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| /******************** (C) COPYRIGHT 2008 STMicroelectronics ******************** |
| * File Name : usb_prop.c |
| * Author : MCD Application Team |
| * Date First Issued : 10/01/2008 : V1.0 |
| * Description : All processings related to Virtual Com Port Demo |
| ******************************************************************************** |
| * History: |
| * 10/01/2008 : V1.0 |
| ******************************************************************************** |
| * THE PRESENT SOFTWARE WHICH IS FOR GUIDANCE ONLY AIMS AT PROVIDING CUSTOMERS |
| * WITH CODING INFORMATION REGARDING THEIR PRODUCTS IN ORDER FOR THEM TO SAVE TIME. |
| * AS A RESULT, STMICROELECTRONICS SHALL NOT BE HELD LIABLE FOR ANY DIRECT, |
| * INDIRECT OR CONSEQUENTIAL DAMAGES WITH RESPECT TO ANY CLAIMS ARISING FROM THE |
| * CONTENT OF SUCH SOFTWARE AND/OR THE USE MADE BY CUSTOMERS OF THE CODING |
| * INFORMATION CONTAINED HEREIN IN CONNECTION WITH THEIR PRODUCTS. |
| *******************************************************************************/ |
| |
| /* Includes ------------------------------------------------------------------*/ |
| #include "usb.h" |
| #include "usb_lib.h" |
| #include "usb_conf.h" |
| #include "usb_prop.h" |
| #include "usb_desc.h" |
| #include "usb_pwr.h" |
| |
| /* Private typedef -----------------------------------------------------------*/ |
| /* Private define ------------------------------------------------------------*/ |
| /* Private macro -------------------------------------------------------------*/ |
| /* Private variables ---------------------------------------------------------*/ |
| u32 Request = 0; |
| |
| LINE_CODING linecoding = |
| { |
| 57600, /* baud rate*/ |
| 0x00, /* stop bits-1*/ |
| 0x00, /* parity - none*/ |
| 0x08 /* no. of bits 8*/ |
| }; |
| /* -------------------------------------------------------------------------- */ |
| /* Structures initializations */ |
| /* -------------------------------------------------------------------------- */ |
| |
| DEVICE Device_Table = { |
| EP_NUM, |
| 1 |
| }; |
| |
| DEVICE_PROP Device_Property = { |
| Virtual_Com_Port_init, |
| Virtual_Com_Port_Reset, |
| Virtual_Com_Port_Status_In, |
| Virtual_Com_Port_Status_Out, |
| Virtual_Com_Port_Data_Setup, |
| Virtual_Com_Port_NoData_Setup, |
| Virtual_Com_Port_Get_Interface_Setting, |
| Virtual_Com_Port_GetDeviceDescriptor, |
| Virtual_Com_Port_GetConfigDescriptor, |
| Virtual_Com_Port_GetStringDescriptor, |
| 0, |
| 0x40 /*MAX PACKET SIZE*/ |
| }; |
| USER_STANDARD_REQUESTS User_Standard_Requests = { |
| Virtual_Com_Port_GetConfiguration, |
| Virtual_Com_Port_SetConfiguration, |
| Virtual_Com_Port_GetInterface, |
| Virtual_Com_Port_SetInterface, |
| Virtual_Com_Port_GetStatus, |
| Virtual_Com_Port_ClearFeature, |
| Virtual_Com_Port_SetEndPointFeature, |
| Virtual_Com_Port_SetDeviceFeature, |
| Virtual_Com_Port_SetDeviceAddress |
| }; |
| |
| ONE_DESCRIPTOR Device_Descriptor = { |
| (u8*)Virtual_Com_Port_DeviceDescriptor, |
| VIRTUAL_COM_PORT_SIZ_DEVICE_DESC |
| }; |
| |
| ONE_DESCRIPTOR Config_Descriptor = { |
| (u8*)Virtual_Com_Port_ConfigDescriptor, |
| VIRTUAL_COM_PORT_SIZ_CONFIG_DESC |
| }; |
| |
| ONE_DESCRIPTOR String_Descriptor[5] = { |
| {(u8*)Virtual_Com_Port_StringLangID, VIRTUAL_COM_PORT_SIZ_STRING_LANGID}, |
| {(u8*)Virtual_Com_Port_StringVendor, VIRTUAL_COM_PORT_SIZ_STRING_VENDOR}, |
| {(u8*)Virtual_Com_Port_StringProduct, VIRTUAL_COM_PORT_SIZ_STRING_PRODUCT}, |
| {(u8*)Virtual_Com_Port_StringSerial, VIRTUAL_COM_PORT_SIZ_STRING_SERIAL} |
| |
| }; |
| /* Extern variables ----------------------------------------------------------*/ |
| /* Private function prototypes -----------------------------------------------*/ |
| /* Extern function prototypes ------------------------------------------------*/ |
| /* Private functions ---------------------------------------------------------*/ |
| /******************************************************************************* |
| * Function Name : Virtual_Com_Port_init |
| * Description : Virtual_Com_Port Mouse init routine |
| * Input : None. |
| * Output : None. |
| * Return : None. |
| *******************************************************************************/ |
| void Virtual_Com_Port_init(void) |
| { |
| |
| pInformation->Current_Configuration = 0; |
| /* Connect the device */ |
| PowerOn(); |
| /* USB interrupts initialization */ |
| _SetISTR(0); /* clear pending interrupts */ |
| wInterrupt_Mask = IMR_MSK; |
| _SetCNTR(wInterrupt_Mask); /* set interrupts mask */ |
| |
| //UART0_Config_Default(); |
| |
| bDeviceState = UNCONNECTED; |
| } |
| /******************************************************************************* |
| * Function Name : Virtual_Com_Port_Reset |
| * Description : Virtual_Com_Port Mouse reset routine |
| * Input : None. |
| * Output : None. |
| * Return : None. |
| *******************************************************************************/ |
| void Virtual_Com_Port_Reset(void) |
| { |
| /* Set Virtual_Com_Port_DEVICE as not configured */ |
| pInformation->Current_Configuration = 0; |
| pInformation->Current_Interface = 0;/*the default Interface*/ |
| |
| /* Current Feature initialization */ |
| pInformation->Current_Feature = Virtual_Com_Port_ConfigDescriptor[7]; |
| |
| SetBTABLE(BTABLE_ADDRESS); |
| |
| /* Initialize Endpoint 0 */ |
| 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); |
| |
| /* Initialize Endpoint 1 */ |
| SetEPType(ENDP1, EP_BULK); |
| SetEPTxAddr(ENDP1, ENDP1_TXADDR); |
| SetEPTxStatus(ENDP1, EP_TX_NAK); |
| SetEPRxStatus(ENDP1, EP_RX_DIS); |
| |
| /* Initialize Endpoint 2 */ |
| SetEPType(ENDP2, EP_INTERRUPT); |
| SetEPTxAddr(ENDP2, ENDP2_TXADDR); |
| SetEPRxStatus(ENDP2, EP_RX_DIS); |
| SetEPTxStatus(ENDP2, EP_TX_NAK); |
| |
| /* Initialize Endpoint 3 */ |
| SetEPType(ENDP3, EP_BULK); |
| SetEPRxAddr(ENDP3, ENDP3_RXADDR); |
| SetEPRxCount(ENDP3, VIRTUAL_COM_PORT_DATA_SIZE); |
| SetEPRxStatus(ENDP3, EP_RX_VALID); |
| SetEPTxStatus(ENDP3, EP_TX_DIS); |
| |
| /* Set this device to response on default address */ |
| SetDeviceAddress(0); |
| bDeviceState = ATTACHED; |
| } |
| |
| /******************************************************************************* |
| * Function Name : Virtual_Com_Port_SetConfiguration. |
| * Description : Udpade the device state to configured. |
| * Input : None. |
| * Output : None. |
| * Return : None. |
| *******************************************************************************/ |
| void Virtual_Com_Port_SetConfiguration(void) |
| { |
| DEVICE_INFO *pInfo = &Device_Info; |
| |
| if (pInfo->Current_Configuration != 0) |
| { |
| /* Device configured */ |
| bDeviceState = CONFIGURED; |
| } |
| } |
| /******************************************************************************* |
| * Function Name : Virtual_Com_Port_SetConfiguration. |
| * Description : Udpade the device state to addressed. |
| * Input : None. |
| * Output : None. |
| * Return : None. |
| *******************************************************************************/ |
| void Virtual_Com_Port_SetDeviceAddress (void) |
| { |
| bDeviceState = ADDRESSED; |
| } |
| /******************************************************************************* |
| * Function Name : Virtual_Com_Port_Status_In |
| * Description : |
| * Input : None. |
| * Output : None. |
| * Return : None. |
| *******************************************************************************/ |
| void Virtual_Com_Port_Status_In(void) |
| { |
| if (Request == SET_LINE_CODING) |
| { |
| //UART0_Config(); |
| Request = 0; |
| } |
| } |
| /******************************************************************************* |
| * Function Name : Virtual_Com_Port_Status_Out |
| * Description : |
| * Input : None. |
| * Output : None. |
| * Return : None. |
| *******************************************************************************/ |
| void Virtual_Com_Port_Status_Out (void) |
| {} |
| /******************************************************************************* |
| * Function Name : Virtual_Com_Port_Data_Setup |
| * Description : handle the data class specific requests |
| * Input : Request Nb. |
| * Output : None. |
| * Return : USB_UNSUPPORT or USB_SUCCESS. |
| *******************************************************************************/ |
| RESULT Virtual_Com_Port_Data_Setup(u8 RequestNo) |
| { |
| u8 *(*CopyRoutine)(u16); |
| |
| CopyRoutine = NULL; |
| |
| if (RequestNo == GET_LINE_CODING) |
| { |
| if (Type_Recipient == (CLASS_REQUEST | INTERFACE_RECIPIENT)) |
| CopyRoutine = Virtual_Com_Port_GetLineCoding; |
| } |
| else if (RequestNo == SET_LINE_CODING) |
| { |
| if (Type_Recipient == (CLASS_REQUEST | INTERFACE_RECIPIENT)) |
| CopyRoutine = Virtual_Com_Port_SetLineCoding; |
| Request = SET_LINE_CODING; |
| } |
| |
| if (CopyRoutine == NULL) return USB_UNSUPPORT; |
| |
| pInformation->Ctrl_Info.CopyData = CopyRoutine; |
| pInformation->Ctrl_Info.Usb_wOffset = 0; |
| (*CopyRoutine)(0); |
| return USB_SUCCESS; |
| } |
| /******************************************************************************* |
| * Function Name : Virtual_Com_Port_NoData_Setup |
| * Description : handle the no data class specific requests |
| * Input : Request Nb. |
| * Output : None. |
| * Return : USB_UNSUPPORT or USB_SUCCESS. |
| *******************************************************************************/ |
| RESULT Virtual_Com_Port_NoData_Setup(u8 RequestNo) |
| { |
| |
| if (Type_Recipient == (CLASS_REQUEST | INTERFACE_RECIPIENT)) |
| { |
| if (RequestNo == SET_COMM_FEATURE) return USB_SUCCESS; |
| else if (RequestNo == SET_CONTROL_LINE_STATE) return USB_SUCCESS; |
| } |
| |
| return USB_UNSUPPORT; |
| } |
| /******************************************************************************* |
| * Function Name : Virtual_Com_Port_GetDeviceDescriptor. |
| * Description : Gets the device descriptor. |
| * Input : Length |
| * Output : None. |
| * Return : The address of the device descriptor. |
| *******************************************************************************/ |
| u8 *Virtual_Com_Port_GetDeviceDescriptor(u16 Length) |
| { |
| return Standard_GetDescriptorData(Length, &Device_Descriptor); |
| } |
| /******************************************************************************* |
| * Function Name : Virtual_Com_Port_GetConfigDescriptor. |
| * Description : get the configuration descriptor. |
| * Input : Length |
| * Output : None. |
| * Return : The address of the configuration descriptor. |
| *******************************************************************************/ |
| u8 *Virtual_Com_Port_GetConfigDescriptor(u16 Length) |
| { |
| return Standard_GetDescriptorData(Length, &Config_Descriptor); |
| } |
| /******************************************************************************* |
| * Function Name : Virtual_Com_Port_GetStringDescriptor |
| * Description : Gets the string descriptors according to the needed index |
| * Input : Length |
| * Output : None. |
| * Return : The address of the string descriptors. |
| *******************************************************************************/ |
| u8 *Virtual_Com_Port_GetStringDescriptor(u16 Length) |
| { |
| u8 wValue0 = pInformation->USBwValue0; |
| |
| if (wValue0 > 5) |
| { |
| return NULL; |
| } |
| else |
| { |
| return Standard_GetDescriptorData(Length, &String_Descriptor[wValue0]); |
| } |
| } |
| /******************************************************************************* |
| * Function Name : Virtual_Com_Port_Get_Interface_Setting. |
| * Description : test the interface and the alternate setting according to the |
| * supported one. |
| * Input1 : u8: Interface : interface number. |
| * Input2 : u8: AlternateSetting : Alternate Setting number. |
| * Output : None. |
| * Return : The address of the string descriptors. |
| *******************************************************************************/ |
| RESULT Virtual_Com_Port_Get_Interface_Setting(u8 Interface, u8 AlternateSetting) |
| { |
| if (AlternateSetting > 0) |
| { |
| return USB_UNSUPPORT; |
| } |
| else if (Interface > 1) |
| { |
| return USB_UNSUPPORT; |
| } |
| return USB_SUCCESS; |
| } |
| /******************************************************************************* |
| * Function Name : Virtual_Com_Port_GetLineCoding. |
| * Description : send the linecoding structure to the PC host. |
| * Input : Length |
| * Output : None. |
| * Return : Inecoding structure base address. |
| *******************************************************************************/ |
| u8 *Virtual_Com_Port_GetLineCoding(u16 Length) |
| { |
| if (Length == 0) |
| { |
| pInformation->Ctrl_Info.Usb_wLength = sizeof(linecoding); |
| return NULL; |
| } |
| return(u8 *)&linecoding; |
| } |
| /******************************************************************************* |
| * Function Name : Virtual_Com_Port_SetLineCoding. |
| * Description : Set the linecoding structure fields. |
| * Input : Length |
| * Output : None |
| * Return : Linecoding structure base address. |
| *******************************************************************************/ |
| u8 *Virtual_Com_Port_SetLineCoding(u16 Length) |
| { |
| if (Length == 0) |
| { |
| pInformation->Ctrl_Info.Usb_wLength = sizeof(linecoding); |
| return NULL; |
| } |
| return(u8 *)&linecoding; |
| } |
| |
| /******************* (C) COPYRIGHT 2008 STMicroelectronics *****END OF FILE****/ |
| |
| |