Я отправляю некоторую информацию с помощью LoRaWAN на STM32WB и после этого перехожу в режим ожидания. Проблема в том, что после моего ожидания выполняется новое соединение. Я слышал, что мое соединение можно сохранить в памяти с помощью функций MIB, но мне не удается использовать их должным образом, и я продолжаю выполнять соединение, не делайте соединения вообще ... Кто-нибудь знает, как их использовать, или хороший учебник где-нибудь? (На данный момент я ничего не нашел)
Вот что я пытаюсь на самом деле:
uint32_t last_time = 0;
int main(void)
{
/* USER CODE BEGIN 1 */
data_t data;
LoraFlagStatus join_status = LORA_RESET;
/* 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_DMA_Init();
MX_ADC1_Init();
MX_I2C1_Init();
MX_LPTIM1_Init();
MX_LPUART1_UART_Init();
MX_RF_Init();
HW_RTC_Init();
MX_SPI1_Init();
MX_I2C3_Init();
MX_SPI2_Init();
/* USER CODE BEGIN 2 */
/* Reduce the System clock to below 2 MHz */
SystemClock_Decrease();
/* Set regulator voltage to scale 2 */
HAL_PWREx_ControlVoltageScaling(PWR_REGULATOR_VOLTAGE_SCALE2);
HAL_PWREx_EnableLowPowerRunMode();
float iaq;
/* USER CODE END 2 */
/* Infinite loop */
/* USER CODE BEGIN WHILE */
MibRequestConfirm_t mibReq;
mibReq.Type = MIB_NETWORK_ACTIVATION;
LoRaMacMibGetRequestConfirm( &mibReq );
if( mibReq.Param.NetworkActivation == ACTIVATION_TYPE_NONE )
{
lora_init();
join_status = lora_join();
}
while (1)
{
//sensor code and lora send
lora_update(); /* Must be called for the LoRa stack to work */
pres = false;
/* Enable and set RTC_WKUP_IRQ */
HAL_NVIC_SetPriority(RTC_WKUP_IRQn, 2, 0);
HAL_NVIC_EnableIRQ(RTC_WKUP_IRQn);
/* Check if the system was resumed from StandBy mode */
/* Note: On STM32WB, both CPU1 and CPU2 must be in standby mode to set the entire system in standby mode */
if( (__HAL_PWR_GET_FLAG(PWR_FLAG_SB) != RESET)
&& (__HAL_PWR_GET_FLAG(PWR_FLAG_C2SB) != RESET)
)
{
/* Clear Standby flag */
__HAL_PWR_CLEAR_FLAG(PWR_FLAG_SB);
__HAL_PWR_CLEAR_FLAG(PWR_FLAG_C2SB);
}
/* Insert 5 seconds delay */
HAL_Delay(5000);
/* Disable all used wakeup sources*/
HAL_RTCEx_DeactivateWakeUpTimer(&RtcHandle);
/* Clear all related wakeup flags */
__HAL_PWR_CLEAR_FLAG(PWR_FLAG_WU);
/* Re-enable wakeup source */
/* ## Setting the Wake up time ############################################*/
HAL_RTCEx_SetWakeUpTimer_IT(&RtcHandle, 60, RTC_WAKEUPCLOCK_CK_SPRE_16BITS);;
/* Specific procedure on STM32WB, in case of initial power-up and RF stack no started */
if( (LL_PWR_IsActiveFlag_C1SB() == 0)
|| (LL_PWR_IsActiveFlag_C2SB() == 0)
)
{
/* Set the lowest low-power mode for CPU2: shutdown mode */
LL_C2_PWR_SetPowerMode(LL_PWR_MODE_SHUTDOWN);
}
/* Enter the Standby mode */
HAL_PWR_EnterSTANDBYMode();
/* USER CODE END WHILE */
/* USER CODE BEGIN 3 */
}
/* USER CODE END 3 */
}
/* USER CODE BEGIN 4 */
/**
* @brief System Clock Speed decrease
* The system Clock source is shifted from HSI to MSI
* while at the same time, MSI range is set to RCC_MSIRANGE_5
* to go down to 2MHz
* @param None
* @retval None
*/
void SystemClock_Decrease(void)
{
RCC_ClkInitTypeDef RCC_ClkInitStruct = {0};
RCC_OscInitTypeDef RCC_OscInitStruct = {0};
/* Select MSI as system clock source */
/* Note: Keep AHB and APB prescaler settings from previous structure initialization */
RCC_ClkInitStruct.ClockType = RCC_CLOCKTYPE_SYSCLK;
RCC_ClkInitStruct.SYSCLKSource = RCC_SYSCLKSOURCE_MSI;
if(HAL_RCC_ClockConfig(&RCC_ClkInitStruct, FLASH_LATENCY_0) != HAL_OK)
{
/* Initialization Error */
Error_Handler();
}
/* Disable PLL to reduce power consumption since MSI is used from that point */
/* Change MSI frequency */
RCC_OscInitStruct.OscillatorType = RCC_OSCILLATORTYPE_MSI;
RCC_OscInitStruct.MSIState = RCC_MSI_ON;
RCC_OscInitStruct.MSIClockRange = RCC_MSIRANGE_5;
RCC_OscInitStruct.PLL.PLLState = RCC_PLL_OFF;
if(HAL_RCC_OscConfig(&RCC_OscInitStruct) != HAL_OK)
{
/* Initialization Error */
Error_Handler();
}
}
/* USER CODE END 4 */