void USB_EndPoint2 (U32 event) {
switch (event) {
case USB_EVT_OUT:
MSC_BulkOut();
break;
case USB_EVT_IN:
MSC_BulkIn();
break;
}
}
void USB_EndPoint2 (uint32_t event) {
#if USB_DMA
USB_DMA_DESCRIPTOR DD;
#endif
switch (event) {
case USB_EVT_OUT:
MSC_BulkOut();
break;
case USB_EVT_IN:
MSC_BulkIn();
break;
#if USB_DMA
case USB_EVT_OUT_DMA_EOT:
MSC_BulkOut();
// USB_DMA_Enable(MSC_EP_OUT); /* 11.08.09 USB_DMA_Enable is not necessary at this point */
break;
case USB_EVT_OUT_DMA_NDR: // new DMA Descriptor request
DD.BufAdr = (uint32_t)BulkBuf; // DMA Buffer Address
DD.BufLen = MSC_MAX_PACKET; // DMA Buffer Length in bytes
DD.MaxSize = MSC_MAX_PACKET; // Maximum packet size
DD.Cfg.Val = 0; // Initial DMA Configuration
DD.Cfg.Type.IsoEP = 0; // Non-Iso Endpoint
USB_DMA_Setup (MSC_EP_OUT, &DD); // Setup DMA
USB_DMA_Enable(MSC_EP_OUT); // Enable DMA
break;
case USB_EVT_IN_DMA_NDR: // new DMA Descriptor request
MSC_BulkIn();
break;
case USB_EVT_IN_DMA_EOT: // End of Transfer request
// MSC_BulkIn(); /* 11.08.09 MSC_BulkIn must only be called upon a DMA_NDR interrupt */
break;
#endif
}
}
void USB_EndPoint1 (uint32_t event) {
switch (event)
{
case USB_EVT_OUT_NAK:
MSC_BulkOutNak();
break;
case USB_EVT_OUT:
MSC_BulkOut();
break;
case USB_EVT_IN:
MSC_BulkIn();
break;
}
}
void MSC_ProcessCmd(void)
{
uint32_t i;
if (g_u8BulkState == BULK_NORMAL) {
g_u8BulkState = BULK_OUT;
MSC_ReceiveCBW(g_u32MassBase);
}
if (g_u8BulkState == BULK_CBW) {
/* Check Signature of CBW */
if ((*(uint32_t *)(g_u32MassBase) != CBW_SIGNATURE)) {
g_u8BulkState = BULK_NORMAL;
return;
}
/* Get the CBW */
for (i = 0; i < 31; i++)
*((uint8_t *) (&g_sCBW.dCBWSignature) + i) = *(uint8_t *)(g_u32MassBase + i);
/* Prepare to echo the tag from CBW to CSW */
g_sCSW.dCSWTag = g_sCBW.dCBWTag;
/* Parse Op-Code of CBW */
switch (g_sCBW.u8OPCode) {
case UFI_READ_10: {
/* Get LBA address */
g_u32LbaAddress = get_be32(&g_sCBW.au8Data[0]) * USBD_SECTOR_SIZE;
//MSC_ReadMedia(g_u32LbaAddress, g_sCBW.dCBWDataTransferLength, (uint8_t *)g_u32StorageBase);
MSC_BulkIn(g_u32StorageBase+g_u32LbaAddress, g_sCBW.dCBWDataTransferLength);
MSC_AckCmd(0);
break;
}
case UFI_WRITE_10: {
g_u32LbaAddress = get_be32(&g_sCBW.au8Data[0]) * USBD_SECTOR_SIZE;
MSC_BulkOut(g_u32StorageBase+g_u32LbaAddress, g_sCBW.dCBWDataTransferLength);
MSC_AckCmd(0);
break;
}
case UFI_PREVENT_ALLOW_MEDIUM_REMOVAL: {
if (g_sCBW.au8Data[2] & 0x01) {
g_au8SenseKey[0] = 0x05; //INVALID COMMAND
g_au8SenseKey[1] = 0x24;
g_au8SenseKey[2] = 0;
g_u8Prevent = 1;
} else
g_u8Prevent = 0;
MSC_AckCmd(0);
break;
}
case UFI_VERIFY_10:
case UFI_START_STOP:
case UFI_TEST_UNIT_READY: {
MSC_AckCmd(0);
break;
}
case UFI_REQUEST_SENSE: {
MSC_RequestSense();
MSC_AckCmd(0);
break;
}
case UFI_READ_FORMAT_CAPACITY: {
MSC_ReadFormatCapacity();
MSC_AckCmd(0);
break;
}
case UFI_READ_CAPACITY: {
MSC_ReadCapacity();
MSC_AckCmd(0);
break;
}
case UFI_MODE_SELECT_10: {
MSC_BulkOut(g_u32StorageBase, g_sCBW.dCBWDataTransferLength);
MSC_AckCmd(0);
break;
}
case UFI_MODE_SENSE_10: {
MSC_ModeSense10();
MSC_AckCmd(0);
break;
}
case UFI_MODE_SENSE_6: {
MSC_ModeSense6();
MSC_AckCmd(0);
break;
}
case UFI_INQUIRY: {
/* Bulk IN buffer */
USBD_MemCopy((uint8_t *)(g_u32MassBase), (uint8_t *)g_au8InquiryID, 36);
MSC_BulkIn(g_u32MassBase, g_sCBW.dCBWDataTransferLength);
MSC_AckCmd(0);
break;
}
default: {
/* Unsupported command */
g_au8SenseKey[0] = 0x05;
g_au8SenseKey[1] = 0x20;
g_au8SenseKey[2] = 0x00;
/* If CBW request for data phase, just return zero packet to end data phase */
if (g_sCBW.dCBWDataTransferLength > 0)
MSC_AckCmd(g_sCBW.dCBWDataTransferLength);
else
MSC_AckCmd(0);
}
}
}
}
