[问答]

如何使用STM32HAL库来读取UID唯一码加密？

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问答对人有帮助，内容完整，我也想知道答案 0 如何使用STM32HAL库来读取UID唯一码加密？ 0
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答案对人有帮助，有参考价值 0 概述本篇文章介绍如何使用STM32HAL库，来读取 UID唯一码加密示例。硬件：STM32F103CBT6最小系统板软件：Keil 5.29 + STM32CubeMX6.01 一、使用方法请参考这篇博文《STM32HAL库-读取芯片维一码（UID）》，在此不做过多讲解。二、STM32CubeMx配置三、Examples 1、bsp_cpu_id.c文件 #include "bsp_cpu_id.h" #include "stdio.h" uint32_t CPU_ID[3]; uint8_t UID[12]; uint8_t MAC[12]; /** * 函数功能: 获取芯片ID * 输入参数: 无 * 返回值: 无 * 说明：每个芯片都有唯一的 96_bit unique ID / void Get_ChipID(void) { CPU_ID[0] = (__IO uint32_t )(0X1FFFF7F0); // 高字节 CPU_ID[1] = (__IO uint32_t )(0X1FFFF7EC); // CPU_ID[2] = (__IO uint32_t )(0X1FFFF7E8); // 低字节 } /* * 函数功能: 获取芯片ID * 输入参数: 无 * 返回值: 无 * 说明：每个芯片都有唯一的 96_bit unique ID / void Get_UID(void) { uint8_t i = 0; //用芯片唯一ID来做模块的MAC F0系列 0x1FFFF7AC F1系列 0x1FFFF7E8 for(i=0; i<8; i++) { MAC = (uint8_t )(0x1FFFF7E8 + i); UID = MAC; } UID[8] = (uint8_t )(0x1FFFF7E8 + 8); UID[9] = (uint8_t )(0x1FFFF7E8 + 9); UID[10] = (uint8_t )(0x1FFFF7E8 + 10); UID[11] = (uint8_t )(0x1FFFF7E8 + 11); MAC[4] += UID[8]; MAC[5] += UID[9]; MAC[6] += UID[10]; MAC[7] += UID[11]; / 芯片的唯一ID / printf("rn UID: %0.2X-%0.2X-%0.2X-%0.2Xrn",UID[8],UID[9],UID[10],UID[11]); printf("rn MAC: %X-%X-%X-%Xrn",MAC[4],MAC[5],MAC[6],MAC[7]); } /* * 函数功能: 获取芯片ID * 输入参数: 无 * 返回值: 无 * 说明：每个芯片都有唯一的 96_bit unique ID / void Get_UID2(void) { uint8_t i = 0; //用芯片唯一ID来做模块的MAC F0系列 0x1FFFF7AC F1系列 0x1FFFF7E8 for(i=0; i<12; i++) { MAC = (uint8_t )(0x1FFFF7E8 + i); printf(" %0.2X", MAC); } //芯片的唯一ID为: 30 FF 69 06 4D 50 35 35 39 25 08 43 if(MAC[0] == 0x30 && MAC[1] == 0xFF && MAC[2] == 0x69 && MAC[3] == 0x06 && MAC[4] == 0x4D && MAC[5] == 0x50 && MAC[6] == 0x35 && MAC[7] == 0x35 && MAC[8] == 0x39 && MAC[9] == 0x25 && MAC[10] == 0x08 && MAC[11] == 0x43 ) { printf("rn pass ok rn"); } else { printf("rn error rn"); } } uint32_t Get_key_vlaue(void) { uint32_t key_num,key_temp; uint32_t ID_COM_7BIT,date; uint16_t year = 2116; uint8_t month = 1, day = 7; Get_ChipID(); // CPU_ID[0]=0xABCDEF01; // CPU_ID[1]=0x12345678; // CPU_ID[2]=0xFEDCBA98; / 芯片的唯一ID / printf("rn芯片的唯一ID为: %08X-%08X-%08Xrn",CPU_ID[0],CPU_ID[1],CPU_ID[2]); ID_COM_7BIT=(0x0FF00000&CPU_ID[0]) + (0x000FF000&CPU_ID[1]) + (0x00000FFF&CPU_ID[2]); printf("ID_temp:0x%08X (十进制)%dn",ID_COM_7BIT,ID_COM_7BIT); date=year10000+month100+day; printf("year:%d month:%d day:%d -> date:%dn",year,month,day,date); if(ID_COM_7BIT>0x7FFFFFF) { key_num = ID_COM_7BIT-date; } else { key_num=ID_COM_7BIT+date; } key_temp=key_num&0x0000FFFF; key_num=(key_temp<<16)\|(key_num>>16); printf("key_num:0x%08X (十进制)%dn",key_num,key_num); printf("rn芯片flash的容量为: %dK rn", (__IO uint16_t )(0X1FFFF7E0)); return key_num; } void test(void) { Get_ChipID(); Get_UID(); Get_UID2(); / 芯片的容量 / printf("rn芯片flash的容量为: %dK rn", (__IO uint16_t )(0X1FFFF7E0)); } 2、bsp_cpu_id.h文件 #ifndef __CHIPID_H #define __CHIPID_H #include "stm32f1xx_hal.h" uint32_t Get_key_vlaue(void); void test(void); #endif / __CHIPID_H / 3、main.c文件 / USER CODE BEGIN Header / /* ****************************************************************************** * @file : main.c * @brief : Main program body ****************************************************************************** * @attention * * © Copyright (c) 2021 STMicroelectronics. * All rights reserved. * * This software component is licensed by ST under BSD 3-Clause license, * the "License"; You may not use this file except in compliance with the * License. You may obtain a copy of the License at: * opensource.org/licenses/BSD-3-Clause * ****************************************************************************** / / USER CODE END Header / / Includes ------------------------------------------------------------------/ #include "main.h" #include "usart.h" #include "gpio.h" / Private includes ----------------------------------------------------------/ / USER CODE BEGIN Includes / #include "stdio.h" #include "bsp_cpu_id.h" / USER CODE END Includes / / Private typedef -----------------------------------------------------------/ / USER CODE BEGIN PTD / #define SELECT 1 / 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 ---------------------------------------------------------/ / USER CODE BEGIN PV / void Get_ChipIDNUM(__IO uint32_t ID_num) { ID_num[0] = (__IO uint32_t )(0X1FFFF7F0); // 高字节 ID_num[1] = (__IO uint32_t )(0X1FFFF7EC); // ID_num[2] = (__IO uint32_t )(0X1FFFF7E8); // 低字节 } uint8_t KEY_to_DATE(__IO uint32_t key_num,__IO uint16_t pyear,__IO uint8_t pmonth,__IO uint8_t pday) { __IO uint32_t ID_temp,ID_num[3]; __IO uint32_t date; uint32_t key_temp=key_num&0x0000FFFF; key_num=(key_temp<<16)\|(key_num>>16); printf("key_num:%08Xn",key_num); Get_ChipIDNUM(ID_num); // ID_num[0]=0xABCDEF01; // ID_num[1]=0x12345678; // ID_num[2]=0xFEDCBA98; ID_temp=(0x0FF00000&ID_num[0]) + (0x000FF000&ID_num[1]) + (0x00000FFF&ID_num[2]); if(ID_temp>0x7FFFFFF) { date = ID_temp-key_num; } else { date = key_num-ID_temp; } pyear=date/10000; pmonth=date%10000/100; pday=date%100; if((pyear>2199)\|\|(pyear<2000)) return 1; // 日期获取失败 if(pmonth>12) return 1; // 日期获取失败 if(pday>31) return 1; // 日期获取失败 return 0; // 日期获取成功 } /* USER CODE END PV / / Private function prototypes -----------------------------------------------/ void SystemClock_Config(void); / USER CODE BEGIN PFP / / USER CODE END PFP / / Private user code ---------------------------------------------------------/ / USER CODE BEGIN 0 / #ifdef __GNUC__ / With GCC/RAISONANCE, small printf (option LD Linker->Libraries->Small printf set to 'Yes') calls __io_putchar() / #define PUTCHAR_PROTOTYPE int __io_putchar(int ch) #else #define PUTCHAR_PROTOTYPE int fputc(int ch, FILE f) #endif /* __GNUC__ / /* * @brief Retargets the C library printf function to the USART. * @param None * @retval None / PUTCHAR_PROTOTYPE { / Place your implementation of fputc here / / e.g. write a character to the EVAL_COM1 and Loop until the end of transmission / HAL_UART_Transmit(&huart1, (uint8_t )&ch, 1, 0xFFFF); return ch; } int fgetc(FILE * f) { uint8_t ch = 0; HAL_UART_Receive(&huart1, (uint8_t )&ch, 1, 0xffff); return ch; } / USER CODE END 0 / /* * @brief The application entry point. * @retval int / int main(void) { / USER CODE BEGIN 1 / __IO uint32_t key = 0; //0x3FDB0448; __IO uint16_t year; __IO uint8_t month,day; / 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_USART1_UART_Init(); / USER CODE BEGIN 2 / //把获取到的KEY，赋值到key解析结果是否正确 key = Get_key_vlaue(); printf("***********************rn"); printf("key:%08X->",key); KEY_to_DATE(key,&year,&month,&day); printf("year:%d month:%d day:%dn",year,month,day); / USER CODE END 2 / / Infinite loop / / USER CODE BEGIN WHILE / while (1) { HAL_Delay(1000); HAL_GPIO_TogglePin(LED_GPIO_Port, LED_Pin); / 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}; /* Initializes the RCC Oscillators according to the specified parameters * in the RCC_OscInitTypeDef structure. / RCC_OscInitStruct.OscillatorType = RCC_OSCILLATORTYPE_HSE; RCC_OscInitStruct.HSEState = RCC_HSE_ON; RCC_OscInitStruct.HSEPredivValue = RCC_HSE_PREDIV_DIV1; RCC_OscInitStruct.HSIState = RCC_HSI_ON; RCC_OscInitStruct.PLL.PLLState = RCC_PLL_ON; RCC_OscInitStruct.PLL.PLLSource = RCC_PLLSOURCE_HSE; RCC_OscInitStruct.PLL.PLLMUL = RCC_PLL_MUL9; 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_ClkInitStruct.SYSCLKSource = RCC_SYSCLKSOURCE_PLLCLK; RCC_ClkInitStruct.AHBCLKDivider = RCC_SYSCLK_DIV1; RCC_ClkInitStruct.APB1CLKDivider = RCC_HCLK_DIV2; RCC_ClkInitStruct.APB2CLKDivider = RCC_HCLK_DIV1; if (HAL_RCC_ClockConfig(&RCC_ClkInitStruct, FLASH_LATENCY_2) != HAL_OK) { Error_Handler(); } } / USER CODE BEGIN 4 / / USER CODE END 4 / /* * @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 / / 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, tex: printf("Wrong parameters value: file %s on line %drn", file, line) / / USER CODE END 6 / } #endif / USE_FULL_ASSERT / /********************* (C) COPYRIGHT STMicroelectronics *END OF FILE**/ 四、运行结果传送门->代码五、总结好了，就介绍到此。

2021-11-26 16:29:46 评论举报鲁瑶