?? usbbulk.c
字號:
#include "HAL4D13.h"#include "usbBulk.h"#include "UFI.h"static USB_CSW usbCSW;int usb_ep2_handler(USB_BULK_FSM* bulkFsmStatus){/*--Read the EP2 out buffer--*/ printf("In the EP2 Handler FSM status:%d\n",bulkFsmStatus->usbBulkFSMStatus);//first check the intr status switch(bulkFsmStatus->usbBulkFSMStatus){ case USB_BULK_IDLE: printf("CBW\n"); uartPrintf("CBW\n"); usbBulkCBWHandler(bulkFsmStatus); break; case USB_BULK_CBW: break; case USB_BULK_DATA_IN: break; case USB_BULK_DATA_OUT: uartPrintf("EP2 Data Out\n"); usbBulkDataOutHandler(bulkFsmStatus); break; case USB_BULK_CSW: break; case USB_BULK_STALL: break; default: uartprintf("EP1 STALL!\n"); usleep(10000); bulkFsmStatus->usbBulkFSMStatus = USB_BULK_STALL; usb_1362_epx_stall(EP1); //usb_1362_epx_stall(EP2); usleep(1000); usb_1362_epx_unstall(EP1); //usb_1362_epx_unstall(EP2); bulkFsmStatus->CSWStatus = CSW_BAD; //usbBulkCSWHandler(bulkFsmStatus); break; }/*--Analyze Bulk CBW--*/// if()/*--Do the UFI cmd--*/}int usb_ep1_handler(USB_BULK_FSM*bulkFsmStatus){printf("ep1 handler\n");///*--Change FSM Status--*/// if(bulkFsmStatus->usbBulkFSMStatus == USB_BULK_CBW)// bulkFsmStatus->usbBulkFSMStatus = USB_BULK_CSW;/*--finish the data transfer--*/ if(bulkFsmStatus->usbBulkFSMStatus == USB_BULK_CSW) usbBulkCSWHandler(bulkFsmStatus); if(bulkFsmStatus->usbBulkFSMStatus == USB_BULK_DATA_IN) usbBulkDataInHandler(bulkFsmStatus);; if(bulkFsmStatus->usbBulkFSMStatus == USB_BULK_DATA_OUT) ; if(bulkFsmStatus->usbBulkFSMStatus == USB_BULK_STALL) usbBulkCSWHandler(bulkFsmStatus);/**/ //bulkFsmStatus->usbBulkFSMStatus = USB_BULK_IDLE;}int analyzeBulkCBW(char *buf) {}int usbBulkCBWHandler(USB_BULK_FSM*bulkFsmStatus){ int bufLength; int i; //buffer full if((bulkFsmStatus->usbBulkEPOutStatus & 0x60) && (bulkFsmStatus->usbBulkFSMStatus == USB_BULK_IDLE)){/*--check fsm status--*/ bufLength = usb_1362_device_epx_read(EP2,bulkFsmStatus->CBWbuf); debugShowBuf(bulkFsmStatus->CBWbuf,bufLength); printf("EP2: buf length %d\n",bufLength); if(bufLength == CBW_LENGTH){ bulkFsmStatus->usbBulkFSMStatus = USB_BULK_CBW; //get signature memcpy(bulkFsmStatus->dCBWSignatureBuf,(char *)(bulkFsmStatus->CBWbuf),4); //get cbw tag memcpy(bulkFsmStatus->dCBWTagBuf,(bulkFsmStatus->CBWbuf)+4,4); //bulkFsmStatus->dCBWTagBuf = (bulkFsmStatus->CBWbuf)+4; //get data to transfer //bulkFsmStatus->dCBWDataTransferLength = (int)(*(bulkFsmStatus->CBWbuf+8)); memcpy((char *)&(bulkFsmStatus->dCBWDataTransferLength), (char *)(bulkFsmStatus->CBWbuf)+8,4); printf("dCBWDataTransferLength: %d\n",bulkFsmStatus->dCBWDataTransferLength); uartPrintf("dCBWDataTransferLength: %d\n",bulkFsmStatus->dCBWDataTransferLength); //get cbw flag bulkFsmStatus->bmCBWFlags = 0x0ff & (char)(*(bulkFsmStatus->CBWbuf+12)); printf("bmCBWFlags: %x\n",bulkFsmStatus->bmCBWFlags); uartPrintf("bmCBWFlags: %x\n",bulkFsmStatus->bmCBWFlags); //cbw lun bulkFsmStatus->bCBWLUN = 0x0ff & (char)(*(bulkFsmStatus->CBWbuf+13)); printf("bCBWLUN: %d\n",bulkFsmStatus->bCBWLUN); uartPrintf("bCBWLUN: %d\n",bulkFsmStatus->bCBWLUN); //get CBWCB Length bulkFsmStatus->bCBWCBLength = 0x0ff & (char)(*(bulkFsmStatus->CBWbuf+14)); printf("bCBWCBLength: %d\n",bulkFsmStatus->bCBWCBLength); uartPrintf("bCBWCBLength: %d\n",bulkFsmStatus->bCBWCBLength); //Get CB //memcpy(bulkFsmStatus->CBWCB,(char *)((bulkFsmStatus->CBWbuf+15)),bulkFsmStatus->bCBWCBLength);//while(1); } } else bulkFsmStatus->usbBulkFSMStatus = USB_BULK_IDLE;/*--Do CBW CB--*/ if(bulkFsmStatus->usbBulkFSMStatus == USB_BULK_CBW){ UFI_Handler(bulkFsmStatus); } }int usbBulkCSWHandler(USB_BULK_FSM*bulkFsmStatus){uartPrintf("CSW\n");/*Prepare the CSW data*/ usbCSW.dCSWSignature[0] = 0x55; usbCSW.dCSWSignature[2] = 0x42; usbCSW.dCSWSignature[3] = 0x53; memcpy(usbCSW.dCSWTag, bulkFsmStatus->dCBWTagBuf,4);//csw tag memcpy(usbCSW.dCSWDataResidue,(bulkFsmStatus->CBWbuf)+8,4);//csw data residue usbCSW.bCSWStatus = 0x00;/* send the csw */ if(bulkFsmStatus->CSWStatus == CSW_GOOD){ usb_1362_epx_transmit(EP1, &usbCSW, sizeof(USB_CSW)); bulkFsmStatus->usbBulkFSMStatus = USB_BULK_IDLE; } else if(bulkFsmStatus->CSWStatus == CSW_BAD){// && !(bulkFsmStatus->usbBulkEPOutStatus & 0x60)){ usbCSW.bCSWStatus = 0x01; memset(usbCSW.dCSWDataResidue,0,4);//csw data residue usb_1362_epx_transmit(EP1, &usbCSW, sizeof(USB_CSW)); bulkFsmStatus->usbBulkFSMStatus = USB_BULK_IDLE; } }int usbBulkDataOutHandler(USB_BULK_FSM* bulkFsmStatus){ char buffer[EP1_BUFFER_SIZE]; int length; length = usb_1362_epx_receive(EP2,bulkFsmStatus->bulkDataTransferAddress);#if USB_ENU_DEBUG uartprintf("bulkDataTransferLength: %d\n",bulkFsmStatus->bulkDataTransferLength); uartprintf("buf length : %d\n",length);#endif bulkFsmStatus->bulkDataTransferLength -= length; //memcpy(bulkFsmStatus->bulkDataTransferAddress,buffer,length); bulkFsmStatus->bulkDataTransferAddress += length;// if(bulkFsmStatus->bulkDataTransferLength > 0 ){ if(bulkFsmStatus->bulkDataTransferLength == 0){ bulkFsmStatus->usbBulkFSMStatus = USB_BULK_CSW; bulkFsmStatus->CSWStatus = CSW_GOOD; usbBulkCSWHandler(bulkFsmStatus); } else ;// } }int usbBulkDataInHandler(USB_BULK_FSM* bulkFsmStatus){#if USB_ENU_DEBUGprintf("data in handler\n");uartPrintf("data in handler\n");#endif if(bulkFsmStatus->bulkDataTransferLength > 0){ if(bulkFsmStatus->bulkDataTransferLength > EP1_BUFFER_SIZE){ usb_1362_epx_transmit(EP1, bulkFsmStatus->bulkDataTransferAddress , EP1_BUFFER_SIZE); bulkFsmStatus->bulkDataTransferAddress += EP1_BUFFER_SIZE; bulkFsmStatus->bulkDataTransferLength -= EP1_BUFFER_SIZE;#if USB_ENU_DEBUG printf("bulkDataTransferAddress:%08x\n",bulkFsmStatus->bulkDataTransferAddress); printf("bulkDataTransferLength:%08x\n",bulkFsmStatus->bulkDataTransferLength); uartPrintf("bulkDataTransferAddress:%08x\n",bulkFsmStatus->bulkDataTransferAddress); uartPrintf("bulkDataTransferLength:%08x\n",bulkFsmStatus->bulkDataTransferLength); #endif } else{ usb_1362_epx_transmit(EP1, bulkFsmStatus->bulkDataTransferAddress , bulkFsmStatus->bulkDataTransferLength); bulkFsmStatus->bulkDataTransferAddress += bulkFsmStatus->bulkDataTransferLength; bulkFsmStatus->bulkDataTransferLength -= bulkFsmStatus->bulkDataTransferLength; bulkFsmStatus->usbBulkFSMStatus = USB_BULK_CSW; bulkFsmStatus->CSWStatus = CSW_GOOD;#if USB_ENU_DEBUG printf("bulkDataTransferAddress:%08x\n",bulkFsmStatus->bulkDataTransferAddress); printf("bulkDataTransferLength:%08x\n",bulkFsmStatus->bulkDataTransferLength); uartPrintf("bulkDataTransferAddress:%08x\n",bulkFsmStatus->bulkDataTransferAddress); uartPrintf("bulkDataTransferLength:%08x\n",bulkFsmStatus->bulkDataTransferLength); #endif } } }int usbBulkStall(void){ usb_1362_epx_stall(EP1); usb_1362_epx_stall(EP2); }int usbBulkUnstall(void){ usb_1362_epx_unstall(EP1); usb_1362_epx_unstall(EP2); }?? 快捷鍵說明
復(fù)制代碼
Ctrl + C
搜索代碼
Ctrl + F
全屏模式
F11
切換主題
Ctrl + Shift + D
顯示快捷鍵
?
增大字號
Ctrl + =
減小字號
Ctrl + -