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LibrePilot/flight/PiOS/STM32F4xx/pios_usbhook.c
Stacey Sheldon e2939dae2a revo usb: Add support for USB to Revo
2012-02-07 02:25:31 -05:00

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/**
******************************************************************************
* @addtogroup PIOS PIOS Core hardware abstraction layer
* @{
* @addtogroup PIOS_USBHOOK USB glue code
* @brief Glue between PiOS and STM32 libs
* @{
*
* @file pios_usbhook.c
* @author The OpenPilot Team, http://www.openpilot.org Copyright (C) 2010.
* @brief Glue between PiOS and STM32 libs
* @see The GNU Public License (GPL) Version 3
*
*****************************************************************************/
/*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful, but
* WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
* or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
* for more details.
*
* You should have received a copy of the GNU General Public License along
* with this program; if not, write to the Free Software Foundation, Inc.,
* 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
#include "pios.h"
#include "pios_usb.h" /* PIOS_USB_* */
#include "pios_usbhook.h"
#include "pios_usb_defs.h" /* struct usb_* */
#include "pios_usb_cdc_priv.h" /* PIOS_USB_CDC_* */
#include "pios_usb_board_data.h" /* PIOS_USB_BOARD_* */
/* STM32 USB Library Definitions */
#include "usb_core.h" /* USBD_Class_cb_TypeDef */
#include "usbd_core.h" /* USBD_Init USBD_OK*/
#include "usbd_ioreq.h" /* USBD_CtlPrepareRx, USBD_CtlSendData */
#include "usbd_req.h" /* USBD_CtlError */
#include "usb_dcd_int.h" /* USBD_OTG_ISR_Handler */
/*
* External API
*/
static struct pios_usbhook_descriptor Device_Descriptor;
void PIOS_USBHOOK_RegisterDevice(const uint8_t * desc, uint16_t length)
{
Device_Descriptor.descriptor = desc;
Device_Descriptor.length = length;
}
static struct pios_usbhook_descriptor String_Descriptor[4];
void PIOS_USBHOOK_RegisterString(enum usb_string_desc string_id, const uint8_t * desc, uint16_t desc_size)
{
if (string_id < NELEMENTS(String_Descriptor)) {
String_Descriptor[string_id].descriptor = desc;
String_Descriptor[string_id].length = desc_size;
}
}
static struct pios_usbhook_descriptor Config_Descriptor;
void PIOS_USBHOOK_RegisterConfig(uint8_t config_id, const uint8_t * desc, uint16_t desc_size)
{
Config_Descriptor.descriptor = desc;
Config_Descriptor.length = desc_size;
}
static USB_OTG_CORE_HANDLE pios_usb_otg_core_handle;
static USBD_Class_cb_TypeDef class_callbacks;
static USBD_DEVICE device_callbacks;
static USBD_Usr_cb_TypeDef user_callbacks;
void PIOS_USBHOOK_Activate(void)
{
USBD_Init(&pios_usb_otg_core_handle,
USB_OTG_FS_CORE_ID,
&device_callbacks,
&class_callbacks,
&user_callbacks);
}
void OTG_FS_IRQHandler(void)
{
if(!USBD_OTG_ISR_Handler(&pios_usb_otg_core_handle)) {
/* spurious interrupt, disable IRQ */
}
}
struct usb_if_entry {
struct pios_usb_ifops *ifops;
uint32_t context;
};
static struct usb_if_entry usb_if_table[3];
void PIOS_USBHOOK_RegisterIfOps(uint8_t ifnum, struct pios_usb_ifops * ifops, uint32_t context)
{
PIOS_Assert(ifnum < NELEMENTS(usb_if_table));
PIOS_Assert(ifops);
usb_if_table[ifnum].ifops = ifops;
usb_if_table[ifnum].context = context;
}
struct usb_ep_entry {
pios_usbhook_epcb cb;
uint32_t context;
uint16_t max_len;
};
static struct usb_ep_entry usb_epin_table[6];
void PIOS_USBHOOK_RegisterEpInCallback(uint8_t epnum, uint16_t max_len, pios_usbhook_epcb cb, uint32_t context)
{
PIOS_Assert(epnum < NELEMENTS(usb_epin_table));
PIOS_Assert(cb);
usb_epin_table[epnum].cb = cb;
usb_epin_table[epnum].context = context;
usb_epin_table[epnum].max_len = max_len;
DCD_EP_Open(&pios_usb_otg_core_handle,
epnum | 0x80,
max_len,
USB_OTG_EP_INT);
/*
* FIXME do not hardcode endpoint type
*/
}
extern void PIOS_USBHOOK_DeRegisterEpInCallback(uint8_t epnum)
{
PIOS_Assert(epnum < NELEMENTS(usb_epin_table));
usb_epin_table[epnum].cb = NULL;
DCD_EP_Close(&pios_usb_otg_core_handle, epnum | 0x80);
}
static struct usb_ep_entry usb_epout_table[6];
void PIOS_USBHOOK_RegisterEpOutCallback(uint8_t epnum, uint16_t max_len, pios_usbhook_epcb cb, uint32_t context)
{
PIOS_Assert(epnum < NELEMENTS(usb_epout_table));
PIOS_Assert(cb);
usb_epout_table[epnum].cb = cb;
usb_epout_table[epnum].context = context;
usb_epout_table[epnum].max_len = max_len;
DCD_EP_Open(&pios_usb_otg_core_handle,
epnum,
max_len,
USB_OTG_EP_INT);
/*
* FIXME do not hardcode endpoint type
*/
}
extern void PIOS_USBHOOK_DeRegisterEpOutCallback(uint8_t epnum)
{
PIOS_Assert(epnum < NELEMENTS(usb_epout_table));
usb_epout_table[epnum].cb = NULL;
DCD_EP_Close(&pios_usb_otg_core_handle, epnum);
}
void PIOS_USBHOOK_CtrlTx(const uint8_t *buf, uint16_t len)
{
USBD_CtlSendData(&pios_usb_otg_core_handle, buf, len);
}
void PIOS_USBHOOK_CtrlRx(uint8_t *buf, uint16_t len)
{
USBD_CtlPrepareRx(&pios_usb_otg_core_handle, buf, len);
}
void PIOS_USBHOOK_EndpointTx(uint8_t epnum, const uint8_t *buf, uint16_t len)
{
if (pios_usb_otg_core_handle.dev.device_status == USB_OTG_CONFIGURED) {
DCD_EP_Tx(&pios_usb_otg_core_handle, epnum, buf, len);
}
}
void PIOS_USBHOOK_EndpointRx(uint8_t epnum, uint8_t *buf, uint16_t len)
{
DCD_EP_PrepareRx(&pios_usb_otg_core_handle, epnum, buf, len);
}
/*
* Device level hooks into STM USB library
*/
static const uint8_t * PIOS_USBHOOK_DEV_GetDeviceDescriptor(uint8_t speed, uint16_t *length)
{
*length = Device_Descriptor.length;
return Device_Descriptor.descriptor;
}
static const uint8_t * PIOS_USBHOOK_DEV_GetLangIDStrDescriptor(uint8_t speed, uint16_t *length)
{
*length = String_Descriptor[USB_STRING_DESC_LANG].length;
return String_Descriptor[USB_STRING_DESC_LANG].descriptor;
}
static const uint8_t * PIOS_USBHOOK_DEV_GetManufacturerStrDescriptor(uint8_t speed, uint16_t *length)
{
*length = String_Descriptor[USB_STRING_DESC_VENDOR].length;
return String_Descriptor[USB_STRING_DESC_VENDOR].descriptor;
}
static const uint8_t * PIOS_USBHOOK_DEV_GetProductStrDescriptor(uint8_t speed, uint16_t *length)
{
*length = String_Descriptor[USB_STRING_DESC_PRODUCT].length;
return String_Descriptor[USB_STRING_DESC_PRODUCT].descriptor;
}
static const uint8_t * PIOS_USBHOOK_DEV_GetSerialStrDescriptor(uint8_t speed, uint16_t *length)
{
*length = String_Descriptor[USB_STRING_DESC_SERIAL].length;
return String_Descriptor[USB_STRING_DESC_SERIAL].descriptor;
}
static const uint8_t * PIOS_USBHOOK_DEV_GetConfigurationStrDescriptor(uint8_t speed, uint16_t *length)
{
return NULL;
}
static const uint8_t * PIOS_USBHOOK_DEV_GetInterfaceStrDescriptor(uint8_t speed, uint16_t *length)
{
return NULL;
}
static USBD_DEVICE device_callbacks = {
.GetDeviceDescriptor = PIOS_USBHOOK_DEV_GetDeviceDescriptor,
.GetLangIDStrDescriptor = PIOS_USBHOOK_DEV_GetLangIDStrDescriptor,
.GetManufacturerStrDescriptor = PIOS_USBHOOK_DEV_GetManufacturerStrDescriptor,
.GetProductStrDescriptor = PIOS_USBHOOK_DEV_GetProductStrDescriptor,
.GetSerialStrDescriptor = PIOS_USBHOOK_DEV_GetSerialStrDescriptor,
.GetConfigurationStrDescriptor = PIOS_USBHOOK_DEV_GetConfigurationStrDescriptor,
.GetInterfaceStrDescriptor = PIOS_USBHOOK_DEV_GetInterfaceStrDescriptor,
};
static void PIOS_USBHOOK_USR_Init(void)
{
PIOS_USB_ChangeConnectionState(false);
#if 1
/* Force a physical disconnect/reconnect */
DCD_DevDisconnect(&pios_usb_otg_core_handle);
DCD_DevConnect(&pios_usb_otg_core_handle);
#endif
}
static void PIOS_USBHOOK_USR_DeviceReset(uint8_t speed)
{
PIOS_USB_ChangeConnectionState(false);
}
static void PIOS_USBHOOK_USR_DeviceConfigured(void)
{
PIOS_USB_ChangeConnectionState(true);
}
static void PIOS_USBHOOK_USR_DeviceSuspended(void)
{
/* Unhandled */
}
static void PIOS_USBHOOK_USR_DeviceResumed(void)
{
/* Unhandled */
}
static void PIOS_USBHOOK_USR_DeviceConnected(void)
{
/* NOP */
}
static void PIOS_USBHOOK_USR_DeviceDisconnected(void)
{
PIOS_USB_ChangeConnectionState(false);
}
static USBD_Usr_cb_TypeDef user_callbacks = {
.Init = PIOS_USBHOOK_USR_Init,
.DeviceReset = PIOS_USBHOOK_USR_DeviceReset,
.DeviceConfigured = PIOS_USBHOOK_USR_DeviceConfigured,
.DeviceSuspended = PIOS_USBHOOK_USR_DeviceSuspended,
.DeviceResumed = PIOS_USBHOOK_USR_DeviceResumed,
.DeviceConnected = PIOS_USBHOOK_USR_DeviceConnected,
.DeviceDisconnected = PIOS_USBHOOK_USR_DeviceDisconnected,
};
static uint8_t PIOS_USBHOOK_CLASS_Init(void *pdev, uint8_t cfgidx)
{
/* Call all of the registered init callbacks */
for (uint8_t i = 0; i < NELEMENTS(usb_if_table); i++) {
struct usb_if_entry * usb_if = &(usb_if_table[i]);
if (usb_if->ifops && usb_if->ifops->init) {
usb_if->ifops->init(usb_if->context);
}
}
return USBD_OK;
}
static uint8_t PIOS_USBHOOK_CLASS_DeInit(void *pdev, uint8_t cfgidx)
{
/* Call all of the registered deinit callbacks */
for (uint8_t i = 0; i < NELEMENTS(usb_if_table); i++) {
struct usb_if_entry * usb_if = &(usb_if_table[i]);
if (usb_if->ifops && usb_if->ifops->deinit) {
usb_if->ifops->deinit(usb_if->context);
}
}
return USBD_OK;
}
static struct usb_setup_request usb_ep0_active_req;
static uint8_t PIOS_USBHOOK_CLASS_Setup(void *pdev, USB_SETUP_REQ *req)
{
switch (req->bmRequest & (USB_REQ_TYPE_MASK | USB_REQ_RECIPIENT_MASK)) {
case (USB_REQ_TYPE_STANDARD | USB_REQ_RECIPIENT_INTERFACE):
case (USB_REQ_TYPE_CLASS | USB_REQ_RECIPIENT_INTERFACE):
{
uint8_t ifnum = LOBYTE(req->wIndex);
if ((ifnum < NELEMENTS(usb_if_table)) &&
(usb_if_table[ifnum].ifops && usb_if_table[ifnum].ifops->setup)) {
usb_if_table[ifnum].ifops->setup(usb_if_table[ifnum].context,
(struct usb_setup_request *)req);
if (req->bmRequest & 0x80 && req->wLength > 0) {
/* Request is a host-to-device data setup packet, keep track of the request details for the EP0_RxRead call */
usb_ep0_active_req.bmRequestType = req->bmRequest;
usb_ep0_active_req.bRequest = req->bRequest;
usb_ep0_active_req.wValue = req->wValue;
usb_ep0_active_req.wIndex = req->wIndex;
usb_ep0_active_req.wLength = req->wLength;
}
} else {
/* No Setup handler or Setup handler failed */
USBD_CtlError (&pios_usb_otg_core_handle, req);
}
break;
}
default:
/* Unhandled Setup */
USBD_CtlError (&pios_usb_otg_core_handle, req);
break;
}
return USBD_OK;
}
static uint8_t PIOS_USBHOOK_CLASS_EP0_TxSent(void *pdev)
{
return USBD_OK;
}
static uint8_t PIOS_USBHOOK_CLASS_EP0_RxReady(void *pdev)
{
uint8_t ifnum = LOBYTE(usb_ep0_active_req.wIndex);
if ((ifnum < NELEMENTS(usb_if_table)) &&
(usb_if_table[ifnum].ifops && usb_if_table[ifnum].ifops->ctrl_data_out)) {
usb_if_table[ifnum].ifops->ctrl_data_out(usb_if_table[ifnum].context,
&usb_ep0_active_req);
}
return USBD_OK;
}
static uint8_t PIOS_USBHOOK_CLASS_DataIn(void *pdev, uint8_t epnum)
{
/* Make sure the previous transfer has completed before starting a new one */
DCD_EP_Flush(pdev, epnum); /* NOT SURE IF THIS IS REQUIRED */
/* Remove the direction bit so we can use this as an index */
epnum = epnum & 0xF;
if ((epnum < NELEMENTS(usb_epin_table)) && usb_epin_table[epnum].cb) {
struct usb_ep_entry *ep = &(usb_epin_table[epnum]);
ep->cb(ep->context, epnum, ep->max_len);
}
return USBD_OK;
}
static uint8_t PIOS_USBHOOK_CLASS_DataOut(void *pdev, uint8_t epnum)
{
/* Remove the direction bit so we can use this as an index */
epnum = epnum & 0xF;
if ((epnum < NELEMENTS(usb_epout_table)) && usb_epout_table[epnum].cb) {
struct usb_ep_entry *ep = &(usb_epout_table[epnum]);
ep->cb(ep->context, epnum, ep->max_len);
}
return USBD_OK;
}
static uint8_t PIOS_USBHOOK_CLASS_SOF(void *pdev)
{
return USBD_OK;
}
static uint8_t PIOS_USBHOOK_CLASS_IsoINIncomplete(void *pdev)
{
return USBD_OK;
}
static uint8_t PIOS_USBHOOK_CLASS_IsoOUTIncomplete(void *pdev)
{
return USBD_OK;
}
static const uint8_t * PIOS_USBHOOK_CLASS_GetConfigDescriptor(uint8_t speed, uint16_t *length)
{
*length = Config_Descriptor.length;
return Config_Descriptor.descriptor;
}
#ifdef USB_OTG_HS_CORE
static const uint8_t * PIOS_USBHOOK_CLASS_GetOtherConfigDescriptor(uint8_t speed, uint16_t *length)
{
return PIOS_USBHOOK_CLASS_GetConfigDescriptor(speed, length);
}
#endif /* USB_OTG_HS_CORE */
#ifdef USB_SUPPORT_USER_STRING_DESC
static const uint8_t * PIOS_USBHOOK_CLASS_GetUsrStrDescriptor(uint8_t speed, uint8_t index, uint16_t *length)
{
return NULL;
}
#endif /* USB_SUPPORT_USER_STRING_DESC */
static USBD_Class_cb_TypeDef class_callbacks = {
.Init = PIOS_USBHOOK_CLASS_Init,
.DeInit = PIOS_USBHOOK_CLASS_DeInit,
.Setup = PIOS_USBHOOK_CLASS_Setup,
.EP0_TxSent = PIOS_USBHOOK_CLASS_EP0_TxSent,
.EP0_RxReady = PIOS_USBHOOK_CLASS_EP0_RxReady,
.DataIn = PIOS_USBHOOK_CLASS_DataIn,
.DataOut = PIOS_USBHOOK_CLASS_DataOut,
.SOF = PIOS_USBHOOK_CLASS_SOF,
.IsoINIncomplete = PIOS_USBHOOK_CLASS_IsoINIncomplete,
.IsoOUTIncomplete = PIOS_USBHOOK_CLASS_IsoOUTIncomplete,
.GetConfigDescriptor = PIOS_USBHOOK_CLASS_GetConfigDescriptor,
#ifdef USB_OTG_HS_CORE
.GetOtherConfigDescriptor = PIOS_USBHOOK_CLASS_GetOtherConfigDescriptor,
#endif /* USB_OTG_HS_CORE */
#ifdef USB_SUPPORT_USER_STRING_DESC
.GetUsrStrDescriptor = PIOS_USBHOOK_CLASS_GetUsrStrDescriptor,
#endif /* USB_SUPPORT_USER_STRING_DESC */
};
#if 0
#include "stm32f10x.h" /* __IO */
__IO uint8_t EXTI_Enable;
uint32_t ProtocolValue;
DEVICE Device_Table = {
PIOS_USB_BOARD_EP_NUM,
1
};
static void PIOS_USBHOOK_Init(void);
static void PIOS_USBHOOK_Reset(void);
static void PIOS_USBHOOK_Status_In(void);
static void PIOS_USBHOOK_Status_Out(void);
static RESULT PIOS_USBHOOK_Data_Setup(uint8_t RequestNo);
static RESULT PIOS_USBHOOK_NoData_Setup(uint8_t RequestNo);
static RESULT PIOS_USBHOOK_Get_Interface_Setting(uint8_t Interface, uint8_t AlternateSetting);
static const uint8_t *PIOS_USBHOOK_GetDeviceDescriptor(uint16_t Length);
static const uint8_t *PIOS_USBHOOK_GetConfigDescriptor(uint16_t Length);
static const uint8_t *PIOS_USBHOOK_GetStringDescriptor(uint16_t Length);
DEVICE_PROP Device_Property = {
.Init = PIOS_USBHOOK_Init,
.Reset = PIOS_USBHOOK_Reset,
.Process_Status_IN = PIOS_USBHOOK_Status_In,
.Process_Status_OUT = PIOS_USBHOOK_Status_Out,
.Class_Data_Setup = PIOS_USBHOOK_Data_Setup,
.Class_NoData_Setup = PIOS_USBHOOK_NoData_Setup,
.Class_Get_Interface_Setting = PIOS_USBHOOK_Get_Interface_Setting,
.GetDeviceDescriptor = PIOS_USBHOOK_GetDeviceDescriptor,
.GetConfigDescriptor = PIOS_USBHOOK_GetConfigDescriptor,
.GetStringDescriptor = PIOS_USBHOOK_GetStringDescriptor,
.RxEP_buffer = 0,
.MaxPacketSize = 0x40,
};
static void PIOS_USBHOOK_SetConfiguration(void);
static void PIOS_USBHOOK_SetDeviceAddress(void);
USER_STANDARD_REQUESTS User_Standard_Requests = {
.User_GetConfiguration = NOP_Process,
.User_SetConfiguration = PIOS_USBHOOK_SetConfiguration,
.User_GetInterface = NOP_Process,
.User_SetInterface = NOP_Process,
.User_GetStatus = NOP_Process,
.User_ClearFeature = NOP_Process,
.User_SetEndPointFeature = NOP_Process,
.User_SetDeviceFeature = NOP_Process,
.User_SetDeviceAddress = PIOS_USBHOOK_SetDeviceAddress
};
static RESULT PIOS_USBHOOK_SetProtocol(void);
static const uint8_t *PIOS_USBHOOK_GetProtocolValue(uint16_t Length);
static const uint8_t *PIOS_USBHOOK_GetReportDescriptor(uint16_t Length);
static const uint8_t *PIOS_USBHOOK_GetHIDDescriptor(uint16_t Length);
/*******************************************************************************
* Function Name : PIOS_USBHOOK_Init.
* Description : Custom HID init routine.
* Input : None.
* Output : None.
* Return : None.
*******************************************************************************/
static void PIOS_USBHOOK_Init(void)
{
pInformation->Current_Configuration = 0;
/* Connect the device */
PowerOn();
/* Perform basic device initialization operations */
USB_SIL_Init();
bDeviceState = UNCONNECTED;
}
/*******************************************************************************
* Function Name : PIOS_USBHOOK_Reset.
* Description : Custom HID reset routine.
* Input : None.
* Output : None.
* Return : None.
*******************************************************************************/
static void PIOS_USBHOOK_Reset(void)
{
/* Set DEVICE as not configured */
pInformation->Current_Configuration = 0;
pInformation->Current_Interface = 0; /*the default Interface */
/* Current Feature initialization */
pInformation->Current_Feature = 0;
#ifdef STM32F10X_CL
/* EP0 is already configured in DFU_Init() by USB_SIL_Init() function */
/* Init EP1 IN as Interrupt endpoint */
OTG_DEV_EP_Init(EP1_IN, OTG_DEV_EP_TYPE_INT, 2);
/* Init EP1 OUT as Interrupt endpoint */
OTG_DEV_EP_Init(EP1_OUT, OTG_DEV_EP_TYPE_INT, 2);
#else
SetBTABLE(BTABLE_ADDRESS);
/* Initialize Endpoint 0 (Control) */
SetEPType(ENDP0, EP_CONTROL);
SetEPTxAddr(ENDP0, ENDP0_TXADDR);
SetEPTxStatus(ENDP0, EP_TX_STALL);
Clear_Status_Out(ENDP0);
SetEPRxAddr(ENDP0, ENDP0_RXADDR);
SetEPRxCount(ENDP0, Device_Property.MaxPacketSize);
SetEPRxValid(ENDP0);
#if defined(PIOS_INCLUDE_USB_HID)
/* Initialize Endpoint 1 (HID) */
SetEPType(ENDP1, EP_INTERRUPT);
SetEPTxAddr(ENDP1, ENDP1_TXADDR);
SetEPTxCount(ENDP1, PIOS_USB_BOARD_HID_DATA_LENGTH);
SetEPTxStatus(ENDP1, EP_TX_NAK);
SetEPRxAddr(ENDP1, ENDP1_RXADDR);
SetEPRxCount(ENDP1, PIOS_USB_BOARD_HID_DATA_LENGTH);
SetEPRxStatus(ENDP1, EP_RX_VALID);
#endif /* PIOS_INCLUDE_USB_HID */
#if defined(PIOS_INCLUDE_USB_CDC)
/* Initialize Endpoint 2 (CDC Call Control) */
SetEPType(ENDP2, EP_INTERRUPT);
SetEPTxAddr(ENDP2, ENDP2_TXADDR);
SetEPTxStatus(ENDP2, EP_TX_NAK);
SetEPRxAddr(ENDP2, ENDP2_RXADDR);
SetEPRxCount(ENDP2, PIOS_USB_BOARD_CDC_MGMT_LENGTH);
SetEPRxStatus(ENDP2, EP_RX_DIS);
/* Initialize Endpoint 3 (CDC Data) */
SetEPType(ENDP3, EP_BULK);
SetEPTxAddr(ENDP3, ENDP3_TXADDR);
SetEPTxStatus(ENDP3, EP_TX_NAK);
SetEPRxAddr(ENDP3, ENDP3_RXADDR);
SetEPRxCount(ENDP3, PIOS_USB_BOARD_CDC_DATA_LENGTH);
SetEPRxStatus(ENDP3, EP_RX_VALID);
#endif /* PIOS_INCLUDE_USB_CDC */
/* Set this device to response on default address */
SetDeviceAddress(0);
#endif /* STM32F10X_CL */
bDeviceState = ATTACHED;
}
/*******************************************************************************
* Function Name : PIOS_USBHOOK_SetConfiguration.
* Description : Update the device state to configured
* Input : None.
* Output : None.
* Return : None.
*******************************************************************************/
static void PIOS_USBHOOK_SetConfiguration(void)
{
if (pInformation->Current_Configuration != 0) {
/* Device configured */
bDeviceState = CONFIGURED;
}
/* Enable transfers */
PIOS_USB_ChangeConnectionState(pInformation->Current_Configuration != 0);
}
/*******************************************************************************
* Function Name : PIOS_USBHOOK_SetConfiguration.
* Description : Update the device state to addressed.
* Input : None.
* Output : None.
* Return : None.
*******************************************************************************/
static void PIOS_USBHOOK_SetDeviceAddress(void)
{
bDeviceState = ADDRESSED;
}
/*******************************************************************************
* Function Name : PIOS_USBHOOK_Status_In.
* Description : status IN routine.
* Input : None.
* Output : None.
* Return : None.
*******************************************************************************/
static void PIOS_USBHOOK_Status_In(void)
{
}
/*******************************************************************************
* Function Name : PIOS_USBHOOK_Status_Out
* Description : status OUT routine.
* Input : None.
* Output : None.
* Return : None.
*******************************************************************************/
static void PIOS_USBHOOK_Status_Out(void)
{
}
/*******************************************************************************
* Function Name : PIOS_USBHOOK_Data_Setup
* Description : Handle the data class specific requests.
* Input : Request Nb.
* Output : None.
* Return : USB_UNSUPPORT or USB_SUCCESS.
*******************************************************************************/
static RESULT PIOS_USBHOOK_Data_Setup(uint8_t RequestNo)
{
const uint8_t *(*CopyRoutine) (uint16_t);
CopyRoutine = NULL;
switch (Type_Recipient) {
case (STANDARD_REQUEST | INTERFACE_RECIPIENT):
switch (pInformation->USBwIndex0) {
case 0: /* HID Interface */
switch (RequestNo) {
case GET_DESCRIPTOR:
switch (pInformation->USBwValue1) {
case USB_DESC_TYPE_REPORT:
CopyRoutine = PIOS_USBHOOK_GetReportDescriptor;
break;
case USB_DESC_TYPE_HID:
CopyRoutine = PIOS_USBHOOK_GetHIDDescriptor;
break;
}
}
}
break;
case (CLASS_REQUEST | INTERFACE_RECIPIENT):
switch (pInformation->USBwIndex0) {
case 0: /* HID Interface */
switch (RequestNo) {
case GET_PROTOCOL:
CopyRoutine = PIOS_USBHOOK_GetProtocolValue;
break;
}
break;
#if defined(PIOS_INCLUDE_USB_CDC)
case 1: /* CDC Call Control Interface */
switch (RequestNo) {
case GET_LINE_CODING:
CopyRoutine = PIOS_USB_CDC_GetLineCoding;
break;
}
break;
case 2: /* CDC Data Interface */
switch (RequestNo) {
case 0:
break;
}
break;
#endif /* PIOS_INCLUDE_USB_CDC */
}
break;
}
if (CopyRoutine == NULL) {
return USB_UNSUPPORT;
}
pInformation->Ctrl_Info.CopyDataIn = CopyRoutine;
pInformation->Ctrl_Info.Usb_wOffset = 0;
(*CopyRoutine) (0);
return USB_SUCCESS;
}
/*******************************************************************************
* Function Name : PIOS_USBHOOK_NoData_Setup
* Description : handle the no data class specific requests
* Input : Request Nb.
* Output : None.
* Return : USB_UNSUPPORT or USB_SUCCESS.
*******************************************************************************/
static RESULT PIOS_USBHOOK_NoData_Setup(uint8_t RequestNo)
{
switch (Type_Recipient) {
case (CLASS_REQUEST | INTERFACE_RECIPIENT):
switch (pInformation->USBwIndex0) {
case 0: /* HID */
switch (RequestNo) {
case SET_PROTOCOL:
return PIOS_USBHOOK_SetProtocol();
break;
}
break;
#if defined(PIOS_INCLUDE_USB_CDC)
case 1: /* CDC Call Control Interface */
switch (RequestNo) {
case SET_LINE_CODING:
return PIOS_USB_CDC_SetLineCoding();
break;
case SET_CONTROL_LINE_STATE:
return PIOS_USB_CDC_SetControlLineState();
break;
}
break;
#endif /* PIOS_INCLUDE_USB_CDC */
}
break;
}
return USB_UNSUPPORT;
}
/*******************************************************************************
* Function Name : PIOS_USBHOOK_GetDeviceDescriptor.
* Description : Gets the device descriptor.
* Input : Length
* Output : None.
* Return : The address of the device descriptor.
*******************************************************************************/
static const uint8_t *PIOS_USBHOOK_GetDeviceDescriptor(uint16_t Length)
{
return Standard_GetDescriptorData(Length, &Device_Descriptor);
}
/*******************************************************************************
* Function Name : PIOS_USBHOOK_GetConfigDescriptor.
* Description : Gets the configuration descriptor.
* Input : Length
* Output : None.
* Return : The address of the configuration descriptor.
*******************************************************************************/
static const uint8_t *PIOS_USBHOOK_GetConfigDescriptor(uint16_t Length)
{
return Standard_GetDescriptorData(Length, &Config_Descriptor);
}
/*******************************************************************************
* Function Name : PIOS_USBHOOK_GetStringDescriptor
* Description : Gets the string descriptors according to the needed index
* Input : Length
* Output : None.
* Return : The address of the string descriptors.
*******************************************************************************/
static const uint8_t *PIOS_USBHOOK_GetStringDescriptor(uint16_t Length)
{
uint8_t wValue0 = pInformation->USBwValue0;
if (wValue0 > 4) {
return NULL;
} else {
return Standard_GetDescriptorData(Length, &String_Descriptor[wValue0]);
}
}
/*******************************************************************************
* Function Name : PIOS_USBHOOK_GetReportDescriptor.
* Description : Gets the HID report descriptor.
* Input : Length
* Output : None.
* Return : The address of the configuration descriptor.
*******************************************************************************/
static const uint8_t *PIOS_USBHOOK_GetReportDescriptor(uint16_t Length)
{
return Standard_GetDescriptorData(Length, &Hid_Report_Descriptor);
}
/*******************************************************************************
* Function Name : PIOS_USBHOOK_GetHIDDescriptor.
* Description : Gets the HID descriptor.
* Input : Length
* Output : None.
* Return : The address of the configuration descriptor.
*******************************************************************************/
static const uint8_t *PIOS_USBHOOK_GetHIDDescriptor(uint16_t Length)
{
return Standard_GetDescriptorData(Length, &Hid_Interface_Descriptor);
}
/*******************************************************************************
* Function Name : PIOS_USBHOOK_Get_Interface_Setting.
* Description : tests the interface and the alternate setting according to the
* supported one.
* Input : - Interface : interface number.
* - AlternateSetting : Alternate Setting number.
* Output : None.
* Return : USB_SUCCESS or USB_UNSUPPORT.
*******************************************************************************/
static RESULT PIOS_USBHOOK_Get_Interface_Setting(uint8_t Interface, uint8_t AlternateSetting)
{
if (AlternateSetting > 0) {
return USB_UNSUPPORT;
} else if (Interface > 0) {
return USB_UNSUPPORT;
}
return USB_SUCCESS;
}
/*******************************************************************************
* Function Name : PIOS_USBHOOK_SetProtocol
* Description : Set Protocol request routine.
* Input : None.
* Output : None.
* Return : USB SUCCESS.
*******************************************************************************/
static RESULT PIOS_USBHOOK_SetProtocol(void)
{
uint8_t wValue0 = pInformation->USBwValue0;
ProtocolValue = wValue0;
return USB_SUCCESS;
}
/*******************************************************************************
* Function Name : PIOS_USBHOOK_GetProtocolValue
* Description : get the protocol value
* Input : Length.
* Output : None.
* Return : address of the protcol value.
*******************************************************************************/
static const uint8_t *PIOS_USBHOOK_GetProtocolValue(uint16_t Length)
{
if (Length == 0) {
pInformation->Ctrl_Info.Usb_wLength = 1;
return NULL;
} else {
return (uint8_t *) (&ProtocolValue);
}
}
/******************* (C) COPYRIGHT 2010 STMicroelectronics *****END OF FILE****/
#endif
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