UID的用法，M031 APROM程序绑定UID

只看该作者 · 2024-1-29 19:21

EC_M031_APROM_Bind_UID_V1.00 (1).zip (1.46 MB)

/**************************************************************************//**

 * [url=home.php?mod=space&uid=288409]@file[/url]     main.c

 * [url=home.php?mod=space&uid=895143]@version[/url]  V3.00

 * [url=home.php?mod=space&uid=247401]@brief[/url]    APROM bind UID sample code.

 *

 * SPDX-License-Identifier: Apache-2.0

 * [url=home.php?mod=space&uid=17282]@CopyRight[/url] (C) 2021 Nuvoton Technology Corp. All rights reserved.

 ******************************************************************************/

#include "stdio.h"

#include "NuMicro.h"

#include "uid.h"





/*----------------------------------------------------------------------*/

/* System Init                                                          */

/*----------------------------------------------------------------------*/

void SYS_Init(void)

{

    /* Unlock protected registers */

    SYS_UnlockReg();



    /* Enable HIRC */

    CLK_EnableXtalRC(CLK_PWRCTL_HIRCEN_Msk);



    /* Waiting for HIRC clock ready */

    CLK_WaitClockReady(CLK_STATUS_HIRCSTB_Msk);



    /* Switch HCLK clock source to HIRC */

    CLK_SetHCLK(CLK_CLKSEL0_HCLKSEL_HIRC, CLK_CLKDIV0_HCLK(1));



    /* Set both PCLK0 and PCLK1 as HCLK/2 */

    CLK->PCLKDIV = (CLK_PCLKDIV_APB0DIV_DIV2 | CLK_PCLKDIV_APB1DIV_DIV2);



    /* Switch UART0 clock source to HIRC */

    CLK_SetModuleClock(UART0_MODULE, CLK_CLKSEL1_UART0SEL_HIRC, CLK_CLKDIV0_UART0(1));



    /* Enable UART peripheral clock */

    CLK_EnableModuleClock(UART0_MODULE);



    /* Update System Core Clock */

    /* User can use SystemCoreClockUpdate() to calculate PllClock, SystemCoreClock and CycylesPerUs automatically. */

    SystemCoreClockUpdate();



    /*----------------------------------------------------------------------*/

    /* Init I/O Multi-function                                              */

    /*----------------------------------------------------------------------*/

    /* Set GPB multi-function pins for UART0 RXD and TXD */

    SYS->GPB_MFPH = (SYS->GPB_MFPH & ~(SYS_GPB_MFPH_PB12MFP_Msk | SYS_GPB_MFPH_PB13MFP_Msk)) |

                    (SYS_GPB_MFPH_PB12MFP_UART0_RXD | SYS_GPB_MFPH_PB13MFP_UART0_TXD);



    /* Lock protected registers */

    SYS_LockReg();

}





/*----------------------------------------------------------------------*/

/* Init UART0                                                           */

/*----------------------------------------------------------------------*/

void UART0_Init(void)

{

    /* Reset UART0 */

    SYS_ResetModule(UART0_RST);



    /* Configure UART0 and set UART0 baud rate */

    UART_Open(UART0, 115200);

}





int32_t main(void)

{

    /* Init System, IP clock and multi-function I/O. */

    SYS_Init();



    /* Init UART0 for printf */

    UART0_Init();



    printf("\n\nCPU [url=home.php?mod=space&uid=72445]@[/url] %dHz\n", SystemCoreClock);



    printf("+-------------------------------------------------+\n");

    printf("|    APROM Bind UID Sample Code                   |\n");

    printf("+-------------------------------------------------+\n");



    /* Unlock protected registers */

    SYS_UnlockReg();



    /* Check password according to the UID */

    if(UID_PasswordCheck() == 1)

    {

        printf("Password Right ! \n");

    }

    else

    {

        printf("Password Error ! \n");

    }



    /* Lock protected registers */

    SYS_LockReg();

    while(1);

}

只看该作者 · 2024-1-29 19:22

复制

/**************************************************************************//**

 * @file     uid.c

 * @brief

 *           APROM bind UID source file

 *

 * @note

 * SPDX-License-Identifier: Apache-2.0

 * Copyright (C) 2021 Nuvoton Technology Corp. All rights reserved.

 *****************************************************************************/



#include "uid.h"





/*---------------------------------------------------------------------------------------------------------*/

/*  Define global variables and constants                                                                  */

/*---------------------------------------------------------------------------------------------------------*/

const uint32_t g_au32Password[FMC_FLASH_PAGE_SIZE / 4] __attribute__((at(PASSWORD_ADDR))) = {INIT_PASSWORD_0, INIT_PASSWORD_1, INIT_PASSWORD_2};





/**

  * @brief Read UID.

  * @param[in]  au32Uid Buffer to storage UID.

  * [url=home.php?mod=space&uid=266161]@return[/url]  None.

  */

void UID_Read(uint32_t au32Uid[3])

{

    uint8_t i;



    FMC_Open();



    for(i = 0; i < 3; i++)

    {

        au32Uid[i] = FMC_ReadUID(i);

    }



    FMC_Close();

}





/**

  * @brief UID Encrypt.

  * @param[in]  au32Uid Buffer to storage UID.

  * @return  None.

  * [url=home.php?mod=space&uid=1543424]@Details[/url]  Encrypt the UID, users can change it according to their encryption algorithm.

  */

void UID_Encrypt(uint32_t au32Uid[3])

{

    uint8_t i;



    /* Encrypt the UID, users can change it according to their encryption algorithm */

    for(i = 0; i < 3; i++)

    {

        au32Uid[i] = (~au32Uid[i]) * 5 / i;

    }

}





/**

  * @brief Write password to APROM.

  * @param[in]  au32Password The Buffer of the password.

  * @return  None.

  */

void UID_PasswordWrite(uint32_t au32Password[3])

{

    FMC_Open();



    FMC_ENABLE_AP_UPDATE();



    FMC_Erase((uint32_t)g_au32Password);



    FMC_Write((uint32_t)&g_au32Password[0], au32Password[0]);

    FMC_Write((uint32_t)&g_au32Password[1], au32Password[1]);

    FMC_Write((uint32_t)&g_au32Password[2], au32Password[2]);



    FMC_DISABLE_AP_UPDATE();



    FMC_Close();

}





/**

  * @brief Check password.

  * @param[in]  au32Uid Buffer to storage UID.

  * @return Password right or not.

  * @retval   0  Password error.

  * @retval   1  Password right.

  */

uint8_t UID_PasswordCheck(void)

{

    uint8_t i;

    uint32_t au32Uid[3];

    uint32_t *pu32Password = (uint32_t *)g_au32Password;



    if((pu32Password[0] == INIT_PASSWORD_0) && (pu32Password[1] == INIT_PASSWORD_1) && (pu32Password[2] == INIT_PASSWORD_2))

    {

        UID_Read(au32Uid);

        UID_Encrypt(au32Uid);

        UID_PasswordWrite(au32Uid);

    }

    else

    {

        UID_Read(au32Uid);

        UID_Encrypt(au32Uid);



        for(i = 0; i < 3; i++)

        {

            if(au32Uid[i] != pu32Password[i])

            {

                return 0;

            }

        }

    }



    return 1;

}



/*** (C) COPYRIGHT 2021 Nuvoton Technology Corp. ***/

只看该作者 · 2024-1-29 19:28

很多人说不知道如何用UID，这个程序讲解了如何用UID。