在端点0由GET_REPORT类请求上传报表

目录

一般来说HID设备的报表在端点数量资源充裕的情况下都走中断端点上传，不会走控制端点即端点0上传，如果资源不足，可以利用端点0上传报表，USB协议中也是支持在端点0上传报表的。

以CH582为例，EVT中的键鼠复合例程中，键盘走端点1而鼠标走端点2上传报表，互不耽误。如果端点资源比较紧张，多个设备的报表比如键鼠的报表，可以走同一个端点上传，这时就要在同一个端点上传的数据中区分报表。区分方法也很简单，在报表开头再添加一个字节作为Report ID，比如说键盘和鼠标的Report ID分别设置为0x01和0x02，上传8字节键盘报表前再加个0x01即可。如果端点资源真的很紧张，其他端点都被占用了，又要跑CDC又要跑MIDI等等，那还有端点0可以使用。当然当端点资源很紧张时需要首先评估一下在端点0上报数据能不能满足稳定性要求，如果非要实现严格的1ms上传一个HID报表，还是建议留足资源。

默认例程代码中没有处理端点0上传的HID类请求，可以按参考下方代码。下方代码中新增了一个结构体记录各标志（ram紧张的话可以压缩压缩，按位标志），在主函数中处理报表的上传。PS：下列代码上传超过64字节的报表时有BUG，待修复。

改动之处见有//XXX注释的代码行，复制到编译器中，在右侧一栏有蓝色标记帮助寻找位置。

#include "CH58x_common.h"

#define DEF_USB_GET_REPORT           0x01      //XXX 主机可以使用端点0来获取报表描述符

struct USB_ep0_st                    //XXX
{
    uint8_t ep0_in;                 //置1时表示收到端点0收到in令牌包
    uint8_t ep0_1st_data;           //第1个数据包同步切换为data1
    uint8_t ep0_getting_report;     //置1时表示正在获取报表，报表全部传输完后手动置0
    uint8_t ep0_report_choosing;    //置1时表示收到了GET_REPORT请求，正在进行报表选择
    uint8_t ep0_report_ID;          //HID类请求中的report ID
    uint16_t ep0_Req_Len;           //HID类请求中的report长度
    uint16_t ep0_Send_Len;          //实际上传发送的长度
};

struct USB_ep0_st ep0_st = {0};     //XXX 帮助进行HID类请求的回复

const uint8_t HID_Descr_Ep0_1[] = {           //XXX 先行定义待上传数据
        0x03, 0x04
};

const uint8_t HID_Descr_Ep0_2[] = {           //XXX 先行定义待上传数据
        0x0a, 0x0b, 0x0c, 0x0d, 0x0f
};

#define DevEP0SIZE    0x40
// 设备描述符
const uint8_t MyDevDescr[] = {0x12, 0x01, 0x10, 0x01, 0x00, 0x00, 0x00, DevEP0SIZE, 0x3d, 0x41, 0x07, 0x21, 0x00, 0x00,
                              0x00, 0x00, 0x00, 0x01};
// 配置描述符
const uint8_t MyCfgDescr[] = {
    0x09, 0x02, 0x3b, 0x00, 0x02, 0x01, 0x00, 0xA0, 0x32, //配置描述符
    0x09, 0x04, 0x00, 0x00, 0x01, 0x03, 0x01, 0x01, 0x00, //接口描述符,键盘
    0x09, 0x21, 0x11, 0x01, 0x00, 0x01, 0x22, 0x3e, 0x00, //HID类描述符
    0x07, 0x05, 0x81, 0x03, 0x08, 0x00, 0x0a,             //端点描述符
    0x09, 0x04, 0x01, 0x00, 0x01, 0x03, 0x01, 0x02, 0x00, //接口描述符,鼠标
    0x09, 0x21, 0x10, 0x01, 0x00, 0x01, 0x22, 0x34, 0x00, //HID类描述符
    0x07, 0x05, 0x82, 0x03, 0x04, 0x00, 0x0a              //端点描述符

};
/* USB速度匹配描述符 */
const uint8_t My_QueDescr[] = {0x0A, 0x06, 0x00, 0x02, 0xFF, 0x00, 0xFF, 0x40, 0x01, 0x00};

/* USB全速模式,其他速度配置描述符 */
uint8_t USB_FS_OSC_DESC[sizeof(MyCfgDescr)] = {
    0x09, 0x07, /* 其他部分通过程序复制 */
};

// 语言描述符
const uint8_t MyLangDescr[] = {0x04, 0x03, 0x09, 0x04};
// 厂家信息
const uint8_t MyManuInfo[] = {0x0E, 0x03, 'w', 0, 'c', 0, 'h', 0, '.', 0, 'c', 0, 'n', 0};
// 产品信息
const uint8_t MyProdInfo[] = {0x0C, 0x03, 'C', 0, 'H', 0, '5', 0, '7', 0, 'x', 0};
/*HID类报表描述符*/
const uint8_t KeyRepDesc[] = {0x05, 0x01, 0x09, 0x06, 0xA1, 0x01, 0x05, 0x07, 0x19, 0xe0, 0x29, 0xe7, 0x15, 0x00, 0x25,
                              0x01, 0x75, 0x01, 0x95, 0x08, 0x81, 0x02, 0x95, 0x01, 0x75, 0x08, 0x81, 0x01, 0x95, 0x03,
                              0x75, 0x01, 0x05, 0x08, 0x19, 0x01, 0x29, 0x03, 0x91, 0x02, 0x95, 0x05, 0x75, 0x01, 0x91,
                              0x01, 0x95, 0x06, 0x75, 0x08, 0x26, 0xff, 0x00, 0x05, 0x07, 0x19, 0x00, 0x29, 0x91, 0x81,
                              0x00, 0xC0};
const uint8_t MouseRepDesc[] = {0x05, 0x01, 0x09, 0x02, 0xA1, 0x01, 0x09, 0x01, 0xA1, 0x00, 0x05, 0x09, 0x19, 0x01, 0x29,
                                0x03, 0x15, 0x00, 0x25, 0x01, 0x75, 0x01, 0x95, 0x03, 0x81, 0x02, 0x75, 0x05, 0x95, 0x01,
                                0x81, 0x01, 0x05, 0x01, 0x09, 0x30, 0x09, 0x31, 0x09, 0x38, 0x15, 0x81, 0x25, 0x7f, 0x75,
                                0x08, 0x95, 0x03, 0x81, 0x06, 0xC0, 0xC0};

/**********************************************************/
uint8_t        DevConfig, Ready;
uint8_t        SetupReqCode;
uint16_t       SetupReqLen;
const uint8_t *pDescr;
uint8_t        Report_Value = 0x00;
uint8_t        Idle_Value = 0x00;
uint8_t        USB_SleepStatus = 0x00; /* USB睡眠状态 */

/*鼠标键盘数据*/
uint8_t HIDMouse[4] = {0x0, 0x0, 0x0, 0x0};
uint8_t HIDKey[8] = {0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0};
/******** 用户自定义分配端点RAM ****************************************/
__attribute__((aligned(4))) uint8_t EP0_Databuf[64 + 64 + 64]; //ep0(64)+ep4_out(64)+ep4_in(64)
__attribute__((aligned(4))) uint8_t EP1_Databuf[64 + 64];      //ep1_out(64)+ep1_in(64)
__attribute__((aligned(4))) uint8_t EP2_Databuf[64 + 64];      //ep2_out(64)+ep2_in(64)
__attribute__((aligned(4))) uint8_t EP3_Databuf[64 + 64];      //ep3_out(64)+ep3_in(64)

/*********************************************************************
 * @fn      USB_DevTransProcess
 *
 * @brief   USB 传输处理函数
 *
 * @return  none
 */
void USB_DevTransProcess(void)
{
    uint8_t len, chtype;
    uint8_t intflag, errflag = 0;

    intflag = R8_USB_INT_FG;
    if(intflag & RB_UIF_TRANSFER)
    {
        if((R8_USB_INT_ST & MASK_UIS_TOKEN) != MASK_UIS_TOKEN) // 非空闲
        {
            switch(R8_USB_INT_ST & (MASK_UIS_TOKEN | MASK_UIS_ENDP))
            // 分析操作令牌和端点号
            {
                case UIS_TOKEN_IN:
                {
                    switch(SetupReqCode)
                    {
                        case USB_GET_DESCRIPTOR:
                            len = SetupReqLen >= DevEP0SIZE ? DevEP0SIZE : SetupReqLen; // 本次传输长度
                            memcpy(pEP0_DataBuf, pDescr, len);                          /* 加载上传数据 */
                            SetupReqLen -= len;
                            pDescr += len;
                            R8_UEP0_T_LEN = len;
                            R8_UEP0_CTRL ^= RB_UEP_T_TOG; // 翻转
                            break;
                        case USB_SET_ADDRESS:
                            R8_USB_DEV_AD = (R8_USB_DEV_AD & RB_UDA_GP_BIT) | SetupReqLen;
                            R8_UEP0_CTRL = UEP_R_RES_ACK | UEP_T_RES_NAK;
                            break;

                        case USB_SET_FEATURE:
                            break;

                        default:
                            R8_UEP0_T_LEN = 0; // 状态阶段完成中断或者是强制上传0长度数据包结束控制传输
                            R8_UEP0_CTRL = UEP_R_RES_ACK | UEP_T_RES_NAK;
                            break;
                    }
                    ep0_st.ep0_in = 0;      //XXX 清标志表示已上传完成
                }
                break;

                case UIS_TOKEN_OUT:
                {
                    len = R8_USB_RX_LEN;
                    if(SetupReqCode == 0x09)
                    {
                        PRINT("[%s] Num Lock\t", (pEP0_DataBuf[0] & (1<<0)) ? "*" : " ");
                        PRINT("[%s] Caps Lock\t", (pEP0_DataBuf[0] & (1<<1)) ? "*" : " ");
                        PRINT("[%s] Scroll Lock\n", (pEP0_DataBuf[0] & (1<<2)) ? "*" : " ");
                    }
                }
                break;

                case UIS_TOKEN_OUT | 1:
                {
                    if(R8_USB_INT_ST & RB_UIS_TOG_OK)
                    { // 不同步的数据包将丢弃
                        R8_UEP1_CTRL ^= RB_UEP_R_TOG;
                        len = R8_USB_RX_LEN;
                        DevEP1_OUT_Deal(len);
                    }
                }
                break;

                case UIS_TOKEN_IN | 1:
                    R8_UEP1_CTRL ^= RB_UEP_T_TOG;
                    R8_UEP1_CTRL = (R8_UEP1_CTRL & ~MASK_UEP_T_RES) | UEP_T_RES_NAK;
                    break;

                case UIS_TOKEN_OUT | 2:
                {
                    if(R8_USB_INT_ST & RB_UIS_TOG_OK)
                    { // 不同步的数据包将丢弃
                        R8_UEP2_CTRL ^= RB_UEP_R_TOG;
                        len = R8_USB_RX_LEN;
                        DevEP2_OUT_Deal(len);
                    }
                }
                break;

                case UIS_TOKEN_IN | 2:
                    R8_UEP2_CTRL ^= RB_UEP_T_TOG;
                    R8_UEP2_CTRL = (R8_UEP2_CTRL & ~MASK_UEP_T_RES) | UEP_T_RES_NAK;
                    break;

                case UIS_TOKEN_OUT | 3:
                {
                    if(R8_USB_INT_ST & RB_UIS_TOG_OK)
                    { // 不同步的数据包将丢弃
                        R8_UEP3_CTRL ^= RB_UEP_R_TOG;
                        len = R8_USB_RX_LEN;
                        DevEP3_OUT_Deal(len);
                    }
                }
                break;

                case UIS_TOKEN_IN | 3:
                    R8_UEP3_CTRL ^= RB_UEP_T_TOG;
                    R8_UEP3_CTRL = (R8_UEP3_CTRL & ~MASK_UEP_T_RES) | UEP_T_RES_NAK;
                    break;

                case UIS_TOKEN_OUT | 4:
                {
                    if(R8_USB_INT_ST & RB_UIS_TOG_OK)
                    {
                        R8_UEP4_CTRL ^= RB_UEP_R_TOG;
                        len = R8_USB_RX_LEN;
                        DevEP4_OUT_Deal(len);
                    }
                }
                break;

                case UIS_TOKEN_IN | 4:
                    R8_UEP4_CTRL ^= RB_UEP_T_TOG;
                    R8_UEP4_CTRL = (R8_UEP4_CTRL & ~MASK_UEP_T_RES) | UEP_T_RES_NAK;
                    break;

                default:
                    break;
            }
            R8_USB_INT_FG = RB_UIF_TRANSFER;
        }
        if(R8_USB_INT_ST & RB_UIS_SETUP_ACT) // Setup包处理
        {
            R8_UEP0_CTRL = RB_UEP_R_TOG | RB_UEP_T_TOG | UEP_R_RES_ACK | UEP_T_RES_NAK;
            SetupReqLen = pSetupReqPak->wLength;
            SetupReqCode = pSetupReqPak->bRequest;
            chtype = pSetupReqPak->bRequestType;

            len = 0;
            errflag = 0;
            if((pSetupReqPak->bRequestType & USB_REQ_TYP_MASK) != USB_REQ_TYP_STANDARD)
            {
                /* 非标准请求 */
                /* 其它请求,如类请求，产商请求等 */
                if(pSetupReqPak->bRequestType & 0x40)
                {
                    /* 厂商请求 */
                }
                else if(pSetupReqPak->bRequestType & 0x20)
                {
                    switch(SetupReqCode)
                    {
                        case DEF_USB_SET_IDLE: /* 0x0A: SET_IDLE */
                            Idle_Value = EP0_Databuf[3];
                            break; //这个一定要有

                        case DEF_USB_SET_REPORT: /* 0x09: SET_REPORT */
                            break;

                        case DEF_USB_SET_PROTOCOL: /* 0x0B: SET_PROTOCOL */
                            Report_Value = EP0_Databuf[2];
                            break;

                        case DEF_USB_GET_IDLE: /* 0x02: GET_IDLE */
                            EP0_Databuf[0] = Idle_Value;
                            len = 1;
                            break;

                        case DEF_USB_GET_PROTOCOL: /* 0x03: GET_PROTOCOL */
                            EP0_Databuf[0] = Report_Value;
                            len = 1;
                            break;

                        case DEF_USB_GET_REPORT:    //XXX
                            ep0_st.ep0_report_ID = (uint8_t)pSetupReqPak->wValue;       //保存report ID
                            ep0_st.ep0_Req_Len = SetupReqLen;     //保存请求中索取的长度
                            ep0_st.ep0_report_choosing = 1;     //置标志表示待选择report ID
                            PRINT("GET_REPORT_ID\n");
                            break;

                        default:
                            errflag = 0xFF;
                    }
                }
            }
            else /* 标准请求 */
            {
                switch(SetupReqCode)
                {
                    case USB_GET_DESCRIPTOR:
                    {
                        switch(((pSetupReqPak->wValue) >> 8))
                        {
                            case USB_DESCR_TYP_DEVICE:
                            {
                                pDescr = MyDevDescr;
                                len = MyDevDescr[0];
                            }
                            break;

                            case USB_DESCR_TYP_CONFIG:
                            {
                                pDescr = MyCfgDescr;
                                len = MyCfgDescr[2];
                            }
                            break;

                            case USB_DESCR_TYP_HID:
                                switch((pSetupReqPak->wIndex) & 0xff)
                                {
                                    /* 选择接口 */
                                    case 0:
                                        pDescr = (uint8_t *)(&MyCfgDescr[18]);
                                        len = 9;
                                        break;

                                    case 1:
                                        pDescr = (uint8_t *)(&MyCfgDescr[43]);
                                        len = 9;
                                        break;

                                    default:
                                        /* 不支持的字符串描述符 */
                                        errflag = 0xff;
                                        break;
                                }
                                break;

                            case USB_DESCR_TYP_REPORT:
                            {
                                if(((pSetupReqPak->wIndex) & 0xff) == 0) //接口0报表描述符
                                {
                                    pDescr = KeyRepDesc; //数据准备上传
                                    len = sizeof(KeyRepDesc);
                                }
                                else if(((pSetupReqPak->wIndex) & 0xff) == 1) //接口1报表描述符
                                {
                                    pDescr = MouseRepDesc; //数据准备上传
                                    len = sizeof(MouseRepDesc);
                                    Ready = 1; //如果有更多接口，该标准位应该在最后一个接口配置完成后有效
                                }
                                else
                                    len = 0xff; //本程序只有2个接口，这句话正常不可能执行
                            }
                            break;

                            case USB_DESCR_TYP_STRING:
                            {
                                switch((pSetupReqPak->wValue) & 0xff)
                                {
                                    case 1:
                                        pDescr = MyManuInfo;
                                        len = MyManuInfo[0];
                                        break;
                                    case 2:
                                        pDescr = MyProdInfo;
                                        len = MyProdInfo[0];
                                        break;
                                    case 0:
                                        pDescr = MyLangDescr;
                                        len = MyLangDescr[0];
                                        break;
                                    default:
                                        errflag = 0xFF; // 不支持的字符串描述符
                                        break;
                                }
                            }
                            break;

                            case 0x06:
                                pDescr = (uint8_t *)(&My_QueDescr[0]);
                                len = sizeof(My_QueDescr);
                                break;

                            case 0x07:
                                memcpy(&USB_FS_OSC_DESC[2], &MyCfgDescr[2], sizeof(MyCfgDescr) - 2);
                                pDescr = (uint8_t *)(&USB_FS_OSC_DESC[0]);
                                len = sizeof(USB_FS_OSC_DESC);
                                break;

                            default:
                                errflag = 0xff;
                                break;
                        }
                        if(SetupReqLen > len)
                            SetupReqLen = len; //实际需上传总长度
                        len = (SetupReqLen >= DevEP0SIZE) ? DevEP0SIZE : SetupReqLen;
                        memcpy(pEP0_DataBuf, pDescr, len);
                        pDescr += len;
                    }
                    break;

                    case USB_SET_ADDRESS:
                        SetupReqLen = (pSetupReqPak->wValue) & 0xff;
                        break;

                    case USB_GET_CONFIGURATION:
                        pEP0_DataBuf[0] = DevConfig;
                        if(SetupReqLen > 1)
                            SetupReqLen = 1;
                        break;

                    case USB_SET_CONFIGURATION:
                        DevConfig = (pSetupReqPak->wValue) & 0xff;
                        break;

                    case USB_CLEAR_FEATURE:
                    {
                        if((pSetupReqPak->bRequestType & USB_REQ_RECIP_MASK) == USB_REQ_RECIP_ENDP) // 端点
                        {
                            switch((pSetupReqPak->wIndex) & 0xff)
                            {
                                case 0x83:
                                    R8_UEP3_CTRL = (R8_UEP3_CTRL & ~(RB_UEP_T_TOG | MASK_UEP_T_RES)) | UEP_T_RES_NAK;
                                    break;
                                case 0x03:
                                    R8_UEP3_CTRL = (R8_UEP3_CTRL & ~(RB_UEP_R_TOG | MASK_UEP_R_RES)) | UEP_R_RES_ACK;
                                    break;
                                case 0x82:
                                    R8_UEP2_CTRL = (R8_UEP2_CTRL & ~(RB_UEP_T_TOG | MASK_UEP_T_RES)) | UEP_T_RES_NAK;
                                    break;
                                case 0x02:
                                    R8_UEP2_CTRL = (R8_UEP2_CTRL & ~(RB_UEP_R_TOG | MASK_UEP_R_RES)) | UEP_R_RES_ACK;
                                    break;
                                case 0x81:
                                    R8_UEP1_CTRL = (R8_UEP1_CTRL & ~(RB_UEP_T_TOG | MASK_UEP_T_RES)) | UEP_T_RES_NAK;
                                    break;
                                case 0x01:
                                    R8_UEP1_CTRL = (R8_UEP1_CTRL & ~(RB_UEP_R_TOG | MASK_UEP_R_RES)) | UEP_R_RES_ACK;
                                    break;
                                default:
                                    errflag = 0xFF; // 不支持的端点
                                    break;
                            }
                        }
                        else if((pSetupReqPak->bRequestType & USB_REQ_RECIP_MASK) == USB_REQ_RECIP_DEVICE)
                        {
                            if(pSetupReqPak->wValue == 1)
                            {
                                USB_SleepStatus &= ~0x01;
                            }
                        }
                        else
                        {
                            errflag = 0xFF;
                        }
                    }
                    break;

                    case USB_SET_FEATURE:
                        if((pSetupReqPak->bRequestType & USB_REQ_RECIP_MASK) == USB_REQ_RECIP_ENDP)
                        {
                            /* 端点 */
                            switch(pSetupReqPak->wIndex)
                            {
                                case 0x83:
                                    R8_UEP3_CTRL = (R8_UEP3_CTRL & ~(RB_UEP_T_TOG | MASK_UEP_T_RES)) | UEP_T_RES_STALL;
                                    break;
                                case 0x03:
                                    R8_UEP3_CTRL = (R8_UEP3_CTRL & ~(RB_UEP_R_TOG | MASK_UEP_R_RES)) | UEP_R_RES_STALL;
                                    break;
                                case 0x82:
                                    R8_UEP2_CTRL = (R8_UEP2_CTRL & ~(RB_UEP_T_TOG | MASK_UEP_T_RES)) | UEP_T_RES_STALL;
                                    break;
                                case 0x02:
                                    R8_UEP2_CTRL = (R8_UEP2_CTRL & ~(RB_UEP_R_TOG | MASK_UEP_R_RES)) | UEP_R_RES_STALL;
                                    break;
                                case 0x81:
                                    R8_UEP1_CTRL = (R8_UEP1_CTRL & ~(RB_UEP_T_TOG | MASK_UEP_T_RES)) | UEP_T_RES_STALL;
                                    break;
                                case 0x01:
                                    R8_UEP1_CTRL = (R8_UEP1_CTRL & ~(RB_UEP_R_TOG | MASK_UEP_R_RES)) | UEP_R_RES_STALL;
                                    break;
                                default:
                                    /* 不支持的端点 */
                                    errflag = 0xFF; // 不支持的端点
                                    break;
                            }
                        }
                        else if((pSetupReqPak->bRequestType & USB_REQ_RECIP_MASK) == USB_REQ_RECIP_DEVICE)
                        {
                            if(pSetupReqPak->wValue == 1)
                            {
                                /* 设置睡眠 */
                                USB_SleepStatus |= 0x01;
                            }
                        }
                        else
                        {
                            errflag = 0xFF;
                        }
                        break;

                    case USB_GET_INTERFACE:
                        pEP0_DataBuf[0] = 0x00;
                        if(SetupReqLen > 1)
                            SetupReqLen = 1;
                        break;

                    case USB_SET_INTERFACE:
                        break;

                    case USB_GET_STATUS:
                        if((pSetupReqPak->bRequestType & USB_REQ_RECIP_MASK) == USB_REQ_RECIP_ENDP)
                        {
                            /* 端点 */
                            pEP0_DataBuf[0] = 0x00;
                            switch(pSetupReqPak->wIndex)
                            {
                                case 0x83:
                                    if((R8_UEP3_CTRL & (RB_UEP_T_TOG | MASK_UEP_T_RES)) == UEP_T_RES_STALL)
                                    {
                                        pEP0_DataBuf[0] = 0x01;
                                    }
                                    break;

                                case 0x03:
                                    if((R8_UEP3_CTRL & (RB_UEP_R_TOG | MASK_UEP_R_RES)) == UEP_R_RES_STALL)
                                    {
                                        pEP0_DataBuf[0] = 0x01;
                                    }
                                    break;

                                case 0x82:
                                    if((R8_UEP2_CTRL & (RB_UEP_T_TOG | MASK_UEP_T_RES)) == UEP_T_RES_STALL)
                                    {
                                        pEP0_DataBuf[0] = 0x01;
                                    }
                                    break;

                                case 0x02:
                                    if((R8_UEP2_CTRL & (RB_UEP_R_TOG | MASK_UEP_R_RES)) == UEP_R_RES_STALL)
                                    {
                                        pEP0_DataBuf[0] = 0x01;
                                    }
                                    break;

                                case 0x81:
                                    if((R8_UEP1_CTRL & (RB_UEP_T_TOG | MASK_UEP_T_RES)) == UEP_T_RES_STALL)
                                    {
                                        pEP0_DataBuf[0] = 0x01;
                                    }
                                    break;

                                case 0x01:
                                    if((R8_UEP1_CTRL & (RB_UEP_R_TOG | MASK_UEP_R_RES)) == UEP_R_RES_STALL)
                                    {
                                        pEP0_DataBuf[0] = 0x01;
                                    }
                                    break;
                            }
                        }
                        else if((pSetupReqPak->bRequestType & USB_REQ_RECIP_MASK) == USB_REQ_RECIP_DEVICE)
                        {
                            pEP0_DataBuf[0] = 0x00;
                            if(USB_SleepStatus)
                            {
                                pEP0_DataBuf[0] = 0x02;
                            }
                            else
                            {
                                pEP0_DataBuf[0] = 0x00;
                            }
                        }
                        pEP0_DataBuf[1] = 0;
                        if(SetupReqLen >= 2)
                        {
                            SetupReqLen = 2;
                        }
                        break;

                    default:
                        errflag = 0xff;
                        break;
                }
            }
            if(errflag == 0xff) // 错误或不支持
            {
                //                  SetupReqCode = 0xFF;
                R8_UEP0_CTRL = RB_UEP_R_TOG | RB_UEP_T_TOG | UEP_R_RES_STALL | UEP_T_RES_STALL; // STALL
            }
            else if(!ep0_st.ep0_report_choosing)     //XXX 如果有待选择的报表，放到主函数里处理
            {
                if(chtype & 0x80) // 上传
                {
                    len = (SetupReqLen > DevEP0SIZE) ? DevEP0SIZE : SetupReqLen;
                    SetupReqLen -= len;
                }
                else
                    len = 0; // 下传
                R8_UEP0_T_LEN = len;
                R8_UEP0_CTRL = RB_UEP_R_TOG | RB_UEP_T_TOG | UEP_R_RES_ACK | UEP_T_RES_ACK; // 默认数据包是DATA1
            }

            R8_USB_INT_FG = RB_UIF_TRANSFER;
        }
    }
    else if(intflag & RB_UIF_BUS_RST)
    {
        R8_USB_DEV_AD = 0;
        R8_UEP0_CTRL = UEP_R_RES_ACK | UEP_T_RES_NAK;
        R8_UEP1_CTRL = UEP_R_RES_ACK | UEP_T_RES_NAK;
        R8_UEP2_CTRL = UEP_R_RES_ACK | UEP_T_RES_NAK;
        R8_UEP3_CTRL = UEP_R_RES_ACK | UEP_T_RES_NAK;
        R8_USB_INT_FG = RB_UIF_BUS_RST;
    }
    else if(intflag & RB_UIF_SUSPEND)
    {
        if(R8_USB_MIS_ST & RB_UMS_SUSPEND)
        {
            ;
        } // 挂起
        else
        {
            ;
        } // 唤醒
        R8_USB_INT_FG = RB_UIF_SUSPEND;
    }
    else
    {
        R8_USB_INT_FG = intflag;
    }
}

/*********************************************************************
 * @fn      DevHIDMouseReport
 *
 * @brief   上报鼠标数据
 *
 * @return  none
 */
void DevHIDMouseReport(uint8_t mouse)
{
    HIDMouse[0] = mouse;
    memcpy(pEP2_IN_DataBuf, HIDMouse, sizeof(HIDMouse));
    DevEP2_IN_Deal(sizeof(HIDMouse));
}

/*********************************************************************
 * @fn      DevHIDKeyReport
 *
 * @brief   上报键盘数据
 *
 * @return  none
 */
void DevHIDKeyReport(uint8_t key)
{
    HIDKey[2] = key;
    memcpy(pEP1_IN_DataBuf, HIDKey, sizeof(HIDKey));
    DevEP1_IN_Deal(sizeof(HIDKey));
}

/*********************************************************************
 * @fn      DevWakeup
 *
 * @brief   设备模式唤醒主机
 *
 * @return  none
 */
void DevWakeup(void)
{
    R16_PIN_ANALOG_IE &= ~(RB_PIN_USB_DP_PU);
    R8_UDEV_CTRL |= RB_UD_LOW_SPEED;
    mDelaymS(2);
    R8_UDEV_CTRL &= ~RB_UD_LOW_SPEED;
    R16_PIN_ANALOG_IE |= RB_PIN_USB_DP_PU;
}

/*********************************************************************
 * @fn      DebugInit
 *
 * @brief   调试初始化
 *
 * @return  none
 */
void DebugInit(void)
{
    GPIOA_SetBits(GPIO_Pin_9);
    GPIOA_ModeCfg(GPIO_Pin_8, GPIO_ModeIN_PU);
    GPIOA_ModeCfg(GPIO_Pin_9, GPIO_ModeOut_PP_5mA);
    UART1_DefInit();
}

/*********************************************************************
 * @fn      main
 *
 * @brief   主函数
 *
 * @return  none
 */
int main()
{
    SetSysClock(CLK_SOURCE_PLL_60MHz);

    DebugInit();
    PRINT("start\n");

    pEP0_RAM_Addr = EP0_Databuf;
    pEP1_RAM_Addr = EP1_Databuf;
    pEP2_RAM_Addr = EP2_Databuf;
    pEP3_RAM_Addr = EP3_Databuf;

    USB_DeviceInit();

    PFIC_EnableIRQ(USB_IRQn);

    while(1)
    {
        if(ep0_st.ep0_report_choosing)
                        {
                            switch(ep0_st.ep0_report_ID)    //XXX 根据USB传输中断中的赋值选择
                            {
                                case 0x03:
                                    ep0_st.ep0_1st_data = 1;
                                    ep0_st.ep0_getting_report = 1;      //选好报表后将要上传
                                    PRINT("select id %d\n", ep0_st.ep0_report_ID);
                                    pDescr = HID_Descr_Ep0_1;                //选择预设的待上传数据，可改动
                                    ep0_st.ep0_Send_Len = sizeof(HID_Descr_Ep0_1);       //实际发送长度预设为实际长度

                                    if (ep0_st.ep0_Send_Len > ep0_st.ep0_Req_Len)   //ep0_Req_Len中存放的是HID请求中的长度，ep0_Send_Len存放应该上传的长度
                                    {                                               //如果实际长度不足，按实际长度发送
                                        ep0_st.ep0_Send_Len = ep0_st.ep0_Req_Len;   //如果实际长度太长，按HID请求中的长度发送
                                        PRINT("select IN_if\n");
                                    }
                                    PRINT("select len %d\n", ep0_st.ep0_Send_Len);
                                    break;

                                case 0x0A:
                                    ep0_st.ep0_1st_data = 1;
                                    ep0_st.ep0_getting_report = 1;      //选好报表后将要上传
                                    PRINT("select id %d\n", ep0_st.ep0_report_ID);
                                    pDescr = HID_Descr_Ep0_2;                //选择预设的待上传数据，可改动
                                    ep0_st.ep0_Send_Len = sizeof(HID_Descr_Ep0_2);       //实际发送长度预设为实际长度

                                    if (ep0_st.ep0_Send_Len > ep0_st.ep0_Req_Len)   //ep0_Req_Len中存放的是HID请求中的长度，ep0_Send_Len存放应该上传的长度
                                    {                                               //如果实际长度不足，按实际长度发送
                                        ep0_st.ep0_Send_Len = ep0_st.ep0_Req_Len;   //如果实际长度太长，按HID请求中的长度发送
                                        PRINT("select IN_if\n");
                                    }
                                    PRINT("select len %d\n", ep0_st.ep0_Send_Len);
                                    break;

                                default:    //无法识别，应该发stall，参考上面的处理，这里没有添加
                                    break;
                            }
                            ep0_st.ep0_report_choosing = 0; //清标志，报表数组选择完了
                        }

                        if((ep0_st.ep0_in == 0) && (ep0_st.ep0_getting_report == 1))    //XXX 上一包IN令牌包完成且正在上传报表
                        {
                            PRINT("S_IN\n");
                            uint16_t len = 0;   //存放待发送的长度

                            if(ep0_st.ep0_Send_Len <= DevEP0SIZE)  //检查一包能否传完
                            {
                                len = ep0_st.ep0_Send_Len;
                            }
                            else
                            {
                                len = DevEP0SIZE;
                            }

                            memcpy(pEP0_DataBuf, pDescr, len);
                            ep0_st.ep0_in = 1;      //置位表示当前IN事务正在上传
                            ep0_st.ep0_Send_Len -= len;     //记录剩下的需要发送的数据长度
                            pDescr += len;          //更新接下来需要发送的数据的起始地址,拷贝函数用
                            if(!ep0_st.ep0_Send_Len)
                            {
                                ep0_st.ep0_getting_report = 0;  //报表上传完毕，清标志
                            }
                            R8_UEP0_T_LEN = len;

                            if(ep0_st.ep0_1st_data)     //控制传输中第一个数据包同步切换为data1
                            {
                                R8_UEP0_CTRL = RB_UEP_R_TOG | RB_UEP_T_TOG | UEP_R_RES_ACK | UEP_T_RES_ACK;
                                ep0_st.ep0_1st_data = 0;    //清标志
                            }
                            else                        //第一个包之后同步切换
                            {
                                R8_UEP0_CTRL ^= RB_UEP_T_TOG;   // 同步切换。IN方向（对于单片机就是T方向）的PID中的DATA0和DATA1切换
                                R8_UEP0_CTRL = (R8_UEP0_CTRL & ~MASK_UEP_T_RES) | UEP_T_RES_ACK;
                            }

                            PRINT("S_%d\n", ep0_st.ep0_Send_Len);
                        }
    }
}

/*********************************************************************
 * @fn      DevEP1_OUT_Deal
 *
 * @brief   端点1数据处理
 *
 * @return  none
 */
void DevEP1_OUT_Deal(uint8_t l)
{ /* 用户可自定义 */
    uint8_t i;

    for(i = 0; i < l; i++)
    {
        pEP1_IN_DataBuf[i] = ~pEP1_OUT_DataBuf[i];
    }
    DevEP1_IN_Deal(l);
}

/*********************************************************************
 * @fn      DevEP2_OUT_Deal
 *
 * @brief   端点2数据处理
 *
 * @return  none
 */
void DevEP2_OUT_Deal(uint8_t l)
{ /* 用户可自定义 */
    uint8_t i;

    for(i = 0; i < l; i++)
    {
        pEP2_IN_DataBuf[i] = ~pEP2_OUT_DataBuf[i];
    }
    DevEP2_IN_Deal(l);
}

/*********************************************************************
 * @fn      DevEP3_OUT_Deal
 *
 * @brief   端点3数据处理
 *
 * @return  none
 */
void DevEP3_OUT_Deal(uint8_t l)
{ /* 用户可自定义 */
    uint8_t i;

    for(i = 0; i < l; i++)
    {
        pEP3_IN_DataBuf[i] = ~pEP3_OUT_DataBuf[i];
    }
    DevEP3_IN_Deal(l);
}

/*********************************************************************
 * @fn      DevEP4_OUT_Deal
 *
 * @brief   端点4数据处理
 *
 * @return  none
 */
void DevEP4_OUT_Deal(uint8_t l)
{ /* 用户可自定义 */
    uint8_t i;

    for(i = 0; i < l; i++)
    {
        pEP4_IN_DataBuf[i] = ~pEP4_OUT_DataBuf[i];
    }
    DevEP4_IN_Deal(l);
}

/*********************************************************************
 * @fn      USB_IRQHandler
 *
 * @brief   USB中断函数
 *
 * @return  none
 */
__INTERRUPT
__HIGH_CODE
void USB_IRQHandler(void) /* USB中断服务程序,使用寄存器组1 */
{
    USB_DevTransProcess();
}