203 lines
8.0 KiB
C
203 lines
8.0 KiB
C
/******************************************************************************************************************************************
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* 文件名称: usbh_stdreq.c
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* 功能说明:
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* 技术支持: http://www.synwit.com.cn/e/tool/gbook/?bid=1
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* 注意事项:
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* 版本日期: V1.1.0 2020年11月3日
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* 升级记录:
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*
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*
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*******************************************************************************************************************************************
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* @attention
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*
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* THE PRESENT FIRMWARE WHICH IS FOR GUIDANCE ONLY AIMS AT PROVIDING CUSTOMERS WITH CODING INFORMATION
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* REGARDING THEIR PRODUCTS IN ORDER FOR THEM TO SAVE TIME. AS A RESULT, SYNWIT SHALL NOT BE HELD LIABLE
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* FOR ANY DIRECT, INDIRECT OR CONSEQUENTIAL DAMAGES WITH RESPECT TO ANY CLAIMS ARISING FROM THE CONTENT
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* OF SUCH FIRMWARE AND/OR THE USE MADE BY CUSTOMERS OF THE CODING INFORMATION CONTAINED HEREIN IN CONN-
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* -ECTION WITH THEIR PRODUCTS.
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*
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* COPYRIGHT 2012 Synwit Technology
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*******************************************************************************************************************************************/
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#include <string.h>
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#include "SWM341.h"
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#include "usbh_core.h"
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#include "usbh_stdreq.h"
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/******************************************************************************************************************************************
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* 函数名称: USBH_GetDescriptor()
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* 功能说明: 获取描述符
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* 输 入: 无
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* 输 出: 无
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* 注意事项: 无
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******************************************************************************************************************************************/
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USBH_Status USBH_GetDescriptor(USBH_Info_t *phost, uint8_t type, uint8_t index, uint8_t *buff, int size)
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{
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phost->Ctrl.setup.bRequestType = USB_REQ_D2H | USB_REQ_STANDARD | USB_REQ_TO_DEVICE;
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phost->Ctrl.setup.bRequest = USB_GET_DESCRIPTOR;
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phost->Ctrl.setup.wValue = (type << 8) | index;
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phost->Ctrl.setup.wIndex = 0;
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phost->Ctrl.setup.wLength = size;
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return USBH_CtrlTransfer(phost, buff, size);
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}
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/******************************************************************************************************************************************
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* 函数名称: USBH_GetDescriptorEx()
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* 功能说明: 获取描述符
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* 输 入: uint8_t reqType USB_REQ_STANDARD、USB_REQ_CLASS、USB_REQ_VENDOR
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* uint8_t reqTarget USB_REQ_TO_DEVICE、USB_REQ_TO_INTERFACE、USB_REQ_TO_ENDPOINT
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* uint8_t type
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* uint8_t index
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* uint16_t wIndex
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* 输 出: 无
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* 注意事项: 无
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******************************************************************************************************************************************/
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USBH_Status USBH_GetDescriptorEx(USBH_Info_t *phost, uint8_t reqType, uint8_t reqTarget, uint8_t type, uint8_t index, uint16_t wIndex, uint8_t *buff, int size)
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{
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phost->Ctrl.setup.bRequestType = USB_REQ_D2H | reqType | reqTarget;
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phost->Ctrl.setup.bRequest = USB_GET_DESCRIPTOR;
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phost->Ctrl.setup.wValue = (type << 8) | index;
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phost->Ctrl.setup.wIndex = wIndex;
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phost->Ctrl.setup.wLength = size;
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return USBH_CtrlTransfer(phost, buff, size);
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}
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/******************************************************************************************************************************************
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* 函数名称: USBH_SetAddress()
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* 功能说明: 设置设备地址
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* 输 入: 无
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* 输 出: 无
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* 注意事项: 无
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******************************************************************************************************************************************/
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USBH_Status USBH_SetAddress(USBH_Info_t *phost, uint8_t addr)
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{
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phost->Ctrl.setup.bRequestType = USB_REQ_H2D | USB_REQ_STANDARD | USB_REQ_TO_DEVICE;
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phost->Ctrl.setup.bRequest = USB_SET_ADDRESS;
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phost->Ctrl.setup.wValue = addr;
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phost->Ctrl.setup.wIndex = 0;
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phost->Ctrl.setup.wLength = 0;
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return USBH_CtrlTransfer(phost, 0, 0);
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}
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/******************************************************************************************************************************************
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* 函数名称: USBH_SetConfiguration()
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* 功能说明: 设置 configuration
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* 输 入: 无
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* 输 出: 无
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* 注意事项: 无
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******************************************************************************************************************************************/
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USBH_Status USBH_SetConfiguration(USBH_Info_t *phost, uint8_t cfg)
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{
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phost->Ctrl.setup.bRequestType = USB_REQ_H2D | USB_REQ_STANDARD | USB_REQ_TO_DEVICE;
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phost->Ctrl.setup.bRequest = USB_SET_CONFIGURATION;
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phost->Ctrl.setup.wValue = cfg;
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phost->Ctrl.setup.wIndex = 0;
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phost->Ctrl.setup.wLength = 0;
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return USBH_CtrlTransfer(phost, 0, 0);
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}
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/******************************************************************************************************************************************
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* 函数名称: USBH_SetInterface()
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* 功能说明: 设置 interface altSetting
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* 输 入: 无
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* 输 出: 无
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* 注意事项: 无
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******************************************************************************************************************************************/
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USBH_Status USBH_SetInterface(USBH_Info_t *phost, uint8_t intf, uint8_t altSetting)
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{
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phost->Ctrl.setup.bRequestType = USB_REQ_H2D | USB_REQ_STANDARD | USB_REQ_TO_DEVICE;
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phost->Ctrl.setup.bRequest = USB_SET_INTERFACE;
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phost->Ctrl.setup.wValue = altSetting;
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phost->Ctrl.setup.wIndex = intf;
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phost->Ctrl.setup.wLength = 0;
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return USBH_CtrlTransfer(phost, 0, 0);
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}
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/******************************************************************************************************************************************
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* 函数名称: USBH_ClrFeature()
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* 功能说明: 清除端点 STALL
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* 输 入: 无
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* 输 出: 无
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* 注意事项: 无
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******************************************************************************************************************************************/
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USBH_Status USBH_ClrFeature(USBH_Info_t *phost, uint8_t ep)
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{
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phost->Ctrl.setup.bRequestType = USB_REQ_H2D | USB_REQ_STANDARD | USB_REQ_TO_ENDPOINT;
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phost->Ctrl.setup.bRequest = USB_CLEAR_FEATURE;
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phost->Ctrl.setup.wValue = 0x00;
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phost->Ctrl.setup.wIndex = ep;
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phost->Ctrl.setup.wLength = 0;
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return USBH_CtrlTransfer(phost, 0, 0);
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}
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/******************************************************************************************************************************************
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* 函数名称: USBH_ParseCfgDesc()
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* 功能说明: 解析配置描述符
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* 输 入: 无
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* 输 出: 无
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* 注意事项: 无
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******************************************************************************************************************************************/
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USBH_Status USBH_ParseCfgDesc(USBH_Info_t *phost, uint8_t *buff, uint16_t size)
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{
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USB_DescHeader_t *pdesc = (USB_DescHeader_t *)buff;
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uint8_t if_ix, ep_ix;
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memcpy(&phost->Device.Cfg_Desc, pdesc, sizeof(USB_CfgDesc_t));
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if(phost->Device.Cfg_Desc.bNumInterfaces > USBH_MAX_NUM_INTERFACES)
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{
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return USBH_NOT_SUPPORTED;
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}
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while((uint8_t *)pdesc < &buff[size])
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{
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pdesc = (USB_DescHeader_t *)((uint8_t *)pdesc + pdesc->bLength);
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switch(pdesc->bDescriptorType)
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{
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case USB_DESC_INTERFACE:
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if_ix = ((USB_IntfDesc_t *)pdesc)->bInterfaceNumber;
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if(if_ix >= USBH_MAX_NUM_INTERFACES)
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{
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return USBH_NOT_SUPPORTED;
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}
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memcpy(&phost->Device.Intf_Desc[if_ix], pdesc, sizeof(USB_IntfDesc_t));
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if(phost->Device.Intf_Desc[if_ix].bNumEndpoints > USBH_MAX_NUM_ENDPOINTS)
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{
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return USBH_NOT_SUPPORTED;
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}
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ep_ix = 0;
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break;
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case USB_DESC_ENDPOINT:
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memcpy(&phost->Device.Ep_Desc[if_ix][ep_ix], pdesc, sizeof(USB_EpDesc_t));
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if(++ep_ix >= USBH_MAX_NUM_ENDPOINTS)
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{
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return USBH_NOT_SUPPORTED;
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}
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break;
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case USB_DESC_HID:
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memcpy(&phost->Device.HID_Desc[if_ix], pdesc, sizeof(USB_HIDDesc_t));
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break;
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default:
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break;
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}
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}
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return USBH_OK ;
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}
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