/********************************** (C) COPYRIGHT ******************************* * File Name : usb_prop.c * Author : WCH * Version : V1.0.0 * Date : 2021/08/08 * Description : All processing related to Virtual Com Port Demo ********************************************************************************* * 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 "usb_prop.h" #include "hw_config.h" #include "usb_conf.h" #include "usb_desc.h" #include "usb_pwr.h" #include "periph/usb/cdc.h" uint8_t Request = 0; extern uint8_t USBD_Endp3_Busy; volatile uint8_t HID_Idle_Value[2] = {0}; volatile uint8_t HID_Protocol_Value[2] = {0}; DEVICE Device_Table = { EP_NUM, 1 }; DEVICE_PROP Device_Property = { USBD_init, USBD_Reset, USBD_Status_In, USBD_Status_Out, USBD_Data_Setup, USBD_NoData_Setup, USBD_Get_Interface_Setting, USBD_GetDeviceDescriptor, USBD_GetConfigDescriptor, USBD_GetStringDescriptor, 0, DEF_USBD_UEP0_SIZE }; USER_STANDARD_REQUESTS User_Standard_Requests = { USBD_GetConfiguration, USBD_SetConfiguration, USBD_GetInterface, USBD_SetInterface, USBD_GetStatus, USBD_ClearFeature, USBD_SetEndPointFeature, USBD_SetDeviceFeature, USBD_SetDeviceAddress }; ONE_DESCRIPTOR Device_Descriptor = { (uint8_t*)USBD_DeviceDescriptor, USBD_SIZE_DEVICE_DESC }; ONE_DESCRIPTOR Config_Descriptor = { (uint8_t*)USBD_ConfigDescriptor, USBD_SIZE_CONFIG_DESC }; ONE_DESCRIPTOR String_Descriptor[4] = { {(uint8_t*)USBD_StringLangID, USBD_SIZE_STRING_LANGID}, {(uint8_t*)USBD_StringVendor, USBD_SIZE_STRING_VENDOR}, {(uint8_t*)USBD_StringProduct,USBD_SIZE_STRING_PRODUCT}, {(uint8_t*)USBD_StringSerial, USBD_SIZE_STRING_SERIAL} }; ONE_DESCRIPTOR Report_Descriptor[1] = { {(uint8_t*)USBD_HidRepDesc, USBD_SIZE_REPORT_DESC}, }; ONE_DESCRIPTOR Hid_Descriptor[1] = { {(uint8_t*)&USBD_ConfigDescriptor[84], 0x09}, }; /********************************************************************* * @fn USBD_SetConfiguration. * * @brief Update the device state to configured. * * @return None. */ void USBD_SetConfiguration(void) { DEVICE_INFO *pInfo = &Device_Info; if (pInfo->Current_Configuration != 0) { bDeviceState = CONFIGURED; } } /******************************************************************************* * @fn USBD_SetDeviceAddress. * * @brief Update the device state to addressed. * * @return None. */ void USBD_SetDeviceAddress (void) { bDeviceState = ADDRESSED; } /********************************************************************* * @fn USBD_SetDeviceFeature. * * @brief SetDeviceFeature Routine. * * @return none */ void USBD_SetDeviceFeature (void) { } /********************************************************************* * @fn USBD_ClearFeature. * * @brief ClearFeature Routine. * * @return none */ void USBD_ClearFeature(void) { } /********************************************************************* * @fn USBD_Status_In. * * @brief USBD Status In Routine. * * @return None. */ void USBD_Status_In(void) { uint32_t Request_No = pInformation->USBbRequest; if (Type_Recipient == (CLASS_REQUEST | INTERFACE_RECIPIENT)) { if (Request_No == CDC_SET_LINE_CODING) { CDC_USB_Init(); } } } /******************************************************************************* * @fn USBD_Status_Out * * @brief USBD Status OUT Routine. * * @return None. */ void USBD_Status_Out(void) { } /******************************************************************************* * @fn USBD_init. * * @brief init routine. * * @return None. */ void USBD_init(void) { uint8_t i; volatile uint32_t timeout; pInformation->Current_Configuration = 0; PowerOn(); for (i = 0; i < 8; i++) { _SetENDPOINT(i,_GetENDPOINT(i) & 0x7F7F & EPREG_MASK);//all clear } _SetISTR((uint16_t)0x00FF);//all clear USB_SIL_Init(); bDeviceState = UNCONNECTED; usb_gpio_init(DISABLE, DISABLE); for (timeout = SystemCoreClock >> 5; timeout; timeout--); usb_gpio_init(ENABLE, ENABLE); } /******************************************************************************* * @fn USBD_Reset * * @brief USBD reset routine * * @return none */ void USBD_Reset(void) { pInformation->Current_Configuration = 0; pInformation->Current_Feature = USBD_ConfigDescriptor[7]; pInformation->Current_Interface = 0; SetBTABLE(BTABLE_ADDRESS); SetEPType(ENDP0, EP_CONTROL); SetEPTxStatus(ENDP0, EP_TX_STALL); SetEPRxAddr(ENDP0, ENDP0_RXADDR); SetEPTxAddr(ENDP0, ENDP0_TXADDR); Clear_Status_Out(ENDP0); SetEPRxCount(ENDP0, Device_Property.MaxPacketSize); SetEPRxValid(ENDP0); _ClearDTOG_RX(ENDP0); _ClearDTOG_TX(ENDP0); SetEPType(ENDP1, EP_INTERRUPT); SetEPTxStatus(ENDP1, EP_TX_NAK); SetEPTxAddr(ENDP1, ENDP1_TXADDR); SetEPRxStatus(ENDP1, EP_RX_DIS); _ClearDTOG_TX(ENDP1); _ClearDTOG_RX(ENDP1); SetEPType(ENDP2, EP_BULK); SetEPTxStatus(ENDP2, EP_TX_DIS); SetEPRxAddr(ENDP2, ENDP2_RXADDR); SetEPRxCount(ENDP2, DEF_USBD_MAX_PACK_SIZE); SetEPRxStatus(ENDP2,EP_RX_VALID); _ClearDTOG_RX(ENDP2); _ClearDTOG_TX(ENDP2); SetEPType(ENDP3, EP_BULK); SetEPTxStatus(ENDP3, EP_TX_NAK); SetEPTxAddr(ENDP3, ENDP3_TXADDR); SetEPRxStatus(ENDP3, EP_RX_DIS); _ClearDTOG_TX(ENDP3); _ClearDTOG_RX(ENDP3); USBD_Endp3_Busy = 0; SetEPType(ENDP4, EP_INTERRUPT); SetEPTxStatus(ENDP4, EP_TX_NAK); SetEPTxAddr(ENDP4, ENDP4_TXADDR); SetEPRxAddr(ENDP4, ENDP4_RXADDR); SetEPRxCount(ENDP4, DEF_USBD_MAX_PACK_SIZE); SetEPRxStatus(ENDP4, EP_RX_VALID ); _ClearDTOG_TX(ENDP4); _ClearDTOG_RX(ENDP4); SetDeviceAddress(0); USBD_Endp3_Busy = 0; bDeviceState = ATTACHED; } /********************************************************************* * @fn USBD_GetDeviceDescriptor. * * @brief Gets the device descriptor. * * @param Length. * * @return The address of the device descriptor. */ uint8_t *USBD_GetDeviceDescriptor(uint16_t Length) { return Standard_GetDescriptorData(Length, &Device_Descriptor); } /********************************************************************* * @fn USBD_GetConfigDescriptor. * * @brief get the configuration descriptor. * * @param Length. * * @return The address of the configuration descriptor. */ uint8_t *USBD_GetConfigDescriptor(uint16_t Length) { return Standard_GetDescriptorData(Length, &Config_Descriptor); } /********************************************************************* * @fn USBD_GetStringDescriptor * * @brief Gets the string descriptors according to the needed index * * @param Length. * * @return The address of the string descriptors. */ uint8_t *USBD_GetStringDescriptor(uint16_t Length) { uint8_t wValue0 = pInformation->USBwValue0; if (wValue0 > 4) { return NULL; } else { return Standard_GetDescriptorData(Length, &String_Descriptor[wValue0]); } } /********************************************************************* * @fn USBD_GetReportDescriptor * * @brief Gets the report descriptors according to the needed index * * @param Length. * * @return The address of the device descriptor. */ uint8_t *USBD_GetReportDescriptor(uint16_t Length) { return Standard_GetDescriptorData(Length, &Report_Descriptor[0]); } /********************************************************************* * @fn USBD_GetHidDescriptor * * @brief Gets the report descriptors according to the needed index * * @param Length. * * @return The address of the device descriptor. */ uint8_t *USBD_GetHidDescriptor(uint16_t Length) { return Standard_GetDescriptorData(Length, &Hid_Descriptor[0]); } /********************************************************************* * @fn USBD_Get_Interface_Setting. * * @brief test the interface and the alternate setting according to the * supported one. * * @param Interface - interface number. * AlternateSetting - Alternate Setting number. * * @return USB_UNSUPPORT or USB_SUCCESS. */ RESULT USBD_Get_Interface_Setting(uint8_t Interface, uint8_t AlternateSetting) { if (AlternateSetting > 0) { return USB_UNSUPPORT; } else if (Interface > 1) { return USB_UNSUPPORT; } return USB_SUCCESS; } /********************************************************************* * @fn USB_CDC_GetLineCoding. * * @brief send the linecoding structure to the PC host. * * @param Length * * @return Inecoding structure base address. */ uint8_t *USB_CDC_GetLineCoding( uint16_t Length ) { if( Length == 0 ) { pInformation->Ctrl_Info.Usb_wLength = 7; return( NULL ); } return (uint8_t *)&Cdc.Com_Cfg[ 0 ]; } /********************************************************************* * @fn USB_CDC_SetLineCoding. * * @brief Set the linecoding structure fields. * * @param Length * * @return Inecoding structure base address. */ uint8_t *USB_CDC_SetLineCoding( uint16_t Length ) { if( Length == 0 ) { pInformation->Ctrl_Info.Usb_wLength = 7; return( NULL ); } return(uint8_t *)&Cdc.Com_Cfg[ 0 ]; } /********************************************************************* * @fn USBD_Data_Setup * * @brief handle the data class specific requests * * @param Request Nb. * * @return USB_UNSUPPORT or USB_SUCCESS. */ RESULT USBD_Data_Setup(uint8_t RequestNo) { uint32_t Request_No; uint8_t *(*CopyRoutine)(uint16_t); uint8_t wValue1; Request_No = pInformation->USBbRequest; CopyRoutine = NULL; wValue1 = pInformation->USBwValue1; if (Type_Recipient == (STANDARD_REQUEST | INTERFACE_RECIPIENT)) { if (wValue1 == HID_REPORT_DESCRIPTOR) { CopyRoutine = USBD_GetReportDescriptor; } else if (wValue1 == HID_DESCRIPTOR) { CopyRoutine = USBD_GetHidDescriptor; } if (CopyRoutine) { pInformation->Ctrl_Info.CopyData = CopyRoutine; (*CopyRoutine)(0); } else { return USB_UNSUPPORT; } } else if (Type_Recipient == (CLASS_REQUEST | INTERFACE_RECIPIENT)) { if (Request_No == CDC_GET_LINE_CODING) { CopyRoutine = &USB_CDC_GetLineCoding; } else if (Request_No == CDC_SET_LINE_CODING) { CopyRoutine = &USB_CDC_SetLineCoding; } else { return USB_UNSUPPORT; } } if (CopyRoutine) { pInformation->Ctrl_Info.CopyData = CopyRoutine; pInformation->Ctrl_Info.Usb_wOffset = 0; (*CopyRoutine)( 0 ); } else { return( USB_UNSUPPORT ); } return USB_SUCCESS; } /********************************************************************* * @fn USBD_NoData_Setup. * * @brief handle the no data class specific requests. * * @param Request Nb. * * @return USB_UNSUPPORT or USB_SUCCESS. */ RESULT USBD_NoData_Setup(uint8_t RequestNo) { uint32_t Request_No = pInformation->USBbRequest; if (Type_Recipient == (CLASS_REQUEST | INTERFACE_RECIPIENT)) { if (Request_No == CDC_SET_LINE_CTLSTE) { } else if (Request_No == CDC_SEND_BREAK) { } else { return USB_UNSUPPORT; } } return USB_SUCCESS; }