void SystemPower_Config(void)
{
/* Enable Ultra low power mode */
HAL_PWREx_EnableUltraLowPower();
/* Enable the fast wake up from Ultra low power mode */
HAL_PWREx_EnableFastWakeUp();
/* Select HSI as system clock source after Wake Up from Stop mode */
__HAL_RCC_WAKEUPSTOP_CLK_CONFIG(RCC_StopWakeUpClock_HSI);
/* Configure RTC */
RTCHandle.Instance = RTC;
/* Configure RTC prescaler and RTC data registers 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 */
}
}
/**
* @brief System Power Configuration
* The system Power is configured as follow :
* + System Running at MSI (~32KHz)
* + Flash 0 wait state
* + Voltage Range 2
* + Code running from Internal FLASH
* + Wakeup using EXTI Line (Key Button PC.13)
* @param None
* @retval None
*/
static void SystemPower_Config(void)
{
GPIO_InitTypeDef GPIO_InitStructure;
/* Enable Ultra low power mode */
HAL_PWREx_EnableUltraLowPower();
/* Enable the fast wake up from Ultra low power mode */
HAL_PWREx_EnableFastWakeUp();
/* Enable GPIOs clock */
__HAL_RCC_GPIOA_CLK_ENABLE();
__HAL_RCC_GPIOB_CLK_ENABLE();
__HAL_RCC_GPIOC_CLK_ENABLE();
__HAL_RCC_GPIOD_CLK_ENABLE();
__HAL_RCC_GPIOH_CLK_ENABLE();
/* Configure all GPIO port pins in Analog Input mode (floating input trigger OFF) */
GPIO_InitStructure.Pin = GPIO_PIN_All;
GPIO_InitStructure.Mode = GPIO_MODE_ANALOG;
GPIO_InitStructure.Pull = GPIO_NOPULL;
HAL_GPIO_Init(GPIOA, &GPIO_InitStructure);
HAL_GPIO_Init(GPIOB, &GPIO_InitStructure);
HAL_GPIO_Init(GPIOC, &GPIO_InitStructure);
HAL_GPIO_Init(GPIOD, &GPIO_InitStructure);
HAL_GPIO_Init(GPIOH, &GPIO_InitStructure);
/* Disable GPIOs clock */
__HAL_RCC_GPIOA_CLK_DISABLE();
__HAL_RCC_GPIOB_CLK_DISABLE();
__HAL_RCC_GPIOC_CLK_DISABLE();
__HAL_RCC_GPIOD_CLK_DISABLE();
__HAL_RCC_GPIOH_CLK_DISABLE();
}
/**
* @brief System Power Configuration
* The system Power is configured as follow :
* + Regulator in LP mode
* + VREFINT OFF, with fast wakeup enabled
* + HSI as SysClk after Wake Up
* + No IWDG
* + Automatic Wakeup using RTC clocked by LSI (after ~4s)
* @param None
* @retval None
*/
static void SystemPower_Config(void)
{
GPIO_InitTypeDef GPIO_InitStructure;
/* Enable Ultra low power mode */
HAL_PWREx_EnableUltraLowPower();
/* Enable the fast wake up from Ultra low power mode */
HAL_PWREx_EnableFastWakeUp();
/* Select HSI as system clock source after Wake Up from Stop mode */
__HAL_RCC_WAKEUPSTOP_CLK_CONFIG(RCC_StopWakeUpClock_HSI);
/* Enable GPIOs clock */
__GPIOA_CLK_ENABLE();
__GPIOB_CLK_ENABLE();
__GPIOC_CLK_ENABLE();
__GPIOD_CLK_ENABLE();
__GPIOH_CLK_ENABLE();
/* Configure all GPIO port pins in Analog Input mode (floating input trigger OFF) */
GPIO_InitStructure.Pin = GPIO_PIN_All;
GPIO_InitStructure.Mode = GPIO_MODE_ANALOG;
GPIO_InitStructure.Pull = GPIO_NOPULL;
HAL_GPIO_Init(GPIOA, &GPIO_InitStructure);
HAL_GPIO_Init(GPIOB, &GPIO_InitStructure);
HAL_GPIO_Init(GPIOC, &GPIO_InitStructure);
HAL_GPIO_Init(GPIOD, &GPIO_InitStructure);
HAL_GPIO_Init(GPIOH, &GPIO_InitStructure);
/* Disable GPIOs clock */
__GPIOA_CLK_DISABLE();
__GPIOB_CLK_DISABLE();
__GPIOC_CLK_DISABLE();
__GPIOD_CLK_DISABLE();
__GPIOH_CLK_DISABLE();
/* Configure RTC */
RTCHandle.Instance = RTC;
/* Configure RTC prescaler and RTC data registers 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();
}
}
/**
* @brief System Power Configuration
* The system Power is configured as follow :
* + VREFINT OFF, with fast wakeup enabled
* + No IWDG
* + Wakeup using PWR_WAKEUP_PIN3
* @param None
* @retval None
*/
static void SystemPower_Config(void)
{
/* Enable Power Control clock */
__HAL_RCC_PWR_CLK_ENABLE();
/* Enable Ultra low power mode */
HAL_PWREx_EnableUltraLowPower();
/* Enable the fast wake up from Ultra low power mode */
HAL_PWREx_EnableFastWakeUp();
}
static void RtcSetConfig( void )
{
RTC_TimeTypeDef RTC_TimeStruct;
RTC_DateTypeDef RTC_DateStruct;
//RTC_AlarmTypeDef salarmstructure;
/* Enable Ultra low power mode */
HAL_PWREx_EnableUltraLowPower();
/* Enable the fast wake up from Ultra low power mode */
HAL_PWREx_EnableFastWakeUp();
/* Select HSI as system clock source after Wake Up from Stop mode */
__HAL_RCC_WAKEUPSTOP_CLK_CONFIG(RCC_StopWakeUpClock_HSI);
/*##-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.Instance = RTC;
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;
HAL_RTC_Init(&RTCHandle);
//Initiate data and time
RTC_TimeStruct.TimeFormat = RTC_HOURFORMAT12_AM;
RTC_TimeStruct.Hours = 0x00;
RTC_TimeStruct.Minutes = 0x00;
RTC_TimeStruct.Seconds = 0x00;
RTC_TimeStruct.DayLightSaving = RTC_DAYLIGHTSAVING_NONE ;
RTC_TimeStruct.StoreOperation = RTC_STOREOPERATION_RESET;
HAL_RTC_SetTime(&RTCHandle,&RTC_TimeStruct,FORMAT_BIN);
// RTC_TimeStructInit( &RTC_TimeStruct );
RTC_DateStruct.WeekDay = RTC_WEEKDAY_SATURDAY;
RTC_DateStruct.Date = 0x01;
RTC_DateStruct.Month = RTC_MONTH_JANUARY;
RTC_DateStruct.Year = 0x01;
HAL_RTC_SetDate(&RTCHandle,&RTC_DateStruct,FORMAT_BIN);
}
/**
* @brief System Power Configuration
* The system Power is configured as follow :
* + Regulator in LP mode
* + VREFINT OFF, with fast wakeup enabled
* + MSI as SysClk after Wake Up
* + No IWDG
* + Wakeup using EXTI Line (PA.12 (Arduino D2))
* @param None
* @retval None
*/
static void SystemPower_Config(void)
{
GPIO_InitTypeDef GPIO_InitStructure;
/* Enable Power Control clock */
__HAL_RCC_PWR_CLK_ENABLE();
/* Enable Ultra low power mode */
HAL_PWREx_EnableUltraLowPower();
/* Enable the fast wake up from Ultra low power mode */
HAL_PWREx_EnableFastWakeUp();
/* Select MSI as system clock source after Wake Up from Stop mode */
__HAL_RCC_WAKEUPSTOP_CLK_CONFIG (RCC_STOP_WAKEUPCLOCK_MSI);
/* Enable GPIOs clock */
__HAL_RCC_GPIOA_CLK_ENABLE();
__HAL_RCC_GPIOB_CLK_ENABLE();
__HAL_RCC_GPIOC_CLK_ENABLE();
__HAL_RCC_GPIOH_CLK_ENABLE();
/* Configure all GPIO port pins in Analog Input mode (floating input trigger OFF) */
/* Note: Debug using ST-Link is not possible during the execution of this */
/* example because communication between ST-link and the device */
/* under test is done through UART. All GPIO pins are disabled (set */
/* to analog input mode) including UART I/O pins. */
GPIO_InitStructure.Pin = GPIO_PIN_All;
GPIO_InitStructure.Mode = GPIO_MODE_ANALOG;
GPIO_InitStructure.Pull = GPIO_NOPULL;
HAL_GPIO_Init(GPIOA, &GPIO_InitStructure);
HAL_GPIO_Init(GPIOB, &GPIO_InitStructure);
HAL_GPIO_Init(GPIOC, &GPIO_InitStructure);
HAL_GPIO_Init(GPIOH, &GPIO_InitStructure);
/* Disable GPIOs clock */
__HAL_RCC_GPIOA_CLK_DISABLE();
__HAL_RCC_GPIOB_CLK_DISABLE();
__HAL_RCC_GPIOC_CLK_DISABLE();
__HAL_RCC_GPIOH_CLK_DISABLE();
}
void RtcEnterLowPowerStopMode( void )
{
if( ( LowPowerDisableDuringTask == false ) && ( RtcTimerEventAllowsLowPower == true ) )
{
BoardDeInitMcu( );
// Disable the Power Voltage Detector
HAL_PWR_DisablePVD( );
SET_BIT( PWR->CR, PWR_CR_CWUF );
// Enable Ultra low power mode
HAL_PWREx_EnableUltraLowPower( );
// Enable the fast wake up from Ultra low power mode
HAL_PWREx_EnableFastWakeUp( );
// Enter Stop Mode
HAL_PWR_EnterSTOPMode( PWR_LOWPOWERREGULATOR_ON, PWR_STOPENTRY_WFI );
}
}
int main(void)
{
/* USER CODE BEGIN 1 */
/* USER CODE END 1 */
/* MCU Configuration----------------------------------------------------------*/
/* Reset of all peripherals, Initializes the Flash interface and the Systick. */
HAL_Init();
/* USER CODE BEGIN Init */
/* USER CODE END Init */
/* Configure the system clock */
SystemClock_Config();
/* USER CODE BEGIN SysInit */
/* USER CODE END SysInit */
/* Initialize all configured peripherals */
MX_GPIO_Init();
MX_ADC_Init();
MX_I2C1_Init();
MX_RTC_Init();
MX_USART1_UART_Init();
MX_SPI2_Init();
/* Initialize interrupts */
MX_NVIC_Init();
/* USER CODE BEGIN 2 */
HAL_ADCEx_Calibration_Start(&hadc, ADC_SINGLE_ENDED);
/* Enable Ultra low power mode */
HAL_PWREx_EnableUltraLowPower();
__HAL_RCC_WAKEUPSTOP_CLK_CONFIG(RCC_STOP_WAKEUPCLOCK_HSI);
/* Buffer used for transmission on USART1 */
char tx1_buffer[120];
RFM95_init(&hspi2);
uint8_t payload_buff[14];
PAYLOAD_Garden payload_garden;
payload_garden.MessageType = 50;
payload_garden.MessageId = 0;
// Start in sensing mode.
state = MAIN_STATE_SENSE;
/* USER CODE END 2 */
/* Infinite loop */
/* USER CODE BEGIN WHILE */
while (1) {
/* USER CODE END WHILE */
/* USER CODE BEGIN 3 */
/* Do some work */
if (state == MAIN_STATE_SENSE) {
HAL_ADC_Start(&hadc);
// junk readings
payload_garden.Temperature = TEMPERATURE_external();
payload_garden.CpuTemperature = TEMPERATURE_cpu();
HAL_GPIO_WritePin(GPIOA, LED_Pin, GPIO_PIN_SET);
payload_garden.MessageId++;
payload_garden.VCC = BATTERY_vcc();
payload_garden.ChargeMv = BATTERY_ChargeMv();
payload_garden.ChargeMa = BATTERY_ChargeMa();
/* Get the light reading while the adc gets ready */
payload_garden.Light = LIGHT_lux();
payload_garden.Temperature = TEMPERATURE_external();
payload_garden.CpuTemperature = TEMPERATURE_cpu();
HAL_ADC_Stop(&hadc);
sprintf(tx1_buffer, "id:%d, vcc:%d, mv:%d, ma:%d, C:%d, cpuC:%d, lux:%d\n",
payload_garden.MessageId,
payload_garden.VCC,
payload_garden.ChargeMv,
payload_garden.ChargeMa,
payload_garden.Temperature,
payload_garden.CpuTemperature,
payload_garden.Light);
HAL_UART_Transmit(&huart1, (uint8_t*) tx1_buffer, strlen(tx1_buffer), 1000);
PAYLOAD_Garden_serialize(payload_garden, payload_buff);
RFM95_send(&hspi2, payload_buff, 14);
state = MAIN_STATE_TX;
}
/* Do nothing while the transmission is in progress */
else if (state == MAIN_STATE_TX) {
if (dio0_action == 1) {
RFM95_setMode(&hspi2, RFM95_MODE_SLEEP);
state = MAIN_STATE_SLEEP;
}
//TMP while interrupts are investigated
//HAL_Delay(30);
//state = MAIN_STATE_SLEEP;
}
/* Now that all the work is done, sleep until its time to do it all again */
else if (state == MAIN_STATE_SLEEP) {
HAL_GPIO_WritePin(GPIOA, LED_Pin, GPIO_PIN_RESET);
//TMP while RFM is diabled
//HAL_Delay(1000);
/* Turn off the pin interrupts */
HAL_NVIC_DisableIRQ(EXTI4_15_IRQn);
HAL_SuspendTick();
/* Enter Stop Mode */
HAL_RTCEx_SetWakeUpTimer_IT(&hrtc, 60,
RTC_WAKEUPCLOCK_CK_SPRE_16BITS);
HAL_PWR_EnterSTOPMode(PWR_LOWPOWERREGULATOR_ON, PWR_STOPENTRY_WFI);
HAL_RTCEx_DeactivateWakeUpTimer(&hrtc);
HAL_ResumeTick();
/* Turn on the pin interrupts */
HAL_NVIC_EnableIRQ(EXTI4_15_IRQn);
state = MAIN_STATE_SENSE;
}
}
/* USER CODE END 3 */
}
/**
* @brief System Power Configuration
* The system Power is configured as follow :
* + Regulator in LP mode
* + VREFINT OFF, with fast wakeup enabled
* + HSI as SysClk after Wake Up
* + No IWDG
* + Wakeup using EXTI Line (Key Button PC.13)
* @param None
* @retval None
*/
static void SystemPower_Config(void)
{
GPIO_InitTypeDef GPIO_InitStructure;
/* Enable Ultra low power mode */
HAL_PWREx_EnableUltraLowPower();
/* Enable the fast wake up from Ultra low power mode */
HAL_PWREx_EnableFastWakeUp();
/* Select HSI as system clock source after Wake Up from Stop mode */
__HAL_RCC_WAKEUPSTOP_CLK_CONFIG(RCC_StopWakeUpClock_HSI);
/* Enable GPIOs clock */
__GPIOA_CLK_ENABLE();
__GPIOB_CLK_ENABLE();
__GPIOC_CLK_ENABLE();
__GPIOD_CLK_ENABLE();
__GPIOH_CLK_ENABLE();
/* Configure GPIO Pins: PA0,PA1,PA2,PA3,PA4,PA5,PA8,PA9,PA11,PA12,PA13,\
PA14,PA15 in Analog Input mode (floating input trigger OFF) */
/* PA6: SDO, PA7: SDI, PA10 :SDn are not put in analog mode */
GPIO_InitStructure.Pin = GPIO_PIN_0 | GPIO_PIN_1 | GPIO_PIN_2 | GPIO_PIN_3 | \
GPIO_PIN_4 | GPIO_PIN_5 | GPIO_PIN_8 | GPIO_PIN_9 | GPIO_PIN_11 | \
GPIO_PIN_12 | GPIO_PIN_13 | GPIO_PIN_14 | GPIO_PIN_15;
GPIO_InitStructure.Mode = GPIO_MODE_ANALOG;
GPIO_InitStructure.Pull = GPIO_NOPULL;
HAL_GPIO_Init(GPIOA, &GPIO_InitStructure);
/* Configure GPIO Pins: PB0,PB1,PB2,PB4,PB5,PB7,PB8,PB9,PB10,PB11,PB12,PB13,\
PB14,PB15 in Analog Input mode (floating input trigger OFF) */
/*PB6: CSn, PB3: SCLK are not put in analog mode */
GPIO_InitStructure.Pin = GPIO_PIN_0 | GPIO_PIN_1 | GPIO_PIN_2 | GPIO_PIN_4 | \
GPIO_PIN_5 | GPIO_PIN_7 | GPIO_PIN_8 | GPIO_PIN_9 | GPIO_PIN_10 | \
GPIO_PIN_11 | GPIO_PIN_12 | GPIO_PIN_13 | GPIO_PIN_14 | GPIO_PIN_15;
GPIO_InitStructure.Mode = GPIO_MODE_ANALOG;
GPIO_InitStructure.Pull = GPIO_NOPULL;
HAL_GPIO_Init(GPIOB, &GPIO_InitStructure);
/* Configure GPIO Pins: PC0,PC1,PC2,PC3,PC4,PC5,PC6,PC8,PC9,PC10,PC11,PC12,\
PC13,PC14,PC15 in Analog Input mode (floating input trigger OFF) */
/*PC7: GPIO3, PC13: Push Button are not put in analog mode */
GPIO_InitStructure.Pin = GPIO_PIN_0 | GPIO_PIN_1 | GPIO_PIN_2 | GPIO_PIN_3 | \
GPIO_PIN_4 | GPIO_PIN_5 | GPIO_PIN_6 | GPIO_PIN_8 | GPIO_PIN_9 | \
GPIO_PIN_10 | GPIO_PIN_11 | GPIO_PIN_12 | GPIO_PIN_14 | GPIO_PIN_15;
GPIO_InitStructure.Mode = GPIO_MODE_ANALOG;
GPIO_InitStructure.Pull = GPIO_NOPULL;
HAL_GPIO_Init(GPIOC, &GPIO_InitStructure);
/* Configure all GPIO port pins in Analog Input mode (floating input trigger OFF) */
GPIO_InitStructure.Pin = GPIO_PIN_All;
GPIO_InitStructure.Mode = GPIO_MODE_ANALOG;
GPIO_InitStructure.Pull = GPIO_NOPULL;
HAL_GPIO_Init(GPIOD, &GPIO_InitStructure);
HAL_GPIO_Init(GPIOH, &GPIO_InitStructure);
/* Disable GPIOs clock */
__GPIOA_CLK_DISABLE();
__GPIOB_CLK_DISABLE();
__GPIOC_CLK_DISABLE();
__GPIOD_CLK_DISABLE();
__GPIOH_CLK_DISABLE();
}