--- /dev/null
+/*
+ LUFA Library
+ Copyright (C) Dean Camera, 2013.
+
+ dean [at] fourwalledcubicle [dot] com
+ www.lufa-lib.org
+*/
+
+/*
+ Copyright 2013 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
+ *
+ * Main source file for the Printer class bootloader. This file contains the complete bootloader logic.
+ */
+
+#include "BootloaderPrinter.h"
+
+/** Intel HEX parser state machine state information, to track the contents of
+ * a HEX file streamed in as a sequence of arbitrary bytes.
+ */
+struct
+{
+ /** Current HEX parser state machine state. */
+ uint8_t ParserState;
+ /** Previously decoded numerical byte of data. */
+ uint8_t PrevData;
+ /** Currently decoded numerical byte of data. */
+ uint8_t Data;
+ /** Indicates if both bytes that correspond to a single decoded numerical
+ * byte of data (HEX encodes values in ASCII HEX, two characters per byte)
+ * have been read.
+ */
+ bool ReadMSB;
+ /** Intel HEX record type of the current Intel HEX record. */
+ uint8_t RecordType;
+ /** Numerical bytes of data remaining to be read in the current record. */
+ uint8_t DataRem;
+ /** Checksum of the current record received so far. */
+ uint8_t Checksum;
+ /** Starting address of the last addressed FLASH page. */
+ uint32_t PageStartAddress;
+ /** Current 32-bit byte address in FLASH being targeted. */
+ uint32_t CurrAddress;
+} HEXParser =
+ {
+ .ParserState = HEX_PARSE_STATE_WAIT_LINE
+ };
+
+/** Indicates if there is data waiting to be written to a physical page of
+ * memory in FLASH.
+ */
+static bool PageDirty = false;
+
+/**
+ * Determines if a given input byte of data is an ASCII encoded HEX value.
+ *
+ * \note Input HEX bytes are expected to be in uppercase only.
+ *
+ * \param[in] Byte ASCII byte of data to check
+ *
+ * \return Boolean \c true if the input data is ASCII encoded HEX, false otherwise.
+ */
+static bool IsHex(const char Byte)
+{
+ return ((Byte >= 'A') && (Byte <= 'F')) ||
+ ((Byte >= '0') && (Byte <= '9'));
+}
+
+/**
+ * Converts a given input byte of data from an ASCII encoded HEX value to an integer value.
+ *
+ * \note Input HEX bytes are expected to be in uppercase only.
+ *
+ * \param[in] Byte ASCII byte of data to convert
+ *
+ * \return Integer converted value of the input ASCII encoded HEX byte of data.
+ */
+static uint8_t HexToDecimal(const char Byte)
+{
+ if ((Byte >= 'A') && (Byte <= 'F'))
+ return (10 + (Byte - 'A'));
+ else if ((Byte >= '0') && (Byte <= '9'))
+ return (Byte - '0');
+
+ return 0;
+}
+
+/**
+ * Parses an input Intel HEX formatted stream one character at a time, loading
+ * the data contents into the device's internal FLASH memory.
+ *
+ * \param[in] ReadCharacter Next input ASCII byte of data to parse
+ */
+static void ParseIntelHEXByte(const char ReadCharacter)
+{
+ if ((HEXParser.ParserState == HEX_PARSE_STATE_WAIT_LINE) || (ReadCharacter == ':'))
+ {
+ HEXParser.Checksum = 0;
+ HEXParser.CurrAddress &= ~0xFFFF;
+ HEXParser.ParserState = HEX_PARSE_STATE_WAIT_LINE;
+ HEXParser.ReadMSB = false;
+
+ if (ReadCharacter == ':')
+ HEXParser.ParserState = HEX_PARSE_STATE_BYTE_COUNT;
+
+ return;
+ }
+
+ if (!IsHex(ReadCharacter))
+ return;
+
+ HEXParser.Data = (HEXParser.Data << 4) | HexToDecimal(ReadCharacter);
+ HEXParser.ReadMSB = !HEXParser.ReadMSB;
+
+ if (HEXParser.ReadMSB)
+ return;
+
+ if (HEXParser.ParserState != HEX_PARSE_STATE_CHECKSUM)
+ HEXParser.Checksum += HEXParser.Data;
+
+ switch (HEXParser.ParserState)
+ {
+ case HEX_PARSE_STATE_BYTE_COUNT:
+ HEXParser.DataRem = HEXParser.Data;
+ HEXParser.ParserState = HEX_PARSE_STATE_ADDRESS_HIGH;
+ break;
+
+ case HEX_PARSE_STATE_ADDRESS_HIGH:
+ HEXParser.CurrAddress |= ((uint16_t)HEXParser.Data << 8);
+ HEXParser.ParserState = HEX_PARSE_STATE_ADDRESS_LOW;
+ break;
+
+ case HEX_PARSE_STATE_ADDRESS_LOW:
+ HEXParser.CurrAddress |= HEXParser.Data;
+ HEXParser.ParserState = HEX_PARSE_STATE_RECORD_TYPE;
+ break;
+
+ case HEX_PARSE_STATE_RECORD_TYPE:
+ HEXParser.RecordType = HEXParser.Data;
+ HEXParser.ParserState = (HEXParser.DataRem ? HEX_PARSE_STATE_READ_DATA : HEX_PARSE_STATE_CHECKSUM);
+ break;
+
+ case HEX_PARSE_STATE_READ_DATA:
+ HEXParser.DataRem--;
+
+ if (HEXParser.DataRem & 0x01)
+ {
+ HEXParser.PrevData = HEXParser.Data;
+ break;
+ }
+
+ switch (HEXParser.RecordType)
+ {
+ case HEX_RECORD_TYPE_Data:
+ if (!(PageDirty))
+ {
+ boot_page_erase(HEXParser.PageStartAddress);
+ boot_spm_busy_wait();
+
+ PageDirty = true;
+ }
+
+ boot_page_fill(HEXParser.CurrAddress, ((uint16_t)HEXParser.Data << 8) | HEXParser.PrevData);
+ HEXParser.CurrAddress += 2;
+
+ uint32_t NewPageStartAddress = (HEXParser.CurrAddress & ~(SPM_PAGESIZE - 1));
+ if (PageDirty && (HEXParser.PageStartAddress != NewPageStartAddress))
+ {
+ boot_page_write(HEXParser.PageStartAddress);
+ boot_spm_busy_wait();
+
+ HEXParser.PageStartAddress = NewPageStartAddress;
+
+ PageDirty = false;
+ }
+ break;
+
+ case HEX_RECORD_TYPE_ExtendedLinearAddress:
+ HEXParser.CurrAddress |= (uint32_t)HEXParser.Data << (HEXParser.DataRem ? 24 : 16);
+ break;
+ }
+
+ if (!HEXParser.DataRem)
+ HEXParser.ParserState = HEX_PARSE_STATE_CHECKSUM;
+ break;
+
+ case HEX_PARSE_STATE_CHECKSUM:
+ if (HEXParser.Data != ((~HEXParser.Checksum + 1) & 0xFF))
+ break;
+
+ uint32_t NewPageStartAddress = (HEXParser.CurrAddress & ~(SPM_PAGESIZE - 1));
+ if (PageDirty && (HEXParser.PageStartAddress != NewPageStartAddress))
+ {
+ boot_page_write(HEXParser.PageStartAddress);
+ boot_spm_busy_wait();
+
+ HEXParser.PageStartAddress = NewPageStartAddress;
+
+ PageDirty = false;
+ }
+
+ break;
+
+ default:
+ HEXParser.ParserState = HEX_PARSE_STATE_WAIT_LINE;
+ break;
+ }
+}
+
+/** Main program entry point. This routine configures the hardware required by the application, then
+ * enters a loop to run the application tasks in sequence.
+ */
+int main(void)
+{
+ SetupHardware();
+
+ LEDs_SetAllLEDs(LEDMASK_USB_NOTREADY);
+ GlobalInterruptEnable();
+
+ for (;;)
+ {
+ USB_USBTask();
+
+ Endpoint_SelectEndpoint(PRINTER_OUT_EPADDR);
+
+ /* Check if we have received new printer data from the host */
+ if (Endpoint_IsOUTReceived()) {
+ LEDs_ToggleLEDs(LEDMASK_USB_BUSY);
+
+ /* Read all bytes of data from the host and parse them */
+ while (Endpoint_IsReadWriteAllowed())
+ {
+ /* Feed the next byte of data to the HEX parser */
+ ParseIntelHEXByte(Endpoint_Read_8());
+ }
+
+ /* Send an ACK to the host, ready for the next data packet */
+ Endpoint_ClearOUT();
+
+ LEDs_SetAllLEDs(LEDMASK_USB_READY);
+ }
+ }
+}
+
+/** Configures the board hardware and chip peripherals for the demo's functionality. */
+void SetupHardware(void)
+{
+ /* Disable watchdog if enabled by bootloader/fuses */
+ MCUSR &= ~(1 << WDRF);
+ wdt_disable();
+
+ /* Disable clock division */
+ clock_prescale_set(clock_div_1);
+
+ /* Relocate the interrupt vector table to the bootloader section */
+ MCUCR = (1 << IVCE);
+ MCUCR = (1 << IVSEL);
+
+ /* Hardware Initialization */
+ LEDs_Init();
+ USB_Init();
+}
+
+/** Event handler for the USB_Connect event. This indicates that the device is enumerating via the status LEDs. */
+void EVENT_USB_Device_Connect(void)
+{
+ /* Indicate USB enumerating */
+ LEDs_SetAllLEDs(LEDMASK_USB_ENUMERATING);
+}
+
+/** Event handler for the USB_Disconnect event. This indicates that the device is no longer connected to a host via
+ * the status LEDs and stops the Mass Storage management task.
+ */
+void EVENT_USB_Device_Disconnect(void)
+{
+ /* Indicate USB not ready */
+ LEDs_SetAllLEDs(LEDMASK_USB_NOTREADY);
+}
+
+/** Event handler for the USB_ConfigurationChanged event. This is fired when the host set the current configuration
+ * of the USB device after enumeration - the device endpoints are configured and the Mass Storage management task started.
+ */
+void EVENT_USB_Device_ConfigurationChanged(void)
+{
+ bool ConfigSuccess = true;
+
+ /* Setup Printer Data Endpoints */
+ ConfigSuccess &= Endpoint_ConfigureEndpoint(PRINTER_IN_EPADDR, EP_TYPE_BULK, PRINTER_IO_EPSIZE, 1);
+ ConfigSuccess &= Endpoint_ConfigureEndpoint(PRINTER_OUT_EPADDR, EP_TYPE_BULK, PRINTER_IO_EPSIZE, 1);
+
+ /* Indicate endpoint configuration success or failure */
+ LEDs_SetAllLEDs(ConfigSuccess ? LEDMASK_USB_READY : LEDMASK_USB_ERROR);
+}
+
+/** Event handler for the USB_ControlRequest event. This is used to catch and process control requests sent to
+ * the device from the USB host before passing along unhandled control requests to the library for processing
+ * internally.
+ */
+void EVENT_USB_Device_ControlRequest(void)
+{
+ /* Process Printer specific control requests */
+ switch (USB_ControlRequest.bRequest)
+ {
+ case PRNT_REQ_GetDeviceID:
+ if (USB_ControlRequest.bmRequestType == (REQDIR_DEVICETOHOST | REQTYPE_CLASS | REQREC_INTERFACE))
+ {
+ /* Generic printer IEEE 1284 identification string, will bind to an in-built driver on
+ * Windows systems, and will fall-back to a text-only printer driver on *nix.
+ */
+ const char PrinterIDString[] =
+ "MFG:Generic;"
+ "MDL:Generic_/_Text_Only;"
+ "CMD:1284.4;"
+ "CLS:PRINTER";
+
+ Endpoint_ClearSETUP();
+ Endpoint_Write_16_BE(sizeof(PrinterIDString));
+ Endpoint_Write_Control_Stream_LE(PrinterIDString, strlen(PrinterIDString));
+ Endpoint_ClearStatusStage();
+ }
+
+ break;
+ case PRNT_REQ_GetPortStatus:
+ if (USB_ControlRequest.bmRequestType == (REQDIR_DEVICETOHOST | REQTYPE_CLASS | REQREC_INTERFACE))
+ {
+ Endpoint_ClearSETUP();
+ Endpoint_Write_8(PRNT_PORTSTATUS_NOTERROR | PRNT_PORTSTATUS_SELECT);
+ Endpoint_ClearStatusStage();
+ }
+
+ break;
+ case PRNT_REQ_SoftReset:
+ if (USB_ControlRequest.bmRequestType == (REQDIR_HOSTTODEVICE | REQTYPE_CLASS | REQREC_INTERFACE))
+ {
+ Endpoint_ClearSETUP();
+ Endpoint_ClearStatusStage();
+ }
+
+ break;
+ }
+}
--- /dev/null
+/*
+ LUFA Library
+ Copyright (C) Dean Camera, 2013.
+
+ dean [at] fourwalledcubicle [dot] com
+ www.lufa-lib.org
+*/
+
+/*
+ Copyright 2013 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 Printer.c.
+ */
+
+#ifndef _PRINTER_H_
+#define _PRINTER_H_
+
+ /* Includes: */
+ #include <avr/io.h>
+ #include <avr/wdt.h>
+ #include <avr/power.h>
+ #include <avr/interrupt.h>
+
+ #include "Descriptors.h"
+
+ #include <LUFA/Drivers/USB/USB.h>
+ #include <LUFA/Drivers/Board/LEDs.h>
+
+ /* Macros: */
+ /** LED mask for the library LED driver, to indicate that the USB interface is not ready. */
+ #define LEDMASK_USB_NOTREADY LEDS_LED1
+
+ /** LED mask for the library LED driver, to indicate that the USB interface is enumerating. */
+ #define LEDMASK_USB_ENUMERATING (LEDS_LED2 | LEDS_LED3)
+
+ /** LED mask for the library LED driver, to indicate that the USB interface is ready. */
+ #define LEDMASK_USB_READY (LEDS_LED2 | LEDS_LED4)
+
+ /** LED mask for the library LED driver, to indicate that an error has occurred in the USB interface. */
+ #define LEDMASK_USB_ERROR (LEDS_LED1 | LEDS_LED3)
+
+ /** LED mask for the library LED driver, to indicate that the USB interface is busy. */
+ #define LEDMASK_USB_BUSY LEDS_LED2
+
+ /* Enums: */
+ /** Intel HEX parser state machine states. */
+ enum HEX_Parser_States_t
+ {
+ HEX_PARSE_STATE_WAIT_LINE, /**< Parser is waiting for a HEX Start of Line character. */
+ HEX_PARSE_STATE_BYTE_COUNT, /**< Parser is waiting for a record byte count. */
+ HEX_PARSE_STATE_ADDRESS_HIGH, /**< Parser is waiting for the MSB of a record address. */
+ HEX_PARSE_STATE_ADDRESS_LOW, /**< Parser is waiting for the LSB of a record address. */
+ HEX_PARSE_STATE_RECORD_TYPE, /**< Parser is waiting for the record type. */
+ HEX_PARSE_STATE_READ_DATA, /**< Parser is waiting for more data in the current record. */
+ HEX_PARSE_STATE_CHECKSUM, /**< Parser is waiting for the checksum of the current record. */
+ };
+
+ /** Intel HEX record types, used to indicate the type of record contained in a line of a HEX file. */
+ enum HEX_Record_Types_t
+ {
+ HEX_RECORD_TYPE_Data = 0, /**< Record contains loadable data. */
+ HEX_RECORD_TYPE_EndOfFile = 1, /**< End of file record. */
+ HEX_RECORD_TYPE_ExtendedSegmentAddress = 2, /**< Extended segment start record. */
+ HEX_RECORD_TYPE_StartSegmentAddress = 3, /**< Normal segment start record. */
+ HEX_RECORD_TYPE_ExtendedLinearAddress = 4, /**< Extended linear address start record. */
+ HEX_RECORD_TYPE_StartLinearAddress = 5, /**< Linear address start record. */
+ };
+
+ /* Function Prototypes: */
+ void SetupHardware(void);
+
+ void EVENT_USB_Device_Connect(void);
+ void EVENT_USB_Device_Disconnect(void);
+ void EVENT_USB_Device_ConfigurationChanged(void);
+ void EVENT_USB_Device_ControlRequest(void);
+
+#endif
+
--- /dev/null
+/*
+ LUFA Library
+ Copyright (C) Dean Camera, 2013.
+
+ dean [at] fourwalledcubicle [dot] com
+ www.lufa-lib.org
+*/
+
+/*
+ Copyright 2013 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 0
+ #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
+
+ #else
+
+ #error Unsupported architecture for this LUFA configuration file.
+
+ #endif
+#endif
--- /dev/null
+/*
+ LUFA Library
+ Copyright (C) Dean Camera, 2013.
+
+ dean [at] fourwalledcubicle [dot] com
+ www.lufa-lib.org
+*/
+
+/*
+ Copyright 2013 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 DeviceDescriptor =
+{
+ .Header = {.Size = sizeof(USB_Descriptor_Device_t), .Type = DTYPE_Device},
+
+ .USBSpecification = VERSION_BCD(01.10),
+ .Class = USB_CSCP_NoDeviceClass,
+ .SubClass = USB_CSCP_NoDeviceSubclass,
+ .Protocol = USB_CSCP_NoDeviceProtocol,
+
+ .Endpoint0Size = FIXED_CONTROL_ENDPOINT_SIZE,
+
+ .VendorID = 0x03EB,
+ .ProductID = 0xFFEF,
+ .ReleaseNumber = VERSION_BCD(00.01),
+
+ .ManufacturerStrIndex = 0x01,
+ .ProductStrIndex = 0x02,
+ .SerialNumStrIndex = NO_DESCRIPTOR,
+
+ .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 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)
+ },
+
+ .Printer_Interface =
+ {
+ .Header = {.Size = sizeof(USB_Descriptor_Interface_t), .Type = DTYPE_Interface},
+
+ .InterfaceNumber = 0,
+ .AlternateSetting = 0,
+
+ .TotalEndpoints = 2,
+
+ .Class = PRNT_CSCP_PrinterClass,
+ .SubClass = PRNT_CSCP_PrinterSubclass,
+ .Protocol = PRNT_CSCP_BidirectionalProtocol,
+
+ .InterfaceStrIndex = NO_DESCRIPTOR
+ },
+
+ .Printer_DataInEndpoint =
+ {
+ .Header = {.Size = sizeof(USB_Descriptor_Endpoint_t), .Type = DTYPE_Endpoint},
+
+ .EndpointAddress = PRINTER_IN_EPADDR,
+ .Attributes = (EP_TYPE_BULK | ENDPOINT_ATTR_NO_SYNC | ENDPOINT_USAGE_DATA),
+ .EndpointSize = PRINTER_IO_EPSIZE,
+ .PollingIntervalMS = 0x05
+ },
+
+ .Printer_DataOutEndpoint =
+ {
+ .Header = {.Size = sizeof(USB_Descriptor_Endpoint_t), .Type = DTYPE_Endpoint},
+
+ .EndpointAddress = PRINTER_OUT_EPADDR,
+ .Attributes = (EP_TYPE_BULK | ENDPOINT_ATTR_NO_SYNC | ENDPOINT_USAGE_DATA),
+ .EndpointSize = PRINTER_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 LanguageString =
+{
+ .Header = {.Size = USB_STRING_LEN(1), .Type = DTYPE_String},
+
+ .UnicodeString = {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 ManufacturerString =
+{
+ .Header = {.Size = USB_STRING_LEN(11), .Type = DTYPE_String},
+
+ .UnicodeString = 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 ProductString =
+{
+ .Header = {.Size = USB_STRING_LEN(23), .Type = DTYPE_String},
+
+ .UnicodeString = L"LUFA Printer Bootloader"
+};
+
+/** 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 uint8_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 0x00:
+ Address = &LanguageString;
+ Size = pgm_read_byte(&LanguageString.Header.Size);
+ break;
+ case 0x01:
+ Address = &ManufacturerString;
+ Size = pgm_read_byte(&ManufacturerString.Header.Size);
+ break;
+ case 0x02:
+ Address = &ProductString;
+ Size = pgm_read_byte(&ProductString.Header.Size);
+ break;
+ }
+
+ break;
+ }
+
+ *DescriptorAddress = Address;
+ return Size;
+}
+
--- /dev/null
+/*
+ LUFA Library
+ Copyright (C) Dean Camera, 2013.
+
+ dean [at] fourwalledcubicle [dot] com
+ www.lufa-lib.org
+*/
+
+/*
+ Copyright 2013 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 <LUFA/Drivers/USB/USB.h>
+ #include <LUFA/Drivers/USB/Class/Common/PrinterClassCommon.h>
+
+ #include <avr/pgmspace.h>
+
+ /* Macros: */
+ /** Endpoint address of the Printer device-to-host data IN endpoint. */
+ #define PRINTER_IN_EPADDR (ENDPOINT_DIR_IN | 3)
+
+ /** Endpoint address of the Printer host-to-device data OUT endpoint. */
+ #define PRINTER_OUT_EPADDR (ENDPOINT_DIR_OUT | 4)
+
+ /** Size in bytes of the Printer data endpoints. */
+ #define PRINTER_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;
+
+ // Printer Interface
+ USB_Descriptor_Interface_t Printer_Interface;
+ USB_Descriptor_Endpoint_t Printer_DataInEndpoint;
+ USB_Descriptor_Endpoint_t Printer_DataOutEndpoint;
+ } USB_Descriptor_Configuration_t;
+
+ /* Function Prototypes: */
+ uint16_t CALLBACK_USB_GetDescriptor(const uint16_t wValue,
+ const uint8_t wIndex,
+ const void** const DescriptorAddress)
+ ATTR_WARN_UNUSED_RESULT ATTR_NON_NULL_PTR_ARG(3);
+
+#endif
+
--- /dev/null
+#\r
+# LUFA Library\r
+# Copyright (C) Dean Camera, 2013.\r
+#\r
+# dean [at] fourwalledcubicle [dot] com\r
+# www.lufa-lib.org\r
+#\r
+# --------------------------------------\r
+# LUFA Project Makefile.\r
+# --------------------------------------\r
+\r
+# Run "make help" for target help.\r
+\r
+MCU = at90usb1287\r
+ARCH = AVR8\r
+BOARD = USBKEY\r
+F_CPU = 8000000\r
+F_USB = $(F_CPU)\r
+OPTIMIZATION = s\r
+TARGET = BootloaderPrinter\r
+SRC = $(TARGET).c Descriptors.c $(LUFA_SRC_USB)\r
+LUFA_PATH = ../../LUFA\r
+CC_FLAGS = -DUSE_LUFA_CONFIG_HEADER -IConfig/ -DBOOT_START_ADDR=$(BOOT_START_OFFSET)\r
+LD_FLAGS = -Wl,--section-start=.text=$(BOOT_START_OFFSET) $(BOOT_API_LD_FLAGS)\r
+\r
+# Flash size and bootloader section sizes of the target, in KB. These must\r
+# match the target's total FLASH size and the bootloader size set in the\r
+# device's fuses.\r
+FLASH_SIZE_KB = 128\r
+BOOT_SECTION_SIZE_KB = 8\r
+\r
+# Bootloader address calculation formulas\r
+# Do not modify these macros, but rather modify the dependent values above.\r
+CALC_ADDRESS_IN_HEX = $(shell printf "0x%X" $$(( $(1) )) )\r
+BOOT_START_OFFSET = $(call CALC_ADDRESS_IN_HEX, ($(FLASH_SIZE_KB) - $(BOOT_SECTION_SIZE_KB)) * 1024 )\r
+BOOT_SEC_OFFSET = $(call CALC_ADDRESS_IN_HEX, ($(FLASH_SIZE_KB) * 1024) - $(strip $(1)) )\r
+\r
+# Default target\r
+all:\r
+\r
+# Include LUFA build script makefiles\r
+include $(LUFA_PATH)/Build/lufa_core.mk\r
+include $(LUFA_PATH)/Build/lufa_sources.mk\r
+include $(LUFA_PATH)/Build/lufa_build.mk\r
+include $(LUFA_PATH)/Build/lufa_cppcheck.mk\r
+include $(LUFA_PATH)/Build/lufa_doxygen.mk\r
+include $(LUFA_PATH)/Build/lufa_avrdude.mk\r
+include $(LUFA_PATH)/Build/lufa_atprogram.mk\r
/** \page Page_ChangeLog Project Changelog
*
* \section Sec_ChangeLogXXXXXX Version XXXXXX
- * No changes.
+ * <b>New:</b>
+ * - Library Applications:
+ * - Added new Printer class bootloader
*
* \section Sec_ChangeLog130303 Version 130303
* <b>New:</b>
projects / pub / USBasp.git / commitdiff