1e41f4b71Sopenharmony_ci# UsbRequestPipe 2e41f4b71Sopenharmony_ci 3e41f4b71Sopenharmony_ci 4e41f4b71Sopenharmony_ci## 概述 5e41f4b71Sopenharmony_ci 6e41f4b71Sopenharmony_ci请求管道。 7e41f4b71Sopenharmony_ci 8e41f4b71Sopenharmony_ci**起始版本：** 9e41f4b71Sopenharmony_ci 10e41f4b71Sopenharmony_ci10 11e41f4b71Sopenharmony_ci 12e41f4b71Sopenharmony_ci**相关模块:** 13e41f4b71Sopenharmony_ci 14e41f4b71Sopenharmony_ci[USB DDK](_usb_ddk.md) 15e41f4b71Sopenharmony_ci 16e41f4b71Sopenharmony_ci 17e41f4b71Sopenharmony_ci## 汇总 18e41f4b71Sopenharmony_ci 19e41f4b71Sopenharmony_ci 20e41f4b71Sopenharmony_ci### 成员变量 21e41f4b71Sopenharmony_ci 22e41f4b71Sopenharmony_ci| 名称 | 描述 | 23e41f4b71Sopenharmony_ci| -------- | -------- | 24e41f4b71Sopenharmony_ci| [interfaceHandle](#interfacehandle) | 接口操作句柄。 | 25e41f4b71Sopenharmony_ci| [endpoint](#endpoint) | 要通信的端点的地址。 | 26e41f4b71Sopenharmony_ci| [timeout](#timeout) | 超时时间，单位是毫秒。 | 27e41f4b71Sopenharmony_ci 28e41f4b71Sopenharmony_ci 29e41f4b71Sopenharmony_ci## 结构体成员变量说明 30e41f4b71Sopenharmony_ci 31e41f4b71Sopenharmony_ci 32e41f4b71Sopenharmony_ci### endpoint 33e41f4b71Sopenharmony_ci 34e41f4b71Sopenharmony_ci 35e41f4b71Sopenharmony_ci``` 36e41f4b71Sopenharmony_ciuint8_t UsbRequestPipe::endpoint 37e41f4b71Sopenharmony_ci``` 38e41f4b71Sopenharmony_ci 39e41f4b71Sopenharmony_ci**描述:** 40e41f4b71Sopenharmony_ci 41e41f4b71Sopenharmony_ci要通信的端点的地址。 42e41f4b71Sopenharmony_ci 43e41f4b71Sopenharmony_ci 44e41f4b71Sopenharmony_ci### interfaceHandle 45e41f4b71Sopenharmony_ci 46e41f4b71Sopenharmony_ci 47e41f4b71Sopenharmony_ci``` 48e41f4b71Sopenharmony_ciuint64_t UsbRequestPipe::interfaceHandle 49e41f4b71Sopenharmony_ci``` 50e41f4b71Sopenharmony_ci 51e41f4b71Sopenharmony_ci**描述:** 52e41f4b71Sopenharmony_ci 53e41f4b71Sopenharmony_ci接口操作句柄。 54e41f4b71Sopenharmony_ci 55e41f4b71Sopenharmony_ci 56e41f4b71Sopenharmony_ci### timeout 57e41f4b71Sopenharmony_ci 58e41f4b71Sopenharmony_ci 59e41f4b71Sopenharmony_ci``` 60e41f4b71Sopenharmony_ciuint32_t UsbRequestPipe::timeout 61e41f4b71Sopenharmony_ci``` 62e41f4b71Sopenharmony_ci 63e41f4b71Sopenharmony_ci**描述:** 64e41f4b71Sopenharmony_ci 65e41f4b71Sopenharmony_ci超时时间，单位是毫秒。 66