diff options
Diffstat (limited to 'lib/lufa/Demos/Device/ClassDriver/MassStorage')
14 files changed, 0 insertions, 4379 deletions
diff --git a/lib/lufa/Demos/Device/ClassDriver/MassStorage/Config/AppConfig.h b/lib/lufa/Demos/Device/ClassDriver/MassStorage/Config/AppConfig.h deleted file mode 100644 index b18b2c4149..0000000000 --- a/lib/lufa/Demos/Device/ClassDriver/MassStorage/Config/AppConfig.h +++ /dev/null @@ -1,50 +0,0 @@ -/* - 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/MassStorage/Config/LUFAConfig.h b/lib/lufa/Demos/Device/ClassDriver/MassStorage/Config/LUFAConfig.h deleted file mode 100644 index 0ec4635eb0..0000000000 --- a/lib/lufa/Demos/Device/ClassDriver/MassStorage/Config/LUFAConfig.h +++ /dev/null @@ -1,126 +0,0 @@ -/* - 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 4 -// #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/MassStorage/Descriptors.c b/lib/lufa/Demos/Device/ClassDriver/MassStorage/Descriptors.c deleted file mode 100644 index 115a7482c4..0000000000 --- a/lib/lufa/Demos/Device/ClassDriver/MassStorage/Descriptors.c +++ /dev/null @@ -1,194 +0,0 @@ -/* - 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 - * - * 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" - - -/** 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 = 0x2045, - .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 = 1, - - .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 - } -}; - -/** 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 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; - } - - *DescriptorAddress = Address; - return Size; -} - diff --git a/lib/lufa/Demos/Device/ClassDriver/MassStorage/Descriptors.h b/lib/lufa/Demos/Device/ClassDriver/MassStorage/Descriptors.h deleted file mode 100644 index 1124deb643..0000000000 --- a/lib/lufa/Demos/Device/ClassDriver/MassStorage/Descriptors.h +++ /dev/null @@ -1,98 +0,0 @@ -/* - 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 - * - * 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 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; - } 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 */ - }; - - /** 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/MassStorage/Lib/DataflashManager.c b/lib/lufa/Demos/Device/ClassDriver/MassStorage/Lib/DataflashManager.c deleted file mode 100644 index c0fd16ccc4..0000000000 --- a/lib/lufa/Demos/Device/ClassDriver/MassStorage/Lib/DataflashManager.c +++ /dev/null @@ -1,534 +0,0 @@ -/* - 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 starting address for the write sequence - * \param[in] TotalBlocks Number of blocks of data to write - * \param[in] BufferPtr Pointer to the data source RAM buffer - */ -void DataflashManager_WriteBlocks_RAM(const uint32_t BlockAddress, - uint16_t TotalBlocks, - uint8_t* BufferPtr) -{ - 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); - - 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 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_ToggleSelectedChipCS(); - Dataflash_SendByte(UsingSecondBuffer ? DF_CMD_BUFF2WRITE : DF_CMD_BUFF1WRITE); - Dataflash_SendAddressBytes(0, 0); - } - - /* Write one 16-byte chunk of data to the Dataflash */ - for (uint8_t ByteNum = 0; ByteNum < 16; ByteNum++) - Dataflash_SendByte(*(BufferPtr++)); - - /* Increment the Da |