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-rw-r--r--bootloaders/nuevo_diskloader/DiskLoader.elf.hex172
-rw-r--r--bootloaders/nuevo_diskloader/DiskLoader.hex172
-rw-r--r--bootloaders/nuevo_diskloader/Makefile109
-rw-r--r--bootloaders/nuevo_diskloader/src/CDC.cpp173
-rw-r--r--bootloaders/nuevo_diskloader/src/DiskLoader.cpp280
-rw-r--r--bootloaders/nuevo_diskloader/src/Platform.h72
-rw-r--r--bootloaders/nuevo_diskloader/src/USBAPI.h83
-rw-r--r--bootloaders/nuevo_diskloader/src/USBCore.cpp669
-rw-r--r--bootloaders/nuevo_diskloader/src/USBCore.h303
-rw-r--r--bootloaders/nuevo_diskloader/src/USBDesc.h65
10 files changed, 2098 insertions, 0 deletions
diff --git a/bootloaders/nuevo_diskloader/DiskLoader.elf.hex b/bootloaders/nuevo_diskloader/DiskLoader.elf.hex
new file mode 100644
index 0000000..df5f1da
--- /dev/null
+++ b/bootloaders/nuevo_diskloader/DiskLoader.elf.hex
@@ -0,0 +1,172 @@
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diff --git a/bootloaders/nuevo_diskloader/DiskLoader.hex b/bootloaders/nuevo_diskloader/DiskLoader.hex
new file mode 100644
index 0000000..df5f1da
--- /dev/null
+++ b/bootloaders/nuevo_diskloader/DiskLoader.hex
@@ -0,0 +1,172 @@
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diff --git a/bootloaders/nuevo_diskloader/Makefile b/bootloaders/nuevo_diskloader/Makefile
new file mode 100644
index 0000000..88e0cfe
--- /dev/null
+++ b/bootloaders/nuevo_diskloader/Makefile
@@ -0,0 +1,109 @@
+###############################################################################
+# Makefile for DiskLoader
+###############################################################################
+
+## General Flags
+PROJECT = DiskLoader
+TARGET = DiskLoader.elf
+CC = avr-gcc
+
+# BOARD2
+MCU = atmega32u4
+AVR_FREQ = 16000000L
+
+# Specify the Arduino model using the assigned PID. This is used by Descriptors.c
+# to set PID and product descriptor string
+# Arduino Leonardo PID
+ARDUINO_MODEL_PID = 0x0089
+# Arduino Micro PID
+#ARDUINO_MODEL_PID = 0x0035
+
+# 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) -DARDUINO_MODEL_PID=$(ARDUINO_MODEL_PID) $(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,--cref
+#LDFLAGS += -Wl,--section-start=.text=0x7000,--relax
+#LDFLAGS += -Wl,--gc-sections
+#LDFLAGS += -nodefaultlibs -nostartfiles
+#LDFLAGS += -nostartfiles
+LDFLAGS += -Wl,-gc-sections,-Map=DiskLoader.map,--section-start=.text=0x7000,--relax
+
+
+## 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) $(AVRDUDE_FLAGS) -B 1 -u -U flash:w:$(TARGET).hex
diff --git a/bootloaders/nuevo_diskloader/src/CDC.cpp b/bootloaders/nuevo_diskloader/src/CDC.cpp
new file mode 100644
index 0000000..cc798b4
--- /dev/null
+++ b/bootloaders/nuevo_diskloader/src/CDC.cpp
@@ -0,0 +1,173 @@
+
+
+/* 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"
+#include "USBAPI.h"
+#include <avr/wdt.h>
+
+#if defined(USBCON)
+#ifdef CDC_ENABLED
+
+void Reboot()
+{
+ USB.detach();
+ cli();
+ asm volatile("jmp 0x7800"); // jump to bootloader - DiskLoader takes up last 2 kB
+}
+
+typedef struct
+{
+ u32 dwDTERate;
+ u8 bCharFormat;
+ u8 bParityType;
+ u8 bDataBits;
+ u8 lineState;
+} LineInfo;
+
+static volatile LineInfo _usbLineInfo = { 57600, 0x00, 0x00, 0x00, 0x00 };
+
+#define WEAK __attribute__ ((weak))
+
+extern const CDCDescriptor _cdcInterface PROGMEM;
+const CDCDescriptor _cdcInterface =
+{
+ 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 (not)
+ D_CDCCS4(CDC_ABSTRACT_CONTROL_MANAGEMENT,6), // 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)
+};
+
+int WEAK CDC_GetInterface(u8* interfaceNum)
+{
+ interfaceNum[0] += 2; // uses 2
+ return USB_SendControl(TRANSFER_PGM,&_cdcInterface,sizeof(_cdcInterface));
+}
+
+bool WEAK CDC_Setup(Setup& setup)
+{
+ u8 r = setup.bRequest;
+ u8 requestType = setup.bmRequestType;
+
+ if (REQUEST_DEVICETOHOST_CLASS_INTERFACE == requestType)
+ {
+ if (CDC_GET_LINE_CODING == r)
+ {
+ USB_SendControl(0,(void*)&_usbLineInfo,7);
+ return true;
+ }
+ }
+
+ if (REQUEST_HOSTTODEVICE_CLASS_INTERFACE == requestType)
+ {
+ if (CDC_SET_LINE_CODING == r)
+ {
+ USB_RecvControl((void*)&_usbLineInfo,7);
+ return true;
+ }
+
+ if (CDC_SET_CONTROL_LINE_STATE == r)
+ {
+// if (0 != _usbLineInfo.lineState && 1200 == _usbLineInfo.dwDTERate) // auto-reset is triggered when the port, already open at 1200 bps, is closed
+// Reboot();
+ _usbLineInfo.lineState = setup.wValueL;
+ return true;
+ }
+ }
+ return false;
+}
+
+/*
+int _serialPeek = -1;
+void Serial_::begin(uint16_t baud_count)
+{
+}
+
+void Serial_::end(void)
+{
+}
+
+int Serial_::available(void)
+{
+ u8 avail = USB_Available(CDC_RX);
+ if (_serialPeek != -1)
+ avail++;
+ return avail;
+}
+
+// peek is nasty
+int Serial_::peek(void)
+{
+ if (_serialPeek == -1)
+ _serialPeek = read();
+ return _serialPeek;
+}
+
+int Serial_::read(void)
+{
+ int c;
+ if (_serialPeek != -1)
+ {
+ c = _serialPeek;
+ _serialPeek = -1;
+ } else {
+ c = USB_Recv(CDC_RX);
+ }
+ return c;
+}
+
+
+
+void Serial_::flush(void)
+{
+ USB_Flush(CDC_TX);
+}
+
+size_t Serial_::write(uint8_t c)
+{
+
+ // TODO - ZE - check behavior on different OSes and test what happens if an
+ // open connection isn't broken cleanly (cable is yanked out, host dies
+ // or locks up, or host virtual serial port hangs)
+ if (_usbLineInfo.lineState > 0) {
+ int r = USB_Send(CDC_TX,&c,1);
+ if (r > 0) {
+ return r;
+ } else {
+// setWriteError();
+ return 0;
+ }
+ }
+// setWriteError();
+ return 0;
+}
+
+Serial_ Serial;
+*/
+
+#endif
+#endif /* if defined(USBCON) */ \ No newline at end of file
diff --git a/bootloaders/nuevo_diskloader/src/DiskLoader.cpp b/bootloaders/nuevo_diskloader/src/DiskLoader.cpp
new file mode 100644
index 0000000..216ddc6
--- /dev/null
+++ b/bootloaders/nuevo_diskloader/src/DiskLoader.cpp
@@ -0,0 +1,280 @@
+/*
+ * DiskLoader.cpp
+ */
+
+#include "Platform.h"
+//#include "USBCore.h"
+
+
+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" // Y-register
+ "ldi r29, 0x0A\n" // Y-register
+ "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;
+u16 do_reset = 0;
+volatile u16 _timeout;
+
+void Program(u8 ep, u16 page, u8 count)
+{
+ u8 write = page < 28*1024; // Don't write over bootloader please
+ if (write)
+ boot_page_erase(page);
+
+ USB_Recv_block(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 ();
+}
+
+#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, //
+};
+
+//int getch(void)
+//{
+// u16 timeout;
+// u8 c;
+// for (timeout = 0; timeout; timeout--)
+// {
+// c = USB_Recv(CDC_RX);
+// if (c != -1)
+// return c;
+// }
+// return -1;
+//}
+
+
+void start_sketch()
+{
+ UDCON = 1; // Detatch USB
+ UDIEN = 0;
+ asm volatile ( // Reset vector to run firmware
+ "clr r30\n"
+ "clr r31\n"
+ "ijmp\n"
+ ::);
+}
+
+int main(void) __attribute__ ((naked));
+int main()
+{
+ wdt_disable();
+ BOARD_INIT();
+ /* move interrupts to boot section:
+ * uses inline assembly because the procedure must be completed in four cycles.
+ * seems to fail if called before disabling WDT and calling BOARD_INIT()
+ */
+ asm volatile (
+ "ldi r16, 0x01\n" // (1<<IVCE) /* Enable change of interrupt vectors */
+ "out 0x35, r16\n" // MCUCR
+ "ldi r16, 0x02\n" // (1<<IVSEL) /* Move interrupts to boot flash section */
+ "out 0x35, r16\n" // MCUCR
+ );
+ TX_LED_OFF();
+ RX_LED_OFF();
+ L_LED_OFF();
+ USB.attach();
+ sei();
+
+ _inSync = STK_INSYNC;
+ _ok = STK_OK;
+
+ for (;;)
+ {
+ u8* packet = _flashbuf;
+ u16 address = 0;
+ for (;;)
+ {
+// while (!USB_Available(CDC_RX))
+// ;
+ if (USB_Available(CDC_RX))
+ {
+ u8 cmd = USB_Recv(CDC_RX);
+
+ // 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;
+ }
+ _timeout = 0;
+ // Read params
+ USB_Recv_block(CDC_RX, packet, len);
+
+ // Send a response
+ u8 send = 0;
+ const u8* pgm = _consts+7;
+ 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];
+ send = 1;
+ }
+ else if (STK_READ_SIGN == cmd)
+ {
+ pgm = _consts;
+ send = 3;
+ }
+ else if (STK_LOAD_ADDRESS == cmd)
+ {
+ address = *((u16*)packet); // word address
+ 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;
+ }
+
+ // Check sync
+ // if (Serial.available() > 0 && Serial.read() != ' ')
+ // break;
+ // if (USB_Available(CDC_RX) && USB_Recv(CDC_RX) != ' ')
+
+ // u8 countdown = 10;
+ // while (!USB_Available(CDC_RX))
+ // {
+ // if (countdown-- == 0)
+ // break;
+ // }
+ // u8 x = USB_Recv(CDC_RX);
+ // if (x != -1 && x != ' ')
+ // {
+ // L_LED_ON();
+ // break;
+ // }
+
+ // if (getch() != ' ')
+ // break;
+
+ // while (!USB_Available(CDC_RX))
+ // ;
+ //
+ // int x = USB_Recv(CDC_RX);
+ // if (x == -1)
+ // {
+ // UEINTX = 0x6B;
+ // break;
+ // }
+ // else if (x != ' ')
+ // {
+ //// UEINTX = 0x6B;
+ // break;
+ // }
+
+ u16 countdown = 5000;
+ while (countdown-- > 10 && !USB_Available(CDC_RX))
+ ;
+ int x = USB_Recv(CDC_RX);
+ if (x != -1 && x != ' ')
+ break;
+
+ USB_Send(CDC_TX, &_inSync, 1);
+
+ if (send)
+ USB_Send(CDC_TX|TRANSFER_PGM, pgm, send);
+
+ // Send ok
+ USB_Send(CDC_TX|TRANSFER_RELEASE, &_ok, 1);
+
+ if ('Q' == cmd)
+ {
+ _delay_ms(100);
+ /* move interrupts to application section:
+ * uses inline assembly because the procedure must be completed in four cycles.
+ */
+ asm volatile (
+ "ldi r16, 0x01\n" // (1<<IVCE) /* Enable change of interrupt vectors */
+ "out 0x35, r16\n" // MCUCR
+ "ldi r16, 0x00\n" // (1<<IVSEL) /* Move interrupts to application flash section */
+ "out 0x35, r16\n" // MCUCR
+ );
+ start_sketch();
+ // break;
+ }
+ }
+ }
+ }
+}
diff --git a/bootloaders/nuevo_diskloader/src/Platform.h b/bootloaders/nuevo_diskloader/src/Platform.h
new file mode 100644
index 0000000..4b58f9f
--- /dev/null
+++ b/bootloaders/nuevo_diskloader/src/Platform.h
@@ -0,0 +1,72 @@
+/*
+ * Platform.h
+ */
+
+#ifndef __PLATFORM_H__
+#define __PLATFORM_H__
+
+#include <inttypes.h>
+#include <avr/io.h>
+#include <avr/pgmspace.h>
+#include <avr/boot.h>
+#include <util/delay.h>
+#include <avr/interrupt.h>
+#include <avr/wdt.h>
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+
+#ifdef __cplusplus
+extern "C"{
+#endif
+
+typedef unsigned char u8;
+typedef unsigned short u16;
+typedef unsigned long u32;
+
+#define CDC_ENABLED
+
+#define USB_PID_LEONARDO 0x0034
+#define USB_PID_MICRO 0x0035
+#define USB_VID 0x2341 // arduino LLC vid
+#define USB_PID ARDUINO_MODEL_PID // passed in by Makefile - 0x0034 for Leonardo, 0x0035 for MIcro
+
+//#include "USBDesc.h"
+//#include "../../../cores/arduino/USBCore.h"
+
+
+#define min(a,b) ((a)<(b)?(a):(b))
+
+#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)
+
+#define BOARD_INIT() DDRC |= (1<<7); DDRB |= (1<<0); DDRE |= (1<<6); CPU_PRESCALE(0); DISABLE_JTAG(); // for XXX-series boards
+//#define BOARD_INIT() DDRC |= (1<<7); DDRB |= (1<<0); DDRD |= (1<<5); CPU_PRESCALE(0); DISABLE_JTAG(); // for non-XXX boards
+
+// for XXX-series boards
+#define TX_LED_OFF() PORTE |= (1<<6)
+#define TX_LED_ON() PORTE &= ~(1<<6)
+#define RX_LED_OFF() PORTB |= (1<<0)
+#define RX_LED_ON() PORTB &= ~(1<<0)
+#define L_LED_OFF() PORTC &= ~(1<<7)
+#define L_LED_ON() PORTC |= (1<<7)
+#define L_LED_TOGGLE() PORTC ^= (1<<7)
+
+// these for non-XXX boards
+//#define LED0 PORTC &= ~(1<<7)
+//#define LED1 PORTC |= (1<<7)
+//#define TXLED0 PORTD |= (1<<5)
+//#define TXLED1 PORTD &= ~(1<<5)
+//#define RXLED0 PORTB |= (1<<0)
+//#define RXLED1 PORTB &= ~(1<<0)
+
+#ifdef __cplusplus
+} /* extern "C"{ */
+#endif
+
+#include "USBDesc.h"
+#include "USBCore.h"
+#include "USBAPI.h"
+
+#endif /* __PLATFORM_H__ */
diff --git a/bootloaders/nuevo_diskloader/src/USBAPI.h b/bootloaders/nuevo_diskloader/src/USBAPI.h
new file mode 100644
index 0000000..1724ce1
--- /dev/null
+++ b/bootloaders/nuevo_diskloader/src/USBAPI.h
@@ -0,0 +1,83 @@
+
+
+#ifndef __USBAPI__
+#define __USBAPI__
+
+#if defined(USBCON)
+
+//================================================================================
+//================================================================================
+// USB
+
+class USB_
+{
+public:
+ USB_();
+ bool configured();
+
+ void attach();
+ void detach(); // Serial port goes down too...
+ void poll();
+};
+extern USB_ USB;
+
+//================================================================================
+//================================================================================
+// Serial over CDC (Serial1 is the physical port)
+
+class Serial_
+{
+public:
+ void begin(uint16_t baud_count);
+ void end(void);
+
+ virtual int available(void);
+ virtual int peek(void);
+ virtual int read(void);
+ virtual void flush(void);
+ virtual size_t write(uint8_t);
+};
+extern Serial_ Serial;
+
+//================================================================================
+//================================================================================
+// Low level API
+
+typedef struct
+{
+ uint8_t bmRequestType;
+ uint8_t bRequest;
+ uint8_t wValueL;
+ uint8_t wValueH;
+ uint16_t wIndex;
+ uint16_t wLength;
+} Setup;
+
+//================================================================================
+//================================================================================
+// CDC 'Driver'
+
+int CDC_GetInterface(uint8_t* interfaceNum);
+int CDC_GetDescriptor(int i);
+bool CDC_Setup(Setup& setup);
+
+//================================================================================
+//================================================================================
+
+#define TRANSFER_PGM 0x80
+#define TRANSFER_RELEASE 0x40
+#define TRANSFER_ZERO 0x20
+
+int USB_SendControl(uint8_t flags, const void* d, int len);
+int USB_RecvControl(void* d, int len);
+
+uint8_t USB_Available(uint8_t ep);
+int USB_Send(uint8_t ep, const void* data, int len); // blocking
+int USB_Recv(uint8_t ep, void* data, int len); // non-blocking
+void USB_Recv_block(u8 ep, u8* dst, int len); // blocking
+int USB_Recv(uint8_t ep); // non-blocking
+void USB_Flush(uint8_t ep);
+
+#endif
+
+#endif /* if defined(USBCON) */ \ No newline at end of file
diff --git a/bootloaders/nuevo_diskloader/src/USBCore.cpp b/bootloaders/nuevo_diskloader/src/USBCore.cpp
new file mode 100644
index 0000000..56944e5
--- /dev/null
+++ b/bootloaders/nuevo_diskloader/src/USBCore.cpp
@@ -0,0 +1,669 @@
+
+
+/* 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"
+#include "USBAPI.h"
+#include "USBDesc.h"
+
+#if defined(USBCON)
+
+#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
+
+/** Pulse generation counters to keep track of the number of milliseconds remaining for each pulse type */
+#define TX_RX_LED_PULSE_MS 100
+volatile u8 TxLEDPulse; /**< Milliseconds remaining for data Tx LED pulse */
+volatile u8 RxLEDPulse; /**< Milliseconds remaining for data Rx LED pulse */
+
+//==================================================================
+//==================================================================
+
+extern const u16 STRING_LANGUAGE[] PROGMEM;
+extern const u16 STRING_IPRODUCT[] PROGMEM;
+extern const u16 STRING_IMANUFACTURER[] PROGMEM;
+extern const DeviceDescriptor USB_DeviceDescriptor PROGMEM;
+extern const DeviceDescriptor USB_DeviceDescriptorA PROGMEM;
+
+const u16 STRING_LANGUAGE[2] = {
+ (3<<8) | (2+2),
+ 0x0409 // English
+};
+
+const u16 STRING_IPRODUCT[17] = {
+ (3<<8) | (2+2*16),
+#if USB_PID == USB_PID_LEONARDO
+ 'A','r','d','u','i','n','o',' ','L','e','o','n','a','r','d','o'
+#elif USB_PID == USB_PID_MICRO
+ 'A','r','d','u','i','n','o',' ','M','i','c','r','o',' ',' ',' '
+#endif
+};
+
+const u16 STRING_IMANUFACTURER[12] = {
+ (3<<8) | (2+2*11),
+ 'A','r','d','u','i','n','o',' ','L','L','C'
+};
+
+#ifdef CDC_ENABLED
+#define DEVICE_CLASS 0x02
+#else
+#define DEVICE_CLASS 0x00
+#endif
+
+// DEVICE DESCRIPTOR
+const DeviceDescriptor USB_DeviceDescriptor =
+ D_DEVICE(0x00,0x00,0x00,64,USB_VID,USB_PID,0x100,IMANUFACTURER,IPRODUCT,0,1);
+
+const DeviceDescriptor USB_DeviceDescriptorA =
+ D_DEVICE(DEVICE_CLASS,0x00,0x00,64,USB_VID,USB_PID,0x100,IMANUFACTURER,IPRODUCT,0,1);
+
+//==================================================================
+//==================================================================
+
+volatile u8 _usbConfiguration = 0;
+
+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);
+}
+
+void Recv(volatile u8* data, u8 count)
+{
+ while (count--)
+ *data++ = UEDATX;
+
+ RX_LED_ON();
+ RxLEDPulse = TX_RX_LED_PULSE_MS;
+}
+
+static inline u8 Recv8()
+{
+ RX_LED_ON();
+ RxLEDPulse = TX_RX_LED_PULSE_MS;
+
+ 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;
+}
+
+//==================================================================
+//==================================================================
+
+u8 USBGetConfiguration(void)
+{
+ return _usbConfiguration;
+}
+
+#define USB_RECV_TIMEOUT
+class LockEP
+{
+ u8 _sreg;
+public:
+ LockEP(u8 ep) : _sreg(SREG)
+ {
+ cli();
+ SetEP(ep & 7);
+ }
+ ~LockEP()
+ {
+ SREG = _sreg;
+ }
+};
+
+// Number of bytes, assumes a rx endpoint
+u8 USB_Available(u8 ep)
+{
+ LockEP lock(ep);
+ return FifoByteCount();
+}
+
+void USB_Recv_block(u8 ep, u8* dst, int len)
+{
+// SetEP(ep & 7);
+ LockEP lock(ep);
+ while (len--)
+ {
+ while (!ReadWriteAllowed())
+ ;
+ *dst++ = Recv8();
+ if (!ReadWriteAllowed()) // release empty buffer
+ ReleaseRX();
+ }
+}
+
+// Non Blocking receive
+// Return number of bytes read
+int USB_Recv(u8 ep, void* d, int len)
+{
+ if (!_usbConfiguration || len < 0)
+ return -1;
+
+ LockEP lock(ep);
+ u8 n = FifoByteCount();
+ len = min(n,len);
+ n = len;
+ u8* dst = (u8*)d;
+ while (n--)
+ *dst++ = Recv8();
+ if (len && !FifoByteCount()) // release empty buffer
+ ReleaseRX();
+
+ return len;
+}
+
+// Recv 1 byte if ready
+int USB_Recv(u8 ep)
+{
+ u8 c;
+ if (USB_Recv(ep,&c,1) != 1)
+ return -1;
+ return c;
+}
+
+// Space in send EP
+u8 USB_SendSpace(u8 ep)
+{
+ LockEP lock(ep);
+ if (!ReadWriteAllowed())
+ return 0;
+ return 64 - FifoByteCount();
+}
+
+// Blocking Send of data to an endpoint
+int USB_Send(u8 ep, const void* d, int len)
+{
+ if (!_usbConfiguration)
+ return -1;
+
+ int r = len;
+ const u8* data = (const u8*)d;
+// u8 zero = ep & TRANSFER_ZERO;
+ u8 timeout = 250; // 250ms timeout on send? TODO
+ while (len)
+ {
+ u8 n = USB_SendSpace(ep);
+ if (n == 0)
+ {
+// if (!(--timeout))
+// return -1;
+// delay(1);
+ _delay_ms(1);
+ continue;
+ }
+
+ if (n > len)
+ n = len;
+ len -= n;
+ {
+ LockEP lock(ep);
+ if (ep & TRANSFER_ZERO)
+ {
+ while (n--)
+ Send8(0);
+ }
+ else if (ep & TRANSFER_PGM)
+ {
+ while (n--)
+ Send8(pgm_read_byte(data++));
+ }
+ else
+ {
+ while (n--)
+ Send8(*data++);
+ }
+ if (!ReadWriteAllowed() || ((len == 0) && (ep & TRANSFER_RELEASE))) // Release full buffer
+ ReleaseTX();
+ }
+ }
+ if (ep & TRANSFER_RELEASE)
+ ReleaseTX();
+
+ TX_LED_ON();
+ TxLEDPulse = TX_RX_LED_PULSE_MS;
+ return r;
+}
+
+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
+
+#ifdef HID_ENABLED
+ EP_TYPE_INTERRUPT_IN // HID_ENDPOINT_INT
+#endif
+};
+
+#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;
+}
+
+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;
+}
+
+// Handle CLASS_INTERFACE requests
+static
+bool ClassInterfaceRequest(Setup& setup)
+{
+ u8 i = setup.wIndex;
+
+#ifdef CDC_ENABLED
+ if (CDC_ACM_INTERFACE == i)
+ return CDC_Setup(setup);
+#endif
+
+ return false;
+}
+
+int _cmark;
+int _cend;
+void InitControl(int end)
+{
+ SetEP(0);
+ _cmark = 0;
+ _cend = end;
+}
+
+static
+bool SendControl(u8 d)
+{
+ if (_cmark < _cend)
+ {
+ if (!WaitForINOrOUT())
+ return false;
+ Send8(d);
+ if (!((_cmark + 1) & 0x3F))
+ ClearIN(); // Fifo is full, release this packet
+ }
+ _cmark++;
+ return true;
+};
+
+// Clipped by _cmark/_cend
+int USB_SendControl(u8 flags, const void* d, int len)
+{
+ int sent = len;
+ const u8* data = (const u8*)d;
+ bool pgm = flags & TRANSFER_PGM;
+ while (len--)
+ {
+ u8 c = pgm ? pgm_read_byte(data++) : *data++;
+ if (!SendControl(c))
+ return -1;
+ }
+ return sent;
+}
+
+// Does not timeout or cross fifo boundaries
+// Will only work for transfers <= 64 bytes
+// TODO
+int USB_RecvControl(void* d, int len)
+{
+ WaitOUT();
+ Recv((u8*)d,len);
+ ClearOUT();
+ return len;
+}
+
+int SendInterfaces()
+{
+ int total = 0;
+ u8 interfaces = 0;
+
+#ifdef CDC_ENABLED
+ total = CDC_GetInterface(&interfaces);
+#endif
+
+ return interfaces;
+}
+
+// Construct a dynamic configuration descriptor
+// This really needs dynamic endpoint allocation etc
+// TODO
+static
+bool SendConfiguration(int maxlen)
+{
+ // Count and measure interfaces
+ InitControl(0);
+ int interfaces = SendInterfaces();
+ ConfigDescriptor config = D_CONFIG(_cmark + sizeof(ConfigDescriptor),interfaces);
+
+ // Now send them
+ InitControl(maxlen);
+ USB_SendControl(0,&config,sizeof(ConfigDescriptor));
+ SendInterfaces();
+ return true;
+}
+
+u8 _cdcComposite = 0;
+
+static
+bool SendDescriptor(Setup& setup)
+{
+ u8 t = setup.wValueH;
+ if (USB_CONFIGURATION_DESCRIPTOR_TYPE == t)
+ return SendConfiguration(setup.wLength);
+
+ InitControl(setup.wLength);
+#ifdef HID_ENABLED
+ if (HID_REPORT_DESCRIPTOR_TYPE == t)
+ return HID_GetDescriptor(t);
+#endif
+
+ u8 desc_length = 0;
+ const u8* desc_addr = 0;
+ 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_STRING_DESCRIPTOR_TYPE == t)
+ {
+ if (setup.wValueL == 0)
+ desc_addr = (const u8*)&STRING_LANGUAGE;
+ else if (setup.wValueL == IPRODUCT)
+ desc_addr = (const u8*)&STRING_IPRODUCT;
+ else if (setup.wValueL == IMANUFACTURER)
+ desc_addr = (const u8*)&STRING_IMANUFACTURER;
+ else
+ return false;
+ }
+
+ if (desc_addr == 0)
+ return false;
+ if (desc_length == 0)
+ desc_length = pgm_read_byte(desc_addr);
+
+ USB_SendControl(TRANSFER_PGM,desc_addr,desc_length);
+ return true;
+}
+
+// Endpoint 0 interrupt
+ISR(USB_COM_vect)
+{
+ SetEP(0);
+ if (!ReceivedSetupInt())
+ return;
+
+ Setup setup;
+ Recv((u8*)&setup,8);
+ ClearSetupInt();
+
+ u8 requestType = setup.bmRequestType;
+ if (requestType & REQUEST_DEVICETOHOST)
+ WaitIN();
+ else
+ ClearIN();
+
+ bool ok = true;
+ if (REQUEST_STANDARD == (requestType & REQUEST_TYPE))
+ {
+ // Standard Requests
+ u8 r = setup.bRequest;
+ if (GET_STATUS == r)
+ {
+ Send8(0); // TODO
+ Send8(0);
+ }
+ else if (CLEAR_FEATURE == r)
+ {
+ }
+ else if (SET_FEATURE == r)
+ {
+ }
+ else if (SET_ADDRESS == r)
+ {
+ WaitIN();
+ UDADDR = setup.wValueL | (1<<ADDEN);
+ }
+ else if (GET_DESCRIPTOR == r)
+ {
+ ok = SendDescriptor(setup);
+ }
+ else if (SET_DESCRIPTOR == r)
+ {
+ ok = false;
+ }
+ else if (GET_CONFIGURATION == r)
+ {
+ Send8(1);
+ }
+ else if (SET_CONFIGURATION == r)
+ {
+ if (REQUEST_DEVICE == (requestType & REQUEST_RECIPIENT))
+ {
+ InitEndpoints();
+ _usbConfiguration = setup.wValueL;
+ } else
+ ok = false;
+ }
+ else if (GET_INTERFACE == r)
+ {
+ }
+ else if (SET_INTERFACE == r)
+ {
+ }
+ }
+ else
+ {
+ InitControl(setup.wLength); // Max length of transfer
+ ok = ClassInterfaceRequest(setup);
+ }
+
+ if (ok)
+ ClearIN();
+ else
+ {
+ Stall();
+ }
+}
+
+void USB_Flush(u8 ep)
+{
+ SetEP(ep);
+ if (FifoByteCount())
+ ReleaseTX();
+}
+
+// General interrupt
+ISR(USB_GEN_vect)
+{
+ 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; // Enable interrupts for ep0
+ }
+
+ // Start of Frame - happens every millisecond so we use it for TX and RX LED one-shot timing, too
+ if (udint & (1<<SOFI))
+ {
+//#ifdef CDC_ENABLED
+ USB_Flush(CDC_TX); // Send a tx frame if found
+//#endif
+
+ // check whether the one-shot period has elapsed. if so, turn off the LED
+ if (TxLEDPulse && !(--TxLEDPulse))
+ TX_LED_OFF();
+ if (RxLEDPulse && !(--RxLEDPulse))
+ RX_LED_OFF();
+ }
+}
+
+// VBUS or counting frames
+// Any frame counting?
+u8 USBConnected()
+{
+ u8 f = UDFNUML;
+// delay(3);
+ _delay_ms(3);
+ return f != UDFNUML;
+}
+
+//=======================================================================
+//=======================================================================
+
+USB_ USB;
+
+USB_::USB_()
+{
+}
+
+void USB_::attach()
+{
+ _usbConfiguration = 0;
+ UHWCON = 0x01; // power internal reg
+ 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
+ UDIEN = (1<<EORSTE)|(1<<SOFE); // Enable interrupts for EOR (End of Reset) and SOF (start of frame)
+ UDCON = 0; // enable attach resistor
+}
+
+void USB_::detach()
+{
+}
+
+// Check for interrupts
+// TODO: VBUS detection
+bool USB_::configured()
+{
+ return _usbConfiguration;
+}
+
+void USB_::poll()
+{
+}
+
+#endif /* if defined(USBCON) */ \ No newline at end of file
diff --git a/bootloaders/nuevo_diskloader/src/USBCore.h b/bootloaders/nuevo_diskloader/src/USBCore.h
new file mode 100644
index 0000000..8d13806
--- /dev/null
+++ b/bootloaders/nuevo_diskloader/src/USBCore.h
@@ -0,0 +1,303 @@
+
+// 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__
+
+// Standard requests
+#define GET_STATUS 0
+#define CLEAR_FEATURE 1
+#define SET_FEATURE 3
+#define SET_ADDRESS 5
+#define GET_DESCRIPTOR 6
+#define SET_DESCRIPTOR 7
+#define GET_CONFIGURATION 8
+#define SET_CONFIGURATION 9
+#define GET_INTERFACE 10
+#define SET_INTERFACE 11
+
+
+// bmRequestType
+#define REQUEST_HOSTTODEVICE 0x00
+#define REQUEST_DEVICETOHOST 0x80
+#define REQUEST_DIRECTION 0x80
+
+#define REQUEST_STANDARD 0x00
+#define REQUEST_CLASS 0x20
+#define REQUEST_VENDOR 0x40
+#define REQUEST_TYPE 0x60
+
+#define REQUEST_DEVICE 0x00
+#define REQUEST_INTERFACE 0x01
+#define REQUEST_ENDPOINT 0x02
+#define REQUEST_OTHER 0x03
+#define REQUEST_RECIPIENT 0x03
+
+#define REQUEST_DEVICETOHOST_CLASS_INTERFACE (REQUEST_DEVICETOHOST + REQUEST_CLASS + REQUEST_INTERFACE)
+#define REQUEST_HOSTTODEVICE_CLASS_INTERFACE (REQUEST_HOSTTODEVICE + REQUEST_CLASS + REQUEST_INTERFACE)
+
+// Class requests
+
+#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
+
+#define HID_GET_REPORT 0x01
+#define HID_GET_IDLE 0x02
+#define HID_GET_PROTOCOL 0x03
+#define HID_SET_REPORT 0x09
+#define HID_SET_IDLE 0x0A
+#define HID_SET_PROTOCOL 0x0B
+
+// 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
+
+#define HID_HID_DESCRIPTOR_TYPE 0x21
+#define HID_REPORT_DESCRIPTOR_TYPE 0x22
+#define HID_PHYSICAL_DESCRIPTOR_TYPE 0x23
+
+
+// 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
+{
+ u8 len;
+ u8 dtype; // 0x24
+ u8 subtype; // 1
+ u8 bmCapabilities;
+ u8 bDataInterface;
+} CMFunctionalDescriptor;
+
+typedef struct
+{
+ u8 len;
+ u8 dtype; // 0x24
+ u8 subtype; // 1
+ u8 bmCapabilities;
+} ACMFunctionalDescriptor;
+
+typedef struct
+{
+ // IAD
+ IADDescriptor iad; // Only needed on compound device
+
+ // Control
+ InterfaceDescriptor cif; //
+ CDCCSInterfaceDescriptor header;
+ CMFunctionalDescriptor callManagement; // Call Management
+ ACMFunctionalDescriptor controlManagement; // ACM
+ CDCCSInterfaceDescriptor functionalDescriptor; // CDC_UNION
+ 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(500) }
+
+#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 \ No newline at end of file
diff --git a/bootloaders/nuevo_diskloader/src/USBDesc.h b/bootloaders/nuevo_diskloader/src/USBDesc.h
new file mode 100644
index 0000000..a3f1b0f
--- /dev/null
+++ b/bootloaders/nuevo_diskloader/src/USBDesc.h
@@ -0,0 +1,65 @@
+
+
+/* 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.
+*/
+
+#define CDC_ENABLED
+
+#ifdef CDC_ENABLED
+#define CDC_INTERFACE_COUNT 2
+#define CDC_ENPOINT_COUNT 3
+#else
+#define CDC_INTERFACE_COUNT 0
+#define CDC_ENPOINT_COUNT 0
+#endif
+
+#ifdef HID_ENABLED
+#define HID_INTERFACE_COUNT 1
+#define HID_ENPOINT_COUNT 1
+#else
+#define HID_INTERFACE_COUNT 0
+#define HID_ENPOINT_COUNT 0
+#endif
+
+#define CDC_ACM_INTERFACE 0 // CDC ACM
+#define CDC_DATA_INTERFACE 1 // CDC Data
+#define CDC_FIRST_ENDPOINT 1
+#define CDC_ENDPOINT_ACM (CDC_FIRST_ENDPOINT) // CDC First
+#define CDC_ENDPOINT_OUT (CDC_FIRST_ENDPOINT+1)
+#define CDC_ENDPOINT_IN (CDC_FIRST_ENDPOINT+2)
+
+#define HID_INTERFACE (CDC_ACM_INTERFACE + CDC_INTERFACE_COUNT) // HID Interface
+#define HID_FIRST_ENDPOINT (CDC_FIRST_ENDPOINT + CDC_ENPOINT_COUNT)
+#define HID_ENDPOINT_INT (HID_FIRST_ENDPOINT)
+
+#define INTERFACE_COUNT (MSC_INTERFACE + MSC_INTERFACE_COUNT)
+
+#ifdef CDC_ENABLED
+#define CDC_RX CDC_ENDPOINT_OUT
+#define CDC_TX CDC_ENDPOINT_IN
+#endif
+
+#ifdef HID_ENABLED
+#define HID_TX HID_ENDPOINT_INT
+#endif
+
+#define IMANUFACTURER 1
+#define IPRODUCT 2
+#define USB_PID_LEONARDO 0x0034
+#define USB_PID_MICRO 0x0035
+#define USB_VID 0x2341 // arduino LLC vid
+//#define USB_PID ARDUINO_MODEL_USB_PID
+
generated by cgit v1.2.3-18-g5258 (git 2.32.0) at 2024-11-27 17:16:58 +0000