diff options
Diffstat (limited to 'Demos/Host/ClassDriver/MassStorageHost/MassStorageHost.c')
| -rw-r--r-- | Demos/Host/ClassDriver/MassStorageHost/MassStorageHost.c | 319 |
1 files changed, 159 insertions, 160 deletions
diff --git a/Demos/Host/ClassDriver/MassStorageHost/MassStorageHost.c b/Demos/Host/ClassDriver/MassStorageHost/MassStorageHost.c index dcbebcc44..5fc3fdfdb 100644 --- a/Demos/Host/ClassDriver/MassStorageHost/MassStorageHost.c +++ b/Demos/Host/ClassDriver/MassStorageHost/MassStorageHost.c @@ -67,166 +67,8 @@ int main(void) for (;;) { - switch (USB_HostState) - { - case HOST_STATE_Addressed: - LEDs_SetAllLEDs(LEDMASK_USB_ENUMERATING); - - uint16_t ConfigDescriptorSize; - uint8_t ConfigDescriptorData[512]; - - if (USB_Host_GetDeviceConfigDescriptor(1, &ConfigDescriptorSize, ConfigDescriptorData, - sizeof(ConfigDescriptorData)) != HOST_GETCONFIG_Successful) - { - puts_P(PSTR("Error Retrieving Configuration Descriptor.\r\n")); - LEDs_SetAllLEDs(LEDMASK_USB_ERROR); - USB_HostState = HOST_STATE_WaitForDeviceRemoval; - break; - } - - if (MS_Host_ConfigurePipes(&FlashDisk_MS_Interface, - ConfigDescriptorSize, ConfigDescriptorData) != MS_ENUMERROR_NoError) - { - puts_P(PSTR("Attached Device Not a Valid Mass Storage Device.\r\n")); - LEDs_SetAllLEDs(LEDMASK_USB_ERROR); - USB_HostState = HOST_STATE_WaitForDeviceRemoval; - break; - } - - if (USB_Host_SetDeviceConfiguration(1) != HOST_SENDCONTROL_Successful) - { - puts_P(PSTR("Error Setting Device Configuration.\r\n")); - LEDs_SetAllLEDs(LEDMASK_USB_ERROR); - USB_HostState = HOST_STATE_WaitForDeviceRemoval; - break; - } - - puts_P(PSTR("Mass Storage Device Enumerated.\r\n")); - LEDs_SetAllLEDs(LEDMASK_USB_READY); - USB_HostState = HOST_STATE_Configured; - break; - case HOST_STATE_Configured: - LEDs_SetAllLEDs(LEDMASK_USB_BUSY); - - uint8_t MaxLUNIndex; - if (MS_Host_GetMaxLUN(&FlashDisk_MS_Interface, &MaxLUNIndex)) - { - puts_P(PSTR("Error retrieving max LUN index.\r\n")); - LEDs_SetAllLEDs(LEDMASK_USB_ERROR); - USB_HostState = HOST_STATE_WaitForDeviceRemoval; - break; - } - - printf_P(PSTR("Total LUNs: %d - Using first LUN in device.\r\n"), (MaxLUNIndex + 1)); - - if (MS_Host_ResetMSInterface(&FlashDisk_MS_Interface)) - { - puts_P(PSTR("Error resetting Mass Storage interface.\r\n")); - LEDs_SetAllLEDs(LEDMASK_USB_ERROR); - USB_HostState = HOST_STATE_WaitForDeviceRemoval; - break; - } - - SCSI_Request_Sense_Response_t SenseData; - if (MS_Host_RequestSense(&FlashDisk_MS_Interface, 0, &SenseData) != 0) - { - puts_P(PSTR("Error retrieving device sense.\r\n")); - LEDs_SetAllLEDs(LEDMASK_USB_ERROR); - USB_HostState = HOST_STATE_WaitForDeviceRemoval; - break; - } - - if (MS_Host_PreventAllowMediumRemoval(&FlashDisk_MS_Interface, 0, true)) - { - puts_P(PSTR("Error setting Prevent Device Removal bit.\r\n")); - LEDs_SetAllLEDs(LEDMASK_USB_ERROR); - USB_HostState = HOST_STATE_WaitForDeviceRemoval; - break; - } - - SCSI_Inquiry_Response_t InquiryData; - if (MS_Host_GetInquiryData(&FlashDisk_MS_Interface, 0, &InquiryData)) - { - puts_P(PSTR("Error retrieving device Inquiry data.\r\n")); - LEDs_SetAllLEDs(LEDMASK_USB_ERROR); - USB_HostState = HOST_STATE_WaitForDeviceRemoval; - break; - } - - printf_P(PSTR("Vendor \"%.8s\", Product \"%.16s\"\r\n"), InquiryData.VendorID, InquiryData.ProductID); - - puts_P(PSTR("Waiting until ready...\r\n")); - - for (;;) - { - uint8_t ErrorCode = MS_Host_TestUnitReady(&FlashDisk_MS_Interface, 0); - - if (!(ErrorCode)) - break; - - /* Check if an error other than a logical command error (device busy) received */ - if (ErrorCode != MS_ERROR_LOGICAL_CMD_FAILED) - { - puts_P(PSTR("Error waiting for device to be ready.\r\n")); - LEDs_SetAllLEDs(LEDMASK_USB_ERROR); - USB_HostState = HOST_STATE_WaitForDeviceRemoval; - break; - } - } - - puts_P(PSTR("Retrieving Capacity...\r\n")); - - SCSI_Capacity_t DiskCapacity; - if (MS_Host_ReadDeviceCapacity(&FlashDisk_MS_Interface, 0, &DiskCapacity)) - { - puts_P(PSTR("Error retrieving device capacity.\r\n")); - LEDs_SetAllLEDs(LEDMASK_USB_ERROR); - USB_HostState = HOST_STATE_WaitForDeviceRemoval; - break; - } - - printf_P(PSTR("%lu blocks of %lu bytes.\r\n"), DiskCapacity.Blocks, DiskCapacity.BlockSize); - - uint8_t BlockBuffer[DiskCapacity.BlockSize]; - - if (MS_Host_ReadDeviceBlocks(&FlashDisk_MS_Interface, 0, 0x00000000, 1, DiskCapacity.BlockSize, BlockBuffer)) - { - puts_P(PSTR("Error reading device block.\r\n")); - LEDs_SetAllLEDs(LEDMASK_USB_ERROR); - USB_HostState = HOST_STATE_WaitForDeviceRemoval; - break; - } - - puts_P(PSTR("\r\nContents of first block:\r\n")); - - for (uint16_t Chunk = 0; Chunk < (DiskCapacity.BlockSize >> 4); Chunk++) - { - uint8_t* ChunkPtr = &BlockBuffer[Chunk << 4]; - - /* Print out the 16 bytes of the chunk in HEX format */ - for (uint8_t ByteOffset = 0; ByteOffset < (1 << 4); ByteOffset++) - { - char CurrByte = *(ChunkPtr + ByteOffset); - printf_P(PSTR("%.2X "), CurrByte); - } - - printf_P(PSTR(" ")); - - /* Print out the 16 bytes of the chunk in ASCII format */ - for (uint8_t ByteOffset = 0; ByteOffset < (1 << 4); ByteOffset++) - { - char CurrByte = *(ChunkPtr + ByteOffset); - putchar(isprint(CurrByte) ? CurrByte : '.'); - } - - printf_P(PSTR("\r\n")); - } - - LEDs_SetAllLEDs(LEDMASK_USB_READY); - USB_HostState = HOST_STATE_WaitForDeviceRemoval; - break; - } - + MassStorageHost_Task(); + MS_Host_USBTask(&FlashDisk_MS_Interface); USB_USBTask(); } @@ -251,6 +93,87 @@ void SetupHardware(void) Serial_CreateStream(NULL); } +/** Task to manage an enumerated USB Mass Storage device once connected, to print out + * data from the device. + */ +void MassStorageHost_Task(void) +{ + if (USB_HostState != HOST_STATE_Configured) + return; + + LEDs_SetAllLEDs(LEDMASK_USB_BUSY); + + puts_P(PSTR("Waiting until ready...\r\n")); + + for (;;) + { + uint8_t ErrorCode = MS_Host_TestUnitReady(&FlashDisk_MS_Interface, 0); + + if (!(ErrorCode)) + break; + + /* Check if an error other than a logical command error (device busy) received */ + if (ErrorCode != MS_ERROR_LOGICAL_CMD_FAILED) + { + puts_P(PSTR("Error waiting for device to be ready.\r\n")); + LEDs_SetAllLEDs(LEDMASK_USB_ERROR); + USB_Host_SetDeviceConfiguration(0); + return; + } + } + + puts_P(PSTR("Retrieving Capacity...\r\n")); + + SCSI_Capacity_t DiskCapacity; + if (MS_Host_ReadDeviceCapacity(&FlashDisk_MS_Interface, 0, &DiskCapacity)) + { + puts_P(PSTR("Error retrieving device capacity.\r\n")); + LEDs_SetAllLEDs(LEDMASK_USB_ERROR); + USB_Host_SetDeviceConfiguration(0); + return; + } + + printf_P(PSTR("%lu blocks of %lu bytes.\r\n"), DiskCapacity.Blocks, DiskCapacity.BlockSize); + + uint8_t BlockBuffer[DiskCapacity.BlockSize]; + + if (MS_Host_ReadDeviceBlocks(&FlashDisk_MS_Interface, 0, 0x00000000, 1, DiskCapacity.BlockSize, BlockBuffer)) + { + puts_P(PSTR("Error reading device block.\r\n")); + LEDs_SetAllLEDs(LEDMASK_USB_ERROR); + USB_Host_SetDeviceConfiguration(0); + return; + } + + puts_P(PSTR("\r\nContents of first block:\r\n")); + + for (uint16_t Chunk = 0; Chunk < (DiskCapacity.BlockSize >> 4); Chunk++) + { + uint8_t* ChunkPtr = &BlockBuffer[Chunk << 4]; + + /* Print out the 16 bytes of the chunk in HEX format */ + for (uint8_t ByteOffset = 0; ByteOffset < (1 << 4); ByteOffset++) + { + char CurrByte = *(ChunkPtr + ByteOffset); + printf_P(PSTR("%.2X "), CurrByte); + } + + printf_P(PSTR(" ")); + + /* Print out the 16 bytes of the chunk in ASCII format */ + for (uint8_t ByteOffset = 0; ByteOffset < (1 << 4); ByteOffset++) + { + char CurrByte = *(ChunkPtr + ByteOffset); + putchar(isprint(CurrByte) ? CurrByte : '.'); + } + + printf_P(PSTR("\r\n")); + } + + LEDs_SetAllLEDs(LEDMASK_USB_READY); + USB_Host_SetDeviceConfiguration(0); +} + /** Event handler for the USB_DeviceAttached event. This indicates that a device has been attached to the host, and * starts the library USB task to begin the enumeration and USB management process. */ @@ -274,6 +197,82 @@ void EVENT_USB_Host_DeviceUnattached(void) */ void EVENT_USB_Host_DeviceEnumerationComplete(void) { + LEDs_SetAllLEDs(LEDMASK_USB_ENUMERATING); + + uint16_t ConfigDescriptorSize; + uint8_t ConfigDescriptorData[512]; + + if (USB_Host_GetDeviceConfigDescriptor(1, &ConfigDescriptorSize, ConfigDescriptorData, + sizeof(ConfigDescriptorData)) != HOST_GETCONFIG_Successful) + { + puts_P(PSTR("Error Retrieving Configuration Descriptor.\r\n")); + LEDs_SetAllLEDs(LEDMASK_USB_ERROR); + return; + } + + if (MS_Host_ConfigurePipes(&FlashDisk_MS_Interface, + ConfigDescriptorSize, ConfigDescriptorData) != MS_ENUMERROR_NoError) + { + puts_P(PSTR("Attached Device Not a Valid Mass Storage Device.\r\n")); + LEDs_SetAllLEDs(LEDMASK_USB_ERROR); + return; + } + + if (USB_Host_SetDeviceConfiguration(1) != HOST_SENDCONTROL_Successful) + { + puts_P(PSTR("Error Setting Device Configuration.\r\n")); + LEDs_SetAllLEDs(LEDMASK_USB_ERROR); + return; + } + + uint8_t MaxLUNIndex; + if (MS_Host_GetMaxLUN(&FlashDisk_MS_Interface, &MaxLUNIndex)) + { + puts_P(PSTR("Error retrieving max LUN index.\r\n")); + LEDs_SetAllLEDs(LEDMASK_USB_ERROR); + USB_Host_SetDeviceConfiguration(0); + return; + } + + printf_P(PSTR("Total LUNs: %d - Using first LUN in device.\r\n"), (MaxLUNIndex + 1)); + + if (MS_Host_ResetMSInterface(&FlashDisk_MS_Interface)) + { + puts_P(PSTR("Error resetting Mass Storage interface.\r\n")); + LEDs_SetAllLEDs(LEDMASK_USB_ERROR); + USB_Host_SetDeviceConfiguration(0); + return; + } + + SCSI_Request_Sense_Response_t SenseData; + if (MS_Host_RequestSense(&FlashDisk_MS_Interface, 0, &SenseData) != 0) + { + puts_P(PSTR("Error retrieving device sense.\r\n")); + LEDs_SetAllLEDs(LEDMASK_USB_ERROR); + USB_Host_SetDeviceConfiguration(0); + return; + } + + if (MS_Host_PreventAllowMediumRemoval(&FlashDisk_MS_Interface, 0, true)) + { + puts_P(PSTR("Error setting Prevent Device Removal bit.\r\n")); + LEDs_SetAllLEDs(LEDMASK_USB_ERROR); + USB_Host_SetDeviceConfiguration(0); + return; + } + + SCSI_Inquiry_Response_t InquiryData; + if (MS_Host_GetInquiryData(&FlashDisk_MS_Interface, 0, &InquiryData)) + { + puts_P(PSTR("Error retrieving device Inquiry data.\r\n")); + LEDs_SetAllLEDs(LEDMASK_USB_ERROR); + USB_Host_SetDeviceConfiguration(0); + return; + } + + printf_P(PSTR("Vendor \"%.8s\", Product \"%.16s\"\r\n"), InquiryData.VendorID, InquiryData.ProductID); + + puts_P(PSTR("Mass Storage Device Enumerated.\r\n")); LEDs_SetAllLEDs(LEDMASK_USB_READY); } |