/* USER CODE BEGIN Header */ /** ****************************************************************************** * @file : main.c * @brief : Main program body ****************************************************************************** * @attention * * Copyright (c) 2024 STMicroelectronics. * All rights reserved. * * This software is licensed under terms that can be found in the LICENSE file * in the root directory of this software component. * If no LICENSE file comes with this software, it is provided AS-IS. * ****************************************************************************** */ /* USER CODE END Header */ /* Includes ------------------------------------------------------------------*/ #include "main.h" /* Private includes ----------------------------------------------------------*/ /* USER CODE BEGIN Includes */ /* USER CODE END Includes */ /* Private typedef -----------------------------------------------------------*/ /* USER CODE BEGIN PTD */ /* USER CODE END PTD */ /* Private define ------------------------------------------------------------*/ /* USER CODE BEGIN PD */ #ifndef HSEM_ID_0 #define HSEM_ID_0 (0U) /* HW semaphore 0*/ #endif /* USER CODE END PD */ /* Private macro -------------------------------------------------------------*/ /* USER CODE BEGIN PM */ /* USER CODE END PM */ /* Private variables ---------------------------------------------------------*/ QSPI_HandleTypeDef hqspi; /* USER CODE BEGIN PV */ /* USER CODE END PV */ /* Private function prototypes -----------------------------------------------*/ void SystemClock_Config(void); static void MPU_Config(void); static void MX_GPIO_Init(void); static void MX_QUADSPI_Init(void); /* USER CODE BEGIN PFP */ void QSPI_LoopbackTransmit(void); void QSPI_LoopbackReceive(uint8_t *receivedData); uint8_t sentData[4] = {0xDE, 0xAD, 0xBE, 0xEF}; // Data to send uint8_t receivedData[4]; // Buffer for received data void QSPI_LoopbackTransmit(void) { QSPI_CommandTypeDef sCommand; //uint8_t sentData[4] = {0xDE, 0xAD, 0xBE, 0xEF}; // Data to send // Configure the write command sCommand.Instruction = 0x02; // Dummy write instruction sCommand.AddressMode = QSPI_ADDRESS_NONE; sCommand.AlternateByteMode = QSPI_ALTERNATE_BYTES_NONE; sCommand.DataMode = QSPI_DATA_4_LINES; // Use Quad-SPI mode sCommand.DummyCycles = 0; sCommand.NbData = sizeof(sentData); // Number of bytes to send // Send the command to configure for write if (HAL_QSPI_Command(&hqspi, &sCommand, HAL_QPSI_TIMEOUT_DEFAULT_VALUE) != HAL_OK) { Error_Handler(); // Handle error if command fails } // Transmit the test data if (HAL_QSPI_Transmit(&hqspi, sentData, HAL_QPSI_TIMEOUT_DEFAULT_VALUE) != HAL_OK) { Error_Handler(); // Handle error if transmission fails } } void QSPI_LoopbackReceive(uint8_t *receivedData) { QSPI_CommandTypeDef sCommand; // Configure the read command sCommand.Instruction = 0x03; // Dummy read instruction sCommand.AddressMode = QSPI_ADDRESS_NONE; sCommand.AlternateByteMode = QSPI_ALTERNATE_BYTES_NONE; sCommand.DataMode = QSPI_DATA_4_LINES; // Use Quad-SPI mode sCommand.DummyCycles = 0; sCommand.NbData = 4; // Number of bytes to receive (same as sent) // Send the command to configure for read if (HAL_QSPI_Command(&hqspi, &sCommand, HAL_QPSI_TIMEOUT_DEFAULT_VALUE) != HAL_OK) { Error_Handler(); // Handle error if command fails } // Receive the data if (HAL_QSPI_Receive(&hqspi, receivedData, HAL_QPSI_TIMEOUT_DEFAULT_VALUE) != HAL_OK) { Error_Handler(); // Handle error if reception fails } } /* USER CODE END PFP */ /* Private user code ---------------------------------------------------------*/ /* USER CODE BEGIN 0 */ /* USER CODE END 0 */ /** * @brief The application entry point. * @retval int */ int main(void) { /* USER CODE BEGIN 1 */ /* USER CODE END 1 */ /* USER CODE BEGIN Boot_Mode_Sequence_0 */ int32_t timeout; /* USER CODE END Boot_Mode_Sequence_0 */ /* MPU Configuration--------------------------------------------------------*/ MPU_Config(); /* USER CODE BEGIN Boot_Mode_Sequence_1 */ /* Wait until CPU2 boots and enters in stop mode or timeout*/ timeout = 0xFFFF; while((__HAL_RCC_GET_FLAG(RCC_FLAG_D2CKRDY) != RESET) && (timeout-- > 0)); if ( timeout < 0 ) { Error_Handler(); } /* USER CODE END Boot_Mode_Sequence_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 Boot_Mode_Sequence_2 */ /* When system initialization is finished, Cortex-M7 will release Cortex-M4 by means of HSEM notification */ /*HW semaphore Clock enable*/ __HAL_RCC_HSEM_CLK_ENABLE(); /*Take HSEM */ HAL_HSEM_FastTake(HSEM_ID_0); /*Release HSEM in order to notify the CPU2(CM4)*/ HAL_HSEM_Release(HSEM_ID_0,0); /* wait until CPU2 wakes up from stop mode */ timeout = 0xFFFF; while((__HAL_RCC_GET_FLAG(RCC_FLAG_D2CKRDY) == RESET) && (timeout-- > 0)); if ( timeout < 0 ) { Error_Handler(); } /* USER CODE END Boot_Mode_Sequence_2 */ /* USER CODE BEGIN SysInit */ /* USER CODE END SysInit */ /* Initialize all configured peripherals */ MX_GPIO_Init(); MX_QUADSPI_Init(); /* USER CODE BEGIN 2 */ // Step 1: Transmit data QSPI_LoopbackTransmit(); // Step 2: Receive data QSPI_LoopbackReceive(receivedData); /* USER CODE END 2 */ /* Infinite loop */ /* USER CODE BEGIN WHILE */ while (1) { /* USER CODE END WHILE */ /* USER CODE BEGIN 3 */ } /* USER CODE END 3 */ } /** * @brief System Clock Configuration * @retval None */ void SystemClock_Config(void) { RCC_OscInitTypeDef RCC_OscInitStruct = {0}; RCC_ClkInitTypeDef RCC_ClkInitStruct = {0}; /** Supply configuration update enable */ HAL_PWREx_ConfigSupply(PWR_DIRECT_SMPS_SUPPLY); /** Configure the main internal regulator output voltage */ __HAL_PWR_VOLTAGESCALING_CONFIG(PWR_REGULATOR_VOLTAGE_SCALE3); while(!__HAL_PWR_GET_FLAG(PWR_FLAG_VOSRDY)) {} /** Initializes the RCC Oscillators according to the specified parameters * in the RCC_OscInitTypeDef structure. */ RCC_OscInitStruct.OscillatorType = RCC_OSCILLATORTYPE_HSI; RCC_OscInitStruct.HSIState = RCC_HSI_DIV1; RCC_OscInitStruct.HSICalibrationValue = RCC_HSICALIBRATION_DEFAULT; RCC_OscInitStruct.PLL.PLLState = RCC_PLL_NONE; if (HAL_RCC_OscConfig(&RCC_OscInitStruct) != HAL_OK) { Error_Handler(); } /** Initializes the CPU, AHB and APB buses clocks */ RCC_ClkInitStruct.ClockType = RCC_CLOCKTYPE_HCLK|RCC_CLOCKTYPE_SYSCLK |RCC_CLOCKTYPE_PCLK1|RCC_CLOCKTYPE_PCLK2 |RCC_CLOCKTYPE_D3PCLK1|RCC_CLOCKTYPE_D1PCLK1; RCC_ClkInitStruct.SYSCLKSource = RCC_SYSCLKSOURCE_HSI; RCC_ClkInitStruct.SYSCLKDivider = RCC_SYSCLK_DIV1; RCC_ClkInitStruct.AHBCLKDivider = RCC_HCLK_DIV1; RCC_ClkInitStruct.APB3CLKDivider = RCC_APB3_DIV1; RCC_ClkInitStruct.APB1CLKDivider = RCC_APB1_DIV1; RCC_ClkInitStruct.APB2CLKDivider = RCC_APB2_DIV1; RCC_ClkInitStruct.APB4CLKDivider = RCC_APB4_DIV1; if (HAL_RCC_ClockConfig(&RCC_ClkInitStruct, FLASH_LATENCY_1) != HAL_OK) { Error_Handler(); } } /** * @brief QUADSPI Initialization Function * @param None * @retval None */ static void MX_QUADSPI_Init(void) { /* USER CODE BEGIN QUADSPI_Init 0 */ /* USER CODE END QUADSPI_Init 0 */ /* USER CODE BEGIN QUADSPI_Init 1 */ /* USER CODE END QUADSPI_Init 1 */ /* QUADSPI parameter configuration*/ hqspi.Instance = QUADSPI; hqspi.Init.ClockPrescaler = 255; hqspi.Init.FifoThreshold = 1; hqspi.Init.SampleShifting = QSPI_SAMPLE_SHIFTING_NONE; hqspi.Init.FlashSize = 1; hqspi.Init.ChipSelectHighTime = QSPI_CS_HIGH_TIME_1_CYCLE; hqspi.Init.ClockMode = QSPI_CLOCK_MODE_0; hqspi.Init.FlashID = QSPI_FLASH_ID_1; hqspi.Init.DualFlash = QSPI_DUALFLASH_DISABLE; if (HAL_QSPI_Init(&hqspi) != HAL_OK) { Error_Handler(); } /* USER CODE BEGIN QUADSPI_Init 2 */ /* USER CODE END QUADSPI_Init 2 */ } /** * @brief GPIO Initialization Function * @param None * @retval None */ static void MX_GPIO_Init(void) { /* USER CODE BEGIN MX_GPIO_Init_1 */ /* USER CODE END MX_GPIO_Init_1 */ /* GPIO Ports Clock Enable */ __HAL_RCC_GPIOE_CLK_ENABLE(); __HAL_RCC_GPIOF_CLK_ENABLE(); __HAL_RCC_GPIOB_CLK_ENABLE(); /* USER CODE BEGIN MX_GPIO_Init_2 */ /* USER CODE END MX_GPIO_Init_2 */ } /* USER CODE BEGIN 4 */ /* USER CODE END 4 */ /* MPU Configuration */ void MPU_Config(void) { MPU_Region_InitTypeDef MPU_InitStruct = {0}; /* Disables the MPU */ HAL_MPU_Disable(); /** Initializes and configures the Region and the memory to be protected */ MPU_InitStruct.Enable = MPU_REGION_ENABLE; MPU_InitStruct.Number = MPU_REGION_NUMBER0; MPU_InitStruct.BaseAddress = 0x0; MPU_InitStruct.Size = MPU_REGION_SIZE_4GB; MPU_InitStruct.SubRegionDisable = 0x87; MPU_InitStruct.TypeExtField = MPU_TEX_LEVEL0; MPU_InitStruct.AccessPermission = MPU_REGION_NO_ACCESS; MPU_InitStruct.DisableExec = MPU_INSTRUCTION_ACCESS_DISABLE; MPU_InitStruct.IsShareable = MPU_ACCESS_SHAREABLE; MPU_InitStruct.IsCacheable = MPU_ACCESS_NOT_CACHEABLE; MPU_InitStruct.IsBufferable = MPU_ACCESS_NOT_BUFFERABLE; HAL_MPU_ConfigRegion(&MPU_InitStruct); /* Enables the MPU */ HAL_MPU_Enable(MPU_PRIVILEGED_DEFAULT); } /** * @brief This function is executed in case of error occurrence. * @retval None */ void Error_Handler(void) { /* USER CODE BEGIN Error_Handler_Debug */ /* User can add his own implementation to report the HAL error return state */ __disable_irq(); while (1) { } /* USER CODE END Error_Handler_Debug */ } #ifdef USE_FULL_ASSERT /** * @brief Reports the name of the source file and the source line number * where the assert_param error has occurred. * @param file: pointer to the source file name * @param line: assert_param error line source number * @retval None */ void assert_failed(uint8_t *file, uint32_t line) { /* USER CODE BEGIN 6 */ /* User can add his own implementation to report the file name and line number, ex: printf("Wrong parameters value: file %s on line %d\r\n", file, line) */ /* USER CODE END 6 */ } #endif /* USE_FULL_ASSERT */