/********************************** (C) COPYRIGHT ******************************* * File Name : CH59x_usbhost.c * Author : WCH * Version : V1.2 * Date : 2021/11/17 * Description ********************************************************************************* * Copyright (c) 2021 Nanjing Qinheng Microelectronics Co., Ltd. * Attention: This software (modified or not) and binary are used for * microcontroller manufactured by Nanjing Qinheng Microelectronics. *******************************************************************************/ #include "CH59x_common.h" #if DISK_LIB_ENABLE #include "CHRV3UFI.H" #endif /* 设置HID上传速率 */ __attribute__((aligned(4))) const uint8_t SetupSetHIDIdle[] = {0x21, HID_SET_IDLE, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00}; /* 获取HID设备报表描述符 */ __attribute__((aligned(4))) const uint8_t SetupGetHIDDevReport[] = {0x81, USB_GET_DESCRIPTOR, 0x00, USB_DESCR_TYP_REPORT, 0x00, 0x00, 0x41, 0x00}; /* 获取HUB描述符 */ __attribute__((aligned(4))) const uint8_t SetupGetHubDescr[] = {HUB_GET_HUB_DESCRIPTOR, HUB_GET_DESCRIPTOR, 0x00, USB_DESCR_TYP_HUB, 0x00, 0x00, sizeof(USB_HUB_DESCR), 0x00}; __attribute__((aligned(4))) uint8_t Com_Buffer[128]; // 定义用户临时缓冲区,枚举时用于处理描述符,枚举结束也可以用作普通临时缓冲区 /********************************************************************* * @fn AnalyzeHidIntEndp * * @brief 从描述符中分析出HID中断端点的地址,如果HubPortIndex是0保存到ROOTHUB，如果是非零值则保存到HUB下结构体 * * @param buf - 待分析数据缓冲区地址 HubPortIndex：0表示根HUB，非0表示外部HUB下的端口号 * * @return 端点数 */ uint8_t AnalyzeHidIntEndp(uint8_t *buf, uint8_t HubPortIndex) { uint8_t i, s, l; s = 0; if(HubPortIndex) { memset(DevOnHubPort[HubPortIndex - 1].GpVar, 0, sizeof(DevOnHubPort[HubPortIndex - 1].GpVar)); //清空数组 } else { memset(ThisUsbDev.GpVar, 0, sizeof(ThisUsbDev.GpVar)); //清空数组 } for(i = 0; i < ((PUSB_CFG_DESCR)buf)->wTotalLength; i += l) // 搜索中断端点描述符,跳过配置描述符和接口描述符 { if(((PUSB_ENDP_DESCR)(buf + i))->bDescriptorType == USB_DESCR_TYP_ENDP // 是端点描述符 && (((PUSB_ENDP_DESCR)(buf + i))->bmAttributes & USB_ENDP_TYPE_MASK) == USB_ENDP_TYPE_INTER // 是中断端点 && (((PUSB_ENDP_DESCR)(buf + i))->bEndpointAddress & USB_ENDP_DIR_MASK)) // 是IN端点 { // 保存中断端点的地址,位7用于同步标志位,清0 if(HubPortIndex) { DevOnHubPort[HubPortIndex - 1].GpVar[s] = ((PUSB_ENDP_DESCR)(buf + i))->bEndpointAddress & USB_ENDP_ADDR_MASK; } else { ThisUsbDev.GpVar[s] = ((PUSB_ENDP_DESCR)(buf + i))->bEndpointAddress & USB_ENDP_ADDR_MASK; // 中断端点的地址，可以根据需要保存wMaxPacketSize和bInterval } PRINT("%02x ", (uint16_t)ThisUsbDev.GpVar[s]); s++; if(s >= 4) { break; //只分析4个端点 } } l = ((PUSB_ENDP_DESCR)(buf + i))->bLength; // 当前描述符长度,跳过 if(l > 16) { break; } } PRINT("\n"); return (s); } /********************************************************************* * @fn AnalyzeBulkEndp * * @brief 分析出批量端点,GpVar[0]、GpVar[1]存放上传端点。GpVar[2]、GpVar[3]存放下传端点 * * @param buf - 待分析数据缓冲区地址 HubPortIndex：0表示根HUB，非0表示外部HUB下的端口号 * * @return 0 */ uint8_t AnalyzeBulkEndp(uint8_t *buf, uint8_t HubPortIndex) { uint8_t i, s1, s2, l; s1 = 0; s2 = 2; if(HubPortIndex) { memset(DevOnHubPort[HubPortIndex - 1].GpVar, 0, sizeof(DevOnHubPort[HubPortIndex - 1].GpVar)); //清空数组 } else { memset(ThisUsbDev.GpVar, 0, sizeof(ThisUsbDev.GpVar)); //清空数组 } for(i = 0; i < ((PUSB_CFG_DESCR)buf)->wTotalLength; i += l) // 搜索中断端点描述符,跳过配置描述符和接口描述符 { if((((PUSB_ENDP_DESCR)(buf + i))->bDescriptorType == USB_DESCR_TYP_ENDP) // 是端点描述符 && ((((PUSB_ENDP_DESCR)(buf + i))->bmAttributes & USB_ENDP_TYPE_MASK) == USB_ENDP_TYPE_BULK)) // 是中断端点 { if(HubPortIndex) { if(((PUSB_ENDP_DESCR)(buf + i))->bEndpointAddress & USB_ENDP_DIR_MASK) { DevOnHubPort[HubPortIndex - 1].GpVar[s1++] = ((PUSB_ENDP_DESCR)(buf + i))->bEndpointAddress & USB_ENDP_ADDR_MASK; } else { DevOnHubPort[HubPortIndex - 1].GpVar[s2++] = ((PUSB_ENDP_DESCR)(buf + i))->bEndpointAddress & USB_ENDP_ADDR_MASK; } } else { if(((PUSB_ENDP_DESCR)(buf + i))->bEndpointAddress & USB_ENDP_DIR_MASK) { ThisUsbDev.GpVar[s1++] = ((PUSB_ENDP_DESCR)(buf + i))->bEndpointAddress & USB_ENDP_ADDR_MASK; } else { ThisUsbDev.GpVar[s2++] = ((PUSB_ENDP_DESCR)(buf + i))->bEndpointAddress & USB_ENDP_ADDR_MASK; } } if(s1 == 2) { s1 = 1; } if(s2 == 4) { s2 = 3; } } l = ((PUSB_ENDP_DESCR)(buf + i))->bLength; // 当前描述符长度,跳过 if(l > 16) { break; } } return (0); } /********************************************************************* * @fn InitRootDevice * * @brief 初始化指定ROOT-HUB端口的USB设备 * * @param none * * @return 错误码 */ uint8_t InitRootDevice(void) { uint8_t i, s; uint8_t cfg, dv_cls, if_cls; PRINT("Reset host port\n"); ResetRootHubPort(); // 检测到设备后,复位相应端口的USB总线 for(i = 0, s = 0; i < 100; i++) { // 等待USB设备复位后重新连接,100mS超时 mDelaymS(1); if(EnableRootHubPort() == ERR_SUCCESS) { // 使能端口 i = 0; s++; if(s > 100) { break; // 已经稳定连接100mS } } } if(i) { // 复位后设备没有连接 DisableRootHubPort(); PRINT("Disable host port because of disconnect\n"); return (ERR_USB_DISCON); } SetUsbSpeed(ThisUsbDev.DeviceSpeed); // 设置当前USB速度 PRINT("GetDevDescr: "); s = CtrlGetDeviceDescr(); // 获取设备描述符 if(s == ERR_SUCCESS) { for(i = 0; i < ((PUSB_SETUP_REQ)SetupGetDevDescr)->wLength; i++) { PRINT("x%02X ", (uint16_t)(Com_Buffer[i])); } PRINT("\n"); ThisUsbDev.DeviceVID = ((PUSB_DEV_DESCR)Com_Buffer)->idVendor; //保存VID PID信息 ThisUsbDev.DevicePID = ((PUSB_DEV_DESCR)Com_Buffer)->idProduct; dv_cls = ((PUSB_DEV_DESCR)Com_Buffer)->bDeviceClass; s = CtrlSetUsbAddress(((PUSB_SETUP_REQ)SetupSetUsbAddr)->wValue); if(s == ERR_SUCCESS) { ThisUsbDev.DeviceAddress = ((PUSB_SETUP_REQ)SetupSetUsbAddr)->wValue; // 保存USB地址 PRINT("GetCfgDescr: "); s = CtrlGetConfigDescr(); if(s == ERR_SUCCESS) { for(i = 0; i < ((PUSB_CFG_DESCR)Com_Buffer)->wTotalLength; i++) { PRINT("x%02X ", (uint16_t)(Com_Buffer[i])); } PRINT("\n"); /* 分析配置描述符,获取端点数据/各端点地址/各端点大小等,更新变量endp_addr和endp_size等 */ cfg = ((PUSB_CFG_DESCR)Com_Buffer)->bConfigurationValue; if_cls = ((PUSB_CFG_DESCR_LONG)Com_Buffer)->itf_descr.bInterfaceClass; // 接口类代码 if((dv_cls == 0x00) && (if_cls == USB_DEV_CLASS_STORAGE)) { // 是USB存储类设备,基本上确认是U盘 #ifdef FOR_ROOT_UDISK_ONLY CHRV3DiskStatus = DISK_USB_ADDR; return (ERR_SUCCESS); } else { return (ERR_USB_UNSUPPORT); } #else s = CtrlSetUsbConfig(cfg); // 设置USB设备配置 if(s == ERR_SUCCESS) { ThisUsbDev.DeviceStatus = ROOT_DEV_SUCCESS; ThisUsbDev.DeviceType = USB_DEV_CLASS_STORAGE; PRINT("USB-Disk Ready\n"); SetUsbSpeed(1); // 默认为全速 return (ERR_SUCCESS); } } else if((dv_cls == 0x00) && (if_cls == USB_DEV_CLASS_PRINTER) && ((PUSB_CFG_DESCR_LONG)Com_Buffer)->itf_descr.bInterfaceSubClass == 0x01) { // 是打印机类设备 s = CtrlSetUsbConfig(cfg); // 设置USB设备配置 if(s == ERR_SUCCESS) { // 需保存端点信息以便主程序进行USB传输 ThisUsbDev.DeviceStatus = ROOT_DEV_SUCCESS; ThisUsbDev.DeviceType = USB_DEV_CLASS_PRINTER; PRINT("USB-Print Ready\n"); SetUsbSpeed(1); // 默认为全速 return (ERR_SUCCESS); } } else if((dv_cls == 0x00) && (if_cls == USB_DEV_CLASS_HID) && ((PUSB_CFG_DESCR_LONG)Com_Buffer)->itf_descr.bInterfaceSubClass <= 0x01) { // 是HID类设备,键盘/鼠标等 // 从描述符中分析出HID中断端点的地址 s = AnalyzeHidIntEndp(Com_Buffer, 0); // 从描述符中分析出HID中断端点的地址 PRINT("AnalyzeHidIntEndp %02x\n", (uint16_t)s); // 保存中断端点的地址,位7用于同步标志位,清0 if_cls = ((PUSB_CFG_DESCR_LONG)Com_Buffer)->itf_descr.bInterfaceProtocol; s = CtrlSetUsbConfig(cfg); // 设置USB设备配置 if(s == ERR_SUCCESS) { s = CtrlGetHIDDeviceReport(dv_cls); //获取报表描述符 if(s == ERR_SUCCESS) { for(i = 0; i < 64; i++) { PRINT("x%02X ", (uint16_t)(Com_Buffer[i])); } PRINT("\n"); } // 需保存端点信息以便主程序进行USB传输 ThisUsbDev.DeviceStatus = ROOT_DEV_SUCCESS; if(if_cls == 1) { ThisUsbDev.DeviceType = DEV_TYPE_KEYBOARD; // 进一步初始化,例如设备键盘指示灯LED等 PRINT("USB-Keyboard Ready\n"); SetUsbSpeed(1); // 默认为全速 return (ERR_SUCCESS); } else if(if_cls == 2) { ThisUsbDev.DeviceType = DEV_TYPE_MOUSE; // 为了以后查询鼠标状态,应该分析描述符,取得中断端口的地址,长度等信息 PRINT("USB-Mouse Ready\n"); SetUsbSpeed(1); // 默认为全速 return (ERR_SUCCESS); } s = ERR_USB_UNSUPPORT; } } else if(dv_cls == USB_DEV_CLASS_HUB) { // 是HUB类设备,集线器等 s = CtrlGetHubDescr(); if(s == ERR_SUCCESS) { PRINT("Max Port:%02X ", (((PXUSB_HUB_DESCR)Com_Buffer)->bNbrPorts)); ThisUsbDev.GpHUBPortNum = ((PXUSB_HUB_DESCR)Com_Buffer)->bNbrPorts; // 保存HUB的端口数量 if(ThisUsbDev.GpHUBPortNum > HUB_MAX_PORTS) { ThisUsbDev.GpHUBPortNum = HUB_MAX_PORTS; // 因为定义结构DevOnHubPort时人为假定每个HUB不超过HUB_MAX_PORTS个端口 } s = CtrlSetUsbConfig(cfg); // 设置USB设备配置 if(s == ERR_SUCCESS) { ThisUsbDev.DeviceStatus = ROOT_DEV_SUCCESS; ThisUsbDev.DeviceType = USB_DEV_CLASS_HUB; //需保存端点信息以便主程序进行USB传输,本来中断端点可用于HUB事件通知,但本程序使用查询状态控制传输代替 //给HUB各端口上电,查询各端口状态,初始化有设备连接的HUB端口,初始化设备 for(i = 1; i <= ThisUsbDev.GpHUBPortNum; i++) // 给HUB各端口都上电 { DevOnHubPort[i - 1].DeviceStatus = ROOT_DEV_DISCONNECT; // 清外部HUB端口上设备的状态 s = HubSetPortFeature(i, HUB_PORT_POWER); if(s != ERR_SUCCESS) { PRINT("Ext-HUB Port_%1d# power on error\n", (uint16_t)i); // 端口上电失败 } } PRINT("USB-HUB Ready\n"); SetUsbSpeed(1); // 默认为全速 return (ERR_SUCCESS); } } } else { // 可以进一步分析 s = CtrlSetUsbConfig(cfg); // 设置USB设备配置 if(s == ERR_SUCCESS) { // 需保存端点信息以便主程序进行USB传输 ThisUsbDev.DeviceStatus = ROOT_DEV_SUCCESS; ThisUsbDev.DeviceType = DEV_TYPE_UNKNOW; SetUsbSpeed(1); // 默认为全速 return (ERR_SUCCESS); /* 未知设备初始化成功 */ } } #endif } } } PRINT("InitRootDev Err = %02X\n", (uint16_t)s); #ifdef FOR_ROOT_UDISK_ONLY CHRV3DiskStatus = DISK_CONNECT; #else ThisUsbDev.DeviceStatus = ROOT_DEV_FAILED; #endif SetUsbSpeed(1); // 默认为全速 return (s); } /********************************************************************* * @fn InitDevOnHub * * @brief 初始化枚举外部HUB后的二级USB设备 * * @param HubPortIndex - 指定外部HUB * * @return 错误码 */ uint8_t InitDevOnHub(uint8_t HubPortIndex) { uint8_t i, s, cfg, dv_cls, if_cls; uint8_t ifc; PRINT("Init dev @ExtHub-port_%1d ", (uint16_t)HubPortIndex); if(HubPortIndex == 0) { return (ERR_USB_UNKNOWN); } SelectHubPort(HubPortIndex); // 选择操作指定的ROOT-HUB端口的外部HUB的指定端口,选择速度 PRINT("GetDevDescr: "); s = CtrlGetDeviceDescr(); // 获取设备描述符 if(s != ERR_SUCCESS) { return (s); } DevOnHubPort[HubPortIndex - 1].DeviceVID = ((uint16_t)((PUSB_DEV_DESCR)Com_Buffer)->idVendor); //保存VID PID信息 DevOnHubPort[HubPortIndex - 1].DevicePID = ((uint16_t)((PUSB_DEV_DESCR)Com_Buffer)->idProduct); dv_cls = ((PUSB_DEV_DESCR)Com_Buffer)->bDeviceClass; // 设备类代码 cfg = (1 << 4) + HubPortIndex; // 计算出一个USB地址,避免地址重叠 s = CtrlSetUsbAddress(cfg); // 设置USB设备地址 if(s != ERR_SUCCESS) { return (s); } DevOnHubPort[HubPortIndex - 1].DeviceAddress = cfg; // 保存分配的USB地址 PRINT("GetCfgDescr: "); s = CtrlGetConfigDescr(); // 获取配置描述符 if(s != ERR_SUCCESS) { return (s); } cfg = ((PUSB_CFG_DESCR)Com_Buffer)->bConfigurationValue; for(i = 0; i < ((PUSB_CFG_DESCR)Com_Buffer)->wTotalLength; i++) { PRINT("x%02X ", (uint16_t)(Com_Buffer[i])); } PRINT("\n"); /* 分析配置描述符,获取端点数据/各端点地址/各端点大小等,更新变量endp_addr和endp_size等 */ if_cls = ((PXUSB_CFG_DESCR_LONG)Com_Buffer)->itf_descr.bInterfaceClass; // 接口类代码 if(dv_cls == 0x00 && if_cls == USB_DEV_CLASS_STORAGE) // 是USB存储类设备,基本上确认是U盘 { AnalyzeBulkEndp(Com_Buffer, HubPortIndex); for(i = 0; i != 4; i++) { PRINT("%02x ", (uint16_t)DevOnHubPort[HubPortIndex - 1].GpVar[i]); } PRINT("\n"); s = CtrlSetUsbConfig(cfg); // 设置USB设备配置 if(s == ERR_SUCCESS) { DevOnHubPort[HubPortIndex - 1].DeviceStatus = ROOT_DEV_SUCCESS; DevOnHubPort[HubPortIndex - 1].DeviceType = USB_DEV_CLASS_STORAGE; PRINT("USB-Disk Ready\n"); SetUsbSpeed(1); // 默认为全速 return (ERR_SUCCESS); } } else if((dv_cls == 0x00) && (if_cls == USB_DEV_CLASS_HID) && (((PXUSB_CFG_DESCR_LONG)Com_Buffer)->itf_descr.bInterfaceSubClass <= 0x01)) // 是HID类设备,键盘/鼠标等 { ifc = ((PXUSB_CFG_DESCR_LONG)Com_Buffer)->cfg_descr.bNumInterfaces; s = AnalyzeHidIntEndp(Com_Buffer, HubPortIndex); // 从描述符中分析出HID中断端点的地址 PRINT("AnalyzeHidIntEndp %02x\n", (uint16_t)s); if_cls = ((PXUSB_CFG_DESCR_LONG)Com_Buffer)->itf_descr.bInterfaceProtocol; s = CtrlSetUsbConfig(cfg); // 设置USB设备配置 if(s == ERR_SUCCESS) { for(dv_cls = 0; dv_cls < ifc; dv_cls++) { s = CtrlGetHIDDeviceReport(dv_cls); //获取报表描述符 if(s == ERR_SUCCESS) { for(i = 0; i < 64; i++) { PRINT("x%02X ", (uint16_t)(Com_Buffer[i])); } PRINT("\n"); } } //需保存端点信息以便主程序进行USB传输 DevOnHubPort[HubPortIndex - 1].DeviceStatus = ROOT_DEV_SUCCESS; if(if_cls == 1) { DevOnHubPort[HubPortIndex - 1].DeviceType = DEV_TYPE_KEYBOARD; //进一步初始化,例如设备键盘指示灯LED等 if(ifc > 1) { PRINT("USB_DEV_CLASS_HID Ready\n"); DevOnHubPort[HubPortIndex - 1].DeviceType = USB_DEV_CLASS_HID; //复合HID设备 } PRINT("USB-Keyboard Ready\n"); SetUsbSpeed(1); // 默认为全速 return (ERR_SUCCESS); } else if(if_cls == 2) { DevOnHubPort[HubPortIndex - 1].DeviceType = DEV_TYPE_MOUSE; //为了以后查询鼠标状态,应该分析描述符,取得中断端口的地址,长度等信息 if(ifc > 1) { PRINT("USB_DEV_CLASS_HID Ready\n"); DevOnHubPort[HubPortIndex - 1].DeviceType = USB_DEV_CLASS_HID; //复合HID设备 } PRINT("USB-Mouse Ready\n"); SetUsbSpeed(1); // 默认为全速 return (ERR_SUCCESS); } s = ERR_USB_UNSUPPORT; } } else if(dv_cls == USB_DEV_CLASS_HUB) // 是HUB类设备,集线器等 { DevOnHubPort[HubPortIndex - 1].DeviceType = USB_DEV_CLASS_HUB; PRINT("This program don't support Level 2 HUB\n"); // 需要支持多级HUB级联请参考本程序进行扩展 s = HubClearPortFeature(i, HUB_PORT_ENABLE); // 禁止HUB端口 if(s != ERR_SUCCESS) { return (s); } s = ERR_USB_UNSUPPORT; } else //其他设备 { AnalyzeBulkEndp(Com_Buffer, HubPortIndex); //分析出批量端点 for(i = 0; i != 4; i++) { PRINT("%02x ", (uint16_t)DevOnHubPort[HubPortIndex - 1].GpVar[i]); } PRINT("\n"); s = CtrlSetUsbConfig(cfg); // 设置USB设备配置 if(s == ERR_SUCCESS) { //需保存端点信息以便主程序进行USB传输 DevOnHubPort[HubPortIndex - 1].DeviceStatus = ROOT_DEV_SUCCESS; DevOnHubPort[HubPortIndex - 1].DeviceType = dv_cls ? dv_cls : if_cls; SetUsbSpeed(1); // 默认为全速 return (ERR_SUCCESS); //未知设备初始化成功 } } PRINT("InitDevOnHub Err = %02X\n", (uint16_t)s); DevOnHubPort[HubPortIndex - 1].DeviceStatus = ROOT_DEV_FAILED; SetUsbSpeed(1); // 默认为全速 return (s); } /********************************************************************* * @fn EnumHubPort * * @brief 枚举指定ROOT-HUB端口上的外部HUB集线器的各个端口,检查各端口有无连接或移除事件并初始化二级USB设备 * * @param RootHubIndex - ROOT_HUB0和ROOT_HUB1 * * @return 错误码 */ uint8_t EnumHubPort() { uint8_t i, s; for(i = 1; i <= ThisUsbDev.GpHUBPortNum; i++) // 查询集线器的端口是否有变化 { SelectHubPort(0); // 选择操作指定的ROOT-HUB端口,设置当前USB速度以及被操作设备的USB地址 s = HubGetPortStatus(i); // 获取端口状态 if(s != ERR_SUCCESS) { return (s); // 可能是该HUB断开了 } if(((Com_Buffer[0] & (1 << (HUB_PORT_CONNECTION & 0x07))) && (Com_Buffer[2] & (1 << (HUB_C_PORT_CONNECTION & 0x07)))) || (Com_Buffer[2] == 0x10)) { // 发现有设备连接 DevOnHubPort[i - 1].DeviceStatus = ROOT_DEV_CONNECTED; // 有设备连接 DevOnHubPort[i - 1].DeviceAddress = 0x00; s = HubGetPortStatus(i); // 获取端口状态 if(s != ERR_SUCCESS) { return (s); // 可能是该HUB断开了 } DevOnHubPort[i - 1].DeviceSpeed = Com_Buffer[1] & (1 << (HUB_PORT_LOW_SPEED & 0x07)) ? 0 : 1; // 低速还是全速 if(DevOnHubPort[i - 1].DeviceSpeed) { PRINT("Found full speed device on port %1d\n", (uint16_t)i); } else { PRINT("Found low speed device on port %1d\n", (uint16_t)i); } mDelaymS(200); // 等待设备上电稳定 s = HubSetPortFeature(i, HUB_PORT_RESET); // 对有设备连接的端口复位 if(s != ERR_SUCCESS) { return (s); // 可能是该HUB断开了 } PRINT("Reset port and then wait in\n"); do // 查询复位端口,直到复位完成,把完成后的状态显示出来 { mDelaymS(1); s = HubGetPortStatus(i); if(s != ERR_SUCCESS) { return (s); // 可能是该HUB断开了 } } while(Com_Buffer[0] & (1 << (HUB_PORT_RESET & 0x07))); // 端口正在复位则等待 mDelaymS(100); s = HubClearPortFeature(i, HUB_C_PORT_RESET); // 清除复位完成标志 // s = HubSetPortFeature( i, HUB_PORT_ENABLE ); // 启用HUB端口 s = HubClearPortFeature(i, HUB_C_PORT_CONNECTION); // 清除连接或移除变化标志 if(s != ERR_SUCCESS) { return (s); } s = HubGetPortStatus(i); // 再读取状态,复查设备是否还在 if(s != ERR_SUCCESS) { return (s); } if((Com_Buffer[0] & (1 << (HUB_PORT_CONNECTION & 0x07))) == 0) { DevOnHubPort[i - 1].DeviceStatus = ROOT_DEV_DISCONNECT; // 设备不在了 } s = InitDevOnHub(i); // 初始化二级USB设备 if(s != ERR_SUCCESS) { return (s); } SetUsbSpeed(1); // 默认为全速 } else if(Com_Buffer[2] & (1 << (HUB_C_PORT_ENABLE & 0x07))) // 设备连接出错 { HubClearPortFeature(i, HUB_C_PORT_ENABLE); // 清除连接错误标志 PRINT("Device on port error\n"); s = HubSetPortFeature(i, HUB_PORT_RESET); // 对有设备连接的端口复位 if(s != ERR_SUCCESS) return (s); // 可能是该HUB断开了 do // 查询复位端口,直到复位完成,把完成后的状态显示出来 { mDelaymS(1); s = HubGetPortStatus(i); if(s != ERR_SUCCESS) return (s); // 可能是该HUB断开了 } while(Com_Buffer[0] & (1 << (HUB_PORT_RESET & 0x07))); // 端口正在复位则等待 } else if((Com_Buffer[0] & (1 << (HUB_PORT_CONNECTION & 0x07))) == 0) // 设备已经断开 { if(DevOnHubPort[i - 1].DeviceStatus >= ROOT_DEV_CONNECTED) { PRINT("Device on port %1d removed\n", (uint16_t)i); } DevOnHubPort[i - 1].DeviceStatus = ROOT_DEV_DISCONNECT; // 有设备连接 if(Com_Buffer[2] & (1 << (HUB_C_PORT_CONNECTION & 0x07))) { HubClearPortFeature(i, HUB_C_PORT_CONNECTION); // 清除移除变化标志 } } } return (ERR_SUCCESS); // 返回操作成功 } /********************************************************************* * @fn EnumAllHubPort * * @brief 枚举所有ROOT-HUB端口下外部HUB后的二级USB设备 * * @return 错误码 */ uint8_t EnumAllHubPort(void) { uint8_t s; if((ThisUsbDev.DeviceStatus >= ROOT_DEV_SUCCESS) && (ThisUsbDev.DeviceType == USB_DEV_CLASS_HUB)) // HUB枚举成功 { SelectHubPort(0); // 选择操作指定的ROOT-HUB端口,设置当前USB速度以及被操作设备的USB地址 s = EnumHubPort(); // 枚举指定ROOT-HUB端口上的外部HUB集线器的各个端口,检查各端口有无连接或移除事件 if(s != ERR_SUCCESS) // 可能是HUB断开了 { PRINT("EnumAllHubPort err = %02X\n", (uint16_t)s); } SetUsbSpeed(1); // 默认为全速 } return (ERR_SUCCESS); } /********************************************************************* * @fn SearchTypeDevice * * @brief 在ROOT-HUB以及外部HUB各端口上搜索指定类型的设备所在的端口号,输出端口号为0xFFFF则未搜索到. * 当然也可以根据USB的厂商VID产品PID进行搜索(事先要记录各设备的VID和PID),以及指定搜索序号 * * @param type - 搜索的设备类型 * * @return 输出高8位为ROOT-HUB端口号,低8位为外部HUB的端口号,低8位为0则设备直接在ROOT-HUB端口上 */ uint16_t SearchTypeDevice(uint8_t type) { uint8_t RootHubIndex; //CH554只有一个USB口,RootHubIndex = 0,只需看返回值的低八位即可 uint8_t HubPortIndex; RootHubIndex = 0; if((ThisUsbDev.DeviceType == USB_DEV_CLASS_HUB) && (ThisUsbDev.DeviceStatus >= ROOT_DEV_SUCCESS)) // 外部集线器HUB且枚举成功 { for(HubPortIndex = 1; HubPortIndex <= ThisUsbDev.GpHUBPortNum; HubPortIndex++) // 搜索外部HUB的各个端口 { if(DevOnHubPort[HubPortIndex - 1].DeviceType == type && DevOnHubPort[HubPortIndex - 1].DeviceStatus >= ROOT_DEV_SUCCESS) { return (((uint16_t)RootHubIndex << 8) | HubPortIndex); // 类型匹配且枚举成功 } } } if((ThisUsbDev.DeviceType == type) && (ThisUsbDev.DeviceStatus >= ROOT_DEV_SUCCESS)) { return ((uint16_t)RootHubIndex << 8); // 类型匹配且枚举成功,在ROOT-HUB端口上 } return (0xFFFF); } /********************************************************************* * @fn SETorOFFNumLock * * @brief NumLock的点灯判断 * * @param buf - 点灯键值 * * @return 错误码 */ uint8_t SETorOFFNumLock(uint8_t *buf) { uint8_t tmp[] = {0x21, 0x09, 0x00, 0x02, 0x00, 0x00, 0x01, 0x00}; uint8_t len, s; if((buf[2] == 0x53) & ((buf[0] | buf[1] | buf[3] | buf[4] | buf[5] | buf[6] | buf[7]) == 0)) { for(s = 0; s != sizeof(tmp); s++) { ((uint8_t *)pSetupReq)[s] = tmp[s]; } s = HostCtrlTransfer(Com_Buffer, &len); // 执行控制传输 if(s != ERR_SUCCESS) { return (s); } } return (ERR_SUCCESS); } /********************************************************************* * @fn CtrlGetHIDDeviceReport * * @brief 获取HID设备报表描述符,返回在TxBuffer中 * * @param none * * @return 错误码 */ uint8_t CtrlGetHIDDeviceReport(uint8_t infc) { uint8_t s; uint8_t len; CopySetupReqPkg(SetupSetHIDIdle); pSetupReq->wIndex = infc; s = HostCtrlTransfer(Com_Buffer, &len); // 执行控制传输 if(s != ERR_SUCCESS) { return (s); } CopySetupReqPkg(SetupGetHIDDevReport); pSetupReq->wIndex = infc; s = HostCtrlTransfer(Com_Buffer, &len); // 执行控制传输 if(s != ERR_SUCCESS) { return (s); } return (ERR_SUCCESS); } /********************************************************************* * @fn CtrlGetHubDescr * * @brief 获取HUB描述符,返回在Com_Buffer中 * * @param none * * @return 错误码 */ uint8_t CtrlGetHubDescr(void) { uint8_t s; uint8_t len; CopySetupReqPkg(SetupGetHubDescr); s = HostCtrlTransfer(Com_Buffer, &len); // 执行控制传输 if(s != ERR_SUCCESS) { return (s); } if(len < ((PUSB_SETUP_REQ)SetupGetHubDescr)->wLength) { return (ERR_USB_BUF_OVER); // 描述符长度错误 } // if ( len < 4 ) return( ERR_USB_BUF_OVER ); // 描述符长度错误 return (ERR_SUCCESS); } /********************************************************************* * @fn HubGetPortStatus * * @brief 查询HUB端口状态,返回在Com_Buffer中 * * @param HubPortIndex - 端口号 * * @return 错误码 */ uint8_t HubGetPortStatus(uint8_t HubPortIndex) { uint8_t s; uint8_t len; pSetupReq->bRequestType = HUB_GET_PORT_STATUS; pSetupReq->bRequest = HUB_GET_STATUS; pSetupReq->wValue = 0x0000; pSetupReq->wIndex = 0x0000 | HubPortIndex; pSetupReq->wLength = 0x0004; s = HostCtrlTransfer(Com_Buffer, &len); // 执行控制传输 if(s != ERR_SUCCESS) { return (s); } if(len < 4) { return (ERR_USB_BUF_OVER); // 描述符长度错误 } return (ERR_SUCCESS); } /********************************************************************* * @fn HubSetPortFeature * * @brief 设置HUB端口特性 * * @param HubPortIndex - 端口号 * @param FeatureSelt - 端口特性 * * @return 错误码 */ uint8_t HubSetPortFeature(uint8_t HubPortIndex, uint8_t FeatureSelt) { pSetupReq->bRequestType = HUB_SET_PORT_FEATURE; pSetupReq->bRequest = HUB_SET_FEATURE; pSetupReq->wValue = 0x0000 | FeatureSelt; pSetupReq->wIndex = 0x0000 | HubPortIndex; pSetupReq->wLength = 0x0000; return (HostCtrlTransfer(NULL, NULL)); // 执行控制传输 } /********************************************************************* * @fn HubClearPortFeature * * @brief 清除HUB端口特性 * * @param HubPortIndex - 端口号 * @param FeatureSelt - 端口特性 * * @return 错误码 */ uint8_t HubClearPortFeature(uint8_t HubPortIndex, uint8_t FeatureSelt) { pSetupReq->bRequestType = HUB_CLEAR_PORT_FEATURE; pSetupReq->bRequest = HUB_CLEAR_FEATURE; pSetupReq->wValue = 0x0000 | FeatureSelt; pSetupReq->wIndex = 0x0000 | HubPortIndex; pSetupReq->wLength = 0x0000; return (HostCtrlTransfer(NULL, NULL)); // 执行控制传输 }