141 lines
3.0 KiB
C
141 lines
3.0 KiB
C
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#include "usbd_usr.h"
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#include "usb_dcd_int.h"
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#include <stdio.h>
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#include "usbd_desc.h"
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#include "usbd_cdc_core.h"
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//////////////////////////////////////////////////////////////////////////////////
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//本程序只供学习使用，未经作者许可，不得用于其它任何用途
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//ALIENTEK STM32开发板
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//USBD-USR 代码
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//正点原子@ALIENTEK
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//技术论坛:www.openedv.com
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//创建日期:2016/1/21
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//版本：V1.0
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//版权所有，盗版必究。
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//Copyright(C) 广州市星翼电子科技有限公司 2009-2019
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//All rights reserved
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//*******************************************************************************
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//修改信息
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//无
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//////////////////////////////////////////////////////////////////////////////////
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//表示USB连接状态
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//0,没有连接;
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//1,已经连接;
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static vu8 bDeviceState=0; //默认没有连接
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__ALIGN_BEGIN static USB_OTG_CORE_HANDLE USB_OTG_dev={0} __ALIGN_END;
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//USB OTG 中断服务函数
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//处理所有USB中断
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void OTG_FS_IRQHandler(void)
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{
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USBD_OTG_ISR_Handler(&USB_OTG_dev);
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}
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//指向DEVICE_PROP结构体
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//USB Device 用户回调函数.
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static USBD_Usr_cb_TypeDef USR_cb =
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{
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USBD_USR_Init,
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USBD_USR_DeviceReset,
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USBD_USR_DeviceConfigured,
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USBD_USR_DeviceSuspended,
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USBD_USR_DeviceResumed,
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USBD_USR_DeviceConnected,
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USBD_USR_DeviceDisconnected,
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};
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//USB Device 用户自定义初始化函数
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void USBD_USR_Init(void)
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{
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//printf("USBD_USR_Init\r\n");
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}
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//USB Device 复位
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//speed:USB速度,0,高速;1,全速;其他,错误.
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void USBD_USR_DeviceReset (uint8_t speed)
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{
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switch (speed)
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{
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case USB_OTG_SPEED_HIGH:
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// printf("USB Device Library v1.1.0 [HS]\r\n");
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break;
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case USB_OTG_SPEED_FULL:
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// printf("USB Device Library v1.1.0 [FS]\r\n");
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break;
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default:
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// printf("USB Device Library v1.1.0 [??]\r\n");
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break;
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}
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}
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//USB Device 配置成功
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void USBD_USR_DeviceConfigured (void)
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{
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bDeviceState=1;
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// printf("MSC Interface started.\r\n");
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}
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//USB Device挂起
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void USBD_USR_DeviceSuspended(void)
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{
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bDeviceState=0;
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// printf("Device In suspend mode.\r\n");
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}
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//USB Device恢复
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void USBD_USR_DeviceResumed(void)
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{
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// printf("Device Resumed\r\n");
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}
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//USB Device连接成功
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void USBD_USR_DeviceConnected (void)
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{
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bDeviceState=1;
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// printf("USB Device Connected.\r\n");
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}
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//USB Device未连接
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void USBD_USR_DeviceDisconnected (void)
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{
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bDeviceState=0;
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// printf("USB Device Disconnected.\r\n");
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}
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void USBD_InitAsVcp (void)
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{
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USBD_Init(&USB_OTG_dev,USB_OTG_HS_CORE_ID,&USR_desc,&USBD_CDC_cb,&USR_cb);
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}
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void USBD_OTG_ISR_USER (void)
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{
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USBD_OTG_ISR_Handler (&USB_OTG_dev);
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//u32 st=USB_OTG_READ_REG32(&(&USB_OTG_dev)->regs.GREGS->GINTSTS );
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u32 st=*(u32 *)0x4004001c;
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//st=*(u32 *)0x40040020;
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if (st==0)
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{
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return;
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}
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}
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void OTG_HS_EP1_IN_ISR_USER (void)
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{
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#ifdef USB_OTG_HS_DEDICATED_EP1_ENABLED
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USBD_OTG_EP1IN_ISR_Handler (&USB_OTG_dev);
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#endif
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}
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void OTG_HS_EP1_OUT_ISR_USER (void)
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{
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#ifdef USB_OTG_HS_DEDICATED_EP1_ENABLED
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USBD_OTG_EP1OUT_ISR_Handler (&USB_OTG_dev);
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#endif
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}
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