_WakeUpPin_1, ENABLE);
/* Request to enter STANDBY mode (Wake Up flag is cleared in PWR_EnterSTANDBYMode function) */
PWR_EnterSTANDBYMode();
}
/**
* @brief This function configures the system to enter Standby mode for
* current consumption measurement purpose.
* STANDBY Mode
* ============
* - RTC OFF
* - IWDG and LSI OFF
* - Wakeup using WakeUp Pin2 (PC.13)
* @param None
* @retval None
*/
void StandbyMode_Measure(void)
{
/* Disable wake-up source(Wake up pin) to guarantee free access to WUT level-OR input */
PWR_WakeUpPinCmd(PWR_WakeUpPin_2, DISABLE);
/* Clear Wake-up flag */
PWR_ClearFlag(PWR_FLAG_WU);
PWR_ClearFlag(PWR_FLAG_SB);
/* Enable WKUP pin 1 */
PWR_WakeUpPinCmd(PWR_WakeUpPin_2,ENABLE);
/* Request to enter STANDBY mode (Wake Up flag is cleared in PWR_EnterSTANDBYMode function) */
PWR_EnterSTANDBYMode();
/* Infinite loop */
while (1)
{
}
}
void PWR_StandbyMode( void )
{
RCC_APB1PeriphClockCmd(RCC_APB1Periph_PWR | RCC_APB1Periph_BKP, ENABLE);
PWR_WakeUpPinCmd(ENABLE);
PWR_BackupAccessCmd(ENABLE);
PWR_ClearFlag(PWR_FLAG_SB);
PWR_EnterSTANDBYMode();
}
/****************************************************************************
* 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
}
//进入待机模式
void StandbyMode(void)
{
//关闭不需要的外设
RCC_AHB1PeriphResetCmd(0X01FF,ENABLE); //复位所有 IO 口
RCC_APB1PeriphClockCmd(RCC_APB1Periph_PWR, ENABLE);//使能 PWR 时钟
PWR_ClearFlag(PWR_FLAG_WU);//清除 Wake-up 标志
PWR_WakeUpPinCmd(ENABLE);//设置 WKUP 用于唤醒
PWR_EnterSTANDBYMode();//进入待机模式
}
void RTC_Config(void)
{
/*后备寄存器1中，存了一个特殊字符0xA5A5
第一次上电或后备电源掉电后，该寄存器数据丢失，
表明RTC数据丢失，需要重新配置 */
if(BKP_ReadBackupRegister(BKP_DR1) != 0xA5A5) //检查是否第一次上电或后备电池已经掉电，
{
Write_Log("Backup VBAT PowerDown or First time PowerUp,Initialize RTC\r\n");
RTC_Configuration();
BKP_WriteBackupRegister(BKP_DR1, 0xA5A5);
time_now.tm_year = 2011;
time_now.tm_mon = 10; //月份表示为0~11
time_now.tm_mday = 13;
time_now.tm_hour = 13;
time_now.tm_min = 16;
time_now.tm_sec = 38;
Time_SetCalendarTime(time_now);//设置初始时间
}
else //若后备寄存器没有掉电，则无需重新配置RTC
{
Write_Log("Backup VBAT Keep, Don't RTC Configuralation\r\n");
//等待RTC与APB同步
RTC_WaitForSynchro();
RTC_WaitForLastTask();
//使能秒中断
RTC_ITConfig(RTC_IT_SEC, ENABLE);
RTC_WaitForLastTask();
}
//这里我们可以利用RCC_GetFlagStatus()函数查看本次复位类型
if (RCC_GetFlagStatus(RCC_FLAG_PORRST) != RESET)
{
por_rst_flag = 1;
Write_Log("PowerUp Reset\r\n");
}
else if (RCC_GetFlagStatus(RCC_FLAG_PINRST) != RESET)
{
pin_rst_flag = 1;
Write_Log("pin Reset\r\n");
}
else if(PWR_GetFlagStatus(PWR_FLAG_WU)!= RESET) //wakeup唤醒
{
Write_Log("WakeUp...\r\n");
}
if(PWR_GetFlagStatus(PWR_FLAG_SB) != RESET) //检查是否由待机模式下唤醒，如是则不需要配置RTC
/* System resumed from STANDBY mode */
/* Clear StandBy flag */
PWR_ClearFlag(PWR_FLAG_SB);
//清除RCC中复位标志
RCC_ClearFlag();
return;
}
/**
* @brief Enters MCU in STANDBY mode. The wake-up from STANDBY mode is performed
* by an RTC Alarm event.
* @param None
* @retval None
*/
void LowPower_EnterSTANDBYMode_RTCAlarm(void)
{
// LCD_Clear(LCD_COLOR_WHITE);
/* Set the LCD Back Color */
// LCD_SetBackColor(LCD_COLOR_BLUE);
/* Set the LCD Text Color */
// LCD_SetTextColor(LCD_COLOR_WHITE);
/* External Interrupt Disable */
//Demo_IntExtOnOffCmd(DISABLE);
/* Enable WakeUp pin */
PWR_WakeUpPinCmd(PWR_WakeUpPin_1, ENABLE);
/* Check if the StandBy flag is set */
if (PWR_GetFlagStatus(PWR_FLAG_SB) != RESET)
{
/* Clear StandBy flag */
PWR_ClearFlag(PWR_FLAG_SB);
RTC_WaitForSynchro();
}
if (RTC_ReadBackupRegister(RTC_BKP_DR0) != 0x5AA5)
{
// LCD_DisplayStringLine(LCD_LINE_1, "Time and Date are ");
// LCD_DisplayStringLine(LCD_LINE_2, "not configured, ");
// LCD_DisplayStringLine(LCD_LINE_3, "please go to the ");
// LCD_DisplayStringLine(LCD_LINE_4, "calendar menu and ");
// LCD_DisplayStringLine(LCD_LINE_5, "set the time and ");
// LCD_DisplayStringLine(LCD_LINE_6, "date parameters. ");
// LCD_DisplayStringLine(LCD_LINE_7, "Press JoyStick to ");
// LCD_DisplayStringLine(LCD_LINE_8, "continue... ");
/* External Interrupt Enable */
//Demo_IntExtOnOffCmd(ENABLE);
return;
}
Calendar_AlarmPreAdjust_A();
// LCD_DisplayStringLine(LCD_LINE_7, " MCU in STANDBY Mode");
// LCD_DisplayStringLine(LCD_LINE_8, " Wait For RTC Alarm ");
/* Request to enter STANDBY mode (Wake Up flag is cleared in PWR_EnterSTANDBYMode function) */
PWR_EnterSTANDBYMode();
}
/**
* @brief This function configures the system to enter Standby mode with RTC
* clocked by LSI for current consumption measurement purpose.
* STANDBY Mode with RTC clocked by LSI
* ========================================
* - RTC Clocked by LSI
* - IWDG OFF
* - Automatic Wakeup using RTC
* @param None
* @retval None
*/
void StandbyRTCMode_Measure(void)
{
/* Allow access to RTC */
PWR_BackupAccessCmd(ENABLE);
/* The RTC Clock may varies due to LSI frequency dispersion. */
/* Enable the LSI OSC */
RCC_LSICmd(ENABLE);
/* Wait till LSI is ready */
while(RCC_GetFlagStatus(RCC_FLAG_LSIRDY) == RESET)
{
}
/* Select the RTC Clock Source */
RCC_RTCCLKConfig(RCC_RTCCLKSource_LSI);
/* Enable the RTC Clock */
RCC_RTCCLKCmd(ENABLE);
/* Wait for RTC APB registers synchronisation */
RTC_WaitForSynchro();
/* RTC Wakeup Interrupt Generation: Clock Source: RTCCLK_Div16, Wakeup Time Base: ~5s
RTC Clock Source LSI ~32KHz
Wakeup Time Base = (16 / (LSI)) * WakeUpCounter
*/
RTC_WakeUpClockConfig(RTC_WakeUpClock_RTCCLK_Div16);
RTC_SetWakeUpCounter(0x2800-1);
/* Enable the Wakeup Interrupt */
RTC_ITConfig(RTC_IT_WUT, ENABLE);
/* Enable Wakeup Counter */
RTC_WakeUpCmd(ENABLE);
/* Clear Wakeup flag */
PWR_ClearFlag(PWR_FLAG_WU);
/* Request to enter STANDBY mode (Wake Up flag is cleared in PWR_EnterSTANDBYMode function) */
PWR_EnterSTANDBYMode();
/* Infinite loop */
while (1)
{
}
}
/**
* @brief This function configures the system to enter Standby mode for
* current consumption measurement purpose.
* STANDBY Mode
* ============
* - Backup SRAM and RTC OFF
* - IWDG and LSI OFF
* - Wakeup using WakeUp Pin (PA.00)
* @param None
* @retval None
*/
void StandbyMode_Measure(void)
{
/* Enable WKUP pin 1 */
PWR_WakeUpPinCmd(ENABLE);
/* Clear Power WakeUp (CWUF) pending flag */
PWR_ClearFlag(PWR_FLAG_WU);
/* Request to enter STANDBY mode (Wake Up flag is cleared in PWR_EnterSTANDBYMode function) */
PWR_EnterSTANDBYMode();
/* Infinite loop */
while (1)
{
}
}
/**
* @brief Configures RTC clock source and prescaler.
* @param None
* @retval None
*/
void RTC_Configuration(void)
{
/* Check if the StandBy flag is set */
if(PWR_GetFlagStatus(PWR_FLAG_SB) != RESET)
{/* System resumed from STANDBY mode */
/* Turn on LD4 */
STM32vldiscovery_LEDOn(LED4);
/* Clear StandBy flag */
PWR_ClearFlag(PWR_FLAG_SB);
/* Wait for RTC APB registers synchronisation */
RTC_WaitForSynchro();
/* No need to configure the RTC as the RTC configuration(clock source, enable,
prescaler,...) is kept after wake-up from STANDBY */
}
else
{/* StandBy flag is not set */
/* RTC clock source configuration ----------------------------------------*/
/* Reset Backup Domain */
BKP_DeInit();
/* Enable LSE OSC */
RCC_LSEConfig(RCC_LSE_ON);
/* Wait till LSE is ready */
while(RCC_GetFlagStatus(RCC_FLAG_LSERDY) == RESET)
{
}
/* Select the RTC Clock Source */
RCC_RTCCLKConfig(RCC_RTCCLKSource_LSE);
/* Enable the RTC Clock */
RCC_RTCCLKCmd(ENABLE);
/* RTC configuration -----------------------------------------------------*/
/* Wait for RTC APB registers synchronisation */
RTC_WaitForSynchro();
/* Set the RTC time base to 1s */
RTC_SetPrescaler(32767);
/* Wait until last write operation on RTC registers has finished */
RTC_WaitForLastTask();
}
}
void Set_Alarm_Time(uint8_t Sec)
{
uint32_t sec_time;
RTC_AlarmCmd(RTC_Alarm_A, DISABLE);
sec_time = Get_Time().Hour*3600 + Get_Time().Min*60 + Get_Time().Sec + Sec;
RTC_AlarmStructure.RTC_AlarmTime.RTC_Hours = (sec_time / 3600) % 24;
RTC_AlarmStructure.RTC_AlarmTime.RTC_Minutes = (sec_time % 3600) / 60;
RTC_AlarmStructure.RTC_AlarmTime.RTC_Seconds = sec_time % 60;
RTC_AlarmStructure.RTC_AlarmDateWeekDay = Get_Time().Day + (sec_time > 86400 ? 1 : 0);
RTC_AlarmStructure.RTC_AlarmDateWeekDaySel = RTC_AlarmDateWeekDaySel_Date;
RTC_AlarmStructure.RTC_AlarmMask = RTC_AlarmMask_None;
RTC_SetAlarm(RTC_Format_BIN, RTC_Alarm_A, &RTC_AlarmStructure);
RTC_ITConfig(RTC_IT_ALRA, ENABLE);
RTC_AlarmCmd(RTC_Alarm_A, ENABLE);
RTC_ClearFlag(RTC_FLAG_ALRAF);
PWR_ClearFlag(PWR_FLAG_WU);
}
void Platform_Init(void)
{
/*STM32 wakeup by watchdog in standby mode, re-enter standby mode in this situation*/
PlatformWDGReload();
if ( (PWR_GetFlagStatus(PWR_FLAG_SB) != RESET) && RCC_GetFlagStatus(RCC_FLAG_IWDGRST) != RESET)
{
RCC_ClearFlag();
Platform_Enter_STANDBY();
}
PWR_ClearFlag(PWR_FLAG_SB);
mico_rtos_init_mutex(&printf_mutex);
Platform_Button_EL_Init();
Platform_Button_STANDBY_Init();
Platform_LED_SYS_Init();
Platform_LED_RF_Init();
Platform_Debug_UART_Init();
}
/**
* @brief This function handles External lines 9 to 5 interrupt request.
* @param None
* @retval None
*/
void EXTI15_10_IRQHandler(void)
{
if(EXTI_GetITStatus(KEY_BUTTON_EXTI_LINE) != RESET)
{
/* Clear the SEL Button EXTI line pending bit */
EXTI_ClearITPendingBit(KEY_BUTTON_EXTI_LINE);
/* Disable the Alarm A */
RTC_AlarmCmd(RTC_Alarm_A, DISABLE);
/* Disable RTC Alarm A Interrupt */
RTC_ITConfig(RTC_IT_ALRA, DISABLE);
/* Clear Power WakeUp (CWUF) pending flag */
PWR_ClearFlag(PWR_FLAG_WU);
RTC_GetTime(RTC_Format_BIN, &RTC_TimeStructure);
/* Set the alarm to current time + 5s */
RTC_AlarmStructure.RTC_AlarmTime.RTC_H12 = RTC_TimeStructure.RTC_H12;
RTC_AlarmStructure.RTC_AlarmTime.RTC_Hours = RTC_TimeStructure.RTC_Hours;
RTC_AlarmStructure.RTC_AlarmTime.RTC_Minutes = RTC_TimeStructure.RTC_Minutes;
RTC_AlarmStructure.RTC_AlarmTime.RTC_Seconds = (RTC_TimeStructure.RTC_Seconds + 0x5) % 60;
RTC_AlarmStructure.RTC_AlarmDateWeekDay = 0x31;
RTC_AlarmStructure.RTC_AlarmDateWeekDaySel = RTC_AlarmDateWeekDaySel_Date;
RTC_AlarmStructure.RTC_AlarmMask = RTC_AlarmMask_DateWeekDay | RTC_AlarmMask_Hours | RTC_AlarmMask_Minutes;
RTC_SetAlarm(RTC_Format_BIN, RTC_Alarm_A, &RTC_AlarmStructure);
/* Enable RTC Alarm A Interrupt: this Interrupt will wake-up the system from
STANDBY mode (RTC Alarm IT not enabled in NVIC) */
RTC_ITConfig(RTC_IT_ALRA, ENABLE);
/* Enable the Alarm A */
RTC_AlarmCmd(RTC_Alarm_A, ENABLE);
/* Clear RTC Alarm Flag */
RTC_ClearFlag(RTC_FLAG_ALRAF);
/* Request to enter STANDBY mode (Wake Up flag is cleared in PWR_EnterSTANDBYMode function) */
PWR_EnterSTANDBYMode();
}
}
/**
* @brief This function configures the system to enter Standby mode for
* current consumption measurement purpose.
* STANDBY Mode
* ============
* - RTC OFF
* - IWDG and LSI OFF
* - Wakeup using WakeUp Pin1 (PA.00)
* @param None
* @retval None
*/
void StandbyMode_Measure(void)
{
/* Check if the StandBy flag is set */
if (PWR_GetFlagStatus(PWR_FLAG_SB) != RESET)
{
/* Clear StandBy flag */
PWR_ClearFlag(PWR_FLAG_SB);
}
/* Enable WKUP pin 1 */
PWR_WakeUpPinCmd(PWR_WakeUpPin_1,ENABLE);
/* Request to enter STANDBY mode (Wake Up flag is cleared in PWR_EnterSTANDBYMode function) */
PWR_EnterSTANDBYMode();
/* Infinite loop */
while (1)
{
}
}
void EXTI9_5_IRQHandler(void)
#endif
{
if(EXTI_GetITStatus(SEL_BUTTON_EXTI_LINE) != RESET)
{
/* Clear the SEL Button EXTI line pending bit */
EXTI_ClearITPendingBit(SEL_BUTTON_EXTI_LINE);
/* Turn on LED1 */
STM_EVAL_LEDOn(LED1);
/* Disable the Alarm A */
RTC_AlarmCmd(RTC_Alarm_A, DISABLE);
RTC_GetTime(RTC_Format_BCD, &RTC_TimeStructure);
/* Set the alarm X+5s */
RTC_AlarmStructure.RTC_AlarmTime.RTC_H12 = RTC_TimeStructure.RTC_H12;
RTC_AlarmStructure.RTC_AlarmTime.RTC_Hours = RTC_TimeStructure.RTC_Hours;
RTC_AlarmStructure.RTC_AlarmTime.RTC_Minutes = RTC_TimeStructure.RTC_Minutes;
RTC_AlarmStructure.RTC_AlarmTime.RTC_Seconds = (RTC_TimeStructure.RTC_Seconds + 0x5) % 60;
RTC_AlarmStructure.RTC_AlarmDateWeekDay = 0x31;
RTC_AlarmStructure.RTC_AlarmDateWeekDaySel = RTC_AlarmDateWeekDaySel_Date;
RTC_AlarmStructure.RTC_AlarmMask = RTC_AlarmMask_DateWeekDay;
RTC_SetAlarm(RTC_Format_BCD, RTC_Alarm_A, &RTC_AlarmStructure);
/* Enable RTC Alarm A Interrupt */
RTC_ITConfig(RTC_IT_ALRA, ENABLE);
/* Enable the Alarm A */
RTC_AlarmCmd(RTC_Alarm_A, ENABLE);
/* Clear RTC Alarm A flag */
RTC_ClearFlag(RTC_FLAG_ALRAF);
/* Clear WakeUp flag */
PWR_ClearFlag(PWR_FLAG_WU);
/* Request to enter STANDBY mode (Wake Up flag is cleared in PWR_EnterSTANDBYMode function) */
PWR_EnterSTANDBYMode();
}
}
void RTC_Alarm_irq(void)
{
if(RTC_GetITStatus(RTC_IT_ALRA) != RESET)
{
HAL_RTCAlarm_Handler();
/* Clear EXTI line17 pending bit */
EXTI_ClearITPendingBit(EXTI_Line17);
/* Check if the Wake-Up flag is set */
if(PWR_GetFlagStatus(PWR_FLAG_WU) != RESET)
{
/* Clear Wake Up flag */
PWR_ClearFlag(PWR_FLAG_WU);
}
/* Clear RTC Alarm interrupt pending bit */
RTC_ClearITPendingBit(RTC_IT_ALRA);
}
}
/**
* @brief Configures the RTC clock source.
* @param None
* @retval None
*/
static void RTC_Config(void)
{
RTC_InitTypeDef RTC_InitStructure;
RTC_TimeTypeDef RTC_TimeStructure;
uint32_t LSIFreq = 0;
/* Enable the PWR clock */
RCC_APB1PeriphClockCmd(RCC_APB1Periph_PWR, ENABLE);
/* Allow access to Backup Domain */
PWR_BackupAccessCmd(ENABLE);
/* Clear Wakeup flag */
PWR_ClearFlag(PWR_FLAG_WU);
/* Enable the LSI OSC */
RCC_LSICmd(ENABLE);
/* Wait till LSI is ready */
while (RCC_GetFlagStatus(RCC_FLAG_LSIRDY) == RESET)
{}
/* Check if the StandBy flag is set */
if (PWR_GetFlagStatus(PWR_FLAG_SB) != RESET)
{
/* Clear StandBy flag */
PWR_ClearFlag(PWR_FLAG_SB);
/* Check if the StandBy flag is cleared */
if (PWR_GetFlagStatus(PWR_FLAG_SB) != RESET)
{
while(1);
}
RTC_WaitForSynchro();
/* No need to configure the RTC as the RTC config(clock source, enable,
prescaler,...) are kept after wake-up from STANDBY */
}
else
{
/* RTC Configuration ******************************************************/
/* Reset Backup Domain */
RCC_BackupResetCmd(ENABLE);
RCC_BackupResetCmd(DISABLE);
/* Select the RTC Clock Source */
RCC_RTCCLKConfig(RCC_RTCCLKSource_LSI);
/* Enable the RTC Clock */
RCC_RTCCLKCmd(ENABLE);
/* Wait for RTC APB registers synchronisation */
RTC_WaitForSynchro();
/* Get the LSI frequency: TIM14 is used to measure the LSI frequency */
LSIFreq = GetLSIFrequency();
RTC_InitStructure.RTC_HourFormat = RTC_HourFormat_24;
RTC_InitStructure.RTC_AsynchPrediv = 99;
RTC_InitStructure.RTC_SynchPrediv = (LSIFreq/100) - 1;
RTC_Init(&RTC_InitStructure);
/* Set the time to 01h 00mn 00s AM */
RTC_TimeStructure.RTC_H12 = RTC_H12_AM;
RTC_TimeStructure.RTC_Hours = 0x01;
RTC_TimeStructure.RTC_Minutes = 0x00;
RTC_TimeStructure.RTC_Seconds = 0x00;
RTC_SetTime(RTC_Format_BIN, &RTC_TimeStructure);
}
}
/**
* @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_stm32f40_41xxx.s/startup_stm32f427_437xx.s)
before to branch to application main.
To reconfigure the default setting of SystemInit() function, refer to
system_stm32f4xx.c file
*/
/* Enable PWR APB1 Clock */
RCC_APB1PeriphClockCmd(RCC_APB1Periph_PWR, ENABLE);
/* Allow access to Backup */
PWR_BackupAccessCmd(ENABLE);
/* Reset RTC Domain */
RCC_BackupResetCmd(ENABLE);
RCC_BackupResetCmd(DISABLE);
/* Check that the system was resumed from StandBy mode */
if(PWR_GetFlagStatus(PWR_FLAG_SB) != RESET)
{
/* Clear SB Flag */
PWR_ClearFlag(PWR_FLAG_SB);
/* Initialize LED1 on STM324xG-EVAL board */
STM_EVAL_LEDInit(LED1);
/* Infinite loop */
while (1)
{
/* Toggle The LED1 */
STM_EVAL_LEDToggle(LED1);
/* Inserted Delay */
for(uwCounter = 0; uwCounter < 0x5FFFF; uwCounter++);
}
}
/* Configure Key Button */
STM_EVAL_PBInit(BUTTON_KEY,BUTTON_MODE_GPIO);
/* Wait until Key button is pressed to enter the Low Power mode */
while(STM_EVAL_PBGetState(BUTTON_KEY) != RESET)
{
}
/* Loop while Key button is maintained pressed */
while(STM_EVAL_PBGetState(BUTTON_KEY) == RESET)
{
}
#if defined (SLEEP_MODE)
/* Sleep Mode Entry
- System Running at PLL (168MHz)
- Flash 5 wait state
- Instruction and Data caches ON
- Prefetch ON
- Code running from Internal FLASH
- All peripherals disabled.
- Wakeup using EXTI Line (Key Button PG.15)
*/
SleepMode_Measure();
#elif defined (STOP_MODE)
/* STOP Mode Entry
- RTC Clocked by LSE/LSI
- Regulator in LP mode
- HSI, HSE OFF and LSI OFF if not used as RTC Clock source
- No IWDG
- FLASH in deep power down mode
- Automatic Wakeup using RTC clocked by LSE/LSI (after ~20s)
*/
StopMode_Measure();
#elif defined (STANDBY_MODE)
/* STANDBY Mode Entry
- Backup SRAM and RTC OFF
- IWDG and LSI OFF
- Wakeup using WakeUp Pin (PA.00)
*/
StandbyMode_Measure();
#elif defined (STANDBY_RTC_MODE)
/* STANDBY Mode with RTC on LSE/LSI Entry
- RTC Clocked by LSE or LSI
- IWDG OFF and LSI OFF if not used as RTC Clock source
- Backup SRAM OFF
- Automatic Wakeup using RTC clocked by LSE/LSI (after ~20s)
*/
StandbyRTCMode_Measure();
#elif defined (STANDBY_RTC_BKPSRAM_MODE)
/* STANDBY Mode with RTC on LSE/LSI Entry
- RTC Clocked by LSE/LSI
- Backup SRAM ON
- IWDG OFF
- Automatic Wakeup using RTC clocked by LSE/LSI (after ~20s)
*/
StandbyRTCBKPSRAMMode_Measure();
#else
/* Initialize LED1 on STM324xG-EVAL board */
STM_EVAL_LEDInit(LED1);
/* Infinite loop */
while (1)
{
/* Toggle The LED1 */
STM_EVAL_LEDToggle(LED1);
/* Inserted Delay */
for(Counter = 0; Counter < 0x5FF; Counter++);
}
#endif
}
int main(void)
{
RCC_APB1PeriphClockCmd( RCC_APB1Periph_PWR, ENABLE);//!!!!
// тактирование ядра низкоскоростным внутренним генератором 4мгц
RCC->ICSCR &= ~RCC_ICSCR_MSIRANGE;//!!!!
RCC->ICSCR |= RCC_ICSCR_MSIRANGE_6;//!!!!
//RTC_Initilithahion();//!!!!
////////////////////////////////////////////////////////////////////
delay_ms(1000);//!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
curent_cmd = 0;
PCount_Start = 0;
/////////////////// настройка пробуждения
RCC_HSICmd(DISABLE);
PWR_PVDCmd(DISABLE);
PWR_UltraLowPowerCmd(ENABLE);
PWR_WakeUpPinCmd(PWR_WakeUpPin_1,ENABLE);
PWR_UltraLowPowerCmd(ENABLE);
////////////// настройка прирывания для будильника в неспящем режиме
EXTI_InitTypeDef exti;
NVIC_InitTypeDef NVIC_InitStructure;
EXTI_ClearITPendingBit(EXTI_Line17);
exti.EXTI_Line = EXTI_Line17;
exti.EXTI_Mode = EXTI_Mode_Interrupt;
exti.EXTI_Trigger = EXTI_Trigger_Rising;
exti.EXTI_LineCmd = ENABLE;
EXTI_Init(&exti);
NVIC_InitStructure.NVIC_IRQChannel = RTC_Alarm_IRQn;
NVIC_InitStructure.NVIC_IRQChannelPreemptionPriority = 0;
NVIC_InitStructure.NVIC_IRQChannelSubPriority = 0;
NVIC_InitStructure.NVIC_IRQChannelCmd = ENABLE;
NVIC_Init(&NVIC_InitStructure);
//////////////////
if(PWR_GetFlagStatus(PWR_FLAG_SB)!=RESET)//Если МК вышел из режима standby
{
WkupFlag=1;
curent_cmd = 1;
if(RTC_GetFlagStatus(RTC_FLAG_ALRAF)!=RESET)//Если МК вышел из режима ALARM
{
//RTC_Initilithahion();//!!!!
//PWR_RTCAccessCmd(ENABLE);
//RTC_ClearFlag(RTC_FLAG_ALRAF);
//PWR_RTCAccessCmd(DISABLE);
//f_WakeupToAlarm=1;
curent_cmd = 5;
}
//RCC_APB1PeriphClockCmd(RCC_APB1Periph_PWR,ENABLE);
PWR_ClearFlag(PWR_FLAG_SB); //Сброс флага, который указывает на то, что МК вышел из режима standby
PWR_RTCAccessCmd(ENABLE); // Доступ в RTC
//RTC_ClearITPendingBit(RTC_IT_WUT);
//RTC_ClearFlag(RTC_FLAG_WUTF);
RTC_ClearFlag(RTC_FLAG_ALRAF);
PWR_RTCAccessCmd(DISABLE);
}
else
{
WkupFlag=0;
RTC_TimeTypeDef alarmTime;
alarmTime.RTC_H12 = RTC_H12_PM;//!!!!;
alarmTime.RTC_Hours = 20;
alarmTime.RTC_Minutes = 0;
alarmTime.RTC_Seconds = 20;
RTC_Initilithahion();//!!!!
//RTC_Set_Alarm(alarmTime);/// Магическая последовательность, 1. RTC_Set_Alarm, 2. RTC_Set_Time иначе не работает будильник
RTC_TimeTypeDef RTC_Time;
RTC_DateTypeDef RTC_Date;
RTC_Time.RTC_H12 = RTC_H12_PM;//!!!!;
RTC_Time.RTC_Hours = 20;
RTC_Time.RTC_Minutes = 00;
RTC_Time.RTC_Seconds = 00;
RTC_Date.RTC_WeekDay = RTC_Weekday_Sunday;
RTC_Date.RTC_Year = 14;
RTC_Date.RTC_Month = 8;
RTC_Date.RTC_Date = 17;
RTC_Set_TimeDate(RTC_Time, RTC_Date);///
}
//else curent_cmd = 0;//f_WakeupToAlarm=0;
//RTC_Initilithahion();//!!!!
//RTC_Set_Time();
OLED_Init();
OLED_Clear();
char i,j;
/*
RCC_GetClocksFreq(&Frequency);
f=Frequency.SYSCLK_Frequency/1000;
IntToStr(a,f);
OLED_DrawString_fast(30,30,a,10);
*/
OLED_LcdCache_Clear();
//if(0==WkupFlag) //Если МК до этого не находился в режиме STANDBY!!!!!!!!!!!!!!!!!
//PWR_EnterSTANDBYMode(); //Перейди в режим STANDBY!!!!!!!!!!!!!!!!!!!
//OLED_DrawBitmap_fast(3,12,menu1_sprait,123,40);
//delay_ms(10000);
WaitToSleep = 0;
TACT_Config();
BackTimeAndData.hour=0;
BackTimeAndData.minute=0;
BackTimeAndData.second=0;
globa_menu = 1;
f_aktive_menu = 0;
//curent_cmd = 0;
PWatch_Setup_Step = 0;
key_up = 0;
key_down = 0;
key_ok = 0;
PCount_Start = 0;
while(1)
{
key = 0;
key_ok = GPIO_ReadInputDataBit(GPIOA, GPIO_Pin_0);
key_down = GPIO_ReadInputDataBit(GPIOA, GPIO_Pin_2);
key_up = GPIO_ReadInputDataBit(GPIOB, GPIO_Pin_12);
/*
OLED_DrawString_fast(0,0," ",10);
IntToStr(bbb,key_ok);
OLED_DrawString_fast(0,0,bbb,10);
IntToStr(bbb,key_down);
OLED_DrawString_fast(30,0,bbb,10);
IntToStr(bbb,key_up);
OLED_DrawString_fast(60,0,bbb,10);
*/
if (key_ok!=0)
{
key_ok = 0;
key = 1;
//OLED_DrawString_fast(0,0,"000000000",10);
//f_aktive_menu = 1;
/*
if (f_aktive_menu == 1)
{
//f_work_comand = 1;
f_aktive_menu = 0;
f_clearScrin = 1;
curent_cmd = menu_cmd[globa_menu-1];
}
else curent_cmd = 255 ;
*/
}
if (key_down==0)
{
key_down = 0;
key = 2;
/*
if ((globa_menu>1)&&(f_work_comand == 0)) globa_menu--;
else globa_menu = 1;
//IntToStr(bbb,globa_menu);
//OLED_DrawString_fast(0,0,bbb,10);
*/
}
if (key_up==0)
{
key_up = 0;
key = 12;
/*
if ((globa_menu<4)&&(f_work_comand == 0)) globa_menu++;
else globa_menu = 4;
//IntToStr(bbb,globa_menu);
//OLED_DrawString_fast(0,0,bbb,10);
*/
}
if (key!=0)
{
GPIO_SetBits(GPIOA, GPIO_Pin_1);
delay_ms(30);
GPIO_ResetBits(GPIOA, GPIO_Pin_1);
}
/*
if (f_clearScrin==1)
{
OLED_Clear();
f_clearScrin=0;
}
*/
//if (f_aktive_menu==0)
//{
switch(curent_cmd)
{
case 0: //нет команды
PWatch_Menu();
break;
case 1: //Программа показа часов (главная страница)
//OLED_Clear();
//f_work_comand = 1;
PWatch_Anim();
break;
case 2: //Программа настройки даты/времени и др.
//OLED_Clear();
OLED_DrawString_fast(0,0,"Календарь",10);
curent_cmd = 0;
break;
case 3:
//OLED_Clear();
PWatch_Set_Alarm();
break;
case 4:
//OLED_Clear();
//OLED_DrawString_fast(0,0,"Настройки",10);
//f_work_comand = 1;
PWatch_Setup();
break;
case 5:
PWatch_Vibration();
break;
case 254:
OLED_Clear();
break;
/*case 255:
OLED_Clear();
OLED_DrawBitmap_fast(3,12,menu1_sprait,123,40);
f_aktive_menu = 1;
//f_work_comand = 0;
//key=0;
break;
*/
default: //выполнить, если ни один вариант не подошел
break;
}
//}
//else
//{
//PWatch_Menu();
//}
/*
if(WainToAlarm == 1)
{
OLED_DrawString_fast(0,0,"alarm1",10);
WainToAlarm =0;
}
*/
//if(WaitToSleep>=5)
//{
//WaitToSleep=0;
//PWR_ClearFlag(PWR_FLAG_SB); //Сброс флага, который указывает на то, что МК вышел из режима standby
/*
for (i=255; i>0; i--)
{
OLED_SetContrast(i);
IntToStr(a,i);
OLED_DrawString_fast(0,0,a,10);
//delay_ms(500);
}*/
//OLED_DrawBitmap_fast(32,10,Fallout_Bitmaps,58,60);
//delay_ms(1000);
//OLED_Display_Off();!!!!!!!!!!!!!!!!!!!!!!!!1
//RCC_AHBPeriphClockCmd(RCC_AHBPeriph_GPIOA, DISABLE);
//походу стабилитрон кушает 0.1 мА, общее потребление 0.15мА
//PWR_EnterSTANDBYMode();!!!!!!!!!!!!!!!!!!!!!
//}
//WaitToSleep++;
/*
RCC_GetClocksFreq(&Frequency);
f=Frequency.SYSCLK_Frequency/1000;
IntToStr(a,f);
OLED_DrawString_fast(0,0,a,10);
*/
delay_ms(250);
}
}
/**
* @brief This function configures the system to enter Standby mode with RTC
* clocked by LSE or LSI and with Backup SRAM ON for current consumption
* measurement purpose.
* STANDBY Mode with RTC clocked by LSE/LSI and BKPSRAM
* ====================================================
* - RTC Clocked by LSE or LSI
* - Backup SRAM ON
* - IWDG OFF
* - Automatic Wakeup using RTC clocked by LSE/LSI (after ~20s)
* @param None
* @retval None
*/
void StandbyRTCBKPSRAMMode_Measure(void)
{
/* Allow access to RTC */
PWR_BackupAccessCmd(ENABLE);
#if defined (RTC_CLOCK_SOURCE_LSI) /* LSI used as RTC source clock*/
/* The RTC Clock may varies due to LSI frequency dispersion. */
/* Enable the LSI OSC */
RCC_LSICmd(ENABLE);
/* Wait till LSI is ready */
while(RCC_GetFlagStatus(RCC_FLAG_LSIRDY) == RESET)
{
}
/* Select the RTC Clock Source */
RCC_RTCCLKConfig(RCC_RTCCLKSource_LSI);
#elif defined (RTC_CLOCK_SOURCE_LSE) /* LSE used as RTC source clock */
/* Enable the LSE OSC */
RCC_LSEConfig(RCC_LSE_ON);
/* Wait till LSE is ready */
while(RCC_GetFlagStatus(RCC_FLAG_LSERDY) == RESET)
{
}
/* Select the RTC Clock Source */
RCC_RTCCLKConfig(RCC_RTCCLKSource_LSE);
#else
#error Please select the RTC Clock source inside the main.c file
#endif /* RTC_CLOCK_SOURCE_LSI */
/* Enable the RTC Clock */
RCC_RTCCLKCmd(ENABLE);
/* Wait for RTC APB registers synchronisation */
RTC_WaitForSynchro();
/* Backup SRAM ***************************************************************/
/* Enable BKPRAM Clock */
RCC_AHB1PeriphClockCmd(RCC_AHB1Periph_BKPSRAM, ENABLE);
/* Enable the Backup SRAM low power Regulator */
PWR_BackupRegulatorCmd(ENABLE);
/* Wait until the Backup SRAM low power Regulator is ready */
while(PWR_GetFlagStatus(PWR_FLAG_BRR) == RESET)
{
}
/* RTC Wakeup Interrupt Generation: Clock Source: RTCCLK_Div16, Wakeup Time Base: ~20s
RTC Clock Source LSE 32.768KHz or LSI ~32KHz
Wakeup Time Base = (16 / (LSE or LSI)) * WakeUpCounter
*/
RTC_WakeUpClockConfig(RTC_WakeUpClock_RTCCLK_Div16);
RTC_SetWakeUpCounter(0xA000-1);
/* Disable the Wakeup Interrupt */
RTC_ITConfig(RTC_IT_WUT, DISABLE);
/* Clear Power WakeUp (CWUF) pending flag */
PWR_ClearFlag(PWR_FLAG_WU);
/* Enable the Wakeup Interrupt */
RTC_ITConfig(RTC_IT_WUT, ENABLE);
/* Enable Wakeup Counter */
RTC_WakeUpCmd(ENABLE);
/* Clear WakeUp (WUTF) pending flag */
RTC_ClearFlag(RTC_FLAG_WUTF);
/* Request to enter STANDBY mode (Wake Up flag is cleared in PWR_EnterSTANDBYMode function) */
PWR_EnterSTANDBYMode();
/* Infinite loop */
while (1)
{
}
}
int main(void)
{
bool StanbyWakeUp ;
float Current_STBY;
/*!< At this stage the microcontroller clock setting is already configured,
this is done through SystemInit() function which is called from startup
file (startup_stm32l1xx_md.s) before to branch to application main.
To reconfigure the default setting of SystemInit() function, refer to
system_stm32l1xx.c file
*/
Int_CurrentSTBY = Current_Measurement();
/* Check if the StandBy flag is set */
if (PWR_GetFlagStatus(PWR_FLAG_SB) != RESET)
{
/* System resumed from STANDBY mode */
/* Clear StandBy flag */
RCC_APB1PeriphClockCmd(RCC_APB1Periph_PWR,ENABLE);
PWR_ClearFlag(PWR_FLAG_SB);
StanbyWakeUp = TRUE;
} else
{
StanbyWakeUp = FALSE;
}
PWR_PVDCmd(DISABLE);
RCC_Configuration();
PWR_VoltageScalingConfig(PWR_VoltageScaling_Range1);
/* Wait Until the Voltage Regulator is ready */
while (PWR_GetFlagStatus(PWR_FLAG_VOS) != RESET) ;
/* Init I/O ports */
Init_GPIOs ();
/* Initializes ADC */
ADC_Icc_Init();
enableInterrupts();
/* Warning ! in TSL Init the sysTick interrupt is setted to:
SysTick_Config(RCC_Clocks.HCLK_Frequency / 2000 ---> 500 µs*/
/* Init Touch Sensing configuration */
TSL_Init();
sMCKeyInfo[0].Setting.b.IMPLEMENTED = 1;
sMCKeyInfo[0].Setting.b.ENABLED = 1;
sMCKeyInfo[0].DxSGroup = 0x00;
/* Initializes the LCD glass */
LCD_GLASS_Init();
while (1)
{
switch( State )
{
case 0:
//LED3 off and LED4 off
blink = 0;
GPIOB_ODR_value = 0x00000000;
ptr_PORTB->GPIOx_ODR = GPIOB_ODR_value;
break;
case 1:
//LED3 on and LED4 off
blink = 0;
GPIOB_ODR_value = 0x00000080;
ptr_PORTB->GPIOx_ODR = GPIOB_ODR_value;
break;
case 2:
//LED3 off and LED4 on
blink = 0;
GPIOB_ODR_value = 0x00000040;
ptr_PORTB->GPIOx_ODR = GPIOB_ODR_value;
break;
case 3:
//LED3 and LED4 blink with 2 second period
blink = 1;
break;
}
if(blink == 1)
{
GPIOB_ODR_value = 0x000000C0;
ptr_PORTB->GPIOx_ODR = GPIOB_ODR_value;
Delay(100);
GPIOB_ODR_value = 0x00000000;
ptr_PORTB->GPIOx_ODR = GPIOB_ODR_value;
Delay(100);
}
}
return(0);
}
int main(void)
{
bool StanbyWakeUp ;
float Current_STBY;
/*!< At this stage the microcontroller clock setting is already configured,
this is done through SystemInit() function which is called from startup
file (startup_stm32l1xx_md.s) before to branch to application main.
To reconfigure the default setting of SystemInit() function, refer to
system_stm32l1xx.c file
*/
Int_CurrentSTBY = Current_Measurement();
/* Check if the StandBy flag is set */
if (PWR_GetFlagStatus(PWR_FLAG_SB) != RESET)
{
/* System resumed from STANDBY mode */
/* Clear StandBy flag */
RCC_APB1PeriphClockCmd(RCC_APB1Periph_PWR,ENABLE);
PWR_ClearFlag(PWR_FLAG_SB);
StanbyWakeUp = TRUE;
} else
{
StanbyWakeUp = FALSE;
}
PWR_PVDCmd(DISABLE);
RCC_Configuration();
PWR_VoltageScalingConfig(PWR_VoltageScaling_Range1);
/* Wait Until the Voltage Regulator is ready */
while (PWR_GetFlagStatus(PWR_FLAG_VOS) != RESET) ;
/* Init I/O ports */
Init_GPIOs ();
/* Initializes ADC */
ADC_Icc_Init();
enableInterrupts();
/* Warning ! in TSL Init the sysTick interrupt is setted to:
SysTick_Config(RCC_Clocks.HCLK_Frequency / 2000 ---> 500 µs*/
/* Init Touch Sensing configuration */
TSL_Init();
sMCKeyInfo[0].Setting.b.IMPLEMENTED = 1;
sMCKeyInfo[0].Setting.b.ENABLED = 1;
sMCKeyInfo[0].DxSGroup = 0x00;
/* Initializes the LCD glass */
LCD_GLASS_Init();
// EECE 337 Code -- Start
int N;
int f;
char str[8];
N = 10;
// Call to original factorial algorithm in C - for debugging
//f = factorial_orig( N );
factorial(&f, N);
// Copy result to f
sprintf (str, "%X", f);
//printf( "factorial of %i is %i\n", N, f);
LCD_GLASS_DisplayString(str);
// EECE 337 Code -- End
return(0);
}
void RTC_Wakeup_init(void)
{
NVIC_InitTypeDef NVIC_InitStructure;
EXTI_InitTypeDef EXTI_InitStructure;
RTC_InitTypeDef RTC_InitStruct;
RTC_InitStruct.RTC_HourFormat = RTC_HourFormat_24;
/* RTC ticks every second */
RTC_InitStruct.RTC_AsynchPrediv = 0x7F;
RTC_InitStruct.RTC_SynchPrediv = 0xFF;
RTC_Init( &RTC_InitStruct );
/* Enable the PWR clock */
RCC_APB1PeriphClockCmd(RCC_APB1Periph_PWR, ENABLE);
/* RTC clock source configuration ------------------------------------------*/
/* Allow access to BKP Domain */
PWR_BackupAccessCmd(ENABLE);
#ifdef USE_RTC_BKP
PWR_BackupRegulatorCmd(ENABLE);
#endif
/* Enable the LSE OSC */
RCC_LSEConfig(RCC_LSE_ON);
/* Wait till LSE is ready */
while(RCC_GetFlagStatus(RCC_FLAG_LSERDY) == RESET)
{
}
/* Select the RTC Clock Source */
RCC_RTCCLKConfig(RCC_RTCCLKSource_LSE);
/* Enable the RTC Clock */
RCC_RTCCLKCmd(ENABLE);
/* RTC configuration -------------------------------------------------------*/
/* Wait for RTC APB registers synchronisation */
RTC_WaitForSynchro();
RTC_WakeUpCmd( DISABLE );
EXTI_ClearITPendingBit( RTC_INTERRUPT_EXTI_LINE );
PWR_ClearFlag(PWR_FLAG_WU);
RTC_ClearFlag(RTC_FLAG_WUTF);
RTC_WakeUpClockConfig(RTC_WakeUpClock_RTCCLK_Div2);
EXTI_ClearITPendingBit( RTC_INTERRUPT_EXTI_LINE );
EXTI_InitStructure.EXTI_Line = RTC_INTERRUPT_EXTI_LINE;
EXTI_InitStructure.EXTI_Mode = EXTI_Mode_Interrupt;
EXTI_InitStructure.EXTI_Trigger = EXTI_Trigger_Rising;
EXTI_InitStructure.EXTI_LineCmd = ENABLE;
EXTI_Init(&EXTI_InitStructure);
NVIC_InitStructure.NVIC_IRQChannel = RTC_WKUP_IRQn;
NVIC_InitStructure.NVIC_IRQChannelPreemptionPriority = 0;
NVIC_InitStructure.NVIC_IRQChannelSubPriority = 0;
NVIC_InitStructure.NVIC_IRQChannelCmd = ENABLE;
NVIC_Init(&NVIC_InitStructure);
RTC_ITConfig(RTC_IT_WUT, DISABLE);
/* Prepare Stop-Mode but leave disabled */
PWR_ClearFlag(PWR_FLAG_WU);
PWR->CR |= PWR_CR_LPDS;
PWR->CR &= (unsigned long)(~(PWR_CR_PDDS));
SCB->SCR |= ((unsigned long)SCB_SCR_SLEEPDEEP_Msk);
#ifdef USE_RTC_BKP
if (RTC_ReadBackupRegister(RTC_BKP_DR0) != USE_RTC_BKP) {
/* set it to 12:20:30 08/04/2013 monday */
MicoRtcSetTime(&mico_default_time);
RTC_WriteBackupRegister(RTC_BKP_DR0, USE_RTC_BKP);
}
#else
//#ifdef RTC_ENABLED
/* application must have wiced_application_default_time structure declared somewhere, otherwise it wont compile */
/* write default application time inside rtc */
MicoRtcSetTime(&mico_default_time);
//#endif /* RTC_ENABLED */
#endif
}
/**
* @brief Configures the RTC clock source.
* @param None
* @retval None
*/
void RTC_Config(void)
{
RTC_InitTypeDef RTC_InitStructure;
RTC_AlarmTypeDef RTC_AlarmStructure;
RTC_TimeTypeDef RTC_TimeStructure;
/* Enable the PWR clock */
RCC_APB1PeriphClockCmd(RCC_APB1Periph_PWR, ENABLE);
/* Allow access to Backup Domain */
PWR_BackupAccessCmd(ENABLE);
/* Check if the StandBy flag is set */
if (PWR_GetFlagStatus(PWR_FLAG_SB) != RESET)
{
/* Clear StandBy flag */
PWR_ClearFlag(PWR_FLAG_SB);
/* Check if the StandBy flag is cleared */
if (PWR_GetFlagStatus(PWR_FLAG_SB) != RESET)
{
while(1);
}
RTC_WaitForSynchro();
/* No need to configure the RTC as the RTC config(clock source, enable,
prescaler,...) are kept after wake-up from STANDBY */
}
else
{
/* RTC Configuration ******************************************************/
/* Reset Backup Domain */
RCC_BackupResetCmd(ENABLE);
RCC_BackupResetCmd(DISABLE);
/* Enable the LSI OSC */
RCC_LSICmd(ENABLE);
/* Wait till LSI is ready */
while (RCC_GetFlagStatus(RCC_FLAG_LSIRDY) == RESET)
{}
/* Select the RTC Clock Source */
RCC_RTCCLKConfig(RCC_RTCCLKSource_LSI);
/* Enable the RTC Clock */
RCC_RTCCLKCmd(ENABLE);
/* Wait for RTC APB registers synchronisation */
RTC_WaitForSynchro();
RTC_InitStructure.RTC_HourFormat = RTC_HourFormat_24;
RTC_InitStructure.RTC_AsynchPrediv = 0x7F;
RTC_InitStructure.RTC_SynchPrediv = 0x0138;
RTC_Init(&RTC_InitStructure);
/* Set the alarm X+5s */
RTC_AlarmStructure.RTC_AlarmTime.RTC_H12 = RTC_H12_AM;
RTC_AlarmStructure.RTC_AlarmTime.RTC_Hours = 0x01;
RTC_AlarmStructure.RTC_AlarmTime.RTC_Minutes = 0x00;
RTC_AlarmStructure.RTC_AlarmTime.RTC_Seconds = 0x3;
RTC_AlarmStructure.RTC_AlarmDateWeekDay = 0x31;
RTC_AlarmStructure.RTC_AlarmDateWeekDaySel = RTC_AlarmDateWeekDaySel_Date;
RTC_AlarmStructure.RTC_AlarmMask = RTC_AlarmMask_DateWeekDay;
RTC_SetAlarm(RTC_Format_BCD, RTC_Alarm_A, &RTC_AlarmStructure);
/* Enable RTC Alarm A Interrupt */
RTC_ITConfig(RTC_IT_ALRA, ENABLE);
/* Enable the alarm */
RTC_AlarmCmd(RTC_Alarm_A, ENABLE);
}
/* Set the time to 01h 00mn 00s AM */
RTC_TimeStructure.RTC_H12 = RTC_H12_AM;
RTC_TimeStructure.RTC_Hours = 0x01;
RTC_TimeStructure.RTC_Minutes = 0x00;
RTC_TimeStructure.RTC_Seconds = 0x00;
RTC_SetTime(RTC_Format_BCD, &RTC_TimeStructure);
/* Clear Wakeup flag */
PWR_ClearFlag(PWR_FLAG_WU);
RTC_ClearFlag(RTC_FLAG_ALRAF);
/* Request to enter STANDBY mode (Wake Up flag is cleared in PWR_EnterSTANDBYMode function) */
PWR_EnterSTANDBYMode();
}
static unsigned long stop_mode_power_down_hook( unsigned long sleep_ms )
{
unsigned long retval;
unsigned long wut_ticks_passed;
unsigned long scale_factor = 0;
UNUSED_PARAMETER(sleep_ms);
UNUSED_PARAMETER(rtc_timeout_start_time);
UNUSED_PARAMETER(scale_factor);
if ( ( ( SCB->SCR & (unsigned long)SCB_SCR_SLEEPDEEP_Msk) != 0) && sleep_ms < 5 ){
SCB->SCR &= (~((unsigned long)SCB_SCR_SLEEPDEEP_Msk));
__asm("wfi");
SCB->SCR |= SCB_SCR_SLEEPDEEP_Msk;
/* Note: We return 0 ticks passed because system tick is still going when wfi instruction gets executed */
ENABLE_INTERRUPTS;
return 0;
}
if ( ( ( SCB->SCR & (unsigned long)SCB_SCR_SLEEPDEEP_Msk) ) != 0 )
{
/* pick up the appropriate prescaler for a requested delay */
select_wut_prescaler_calculate_wakeup_time(&rtc_timeout_start_time, sleep_ms, &scale_factor );
DISABLE_INTERRUPTS;
SysTick->CTRL &= (~(SysTick_CTRL_TICKINT_Msk|SysTick_CTRL_ENABLE_Msk)); /* systick IRQ off */
RTC_ITConfig(RTC_IT_WUT, ENABLE);
EXTI_ClearITPendingBit( RTC_INTERRUPT_EXTI_LINE );
PWR_ClearFlag(PWR_FLAG_WU);
RTC_ClearFlag(RTC_FLAG_WUTF);
RTC_SetWakeUpCounter( rtc_timeout_start_time );
RTC_WakeUpCmd( ENABLE );
platform_rtc_enter_powersave();
DBGMCU->CR |= 0x03; /* Enable debug in stop mode */
/* This code will be running with BASEPRI register value set to 0, the main intention behind that is that */
/* all interrupts must be allowed to wake the CPU from the power-down mode */
/* the PRIMASK is set to 1( see DISABLE_INTERRUPTS), thus we disable all interrupts before entering the power-down mode */
/* This may sound contradictory, however according to the ARM CM3 documentation power-management unit */
/* takes into account only the contents of the BASEPRI register and it is an external from the CPU core unit */
/* PRIMASK register value doesn't affect its operation. */
/* So, if the interrupt has been triggered just before the wfi instruction */
/* it remains pending and wfi instruction will be treated as a nop */
__asm("wfi");
/* After CPU exits powerdown mode, the processer will not execute the interrupt handler(PRIMASK is set to 1) */
/* Disable rtc for now */
RTC_WakeUpCmd( DISABLE );
RTC_ITConfig(RTC_IT_WUT, DISABLE);
/* Initialise the clocks again */
init_clocks( );
/* Enable CPU ticks */
SysTick->CTRL |= (SysTick_CTRL_TICKINT_Msk|SysTick_CTRL_ENABLE_Msk);
/* Get the time of how long the sleep lasted */
wut_ticks_passed = rtc_timeout_start_time - RTC_GetWakeUpCounter();
UNUSED_VARIABLE(wut_ticks_passed);
platform_rtc_exit_powersave( sleep_ms, (uint32_t *)&retval );
/* as soon as interrupts are enabled, we will go and execute the interrupt handler */
/* which triggered a wake up event */
ENABLE_INTERRUPTS;
wake_up_interrupt_triggered = false;
UNUSED_VARIABLE(wake_up_interrupt_triggered);
return retval;
}
else
{
UNUSED_PARAMETER(wut_ticks_passed);
ENABLE_INTERRUPTS;
__asm("wfi");
/* Note: We return 0 ticks passed because system tick is still going when wfi instruction gets executed */
return 0;
}
}
int main(void)
{
/*!< At this stage the microcontroller clock setting is already configured,
this is done through SystemInit() function which is called from startup
file (startup_stm32l1xx_md.s) before to branch to application main.
To reconfigure the default setting of SystemInit() function, refer to
system_stm32l1xx.c file
*/
/* Configure Clocks for Application need */
RCC_Configuration();
/* Configure RTC Clocks */
RTC_Configuration();
/* Set internal voltage regulator to 1.8V */
PWR_VoltageScalingConfig(PWR_VoltageScaling_Range1);
/* Wait Until the Voltage Regulator is ready */
while (PWR_GetFlagStatus(PWR_FLAG_VOS) != RESET) ;
/* Enable debug features in low power modes (Sleep, STOP and STANDBY) */
#ifdef DEBUG_SWD_PIN
DBGMCU_Config(DBGMCU_SLEEP | DBGMCU_STOP | DBGMCU_STANDBY, ENABLE);
#endif
/* Configure SysTick IRQ and SysTick Timer to generate interrupts */
RCC_GetClocksFreq(&RCC_Clocks);
SysTick_Config(RCC_Clocks.HCLK_Frequency / 500);
/* Init I/O ports */
Init_GPIOs();
/* Initializes the LCD glass */
LCD_GLASS_Configure_GPIO();
LCD_GLASS_Init();
/* Display Welcome message */
LCD_GLASS_ScrollSentence(" ** TEMPERATURE SENSOR EXAMPLE ** ",1,SCROLL_SPEED);
/* Disable SysTick IRQ and SysTick Timer */
SysTick->CTRL &= ~ ( SysTick_CTRL_TICKINT_Msk | SysTick_CTRL_ENABLE_Msk );
/* Test user or factory temperature sensor calibration value */
if ( testFactoryCalibData() == SUCCESS ) getFactoryTSCalibData(&calibdata);
else if ( testUserCalibData() == SUCCESS ) calibdata = *USER_CALIB_DATA;
else {
/* User calibration or factory calibration TS data are not available */
calibdata.TS_CAL_1 = DEFAULT_COLD_VAL;
calibdata.TS_CAL_2 = DEFAULT_HOT_VAL;
writeCalibData(&calibdata);
calibdata = *USER_CALIB_DATA;
}
/* Configure Wakeup from sleep using RTC event*/
configureWakeup();
/* Configure direct memory access for ADC usage*/
configureDMA();
/* Configure ADC for temperature sensor value conversion */
configureADC_Temp();
while(1) {
/* Re-enable DMA and ADC conf and start Temperature Data acquisition */
acquireTemperatureData();
/* Stay in SLEEP mode untill the data are acquired by ADC */
__WFI();
/* for DEBUG purpose uncomment the following line and comment the __WFI call to do not enter STOP mode */
// while (!flag_ADCDMA_TransferComplete);
/* Disable ADC, DMA and clock*/
powerDownADC_Temper();
/* Process mesured Temperature data - calculate average temperature value in °C */
processTempData();
if (flag_UserButton == TRUE) {
clearUserButtonFlag();
if (CurrentlyDisplayed == Display_TemperatureDegC)
CurrentlyDisplayed = Display_ADCval;
else
CurrentlyDisplayed = Display_TemperatureDegC;
}
if (CurrentlyDisplayed == Display_TemperatureDegC) {
/* print average temperature value in °C */
sprintf(strDisp, "%d °C", temperature_C );
} else {
/* print result of ADC conversion */
sprintf(strDisp, "> %d", tempAVG );
}
LCD_GLASS_Clear();
LCD_GLASS_DisplayString( (unsigned char *) strDisp );
/* Enable RTC Wakeup */
RTC_WakeUpCmd(ENABLE);
/* Clear WakeUp flag */
PWR_ClearFlag(PWR_FLAG_WU);
/* Enter in wait for interrupt stop mode*/
PWR_EnterSTOPMode(PWR_Regulator_LowPower, PWR_STOPEntry_WFI);
RCC_Configuration(); // reinitialize clock
/* After Wake up : Disable Wake up from RTC*/
RTC_WakeUpCmd(DISABLE);
}
}
/**
* @brief Configures the RTC.
* @param None
* @retval None
*/
static void RTC_Config(void)
{
RCC_APB1PeriphClockCmd(RCC_APB1Periph_PWR, ENABLE);
/* Allow access to BKP Domain */
PWR_BackupAccessCmd(ENABLE);
/* Clear Wakeup flag */
PWR_ClearFlag(PWR_FLAG_WU);
/* Check if the StandBy flag is set */
if (PWR_GetFlagStatus(PWR_FLAG_SB) != RESET)
{
/* Clear StandBy flag */
PWR_ClearFlag(PWR_FLAG_SB);
/* Wait for RTC APB registers synchronisation (needed after start-up from Reset)*/
RTC_WaitForSynchro();
/* No need to configure the RTC as the RTC config(clock source, enable,
prescaler,...) are kept after wake-up from STANDBY */
}
else
{
/* RTC Configuration ******************************************************/
/* Reset Backup Domain */
RCC_BackupResetCmd(ENABLE);
RCC_BackupResetCmd(DISABLE);
#if defined (RTC_CLOCK_SOURCE_LSI) /* LSI used as RTC source clock*/
/* The RTC Clock may varies due to LSI frequency dispersion. */
/* Enable the LSI OSC */
RCC_LSICmd(ENABLE);
/* Wait till LSI is ready */
while(RCC_GetFlagStatus(RCC_FLAG_LSIRDY) == RESET)
{
}
/* Select the RTC Clock Source */
RCC_RTCCLKConfig(RCC_RTCCLKSource_LSI);
SynchPrediv = 0xFF;
AsynchPrediv = 0x7F;
#elif defined (RTC_CLOCK_SOURCE_LSE) /* LSE used as RTC source clock */
/* Enable the LSE OSC */
RCC_LSEConfig(RCC_LSE_ON);
/* Wait till LSE is ready */
while(RCC_GetFlagStatus(RCC_FLAG_LSERDY) == RESET)
{
}
/* Select the RTC Clock Source */
RCC_RTCCLKConfig(RCC_RTCCLKSource_LSE);
SynchPrediv = 0xFF;
AsynchPrediv = 0x7F;
#else
#error Please select the RTC Clock source inside the main.c file
#endif /* RTC_CLOCK_SOURCE_LSI */
/* Enable the RTC Clock */
RCC_RTCCLKCmd(ENABLE);
/* Wait for RTC APB registers synchronisation (needed after start-up from Reset)*/
RTC_WaitForSynchro();
/* Set the RTC time base to 1s */
RTC_InitStructure.RTC_HourFormat = RTC_HourFormat_24;
RTC_InitStructure.RTC_AsynchPrediv = 0x7F;
RTC_InitStructure.RTC_SynchPrediv = 0x00FF;
if (RTC_Init(&RTC_InitStructure) == ERROR)
{
/* Turn on LED2 */
STM_EVAL_LEDOn(LED2);
/* User can add here some code to deal with this error */
while(1);
}
/* Set the time to 01h 00mn 00s AM */
RTC_TimeStructure.RTC_H12 = RTC_H12_AM;
RTC_TimeStructure.RTC_Hours = 0x01;
RTC_TimeStructure.RTC_Minutes = 0x00;
RTC_TimeStructure.RTC_Seconds = 0x00;
if(RTC_SetTime(RTC_Format_BCD, &RTC_TimeStructure) == ERROR)
{
/* Turn on LED2 */
STM_EVAL_LEDOn(LED2);
/* User can add here some code to deal with this error */
while(1);
}
}
/* Clear RTC Alarm Flag */
RTC_ClearFlag(RTC_FLAG_ALRAF);
}
