feat: 增加 flash 模拟 eeprom 接口

2024-04-14 23:11:44 +08:00
parent 750f6dc50f
commit af1b9dc867
4 changed files with 717 additions and 1 deletions
--- a/project/inc/eeprom.h
+++ b/project/inc/eeprom.h
@@ -0,0 +1,80 @@
+/**
+  **************************************************************************
+  * @file     eeprom.h
+  * @version  v2.0.0
+  * @date     2020-11-02
+  * @brief    flash eeprom libray header file
+  **************************************************************************
+  *                       Copyright notice & Disclaimer
+  *
+  * The software Board Support Package (BSP) that is made available to 
+  * download from Artery official website is the copyrighted work of Artery. 
+  * Artery authorizes customers to use, copy, and distribute the BSP 
+  * software and its related documentation for the purpose of design and 
+  * development in conjunction with Artery microcontrollers. Use of the 
+  * software is governed by this copyright notice and the following disclaimer.
+  *
+  * THIS SOFTWARE IS PROVIDED ON "AS IS" BASIS WITHOUT WARRANTIES,
+  * GUARANTEES OR REPRESENTATIONS OF ANY KIND. ARTERY EXPRESSLY DISCLAIMS,
+  * TO THE FULLEST EXTENT PERMITTED BY LAW, ALL EXPRESS, IMPLIED OR
+  * STATUTORY OR OTHER WARRANTIES, GUARANTEES OR REPRESENTATIONS,
+  * INCLUDING BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY,
+  * FITNESS FOR A PARTICULAR PURPOSE, OR NON-INFRINGEMENT.
+  *
+  **************************************************************************
+  */
+
+/*!< define to prevent recursive inclusion -------------------------------------*/
+#ifndef __EEPROM_H
+#define __EEPROM_H
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+/* includes ------------------------------------------------------------------*/
+#include "at32f403a_407.h"
+
+/*
+  +-----------------------------------------------------+
+  |                        EEPROM                       |
+  +--------------------------+--------------------------+
+  |          PAGE 0          |          PAGE 1          |
+  +--------+--------+--------+--------+--------+--------+
+  |        |        |        |        |        |        |
+  | sector | sector | sector | sector | sector | sector |
+  |   0    |  ...   |   N    | N + 1  |  ...   |  N + N |
+  |        |        |        |        |        |        |
+  +--------+--------+--------+--------+--------+--------+
+*/
+
+/*!< user defined */ 
+#define EE_SECTOR_NUM            ((uint32_t)1)                                 /*!< sector number, support multiple sectors to from 1 page */
+#define EE_SECTOR_SIZE           ((uint32_t)(1024 * 2))                        /*!< sector size */
+
+/*!< user do not need to care */ 
+#define EE_FLASH_SIZE            (*(uint16_t *)0x1FFFF7E0)	                   /*!< at32 flash size information */ 
+
+#define EE_PAGE_SIZE             ((uint32_t)(EE_SECTOR_NUM * EE_SECTOR_SIZE))  /*!< page size */
+
+#define EE_BASE_ADDRESS          ((uint32_t)(0x08000000 + 1024 * EE_FLASH_SIZE - EE_PAGE_SIZE * 2)) /*!< eeprom base address */    
+#define EE_PAGE0_ADDRESS         ((uint32_t)(EE_BASE_ADDRESS))                 /*!< eeprom page 0 base address */
+#define EE_PAGE1_ADDRESS         ((uint32_t)(EE_PAGE0_ADDRESS + EE_PAGE_SIZE)) /*!< eeprom page 1 base address */
+
+#define EE_PARA_MAX_NUMBER       ((uint16_t)(EE_PAGE_SIZE / 4 - 1))            /*!< maximum number of variables that can be stored */ 
+
+flash_status_type flash_ee_init       (void);
+uint16_t          flash_ee_data_read  (uint16_t address, uint16_t* pdata);
+flash_status_type flash_ee_data_write (uint16_t address, uint16_t data);
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif
+
+
+
+
+
+