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230
CubeKeil Example/Core/Src/main.c
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230
CubeKeil Example/Core/Src/main.c
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/* USER CODE BEGIN Header */
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/**
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******************************************************************************
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* @file : main.c
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* @brief : Main program body
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******************************************************************************
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* @attention
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*
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* Copyright (c) 2024 STMicroelectronics.
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* All rights reserved.
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*
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* This software is licensed under terms that can be found in the LICENSE file
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* in the root directory of this software component.
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* If no LICENSE file comes with this software, it is provided AS-IS.
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*
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******************************************************************************
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*/
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/* USER CODE END Header */
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/* Includes ------------------------------------------------------------------*/
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#include "main.h"
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#include "crc.h"
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#include "rng.h"
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#include "gpio.h"
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/* Private includes ----------------------------------------------------------*/
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/* USER CODE BEGIN Includes */
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#include "spi_flash.h"
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/* USER CODE END Includes */
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/* Private typedef -----------------------------------------------------------*/
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/* USER CODE BEGIN PTD */
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/* USER CODE END PTD */
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/* Private define ------------------------------------------------------------*/
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/* USER CODE BEGIN PD */
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/* USER CODE END PD */
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/* Private macro -------------------------------------------------------------*/
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/* USER CODE BEGIN PM */
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/* USER CODE END PM */
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/* Private variables ---------------------------------------------------------*/
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/* USER CODE BEGIN PV */
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/* USER CODE END PV */
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/* Private function prototypes -----------------------------------------------*/
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void SystemClock_Config(void);
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/* USER CODE BEGIN PFP */
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/* USER CODE END PFP */
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/* Private user code ---------------------------------------------------------*/
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/* USER CODE BEGIN 0 */
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W25_HandleTypeDef hw25;
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HAL_StatusTypeDef W25_RES;
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W25_reProgramInitTypeDef writeInit;
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uint8_t read_buff[20] = {0};
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uint8_t write_buff[20] = {0x14,0x13,0x12,0x11,0x10,
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0x0F,0x0E,0x0D,0x0C,0x0B,
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0x0A,0x09,0x08,0x07,0x06,
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0x05,0x04,0x03,0x02,0x01};
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/* USER CODE END 0 */
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/**
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* @brief The application entry point.
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* @retval int
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*/
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int main(void)
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{
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/* USER CODE BEGIN 1 */
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/* USER CODE END 1 */
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/* MCU Configuration--------------------------------------------------------*/
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/* Reset of all peripherals, Initializes the Flash interface and the Systick. */
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HAL_Init();
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/* USER CODE BEGIN Init */
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/* USER CODE END Init */
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/* Configure the system clock */
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SystemClock_Config();
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/* USER CODE BEGIN SysInit */
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/* USER CODE END SysInit */
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/* Initialize all configured peripherals */
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MX_GPIO_Init();
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MX_CRC_Init();
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MX_RNG_Init();
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/* USER CODE BEGIN 2 */
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// FLASH W25 INIT
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hw25.hspi.Instance = SPI2;
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hw25.hspi.Init.BaudRatePrescaler = SPI_BAUDRATEPRESCALER_128;
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hw25.GPIOs.CS_GPIOx = GPIOA;
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hw25.GPIOs.CLK_GPIOx = GPIOB;
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hw25.GPIOs.MISO_GPIOx = GPIOC;
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hw25.GPIOs.MOSI_GPIOx = GPIOC;
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hw25.GPIOs.CS_PIN = GPIO_PIN_4;
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hw25.GPIOs.CLK_PIN = GPIO_PIN_13;
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hw25.GPIOs.MISO_PIN = GPIO_PIN_2;
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hw25.GPIOs.MOSI_PIN = GPIO_PIN_3;
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W25_Base_Init(&hw25);
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/* USER CODE END 2 */
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/* Infinite loop */
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/* USER CODE BEGIN WHILE */
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// Example for using manufactire info CMD
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uint32_t w25_ID = W25_CMD_Read_JEDEC_ID(&hw25);
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uint64_t w25_unique_ID = W25_CMD_Read_Device_ID(&hw25);
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// Example for erase/program/read functions
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W25_RES = W25_FLASH_Erase_Sector(&hw25, 0, 1000);
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W25_RES = W25_FLASH_Program_Area(&hw25, 0xf9, write_buff, 15, 100);
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W25_CMD_Read_Data(&hw25, 0xf9, read_buff, 15);
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// Example for write area functions
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writeInit.pDataPtr = write_buff;
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writeInit.Data_Address = 0xfb;
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writeInit.Data_Size = 1;
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writeInit.Sector_Address = 0xf9;
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writeInit.Sector_Size = 15;
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while (1)
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{
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W25_FLASH_Write_Area(&hw25, &writeInit, 1000);
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HAL_Delay(10);
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W25_CMD_Read_Data(&hw25, 0xf9, read_buff, 15);
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/* USER CODE END WHILE */
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/* USER CODE BEGIN 3 */
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write_buff[2]++;
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write_buff[5]--;
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uint32_t generated_rng;
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HAL_RNG_GenerateRandomNumber(&hrng, &generated_rng);
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write_buff[7] = generated_rng&0xFF;
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}
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/* USER CODE END 3 */
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}
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/**
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* @brief System Clock Configuration
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* @retval None
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*/
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void SystemClock_Config(void)
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{
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RCC_OscInitTypeDef RCC_OscInitStruct = {0};
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RCC_ClkInitTypeDef RCC_ClkInitStruct = {0};
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/** Configure the main internal regulator output voltage
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*/
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__HAL_RCC_PWR_CLK_ENABLE();
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__HAL_PWR_VOLTAGESCALING_CONFIG(PWR_REGULATOR_VOLTAGE_SCALE1);
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/** Initializes the RCC Oscillators according to the specified parameters
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* in the RCC_OscInitTypeDef structure.
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*/
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RCC_OscInitStruct.OscillatorType = RCC_OSCILLATORTYPE_HSI;
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RCC_OscInitStruct.HSIState = RCC_HSI_ON;
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RCC_OscInitStruct.HSICalibrationValue = RCC_HSICALIBRATION_DEFAULT;
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RCC_OscInitStruct.PLL.PLLState = RCC_PLL_ON;
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RCC_OscInitStruct.PLL.PLLSource = RCC_PLLSOURCE_HSI;
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RCC_OscInitStruct.PLL.PLLM = 8;
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RCC_OscInitStruct.PLL.PLLN = 64;
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RCC_OscInitStruct.PLL.PLLP = RCC_PLLP_DIV2;
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RCC_OscInitStruct.PLL.PLLQ = 7;
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if (HAL_RCC_OscConfig(&RCC_OscInitStruct) != HAL_OK)
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{
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Error_Handler();
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}
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/** Initializes the CPU, AHB and APB buses clocks
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*/
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RCC_ClkInitStruct.ClockType = RCC_CLOCKTYPE_HCLK|RCC_CLOCKTYPE_SYSCLK
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|RCC_CLOCKTYPE_PCLK1|RCC_CLOCKTYPE_PCLK2;
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RCC_ClkInitStruct.SYSCLKSource = RCC_SYSCLKSOURCE_PLLCLK;
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RCC_ClkInitStruct.AHBCLKDivider = RCC_SYSCLK_DIV8;
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RCC_ClkInitStruct.APB1CLKDivider = RCC_HCLK_DIV1;
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RCC_ClkInitStruct.APB2CLKDivider = RCC_HCLK_DIV1;
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if (HAL_RCC_ClockConfig(&RCC_ClkInitStruct, FLASH_LATENCY_0) != HAL_OK)
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{
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Error_Handler();
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}
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}
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/* USER CODE BEGIN 4 */
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/* USER CODE END 4 */
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/**
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* @brief This function is executed in case of error occurrence.
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* @retval None
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*/
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void Error_Handler(void)
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{
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/* USER CODE BEGIN Error_Handler_Debug */
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/* User can add his own implementation to report the HAL error return state */
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__disable_irq();
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while (1)
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{
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}
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/* USER CODE END Error_Handler_Debug */
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}
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#ifdef USE_FULL_ASSERT
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/**
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* @brief Reports the name of the source file and the source line number
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* where the assert_param error has occurred.
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* @param file: pointer to the source file name
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* @param line: assert_param error line source number
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* @retval None
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*/
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void assert_failed(uint8_t *file, uint32_t line)
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{
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/* USER CODE BEGIN 6 */
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/* User can add his own implementation to report the file name and line number,
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ex: printf("Wrong parameters value: file %s on line %d\r\n", file, line) */
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/* USER CODE END 6 */
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}
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#endif /* USE_FULL_ASSERT */
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