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    Croma Nnon

    @Croma Nnon

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    Best posts made by Croma Nnon

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    Latest posts made by Croma Nnon

    • transmission and reception problems with stm32f103c8 and nrf24 library

      hello, i am developing my project in a stm32f103c8 (bluepill) with Keil and CubeMX, i want to use a nrf24l01 transmitter and for this i looked for a tutorial which is exactly what i want to do. the problem is that when i do it i notice that the radio transceiver does not transmit or receive, i have seen on the internet that some people have problems with this card that i am using, just me this is failing me using this library. I leave a link to a video that shows the same steps that I made in addition to the library. precisely the function nrf24_write is the one that is not working. I hope you can help me because I've been trying to understand why it does not work for several days.

      link video:

      STM32F4 Discovery board - Keil 5 IDE with CubeMX: Tutorial 24 - NRF24L01 Radio Transceiver – 26:55
      — Mutex Embedded

      link library:

      https://github.com/MYaqoobEmbedded/STM32-Tutorials/tree/master/Tutorial 24 - NRF24L01 Radio Transceiver

      main code:

      /* Includes ------------------------------------------------------------------*/
      #include "main.h"
       
      /* Private includes ----------------------------------------------------------*/
      /* USER CODE BEGIN Includes */
      #include "MY_NRF24.h"
      #include "stdio.h"
      /* USER CODE END Includes */
       
      /* Private typedef -----------------------------------------------------------*/
      /* USER CODE BEGIN PTD */
       
      /* USER CODE END PTD */
       
      /* Private define ------------------------------------------------------------*/
      /* USER CODE BEGIN PD */
      /* USER CODE END PD */
       
      /* Private macro -------------------------------------------------------------*/
      /* USER CODE BEGIN PM */
       
      /* USER CODE END PM */
       
      /* Private variables ---------------------------------------------------------*/
      SPI_HandleTypeDef hspi1;
       
      UART_HandleTypeDef huart1;
       
      /* USER CODE BEGIN PV */
       
      /* USER CODE END PV */
       
      /* Private function prototypes -----------------------------------------------*/
      void SystemClock_Config(void);
      static void MX_GPIO_Init(void);
      static void MX_SPI1_Init(void);
      static void MX_USART1_UART_Init(void);
      /* USER CODE BEGIN PFP */
       
      /* USER CODE END PFP */
       
      /* Private user code ---------------------------------------------------------*/
      /* USER CODE BEGIN 0 */
      uint64_t TxpipeAddrs = 0x324e6f6465;
      char myTxData[32]; //= "Hello World!";
      char AckPayload[32];
      /* USER CODE END 0 */
       
      /**
        * @brief  The application entry point.
        * @retval int
        */
      int main(void)
      {
        /* USER CODE BEGIN 1 */
      	myTxData[0]= 0;
        /* 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_SPI1_Init();
        MX_USART1_UART_Init();
        /* USER CODE BEGIN 2 */
      	NRF24_begin(GPIOB, GPIO_PIN_8, GPIO_PIN_9, hspi1);
      	nrf24_DebugUART_Init(huart1);
      	
      	
      	
      	//**** TRANSMIT - ACK ****//
      	
      	NRF24_setPALevel(RF_PWR_HIGH);
      	NRF24_openWritingPipe(TxpipeAddrs);
       
      	NRF24_setAutoAck(true);
      	NRF24_setChannel(52);
      	NRF24_setPayloadSize(32);
      	NRF24_setDataRate(RF24_2MBPS);
      	
      	NRF24_enableDynamicPayloads();
      	NRF24_enableAckPayload();
      	NRF24_stopListening();
      	HAL_Delay(1000);
      	printRadioSettings();
        /* USER CODE END 2 */
       
        /* Infinite loop */
        /* USER CODE BEGIN WHILE */
        while (1)
        {
          /* USER CODE END WHILE */
      		if(NRF24_write(myTxData, 32))
      		{
      			NRF24_read(AckPayload, 32);
      			HAL_UART_Transmit(&huart1, (uint8_t *)"Transmitted Successfully\r\n", strlen("Transmitted Successfully\r\n"), 10);
      			
      			char myDataack[80];
      			sprintf(myDataack, "AckPayload:  %s \r\n", AckPayload);
      			HAL_UART_Transmit(&huart1, (uint8_t *)myDataack, strlen(myDataack), 10);
      		}else{
      					HAL_UART_Transmit(&huart1, (uint8_t *)"Transmitted Failed\r\n", strlen("Transmitted Failed\r\n"), 10);}
      		myTxData[0]= myTxData[0] + 1;
      		HAL_Delay(1000);
          /* USER CODE BEGIN 3 */
        }
        /* USER CODE END 3 */
      }
      
      posted in Troubleshooting
      Croma Nnon
      Croma Nnon