1 /* 2 * Copyright (c) 2020 HiSilicon (Shanghai) Technologies CO., LIMITED. 3 * Licensed under the Apache License, Version 2.0 (the "License"); 4 * you may not use this file except in compliance with the License. 5 * You may obtain a copy of the License at 6 * 7 * http://www.apache.org/licenses/LICENSE-2.0 8 * 9 * Unless required by applicable law or agreed to in writing, software 10 * distributed under the License is distributed on an "AS IS" BASIS, 11 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 12 * See the License for the specific language governing permissions and 13 * limitations under the License. 14 */ 15 16 #ifndef __HI_FLASH_BASE_H__ 17 #define __HI_FLASH_BASE_H__ 18 19 #include <hi_types_base.h> 20 21 #define HI_FLASH_CMD_ADD_FUNC 0 22 #define HI_FLASH_CMD_GET_INFO 1 /**< IOCTL command ID for obtaining the flash information. 23 The corresponding output parameter points to the hi_flash_info structure. 24 CNcomment:IOCTL获取Flash信息，对应出参指向结构体为hi_flash_info.CNend */ 25 #define HI_FLASH_CMD_IS_BUSY 2 /**< IOCTL Obtain whether the flash memory is busy. The corresponding output 26 parameter point type is hi_bool. 27 CNcomment:IOCTL获取Flash是否busy，对应出参指向类型为hi_bool CNend */ 28 29 #define HI_FLASH_CHIP_ID_NUM 3 30 #define HI_FLASH_CAPACITY_ID 2 31 32 /** 33 * @ingroup iot_flash 34 * 35 * Flash information obtaining structure, used to describe the return structure of the command ID HI_FLASH_CMD_GET_INFO. 36 CNcomment:Flash信息获取结构体，用于描述命令ID(HI_FLASH_CMD_GET_INFO)的返回结构体。CNend 37 */ 38 typedef struct { 39 hi_char *name; /**< Flash name.CNcomment:Flash名字CNend */ 40 hi_u8 id[HI_FLASH_CHIP_ID_NUM]; /**< Flash Id */ 41 hi_u8 pad; 42 hi_u32 total_size; /**< Flash totoal size (unit: byte). 43 CNcomment:Flash总大小（单位：byte）CNend */ 44 hi_u32 sector_size; /**< Flash block size (unit: byte). 45 CNcomment:Flash块大小（单位：byte）CNend */ 46 } hi_flash_info; 47 48 #endif 49 50