// MCU SLEEP mode
void sleep(void) {
// Enable PWR clock
RCC_APB1PeriphClockCmd(RCC_APB1Periph_PWR, ENABLE);
// Request to enter SLEEP mode
PWR_EnterSleepMode(PWR_SLEEPEntry_WFI);
}
void main(void) {
GPIO_Config();
CAN_Config();
GPIO_SetBits(GPIOA, GPIO_Pin_8);
while(1) {
PWR_EnterSleepMode(PWR_SLEEPEntry_WFI);
}
}
int main(void)
{
int rectimetemp, adc2, adc3, bat, i, accx, accy, accz;
float temp=0;
accx=accy=accz=adc2=bat=adc3=0;
uint8_t receivedflag, j=0;
Broentech_Package_Header header;
initALL(); // Initialize all the peripherals
/* Check I2C device and tell me who is connected and who is not
for (j=0; j<255; j+=2){
for (i=0; i<1000; i++); //Delay
if(I2C_check_dev(I2C2, j)==SUCCESS)
printf("device %d ok \n\r", j);
}
for (i=0; i<100000; i++); //Delay
printf("Initialization Status: Ok, Devices checked! \n\r"); //Send string over USART1
for (i=0; i<1000000; i++); //Delay
*/
while(1)
{
//wakeup_RF(); // Wake up the RF chip
/*read ADC values*/
bat=(3*readADCbat()); //read battery value
temp=read_temp();
// adc3=readADC3(); //read ADC3 Sensors
// adc2=readADC2(); //read ADC2 Sensor
sendDatagramfloat(temp, 0.0, 0.0);
// sendDatagramint(adc2,0,0);
// sendDatagramint(adc3,0,0);
//build header and sent datagram for bat
memcpy(&header.sensID, "BATT",4);
memcpy(&header.dataType, "AINT",4);
memcpy(&header.dataID, "B---",4);
sendDatagramint(header,bat,0,0);
temp=0.0;
bat=adc3=adc2=0;
//go to sleep
//sleep_RF();
PWR_EnterSleepMode(PWR_Regulator_LowPower, PWR_SLEEPEntry_WFI);
}
}
void vApplicationIdleHook( void )
{
/* Called on each iteration of the idle task. In this case the idle task
just enters a low(ish) power mode. */
PWR_EnterSleepMode( PWR_Regulator_ON, PWR_SLEEPEntry_WFI );
}
int main(void)
{
NVIC_SetVectorTable(NVIC_VectTab_FLASH,0x3000);
set_msi();
DBGMCU_Config(DBGMCU_SLEEP | DBGMCU_STANDBY | DBGMCU_STOP, DISABLE);
set_bor();
Power.sleep_now=DISABLE;
DataUpdate.Need_erase_flash=ENABLE;
Settings.Geiger_voltage=360; // Напряжение на датчике 360 вольт
Settings.Pump_Energy=350; // энергия накачки 350 мТл
DataUpdate.current_flash_page=0;
io_init(); // Инициализация потров МК
eeprom_write_default_settings(); // Проверка, заполнен ли EEPROM
eeprom_read_settings(); // Чтение настроек из EEPROM
screen=1;
Power.USB_active=DISABLE;
Power.sleep_time=Settings.Sleep_time;
Power.Display_active=ENABLE;
ADCData.DAC_voltage_raw=0x610;
dac_init();
comp_init();
comp_on();
timer9_Config(); // Конфигурируем таймер накачки
timer10_Config();
tim2_Config();
sound_activate();
delay_ms(100);
sound_deactivate();
//--------------------------------------------------------------------
RTC_Config(); // Конфигурируем часы
//--------------------------------------------------------------------
// инициализация дисплея
//--------------------------------------------------------------------
delay_ms(50); // подождать установки напряжения
display_on();
LcdInit();
LcdClear();
//--------------------------------------------------------------------
adc_init();
delay_ms(100);
adc_calibration();
delay_ms(10);
//--------------------------------------------------------------------
EXTI8_Config();
#ifdef version_401
EXTI9_Config();
#endif
EXTI3_Config();
EXTI4_Config();
EXTI6_Config();
DataUpdate.Need_batt_voltage_update=ENABLE;
if(!GPIO_ReadInputDataBit(GPIOA, GPIO_Pin_6))hidden_menu=ENABLE; // Открытие сервисных пунктов меню
delay_ms(500); // подождать установки напряжения
while(1)
/////////////////////////////////
{
if(DataUpdate.Need_fon_update==ENABLE) geiger_calc_fon();
if(key>0) keys_proccessing();
if(DataUpdate.Need_batt_voltage_update) adc_check_event();
////////////////////////////////////////////////////
if((Power.sleep_time>0)&(!Power.Display_active))sleep_mode(DISABLE); // Если дисплей еще выключен, а счетчик сна уже отсчитывает, поднимаем напряжение и включаем дисплей
if(Power.Display_active)
{
if(Power.sleep_time==0 && !Alarm.Alarm_active) sleep_mode(ENABLE); // Счетчик сна досчитал до нуля, а дисплей еще активен, то выключаем его и понижаем напряжение
if(Power.led_sleep_time>0)
{
GPIO_ResetBits(GPIOC,GPIO_Pin_13);// Включаем подсветку
} else {
GPIO_SetBits(GPIOC,GPIO_Pin_13);// Выключаем подсветку
}
if(DataUpdate.Need_display_update==ENABLE)
{
DataUpdate.Need_display_update=DISABLE;
LcdClear_massive();
if (screen==1)main_screen();
if (screen==2)menu_screen();
if (screen==3)stat_screen();
}
///////////////////////////////////////////////////////////////////////////////
}
#ifdef version_401
if((!Power.USB_active) && (GPIO_ReadInputDataBit(GPIOB, GPIO_Pin_9))){
usb_activate(0x0); // Если питание USB начало подаваться включаем USB
}
#endif
if(!Power.USB_active) // если USB не активен, можно уходить в сон
{
if(current_pulse_count<30) // Если счетчик не зашкаливает, то можно уйти в сон
{
if(!Power.Pump_active && !Power.Sound_active)
{
PWR_EnterSTOPMode(PWR_Regulator_LowPower, PWR_STOPEntry_WFI); // Переходим в сон
#ifdef debug
Wakeup.total_wakeup++;
DataUpdate.Need_display_update=ENABLE;
#endif
} else
{
PWR_EnterSleepMode(PWR_Regulator_ON, PWR_SLEEPEntry_WFI);
#ifdef debug
Wakeup.total_wakeup++;
DataUpdate.Need_display_update=ENABLE;
#endif
}
}
}else USB_work(); // если USB активен, попробовать передать данные
#ifdef debug
Wakeup.total_cycle++;
DataUpdate.Need_display_update=ENABLE;
#endif
}
///////////////////////////////////////////////////////////////////////////////
}
/**
* @brief Current measurement in different MCU modes:
* RUN/SLEEP/LowPower/STANDBY with/without RTC
* @caller main and ADC_Icc_Test
* @param MCU state
* @retval ADC value.
*/
uint16_t ADC_Icc_Test(uint8_t Mcu_State)
{
GPIO_InitTypeDef GPIO_InitStructure;
uint16_t adc_measure;
uint32_t i;
RCC_TypeDef SavRCC;
/* Reset UserButton State */
UserButton = FALSE;
/* Start counter */
GPIO_HIGH(CTN_GPIO_PORT,CTN_CNTEN_GPIO_PIN);
/* Disable the RTC Wakeup Interrupt */
RTC_ITConfig(RTC_IT_WUT, DISABLE);
/* Disable LCD */
LCD_Cmd(DISABLE);
/* wait until LCD disable */
while (LCD_GetFlagStatus(LCD_FLAG_ENS) == SET);
/*Reset Idd-WakeUP flag*/
Idd_WakeUP = FALSE;
/* Set IO in lowpower configuration*/
GPIO_LowPower_Config();
/*Disable fast wakeUp*/
PWR_FastWakeUpCmd(DISABLE);
/* Test MCU state for configuration */
switch (Mcu_State)
{
/* Run mode : Measurement Measurement performed with MSI 4 MHz without RTC*/
case MCU_RUN:
/* switch on MSI clock */
SetHSICLKToMSI(RCC_MSIRange_6,NoDIV2,NoRTC) ;
/* shitch on MSI clock */
Config_RCC(&SavRCC);
SysTick->CTRL = 0;
RCC->APB1ENR = 0;
/* To run nops during measurement:
it's the best case for low current */
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;
/* SLEEP mode : Measurement performed with MSI 4 MHz without RTC in WFI mode*/
case MCU_SLEEP:
SetHSICLKToMSI(RCC_MSIRange_6,NoDIV2,NoRTC) ;
Config_RCC(&SavRCC);
Config_Systick_50ms();
Delay(1);
/* Request Wait For Interrupt */
PWR_EnterSleepMode(PWR_Regulator_ON,PWR_SLEEPEntry_WFI);
break;
/* RUN LOW POWER mode : Measurement performed with MSI 32 Khz without RTC */
case MCU_LP_RUN:
/* Disable PVD */
PWR_PVDCmd(DISABLE);
/* Enable The ultra Low Power Mode */
PWR_UltraLowPowerCmd(ENABLE);
/* Save the RCC configuration registers */
Config_RCC(&SavRCC);
/* Stop the sys tick in order to avoid IT */
SysTick->CTRL = 0;
#ifdef TESTINRAM
SetHSICLKToMSI(RCC_MSIRange_0,DIV2,NoRTC) ;
PWR_EnterLowPowerRunMode(ENABLE);
while(PWR_GetFlagStatus(PWR_FLAG_REGLP) == RESET) ;
DisableInterrupts();
EnterLPRUNModeRAM();
EnableInterrupts();
#else
/* Swith in MSI 32KHz */
SetHSICLKToMSI(RCC_MSIRange_64KHz,DIV2,NoRTC) ;
PWR_EnterLowPowerRunMode(ENABLE);
while(PWR_GetFlagStatus(PWR_FLAG_REGLP) == RESET) ;
/* Launch the counter */
GPIO_LOW(CTN_GPIO_PORT,CTN_CNTEN_GPIO_PIN);
/* To run the nop during measurement:
it's the best case for low current
until counter reach detected by IT --> Idd_WakeUP */
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();
} while (Idd_WakeUP == FALSE );
#endif
PWR_EnterLowPowerRunMode(DISABLE);
while(PWR_GetFlagStatus(PWR_FLAG_REGLP) != RESET) ;
break;
/* SLEEP LOW POWER mode
Measurement done to MSI 32 Khz without RTC
*/
case MCU_LP_SLEEP:
/* Disable PVD */
PWR_PVDCmd(DISABLE);
/* Enable Ultra low power mode */
PWR_UltraLowPowerCmd(ENABLE);
/* To save the RCC configuration registers */
Config_RCC(&SavRCC);
/* To stop the sys tick for avoid IT */
SysTick->CTRL = 0;
/* Swith in MSI 32KHz */
SetHSICLKToMSI(RCC_MSIRange_0,DIV2,NoRTC) ;
#ifdef TESTINRAM
DisableInterrupts();
EnterLPSLEEPModeRAM();
EnableInterrupts();
#else
/* Falling edge for start counter */
GPIO_LOW(CTN_GPIO_PORT,CTN_CNTEN_GPIO_PIN);
/* Request Wait For Interrupt */
PWR_EnterSleepMode(PWR_Regulator_LowPower,PWR_SLEEPEntry_WFI);
#endif
break;
/* STOP modes
Measurement done to MSI 32 Khz without or with RTC
*/
case MCU_STOP_NoRTC:
case MCU_STOP_RTC:
/* Disable PVD */
PWR_PVDCmd(DISABLE);
/* Enable Ultra low power mode */
PWR_UltraLowPowerCmd(ENABLE);
/* To save the RCC configuration registers */
Config_RCC(&SavRCC);
/* To stop the sys tick for avoid IT */
SysTick->CTRL = 0;
/* Swith in MSI 32KHz */
if( Mcu_State == MCU_STOP_NoRTC )
SetHSICLKToMSI(RCC_MSIRange_0,DIV2,NoRTC) ;
else
SetHSICLKToMSI(RCC_MSIRange_0,DIV2,WITHRTC) ;
/* Falling edge for start counter */
GPIO_LOW(CTN_GPIO_PORT,CTN_CNTEN_GPIO_PIN);
/* Request Wait For Interrupt */
PWR_EnterSTOPMode(PWR_Regulator_LowPower,PWR_STOPEntry_WFI);
break;
/* Standby mode without RTC
Measurement done to MSI 32 Khz without RTC
*/
case MCU_STBY:
/* Disable PVD */
PWR_PVDCmd(DISABLE);
/* Enable Ultra low power mode */
PWR_UltraLowPowerCmd(ENABLE);
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_Pin = GPIO_Pin_0 ;
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_Init( GPIOA, &GPIO_InitStructure);
GPIO_PinAFConfig(GPIOC, GPIO_PinSource13,GPIO_AF_RTC_AF1) ;
//GPIO_PinAFConfig(GPIOA, GPIO_PinSource0,GPIO_AF_RTC_AF1) ;
Config_RCC(&SavRCC);
SysTick->CTRL = 0;
/* Swith in MSI 32KHz */
SetHSICLKToMSI(RCC_MSIRange_0,DIV2,NoRTC) ;
PWR_WakeUpPinCmd(PWR_WakeUpPin_1,ENABLE);
PWR_UltraLowPowerCmd(ENABLE);
PWR_EnterSTANDBYMode();
/* Stop here WakeUp EXIT on RESET */
break;
}
SetHSICLK();
Config_Systick();
RCC->AHBENR = SavRCC.AHBENR;
PWR_VoltageScalingConfig(PWR_VoltageScaling_Range1);
/* Wait Until the Voltage Regulator is ready */
while (PWR_GetFlagStatus(PWR_FLAG_VOS) != RESET) ;
/* Read ADC for current measurmeent */
adc_measure = Current_Measurement();
/* ICC_CNT_EN Hi */
GPIO_HIGH(CTN_GPIO_PORT,CTN_CNTEN_GPIO_PIN);
UserButton = TRUE;
/* To restore RCC registers */
RCC->APB1ENR = SavRCC.APB1ENR;
RCC->APB2ENR = SavRCC.APB2ENR;
RCC->AHBLPENR = SavRCC.AHBLPENR;
RCC->APB1LPENR = SavRCC.APB1LPENR;
RCC->APB2LPENR = SavRCC.APB2LPENR;
/* Need to reinit RCC for LCD*/
RCC_Configuration();
PWR_EnterLowPowerRunMode(DISABLE);
/* Disable Ultra low power mode */
PWR_UltraLowPowerCmd(DISABLE);
/* Disable FLASH during SLeep LP */
FLASH_SLEEPPowerDownCmd(DISABLE);
Restore_GPIO_Config();
/* Clear Wake Up flag */
PWR_ClearFlag(PWR_FLAG_WU);
/* Enable PVD */
PWR_PVDCmd(ENABLE);
LCD_GLASS_Init();
return (adc_measure);
}
/**
* @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
* - VDD from 1.65V to 3.6V
* - Current Consumption ~4.07uA
* - Wakeup using EXTI Line (Key Button PA.00)
* @param None
* @retval None
*/
void LowPowerSleepMode_Measure(void)
{
/* Configure the System Clock to MSI Range 0 (65KHz). ----------------------*/
/* RCC system reset */
RCC_DeInit();
/* Flash 0 wait state */
FLASH_SetLatency(FLASH_Latency_0);
/* Disable Prefetch Buffer */
FLASH_PrefetchBufferCmd(DISABLE);
/* Disable 64-bit access */
FLASH_ReadAccess64Cmd(DISABLE);
/* Enable the PWR APB1 Clock */
RCC_APB1PeriphClockCmd(RCC_APB1Periph_PWR, ENABLE);
/* Select the Voltage Range 2 (1.5V) */
PWR_VoltageScalingConfig(PWR_VoltageScaling_Range2);
/* Wait Until the Voltage Regulator is ready */
while(PWR_GetFlagStatus(PWR_FLAG_VOS) != RESET)
{
}
/* HCLK = SYSCLK/2 = ~32KHz */
RCC_HCLKConfig(RCC_SYSCLK_Div2);
/* PCLK2 = HCLK */
RCC_PCLK2Config(RCC_HCLK_Div1);
/* PCLK1 = HCLK */
RCC_PCLK1Config(RCC_HCLK_Div1);
/* Set MSI clock range to 65.536KHz */
RCC_MSIRangeConfig(RCC_MSIRange_0);
/* Select MSI as system clock source */
RCC_SYSCLKConfig(RCC_SYSCLKSource_MSI);
/* Wait till PLL is used as system clock source */
while (RCC_GetSYSCLKSource() != 0x00)
{}
/* Configure all GPIO as analog to reduce current consumption on non used IOs */
/* Enable GPIOs clock */
RCC_AHBPeriphClockCmd(RCC_AHBPeriph_GPIOA | RCC_AHBPeriph_GPIOB | RCC_AHBPeriph_GPIOC |
RCC_AHBPeriph_GPIOD | RCC_AHBPeriph_GPIOE | RCC_AHBPeriph_GPIOH |
RCC_AHBPeriph_GPIOF | RCC_AHBPeriph_GPIOG, ENABLE);
GPIO_InitStructure.GPIO_Mode = GPIO_Mode_AN;
GPIO_InitStructure.GPIO_Speed = GPIO_Speed_40MHz;
GPIO_InitStructure.GPIO_PuPd = GPIO_PuPd_NOPULL;
GPIO_InitStructure.GPIO_Pin = GPIO_Pin_All;
GPIO_Init(GPIOC, &GPIO_InitStructure);
GPIO_Init(GPIOD, &GPIO_InitStructure);
GPIO_Init(GPIOE, &GPIO_InitStructure);
GPIO_Init(GPIOH, &GPIO_InitStructure);
GPIO_Init(GPIOF, &GPIO_InitStructure);
GPIO_Init(GPIOG, &GPIO_InitStructure);
GPIO_Init(GPIOA, &GPIO_InitStructure);
GPIO_Init(GPIOB, &GPIO_InitStructure);
/* Disable GPIOs clock */
RCC_AHBPeriphClockCmd(RCC_AHBPeriph_GPIOA | RCC_AHBPeriph_GPIOB | RCC_AHBPeriph_GPIOC |
RCC_AHBPeriph_GPIOD | RCC_AHBPeriph_GPIOE | RCC_AHBPeriph_GPIOH |
RCC_AHBPeriph_GPIOF | RCC_AHBPeriph_GPIOG, DISABLE);
/* 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)
{
}
/* Configure Key Button*/
STM_EVAL_PBInit(BUTTON_KEY,BUTTON_MODE_EXTI);
/* Enable The ultra Low Power Mode */
PWR_UltraLowPowerCmd(ENABLE);
/* Enable the power down mode during Sleep mode */
FLASH_SLEEPPowerDownCmd(ENABLE);
/* Request to enter SLEEP mode with regulator in low power mode */
PWR_EnterSleepMode(PWR_Regulator_LowPower, PWR_SLEEPEntry_WFI);
/* Initialize LED1 on STM32L152-EVAL board */
STM_EVAL_LEDInit(LED1);
/* Infinite loop */
while (1)
{
/* Toggle The LED1 */
STM_EVAL_LEDToggle(LED1);
/* Inserted Delay */
for(index = 0; index < 0x5FF; index++);
}
}
/**
* @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 SleepMode_Measure(void)
{
/* Configure System Clock to HSI (16MHz) */
__IO uint32_t StartUpCounter = 0, HSIStatus = 0;
/* SYSCLK, HCLK, PCLK2 and PCLK1 configuration -----------------------------*/
/* RCC system reset(for debug purpose) */
RCC_DeInit();
/* Enable HSI */
RCC_HSICmd(ENABLE);
/* Wait till HSI is ready and if Time out is reached exit */
do
{
HSIStatus = RCC_GetFlagStatus(RCC_FLAG_HSIRDY);
StartUpCounter++;
} while((HSIStatus == 0) && (StartUpCounter != HSI_STARTUP_TIMEOUT));
if (RCC_GetFlagStatus(RCC_FLAG_HSIRDY) != RESET)
{
HSIStatus = (uint32_t)0x01;
}
else
{
HSIStatus = (uint32_t)0x00;
}
if (HSIStatus == 0x01)
{
/* Enable 64-bit access */
FLASH_ReadAccess64Cmd(ENABLE);
/* Enable Prefetch Buffer */
FLASH_PrefetchBufferCmd(ENABLE);
/* Flash 1 wait state */
FLASH_SetLatency(FLASH_Latency_1);
/* Enable the PWR APB1 Clock */
RCC_APB1PeriphClockCmd(RCC_APB1Periph_PWR, ENABLE);
/* Select the Voltage Range 2 (1.5V) */
PWR_VoltageScalingConfig(PWR_VoltageScaling_Range2);
/* Wait Until the Voltage Regulator is ready */
while(PWR_GetFlagStatus(PWR_FLAG_VOS) != RESET)
{
}
/* HCLK = SYSCLK */
RCC_HCLKConfig(RCC_SYSCLK_Div1);
/* PCLK2 = HCLK */
RCC_PCLK2Config(RCC_HCLK_Div1);
/* PCLK1 = HCLK */
RCC_PCLK1Config(RCC_HCLK_Div1);
/* Select HSI as system clock source */
RCC_SYSCLKConfig(RCC_SYSCLKSource_HSI);
/* Wait till HSI is used as system clock source */
while (RCC_GetSYSCLKSource() != 0x04)
{}
}
else
{
/* If HSI fails to start-up, the application will have wrong clock configuration.
User can add here some code to deal with this error */
/* Go to infinite loop */
while (1)
{}
}
/* Configure all GPIO as analog to reduce current consumption on non used IOs */
/* Enable GPIOs clock */
RCC_AHBPeriphClockCmd(RCC_AHBPeriph_GPIOA | RCC_AHBPeriph_GPIOB | RCC_AHBPeriph_GPIOC |
RCC_AHBPeriph_GPIOD | RCC_AHBPeriph_GPIOE | RCC_AHBPeriph_GPIOH |
RCC_AHBPeriph_GPIOF | RCC_AHBPeriph_GPIOG, ENABLE);
GPIO_InitStructure.GPIO_Mode = GPIO_Mode_AN;
GPIO_InitStructure.GPIO_Speed = GPIO_Speed_40MHz;
GPIO_InitStructure.GPIO_PuPd = GPIO_PuPd_NOPULL;
GPIO_InitStructure.GPIO_Pin = GPIO_Pin_All;
GPIO_Init(GPIOC, &GPIO_InitStructure);
GPIO_Init(GPIOD, &GPIO_InitStructure);
GPIO_Init(GPIOE, &GPIO_InitStructure);
GPIO_Init(GPIOH, &GPIO_InitStructure);
GPIO_Init(GPIOF, &GPIO_InitStructure);
GPIO_Init(GPIOG, &GPIO_InitStructure);
GPIO_Init(GPIOA, &GPIO_InitStructure);
GPIO_Init(GPIOB, &GPIO_InitStructure);
/* Disable GPIOs clock */
RCC_AHBPeriphClockCmd(RCC_AHBPeriph_GPIOA | RCC_AHBPeriph_GPIOB | RCC_AHBPeriph_GPIOC |
RCC_AHBPeriph_GPIOD | RCC_AHBPeriph_GPIOE | RCC_AHBPeriph_GPIOH |
RCC_AHBPeriph_GPIOF | RCC_AHBPeriph_GPIOG, DISABLE);
/* 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)
{
}
/* Configure Key Button*/
STM_EVAL_PBInit(BUTTON_KEY,BUTTON_MODE_EXTI);
/* Request to enter SLEEP mode with regulator ON */
PWR_EnterSleepMode(PWR_Regulator_ON, PWR_SLEEPEntry_WFI);
/* Initialize LED1 on STM32L152-EVAL board */
STM_EVAL_LEDInit(LED1);
/* Infinite loop */
while (1)
{
/* Toggle The LED1 */
STM_EVAL_LEDToggle(LED1);
/* Inserted Delay */
for(index = 0; index < 0x5FFFF; index++);
}
}
/**
* @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();
}
