/**
* @brief Display the current time on the Hyperterminal.
* @param None
* @retval None
*/
void RTC_TimeShow(void)
{
RTC_TimeStructInit(&RTC_TimeStructure);
/* Get the current Time */
RTC_GetTime(RTC_Format_BIN, &RTC_TimeStructure);
printf("\n\r The current time is : %0.2d:%0.2d:%0.2d \n\r", RTC_TimeStructure.RTC_Hours, RTC_TimeStructure.RTC_Minutes, RTC_TimeStructure.RTC_Seconds);
}
static void RtcSetConfig( void )
{
RTC_InitTypeDef RTC_InitStructure;
RTC_TimeTypeDef RTC_TimeStruct;
RTC_DateTypeDef RTC_DateStruct;
/* Enable the PWR clock */
RCC_APB1PeriphClockCmd( RCC_APB1Periph_PWR, ENABLE );
/* Allow access to RTC */
PWR_RTCAccessCmd( ENABLE );
/* Reset RTC Domain */
RCC_RTCResetCmd( ENABLE );
RCC_RTCResetCmd( DISABLE );
/* 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_TimeStructInit( &RTC_TimeStruct );
RTC_DateStructInit( &RTC_DateStruct );
RTC_SetDate( RTC_Format_BIN, &RTC_DateStruct );
RTC_SetTime( RTC_Format_BIN, &RTC_TimeStruct );
/* Wait for RTC APB registers synchronisation */
RTC_WaitForSynchro( );
/* Configure the RTC data register and RTC prescaler */
RTC_InitStructure.RTC_AsynchPrediv = 0x01;
RTC_InitStructure.RTC_SynchPrediv = 0x01;
RTC_InitStructure.RTC_HourFormat = RTC_HourFormat_24;
RTC_Init( &RTC_InitStructure );
/* Wait for RTC APB registers synchronisation */
RTC_WaitForSynchro( );
}
void rtcSetTime(struct gtm * t)
{
RTC_TimeTypeDef RTC_TimeStruct;
RTC_DateTypeDef RTC_DateStruct;
RTC_TimeStructInit(&RTC_TimeStruct);
RTC_DateStructInit(&RTC_DateStruct);
RTC_TimeStruct.RTC_Hours = t->tm_hour;
RTC_TimeStruct.RTC_Minutes = t->tm_min;
RTC_TimeStruct.RTC_Seconds = t->tm_sec;
RTC_DateStruct.RTC_Year = t->tm_year - 100;
RTC_DateStruct.RTC_Month = t->tm_mon + 1;
RTC_DateStruct.RTC_Date = t->tm_mday;
RTC_SetTime(RTC_Format_BIN, &RTC_TimeStruct);
RTC_SetDate(RTC_Format_BIN, &RTC_DateStruct);
}
/**
* @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
file (startup_stm32f0xx.s) before to branch to application main.
To reconfigure the default setting of SystemInit() function, refer to
system_stm32f0xx.c file
*/
RTC_TimeTypeDef RTC_TimeStruct;
/* Initialize the LCD */
STM320518_LCD_Init();
/* Clear the LCD */
LCD_Clear(LCD_COLOR_WHITE);
/* Set the LCD Back Color */
LCD_SetBackColor(Blue);
/* Set the LCD Text Color */
LCD_SetTextColor(White);
/* Displays MESSAGE1 on line 1 */
LCD_DisplayStringLine(LINE(0), (uint8_t *)MESSAGE1);
/* Set the LCD Text Color */
LCD_SetTextColor(Red);
/* Set the LCD Back Color */
LCD_SetBackColor(Red);
LCD_DrawFullRect(31, 292,264,34);
/* Set the LCD Back Color */
LCD_SetBackColor(White);
LCD_DrawFullRect(33, 290 ,260,30);
/* Configure the external interrupt "RIGHT" and "LEFT" buttons */
STM_EVAL_PBInit(BUTTON_RIGHT,BUTTON_MODE_EXTI);
STM_EVAL_PBInit(BUTTON_LEFT,BUTTON_MODE_EXTI);
/* Configure the RTC peripheral by selecting the clock source.*/
RTC_Config();
/* Configure the RTC tamper register : To Clear all the Backup data register */
RTC_TamperConfig();
/* Set the LCD Text, Back Colors and Text size */
LCD_SetTextColor(Black);
LCD_SetBackColor(Cyan);
LCD_SetFont(&Font12x12);
LCD_DisplayStringLine(LINE(18), (uint8_t *)MESSAGE2);
/* Set the LCD Back Color */
LCD_SetBackColor(Blue);
LCD_SetTextColor(White);
LCD_DisplayStringLine(LINE(19), (uint8_t *)MESSAGE3);
/* Set text size */
LCD_SetFont(&Font16x24);
/* Set the LCD Text Color */
LCD_SetTextColor(Blue);
/* Initialize time Stucture */
RTC_TimeStructInit(&RTC_TimeStruct);
/* Infinite loop */
while (1)
{
/* Set the LCD Back Color and text size */
LCD_SetFont(&Font16x24);
LCD_SetBackColor(White);
/* Check on the event 'start' */
if(StartEvent != 0x0)
{
/* Get the RTC sub second fraction */
SecondFraction = (((256 - (uint32_t)RTC_GetSubSecond()) * 1000) / 256);
/* Get the Curent time */
RTC_GetTime(RTC_Format_BIN, &RTC_TimeStruct);
/* Refresh : Display the curent time and the sub second on the LCD */
RTC_Time_Display(37, Black , RTC_Get_Time(SecondFraction , &RTC_TimeStruct));
}
else
{
/* Re-initialize the Display time on the LCD */
RTC_Time_InitDisplay();
}
}
}
/**
* @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
file (startup_stm32f0xx.s) before to branch to application main.
To reconfigure the default setting of SystemInit() function, refer to
system_stm32f0xx.c file
*/
RTC_TimeTypeDef RTC_TimeStruct;
RTC_TimeTypeDef RTC_TimeStructureInit;
RTC_TimeTypeDef RTC_StampTimeStruct;
/* Configure the external interrupt "RIGHT" and "LEFT" buttons */
STM_EVAL_PBInit(BUTTON_RIGHT,BUTTON_MODE_EXTI);
STM_EVAL_PBInit(BUTTON_LEFT,BUTTON_MODE_EXTI);
/* Configure the RTC peripheral by selecting the clock source.*/
RTC_Config();
/* LCD Display init */
Display_Init();
/* Configure the RTC tamper register : To Clear all the Backup data register */
RTC_TamperConfig();
/* Initialize time Stucture */
RTC_TimeStructInit(&RTC_TimeStruct);
/* Infinite loop */
while (1)
{
/* Set the LCD Back Color and text size */
LCD_SetFont(&Font16x24);
LCD_SetBackColor(White);
/* Check on the event 'start' */
if(StartEvent != 0x0)
{
/* Get the RTC sub second fraction */
SecondFraction = (((256 - (uint32_t)RTC_GetSubSecond()) * 1000) / 256);
/* Get the Curent time */
RTC_GetTime(RTC_Format_BIN, &RTC_TimeStruct);
/* Refresh : Display the curent time and the sub second on the LCD */
RTC_Time_Display(37, Black , RTC_Get_Time(SecondFraction , &RTC_TimeStruct));
}
else
{
/* Re-initialize the Display time on the LCD */
RTC_Time_InitDisplay();
}
/* Left button is pressed */
if (Button_State == LEFT_ON)
{
/* Enable Tamper interrupt */
RTC_ITConfig(RTC_IT_TAMP, ENABLE);
/* Enabale the tamper 1 */
RTC_TamperCmd(RTC_Tamper_1 , ENABLE);
/* Set the LCD Back Color */
LCD_SetBackColor(White);
/* Clear the LCD line 5 */
LCD_ClearLine(Line5);
/* Get the current time */
RTC_GetTime(RTC_Format_BIN, &RTC_TimeStructureInit);
CurrentTimeSec = (RTC_TimeStructureInit.RTC_Hours * 3600) + (RTC_TimeStructureInit.RTC_Minutes * 60) +
RTC_TimeStructureInit.RTC_Seconds;
/* start count */
StartEvent = 0x1;
/* Reinitialize Button_State variable */
Button_State = 0;
}
/* Right button is pressed */
else if (Button_State == RIGHT_ON)
{
uint16_t Colorx;
if (BackupIndex < 5)
{
if((uint8_t)(BackupIndex% 2) != 0x0)
{
/* Set LCD backcolor*/
LCD_SetBackColor(Blue2);
Colorx = White;
}
else
{
/* Set LCD backcolor*/
LCD_SetBackColor(Cyan);
Colorx = Black;
}
SubSecFrac = 0;
/* Get the Current sub second and time */
SubSecFrac = (((256 - (uint32_t)RTC_GetSubSecond()) * 1000) / 256);
RTC_GetTime(RTC_Format_BIN, &RTC_StampTimeStruct);
LCD_SetFont(&Font16x24);
/* Display result on the LCD */
RTC_Time_Display( LINE(3 + BackupIndex), Colorx, RTC_Get_Time(SubSecFrac , &RTC_StampTimeStruct) );
if (BackupIndex < 2)
{
/* Save time register to Backup register ( the first 5 register is reserved for time) */
RTC_WriteBackupRegister(BKPDataReg[BackupIndex],(uint32_t)RTC->TR);
/* Save sub second time stamp register ( the latest 6 register is reserved for time) */
RTC_WriteBackupRegister(BKPDataReg[BackupIndex + 2], SubSecFrac);
}
}
else
{
/* the backup register is full with 10trials */
/* Set the LCD Back Color */
LCD_SetBackColor(White);
LCD_SetFont(&Font12x12);
/* Set the LCD Text Color */
LCD_SetTextColor(Red);
LCD_DisplayStringLine(LINE(16), (uint8_t *)MESSAGE4);
LCD_DisplayStringLine(LINE(17), (uint8_t *)MESSAGE5);
}
BackupIndex++;
/* Set the LCD Back Color */
LCD_SetBackColor(White);
/* Reinitialize Button_State variable */
Button_State = 0;
}
/* TAMPER button is pressed */
else if (Button_RTC == RTC_TAMP)
{
/* Set the LCD Back Color */
LCD_SetBackColor(White);
LCD_SetFont(&Font16x24);
/* Clear LCD line 5 to 9 */
for (i=0; i < 5; i++)
{
/* Clear all the LCD lignes from 3 to 7 */
LCD_ClearLine(LINE(3+i));
}
/* reset Counter */
BackupIndex = 0 ;
/* Enetr to idle */
StartEvent =0x0;
LCD_SetFont(&Font12x12);
RTC_Time_InitDisplay();
LCD_SetFont(&Font12x12);
LCD_ClearLine(LINE(16));
LCD_ClearLine(LINE(17));
/* Enable Tamper interrupt */
RTC_ITConfig(RTC_IT_TAMP, DISABLE);
/* Enabale the tamper 1 */
RTC_TamperCmd(RTC_Tamper_1 , DISABLE);
/* Reinitialize Button_RTC variable */
Button_RTC = 0;
}
}
}
