69 lines
1.2 KiB
C
69 lines
1.2 KiB
C
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/**
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* @file cm_usb.h
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* @brief usb虚拟串口功能
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* @copyright copyright © 2023 China Mobile IOT. All rights reserved.
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* @author by ZXW
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* @date 2023/8/4
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*
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* @defgroup USB
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* @ingroup USB
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* @{
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*/
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#ifndef __CM_USB_H__
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#define __CM_USB_H__
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#include <stddef.h>
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#define CM_USB_EVT_INSERT 1
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#define CM_USB_EVT_REMOVE 0
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/** 定义USB接收回调*/
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typedef void (*cm_usb2com_recv_cb)(void *data, int32_t len);
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/** 定义USB插拔事件回调*/
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typedef void (*cm_usb2com_status_cb)(int32_t evt);
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/**
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* @brief 注册USB2COM接收回调函数
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*
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* @param [in] recv_cb 接收回调函数
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*
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* @return None
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*
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* @details 禁止跨多线程使用
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*/
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void cm_usb2com_register_recv_cb(cm_usb2com_recv_cb recv_cb);
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/**
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* @brief USB2COM发送数据
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*
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* @param [in] data 待发送数据
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* @param [in] len 数据长度
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*
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* @return 成功返回0，失败返回负值
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*
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* @details 禁止跨多线程使用
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*/
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int32_t cm_usb2com_send_data(void *data, int32_t len);
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/**
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* @brief 注册USB2COM插拔事件回调函数
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*
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* @param [in] status_cb 插拔事件回调函数
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*
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* @return None
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*
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* @details 禁止跨多线程使用
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*/
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void cm_usb2com_register_status_cb(cm_usb2com_status_cb status_cb);
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#endif
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