/**
* @brief Main program
* @param None
* @retval None
*/
int main(void)
{
/* 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 the system clock to 100 MHz */
SystemClock_Config();
/* Configure LED2 */
BSP_LED_Init(LED2);
/* Enable Power Clock */
__HAL_RCC_PWR_CLK_ENABLE();
/* Check and handle if the system was resumed from Standby mode */
if(__HAL_PWR_GET_FLAG(PWR_FLAG_SB) != RESET)
{
__HAL_PWR_CLEAR_FLAG(PWR_FLAG_SB);
/* Infinite loop */
while (1)
{
/* Toggle LED2 */
BSP_LED_Toggle(LED2);
/* Insert a 100ms delay */
HAL_Delay(100);
}
}
/* Configure USER Button */
BSP_PB_Init(BUTTON_KEY, BUTTON_MODE_GPIO);
/* Wait until USER button is pressed to enter the Low Power mode */
while(BSP_PB_GetState(BUTTON_KEY) != RESET)
{
/* Toggle LED2 */
BSP_LED_Toggle(LED2);
/* Insert 1s Delay */
HAL_Delay(1000);
}
/* Loop while USER Button is maintained pressed */
while(BSP_PB_GetState(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.
- Wake-up using EXTI Line (User Button)
*/
SleepMode_Measure();
#elif defined (STOP_MODE)
/* STOP Mode Entry
- RTC Clocked by 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 Wake-up using RTC clocked by LSI (after ~20s)
*/
StopMode_Measure();
#elif defined (STANDBY_MODE)
/* STANDBY Mode Entry
- Backup SRAM and RTC OFF
- IWDG and LSI OFF
- Wake-up using WakeUp Pin (PA.00)
*/
StandbyMode_Measure();
#elif defined (STANDBY_RTC_MODE)
/* STANDBY Mode with RTC on LSI Entry
- RTC Clocked by LSI
- IWDG OFF and LSI OFF if not used as RTC Clock source
- Backup SRAM OFF
- Automatic Wake-up using RTC clocked by LSI (after ~20s)
*/
StandbyRTCMode_Measure();
#elif defined (STANDBY_RTC_BKPSRAM_MODE)
/* STANDBY Mode with RTC on LSI Entry
- RTC Clocked by LSI
- Backup SRAM ON
- IWDG OFF
- Automatic Wake-up using RTC clocked by LSI (after ~20s)
*/
StandbyRTCBKPSRAMMode_Measure();
#endif
if(uwCounter != 0)
{
BSP_LED_Init(LED2);
}
/* Infinite loop */
while (1)
{
/* Toggle LED2 */
BSP_LED_Toggle(LED2);
/* Inserted 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
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
}
/**
* @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
*/
/* 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);
/* Configure User Button */
STM_EVAL_PBInit(BUTTON_USER,BUTTON_MODE_EXTI);
/* Wait until User button is pressed to enter the Low Power mode */
while(UserButtonStatus == 0x00)
{
}
/* Loop while User button is maintained pressed */
while(STM_EVAL_PBGetState(BUTTON_USER) != RESET)
{
}
#if defined (SLEEP_MODE)
/* Sleep Mode Entry
- System Running at PLL (168MHz)
- Flash 3 wait state
- Prefetch and Cache enabled
- Code running from Internal FLASH
- All peripherals disabled.
- Wakeup using EXTI Line (User Button PA.00)
*/
SleepMode_Measure();
#elif defined (STOP_MODE)
/* STOP Mode Entry
- RTC Clocked by 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 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 LSI Entry
- RTC Clocked by LSI
- IWDG OFF and LSI OFF if not used as RTC Clock source
- Backup SRAM OFF
- Automatic Wakeup using RTC clocked by LSI (after ~20s)
*/
StandbyRTCMode_Measure();
#elif defined (STANDBY_RTC_BKPSRAM_MODE)
/* STANDBY Mode with RTC on LSI Entry
- RTC Clocked by LSI
- Backup SRAM ON
- IWDG OFF
- Automatic Wakeup using RTC clocked by LSI (after ~20s)
*/
StandbyRTCBKPSRAMMode_Measure();
#else
/* Initialize LED4 on STM32F4-Discovery board */
STM_EVAL_LEDInit(LED4);
/* Infinite loop */
while (1)
{
/* Toggle The LED4 */
STM_EVAL_LEDToggle(LED4);
/* Inserted Delay */
for(i = 0; i < 0x5FF; i++);
}
#endif
}
/**
* @brief Main program
* @param None
* @retval None
*/
int main(void)
{
/* STM32F4xx HAL library initialization:
- Configure the Flash prefetch and Buffer caches
- Systick timer is configured by default as source of time base, but user
can eventually implement his proper time base source (a general purpose
timer for example or other time source), keeping in mind that Time base
duration should be kept 1ms since PPP_TIMEOUT_VALUEs are defined and
handled in milliseconds basis.
- Low Level Initialization
*/
HAL_Init();
/* Configure LED3 and LED4 */
BSP_LED_Init(LED3);
BSP_LED_Init(LED4);
/* Configure the system clock to 180 MHz */
SystemClock_Config();
/* Enable Power Clock */
__HAL_RCC_PWR_CLK_ENABLE();
/* Check and handle if the system was resumed from StandBy mode */
if(__HAL_PWR_GET_FLAG(PWR_FLAG_SB) != RESET)
{
__HAL_PWR_CLEAR_FLAG(PWR_FLAG_SB);
/* Turn LED4 On */
BSP_LED_On(LED4);
}
/* Configure Key Button */
BSP_PB_Init(BUTTON_USER, BUTTON_MODE_GPIO);
/* Wait until Key button is pressed to enter the Low Power mode */
while(BSP_PB_GetState(BUTTON_USER) != SET)
{
}
/* Loop while Key button is maintained pressed */
while(BSP_PB_GetState(BUTTON_USER) == SET)
{
}
/* Infinite loop */
while (1)
{
#if defined (SLEEP_MODE)
/* Sleep Mode Entry
- System Running at PLL (180MHz)
- 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 PC.13)
*/
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();
#endif
}
}
