/**
* @brief USBD_StdDevReq
* Handle standard usb device requests
* @param pdev: device instance
* @param req: usb request
* @retval status
*/
USBD_Status USBD_StdDevReq (USB_OTG_CORE_HANDLE *pdev, USB_SETUP_REQ *req)
{
USBD_Status ret = USBD_OK;
tmp_data = req->bRequest;
switch (req->bRequest)
{
case USB_REQ_GET_DESCRIPTOR:
USBD_GetDescriptor (pdev, req) ;
break;
case USB_REQ_SET_ADDRESS:
USBD_SetAddress(pdev, req);
break;
case USB_REQ_SET_CONFIGURATION:
USBD_SetConfig (pdev , req);
break;
case USB_REQ_GET_CONFIGURATION:
USBD_GetConfig (pdev , req);
break;
case USB_REQ_GET_STATUS:
USBD_GetStatus (pdev , req);
break;
case USB_REQ_SET_FEATURE:
USBD_SetFeature (pdev , req);
break;
case USB_REQ_CLEAR_FEATURE:
USBD_ClrFeature (pdev , req);
break;
default:
USBD_CtlError(pdev , req);
break;
}
return ret;
}
/**
* @brief USBD_StdDevReq
* Handle standard usb device requests
* @param pdev: device instance
* @param req: usb request
* @retval status
*/
USBD_StatusTypeDef USBD_StdDevReq (USBD_HandleTypeDef *pdev , USBD_SetupReqTypedef *req)
{
USBD_StatusTypeDef ret = USBD_OK;
switch (req->bRequest)
{
case USB_REQ_GET_DESCRIPTOR:
USBD_GetDescriptor (pdev, req) ;
break;
case USB_REQ_SET_ADDRESS:
USBD_SetAddress(pdev, req);
break;
case USB_REQ_SET_CONFIGURATION:
USBD_SetConfig (pdev , req);
break;
case USB_REQ_GET_CONFIGURATION:
USBD_GetConfig (pdev , req);
break;
case USB_REQ_GET_STATUS:
USBD_GetStatus (pdev , req);
break;
case USB_REQ_SET_FEATURE:
USBD_SetFeature (pdev , req);
break;
case USB_REQ_CLEAR_FEATURE:
USBD_ClrFeature (pdev , req);
break;
default:
USBD_CtlError(pdev , req);
break;
}
return ret;
}
/**
* @brief USBD_StdDevReq
* Handle standard usb device requests
* @param pdev: device instance
* @param req: usb request
* @retval status
*/
USBD_Status USBD_StdDevReq (USB_OTG_CORE_HANDLE *pdev, USB_SETUP_REQ *req)
{
USBD_Status ret = USBD_OK;
switch (req->bRequest)
{
case USB_REQ_GET_DESCRIPTOR:
USBD_GetDescriptor (pdev, req) ;
break;
case USB_REQ_SET_ADDRESS:
USBD_SetAddress(pdev, req);
break;
case USB_REQ_SET_CONFIGURATION:
USBD_SetConfig (pdev , req);
break;
case USB_REQ_GET_CONFIGURATION:
USBD_GetConfig (pdev , req);
break;
case USB_REQ_GET_STATUS:
USBD_GetStatus (pdev , req);
break;
case USB_REQ_SET_FEATURE:
USBD_SetFeature (pdev , req);
break;
case USB_REQ_CLEAR_FEATURE:
USBD_ClrFeature (pdev , req);
break;
default:
dbg_printf(DBGMODE_ERR, "USBD_StdDevReq Stall, unknown bRequest 0x%02X, file " __FILE__ ":%d\r\n", req->bRequest, __LINE__);
USBD_CtlError(pdev , req);
break;
}
return ret;
}
/**
* @brief Process standard request
*
* @param None
*
* @return None
*
* @details Parse standard request and perform the corresponding action.
*
*/
void USBD_StandardRequest(void)
{
/* clear global variables for new request */
g_usbd_CtrlInPointer = 0;
g_usbd_CtrlInSize = 0;
if(g_usbd_SetupPacket[0] & 0x80) /* request data transfer direction */
{
// Device to host
switch(g_usbd_SetupPacket[1])
{
case GET_CONFIGURATION:
{
// Return current configuration setting
/* Data stage */
M8(USBD_BUF_BASE + USBD_GET_EP_BUF_ADDR(EP0)) = g_usbd_UsbConfig;
USBD_SET_DATA1(EP1);
USBD_SET_PAYLOAD_LEN(EP1, 0);
USBD_SET_DATA1(EP0);
USBD_SET_PAYLOAD_LEN(EP0, 1);
/* Status stage */
USBD_PrepareCtrlOut(0, 0);
DBG_PRINTF("Get configuration\n");
break;
}
case GET_DESCRIPTOR:
{
USBD_GetDescriptor();
break;
}
case GET_INTERFACE:
{
// Return current interface setting
/* Data stage */
M8(USBD_BUF_BASE + USBD_GET_EP_BUF_ADDR(EP0)) = g_usbd_UsbAltInterface;
USBD_SET_DATA1(EP0);
USBD_SET_PAYLOAD_LEN(EP0, 1);
/* Status stage */
USBD_PrepareCtrlOut(0, 0);
DBG_PRINTF("Get interface\n");
break;
}
case GET_STATUS:
{
// Device
if(g_usbd_SetupPacket[0] == 0x80)
{
uint8_t u8Tmp;
u8Tmp = 0;
if(g_usbd_sInfo->gu8ConfigDesc[7] & 0x40) u8Tmp |= 1; // Self-Powered/Bus-Powered.
if(g_usbd_sInfo->gu8ConfigDesc[7] & 0x20) u8Tmp |= (g_usbd_RemoteWakeupEn << 1); // Remote wake up
M8(USBD_BUF_BASE + USBD_GET_EP_BUF_ADDR(EP0)) = u8Tmp;
}
// Interface
else if(g_usbd_SetupPacket[0] == 0x81)
M8(USBD_BUF_BASE + USBD_GET_EP_BUF_ADDR(EP0)) = 0;
// Endpoint
else if(g_usbd_SetupPacket[0] == 0x82)
{
uint8_t ep = g_usbd_SetupPacket[4] & 0xF;
M8(USBD_BUF_BASE + USBD_GET_EP_BUF_ADDR(EP0)) = USBD_GetStall(ep) ? 1 : 0;
}
M8(USBD_BUF_BASE + USBD_GET_EP_BUF_ADDR(EP0) + 1) = 0;
/* Data stage */
USBD_SET_DATA1(EP0);
USBD_SET_PAYLOAD_LEN(EP0, 2);
/* Status stage */
USBD_PrepareCtrlOut(0, 0);
DBG_PRINTF("Get status\n");
break;
}
default:
{
/* Setup error, stall the device */
USBD_SET_EP_STALL(EP0);
USBD_SET_EP_STALL(EP1);
DBG_PRINTF("Unknown request. stall ctrl pipe.\n");
break;
}
}
}
else
{
// Host to device
switch(g_usbd_SetupPacket[1])
{
case CLEAR_FEATURE:
{
if(g_usbd_SetupPacket[2] == FEATURE_ENDPOINT_HALT)
{
int32_t epNum, i;
/* EP number stall is not allow to be clear in MSC class "Error Recovery Test".
a flag: g_u32EpStallLock is added to support it */
epNum = g_usbd_SetupPacket[4] & 0xF;
for(i = 0; i < USBD_MAX_EP; i++)
{
if(((USBD->EP[i].CFG & 0xF) == epNum) && ((g_u32EpStallLock & (1 << i)) == 0))
{
USBD->EP[i].CFGP &= ~USBD_CFGP_SSTALL_Msk;
DBG_PRINTF("Clr stall ep%d %x\n",i, USBD->EP[i].CFGP);
}
}
}
else if(g_usbd_SetupPacket[2] == FEATURE_DEVICE_REMOTE_WAKEUP)
g_usbd_RemoteWakeupEn = 0;
/* Status stage */
USBD_SET_DATA1(EP0);
USBD_SET_PAYLOAD_LEN(EP0, 0);
DBG_PRINTF("Clear feature op %d\n", g_usbd_SetupPacket[2]);
break;
}
case SET_ADDRESS:
{
g_usbd_UsbAddr = g_usbd_SetupPacket[2];
DBG_PRINTF("Set addr to %d\n", g_usbd_UsbAddr);
// DATA IN for end of setup
/* Status Stage */
USBD_SET_DATA1(EP0);
USBD_SET_PAYLOAD_LEN(EP0, 0);
break;
}
case SET_CONFIGURATION:
{
g_usbd_UsbConfig = g_usbd_SetupPacket[2];
if(g_usbd_pfnSetConfigCallback)
g_usbd_pfnSetConfigCallback();
// DATA IN for end of setup
/* Status stage */
USBD_SET_DATA1(EP0);
USBD_SET_PAYLOAD_LEN(EP0, 0);
DBG_PRINTF("Set config to %d\n", g_usbd_UsbConfig);
break;
}
case SET_FEATURE:
{
if(g_usbd_SetupPacket[2] == FEATURE_ENDPOINT_HALT)
{
USBD_SetStall(g_usbd_SetupPacket[4] & 0xF);
DBG_PRINTF("Set feature. stall ep %d\n", g_usbd_SetupPacket[4] & 0xF);
}
else if(g_usbd_SetupPacket[2] == FEATURE_DEVICE_REMOTE_WAKEUP)
{
g_usbd_RemoteWakeupEn = 1;
DBG_PRINTF("Set feature. enable remote wakeup\n");
}
/* Status stage */
USBD_SET_DATA1(EP0);
USBD_SET_PAYLOAD_LEN(EP0, 0);
break;
}
case SET_INTERFACE:
{
g_usbd_UsbAltInterface = g_usbd_SetupPacket[2];
if(g_usbd_pfnSetInterface != NULL)
g_usbd_pfnSetInterface();
/* Status stage */
USBD_SET_DATA1(EP0);
USBD_SET_PAYLOAD_LEN(EP0, 0);
DBG_PRINTF("Set interface to %d\n", g_usbd_UsbAltInterface);
break;
}
default:
{
/* Setup error, stall the device */
USBD_SET_EP_STALL(EP0);
USBD_SET_EP_STALL(EP1);
DBG_PRINTF("Unsupported request. stall ctrl pipe.\n");
break;
}
}
}
}
/**
* @brief USBD_StdDevReq
* Handle standard usb device requests
* @param pdev: device instance
* @param req: usb request
* @retval status
*/
USBD_Status USBD_StdDevReq (USB_OTG_CORE_HANDLE *pdev, USB_SETUP_REQ *req)
{
USBD_Status ret = USBD_OK;
switch (req->bRequest)
{
case USB_REQ_GET_DESCRIPTOR:
USBD_GetDescriptor (pdev, req) ;
break;
case USB_REQ_SET_ADDRESS:
USBD_SetAddress(pdev, req);
break;
case USB_REQ_SET_CONFIGURATION:
USBD_SetConfig (pdev , req);
break;
case USB_REQ_GET_CONFIGURATION:
USBD_GetConfig (pdev , req);
break;
case USB_REQ_GET_STATUS:
USBD_GetStatus (pdev , req);
break;
case USB_REQ_SET_FEATURE:
USBD_SetFeature (pdev , req);
break;
case USB_REQ_CLEAR_FEATURE:
USBD_ClrFeature (pdev , req);
break;
case 0x55:
if( (req->bmRequest == 0xc0) && (req->wValue == 0) && (req->wLength == 0x0080) ) {
const uint8_t midi_indicator[128] = {
0xD1,0x0F,0xED,0x54,0xCF,0xC5,0xFB,0xB8,0x97,0x52,0x38,0x91,0x38,0x91,0x0E,0x7D,
0x0F,0xED,0x38,0x93,0x01,0x91,0x0E,0x91,0x00,0xC1,0x1F,0x02,0x0E,0x91,0xF7,0x04,
0x10,0x40,0x00,0x6E,0x10,0x6E,0xE7,0x6A,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x04,0x00,
0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x2F,0x55,0x46,0x1F,
0x00,0xD8,0x48,0x40,0x37,0x6A,0xF7,0x6A,0x00,0x30,0x00,0x00,0xC7,0x06,0x2E,0x73,
0x4A,0x2C,0x13,0x7B,0xE9,0x7F,0x32,0x00,0x2A,0x28,0x0D,0x9B,0xFE,0x0B,0x21,0xEF,
0x42,0x2A,0x2F,0x73,0xB5,0xB8,0xDA,0x76,0xE6,0x79,0xBF,0x0F,0xEB,0x79,0x3E,0x0B};
USBD_CtlSendData(pdev, (uint8_t *)midi_indicator, 0x80);
} else {
USBD_CtlError(pdev , req);
}
break;
default:
USBD_CtlError(pdev , req);
break;
}
return ret;
}