rt-thread/bsp/acm32/acm32f0x0-nucleo/libraries/HAL_Driver/Src/HAL_EFLASH.c

/*
  ******************************************************************************
  * @file    HAL_EFlash.c
  * @version V1.0.0
  * @date    2020
  * @brief   EFlash HAL module driver.
  *          This file provides firmware functions to manage the following
  *          functionalities of the internal FLASH memory:
  *           @ Program operations functions
  *           @ Erase   operations functions
  ******************************************************************************
*/
#include "ACM32Fxx_HAL.h"

/*********************************************************************************
* Function    : HAL_EFlash_Init
* Description : Configure eflash parameter as system clock
* Input       : system clock frequency
* Output      : None
* Author      : Chris_Kyle
**********************************************************************************/
void HAL_EFlash_Init(uint32_t fu32_freq)
{
    HAL_EFlash_Init_Para(fu32_freq);
}

/*
* Function    : HAL_EFlash_Erase_Page
* Description : Erase a Page, TERASE has been configured in System_Clock_Init()
* Input       :
* Outpu       : false: FAIL
                true:  SUCCESS
* Author      : Chris_Kyle                         Data : 2020年
**********************************************************************************/
bool HAL_EFlash_ErasePage(uint32_t fu32_Addr)
{
    EFC->CTRL |= EFC_CTRL_PAGE_ERASE_MODE;

    EFC->SEC = 0x55AAAA55;

    *((volatile uint32_t *)fu32_Addr) = 0;

    while (!(EFC->STATUS & EFC_STATUS_EFLASH_RDY));

    EFC->CTRL &= ~EFC_CTRL_PAGE_ERASE_MODE;

    return true;
}

/*********************************************************************************
* Function    : HAL_EFlash_Programe
* Description : Program a word, TPROG has been configured in System_Clock_Init()
* Input       :
* Outpu       : false: FAIL
                true:  SUCCESS
* Author      : Chris_Kyle                         Data : 2020年
**********************************************************************************/
bool HAL_EFlash_Program_Word(uint32_t fu32_Addr, uint32_t fu32_Data)
{
    if (fu32_Addr % 4)
    {
        return false;
    }

    EFC->CTRL |= EFC_CTRL_PROGRAM_MODE;

    EFC->SEC = 0x55AAAA55;

    *((volatile uint32_t *)fu32_Addr) = fu32_Data;

    while (!(EFC->STATUS & EFC_STATUS_EFLASH_RDY));

    EFC->CTRL &= ~EFC_CTRL_PROGRAM_MODE;

    return true;
}