diff options
Diffstat (limited to 'lib/lufa/Demos/Device/ClassDriver/MassStorageKeyboard')
14 files changed, 4578 insertions, 0 deletions
diff --git a/lib/lufa/Demos/Device/ClassDriver/MassStorageKeyboard/Config/AppConfig.h b/lib/lufa/Demos/Device/ClassDriver/MassStorageKeyboard/Config/AppConfig.h new file mode 100644 index 0000000000..b18b2c4149 --- /dev/null +++ b/lib/lufa/Demos/Device/ClassDriver/MassStorageKeyboard/Config/AppConfig.h @@ -0,0 +1,50 @@ +/* + LUFA Library + Copyright (C) Dean Camera, 2017. + + dean [at] fourwalledcubicle [dot] com + www.lufa-lib.org +*/ + +/* + Copyright 2017 Dean Camera (dean [at] fourwalledcubicle [dot] com) + + Permission to use, copy, modify, distribute, and sell this + software and its documentation for any purpose is hereby granted + without fee, provided that the above copyright notice appear in + all copies and that both that the copyright notice and this + permission notice and warranty disclaimer appear in supporting + documentation, and that the name of the author not be used in + advertising or publicity pertaining to distribution of the + software without specific, written prior permission. + + The author disclaims all warranties with regard to this + software, including all implied warranties of merchantability + and fitness. In no event shall the author be liable for any + special, indirect or consequential damages or any damages + whatsoever resulting from loss of use, data or profits, whether + in an action of contract, negligence or other tortious action, + arising out of or in connection with the use or performance of + this software. +*/ + +/** \file + * \brief Application Configuration Header File + * + * This is a header file which is be used to configure some of + * the application's compile time options, as an alternative to + * specifying the compile time constants supplied through a + * makefile or build system. + * + * For information on what each token does, refer to the + * \ref Sec_Options section of the application documentation. + */ + +#ifndef _APP_CONFIG_H_ +#define _APP_CONFIG_H_ + + #define TOTAL_LUNS 1 + + #define DISK_READ_ONLY false + +#endif diff --git a/lib/lufa/Demos/Device/ClassDriver/MassStorageKeyboard/Config/LUFAConfig.h b/lib/lufa/Demos/Device/ClassDriver/MassStorageKeyboard/Config/LUFAConfig.h new file mode 100644 index 0000000000..62549878d6 --- /dev/null +++ b/lib/lufa/Demos/Device/ClassDriver/MassStorageKeyboard/Config/LUFAConfig.h @@ -0,0 +1,126 @@ +/* + LUFA Library + Copyright (C) Dean Camera, 2017. + + dean [at] fourwalledcubicle [dot] com + www.lufa-lib.org +*/ + +/* + Copyright 2017 Dean Camera (dean [at] fourwalledcubicle [dot] com) + + Permission to use, copy, modify, distribute, and sell this + software and its documentation for any purpose is hereby granted + without fee, provided that the above copyright notice appear in + all copies and that both that the copyright notice and this + permission notice and warranty disclaimer appear in supporting + documentation, and that the name of the author not be used in + advertising or publicity pertaining to distribution of the + software without specific, written prior permission. + + The author disclaims all warranties with regard to this + software, including all implied warranties of merchantability + and fitness. In no event shall the author be liable for any + special, indirect or consequential damages or any damages + whatsoever resulting from loss of use, data or profits, whether + in an action of contract, negligence or other tortious action, + arising out of or in connection with the use or performance of + this software. +*/ + +/** \file + * \brief LUFA Library Configuration Header File + * + * This header file is used to configure LUFA's compile time options, + * as an alternative to the compile time constants supplied through + * a makefile. + * + * For information on what each token does, refer to the LUFA + * manual section "Summary of Compile Tokens". + */ + +#ifndef _LUFA_CONFIG_H_ +#define _LUFA_CONFIG_H_ + + #if (ARCH == ARCH_AVR8) + + /* Non-USB Related Configuration Tokens: */ +// #define DISABLE_TERMINAL_CODES + + /* USB Class Driver Related Tokens: */ +// #define HID_HOST_BOOT_PROTOCOL_ONLY +// #define HID_STATETABLE_STACK_DEPTH {Insert Value Here} +// #define HID_USAGE_STACK_DEPTH {Insert Value Here} +// #define HID_MAX_COLLECTIONS {Insert Value Here} +// #define HID_MAX_REPORTITEMS {Insert Value Here} +// #define HID_MAX_REPORT_IDS {Insert Value Here} +// #define NO_CLASS_DRIVER_AUTOFLUSH + + /* General USB Driver Related Tokens: */ +// #define ORDERED_EP_CONFIG + #define USE_STATIC_OPTIONS (USB_DEVICE_OPT_FULLSPEED | USB_OPT_REG_ENABLED | USB_OPT_AUTO_PLL) + #define USB_DEVICE_ONLY +// #define USB_HOST_ONLY +// #define USB_STREAM_TIMEOUT_MS {Insert Value Here} +// #define NO_LIMITED_CONTROLLER_CONNECT +// #define NO_SOF_EVENTS + + /* USB Device Mode Driver Related Tokens: */ +// #define USE_RAM_DESCRIPTORS + #define USE_FLASH_DESCRIPTORS +// #define USE_EEPROM_DESCRIPTORS +// #define NO_INTERNAL_SERIAL + #define FIXED_CONTROL_ENDPOINT_SIZE 8 +// #define DEVICE_STATE_AS_GPIOR {Insert Value Here} + #define FIXED_NUM_CONFIGURATIONS 1 +// #define CONTROL_ONLY_DEVICE + #define INTERRUPT_CONTROL_ENDPOINT +// #define NO_DEVICE_REMOTE_WAKEUP +// #define NO_DEVICE_SELF_POWER + + /* USB Host Mode Driver Related Tokens: */ +// #define HOST_STATE_AS_GPIOR {Insert Value Here} +// #define USB_HOST_TIMEOUT_MS {Insert Value Here} +// #define HOST_DEVICE_SETTLE_DELAY_MS {Insert Value Here} +// #define NO_AUTO_VBUS_MANAGEMENT +// #define INVERTED_VBUS_ENABLE_LINE + + #elif (ARCH == ARCH_XMEGA) + + /* Non-USB Related Configuration Tokens: */ +// #define DISABLE_TERMINAL_CODES + + /* USB Class Driver Related Tokens: */ +// #define HID_HOST_BOOT_PROTOCOL_ONLY +// #define HID_STATETABLE_STACK_DEPTH {Insert Value Here} +// #define HID_USAGE_STACK_DEPTH {Insert Value Here} +// #define HID_MAX_COLLECTIONS {Insert Value Here} +// #define HID_MAX_REPORTITEMS {Insert Value Here} +// #define HID_MAX_REPORT_IDS {Insert Value Here} +// #define NO_CLASS_DRIVER_AUTOFLUSH + + /* General USB Driver Related Tokens: */ + #define USE_STATIC_OPTIONS (USB_DEVICE_OPT_FULLSPEED | USB_OPT_RC32MCLKSRC | USB_OPT_BUSEVENT_PRIHIGH) +// #define USB_STREAM_TIMEOUT_MS {Insert Value Here} +// #define NO_LIMITED_CONTROLLER_CONNECT +// #define NO_SOF_EVENTS + + /* USB Device Mode Driver Related Tokens: */ +// #define USE_RAM_DESCRIPTORS + #define USE_FLASH_DESCRIPTORS +// #define USE_EEPROM_DESCRIPTORS +// #define NO_INTERNAL_SERIAL + #define FIXED_CONTROL_ENDPOINT_SIZE 8 +// #define DEVICE_STATE_AS_GPIOR {Insert Value Here} + #define FIXED_NUM_CONFIGURATIONS 1 +// #define CONTROL_ONLY_DEVICE + #define MAX_ENDPOINT_INDEX 5 +// #define NO_DEVICE_REMOTE_WAKEUP +// #define NO_DEVICE_SELF_POWER + + #else + + #error Unsupported architecture for this LUFA configuration file. + + #endif +#endif diff --git a/lib/lufa/Demos/Device/ClassDriver/MassStorageKeyboard/Descriptors.c b/lib/lufa/Demos/Device/ClassDriver/MassStorageKeyboard/Descriptors.c new file mode 100644 index 0000000000..15cbc63b26 --- /dev/null +++ b/lib/lufa/Demos/Device/ClassDriver/MassStorageKeyboard/Descriptors.c @@ -0,0 +1,254 @@ +/* + LUFA Library + Copyright (C) Dean Camera, 2017. + + dean [at] fourwalledcubicle [dot] com + www.lufa-lib.org +*/ + +/* + Copyright 2017 Dean Camera (dean [at] fourwalledcubicle [dot] com) + Copyright 2010 Matthias Hullin (lufa [at] matthias [dot] hullin [dot] net) + + Permission to use, copy, modify, distribute, and sell this + software and its documentation for any purpose is hereby granted + without fee, provided that the above copyright notice appear in + all copies and that both that the copyright notice and this + permission notice and warranty disclaimer appear in supporting + documentation, and that the name of the author not be used in + advertising or publicity pertaining to distribution of the + software without specific, written prior permission. + + The author disclaims all warranties with regard to this + software, including all implied warranties of merchantability + and fitness. In no event shall the author be liable for any + special, indirect or consequential damages or any damages + whatsoever resulting from loss of use, data or profits, whether + in an action of contract, negligence or other tortious action, + arising out of or in connection with the use or performance of + this software. +*/ + +/** \file + * + * USB Device Descriptors, for library use when in USB device mode. Descriptors are special + * computer-readable structures which the host requests upon device enumeration, to determine + * the device's capabilities and functions. + */ + +#include "Descriptors.h" + + +/** HID class report descriptor. This is a special descriptor constructed with values from the + * USBIF HID class specification to describe the reports and capabilities of the HID device. This + * descriptor is parsed by the host and its contents used to determine what data (and in what encoding) + * the device will send, and what it may be sent back from the host. Refer to the HID specification for + * more details on HID report descriptors. + */ +const USB_Descriptor_HIDReport_Datatype_t PROGMEM KeyboardReport[] = +{ + /* Use the HID class driver's standard Keyboard report. + * Max simultaneous keys: 6 + */ + HID_DESCRIPTOR_KEYBOARD(6) +}; + +/** Device descriptor structure. This descriptor, located in FLASH memory, describes the overall + * device characteristics, including the supported USB version, control endpoint size and the + * number of device configurations. The descriptor is read out by the USB host when the enumeration + * process begins. + */ +const USB_Descriptor_Device_t PROGMEM DeviceDescriptor = +{ + .Header = {.Size = sizeof(USB_Descriptor_Device_t), .Type = DTYPE_Device}, + + .USBSpecification = VERSION_BCD(1,1,0), + .Class = USB_CSCP_NoDeviceClass, + .SubClass = USB_CSCP_NoDeviceSubclass, + .Protocol = USB_CSCP_NoDeviceProtocol, + + .Endpoint0Size = FIXED_CONTROL_ENDPOINT_SIZE, + + .VendorID = 0x03EB, + .ProductID = 0x2061, + .ReleaseNumber = VERSION_BCD(0,0,1), + + .ManufacturerStrIndex = STRING_ID_Manufacturer, + .ProductStrIndex = STRING_ID_Product, + .SerialNumStrIndex = USE_INTERNAL_SERIAL, + + .NumberOfConfigurations = FIXED_NUM_CONFIGURATIONS +}; + +/** Configuration descriptor structure. This descriptor, located in FLASH memory, describes the usage + * of the device in one of its supported configurations, including information about any device interfaces + * and endpoints. The descriptor is read out by the USB host during the enumeration process when selecting + * a configuration so that the host may correctly communicate with the USB device. + */ +const USB_Descriptor_Configuration_t PROGMEM ConfigurationDescriptor = +{ + .Config = + { + .Header = {.Size = sizeof(USB_Descriptor_Configuration_Header_t), .Type = DTYPE_Configuration}, + + .TotalConfigurationSize = sizeof(USB_Descriptor_Configuration_t), + .TotalInterfaces = 2, + + .ConfigurationNumber = 1, + .ConfigurationStrIndex = NO_DESCRIPTOR, + + .ConfigAttributes = USB_CONFIG_ATTR_RESERVED, + + .MaxPowerConsumption = USB_CONFIG_POWER_MA(100) + }, + + .MS_Interface = + { + .Header = {.Size = sizeof(USB_Descriptor_Interface_t), .Type = DTYPE_Interface}, + + .InterfaceNumber = INTERFACE_ID_MassStorage, + .AlternateSetting = 0, + + .TotalEndpoints = 2, + + .Class = MS_CSCP_MassStorageClass, + .SubClass = MS_CSCP_SCSITransparentSubclass, + .Protocol = MS_CSCP_BulkOnlyTransportProtocol, + + .InterfaceStrIndex = NO_DESCRIPTOR + }, + + .MS_DataInEndpoint = + { + .Header = {.Size = sizeof(USB_Descriptor_Endpoint_t), .Type = DTYPE_Endpoint}, + + .EndpointAddress = MASS_STORAGE_IN_EPADDR, + .Attributes = (EP_TYPE_BULK | ENDPOINT_ATTR_NO_SYNC | ENDPOINT_USAGE_DATA), + .EndpointSize = MASS_STORAGE_IO_EPSIZE, + .PollingIntervalMS = 0x05 + }, + + .MS_DataOutEndpoint = + { + .Header = {.Size = sizeof(USB_Descriptor_Endpoint_t), .Type = DTYPE_Endpoint}, + + .EndpointAddress = MASS_STORAGE_OUT_EPADDR, + .Attributes = (EP_TYPE_BULK | ENDPOINT_ATTR_NO_SYNC | ENDPOINT_USAGE_DATA), + .EndpointSize = MASS_STORAGE_IO_EPSIZE, + .PollingIntervalMS = 0x05 + }, + + .HID_KeyboardInterface = + { + .Header = {.Size = sizeof(USB_Descriptor_Interface_t), .Type = DTYPE_Interface}, + + .InterfaceNumber = INTERFACE_ID_Keyboard, + .AlternateSetting = 0, + + .TotalEndpoints = 1, + + .Class = HID_CSCP_HIDClass, + .SubClass = HID_CSCP_BootSubclass, + .Protocol = HID_CSCP_KeyboardBootProtocol, + + .InterfaceStrIndex = NO_DESCRIPTOR + }, + + .HID_KeyboardHID = + { + .Header = {.Size = sizeof(USB_HID_Descriptor_HID_t), .Type = HID_DTYPE_HID}, + + .HIDSpec = VERSION_BCD(1,1,1), + .CountryCode = 0x00, + .TotalReportDescriptors = 1, + .HIDReportType = HID_DTYPE_Report, + .HIDReportLength = sizeof(KeyboardReport) + }, + + .HID_ReportINEndpoint = + { + .Header = {.Size = sizeof(USB_Descriptor_Endpoint_t), .Type = DTYPE_Endpoint}, + + .EndpointAddress = KEYBOARD_EPADDR, + .Attributes = (EP_TYPE_INTERRUPT | ENDPOINT_ATTR_NO_SYNC | ENDPOINT_USAGE_DATA), + .EndpointSize = KEYBOARD_EPSIZE, + .PollingIntervalMS = 0x05 + }, +}; + +/** Language descriptor structure. This descriptor, located in FLASH memory, is returned when the host requests + * the string descriptor with index 0 (the first index). It is actually an array of 16-bit integers, which indicate + * via the language ID table available at USB.org what languages the device supports for its string descriptors. + */ +const USB_Descriptor_String_t PROGMEM LanguageString = USB_STRING_DESCRIPTOR_ARRAY(LANGUAGE_ID_ENG); + +/** Manufacturer descriptor string. This is a Unicode string containing the manufacturer's details in human readable + * form, and is read out upon request by the host when the appropriate string ID is requested, listed in the Device + * Descriptor. + */ +const USB_Descriptor_String_t PROGMEM ManufacturerString = USB_STRING_DESCRIPTOR(L"Dean Camera"); + +/** Product descriptor string. This is a Unicode string containing the product's details in human readable form, + * and is read out upon request by the host when the appropriate string ID is requested, listed in the Device + * Descriptor. + */ +const USB_Descriptor_String_t PROGMEM ProductString = USB_STRING_DESCRIPTOR(L"LUFA Mass Storage and Keyboard Demo"); + +/** This function is called by the library when in device mode, and must be overridden (see library "USB Descriptors" + * documentation) by the application code so that the address and size of a requested descriptor can be given + * to the USB library. When the device receives a Get Descriptor request on the control endpoint, this function + * is called so that the descriptor details can be passed back and the appropriate descriptor sent back to the + * USB host. + */ +uint16_t CALLBACK_USB_GetDescriptor(const uint16_t wValue, + const uint16_t wIndex, + const void** const DescriptorAddress) +{ + const uint8_t DescriptorType = (wValue >> 8); + const uint8_t DescriptorNumber = (wValue & 0xFF); + + const void* Address = NULL; + uint16_t Size = NO_DESCRIPTOR; + + switch (DescriptorType) + { + case DTYPE_Device: + Address = &DeviceDescriptor; + Size = sizeof(USB_Descriptor_Device_t); + break; + case DTYPE_Configuration: + Address = &ConfigurationDescriptor; + Size = sizeof(USB_Descriptor_Configuration_t); + break; + case DTYPE_String: + switch (DescriptorNumber) + { + case STRING_ID_Language: + Address = &LanguageString; + Size = pgm_read_byte(&LanguageString.Header.Size); + break; + case STRING_ID_Manufacturer: + Address = &ManufacturerString; + Size = pgm_read_byte(&ManufacturerString.Header.Size); + break; + case STRING_ID_Product: + Address = &ProductString; + Size = pgm_read_byte(&ProductString.Header.Size); + break; + } + + break; + case HID_DTYPE_HID: + Address = &ConfigurationDescriptor.HID_KeyboardHID; + Size = sizeof(USB_HID_Descriptor_HID_t); + break; + case HID_DTYPE_Report: + Address = &KeyboardReport; + Size = sizeof(KeyboardReport); + break; + } + + *DescriptorAddress = Address; + return Size; +} + diff --git a/lib/lufa/Demos/Device/ClassDriver/MassStorageKeyboard/Descriptors.h b/lib/lufa/Demos/Device/ClassDriver/MassStorageKeyboard/Descriptors.h new file mode 100644 index 0000000000..b16e900e4e --- /dev/null +++ b/lib/lufa/Demos/Device/ClassDriver/MassStorageKeyboard/Descriptors.h @@ -0,0 +1,111 @@ +/* + LUFA Library + Copyright (C) Dean Camera, 2017. + + dean [at] fourwalledcubicle [dot] com + www.lufa-lib.org +*/ + +/* + Copyright 2017 Dean Camera (dean [at] fourwalledcubicle [dot] com) + Copyright 2010 Matthias Hullin (lufa [at] matthias [dot] hullin [dot] net) + + Permission to use, copy, modify, distribute, and sell this + software and its documentation for any purpose is hereby granted + without fee, provided that the above copyright notice appear in + all copies and that both that the copyright notice and this + permission notice and warranty disclaimer appear in supporting + documentation, and that the name of the author not be used in + advertising or publicity pertaining to distribution of the + software without specific, written prior permission. + + The author disclaims all warranties with regard to this + software, including all implied warranties of merchantability + and fitness. In no event shall the author be liable for any + special, indirect or consequential damages or any damages + whatsoever resulting from loss of use, data or profits, whether + in an action of contract, negligence or other tortious action, + arising out of or in connection with the use or performance of + this software. +*/ + +/** \file + * + * Header file for Descriptors.c. + */ + +#ifndef _DESCRIPTORS_H_ +#define _DESCRIPTORS_H_ + + /* Includes: */ + #include <avr/pgmspace.h> + + #include <LUFA/Drivers/USB/USB.h> + + #include "Config/AppConfig.h" + + /* Macros: */ + /** Endpoint address of the Keyboard HID reporting IN endpoint. */ + #define KEYBOARD_EPADDR (ENDPOINT_DIR_IN | 1) + + /** Size in bytes of the Keyboard HID reporting IN endpoint. */ + #define KEYBOARD_EPSIZE 8 + + /** Endpoint address of the Mass Storage device-to-host data IN endpoint. */ + #define MASS_STORAGE_IN_EPADDR (ENDPOINT_DIR_IN | 3) + + /** Endpoint address of the Mass Storage host-to-device data OUT endpoint. */ + #define MASS_STORAGE_OUT_EPADDR (ENDPOINT_DIR_OUT | 4) + + /** Size in bytes of the Mass Storage data endpoints. */ + #define MASS_STORAGE_IO_EPSIZE 64 + + /* Type Defines: */ + /** Type define for the device configuration descriptor structure. This must be defined in the + * application code, as the configuration descriptor contains several sub-descriptors which + * vary between devices, and which describe the device's usage to the host. + */ + typedef struct + { + USB_Descriptor_Configuration_Header_t Config; + + // Mass Storage Interface + USB_Descriptor_Interface_t MS_Interface; + USB_Descriptor_Endpoint_t MS_DataInEndpoint; + USB_Descriptor_Endpoint_t MS_DataOutEndpoint; + + // Generic HID Interface + USB_Descriptor_Interface_t HID_KeyboardInterface; + USB_HID_Descriptor_HID_t HID_KeyboardHID; + USB_Descriptor_Endpoint_t HID_ReportINEndpoint; + } USB_Descriptor_Configuration_t; + + /** Enum for the device interface descriptor IDs within the device. Each interface descriptor + * should have a unique ID index associated with it, which can be used to refer to the + * interface from other descriptors. + */ + enum InterfaceDescriptors_t + { + INTERFACE_ID_MassStorage = 0, /**< Mass storage interface descriptor ID */ + INTERFACE_ID_Keyboard = 1, /**< Keyboard interface descriptor ID */ + }; + + /** Enum for the device string descriptor IDs within the device. Each string descriptor should + * have a unique ID index associated with it, which can be used to refer to the string from + * other descriptors. + */ + enum StringDescriptors_t + { + STRING_ID_Language = 0, /**< Supported Languages string descriptor ID (must be zero) */ + STRING_ID_Manufacturer = 1, /**< Manufacturer string ID */ + STRING_ID_Product = 2, /**< Product string ID */ + }; + + /* Function Prototypes: */ + uint16_t CALLBACK_USB_GetDescriptor(const uint16_t wValue, + const uint16_t wIndex, + const void** const DescriptorAddress) + ATTR_WARN_UNUSED_RESULT ATTR_NON_NULL_PTR_ARG(3); + +#endif + diff --git a/lib/lufa/Demos/Device/ClassDriver/MassStorageKeyboard/Lib/DataflashManager.c b/lib/lufa/Demos/Device/ClassDriver/MassStorageKeyboard/Lib/DataflashManager.c new file mode 100644 index 0000000000..c0fd16ccc4 --- /dev/null +++ b/lib/lufa/Demos/Device/ClassDriver/MassStorageKeyboard/Lib/DataflashManager.c @@ -0,0 +1,534 @@ +/* + LUFA Library + Copyright (C) Dean Camera, 2017. + + dean [at] fourwalledcubicle [dot] com + www.lufa-lib.org +*/ + +/* + Copyright 2017 Dean Camera (dean [at] fourwalledcubicle [dot] com) + + Permission to use, copy, modify, distribute, and sell this + software and its documentation for any purpose is hereby granted + without fee, provided that the above copyright notice appear in + all copies and that both that the copyright notice and this + permission notice and warranty disclaimer appear in supporting + documentation, and that the name of the author not be used in + advertising or publicity pertaining to distribution of the + software without specific, written prior permission. + + The author disclaims all warranties with regard to this + software, including all implied warranties of merchantability + and fitness. In no event shall the author be liable for any + special, indirect or consequential damages or any damages + whatsoever resulting from loss of use, data or profits, whether + in an action of contract, negligence or other tortious action, + arising out of or in connection with the use or performance of + this software. +*/ + +/** \file + * + * Functions to manage the physical Dataflash media, including reading and writing of + * blocks of data. These functions are called by the SCSI layer when data must be stored + * or retrieved to/from the physical storage media. If a different media is used (such + * as a SD card or EEPROM), functions similar to these will need to be generated. + */ + +#define INCLUDE_FROM_DATAFLASHMANAGER_C +#include "DataflashManager.h" + +/** Writes blocks (OS blocks, not Dataflash pages) to the storage medium, the board Dataflash IC(s), from + * the pre-selected data OUT endpoint. This routine reads in OS sized blocks from the endpoint and writes + * them to the Dataflash in Dataflash page sized blocks. + * + * \param[in] MSInterfaceInfo Pointer to a structure containing a Mass Storage Class configuration and state + * \param[in] BlockAddress Data block starting address for the write sequence + * \param[in] TotalBlocks Number of blocks of data to write + */ +void DataflashManager_WriteBlocks(USB_ClassInfo_MS_Device_t* const MSInterfaceInfo, + const uint32_t BlockAddress, + uint16_t TotalBlocks) +{ + uint16_t CurrDFPage = ((BlockAddress * VIRTUAL_MEMORY_BLOCK_SIZE) / DATAFLASH_PAGE_SIZE); + uint16_t CurrDFPageByte = ((BlockAddress * VIRTUAL_MEMORY_BLOCK_SIZE) % DATAFLASH_PAGE_SIZE); + uint8_t CurrDFPageByteDiv16 = (CurrDFPageByte >> 4); + bool UsingSecondBuffer = false; + + /* Select the correct starting Dataflash IC for the block requested */ + Dataflash_SelectChipFromPage(CurrDFPage); + +#if (DATAFLASH_PAGE_SIZE > VIRTUAL_MEMORY_BLOCK_SIZE) + /* Copy selected dataflash's current page contents to the Dataflash buffer */ + Dataflash_SendByte(DF_CMD_MAINMEMTOBUFF1); + Dataflash_SendAddressBytes(CurrDFPage, 0); + Dataflash_WaitWhileBusy(); +#endif + + /* Send the Dataflash buffer write command */ + Dataflash_SendByte(DF_CMD_BUFF1WRITE); + Dataflash_SendAddressBytes(0, CurrDFPageByte); + + /* Wait until endpoint is ready before continuing */ + if (Endpoint_WaitUntilReady()) + return; + + while (TotalBlocks) + { + uint8_t BytesInBlockDiv16 = 0; + + /* Write an endpoint packet sized data block to the Dataflash */ + while (BytesInBlockDiv16 < (VIRTUAL_MEMORY_BLOCK_SIZE >> 4)) + { + /* Check if the endpoint is currently empty */ + if (!(Endpoint_IsReadWriteAllowed())) + { + /* Clear the current endpoint bank */ + Endpoint_ClearOUT(); + + /* Wait until the host has sent another packet */ + if (Endpoint_WaitUntilReady()) + return; + } + + /* Check if end of Dataflash page reached */ + if (CurrDFPageByteDiv16 == (DATAFLASH_PAGE_SIZE >> 4)) + { + /* Write the Dataflash buffer contents back to the Dataflash page */ + Dataflash_WaitWhileBusy(); + Dataflash_SendByte(UsingSecondBuffer ? DF_CMD_BUFF2TOMAINMEMWITHERASE : DF_CMD_BUFF1TOMAINMEMWITHERASE); + Dataflash_SendAddressBytes(CurrDFPage, 0); + + /* Reset the Dataflash buffer counter, increment the page counter */ + CurrDFPageByteDiv16 = 0; + CurrDFPage++; + + /* Once all the Dataflash ICs have had their first buffers filled, switch buffers to maintain throughput */ + if (Dataflash_GetSelectedChip() == DATAFLASH_CHIP_MASK(DATAFLASH_TOTALCHIPS)) + UsingSecondBuffer = !(UsingSecondBuffer); + + /* Select the next Dataflash chip based on the new Dataflash page index */ + Dataflash_SelectChipFromPage(CurrDFPage); + +#if (DATAFLASH_PAGE_SIZE > VIRTUAL_MEMORY_BLOCK_SIZE) + /* If less than one Dataflash page remaining, copy over the existing page to preserve trailing data */ + if ((TotalBlocks * (VIRTUAL_MEMORY_BLOCK_SIZE >> 4)) < (DATAFLASH_PAGE_SIZE >> 4)) + { + /* Copy selected dataflash's current page contents to the Dataflash buffer */ + Dataflash_WaitWhileBusy(); + Dataflash_SendByte(UsingSecondBuffer ? DF_CMD_MAINMEMTOBUFF2 : DF_CMD_MAINMEMTOBUFF1); + Dataflash_SendAddressBytes(CurrDFPage, 0); + Dataflash_WaitWhileBusy(); + } +#endif + + /* Send the Dataflash buffer write command */ + Dataflash_SendByte(UsingSecondBuffer ? DF_CMD_BUFF2WRITE : DF_CMD_BUFF1WRITE); + Dataflash_SendAddressBytes(0, 0); + } + + /* Write one 16-byte chunk of data to the Dataflash */ + Dataflash_SendByte(Endpoint_Read_8()); + Dataflash_SendByte(Endpoint_Read_8()); + Dataflash_SendByte(Endpoint_Read_8()); + Dataflash_SendByte(Endpoint_Read_8()); + Dataflash_SendByte(Endpoint_Read_8()); + Dataflash_SendByte(Endpoint_Read_8()); + Dataflash_SendByte(Endpoint_Read_8()); + Dataflash_SendByte(Endpoint_Read_8()); + Dataflash_SendByte(Endpoint_Read_8()); + Dataflash_SendByte(Endpoint_Read_8()); + Dataflash_SendByte(Endpoint_Read_8()); + Dataflash_SendByte(Endpoint_Read_8()); + Dataflash_SendByte(Endpoint_Read_8()); + Dataflash_SendByte(Endpoint_Read_8()); + Dataflash_SendByte(Endpoint_Read_8()); + Dataflash_SendByte(Endpoint_Read_8()); + + /* Increment the Dataflash page 16 byte block counter */ + CurrDFPageByteDiv16++; + + /* Increment the block 16 byte block counter */ + BytesInBlockDiv16++; + + /* Check if the current command is being aborted by the host */ + if (MSInterfaceInfo->State.IsMassStoreReset) + return; + } + + /* Decrement the blocks remaining counter */ + TotalBlocks--; + } + + /* Write the Dataflash buffer contents back to the Dataflash page */ + Dataflash_WaitWhileBusy(); + Dataflash_SendByte(UsingSecondBuffer ? DF_CMD_BUFF2TOMAINMEMWITHERASE : DF_CMD_BUFF1TOMAINMEMWITHERASE); + Dataflash_SendAddressBytes(CurrDFPage, 0x00); + Dataflash_WaitWhileBusy(); + + /* If the endpoint is empty, clear it ready for the next packet from the host */ + if (!(Endpoint_IsReadWriteAllowed())) + Endpoint_ClearOUT(); + + /* Deselect all Dataflash chips */ + Dataflash_DeselectChip(); +} + +/** Reads blocks (OS blocks, not Dataflash pages) from the storage medium, the board Dataflash IC(s), into + * the pre-selected data IN endpoint. This routine reads in Dataflash page sized blocks from the Dataflash + * and writes them in OS sized blocks to the endpoint. + * + * \param[in] MSInterfaceInfo Pointer to a structure containing a Mass Storage Class configuration and state + * \param[in] BlockAddress Data block starting address for the read sequence + * \param[in] TotalBlocks Number of blocks of data to read + */ +void DataflashManager_ReadBlocks(USB_ClassInfo_MS_Device_t* const MSInterfaceInfo, + const uint32_t BlockAddress, + uint16_t TotalBlocks) +{ + uint16_t CurrDFPage = ((BlockAddress * VIRTUAL_MEMORY_BLOCK_SIZE) / DATAFLASH_PAGE_SIZE); + uint16_t CurrDFPageByte = ((BlockAddress * VIRTUAL_MEMORY_BLOCK_SIZE) % DATAFLASH_PAGE_SIZE); + uint8_t CurrDFPageByteDiv16 = (CurrDFPageByte >> 4); + + /* Select the correct starting Dataflash IC for the block requested */ + Dataflash_SelectChipFromPage(CurrDFPage); + + /* Send the Dataflash main memory page read command */ + Dataflash_SendByte(DF_CMD_MAINMEMPAGEREAD); + Dataflash_SendAddressBytes(CurrDFPage, CurrDFPageByte); + Dataflash_SendByte(0x00); + Dataflash_SendByte(0x00); + Dataflash_SendByte(0x00); + Dataflash_SendByte(0x00); + + /* Wait until endpoint is ready before continuing */ + if (Endpoint_WaitUntilReady()) + return; + + while (TotalBlocks) + { + uint8_t BytesInBlockDiv16 = 0; + + /* Read an endpoint packet sized data block from the Dataflash */ + while (BytesInBlockDiv16 < (VIRTUAL_MEMORY_BLOCK_SIZE >> 4)) + { + /* Check if the endpoint is currently full */ + if (!(Endpoint_IsReadWriteAllowed())) + { + /* Clear the endpoint bank to send its contents to the host */ + Endpoint_ClearIN(); + + /* Wait until the endpoint is ready for more data */ + if (Endpoint_WaitUntilReady()) + return; + } + + /* Check if end of Dataflash page reached */ + if (CurrDFPageByteDiv16 == (DATAFLASH_PAGE_SIZE >> 4)) + { + /* Reset the Dataflash buffer counter, increment the page counter */ + CurrDFPageByteDiv16 = 0; + CurrDFPage++; + + /* Select the next Dataflash chip based on the new Dataflash page index */ + Dataflash_SelectChipFromPage(CurrDFPage); + + /* Send the Dataflash main memory page read command */ + Dataflash_SendByte(DF_CMD_MAINMEMPAGEREAD); + Dataflash_SendAddressBytes(CurrDFPage, 0); + Dataflash_SendByte(0x00); + Dataflash_SendByte(0x00); + Dataflash_SendByte(0x00); + Dataflash_SendByte(0x00); + } + + /* Read one 16-byte chunk of data from the Dataflash */ + Endpoint_Write_8(Dataflash_ReceiveByte()); + Endpoint_Write_8(Dataflash_ReceiveByte()); + Endpoint_Write_8(Dataflash_ReceiveByte()); + Endpoint_Write_8(Dataflash_ReceiveByte()); + Endpoint_Write_8(Dataflash_ReceiveByte()); + Endpoint_Write_8(Dataflash_ReceiveByte()); + Endpoint_Write_8(Dataflash_ReceiveByte()); + Endpoint_Write_8(Dataflash_ReceiveByte()); + Endpoint_Write_8(Dataflash_ReceiveByte()); + Endpoint_Write_8(Dataflash_ReceiveByte()); + Endpoint_Write_8(Dataflash_ReceiveByte()); + Endpoint_Write_8(Dataflash_ReceiveByte()); + Endpoint_Write_8(Dataflash_ReceiveByte()); + Endpoint_Write_8(Dataflash_ReceiveByte()); + Endpoint_Write_8(Dataflash_ReceiveByte()); + Endpoint_Write_8(Dataflash_ReceiveByte()); + + /* Increment the Dataflash page 16 byte block counter */ + CurrDFPageByteDiv16++; + + /* Increment the block 16 byte block counter */ + BytesInBlockDiv16++; + + /* Check if the current command is being aborted by the host */ + if (MSInterfaceInfo->State.IsMassStoreReset) + return; + } + + /* Decrement the blocks remaining counter */ + TotalBlocks--; + } + + /* If the endpoint is full, send its contents to the host */ + if (!(Endpoint_IsReadWriteAllowed())) + Endpoint_ClearIN(); + + /* Deselect all Dataflash chips */ + Dataflash_DeselectChip(); +} + +/** Writes blocks (OS blocks, not Dataflash pages) to the storage medium, the board Dataflash IC(s), from + * the given RAM buffer. This routine reads in OS sized blocks from the buffer and writes them to the + * Dataflash in Dataflash page sized blocks. This can be linked to FAT libraries to write files to the + * Dataflash. + * + * \param[in] BlockAddress Data block s |