1e41f4b71Sopenharmony_ci# ddk_api.h 2e41f4b71Sopenharmony_ci 3e41f4b71Sopenharmony_ci 4e41f4b71Sopenharmony_ci## 概述 5e41f4b71Sopenharmony_ci 6e41f4b71Sopenharmony_ci声明主机侧访问设备的BASE DDK接口。 7e41f4b71Sopenharmony_ci 8e41f4b71Sopenharmony_ci**起始版本：** 9e41f4b71Sopenharmony_ci 10e41f4b71Sopenharmony_ci12 11e41f4b71Sopenharmony_ci 12e41f4b71Sopenharmony_ci**相关模块：** 13e41f4b71Sopenharmony_ci 14e41f4b71Sopenharmony_ci[BASE DDK](_base_ddk.md) 15e41f4b71Sopenharmony_ci 16e41f4b71Sopenharmony_ci 17e41f4b71Sopenharmony_ci## 汇总 18e41f4b71Sopenharmony_ci 19e41f4b71Sopenharmony_ci 20e41f4b71Sopenharmony_ci### 函数 21e41f4b71Sopenharmony_ci 22e41f4b71Sopenharmony_ci| 名称 | 描述 | 23e41f4b71Sopenharmony_ci| -------- | -------- | 24e41f4b71Sopenharmony_ci| [OH_DDK_CreateAshmem](_base_ddk.md#oh_ddk_createashmem) (const uint8_t *name, [DDK_Ashmem](_ddk_ashmem.md) \*\*ashmem) | 创建共享内存。 | 25e41f4b71Sopenharmony_ci| [OH_DDK_MapAshmem](_base_ddk.md#oh_ddk_mapashmem) ([DDK_Ashmem](_ddk_ashmem.md) \*ashmem), const uint8_t ashmemMapType) | 共享内存映射。 | 26e41f4b71Sopenharmony_ci| [OH_DDK_UnmapAshmem](_base_ddk.md#oh_ddk_unmapashmem) ([DDK_Ashmem](_ddk_ashmem.md) \*ashmem) | 取消共享内存映射。 | 27e41f4b71Sopenharmony_ci| [OH_DDK_DestoryAshmem](_base_ddk.md#oh_ddk_destoryashmem) ([DDK_Ashmem](_ddk_ashmem.md) \*ashmem) | 销毁共享内存。 | 28