BaseUsbHost example program
Dependencies: BaseUsbHost FATFileSystem mbed mbed-rtos
Diff: UsbFlashDrive/UsbFlashDrive.h
- Revision:
- 0:2a9734a95d55
- Child:
- 1:80205a2de336
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/UsbFlashDrive/UsbFlashDrive.h Tue Dec 04 13:39:57 2012 +0000 @@ -0,0 +1,78 @@ +// usbFlashDrive.h 2012/12/4 +#ifndef USB_FLASH_DRIVE_H +#define USB_FLASH_DRIVE_H + +#include "FATFileSystem.h" + +#define SCSI_CMD_REQUEST_SENSE 0x03 +#define SCSI_CMD_TEST_UNIT_READY 0x00 +#define SCSI_CMD_INQUIRY 0x12 +#define SCSI_CMD_READ_10 0x28 +#define SCSI_CMD_READ_CAPACITY 0x25 +#define SCSI_CMD_WRITE_10 0x2A + +#pragma pack(push,1) +typedef struct { + uint32_t dCBWSignature; + uint32_t dCBWTag; + uint32_t dCBWDataTraansferLength; + uint8_t bmCBWFlags; + uint8_t bCBWLUN; + uint8_t bCBWCBLength; + uint8_t CBWCB[16]; +} CBW; + +typedef struct { + uint32_t dCSWSignature; + uint32_t dCSWTag; + uint32_t dCSWDataResidue; + uint8_t bCSWStatus; +} CSW; +#pragma pack(pop) + +class UsbFlashDrive : public FATFileSystem { +public: + UsbFlashDrive(const char* name, ControlEp* ctlEp = NULL); + virtual int disk_initialize(); + virtual int disk_write(const uint8_t* buffer, uint64_t sector); + virtual int disk_read(uint8_t* buffer, uint64_t sector); + virtual int disk_status(); + virtual int disk_sync(); + virtual uint64_t disk_sectors(); + + int setup(int timeout = 9000); +private: + int ParseConfiguration(); + int BulkOnlyMassStorageReset(); + int GetMaxLUN(); + int ReadCapacity(); + int GetSenseInfo(); + int TestUnitReady(); + int Inquire(); + int MS_BulkRecv(uint32_t block_number, int num_blocks, uint8_t* user_buffer); + int MS_BulkSend(uint32_t block_number, int num_blocks, const uint8_t* user_buffer); + int CommandTransport(const uint8_t* cdb, int size); + int StatusTransport(); + int _bulkRecv(uint8_t* buf, int size); + int _bulkSend(const uint8_t* buf, int size); + const char* m_name; + int m_drive; + uint32_t m_numBlocks; + int m_BlockSize; + int m_lun; + int m_MaxLUN; + int m_interface; + uint32_t m_tag; + CBW m_CBW; + CSW m_CSW; + ControlEp* m_ctlEp; + BulkEp* m_pEpBulkIn; + BulkEp* m_pEpBulkOut; + // report + uint32_t m_report_disk_write; + uint32_t m_report_disk_read; + uint32_t m_report_disk_status; + uint32_t m_report_disk_sync; +}; + +#endif // USB_FLASH_DRIVE_H \ No newline at end of file