/**
* @brief Bias measurement using IDD stop mode measurement program.
* @param None
* @retval None
*/
void IDD_Measurement_Calibrate(void)
{
uint16_t pressedkey = 0x00;
/* Disable the JoyStick interrupts */
Demo_IntExtOnOffConfig(DISABLE);
LCD_Clear(LCD_COLOR_WHITE);
LCD_SetBackColor(LCD_COLOR_BLUE);
LCD_SetTextColor(LCD_COLOR_WHITE);
LCD_DisplayStringLine(LCD_LINE_0, "Current Bias Value ");
LCD_DisplayStringLine(LCD_LINE_1, "stored in DATAEEPROM");
IDD_Measurement_ADC_DisplayValue((*(__IO uint16_t *)DATA_EEPROM_BIAS_ADDR), STM32L_MODE_BIAS);
LCD_DisplayStringLine(LCD_LINE_2, Str);
LCD_DisplayStringLine(LCD_LINE_5, " To Start Bias ");
LCD_DisplayStringLine(LCD_LINE_6, "measurement press ");
LCD_DisplayStringLine(LCD_LINE_7, "SEL push-button. ");
LCD_DisplayStringLine(LCD_LINE_8, "Press JoyStick to ");
LCD_DisplayStringLine(LCD_LINE_9, "exit. ");
pressedkey = Menu_ReadKey();
while (pressedkey == NOKEY)
{
pressedkey = Menu_ReadKey();
}
if (pressedkey != SEL)
{
/* Enable the JoyStick interrupts */
Demo_IntExtOnOffConfig(ENABLE);
/* Display the previous menu */
Menu_DisplayMenu();
return;
}
LCD_Clear(LCD_COLOR_WHITE);
LCD_DisplayStringLine(LCD_LINE_0, "MCU will be in STOP ");
LCD_DisplayStringLine(LCD_LINE_1, " Bias Measurement ");
LCD_DisplayStringLine(LCD_LINE_2, " Make sure that JP4 ");
LCD_DisplayStringLine(LCD_LINE_3, " in position 1<->2 ");
LCD_DisplayStringLine(LCD_LINE_7, "Press JoyStick to ");
LCD_DisplayStringLine(LCD_LINE_8, "continue. ");
LCD_GLASS_DisplayString(" BIAS ");
while (Menu_ReadKey() == NOKEY)
{}
IDD_Measurement(STM32L_STOP, RTC_STATE_OFF, BIAS_CALIB_ON);
}
/**
* @brief This function configures the system to enter Sleep mode for
* current consumption measurement purpose.
* Sleep Mode
* ==========
* - System Running at HSI (16MHz)
* - Flash 1 wait state
* - Voltage Range 2
* - Code running from Internal FLASH
* - Current Consumption ~1mA
* - Wakeup using EXTI Line (Key Button PA.00)
* @param None
* @retval None
*/
void IDD_Measurement_Sleep(void)
{
LCD_Clear(LCD_COLOR_WHITE);
LCD_SetBackColor(LCD_COLOR_BLUE);
LCD_SetTextColor(LCD_COLOR_WHITE);
LCD_GLASS_DisplayString(" SLEEP ");
LCD_DisplayStringLine(LCD_LINE_0, " SLEEP Mode ");
LCD_DisplayStringLine(LCD_LINE_2, "Run at System Clock ");
LCD_DisplayStringLine(LCD_LINE_3, "16MHz, RTC ON, all ");
LCD_DisplayStringLine(LCD_LINE_4, "peripherals OFF and ");
LCD_DisplayStringLine(LCD_LINE_5, "I/Os in Analog input");
LCD_DisplayStringLine(LCD_LINE_8, "Press JoyStick to ");
LCD_DisplayStringLine(LCD_LINE_9, "continue. ");
while (Menu_ReadKey() == NOKEY)
{}
LCD_DisplayStringLine(LCD_LINE_0, " MCU in SLEEP Mode ");
LCD_DisplayStringLine(LCD_LINE_8, "Press KEY button to ");
LCD_DisplayStringLine(LCD_LINE_9, "wakeup. ");
/* STM32L Low Power Mode Selection */
IDD_Measurement(STM32L_SLEEP, RTC_STATE_ON, BIAS_CALIB_OFF);
}
/**
* @brief Selects the RTC State during low power modes. RTC could be ON or OFF.
* @param None
* @retval RTC state during low power modes.
* - RTC_STATE_ON: RTC ON during low power modes.
* - RTC_STATE_OFF: RTC OFF during low power modes.
*/
uint32_t IDD_Measurement_SelectRTCState(void)
{
uint8_t pressedkey = NOKEY;
LCD_DisplayStringLine(LCD_LINE_0, " RTC ON or OFF ");
LCD_DisplayStringLine(LCD_LINE_1, "ON: Press SEL ");
LCD_DisplayStringLine(LCD_LINE_2, "OFF: Press Any Key ");
pressedkey = Menu_ReadKey();
while (pressedkey == NOKEY)
{
pressedkey = Menu_ReadKey();
}
if(pressedkey == SEL)
{
return RTC_STATE_ON;
}
else
{
return RTC_STATE_OFF;
}
}
/**
* @brief Displays the Standby IDD value after woken-up from Standby mode.
* @param None
* @retval None
*/
void IDD_Measurement_DisplayStandby(void)
{
while (Menu_ReadKey() != NOKEY)
{}
IDD_Measurement_ADC_DisplayValue((*(__IO uint16_t *)DATA_EEPROM_STBY_ADDR), STM32L_MODE_LP);
/* Clear the LCD */
LCD_Clear(LCD_COLOR_WHITE);
LCD_SetBackColor(LCD_COLOR_BLUE);
LCD_SetTextColor(LCD_COLOR_WHITE);
LCD_DisplayStringLine(LCD_LINE_1, " Standby Mode ");
LCD_DisplayStringLine(LCD_LINE_3, Str);
LCD_DisplayStringLine(LCD_LINE_5, "Press JoyStick to ");
LCD_DisplayStringLine(LCD_LINE_6, "continue. ");
while (Menu_ReadKey() == NOKEY)
{}
/* Disable ADC1 */
ADC_Cmd(ADC1, DISABLE);
}
/**
* @brief This function configures the system to enter Low Power Sleep mode for
* current consumption measurement purpose.
* The maximum clock when the system is in Low Power Run mode is ~128KHz.
* This mode can only be entered when Voltage Range 2 is selected.
* Low Power Sleep Mode
* ====================
* - System Running at MSI (~32KHz)
* - Flash 0 wait state
* - Voltage Range 2
* - Code running from Internal FLASH
* - All peripherals OFF
* - RTC could be ON or OFF
* - VDD from 1.65V to 3.6V
* - Current Consumption ~4.07uA
* - Wakeup using EXTI Line (Key Button PA.00)
* @param None
* @retval None
*/
void IDD_Measurement_SleepLP(void)
{
uint8_t rtcstate;
LCD_Clear(LCD_COLOR_WHITE);
LCD_SetBackColor(LCD_COLOR_BLUE);
LCD_SetTextColor(LCD_COLOR_WHITE);
LCD_GLASS_DisplayString("SLEEP LP");
rtcstate = IDD_Measurement_SelectRTCState();
LCD_DisplayStringLine(LCD_LINE_0, "MCU will be in SLEEP");
LCD_DisplayStringLine(LCD_LINE_1, " LP Mode ");
LCD_DisplayStringLine(LCD_LINE_2, "Run at MSI 32KHz all");
LCD_DisplayStringLine(LCD_LINE_3, "peripherals OFF, ");
LCD_DisplayStringLine(LCD_LINE_4, "all I/O in Analog ");
LCD_DisplayStringLine(LCD_LINE_5, "input and RTC ON. ");
if(rtcstate == RTC_STATE_ON)
{
LCD_DisplayStringLine(LCD_LINE_5, "input and RTC ON. ");
}
else
{
LCD_DisplayStringLine(LCD_LINE_5, "input and RTC OFF. ");
}
LCD_DisplayStringLine(LCD_LINE_8, "Press JoyStick to ");
LCD_DisplayStringLine(LCD_LINE_9, "continue. ");
while (Menu_ReadKey() == NOKEY)
{}
/* STM32L Low Power Mode Selection */
IDD_Measurement(STM32L_SLEEP_LP, rtcstate, BIAS_CALIB_OFF);
}
/**
* @brief RCR receiver demo exec.
* @param None
* @retval None
*/
void Menu_RC5Decode_Func(void)
{
TIM_TimeBaseInitTypeDef TIM_TimeBaseStructure;
TIM_OCInitTypeDef TIM_OCInitStructure;
/* Disable the TIM15, LED Toggling */
TIM_Cmd(TIM15, DISABLE);
/* Disable the JoyStick interrupt */
Demo_IntExtOnOffCmd(DISABLE);
while (Menu_ReadKey() != NOKEY)
{}
/* Clear the LCD */
LCD_Clear(LCD_COLOR_WHITE);
/* Display Image */
LCD_SetDisplayWindow(120, 192, 64, 64);
Storage_OpenReadFile(120, 192, "STFILES/TV.BMP");
LCD_WindowModeDisable();
/* Set the LCD Back Color */
LCD_SetBackColor(LCD_COLOR_BLUE);
/* Set the LCD Text Color */
LCD_SetTextColor(LCD_COLOR_WHITE);
LCD_DisplayStringLine(LCD_LINE_9, " To exit press UP ");
/* Initialize the InfraRed application: RC5 */
RFDemoStatus = RC5DEMO;
RC5_Init();
while(Menu_ReadKey() != UP)
{
/* Decode the RC5 frame */
RC5_Decode(&RC5_FRAME);
}
LCD_Clear(LCD_COLOR_WHITE);
TIM_DeInit(TIM2);
/* Time Base configuration 100ms*/
TIM_TimeBaseStructInit(&TIM_TimeBaseStructure);
TIM_TimeBaseStructure.TIM_Prescaler = 1000;
TIM_TimeBaseStructure.TIM_CounterMode = TIM_CounterMode_Up;
TIM_TimeBaseStructure.TIM_Period = 0x0C80;
TIM_TimeBaseStructure.TIM_ClockDivision = 0x0;
TIM_TimeBaseInit(TIM2, &TIM_TimeBaseStructure);
/* Channel 1, 2, 3 and 4 Configuration in Timing mode */
TIM_OCStructInit(&TIM_OCInitStructure);
TIM_OCInitStructure.TIM_OCMode = TIM_OCMode_Timing;
TIM_OCInitStructure.TIM_OutputState = TIM_OutputState_Enable;
TIM_OCInitStructure.TIM_Pulse = 0x0;
TIM_OC1Init(TIM2, &TIM_OCInitStructure);
Demo_LedShow(ENABLE);
/* Exit the RF5 demo */
RFDemoStatus = 0;
/* Enable the JoyStick interrupt */
Demo_IntExtOnOffCmd(ENABLE);
/* Display menu */
Menu_DisplayMenu();
}
/**
* @brief Enter the MCU selected low power modes.
* @param lpmode: selected MCU low power modes. This parameter can be one of the
* following values:
* @arg STM32L_RUN: Run mode at 32MHz.
* @arg STM32L_RUN_1M: Run mode at 1MHz.
* @arg STM32L_RUN_LP: Low power Run mode at 32KHz.
* @arg STM32L_SLEEP: Sleep mode at 16MHz.
* @arg STM32L_SLEEP_LP: Low power Sleep mode at 32KHz.
* @arg STM32L_STOP: Stop mode with or without RTC.
* @arg STM32L_STANDBY: Standby mode with or without RTC.
* @param RTCState: RTC peripheral state during low power modes. This parameter
* is valid only for STM32L_RUN_LP, STM32L_SLEEP_LP, STM32L_STOP and
* STM32L_STANDBY. This parameter can be one of the following values:
* @arg RTC_STATE_ON: RTC peripheral is ON during low power modes.
* @arg RTC_STATE_OFF: RTC peripheral is OFF during low power modes.
* @param CalibrationState: Bias Calibration mode selection state during low
* power modes.
* This parameter can be one of the following values:
* @arg BIAS_CALIB_OFF: Bias Calibration mode is selected during
* low power modes.
* @arg BIAS_CALIB_ON: Bias Calibration mode isn't selected during
* low power modes.
* @retval None
*/
void IDD_Measurement(uint32_t lpmode, uint8_t RTCState, uint8_t CalibrationState)
{
GPIO_InitTypeDef GPIO_InitStructure;
uint16_t mode = STM32L_MODE_LP, adcdata, i;
/* Disable the Wakeup Interrupt */
RTC_ITConfig(RTC_IT_WUT, DISABLE);
/* Disable the JoyStick interrupts */
Demo_IntExtOnOffConfig(DISABLE);
/* Disable Leds toggling */
Demo_LedShow(DISABLE);
/* Save the RCC configuration */
RCC_AHBENR = RCC->AHBENR;
RCC_APB2ENR = RCC->APB2ENR;
RCC_APB1ENR = RCC->APB1ENR;
/* Disable PVD */
PWR_PVDCmd(DISABLE);
/* Wait until JoyStick is pressed */
while (Menu_ReadKey() != NOKEY)
{}
/* Save the GPIO pins current configuration then put all GPIO pins in Analog
Input mode ...*/
IDD_Measurement_SaveContext();
/* Clear Wake Up flag */
PWR_ClearFlag(PWR_FLAG_WU);
RCC->AHBENR = 0x05;
RCC->APB2ENR = 0x00;
RCC->APB1ENR = 0x10000000; /* PWR APB1 Clock enable */
switch(lpmode)
{
/*=========================================================================*
* RUN MODE 32MHz (HSE + PLL) *
*========================================================================*/
case STM32L_RUN:
{
mode = STM32L_MODE_RUN;
/* Needed delay to have a correct value on capacitor C25.
Running NOP during waiting loop will decrease the current consumption. */
for (i = 0;i < 0xFFFF; i++)
{
__NOP(); __NOP(); __NOP(); __NOP();
__NOP(); __NOP(); __NOP(); __NOP();
__NOP(); __NOP(); __NOP(); __NOP();
__NOP(); __NOP(); __NOP(); __NOP();
__NOP(); __NOP(); __NOP(); __NOP();
__NOP(); __NOP(); __NOP(); __NOP();
__NOP(); __NOP(); __NOP(); __NOP();
__NOP(); __NOP(); __NOP(); __NOP();
__NOP(); __NOP(); __NOP(); __NOP();
__NOP(); __NOP(); __NOP(); __NOP();
__NOP(); __NOP(); __NOP(); __NOP();
}
}
break;
/*=========================================================================*
* RUN MODE MSI 1MHz *
*========================================================================*/
case STM32L_RUN_1M:
{
mode = STM32L_MODE_RUN;
/* Reconfigure the System Clock at MSI 1 MHz */
SetHCLKToMSI_1MHz();
/* Needed delay to have a correct value on capacitor C25.
Running NOP during waiting loop will decrease the current consumption. */
for (i = 0;i < 0x3FFF; i++)
{
__NOP(); __NOP(); __NOP(); __NOP();
__NOP(); __NOP(); __NOP(); __NOP();
__NOP(); __NOP(); __NOP(); __NOP();
__NOP(); __NOP(); __NOP(); __NOP();
__NOP(); __NOP(); __NOP(); __NOP();
__NOP(); __NOP(); __NOP(); __NOP();
__NOP(); __NOP(); __NOP(); __NOP();
__NOP(); __NOP(); __NOP(); __NOP();
__NOP(); __NOP(); __NOP(); __NOP();
__NOP(); __NOP(); __NOP(); __NOP();
__NOP(); __NOP(); __NOP(); __NOP();
}
}
break;
/*=========================================================================*
* RUN LOW POWER MODE MSI 32KHz *
*========================================================================*/
case STM32L_RUN_LP:
{
if(!RTCState)
{
RCC_LSEConfig(RCC_LSE_OFF);
}
else
{
if (RTC_GetFlagStatus(RTC_FLAG_INITS) == RESET)
{
/* RTC Configuration ************************************************/
/* 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);
/* Wait for RTC APB registers synchronisation */
RTC_WaitForSynchro();
}
}
/* Configure the System Clock at MSI 32 KHz */
SetHCLKToMSI_64KHz();
RCC_HCLKConfig(RCC_SYSCLK_Div2);
/* Clear IDD_CNT_EN pin */
GPIO_ResetBits(IDD_CNT_EN_GPIO_PORT, IDD_CNT_EN_PIN);
/* Enter low power run mode */
PWR_EnterLowPowerRunMode(ENABLE);
/* Waiting wake-up interrupt */
/* Needed delay to have a correct value on capacitor C25.
Running NOP during waiting loop will decrease the current consumption. */
do
{
__NOP(); __NOP(); __NOP(); __NOP();
__NOP(); __NOP(); __NOP(); __NOP();
__NOP(); __NOP(); __NOP(); __NOP();
__NOP(); __NOP(); __NOP(); __NOP();
__NOP(); __NOP(); __NOP(); __NOP();
__NOP(); __NOP(); __NOP(); __NOP();
__NOP(); __NOP(); __NOP(); __NOP();
__NOP(); __NOP(); __NOP(); __NOP();
__NOP(); __NOP(); __NOP(); __NOP();
__NOP(); __NOP(); __NOP(); __NOP();
__NOP(); __NOP(); __NOP(); __NOP();
}while(LowPowerStatus == 0x00);
/* Exit low power run mode before setting the clock to 32MHz */
PWR_EnterLowPowerRunMode(DISABLE);
while(PWR_GetFlagStatus(PWR_FLAG_REGLP) != RESET)
{
}
}
break;
/*=========================================================================*
* SLEEP MODE HSI 16MHz *
*========================================================================*/
case STM32L_SLEEP:
{
mode = STM32L_MODE_RUN;
/* Enable Ultra low power mode */
PWR_UltraLowPowerCmd(ENABLE);
/* Diable FLASH during SLeep LP */
FLASH_SLEEPPowerDownCmd(ENABLE);
RCC_APB2PeriphClockLPModeCmd(RCC_APB2Periph_CLOCK, ENABLE);
RCC_APB1PeriphClockLPModeCmd(RCC_APB1Periph_CLOCK, ENABLE);
RCC_AHBPeriphClockLPModeCmd(RCC_AHBPeriph_CLOCK, ENABLE);
/* Configure the System Clock to 16MHz */
SetHCLKToHSI();
Demo_SysTickConfig();
Demo_Delay(5);
/* Request to enter SLEEP mode with regulator on */
PWR_EnterSleepMode(PWR_Regulator_ON, PWR_STOPEntry_WFI);
}
break;
/*=========================================================================*
* SLEEP LOW POWER MODE MSI 32KHz *
*========================================================================*/
case STM32L_SLEEP_LP:
{
if(!RTCState)
{
RCC_LSEConfig(RCC_LSE_OFF);
}
else
{
if (RTC_GetFlagStatus(RTC_FLAG_INITS) == RESET)
{
/* RTC Configuration ************************************************/
/* 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);
/* Wait for RTC APB registers synchronisation */
RTC_WaitForSynchro();
}
}
/* Enable Ultra low power mode */
PWR_UltraLowPowerCmd(ENABLE);
/* Diable FLASH during SLeep LP */
FLASH_SLEEPPowerDownCmd(ENABLE);
/* Disable HSI clock before entering Sleep LP mode */
RCC_HSICmd(DISABLE);
/* Disable HSE clock */
RCC_HSEConfig(RCC_HSE_OFF);
/* Disable LSI clock */
RCC_LSICmd(DISABLE);
RCC_APB2PeriphClockLPModeCmd(RCC_APB2Periph_CLOCK, ENABLE);
RCC_APB1PeriphClockLPModeCmd(RCC_APB1Periph_CLOCK, ENABLE);
RCC_AHBPeriphClockLPModeCmd(RCC_AHBPeriph_CLOCK, ENABLE);
/* Clear IDD_CNT_EN pin */
GPIO_ResetBits(IDD_CNT_EN_GPIO_PORT, IDD_CNT_EN_PIN);
/* Reconfigure the System Clock at MSI 64 KHz */
SetHCLKToMSI_64KHz();
RCC_HCLKConfig(RCC_SYSCLK_Div2);
/* Request to enter SLEEP mode with regulator low power */
PWR_EnterSleepMode(PWR_Regulator_LowPower, PWR_STOPEntry_WFI);
}
break;
/*=========================================================================*
* STOP LOW POWER MODE *
*========================================================================*/
case STM32L_STOP:
{
/* Enable Ultra low power mode */
PWR_UltraLowPowerCmd(ENABLE);
if(!RTCState)
{
RCC_LSEConfig(RCC_LSE_OFF);
}
else
{
if (RTC_GetFlagStatus(RTC_FLAG_INITS) == RESET)
{
/* RTC Configuration ************************************************/
/* 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);
/* Wait for RTC APB registers synchronisation */
RTC_WaitForSynchro();
}
}
/* Clear IDD_CNT_EN pin */
GPIO_ResetBits(IDD_CNT_EN_GPIO_PORT, IDD_CNT_EN_PIN);
/* Request to enter STOP mode with regulator in low power */
PWR_EnterSTOPMode(PWR_Regulator_LowPower, PWR_STOPEntry_WFI);
/* Reset the counter by programming IDD_CNT_EN High in less than 70ms after
the wakeup to avoid 1Kohm to be connected later on VDD_MCU */
GPIO_SetBits(IDD_CNT_EN_GPIO_PORT, IDD_CNT_EN_PIN);
/* Configures system clock after wake-up from STOP: enable HSE, PLL and select PLL
as system clock source (HSE and PLL are disabled in STOP mode) */
IDD_Measurement_SYSCLKConfig_STOP();
}
break;
/*=========================================================================*
* STANDBY LOW POWER MODE *
*========================================================================*/
case STM32L_STANDBY:
{
if (RTC_GetFlagStatus(RTC_FLAG_INITS) == RESET)
{
/* RTC Configuration **************************************************/
/* 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);
/* Wait for RTC APB registers synchronisation */
RTC_WaitForSynchro();
}
RTC_OutputTypeConfig(RTC_OutputType_PushPull);
RTC_OutputConfig(RTC_Output_WakeUp, RTC_OutputPolarity_High);
/* To configure PC13 WakeUP output */
GPIO_InitStructure.GPIO_Pin = GPIO_Pin_13;
GPIO_InitStructure.GPIO_OType = GPIO_OType_PP;
GPIO_InitStructure.GPIO_PuPd = GPIO_PuPd_NOPULL;
GPIO_InitStructure.GPIO_Speed = GPIO_Speed_400KHz;
GPIO_InitStructure.GPIO_Mode = GPIO_Mode_AF;
GPIO_Init(GPIOC, &GPIO_InitStructure);
GPIO_PinAFConfig(GPIOC, GPIO_PinSource13, GPIO_AF_RTC_AF1);
PWR_WakeUpPinCmd(PWR_WakeUpPin_1, ENABLE);
PWR_UltraLowPowerCmd(ENABLE);
RTC_ClearFlag(RTC_FLAG_WUTF | RTC_FLAG_ALRBF | RTC_FLAG_ALRAF | RTC_FLAG_TAMP1F | RTC_FLAG_TSF);
RTC_ITConfig(RTC_IT_WUT, DISABLE);
if(!RTCState)
{
RCC_LSEConfig(RCC_LSE_OFF);
}
/* Clear Wake Up flag */
PWR_ClearFlag(PWR_FLAG_WU);
/* Request to enter STANDBY mode (Wake Up flag is cleared in PWR_EnterSTANDBYMode function) */
PWR_EnterSTANDBYMode();
}
break;
}
/* Configure the System Clock to 32MHz */
SetHCLKTo32();
/* Reset lowpower status variable*/
LowPowerStatus = 0x00;
RCC->AHBENR = RCC_AHBENR;
RCC->APB2ENR = RCC_APB2ENR;
RCC->APB1ENR = RCC_APB1ENR;
/* Reset the counter by programming IDD_CNT_EN High in less than 70ms after
the wakeup to avoid 1Kohm to be connected later on VDD_MCU */
GPIO_SetBits(IDD_CNT_EN_GPIO_PORT, IDD_CNT_EN_PIN);
/* Measure the Voltage using the ADC */
adcdata = IDD_Measurement_ADC_ReadValue();
/* Write the ADC converted value in the DATA EEPROM memory for Bias Measurement */
if(CalibrationState == BIAS_CALIB_ON)
{
/* Unlock EEPROM write access*/
DATA_EEPROM_Unlock();
/* Store the value in EEPROM for application needs */
DATA_EEPROM_ProgramHalfWord(DATA_EEPROM_BIAS_ADDR, adcdata);
/* Lock back EEPROM write access */
DATA_EEPROM_Lock();
}
IDD_Measurement_ADC_DisplayValue(adcdata, mode);
/* Clear Wake Up flag */
PWR_ClearFlag(PWR_FLAG_WU);
/* Enable PVD */
PWR_PVDCmd(ENABLE);
/* Restore Demonstration Context. */
IDD_Measurement_RestoreContext();
LCD_SetBackColor(LCD_COLOR_GREEN);
LCD_DisplayStringLine(LCD_LINE_6, "STM32L LowPower Mode");
LCD_DisplayStringLine(LCD_LINE_7, Str);
LCD_DisplayStringLine(LCD_LINE_8, "Press JoyStick to ");
LCD_DisplayStringLine(LCD_LINE_9, "continue. ");
/* Wait until Joystick pressed. */
while (Menu_ReadKey() == NOKEY)
{}
/* Disable ADC1 */
ADC_Cmd(ADC1, DISABLE);
LCD_Clear(LCD_COLOR_WHITE);
LCD_GLASS_DisplayString(" STM32L ");
/* Enable the Wakeup Interrupt */
RTC_ITConfig(RTC_IT_WUT, ENABLE);
/* Enable the JoyStick interrupts */
Demo_IntExtOnOffConfig(ENABLE);
/* Display the previous menu */
Menu_DisplayMenu();
}
/**
* @brief Reset the Bias measurement value stored in Data EEPROM.
* @param None
* @retval None
*/
void IDD_Measurement_Bias_Reset(void)
{
uint8_t pressedkey = 0;
/* Disable the JoyStick interrupts */
Demo_IntExtOnOffConfig(DISABLE);
LCD_Clear(LCD_COLOR_WHITE);
LCD_SetBackColor(LCD_COLOR_BLUE);
LCD_SetTextColor(LCD_COLOR_WHITE);
LCD_Clear(LCD_COLOR_WHITE);
LCD_SetBackColor(LCD_COLOR_BLUE);
LCD_SetTextColor(LCD_COLOR_WHITE);
LCD_DisplayStringLine(LCD_LINE_0, "Current Bias Value ");
LCD_DisplayStringLine(LCD_LINE_1, "stored in DATAEEPROM");
IDD_Measurement_ADC_DisplayValue((*(__IO uint16_t *)DATA_EEPROM_BIAS_ADDR), STM32L_MODE_BIAS);
LCD_DisplayStringLine(LCD_LINE_2, Str);
LCD_DisplayStringLine(LCD_LINE_5, " To reset Bias ");
LCD_DisplayStringLine(LCD_LINE_6, "measurement press ");
LCD_DisplayStringLine(LCD_LINE_7, "SEL push-button. ");
LCD_DisplayStringLine(LCD_LINE_8, "Press JoyStick to ");
LCD_DisplayStringLine(LCD_LINE_9, "exit. ");
pressedkey = Menu_ReadKey();
while (pressedkey == NOKEY)
{
pressedkey = Menu_ReadKey();
}
if (pressedkey != SEL)
{
/* Enable the JoyStick interrupts */
Demo_IntExtOnOffConfig(ENABLE);
/* Display the previous menu */
Menu_DisplayMenu();
return;
}
LCD_Clear(LCD_COLOR_WHITE);
/* Unlock EEPROM write access. */
DATA_EEPROM_Unlock();
/* Store the value in EEPROM for application needs. */
DATA_EEPROM_ProgramHalfWord(DATA_EEPROM_BIAS_ADDR, 0x0);
/* Lock back EEPROM write access. */
DATA_EEPROM_Lock();
LCD_DisplayStringLine(LCD_LINE_1, " Bias Measurement ");
LCD_DisplayStringLine(LCD_LINE_2, " Bias Value is reset");
LCD_DisplayStringLine(LCD_LINE_3, " to 0x0. ");
LCD_DisplayStringLine(LCD_LINE_7, "Press JoyStick to ");
LCD_DisplayStringLine(LCD_LINE_8, "continue. ");
LCD_GLASS_DisplayString(" STM32L ");
while (Menu_ReadKey() == NOKEY)
{}
/* Enable the JoyStick interrupts */
Demo_IntExtOnOffConfig(ENABLE);
/* Display the previous menu */
Menu_DisplayMenu();
}