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diskloader source and binary for 32u4

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This commit is contained in:
Zach Eveland 2011-08-11 10:31:39 -04:00
parent cdf887b10b
commit 0ecdd723cf
12 changed files with 1902 additions and 1 deletions
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2
hardware/arduino/boards.txt
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@ -8,7 +8,7 @@ leonardo.bootloader.low_fuses=0xde
leonardo.bootloader.high_fuses=0xd8
leonardo.bootloader.extended_fuses=0xf3
leonardo.bootloader.path=diskloader
leonardo.bootloader.file=diskloader_atmega32u4.hex
leonardo.bootloader.file=DiskLoader.hex
leonardo.bootloader.unlock_bits=0x3F
leonardo.bootloader.lock_bits=0x0F
leonardo.build.mcu=atmega32u4

106
hardware/arduino/bootloaders/diskloader/Arduino_Leonardo.inf Normal file
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@ -0,0 +1,106 @@
;************************************************************
; Windows USB CDC ACM Setup File
; Copyright (c) 2000 Microsoft Corporation
[Version]
Signature="$Windows NT$"
Class=Ports
ClassGuid={4D36E978-E325-11CE-BFC1-08002BE10318}
Provider=%MFGNAME%
LayoutFile=layout.inf
CatalogFile=%MFGFILENAME%.cat
DriverVer=11/15/2007,5.1.2600.0
[Manufacturer]
%MFGNAME%=DeviceList, NTamd64
[DestinationDirs]
DefaultDestDir=12
;------------------------------------------------------------------------------
; Windows 2000/XP/Vista-32bit Sections
;------------------------------------------------------------------------------
[DriverInstall.nt]
include=mdmcpq.inf
CopyFiles=DriverCopyFiles.nt
AddReg=DriverInstall.nt.AddReg
[DriverCopyFiles.nt]
usbser.sys,,,0x20
[DriverInstall.nt.AddReg]
HKR,,DevLoader,,*ntkern
HKR,,NTMPDriver,,%DRIVERFILENAME%.sys
HKR,,EnumPropPages32,,"MsPorts.dll,SerialPortPropPageProvider"
[DriverInstall.nt.Services]
AddService=usbser, 0x00000002, DriverService.nt
[DriverService.nt]
DisplayName=%SERVICE%
ServiceType=1
StartType=3
ErrorControl=1
ServiceBinary=%12%\%DRIVERFILENAME%.sys
;------------------------------------------------------------------------------
; Vista-64bit Sections
;------------------------------------------------------------------------------
[DriverInstall.NTamd64]
include=mdmcpq.inf
CopyFiles=DriverCopyFiles.NTamd64
AddReg=DriverInstall.NTamd64.AddReg
[DriverCopyFiles.NTamd64]
%DRIVERFILENAME%.sys,,,0x20
[DriverInstall.NTamd64.AddReg]
HKR,,DevLoader,,*ntkern
HKR,,NTMPDriver,,%DRIVERFILENAME%.sys
HKR,,EnumPropPages32,,"MsPorts.dll,SerialPortPropPageProvider"
[DriverInstall.NTamd64.Services]
AddService=usbser, 0x00000002, DriverService.NTamd64
[DriverService.NTamd64]
DisplayName=%SERVICE%
ServiceType=1
StartType=3
ErrorControl=1
ServiceBinary=%12%\%DRIVERFILENAME%.sys
;------------------------------------------------------------------------------
; Vendor and Product ID Definitions
;------------------------------------------------------------------------------
; When developing your USB device, the VID and PID used in the PC side
; application program and the firmware on the microcontroller must match.
; Modify the below line to use your VID and PID. Use the format as shown below.
; Note: One INF file can be used for multiple devices with different VID and PIDs.
; For each supported device, append ",USB\VID_xxxx&PID_yyyy" to the end of the line.
;------------------------------------------------------------------------------
[SourceDisksFiles]
[SourceDisksNames]
[DeviceList]
%DESCRIPTION%=DriverInstall, USB\VID_2341&PID_0020&MI_00
[DeviceList.NTamd64]
%DESCRIPTION%=DriverInstall, USB\VID_2341&PID_0020&MI_00
;------------------------------------------------------------------------------
; String Definitions
;------------------------------------------------------------------------------
;Modify these strings to customize your device
;------------------------------------------------------------------------------
[Strings]
MFGFILENAME="CDC_vista"
DRIVERFILENAME ="usbser"
MFGNAME="Arduino LLC (www.arduino.cc)"
INSTDISK="Arduino Leonardo Driver Installer"
DESCRIPTION="Arduino Lenonardo"
SERVICE="USB RS-232 Emulation Driver"

95
hardware/arduino/bootloaders/diskloader/DiskLoader.hex Normal file
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@ -0,0 +1,95 @@
:1078000011241FBECFEFDAE0DEBFCDBFC4C04101FF
:1078100042144505560455026403740300001E9586
:1078200087020110030000C18081C106C0FF0A0069
:107830000CA10185037508150026FF00954009017C
:107840008102954009029102C0040309041A033021
:1078500000300030003000300030003000300031A7
:1078600000370030003100120100020200004041E8
:1078700023200000010000010112010002000000AD
:1078800040412320000001000001010902640003BF
:1078900001008032080B000202020100090400000E
:1078A0000102020000052400100105240101010469
:1078B0002402020524060001070581031000400987
:1078C000040100020A000000070502024000000750
:1078D00005830240000009040200010300000009C2
:1078E0002101010001221E00070584034000400021
:1078F00080918A0190918B01019690938B018093E6
:107900008A01089581E08093E0001092E200EE2762
:10791000FF27099408950F931F93CF93DF93982F18
:10792000EB01042F10E088E76030780730F411E0B5
:1079300083E0FB0180935700E895892F68E071E0B0
:10794000402FCED0112311F107B600FCFDCF402F00
:107950004695FE01A8E0B1E020E031E009C08D913C
:107960009D910C0130935700E895112432962F5FBA
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:1079800000FCFDCF81E180935700E895DF91CF9116
:107990001F910F9108958BD084E18093880180E13D
:1079A00080938901E0E0F0E0859194918F5F9F4F93
:1079B00019F081E080938D01EE24FF24DD24D3941F
:1079C000D6D1082F8EE098E7FC01249131960296DB
:1079D0004491201711F02223B9F710928F011092D1
:1079E0008E0182E068E071E07BD0013479F460912F
:1079F00008016058633028F0683111F064E001C07C
:107A000063E0C62FD0E0CF5DD74808C0063579F4D3
:107A100080910801803321F0C5E2D8E711E029C048
:107A200080910A01C82FD0E0C25ED748F7CF053752
:107A300021F4CEE1D8E713E01CC0053539F4E0901D
:107A40000801F0900901EE0CFF1C0AC0043631F465
:107A500082E0B701409109015EDF02C0043721F0E6
:107A6000C5E2D8E710E005C010910901E701E10E79
:107A7000F11C7DD18097B1F483E068E871E041E0CA
:107A800050E044D0112329F0412F50E083E8BE019B
:107A90003DD083E469E871E041E050E037D0013542
:107AA00009F08ECFD0928D01EE24FF2489CF109261
:107AB0008F0110928E0110928C0110928D0181E045
:107AC0008093D70080EA8093D80082E189BD09B411
:107AD00000FEFDCF80E98093D8001092E000089569
:107AE000FB018093E9009BE60EC08091E80085FFD2
:107AF000FCCF8091F10081938091E80085FD02C068
:107B00009093E8004150442381F70895982FFB019A
:107B1000282F207287708093E9003AE314C0809187
:107B2000E80085FFFCCF97FF02C0849101C08081EF
:107B30003196211180E08093F1008091E80085FD6D
:107B400002C03093E800415050408FEF4F3F58073C
:107B500031F796FF03C08AE38093E800089580918F
:107B60009101813279F420E030E003C0808180937C
:107B7000F100F901E050FF4F2F5F3F4F28303105F2
:107B8000A9F71EC08032B1F48091E80082FFFCCFDB
:107B900020E030E003C08091F1008083F901E050E3
:107BA000FF4F2F5F3F4F28303105A9F78BEF8093B0
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:107C000080919201882319F4E9E4F8E72AC08130D1
:107C100021F5EDE4F8E725C081E0EBE2F8E790918B
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:107C3000E8008570E1F38091E80082FD0EC09F5F4F
:107C400084918093F100892F8F7311F43093E800B1
:107C50003196921760F381E0089580E00895E7E699
:107C6000F8E78491DCCF1092E9008091E80083FF6F
:107C70005FC0E0E9F1E003C08091F100819381E011
:107C8000E839F807C9F782EF8093E8008091900106
:107C900087FF05C08091E80080FFFCCF03C08EEF16
:107CA0008093E80080919101853051F48091E80043
:107CB00080FFFCCF8091920180688093E30031C007
:107CC0008930E1F48091920180938C01E7E2F8E73A
:107CD00091E031E026E39093E9003093EB0084914A
:107CE0008093EC002093ED009F5F3196953099F7DB
:107CF0008EE78093EA001092EA0013C0883029F4DE
:107D000080918C018093F1000CC0882319F41092AB
:107D1000F10007C0863011F455DF01C020DF882351
:107D200021F08EEF8093E800089581E28093EB00CC
:107D300008958091E1001092E100282F83FF0CC08C
:107D40001092E90081E08093EB001092EC0082E356
:107D50008093ED0010928C0122FF08C080918D016C
:107D6000882321F410928F0110928E0108951F93A1
:107D700012E079DFDEDF1093E9008091E80085FFF3
:107D80000DC09091F1008091E80085FD03C08BE665
:107D90008093E800892F90E01F91089580918E01D3
:107DA00090918F01019790938F0180938E01809124
:107DB0008E0190918F01892B09F4A4DD99DDD9CF33
:087DC00000E1000000000000DA
:040000030000780081
:00000001FF

99
hardware/arduino/bootloaders/diskloader/Makefile Normal file
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@ -0,0 +1,99 @@
###############################################################################
# Makefile for DiskLoader
###############################################################################
## General Flags
PROJECT = DiskLoader
TARGET = DiskLoader.elf
CC = avr-gcc
# BOARD2
MCU = atmega32u4
AVR_FREQ = 16000000L
# Change if your programmer is different
AVRDUDE_PROGRAMMER = avrispmkII
AVRDUDE_PORT = usb
# program name should not be changed...
PROGRAM = DiskLoader
AVRDUDE = avrdude
AVRDUDE_FLAGS = -p $(MCU) -P $(AVRDUDE_PORT) -c $(AVRDUDE_PROGRAMMER) -p $(MCU)
## Options common to compile, link and assembly rules
COMMON = -mmcu=$(MCU)
override CFLAGS = -g -Wall -Os -mmcu=$(MCU) -DF_CPU=$(AVR_FREQ) $(DEFS) -ffunction-sections -gdwarf-2 -fdata-sections -fno-split-wide-types
## Assembly specific flags
ASMFLAGS = $(COMMON)
ASMFLAGS += $(CFLAGS)
ASMFLAGS += -x assembler-with-cpp -Wa,-gdwarf2
## Linker flags
LDFLAGS = $(COMMON)
LDFLAGS += -Wl,-gc-sections,-Map=DiskLoader.map,--section-start=.text=0x7800,--relax
LDFLAGS += -nodefaultlibs -nostartfiles
## Intel Hex file production flags
HEX_EEPROM_FLAGS = -j .eeprom
HEX_EEPROM_FLAGS += --set-section-flags=.eeprom="alloc,load"
HEX_EEPROM_FLAGS += --change-section-lma .eeprom=0 --no-change-warnings
## Objects explicitly added by the user
LINKONLYOBJECTS =
MODULES := .
SRC_DIR := $(addprefix src/,$(MODULES))
BUILD_DIR := $(addprefix build/,$(MODULES))
SRC := $(foreach sdir,$(SRC_DIR),$(wildcard $(sdir)/*.cpp))
OBJ := $(patsubst src/%.cpp,build/%.o,$(SRC))
DEP := $(OBJ:%.o=%.d)
INCLUDES := $(addprefix -I,$(SRC_DIR))
vpath %.cpp $(SRC_DIR)
.PHONY: all checkdirs clean
all: checkdirs $(TARGET) DiskLoader.hex DiskLoader.lss size
-include $(DEP)
checkdirs: $(BUILD_DIR)
$(BUILD_DIR):
@mkdir -p $@
clean:
@rm -rf build/
@rm -f *.hex
@rm -f *.elf
@rm -f *.lss
@rm -f *.map
define make-goal
$1/%.o: %.cpp
$(CC) $(INCLUDES) $(CFLAGS) -c $$< -MD -o $$@
endef
$(foreach bdir,$(BUILD_DIR),$(eval $(call make-goal,$(bdir))))
$(TARGET): $(OBJ)
$(CC) $(LDFLAGS) $(LINKONLYOBJECTS) $(LIBDIRS) $(LIBS) $^ -o $@
%.hex: $(TARGET)
avr-objcopy -O ihex $(HEX_FLASH_FLAGS) $< $@
%.lss: $(TARGET)
avr-objdump -h -S $< > $@
size: $(TARGET)
@echo
# @avr-size -C --mcu=${MCU} ${TARGET}.elf
program: $(TARGET).hex
$(AVRDUDE) $(AVRDUDE_FLAGS) -B 5 -u -U flash:w:$(TARGET).hex

246
hardware/arduino/bootloaders/diskloader/src/DiskLoader.cpp Normal file
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@ -0,0 +1,246 @@
#include "Platform.h"
// This bootloader creates a composite Serial/Mass storage device
//
// The serial interface supports a STK500v1 protocol that is very similar to optiboot
// The mass storage interface emulates a disk image that is used to read or write firmware.bin files
// Delete firmware.bin and copy a new binary (not .hex) file to flash the firmware i.e:
//
// cp firmware.bin f:/. -f
//
// Ejecting the disk will run the firmware
//
// The bootloader will timeout and start the firmware after a few hundred milliseconds
// if a usb connection is not detected.
//
// The tweakier code is to keep the bootloader below 2k (no interrupt table, for example)
extern "C"
void entrypoint(void) __attribute__ ((naked)) __attribute__ ((section (".vectors")));
void entrypoint(void)
{
asm volatile (
"eor r1, r1\n" // Zero register
"out 0x3F, r1\n" // SREG
"ldi r28, 0xFF\n"
"ldi r29, 0x0A\n"
"out 0x3E, r29\n" // SPH
"out 0x3D, r28\n" // SPL
"rjmp main" // Stack is all set up, start the main code
::);
}
u8 _flashbuf[128];
u8 _inSync;
u8 _ok;
extern volatile u8 _ejected;
extern volatile u16 _timeout;
void Program(u8 ep, u16 page, u8 count)
{
u8 write = page < 30*1024; // Don't write over firmware please
if (write)
boot_page_erase(page);
Recv(ep,_flashbuf,count); // Read while page is erasing
if (!write)
return;
boot_spm_busy_wait(); // Wait until the memory is erased.
count >>= 1;
u16* p = (u16*)page;
u16* b = (u16*)_flashbuf;
for (u8 i = 0; i < count; i++)
boot_page_fill(p++, b[i]);
boot_page_write(page);
boot_spm_busy_wait();
boot_rww_enable ();
}
int USBGetChar();
#define getch USBGetChar
#define HW_VER 0x02
#define SW_MAJOR 0x01
#define SW_MINOR 0x10
#define STK_OK 0x10
#define STK_INSYNC 0x14 // ' '
#define CRC_EOP 0x20 // 'SPACE'
#define STK_GET_SYNC 0x30 // '0'
#define STK_GET_PARAMETER 0x41 // 'A'
#define STK_SET_DEVICE 0x42 // 'B'
#define STK_SET_DEVICE_EXT 0x45 // 'E'
#define STK_LOAD_ADDRESS 0x55 // 'U'
#define STK_UNIVERSAL 0x56 // 'V'
#define STK_PROG_PAGE 0x64 // 'd'
#define STK_READ_PAGE 0x74 // 't'
#define STK_READ_SIGN 0x75 // 'u'
extern const u8 _readSize[] PROGMEM;
const u8 _readSize[] =
{
STK_GET_PARAMETER, 1,
STK_SET_DEVICE, 20,
STK_SET_DEVICE_EXT, 5,
STK_UNIVERSAL, 4,
STK_LOAD_ADDRESS, 2,
STK_PROG_PAGE, 3,
STK_READ_PAGE, 3,
0,0
};
extern const u8 _consts[] PROGMEM;
const u8 _consts[] =
{
SIGNATURE_0,
SIGNATURE_1,
SIGNATURE_2,
HW_VER, // Hardware version
SW_MAJOR, // Software major version
SW_MINOR, // Software minor version
0x03, // Unknown but seems to be required by avr studio 3.56
0x00, //
};
void USBInit(void);
extern u8 _sector3[512];
int main(void) __attribute__ ((naked));
// STK500v1 main loop, very similar to optiboot in protocol and implementation
int main()
{
BOARD_INIT();
USBInit();
#ifdef WRITABLE_DIRECTORY
_sector3[0] = 0;
#endif
_inSync = STK_INSYNC;
_ok = STK_OK;
#ifndef MSC_ENABLED
if (pgm_read_word(0) != -1)
_ejected = 1;
#endif
for(;;)
{
u8* packet = _flashbuf;
u16 address = 0;
for (;;)
{
u8 cmd = getch();
// Read packet contents
u8 len;
const u8* rs = _readSize;
for(;;)
{
u8 c = pgm_read_byte(rs++);
len = pgm_read_byte(rs++);
if (c == cmd || c == 0)
break;
}
#ifndef MSC_ENABLED
_timeout = 0;
#endif
// Read params
Recv(CDC_RX,packet,len);
// Send a response
u8 send = 0;
const u8* pgm = _consts+7; // 0
if (STK_GET_PARAMETER == cmd)
{
u8 i = packet[0] - 0x80;
if (i > 2)
i = (i == 0x18) ? 3 : 4; // 0x80:HW_VER,0x81:SW_MAJOR,0x82:SW_MINOR,0x18:3 or 0
pgm = _consts + i + 3;
send = 1;
}
else if (STK_UNIVERSAL == cmd)
{
if (packet[0] == 0x30)
pgm = _consts + packet[2]; // read signature
send = 1;
}
// Read signature bytes
else if (STK_READ_SIGN == cmd)
{
pgm = _consts;
send = 3;
}
else if (STK_LOAD_ADDRESS == cmd)
{
address = *((u16*)packet); // word addresses
address += address;
}
else if (STK_PROG_PAGE == cmd)
{
Program(CDC_RX,address,packet[1]);
}
else if (STK_READ_PAGE == cmd)
{
send = packet[1];
pgm = (const u8*)address;
address += send; // not sure of this is required
}
// Check sync
if (getch() != ' ')
break;
Transfer(CDC_TX,&_inSync,1);
// Send result
if (send)
Transfer(CDC_TX|TRANSFER_PGM,pgm,send); // All from pgm memory
// Send ok
Transfer(CDC_TX|TRANSFER_RELEASE,&_ok,1);
if (cmd == 'Q')
break;
}
_ejected = 1;
}
}
// Nice breathing LED indicates we are in the firmware
u16 _pulse;
void LEDPulse()
{
_pulse++;
u8 p = _pulse >> 8;
if (p > 127)
p = 255-p;
p += p;
if (((u8)_pulse) > p)
LED0;
else
LED1;
}
void Reboot()
{
UDCON = 1; // Detatch USB
UDIEN = 0;
asm volatile ( // Reset vector to run firmware
"clr r30\n"
"clr r31\n"
"ijmp\n"
::);
}

69
hardware/arduino/bootloaders/diskloader/src/Platform.h Normal file
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#include <inttypes.h>
#include <avr/io.h>
#include <avr/pgmspace.h>
#include <avr/boot.h>
#include <util/delay.h>
#include <avr/interrupt.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
typedef unsigned char u8;
typedef unsigned short u16;
typedef unsigned long u32;
//#define MICROTOUCH
//#define WRITABLE_DIRECTORY // undef saved 56 + 512 RAM
#define FAT_DISK_LABEL 'b','o','o','t','l','o','a','d','e','r',' ' // 11 chars (undef saves 12)
#define FAT_FILE_NAME 'F','I','R','M','W','A','R','E','B','I','N' // 11 chars
#define MSC_DISK_SERIAL '0','0','0','0','0','0','0','0','1','7','0','1' // 12 chars
#define CPU_PRESCALE(n) (CLKPR = 0x80, CLKPR = (n))
#define DISABLE_JTAG() MCUCR = (1 << JTD) | (1 << IVCE) | (0 << PUD); MCUCR = (1 << JTD) | (0 << IVSEL) | (0 << IVCE) | (0 << PUD);
#ifdef MICROTOUCH
#define USB_VID 0x239A // Adafruit vid
#define USB_PID 0x2001 // sorry dave sprach zarathustra
#define FAT_OEM_NAME 'r','o','s','s','u','m','u','r' // 8 chars
#define BOARD_INIT() DDRC = 0xFF; CPU_PRESCALE(0); DISABLE_JTAG();
#define LED0 PORTC &= ~(1<<7)
#define LED1 PORTC |= (1<<7)
#define BACKLIGHT0 PORTC &= ~(1<<6)
#define BACKLIGHT1 PORTC |= (1<<6)
#else
#define USB_VID 0x2341 // arduino LLC vid
#define USB_PID 0x0020 // educated guess
#define FAT_OEM_NAME 'l','e','o','n','a','r','d','o' // 8 chars
#define BOARD_INIT() // etc
#define LED0
#define LED1
#endif
#define TRANSFER_PGM 0x80
#define TRANSFER_RELEASE 0x40
#define TRANSFER_ZERO 0x20
void Transfer(u8 ep, const u8* data, int len);
void Recv(u8 ep, u8* dst, u8 len);
void Program(u8 ep, u16 page, u8 count);
#define CDC_ENABLED
//#define MSC_ENABLED
//#define MSC_NO_MEDIA // MSC is enabled but not media inserted
#include "USBCore.h"
#include "USBDesc.h"

213
hardware/arduino/bootloaders/diskloader/src/SCSI.cpp Normal file
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@ -0,0 +1,213 @@
/* Copyright (c) 2010, Peter Barrett
**
** Permission to use, copy, modify, and/or distribute this software for
** any purpose with or without fee is hereby granted, provided that the
** above copyright notice and this permission notice appear in all copies.
**
** THE SOFTWARE IS PROVIDED "AS IS" AND 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, DIRECT, 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.
*/
#include "Platform.h"
#ifdef MSC_ENABLED
// SCSI Commands
#define TEST_UNIT_READY 0x00
#define REQUEST_SENSE 0x03
#define FORMAT_UNIT 0x04
#define INQUIRY 0x12
#define MODE_SENSE 0x1A
#define START_STOP_UNIT 0x1B
#define MEDIA_REMOVAL 0x1E
#define READ_FORMAT_CAPACITIES 0x23
#define READ_CAPACITY 0x25
#define READ10 0x28
#define WRITE10 0x2A
#define VERIFY10 0x2F
// In FakeFAT
void SendSector(u8 b);
void RecvSector(u8 b);
// In USBCore
u8 RecvPacket(u8 ep, u8* dst, u8 len);
u8 SendPacket(u8 ep, const u8* src, u8 len);
void Reboot();
#define MSC_TX MSC_ENDPOINT_IN
#define MSC_RX MSC_ENDPOINT_OUT
extern const u8 P_Inquiry[36] PROGMEM;
extern const u8 P_RequestSense[18] PROGMEM;
extern const u8 P_ReadCapacity[8-3] PROGMEM;
extern const u8 P_ModeSense[4] PROGMEM;
typedef struct
{
u8 signature[4];
u8 tag[4];
u32 transferLength;
u8 flags;
u8 lun;
u8 cblength;
u8 cb[16];
} CBW;
const u8 P_Inquiry[36] =
{
0x00, // Direct Access Device
0x80, // Removable Medium
0x00, // Version
0x01,
36-4, // Additional Length
0x80, // Storage Controller Component
0x00,
0x00,
'r','o','s','s','u','m','u','r', // Vendor
'm','i','c','r','o','t','o','u', // Product
'c','h',' ',' ',' ',' ',' ',' ',
'2','.','4',' ' // Revision
};
const u8 P_RequestSense[18] =
{
0x70, // Response Code
0x00,
// 0x02, // Sense Key
0x00,
0x00,
0x00,
0x00,
0x00,
0x0A, // Additional Length
0x00,
0x00,
0x00,
0x00,
0x30, // ASC
0x01, // ASCQ
0x00,
0x00,
0x00,
0x00
};
// Save 3 bytes if merging
const u8 P_ReadCapacity[8-3] =
{
// 0x00,
// 0x00,
// 0x00, // Steal 3 zero bytes from end of P_RequestSense
64+4, // block count 64 + 4
0x00,
0x00,
0x02, // block size = 512
0x00
};
const u8 P_ModeSense[4] =
{
0x03,
0x00,
0x00,
0x00
};
extern volatile u8 _ejected;
void SCSI(CBW& cbw)
{
const u8* pgm = 0;
u8 status = 0;
u8 blen = 0;
u8 cmd = cbw.cb[0];
if (START_STOP_UNIT == cmd)
{
_ejected = 1; // Stopped; going away
}
else if (TEST_UNIT_READY == cmd || MEDIA_REMOVAL == cmd)
{
#ifdef MSC_NO_MEDIA
status = 1;
#else
status = _ejected;
#endif
}
else if (REQUEST_SENSE == cmd)
{
pgm = P_RequestSense;
blen = sizeof(P_RequestSense);
}
else if (INQUIRY == cmd)
{
pgm = P_Inquiry;
blen = sizeof(P_Inquiry);
}
else if (WRITE10 == cmd || READ10 == cmd)
{
// Write 10 byte form
// Read 10 byte form
{
u8 lba = cbw.cb[5];
u8 count = cbw.cb[8];
u8 read = READ10 == cbw.cb[0];
while (count--)
{
if (read)
SendSector(lba);
else
RecvSector(lba);
lba++;
cbw.transferLength -= 512; // 24 bytes
}
}
}
else if (MODE_SENSE == cmd)
{
pgm = P_ModeSense;
blen = 4;
}
else
{
pgm = P_ReadCapacity-3;
blen = 8;
if (READ_CAPACITY != cmd)
status = 1; // Faking a data phase for unknown commands
}
if (pgm)
Transfer(MSC_TX | TRANSFER_PGM | TRANSFER_RELEASE,pgm,blen);
cbw.flags = status;
cbw.transferLength -= blen;
cbw.signature[3] = 'S';
Transfer(MSC_TX | TRANSFER_RELEASE,(u8*)&cbw,13);
}
CBW cbw; // 38 byte savings by making this global
void SCSITask()
{
Recv(MSC_RX,(u8*)&cbw,sizeof(CBW));
SCSI(cbw);
}
#endif

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/* Copyright (c) 2011, Peter Barrett
**
** Permission to use, copy, modify, and/or distribute this software for
** any purpose with or without fee is hereby granted, provided that the
** above copyright notice and this permission notice appear in all copies.
**
** THE SOFTWARE IS PROVIDED "AS IS" AND 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, DIRECT, 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.
*/
#include "Platform.h"
#ifdef MSC_ENABLED
extern const u8 Sector_0[] PROGMEM;
extern const u8 Sector_1[] PROGMEM;
extern const u8 Sector_2[] PROGMEM;
extern const u8 Sector_3[] PROGMEM;
extern const u8 Sector_Size[] PROGMEM;
const u8 Sector_0[27] =
{
0xEB,0x3C,0x90,
FAT_OEM_NAME,
0x00,0x02, // Bytes per sector 512
0x40, // Sectors per Cluster 32k per cluster
0x01,0x00, // Reserved sectors
0x02, // FATSs
0x10,0x00, // root entries
4+64,0x00, // number of sectors: 30k file
0xF8, // Media type fixed
0x01,0x00, // Sectors per FAT
0x01,0x00, // Sectors per head
0x01,//0x00, // Heads per cylinder
//0x00,0x00,0x00,0x00, // Hidden
//0x00,0x00,0x00,0x00, // long number of sectors
//0x00,0x00, // Ext flags
// 38 bytes
};
// FAT12 clusters for 32k file
const u8 Sector_1[] =
{
#if 0
0xF8,0xFF,0xFF,
0xFF,0x0F//,0x00
#endif
};
const u8 Sector_2[] =
{
};
const u8 Sector_3[] =
{
#if 0
FAT_FILE_NAME, 0x00,0x00,0x00,0x00,0x00, // Uppercase name please
0x43,0x3E,0x43,0x3E,0x00,0x00,0xAB,0x8C,0x40,0x3E,0x02,0x00,0x00,0x80,//0x00,0x00
// 0x00,0x00,
#endif
#ifdef FAT_DISK_LABEL
FAT_DISK_LABEL,0x28
#endif
};
#if 0
const u8 Sector_Size[] =
{
0,
sizeof(Sector_0),
sizeof(Sector_0) + sizeof(Sector_1),
sizeof(Sector_0) + sizeof(Sector_1) + sizeof(Sector_2),
sizeof(Sector_0) + sizeof(Sector_1) + sizeof(Sector_2) + sizeof(Sector_3)
};
#endif
const u8* LBAToROM(u8 b)
{
b -= 4;
return (const u8*)(b << 9);
}
void SendSector(u8 b)
{
if (b == 0)
{
u8 n = sizeof(Sector_0);
Transfer(MSC_TX | TRANSFER_PGM,Sector_0,n);
Transfer(MSC_TX | TRANSFER_ZERO,0,512-n);
return;
}
if ((b < 4) || (b >= 64))
{
Transfer(MSC_TX | TRANSFER_ZERO,0,512);
return;
}
// Copy body of file from ROM
Transfer(MSC_TX | TRANSFER_PGM,LBAToROM(b),512);
}
#define GENERATE_INVALID_ROM_ADDRESS 60
void RecvSector(u8 lba)
{
if ((lba < 4) || (lba >= 64))
lba = GENERATE_INVALID_ROM_ADDRESS; // Only care about the first 30k
// Write sectors to flash
u16 addr = (u16)LBAToROM(lba); // may generate out of range addresses, Program will fix
u8 i = 4; // 4x128 is a sector
while (i--)
{
Program(MSC_RX,addr,128);
addr += 128;
}
}
#endif

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/* Copyright (c) 2010, Peter Barrett
**
** Permission to use, copy, modify, and/or distribute this software for
** any purpose with or without fee is hereby granted, provided that the
** above copyright notice and this permission notice appear in all copies.
**
** THE SOFTWARE IS PROVIDED "AS IS" AND 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, DIRECT, 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.
*/
#include "Platform.h"
#define MSC_TX MSC_ENDPOINT_IN
#define MSC_RX MSC_ENDPOINT_OUT
#define CDC_TX CDC_ENDPOINT_IN
#define CDC_RX CDC_ENDPOINT_OUT
#define EP_TYPE_CONTROL 0x00
#define EP_TYPE_BULK_IN 0x81
#define EP_TYPE_BULK_OUT 0x80
#define EP_TYPE_INTERRUPT_IN 0xC1
#define EP_TYPE_INTERRUPT_OUT 0xC0
#define EP_TYPE_ISOCHRONOUS_IN 0x41
#define EP_TYPE_ISOCHRONOUS_OUT 0x40
void Reboot();
//==================================================================
//==================================================================
typedef struct
{
u32 dwDTERate;
u8 bCharFormat;
u8 bParityType;
u8 bDataBits;
u8 lineState;
} LineInfo;
static volatile LineInfo _usbLineInfo = { 57600, 0x00, 0x00, 0x00, 0x00 };
//==================================================================
//==================================================================
// 4 bytes of RAM
volatile u8 _usbConfiguration;
volatile u8 _ejected;
volatile u16 _timeout;
static inline void WaitIN(void)
{
while (!(UEINTX & (1<<TXINI)));
}
static inline void ClearIN(void)
{
UEINTX = ~(1<<TXINI);
}
static inline void WaitOUT(void)
{
while (!(UEINTX & (1<<RXOUTI)))
;
}
static inline u8 WaitForINOrOUT()
{
while (!(UEINTX & ((1<<TXINI)|(1<<RXOUTI))))
;
return (UEINTX & (1<<RXOUTI)) == 0;
}
static inline void ClearOUT(void)
{
UEINTX = ~(1<<RXOUTI);
}
static
void Send(volatile const u8* data, u8 count)
{
while (count--)
UEDATX = *data++;
}
void Recv(volatile u8* data, u8 count)
{
while (count--)
*data++ = UEDATX;
}
static inline u8 Recv8()
{
return UEDATX;
}
static inline void Send8(u8 d)
{
UEDATX = d;
}
static inline void SetEP(u8 ep)
{
UENUM = ep;
}
static inline u8 FifoByteCount()
{
return UEBCLX;
}
static inline u8 ReceivedSetupInt()
{
return UEINTX & (1<<RXSTPI);
}
static inline void ClearSetupInt()
{
UEINTX = ~((1<<RXSTPI) | (1<<RXOUTI) | (1<<TXINI));
}
static inline void Stall()
{
UECONX = (1<<STALLRQ) | (1<<EPEN);
}
static inline u8 ReadWriteAllowed()
{
return UEINTX & (1<<RWAL);
}
static inline u8 Stalled()
{
return UEINTX & (1<<STALLEDI);
}
static inline u8 FifoFree()
{
return UEINTX & (1<<FIFOCON);
}
static inline void ReleaseRX()
{
UEINTX = 0x6B; // FIFOCON=0 NAKINI=1 RWAL=1 NAKOUTI=0 RXSTPI=1 RXOUTI=0 STALLEDI=1 TXINI=1
}
static inline void ReleaseTX()
{
UEINTX = 0x3A; // FIFOCON=0 NAKINI=0 RWAL=1 NAKOUTI=1 RXSTPI=1 RXOUTI=0 STALLEDI=1 TXINI=0
}
static inline u8 FrameNumber()
{
return UDFNUML;
}
//==================================================================
//==================================================================
#define EP_SINGLE_64 0x32 // EP0
#define EP_DOUBLE_64 0x36 // Other endpoints
static void InitEP(u8 index, u8 type, u8 size)
{
UENUM = index;
UECONX = 1;
UECFG0X = type;
UECFG1X = size;
}
// API
void USBInit(void)
{
_timeout = 0;
_usbConfiguration = 0;
_ejected = 0;
UHWCON = 0x01; // power internal reg (don't need this?)
USBCON = (1<<USBE)|(1<<FRZCLK); // clock frozen, usb enabled
PLLCSR = 0x12; // Need 16 MHz xtal
while (!(PLLCSR & (1<<PLOCK))) // wait for lock pll
;
USBCON = ((1<<USBE)|(1<<OTGPADE)); // start USB clock
UDCON = 0; // enable attach resistor
}
u8 USBGetConfiguration(void)
{
return _usbConfiguration;
}
u8 HasData(u8 ep)
{
SetEP(ep);
return ReadWriteAllowed(); // count in fifo
}
int USBGetChar();
void Recv(u8 ep, u8* dst, u8 len)
{
SetEP(ep);
while (len--)
{
while (!ReadWriteAllowed())
;
*dst++ = Recv8();
if (!ReadWriteAllowed()) // release empty buffer
ReleaseRX();
}
}
// Transmit a packet to endpoint
void Transfer(u8 ep, const u8* data, int len)
{
u8 zero = ep & TRANSFER_ZERO;
SetEP(ep & 7);
while (len--)
{
while (!ReadWriteAllowed())
; // TODO Check for STALL etc
u8 d = (ep & TRANSFER_PGM) ? pgm_read_byte(data) : data[0];
data++;
if (zero)
d = 0;
Send8(d);
if (!ReadWriteAllowed())
ReleaseTX();
}
if (ep & TRANSFER_RELEASE)
ReleaseTX();
}
extern const u8 _initEndpoints[] PROGMEM;
const u8 _initEndpoints[] =
{
0,
#ifdef CDC_ENABLED
EP_TYPE_INTERRUPT_IN, // CDC_ENDPOINT_ACM
EP_TYPE_BULK_OUT, // CDC_ENDPOINT_OUT
EP_TYPE_BULK_IN, // CDC_ENDPOINT_IN
#endif
EP_TYPE_INTERRUPT_IN, // HID_ENDPOINT_INT
#ifdef MSC_ENABLED
EP_TYPE_BULK_OUT, // MSC_ENDPOINT_OUT
EP_TYPE_BULK_IN // MSC_ENDPOINT_IN
#endif
};
static void InitEndpoints()
{
for (u8 i = 1; i < sizeof(_initEndpoints); i++)
{
UENUM = i;
UECONX = 1;
UECFG0X = pgm_read_byte(_initEndpoints+i);
UECFG1X = EP_DOUBLE_64;
}
UERST = 0x7E; // And reset them
UERST = 0;
}
typedef struct
{
u8 bmRequestType;
u8 bRequest;
u8 wValueL;
u8 wValueH;
u16 wIndex;
u16 wLength;
} Setup;
Setup _setup;
//bool USBHook(Setup& setup)
bool USBHook()
{
Setup& setup = _setup;
u8 r = setup.bRequest;
// CDC Requests
if (CDC_GET_LINE_CODING == r)
{
Send((const volatile u8*)&_usbLineInfo,7);
}
else if (CDC_SET_LINE_CODING == r)
{
WaitOUT();
Recv((volatile u8*)&_usbLineInfo,7);
ClearOUT();
}
else if (CDC_SET_CONTROL_LINE_STATE == r)
{
_usbLineInfo.lineState = setup.wValueL;
}
#ifdef MSC_ENABLED
// MSC Requests
else if (MSC_GET_MAX_LUN == r)
{
Send8(0);
}
else if (MSC_RESET == r)
{
// MSC_Reset();
} else
return false; // unhandled
#endif
return true;
}
extern const u8 _rawHID[] PROGMEM;
#define LSB(_x) ((_x) & 0xFF)
#define MSB(_x) ((_x) >> 8)
#define RAWHID_USAGE_PAGE 0xFFC0
#define RAWHID_USAGE 0x0C00
#define RAWHID_TX_SIZE 64
#define RAWHID_RX_SIZE 64
const u8 _rawHID[] =
{
// RAW HID
0x06, LSB(RAWHID_USAGE_PAGE), MSB(RAWHID_USAGE_PAGE), // 30
0x0A, LSB(RAWHID_USAGE), MSB(RAWHID_USAGE),
0xA1, 0x01, // Collection 0x01
0x85, 0x03, // REPORT_ID (3)
0x75, 0x08, // report size = 8 bits
0x15, 0x00, // logical minimum = 0
0x26, 0xFF, 0x00, // logical maximum = 255
0x95, 64, // report count TX
0x09, 0x01, // usage
0x81, 0x02, // Input (array)
0x95, 64, // report count RX
0x09, 0x02, // usage
0x91, 0x02, // Output (array)
0xC0 // end collection
};
u8 _cdcComposite = 0;
bool SendDescriptor()
{
Setup& setup = _setup;
u8 desc_length = 0;
const u8* desc_addr = 0;
u8 t = setup.wValueH;
if (0x22 == t)
{
desc_addr = _rawHID;
desc_length = sizeof(desc_length);
} else if (USB_DEVICE_DESCRIPTOR_TYPE == t)
{
if (setup.wLength == 8)
_cdcComposite = 1;
desc_addr = _cdcComposite ? (const u8*)&USB_DeviceDescriptorA : (const u8*)&USB_DeviceDescriptor;
}
else if (USB_CONFIGURATION_DESCRIPTOR_TYPE == t)
{
desc_addr = (const u8*)&USB_ConfigDescriptor;
desc_length = sizeof(USB_ConfigDescriptor);
}
else if (USB_STRING_DESCRIPTOR_TYPE == t)
{
if (setup.wValueL == 0)
desc_addr = (const u8*)&STRING_LANGUAGE;
else if (setup.wValueL == ISERIAL)
desc_addr = (const u8*)&STRING_SERIAL;
else
return false;
} else
return false;
if (desc_length == 0)
desc_length = pgm_read_byte(desc_addr);
if ((u8)setup.wLength < desc_length) // bit of a cheat limiting to 255 bytes TODO (saved 8 bytes)
desc_length = (u8)setup.wLength;
// Send descriptor
// EP0 is 64 bytes long
// RWAL and FIFOCON don't work on EP0
u8 n = 0;
do
{
if (!WaitForINOrOUT())
return false;
Send8(pgm_read_byte(&desc_addr[n++]));
u8 clr = n & 0x3F;
if (!clr)
ClearIN(); // Fifo is full, release this packet
} while (n < desc_length);
return true;
}
void USBSetupInterrupt()
{
SetEP(0);
if (!ReceivedSetupInt())
return;
Setup& setup = _setup; // global saves ~30 bytes
Recv((u8*)&setup,8);
ClearSetupInt();
if (setup.bmRequestType & DEVICETOHOST)
WaitIN();
else
ClearIN();
bool ok = true;
u8 r = setup.bRequest;
if (SET_ADDRESS == r)
{
WaitIN();
UDADDR = setup.wValueL | (1<<ADDEN);
}
else if (SET_CONFIGURATION == r)
{
_usbConfiguration = setup.wValueL;
InitEndpoints();
}
else if (GET_CONFIGURATION == r)
{
Send8(_usbConfiguration);
}
else if (GET_STATUS == r)
{
Send8(0); // All good as far as I know
}
else if (GET_DESCRIPTOR == r)
{
ok = SendDescriptor();
}
else
{
ok = USBHook();
}
if (ok)
ClearIN();
else
Stall();
}
void USBGeneralInterrupt()
{
u8 udint = UDINT;
UDINT = 0;
// End of Reset
if (udint & (1<<EORSTI))
{
InitEP(0,EP_TYPE_CONTROL,EP_SINGLE_64); // init ep0
_usbConfiguration = 0; // not configured yet
//UEIENX = 1 << RXSTPE;
}
// Start of Frame
if (udint & (1<<SOFI))
{
if (!_ejected)
_timeout = 0;
}
}
void SCSITask();
void LEDPulse();
int USBGetChar()
{
for(;;)
{
USBSetupInterrupt();
USBGeneralInterrupt();
#ifdef MSC_ENABLED
// Service disk
if (HasData(MSC_RX))
SCSITask();
#endif
// Read a char
if (HasData(CDC_RX))
{
u8 c = Recv8();
if (!ReadWriteAllowed())
ReleaseRX();
return c;
}
if (!--_timeout)
Reboot(); // USB not connected, run firmware
LEDPulse();
}
return -1;
}

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// Copyright (c) 2010, Peter Barrett
/*
** Permission to use, copy, modify, and/or distribute this software for
** any purpose with or without fee is hereby granted, provided that the
** above copyright notice and this permission notice appear in all copies.
**
** THE SOFTWARE IS PROVIDED "AS IS" AND 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, DIRECT, 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.
*/
#ifndef __USBCORE_H__
#define __USBCORE_H__
#define GET_STATUS 0
#define CLEAR_FEATURE 1
#define SET_FEATURE 3
#define SET_ADDRESS 5
#define GET_DESCRIPTOR 6
#define GET_CONFIGURATION 8
#define SET_CONFIGURATION 9
#define GET_INTERFACE 10
#define SET_INTERFACE 11
// bmRequestType
#define HOSTTODEVICE 0x00
#define DEVICETOHOST 0x80
#define STANDARD 0x00
#define CLASS 0x20
#define VENDOR 0x40
#define DEVICE 0x00
#define INTERFACE 0x01
#define ENDPOINT 0x02
#define OTHER 0x03
#define CDC_SET_LINE_CODING 0x20
#define CDC_GET_LINE_CODING 0x21
#define CDC_SET_CONTROL_LINE_STATE 0x22
#define MSC_RESET 0xFF
#define MSC_GET_MAX_LUN 0xFE
// Descriptors
#define USB_DEVICE_DESC_SIZE 18
#define USB_CONFIGUARTION_DESC_SIZE 9
#define USB_INTERFACE_DESC_SIZE 9
#define USB_ENDPOINT_DESC_SIZE 7
#define USB_DEVICE_DESCRIPTOR_TYPE 1
#define USB_CONFIGURATION_DESCRIPTOR_TYPE 2
#define USB_STRING_DESCRIPTOR_TYPE 3
#define USB_INTERFACE_DESCRIPTOR_TYPE 4
#define USB_ENDPOINT_DESCRIPTOR_TYPE 5
#define USB_DEVICE_CLASS_COMMUNICATIONS 0x02
#define USB_DEVICE_CLASS_HUMAN_INTERFACE 0x03
#define USB_DEVICE_CLASS_STORAGE 0x08
#define USB_DEVICE_CLASS_VENDOR_SPECIFIC 0xFF
#define USB_CONFIG_POWERED_MASK 0x40
#define USB_CONFIG_BUS_POWERED 0x80
#define USB_CONFIG_SELF_POWERED 0xC0
#define USB_CONFIG_REMOTE_WAKEUP 0x20
// bMaxPower in Configuration Descriptor
#define USB_CONFIG_POWER_MA(mA) ((mA)/2)
// bEndpointAddress in Endpoint Descriptor
#define USB_ENDPOINT_DIRECTION_MASK 0x80
#define USB_ENDPOINT_OUT(addr) ((addr) | 0x00)
#define USB_ENDPOINT_IN(addr) ((addr) | 0x80)
#define USB_ENDPOINT_TYPE_MASK 0x03
#define USB_ENDPOINT_TYPE_CONTROL 0x00
#define USB_ENDPOINT_TYPE_ISOCHRONOUS 0x01
#define USB_ENDPOINT_TYPE_BULK 0x02
#define USB_ENDPOINT_TYPE_INTERRUPT 0x03
#define TOBYTES(x) ((x) & 0xFF),(((x) >> 8) & 0xFF)
#define CDC_V1_10 0x0110
#define CDC_COMMUNICATION_INTERFACE_CLASS 0x02
#define CDC_CALL_MANAGEMENT 0x01
#define CDC_ABSTRACT_CONTROL_MODEL 0x02
#define CDC_HEADER 0x00
#define CDC_ABSTRACT_CONTROL_MANAGEMENT 0x02
#define CDC_UNION 0x06
#define CDC_CS_INTERFACE 0x24
#define CDC_CS_ENDPOINT 0x25
#define CDC_DATA_INTERFACE_CLASS 0x0A
#define MSC_SUBCLASS_SCSI 0x06
#define MSC_PROTOCOL_BULK_ONLY 0x50
// Device
typedef struct {
u8 len; // 18
u8 dtype; // 1 USB_DEVICE_DESCRIPTOR_TYPE
u16 usbVersion; // 0x200
u8 deviceClass;
u8 deviceSubClass;
u8 deviceProtocol;
u8 packetSize0; // Packet 0
u16 idVendor;
u16 idProduct;
u16 deviceVersion; // 0x100
u8 iManufacturer;
u8 iProduct;
u8 iSerialNumber;
u8 bNumConfigurations;
} DeviceDescriptor;
// Config
typedef struct {
u8 len; // 9
u8 dtype; // 2
u16 clen; // total length
u8 numInterfaces;
u8 config;
u8 iconfig;
u8 attributes;
u8 maxPower;
} ConfigDescriptor;
// String
// Interface
typedef struct
{
u8 len; // 9
u8 dtype; // 4
u8 number;
u8 alternate;
u8 numEndpoints;
u8 interfaceClass;
u8 interfaceSubClass;
u8 protocol;
u8 iInterface;
} InterfaceDescriptor;
// Endpoint
typedef struct
{
u8 len; // 7
u8 dtype; // 5
u8 addr;
u8 attr;
u16 packetSize;
u8 interval;
} EndpointDescriptor;
// Interface Association Descriptor
// Used to bind 2 interfaces together in CDC compostite device
typedef struct
{
u8 len; // 8
u8 dtype; // 11
u8 firstInterface;
u8 interfaceCount;
u8 functionClass;
u8 funtionSubClass;
u8 functionProtocol;
u8 iInterface;
} IADDescriptor;
// CDC CS interface descriptor
typedef struct
{
u8 len; // 5
u8 dtype; // 0x24
u8 subtype;
u8 d0;
u8 d1;
} CDCCSInterfaceDescriptor;
typedef struct
{
u8 len; // 4
u8 dtype; // 0x24
u8 subtype;
u8 d0;
} CDCCSInterfaceDescriptor4;
typedef struct
{
IADDescriptor iad; // Only needed on compound device
// Control
InterfaceDescriptor cif; //
CDCCSInterfaceDescriptor header;
CDCCSInterfaceDescriptor callManagement;
CDCCSInterfaceDescriptor4 controlManagement;
CDCCSInterfaceDescriptor functionalDescriptor;
EndpointDescriptor cifin;
// Data
InterfaceDescriptor dif;
EndpointDescriptor in;
EndpointDescriptor out;
} CDCDescriptor;
typedef struct
{
InterfaceDescriptor msc;
EndpointDescriptor in;
EndpointDescriptor out;
} MSCDescriptor;
typedef struct
{
u8 len; // 9
u8 dtype; // 0x21
u8 addr;
u8 versionL; // 0x101
u8 versionH; // 0x101
u8 country;
u8 desctype; // 0x22 report
u8 descLenL;
u8 descLenH;
} HIDDescDescriptor;
typedef struct
{
InterfaceDescriptor hid;
HIDDescDescriptor desc;
EndpointDescriptor in;
} HIDDescriptor;
#define D_DEVICE(_class,_subClass,_proto,_packetSize0,_vid,_pid,_version,_im,_ip,_is,_configs) \
{ 18, 1, 0x200, _class,_subClass,_proto,_packetSize0,_vid,_pid,_version,_im,_ip,_is,_configs }
#define D_CONFIG(_totalLength,_interfaces) \
{ 9, 2, _totalLength,_interfaces, 1, 0, USB_CONFIG_BUS_POWERED, USB_CONFIG_POWER_MA(100) }
#define D_INTERFACE(_n,_numEndpoints,_class,_subClass,_protocol) \
{ 9, 4, _n, 0, _numEndpoints, _class,_subClass, _protocol, 0 }
#define D_ENDPOINT(_addr,_attr,_packetSize, _interval) \
{ 7, 5, _addr,_attr,_packetSize, _interval }
#define D_IAD(_firstInterface, _count, _class, _subClass, _protocol) \
{ 8, 11, _firstInterface, _count, _class, _subClass, _protocol, 0 }
#define D_HIDREPORT(_descriptorLength) \
{ 9, 0x21, 0x1, 0x1, 0, 1, 0x22, _descriptorLength, 0 }
#define D_CDCCS(_subtype,_d0,_d1) { 5, 0x24, _subtype, _d0, _d1 }
#define D_CDCCS4(_subtype,_d0) { 4, 0x24, _subtype, _d0 }
#endif

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/* Copyright (c) 2011, Peter Barrett
**
** Permission to use, copy, modify, and/or distribute this software for
** any purpose with or without fee is hereby granted, provided that the
** above copyright notice and this permission notice appear in all copies.
**
** THE SOFTWARE IS PROVIDED "AS IS" AND 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, DIRECT, 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.
*/
#include "Platform.h"
//====================================================================================================
//====================================================================================================
// Actual device descriptors
const u16 STRING_LANGUAGE[2] = {
(3<<8) | (2+2),
0x0409 // English
};
#if 0
const u16 STRING_PRODUCT[] = {
(3<<8) | (2+2*10),
'M','i','c','r','o','t','o','u','c','h'
};
#endif
const u16 STRING_SERIAL[13] = {
(3<<8) | (2+2*12),
MSC_DISK_SERIAL
};
//#ifdef CDC_ENABLED
DeviceDescriptor USB_DeviceDescriptorA = D_DEVICE(0X02,0X00,0X00,64,USB_VID,USB_PID,0x100,0,IPRODUCT,ISERIAL,1);
//#else
DeviceDescriptor USB_DeviceDescriptor = D_DEVICE(0x00,0x00,0x00,64,USB_VID,USB_PID,0x100,0,IPRODUCT,ISERIAL,1);
//#endif
Config USB_ConfigDescriptor =
{
D_CONFIG(sizeof(Config),INTERFACE_COUNT),
#ifdef CDC_ENABLED
// CDC
{
D_IAD(0,2,CDC_COMMUNICATION_INTERFACE_CLASS,CDC_ABSTRACT_CONTROL_MODEL,1),
// CDC communication interface
D_INTERFACE(CDC_ACM_INTERFACE,1,CDC_COMMUNICATION_INTERFACE_CLASS,CDC_ABSTRACT_CONTROL_MODEL,0),
D_CDCCS(CDC_HEADER,0x10,0x01), // Header (1.10 bcd)
D_CDCCS(CDC_CALL_MANAGEMENT,1,1), // Device handles call management
D_CDCCS4(CDC_ABSTRACT_CONTROL_MANAGEMENT,2), // SET_LINE_CODING, GET_LINE_CODING, SET_CONTROL_LINE_STATE supported
D_CDCCS(CDC_UNION,CDC_ACM_INTERFACE,CDC_DATA_INTERFACE), // Communication interface is master, data interface is slave 0
D_ENDPOINT(USB_ENDPOINT_IN (CDC_ENDPOINT_ACM),USB_ENDPOINT_TYPE_INTERRUPT,0x10,0x40),
// CDC data interface
D_INTERFACE(CDC_DATA_INTERFACE,2,CDC_DATA_INTERFACE_CLASS,0,0),
D_ENDPOINT(USB_ENDPOINT_OUT(CDC_ENDPOINT_OUT),USB_ENDPOINT_TYPE_BULK,0x40,0),
D_ENDPOINT(USB_ENDPOINT_IN (CDC_ENDPOINT_IN ),USB_ENDPOINT_TYPE_BULK,0x40,0)
},
#endif
// HID
{
D_INTERFACE(HID_INTERFACE,1,3,0,0),
D_HIDREPORT(30),
D_ENDPOINT(USB_ENDPOINT_IN (HID_ENDPOINT_INT),USB_ENDPOINT_TYPE_INTERRUPT,0x40,0x40)
},
#ifdef MSC_ENABLED
// Mass Storage
{
D_INTERFACE(MSC_INTERFACE,2,USB_DEVICE_CLASS_STORAGE,MSC_SUBCLASS_SCSI,MSC_PROTOCOL_BULK_ONLY),
D_ENDPOINT(USB_ENDPOINT_OUT(MSC_ENDPOINT_OUT),USB_ENDPOINT_TYPE_BULK,0x40,0),
D_ENDPOINT(USB_ENDPOINT_IN (MSC_ENDPOINT_IN ),USB_ENDPOINT_TYPE_BULK,0x40,0)
}
#endif
};

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/* Copyright (c) 2011, Peter Barrett
**
** Permission to use, copy, modify, and/or distribute this software for
** any purpose with or without fee is hereby granted, provided that the
** above copyright notice and this permission notice appear in all copies.
**
** THE SOFTWARE IS PROVIDED "AS IS" AND 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, DIRECT, 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.
*/
#ifndef CDC_ENABLED
#define MSC_INTERFACE 0 // MSC Interface
#define MSC_ENDPOINT_OUT 1
#define MSC_ENDPOINT_IN 2
#define INTERFACE_COUNT 1 // 1 for msc
#else
#define CDC_ACM_INTERFACE 0 // CDC ACM
#define CDC_DATA_INTERFACE 1 // CDC Data
#define CDC_ENDPOINT_ACM 1
#define CDC_ENDPOINT_OUT 2
#define CDC_ENDPOINT_IN 3
#define HID_INTERFACE 2 // HID Interface
#define HID_ENDPOINT_INT 4
#ifdef MSC_ENABLED
#define MSC_INTERFACE 3 // MSC Interface
#define MSC_ENDPOINT_OUT 5
#define MSC_ENDPOINT_IN 6
#define INTERFACE_COUNT 4 // 2 for cdc + 1 for hid + 1 for msc
#else
#define INTERFACE_COUNT 3 // 2 for cdc + 1 for hid
#endif
#endif
typedef struct
{
ConfigDescriptor config;
#ifdef CDC_ENABLED
CDCDescriptor cdc;
#endif
HIDDescriptor hid;
#ifdef MSC_ENABLED
MSCDescriptor msc;
#endif
} Config;
extern Config USB_ConfigDescriptor PROGMEM;
extern DeviceDescriptor USB_DeviceDescriptor PROGMEM;
extern DeviceDescriptor USB_DeviceDescriptorA PROGMEM;
extern const u16 STRING_LANGUAGE[2] PROGMEM;
extern const u16 STRING_SERIAL[13] PROGMEM;
#define IMANUFACTURER 0
#define IPRODUCT 0
#define ISERIAL 1 // Only need this for MSC
#define MSC_TX MSC_ENDPOINT_IN
#define MSC_RX MSC_ENDPOINT_OUT
#define CDC_TX CDC_ENDPOINT_IN
#define CDC_RX CDC_ENDPOINT_OUT