/**
* @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_stm32f4xx.s) before to branch to application main.
To reconfigure the default setting of SystemInit() function, refer to
system_stm32f4xx.c file
*/
/* Initialize the LCD */
STM324xG_LCD_Init();
/* Clear the LCD */
LCD_Clear(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);
/* RTC configuration */
RTC_Config();
/* Set the LCD Text Color */
LCD_SetTextColor(Red);
/* Set the LCD Back Color */
LCD_SetBackColor(White);
/* Draw rectangle on the LCD */
LCD_DrawRect(43, 300, 30, 260);
/* Configure the external interrupt "WAKEUP" and "KEY" buttons */
STM_EVAL_PBInit(BUTTON_WAKEUP,BUTTON_MODE_EXTI);
STM_EVAL_PBInit(BUTTON_KEY,BUTTON_MODE_EXTI);
/* Configure the RTC tamper register */
RTC_TamperConfig();
/* Set the LCD Text Color */
LCD_SetTextColor(Blue);
/* Displays MESSAGE2 on line 5 */
LCD_DisplayStringLine(LINE(5), (uint8_t *)MESSAGE2);
/* Infinite loop */
while (1)
{
/* Set The LCD font size */
LCD_SetFont(&Font16x24);
/* Set the LCD Back Color */
LCD_SetBackColor(White);
/* Check on the event 'start'*/
if(Startevent != 0x0)
{
/* Get the RTC sub second fraction */
Secondfraction = 1000 - ((uint32_t)((uint32_t)RTC_GetSubSecond() * 1000) / (uint32_t)0x3FF);
}
else
{
/* Idle */
Secondfraction =0x0;
}
/* Get the Curent time */
RTC_GetTime(RTC_Format_BCD, &RTC_TimeStruct);
/* Display the curent time and the sub second on the LCD */
RTC_Time_display(Line2, Black , RTC_Get_Time(Secondfraction , &RTC_TimeStruct));
}
}
/**
* @brief Main program
* @param None
* @retval None
*/
int main(void)
{
uint32_t index = 0;
/* STM32F4xx HAL library initialization:
- Configure the Flash prefetch, instruction and Data caches
- Configure the Systick to generate an interrupt each 1 msec
- Set NVIC Group Priority to 4
- Global MSP (MCU Support Package) initialization
*/
HAL_Init();
/* Configure LED1, LED2, LED3 and LED4 */
BSP_LED_Init(LED1);
BSP_LED_Init(LED2);
BSP_LED_Init(LED3);
BSP_LED_Init(LED4);
/* Configure the system clock to 168 MHz */
SystemClock_Config();
RtcHandle.Instance = RTC;
/*##-1- Configure the RTC peripheral #######################################*/
/* Configure RTC prescaler and RTC data registers */
/* RTC configured as follow:
- Hour Format = Format 24
- Asynch Prediv = Value according to source clock
- Synch Prediv = Value according to source clock
- OutPut = Output Disable
- OutPutPolarity = High Polarity
- OutPutType = Open Drain */
RtcHandle.Init.HourFormat = RTC_HOURFORMAT_24;
RtcHandle.Init.AsynchPrediv = RTC_ASYNCH_PREDIV;
RtcHandle.Init.SynchPrediv = RTC_SYNCH_PREDIV;
RtcHandle.Init.OutPut = RTC_OUTPUT_DISABLE;
RtcHandle.Init.OutPutPolarity = RTC_OUTPUT_POLARITY_HIGH;
RtcHandle.Init.OutPutType = RTC_OUTPUT_TYPE_OPENDRAIN;
if(HAL_RTC_Init(&RtcHandle) != HAL_OK)
{
/* Initialization Error */
Error_Handler();
}
/* Clear the Tamper Flag */
__HAL_RTC_TAMPER_CLEAR_FLAG(&RtcHandle,RTC_FLAG_TAMP1F);
/*##-2- Configure RTC Tamper ###############################################*/
/* Configure RTC Tamper */
RTC_TamperConfig();
/*##-3- Write Data on the Back Up registers ################################*/
for(index = 0; index < BACKUP_COUNT; index++)
{
HAL_RTCEx_BKUPWrite(&RtcHandle,aBKPDataReg[index], 0xDF59 + (index * 0x5A));
}
/*##-4- Check Data is stored on the Back Up registers ######################*/
for(index = 0; index < BACKUP_COUNT; index++)
{
if(HAL_RTCEx_BKUPRead(&RtcHandle, aBKPDataReg[index]) != (0xDF59 + (index * 0x5A)))
{
Error_Handler();
}
}
/* Turn LED2 on */
BSP_LED_On(LED2);
/*##-5- Wait for the tamper button is pressed ##############################*/
while(TamperStatus != SET);
/*##-6- Deactivate the tamper ##############################################*/
HAL_RTCEx_DeactivateTamper(&RtcHandle, RTC_TAMPER_1);
/*##-7- Check Data is cleared on the Back Up registers #####################*/
for(index = 0; index < BACKUP_COUNT; index++)
{
if(HAL_RTCEx_BKUPRead(&RtcHandle, aBKPDataReg[index]) != 0x00)
{
Error_Handler();
}
}
/* Infinite loop */
while (1)
{
/* Toggle LED4 */
BSP_LED_Toggle(LED4);
/* Delay */
HAL_Delay(100);
}
}
/**
* @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;
}
}
}