STM32F767 QSPI W25Q256 四线读写 Quad SPI Lines模式 32位地址模式中断模式

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已于 2022-12-01 21:45:29 修改 · 521 阅读

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#stm32 #单片机 #c语言

于 2021-11-17 16:51:20 首次发布

/* Private variables ---------------------------------------------------------*/

QSPI_HandleTypeDef hqspi;

/* USER CODE BEGIN PV */


/* USER CODE END PV */

/* Private function prototypes -----------------------------------------------*/
void SystemClock_Config(void);
static void MX_GPIO_Init(void);
static void MX_QUADSPI_Init(void);
/* USER CODE BEGIN PFP */

/* USER CODE END PFP */

/* Private user code ---------------------------------------------------------*/
/* USER CODE BEGIN 0 */

#define DATA_SIZE 10000
#define DATA_ADDR 400

uint8_t flag_tx_done;
uint8_t flag_rx_done;
uint8_t flag_cmd_done;

/* USER CODE END 0 */

/**
  * @brief  The application entry point.
  * @retval int
  */
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_QUADSPI_Init();
  /* USER CODE BEGIN 2 */
	
	//HAL_GPIO_WritePin(GPIOF, GPIO_PIN_6|GPIO_PIN_7, GPIO_PIN_SET);
	
	delay_init(216);
	delay_ms(500);
	
	
	uint8_t stareg2;
	stareg2=W25QXX_ReadSR(&hqspi, 2);		//
	if((stareg2&0X02)==0)			//
	{
		stareg2|=1<<1;				//
		W25QXX_Write_SR(&hqspi, 2,stareg2);	//设置QE丿1
	}
	
	uint8_t stareg3;
	stareg3=W25QXX_ReadSR(&hqspi, 3);      //读取状濁寄存器3，判断地坿模式
	if((stareg3&0X01)==0)			//如果不是4字节地址模式,则进兿4字节地址模式
	{ 
		W25qxx_Cmd(&hqspi, W25X_WriteEnable, QSPI_INSTRUCTION_1_LINE);
		W25qxx_Cmd(&hqspi, W25X_Enable4ByteAddr, QSPI_INSTRUCTION_1_LINE);
	}
	
	static uint16_t W25qxx_Id;
	W25qxx_Id = W25qxx_Read_Id(&hqspi);
	
	W25qxx_Erase_Sector(&hqspi, 0);
	
	static uint8_t pData_wr[DATA_SIZE] = {22,33,44};
	uint32_t i;
	for(i = 0; i < DATA_SIZE; i++)
	{
		pData_wr[i] = i;
	}
	W25QXX_Write(&hqspi, pData_wr, DATA_ADDR, DATA_SIZE);
	
	static uint8_t pData_rd[DATA_SIZE];
	W25qxx_Read_Data(&hqspi, DATA_ADDR, (uint8_t*)pData_rd, DATA_SIZE);
	
	
	for(i = 0; i < DATA_SIZE; i++)
	{
		if((pData_wr[i] & 0xff) != (pData_rd[i] & 0xff)) break;
	}
	if(i < DATA_SIZE)
	{
		HAL_GPIO_WritePin(GPIOB, GPIO_PIN_1, GPIO_PIN_RESET);
	}
	else
	{
		HAL_GPIO_WritePin(GPIOB, GPIO_PIN_1, GPIO_PIN_SET);
	}
	
  /* 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 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 = 2;
  hqspi.Init.FifoThreshold = 4;
  hqspi.Init.SampleShifting = QSPI_SAMPLE_SHIFTING_HALFCYCLE;
  hqspi.Init.FlashSize = 24;
  hqspi.Init.ChipSelectHighTime = QSPI_CS_HIGH_TIME_5_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)
{
  GPIO_In