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authorChristian Pointner <equinox@mur.at>2012-05-16 22:53:01 +0000
committerChristian Pointner <equinox@mur.at>2012-05-16 22:53:01 +0000
commit9782aae3cc6896f8305c412fcf4c9ad44f74d72b (patch)
treec2fdf5baf45ace4a2d8ce83512b65776bf6cde11 /software
parentbetter mic amp (diff)
removed old/unused cmx589 test code
git-svn-id: https://svn.spreadspace.org/mur.sat@411 7de4ea59-55d0-425e-a1af-a3118ea81d4c
Diffstat (limited to 'software')
-rw-r--r--software/cmx589a_teensy_test/Makefile614
-rw-r--r--software/cmx589a_teensy_test/cmx589a.c267
-rw-r--r--software/cmx589a_teensy_test/tx_benchmark.c169
-rw-r--r--software/cmx589a_teensy_test/uart.c134
-rw-r--r--software/cmx589a_teensy_test/uart.h11
-rw-r--r--software/cmx589a_teensy_test/usb_serial.c936
-rw-r--r--software/cmx589a_teensy_test/usb_serial.h124
7 files changed, 0 insertions, 2255 deletions
diff --git a/software/cmx589a_teensy_test/Makefile b/software/cmx589a_teensy_test/Makefile
deleted file mode 100644
index 0640c09..0000000
--- a/software/cmx589a_teensy_test/Makefile
+++ /dev/null
@@ -1,614 +0,0 @@
-# Hey Emacs, this is a -*- makefile -*-
-#----------------------------------------------------------------------------
-# WinAVR Makefile Template written by Eric B. Weddington, Jörg Wunsch, et al.
-#
-# Released to the Public Domain
-#
-# Additional material for this makefile was written by:
-# Peter Fleury
-# Tim Henigan
-# Colin O'Flynn
-# Reiner Patommel
-# Markus Pfaff
-# Sander Pool
-# Frederik Rouleau
-# Carlos Lamas
-#
-#----------------------------------------------------------------------------
-# On command line:
-#
-# make all = Make software.
-#
-# make clean = Clean out built project files.
-#
-# make coff = Convert ELF to AVR COFF.
-#
-# make extcoff = Convert ELF to AVR Extended COFF.
-#
-# make program = Download the hex file to the device, using avrdude.
-# Please customize the avrdude settings below first!
-#
-# make debug = Start either simulavr or avarice as specified for debugging,
-# with avr-gdb or avr-insight as the front end for debugging.
-#
-# make filename.s = Just compile filename.c into the assembler code only.
-#
-# make filename.i = Create a preprocessed source file for use in submitting
-# bug reports to the GCC project.
-#
-# To rebuild project do "make clean" then "make all".
-#----------------------------------------------------------------------------
-
-
-# Target file name (without extension).
-TARGET = cmx589a
-
-
-# List C source files here. (C dependencies are automatically generated.)
-SRC = $(TARGET).c \
- usb_serial.c \
- uart.c \
-
-# MCU name, you MUST set this to match the board you are using
-# type "make clean" after changing this, so all files will be rebuilt
-#
-#MCU = at90usb162 # Teensy 1.0
-MCU = atmega32u4 # Teensy 2.0
-#MCU = at90usb646 # Teensy++ 1.0
-#MCU = at90usb1286 # Teensy++ 2.0
-
-
-# Processor frequency.
-# Normally the first thing your program should do is set the clock prescaler,
-# so your program will run at the correct speed. You should also set this
-# variable to same clock speed. The _delay_ms() macro uses this, and many
-# examples use this variable to calculate timings. Do not add a "UL" here.
-F_CPU = 16000000
-
-
-# Output format. (can be srec, ihex, binary)
-FORMAT = ihex
-
-
-# Object files directory
-# To put object files in current directory, use a dot (.), do NOT make
-# this an empty or blank macro!
-OBJDIR = .
-
-
-# List C++ source files here. (C dependencies are automatically generated.)
-CPPSRC =
-
-
-# List Assembler source files here.
-# Make them always end in a capital .S. Files ending in a lowercase .s
-# will not be considered source files but generated files (assembler
-# output from the compiler), and will be deleted upon "make clean"!
-# Even though the DOS/Win* filesystem matches both .s and .S the same,
-# it will preserve the spelling of the filenames, and gcc itself does
-# care about how the name is spelled on its command-line.
-ASRC =
-
-
-# Optimization level, can be [0, 1, 2, 3, s].
-# 0 = turn off optimization. s = optimize for size.
-# (Note: 3 is not always the best optimization level. See avr-libc FAQ.)
-OPT = s
-
-
-# Debugging format.
-# Native formats for AVR-GCC's -g are dwarf-2 [default] or stabs.
-# AVR Studio 4.10 requires dwarf-2.
-# AVR [Extended] COFF format requires stabs, plus an avr-objcopy run.
-DEBUG = dwarf-2
-
-
-# List any extra directories to look for include files here.
-# Each directory must be seperated by a space.
-# Use forward slashes for directory separators.
-# For a directory that has spaces, enclose it in quotes.
-EXTRAINCDIRS =
-
-
-# Compiler flag to set the C Standard level.
-# c89 = "ANSI" C
-# gnu89 = c89 plus GCC extensions
-# c99 = ISO C99 standard (not yet fully implemented)
-# gnu99 = c99 plus GCC extensions
-CSTANDARD = -std=gnu99
-
-
-# Place -D or -U options here for C sources
-CDEFS = -DF_CPU=$(F_CPU)UL
-
-
-# Place -D or -U options here for ASM sources
-ADEFS = -DF_CPU=$(F_CPU)
-
-
-# Place -D or -U options here for C++ sources
-CPPDEFS = -DF_CPU=$(F_CPU)UL
-#CPPDEFS += -D__STDC_LIMIT_MACROS
-#CPPDEFS += -D__STDC_CONSTANT_MACROS
-
-
-
-#---------------- Compiler Options C ----------------
-# -g*: generate debugging information
-# -O*: optimization level
-# -f...: tuning, see GCC manual and avr-libc documentation
-# -Wall...: warning level
-# -Wa,...: tell GCC to pass this to the assembler.
-# -adhlns...: create assembler listing
-CFLAGS = -g$(DEBUG)
-CFLAGS += $(CDEFS)
-CFLAGS += -O$(OPT)
-CFLAGS += -funsigned-char
-CFLAGS += -funsigned-bitfields
-CFLAGS += -ffunction-sections
-CFLAGS += -fpack-struct
-CFLAGS += -fshort-enums
-CFLAGS += -Wall
-CFLAGS += -Wstrict-prototypes
-#CFLAGS += -mshort-calls
-#CFLAGS += -fno-unit-at-a-time
-#CFLAGS += -Wundef
-#CFLAGS += -Wunreachable-code
-#CFLAGS += -Wsign-compare
-CFLAGS += -Wa,-adhlns=$(<:%.c=$(OBJDIR)/%.lst)
-CFLAGS += $(patsubst %,-I%,$(EXTRAINCDIRS))
-CFLAGS += $(CSTANDARD)
-
-
-#---------------- Compiler Options C++ ----------------
-# -g*: generate debugging information
-# -O*: optimization level
-# -f...: tuning, see GCC manual and avr-libc documentation
-# -Wall...: warning level
-# -Wa,...: tell GCC to pass this to the assembler.
-# -adhlns...: create assembler listing
-CPPFLAGS = -g$(DEBUG)
-CPPFLAGS += $(CPPDEFS)
-CPPFLAGS += -O$(OPT)
-CPPFLAGS += -funsigned-char
-CPPFLAGS += -funsigned-bitfields
-CPPFLAGS += -fpack-struct
-CPPFLAGS += -fshort-enums
-CPPFLAGS += -fno-exceptions
-CPPFLAGS += -Wall
-CPPFLAGS += -Wundef
-#CPPFLAGS += -mshort-calls
-#CPPFLAGS += -fno-unit-at-a-time
-#CPPFLAGS += -Wstrict-prototypes
-#CPPFLAGS += -Wunreachable-code
-#CPPFLAGS += -Wsign-compare
-CPPFLAGS += -Wa,-adhlns=$(<:%.cpp=$(OBJDIR)/%.lst)
-CPPFLAGS += $(patsubst %,-I%,$(EXTRAINCDIRS))
-#CPPFLAGS += $(CSTANDARD)
-
-
-#---------------- Assembler Options ----------------
-# -Wa,...: tell GCC to pass this to the assembler.
-# -adhlns: create listing
-# -gstabs: have the assembler create line number information; note that
-# for use in COFF files, additional information about filenames
-# and function names needs to be present in the assembler source
-# files -- see avr-libc docs [FIXME: not yet described there]
-# -listing-cont-lines: Sets the maximum number of continuation lines of hex
-# dump that will be displayed for a given single line of source input.
-ASFLAGS = $(ADEFS) -Wa,-adhlns=$(<:%.S=$(OBJDIR)/%.lst),-gstabs,--listing-cont-lines=100
-
-
-#---------------- Library Options ----------------
-# Minimalistic printf version
-PRINTF_LIB_MIN = -Wl,-u,vfprintf -lprintf_min
-
-# Floating point printf version (requires MATH_LIB = -lm below)
-PRINTF_LIB_FLOAT = -Wl,-u,vfprintf -lprintf_flt
-
-# If this is left blank, then it will use the Standard printf version.
-PRINTF_LIB =
-#PRINTF_LIB = $(PRINTF_LIB_MIN)
-#PRINTF_LIB = $(PRINTF_LIB_FLOAT)
-
-
-# Minimalistic scanf version
-SCANF_LIB_MIN = -Wl,-u,vfscanf -lscanf_min
-
-# Floating point + %[ scanf version (requires MATH_LIB = -lm below)
-SCANF_LIB_FLOAT = -Wl,-u,vfscanf -lscanf_flt
-
-# If this is left blank, then it will use the Standard scanf version.
-SCANF_LIB =
-#SCANF_LIB = $(SCANF_LIB_MIN)
-#SCANF_LIB = $(SCANF_LIB_FLOAT)
-
-
-MATH_LIB = -lm
-
-
-# List any extra directories to look for libraries here.
-# Each directory must be seperated by a space.
-# Use forward slashes for directory separators.
-# For a directory that has spaces, enclose it in quotes.
-EXTRALIBDIRS =
-
-
-
-#---------------- External Memory Options ----------------
-
-# 64 KB of external RAM, starting after internal RAM (ATmega128!),
-# used for variables (.data/.bss) and heap (malloc()).
-#EXTMEMOPTS = -Wl,-Tdata=0x801100,--defsym=__heap_end=0x80ffff
-
-# 64 KB of external RAM, starting after internal RAM (ATmega128!),
-# only used for heap (malloc()).
-#EXTMEMOPTS = -Wl,--section-start,.data=0x801100,--defsym=__heap_end=0x80ffff
-
-EXTMEMOPTS =
-
-
-
-#---------------- Linker Options ----------------
-# -Wl,...: tell GCC to pass this to linker.
-# -Map: create map file
-# --cref: add cross reference to map file
-LDFLAGS = -Wl,-Map=$(TARGET).map,--cref
-LDFLAGS += -Wl,--relax
-LDFLAGS += -Wl,--gc-sections
-LDFLAGS += $(EXTMEMOPTS)
-LDFLAGS += $(patsubst %,-L%,$(EXTRALIBDIRS))
-LDFLAGS += $(PRINTF_LIB) $(SCANF_LIB) $(MATH_LIB)
-#LDFLAGS += -T linker_script.x
-
-
-
-#---------------- Programming Options (avrdude) ----------------
-
-# Programming hardware
-# Type: avrdude -c ?
-# to get a full listing.
-#
-AVRDUDE_PROGRAMMER = stk500v2
-
-# com1 = serial port. Use lpt1 to connect to parallel port.
-AVRDUDE_PORT = /dev/ # programmer connected to serial device
-
-AVRDUDE_WRITE_FLASH = -U flash:w:$(TARGET).hex
-#AVRDUDE_WRITE_EEPROM = -U eeprom:w:$(TARGET).eep
-
-
-# Uncomment the following if you want avrdude's erase cycle counter.
-# Note that this counter needs to be initialized first using -Yn,
-# see avrdude manual.
-#AVRDUDE_ERASE_COUNTER = -y
-
-# Uncomment the following if you do /not/ wish a verification to be
-# performed after programming the device.
-#AVRDUDE_NO_VERIFY = -V
-
-# Increase verbosity level. Please use this when submitting bug
-# reports about avrdude. See <http://savannah.nongnu.org/projects/avrdude>
-# to submit bug reports.
-#AVRDUDE_VERBOSE = -v -v
-
-AVRDUDE_FLAGS = -p $(MCU) -P $(AVRDUDE_PORT) -c $(AVRDUDE_PROGRAMMER)
-AVRDUDE_FLAGS += $(AVRDUDE_NO_VERIFY)
-AVRDUDE_FLAGS += $(AVRDUDE_VERBOSE)
-AVRDUDE_FLAGS += $(AVRDUDE_ERASE_COUNTER)
-
-
-
-#---------------- Debugging Options ----------------
-
-# For simulavr only - target MCU frequency.
-DEBUG_MFREQ = $(F_CPU)
-
-# Set the DEBUG_UI to either gdb or insight.
-# DEBUG_UI = gdb
-DEBUG_UI = insight
-
-# Set the debugging back-end to either avarice, simulavr.
-DEBUG_BACKEND = avarice
-#DEBUG_BACKEND = simulavr
-
-# GDB Init Filename.
-GDBINIT_FILE = __avr_gdbinit
-
-# When using avarice settings for the JTAG
-JTAG_DEV = /dev/com1
-
-# Debugging port used to communicate between GDB / avarice / simulavr.
-DEBUG_PORT = 4242
-
-# Debugging host used to communicate between GDB / avarice / simulavr, normally
-# just set to localhost unless doing some sort of crazy debugging when
-# avarice is running on a different computer.
-DEBUG_HOST = localhost
-
-
-
-#============================================================================
-
-
-# Define programs and commands.
-SHELL = sh
-CC = avr-gcc
-OBJCOPY = avr-objcopy
-OBJDUMP = avr-objdump
-SIZE = avr-size
-AR = avr-ar rcs
-NM = avr-nm
-AVRDUDE = avrdude
-REMOVE = rm -f
-REMOVEDIR = rm -rf
-COPY = cp
-WINSHELL = cmd
-
-
-# Define Messages
-# English
-MSG_ERRORS_NONE = Errors: none
-MSG_BEGIN = -------- begin --------
-MSG_END = -------- end --------
-MSG_SIZE_BEFORE = Size before:
-MSG_SIZE_AFTER = Size after:
-MSG_COFF = Converting to AVR COFF:
-MSG_EXTENDED_COFF = Converting to AVR Extended COFF:
-MSG_FLASH = Creating load file for Flash:
-MSG_EEPROM = Creating load file for EEPROM:
-MSG_EXTENDED_LISTING = Creating Extended Listing:
-MSG_SYMBOL_TABLE = Creating Symbol Table:
-MSG_LINKING = Linking:
-MSG_COMPILING = Compiling C:
-MSG_COMPILING_CPP = Compiling C++:
-MSG_ASSEMBLING = Assembling:
-MSG_CLEANING = Cleaning project:
-MSG_CREATING_LIBRARY = Creating library:
-
-
-
-
-# Define all object files.
-OBJ = $(SRC:%.c=$(OBJDIR)/%.o) $(CPPSRC:%.cpp=$(OBJDIR)/%.o) $(ASRC:%.S=$(OBJDIR)/%.o)
-
-# Define all listing files.
-LST = $(SRC:%.c=$(OBJDIR)/%.lst) $(CPPSRC:%.cpp=$(OBJDIR)/%.lst) $(ASRC:%.S=$(OBJDIR)/%.lst)
-
-
-# Compiler flags to generate dependency files.
-GENDEPFLAGS = -MMD -MP -MF .dep/$(@F).d
-
-
-# Combine all necessary flags and optional flags.
-# Add target processor to flags.
-ALL_CFLAGS = -mmcu=$(MCU) -I. $(CFLAGS) $(GENDEPFLAGS)
-ALL_CPPFLAGS = -mmcu=$(MCU) -I. -x c++ $(CPPFLAGS) $(GENDEPFLAGS)
-ALL_ASFLAGS = -mmcu=$(MCU) -I. -x assembler-with-cpp $(ASFLAGS)
-
-
-
-
-
-# Default target.
-all: begin gccversion sizebefore build sizeafter end
-
-# Change the build target to build a HEX file or a library.
-build: elf hex eep lss sym
-#build: lib
-
-
-elf: $(TARGET).elf
-hex: $(TARGET).hex
-eep: $(TARGET).eep
-lss: $(TARGET).lss
-sym: $(TARGET).sym
-LIBNAME=lib$(TARGET).a
-lib: $(LIBNAME)
-
-
-
-# Eye candy.
-# AVR Studio 3.x does not check make's exit code but relies on
-# the following magic strings to be generated by the compile job.
-begin:
- @echo
- @echo $(MSG_BEGIN)
-
-end:
- @echo $(MSG_END)
- @echo
-
-
-# Display size of file.
-HEXSIZE = $(SIZE) --target=$(FORMAT) $(TARGET).hex
-#ELFSIZE = $(SIZE) --mcu=$(MCU) --format=avr $(TARGET).elf
-ELFSIZE = $(SIZE) $(TARGET).elf
-
-sizebefore:
- @if test -f $(TARGET).elf; then echo; echo $(MSG_SIZE_BEFORE); $(ELFSIZE); \
- 2>/dev/null; echo; fi
-
-sizeafter:
- @if test -f $(TARGET).elf; then echo; echo $(MSG_SIZE_AFTER); $(ELFSIZE); \
- 2>/dev/null; echo; fi
-
-
-
-# Display compiler version information.
-gccversion :
- @$(CC) --version
-
-
-
-# Program the device.
-program: $(TARGET).hex $(TARGET).eep
- $(AVRDUDE) $(AVRDUDE_FLAGS) $(AVRDUDE_WRITE_FLASH) $(AVRDUDE_WRITE_EEPROM)
-
-
-# Generate avr-gdb config/init file which does the following:
-# define the reset signal, load the target file, connect to target, and set
-# a breakpoint at main().
-gdb-config:
- @$(REMOVE) $(GDBINIT_FILE)
- @echo define reset >> $(GDBINIT_FILE)
- @echo SIGNAL SIGHUP >> $(GDBINIT_FILE)
- @echo end >> $(GDBINIT_FILE)
- @echo file $(TARGET).elf >> $(GDBINIT_FILE)
- @echo target remote $(DEBUG_HOST):$(DEBUG_PORT) >> $(GDBINIT_FILE)
-ifeq ($(DEBUG_BACKEND),simulavr)
- @echo load >> $(GDBINIT_FILE)
-endif
- @echo break main >> $(GDBINIT_FILE)
-
-debug: gdb-config $(TARGET).elf
-ifeq ($(DEBUG_BACKEND), avarice)
- @echo Starting AVaRICE - Press enter when "waiting to connect" message displays.
- @$(WINSHELL) /c start avarice --jtag $(JTAG_DEV) --erase --program --file \
- $(TARGET).elf $(DEBUG_HOST):$(DEBUG_PORT)
- @$(WINSHELL) /c pause
-
-else
- @$(WINSHELL) /c start simulavr --gdbserver --device $(MCU) --clock-freq \
- $(DEBUG_MFREQ) --port $(DEBUG_PORT)
-endif
- @$(WINSHELL) /c start avr-$(DEBUG_UI) --command=$(GDBINIT_FILE)
-
-
-
-
-# Convert ELF to COFF for use in debugging / simulating in AVR Studio or VMLAB.
-COFFCONVERT = $(OBJCOPY) --debugging
-COFFCONVERT += --change-section-address .data-0x800000
-COFFCONVERT += --change-section-address .bss-0x800000
-COFFCONVERT += --change-section-address .noinit-0x800000
-COFFCONVERT += --change-section-address .eeprom-0x810000
-
-
-
-coff: $(TARGET).elf
- @echo
- @echo $(MSG_COFF) $(TARGET).cof
- $(COFFCONVERT) -O coff-avr $< $(TARGET).cof
-
-
-extcoff: $(TARGET).elf
- @echo
- @echo $(MSG_EXTENDED_COFF) $(TARGET).cof
- $(COFFCONVERT) -O coff-ext-avr $< $(TARGET).cof
-
-
-
-# Create final output files (.hex, .eep) from ELF output file.
-%.hex: %.elf
- @echo
- @echo $(MSG_FLASH) $@
- $(OBJCOPY) -O $(FORMAT) -R .eeprom -R .fuse -R .lock -R .signature $< $@
-
-%.eep: %.elf
- @echo
- @echo $(MSG_EEPROM) $@
- -$(OBJCOPY) -j .eeprom --set-section-flags=.eeprom="alloc,load" \
- --change-section-lma .eeprom=0 --no-change-warnings -O $(FORMAT) $< $@ || exit 0
-
-# Create extended listing file from ELF output file.
-%.lss: %.elf
- @echo
- @echo $(MSG_EXTENDED_LISTING) $@
- $(OBJDUMP) -h -S -z $< > $@
-
-# Create a symbol table from ELF output file.
-%.sym: %.elf
- @echo
- @echo $(MSG_SYMBOL_TABLE) $@
- $(NM) -n $< > $@
-
-
-
-# Create library from object files.
-.SECONDARY : $(TARGET).a
-.PRECIOUS : $(OBJ)
-%.a: $(OBJ)
- @echo
- @echo $(MSG_CREATING_LIBRARY) $@
- $(AR) $@ $(OBJ)
-
-
-# Link: create ELF output file from object files.
-.SECONDARY : $(TARGET).elf
-.PRECIOUS : $(OBJ)
-%.elf: $(OBJ)
- @echo
- @echo $(MSG_LINKING) $@
- $(CC) $(ALL_CFLAGS) $^ --output $@ $(LDFLAGS)
-
-
-# Compile: create object files from C source files.
-$(OBJDIR)/%.o : %.c
- @echo
- @echo $(MSG_COMPILING) $<
- $(CC) -c $(ALL_CFLAGS) $< -o $@
-
-
-# Compile: create object files from C++ source files.
-$(OBJDIR)/%.o : %.cpp
- @echo
- @echo $(MSG_COMPILING_CPP) $<
- $(CC) -c $(ALL_CPPFLAGS) $< -o $@
-
-
-# Compile: create assembler files from C source files.
-%.s : %.c
- $(CC) -S $(ALL_CFLAGS) $< -o $@
-
-
-# Compile: create assembler files from C++ source files.
-%.s : %.cpp
- $(CC) -S $(ALL_CPPFLAGS) $< -o $@
-
-
-# Assemble: create object files from assembler source files.
-$(OBJDIR)/%.o : %.S
- @echo
- @echo $(MSG_ASSEMBLING) $<
- $(CC) -c $(ALL_ASFLAGS) $< -o $@
-
-
-# Create preprocessed source for use in sending a bug report.
-%.i : %.c
- $(CC) -E -mmcu=$(MCU) -I. $(CFLAGS) $< -o $@
-
-
-# Target: clean project.
-clean: begin clean_list end
-
-clean_list :
- @echo
- @echo $(MSG_CLEANING)
- $(REMOVE) $(TARGET).hex
- $(REMOVE) $(TARGET).eep
- $(REMOVE) $(TARGET).cof
- $(REMOVE) $(TARGET).elf
- $(REMOVE) $(TARGET).map
- $(REMOVE) $(TARGET).sym
- $(REMOVE) $(TARGET).lss
- $(REMOVE) $(SRC:%.c=$(OBJDIR)/%.o)
- $(REMOVE) $(SRC:%.c=$(OBJDIR)/%.lst)
- $(REMOVE) $(SRC:.c=.s)
- $(REMOVE) $(SRC:.c=.d)
- $(REMOVE) $(SRC:.c=.i)
- $(REMOVEDIR) .dep
-
-
-# Create object files directory
-$(shell mkdir $(OBJDIR) 2>/dev/null)
-
-
-# Include the dependency files.
--include $(shell mkdir .dep 2>/dev/null) $(wildcard .dep/*)
-
-
-# Listing of phony targets.
-.PHONY : all begin finish end sizebefore sizeafter gccversion \
-build elf hex eep lss sym coff extcoff \
-clean clean_list program debug gdb-config
diff --git a/software/cmx589a_teensy_test/cmx589a.c b/software/cmx589a_teensy_test/cmx589a.c
deleted file mode 100644
index ebeeca6..0000000
--- a/software/cmx589a_teensy_test/cmx589a.c
+++ /dev/null
@@ -1,267 +0,0 @@
-/* Simple example for Teensy USB Development Board
- * http://www.pjrc.com/teensy/
- * Copyright (c) 2008 PJRC.COM, LLC
- *
- * Permission is hereby granted, free of charge, to any person obtaining a copy
- * of this software and associated documentation files (the "Software"), to deal
- * in the Software without restriction, including without limitation the rights
- * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
- * copies of the Software, and to permit persons to whom the Software is
- * furnished to do so, subject to the following conditions:
- *
- * The above copyright notice and this permission notice shall be included in
- * all copies or substantial portions of the Software.
- *
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
- * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
- * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
- * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
- * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
- * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
- * THE SOFTWARE.
- */
-
-#include <avr/io.h>
-#include <avr/pgmspace.h>
-#include <stdint.h>
-#include <util/delay.h>
-#include "usb_serial.h"
-#include "uart.h"
-
-#define LED_CONFIG (DDRD |= (1<<6))
-#define LED_ON (PORTD |= (1<<6))
-#define LED_OFF (PORTD &= ~(1<<6))
-#define CPU_PRESCALE(n) (CLKPR = 0x80, CLKPR = (n))
-
-#define INT1_SET_INPUT (DDRD |= (1<<1))
-#define PB3_SET_OUTPUT (DDRB &= ~ (1<<3))
-#define PB7_SET_OUTPUT (DDRB &= ~(1<<7))
-
-#define PB3_TX_ENABLE (PORTB |= (1<<3))
-#define PB3_TX_DISABLE (PORTB &= ~(1<<3))
-
-#define ExtInt1On EIMSK |= 1 << INT1
-#define ExtInt1Config EICRA |= (1 << ISC10 ) | ( 1 << ISC11)
-
-#define UART_SET_DEFAULT UCSR1C = 0
-#define UART_SET_8BIT UCSR1C |= (1 << UMSEL10) | (1 << UCSZ10) | (1 << UCSZ11)
-#define UART_SET_EXT_CLK XCK1_DDR &= ~(1<<XCK1)
-
-
-
-
-//#define INIT_COUNTER_0 TCNT0 = 0
-//#define SET_CTC_MODE WGM &= !7; WGM |= 2
-//#define SET_EXT_FREQ_5_3_MHZ OCR0A = 3
-
-
-unsigned int snr_rsii_counter = 0;
-ISR(INT1_vect)
-{
- snr_rsii_counter++;
-
- return 0;
-}
-
-#define BAUD_RATE 9600
-
-// write a string to the uart
-#define uart_print(s) uart_print_P(PSTR(s))
-void uart_print_P(const char *str)
-{
- char c;
- while (1) {
- c = pgm_read_byte(str++);
- if (!c) break;
- uart_putchar(c);
- }
-}
-
-void send_str(const char *s);
-uint8_t recv_str(char *buf, uint8_t size);
-void parse_and_execute_command(const char *buf, uint8_t num);
-
-// Basic command interpreter for controlling port pins
-int main(void)
-{
- char buf[32];
- uint8_t n, c;
-
- // set for 16 MHz clock, and turn on the LED
- CPU_PRESCALE(0);
- LED_CONFIG;
- LED_ON;
-
- INT1_SET_INPUT;
- ExtInt1On;
- ExtInt1Config;
-
- PB3_SET_OUTPUT;
- //PB3_TX_DISABLE;
- PB3_TX_ENABLE;
-
- usb_init();
- uart_init(BAUD_RATE);
-
-
- while (1) {
- if (uart_available()) {
- c = uart_getchar();
-
- }
- uart_print("TEST\r\n");
- }
- return 0;
-
- //END
-
- // initialize the USB, and then wait for the host
- // to set configuration. If the Teensy is powered
- // without a PC connected to the USB port, this
- // will wait forever.
- while (!usb_configured()) /* wait */ ;
- _delay_ms(1000);
-
- while (1) {
- // wait for the user to run their terminal emulator program
- // which sets DTR to indicate it is ready to receive.
- while (!(usb_serial_get_control() & USB_SERIAL_DTR)) /* wait */ ;
-
- // discard anything that was received prior. Sometimes the
- // operating system or other software will send a modem
- // "AT command", which can still be buffered.
- usb_serial_flush_input();
-
- // print a nice welcome message
- send_str(PSTR("\r\nTeensy USB Serial Example, "
- "Simple Pin Control Shell\r\n\r\n"
- "Example Commands\r\n"
- " B0? Read Port B, pin 0\r\n"
- " C2=0 Write Port C, pin 1 LOW\r\n"
- " D6=1 Write Port D, pin 6 HIGH (D6 is LED pin)\r\n\r\n"));
-
- // and then listen for commands and process them
- while (1) {
- send_str(PSTR("> "));
- n = recv_str(buf, sizeof(buf));
- if (n == 255) break;
- send_str(PSTR("\r\n"));
- parse_and_execute_command(buf, n);
- }
- }
-}
-
-
-// Send a string to the USB serial port. The string must be in
-// flash memory, using PSTR
-//
-void send_str(const char *s)
-{
- char c;
- while (1) {
- c = pgm_read_byte(s++);
- if (!c) break;
- usb_serial_putchar(c);
- }
-}
-
-// Receive a string from the USB serial port. The string is stored
-// in the buffer and this function will not exceed the buffer size.
-// A carriage return or newline completes the string, and is not
-// stored into the buffer.
-// The return value is the number of characters received, or 255 if
-// the virtual serial connection was closed while waiting.
-//
-uint8_t recv_str(char *buf, uint8_t size)
-{
- int16_t r;
- uint8_t count=0;
-
- while (count < size) {
- r = usb_serial_getchar();
- if (r != -1) {
- if (r == '\r' || r == '\n') return count;
- if (r >= ' ' && r <= '~') {
- *buf++ = r;
- usb_serial_putchar(r);
- count++;
- }
- } else {
- if (!usb_configured() ||
- !(usb_serial_get_control() & USB_SERIAL_DTR)) {
- // user no longer connected
- return 255;
- }
- // just a normal timeout, keep waiting
- }
- }
- return count;
-}
-
-// parse a user command and execute it, or print an error message
-//
-void parse_and_execute_command(const char *buf, uint8_t num)
-{
- uint8_t port, pin, val;
-
- if (num < 3) {
- send_str(PSTR("unrecognized format, 3 chars min req'd\r\n"));
- return;
- }
- // first character is the port letter
- if (buf[0] >= 'A' && buf[0] <= 'F') {
- port = buf[0] - 'A';
- } else if (buf[0] >= 'a' && buf[0] <= 'f') {
- port = buf[0] - 'a';
- } else {
- send_str(PSTR("Unknown port \""));
- usb_serial_putchar(buf[0]);
- send_str(PSTR("\", must be A - F\r\n"));
- return;
- }
- // second character is the pin number
- if (buf[1] >= '0' && buf[1] <= '7') {
- pin = buf[1] - '0';
- } else {
- send_str(PSTR("Unknown pin \""));
- usb_serial_putchar(buf[0]);
- send_str(PSTR("\", must be 0 to 7\r\n"));
- return;
- }
- // if the third character is a question mark, read the pin
- if (buf[2] == '?') {
- // make the pin an input
- *(uint8_t *)(0x21 + port * 3) &= ~(1 << pin);
- // read the pin
- val = *(uint8_t *)(0x20 + port * 3) & (1 << pin);
- usb_serial_putchar(val ? '1' : '0');
- send_str(PSTR("\r\n"));
- return;
- }
- // if the third character is an equals sign, write the pin
- if (num >= 4 && buf[2] == '=') {
- if (buf[3] == '0') {
- // make the pin an output
- *(uint8_t *)(0x21 + port * 3) |= (1 << pin);
- // drive it low
- *(uint8_t *)(0x22 + port * 3) &= ~(1 << pin);
- return;
- } else if (buf[3] == '1') {
- // make the pin an output
- *(uint8_t *)(0x21 + port * 3) |= (1 << pin);
- // drive it high
- *(uint8_t *)(0x22 + port * 3) |= (1 << pin);
- return;
- } else {
- send_str(PSTR("Unknown value \""));
- usb_serial_putchar(buf[3]);
- send_str(PSTR("\", must be 0 or 1\r\n"));
- return;
- }
- }
- // otherwise, error message
- send_str(PSTR("Unknown command \""));
- usb_serial_putchar(buf[0]);
- send_str(PSTR("\", must be ? or =\r\n"));
-}
-
diff --git a/software/cmx589a_teensy_test/tx_benchmark.c b/software/cmx589a_teensy_test/tx_benchmark.c
deleted file mode 100644
index 334947e..0000000
--- a/software/cmx589a_teensy_test/tx_benchmark.c
+++ /dev/null
@@ -1,169 +0,0 @@
-/* USB Serial Transmit Bandwidth Test for Teensy USB Development Board
- * http://www.pjrc.com/teensy/
- * Copyright (c) 2009 PJRC.COM, LLC
- *
- * Permission is hereby granted, free of charge, to any person obtaining a copy
- * of this software and associated documentation files (the "Software"), to deal
- * in the Software without restriction, including without limitation the rights
- * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
- * copies of the Software, and to permit persons to whom the Software is
- * furnished to do so, subject to the following conditions:
- *
- * The above copyright notice and this permission notice shall be included in
- * all copies or substantial portions of the Software.
- *
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
- * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
- * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
- * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
- * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
- * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
- * THE SOFTWARE.
- */
-
-#include <avr/io.h>
-#include <avr/pgmspace.h>
-#include <stdint.h>
-#include <util/delay.h>
-#include "usb_serial.h"
-
-#define LED_CONFIG (DDRD |= (1<<6))
-#define LED_ON (PORTD &= ~(1<<6))
-#define LED_OFF (PORTD |= (1<<6))
-#define CPU_PRESCALE(n) (CLKPR = 0x80, CLKPR = (n))
-
-void send_str(const char *s);
-
-#define CLEAR_TIMER0_OVERFLOW() (TIFR0 |= (1<<TOV0))
-#define IS_TIMER0_OVERFLOW() (TIFR0 & (1<<TOV0))
-
-
-// USB Serial Transmit Bandwidth Test
-//
-// Within 5 seconds of opening the port, this program
-// will send a message as rapidly as possible, for 10 seconds.
-// When finished, turn off text capture (some programs will not
-// write the last data until you do this), delete any extra lines
-// at the beginning, and then the file size divided by 10 is the
-// maximum transmit bandwidth.
-//
-// To use this, run a terminal emulator and select the option
-// to capture all text to a file. On Linux & MacOS, you can use
-// the cat command to read data to a file, such as:
-// cat /dev/cu.usbmodem12341 > /tmp/test.txt
-// The serial_read.exe or serial_list program can read the data
-// without saving it.
-// Results can vary depending on the number of other USB devices
-// connected. For fastest results, disconnect all others.
-
-// Results on Ubuntu 9.04, using: ./serial_listen /dev/ttyACM0
-// Teensy++: 11565234 in 10 seconds
-// Teensy: 9610184 in 10 seconds
-
-// Results on Mac OS X 10.5.7, using: ./serial_listen /dev/cu.usbmodem12341
-// Teensy++: 9013787 in 10 seconds
-// Teensy: 6386395 in 10 seconds
-
-// Results on Windows XP SP3, using: serial_read.exe COM3:
-// Teensy++: 10220367 in 10 seconds
-// Teensy: 8196387 in 10 seconds
-
-// Results on Windows Vista SP1, using: serial_read.exe COM3:
-// Teensy++: 10234275 in 10 seconds
-// Teensy: 8196204 in 10 seconds
-
-// Results on Windows 7 (beta 7100), using: serial_read.exe COM3:
-// Teensy++: 10274718 in 10 seconds
-// Teensy: 8225423 in 10 seconds
-
-// All 5 of these were tested on a Macbook with Intel dual core 2.4 Ghz,
-// external USB mouse + built-in USB peripherals
-
-
-int main(void)
-{
- uint8_t n;
- uint16_t count;
- const char test_string[] = {
- "USB Fast Serial Transmit Bandwidth Test, capture this text.\r\n"};
-
- // set for 16 MHz clock, and turn on the LED
- CPU_PRESCALE(0);
- LED_CONFIG;
- LED_OFF;
- DDRC |= (1<<2); // Pin C2 to show % cpu usage
-
- // configure timer0 to overflow every 4 ms, prescale=256, top=250
- // 250 * 256 / 16 MHz = 4 ms
- TIMSK0 = 0;
- TCCR0A = (1<<WGM01)|(1<<WGM00);
- OCR0A = 250;
- TCCR0B = (1<<WGM02)|(1<<CS02);
-
- // initialize the USB, and then wait for the host
- // to set configuration. If the Teensy is powered
- // without a PC connected to the USB port, this
- // will wait forever.
- usb_init();
- while (!usb_configured()) /* wait */ ;
- _delay_ms(1000);
-
- while (1) {
- // wait for the user to run their terminal emulator program
- // which sets DTR to indicate it is ready to receive.
- while (!(usb_serial_get_control() & USB_SERIAL_DTR)) /* wait */ ;
-
- // Turn the LED on while sending data
- LED_ON;
-
- // give the user 5 seconds to enable text capture in their
- // terminal emulator, or do whatever to get ready
- for (n=5; n; n--) {
- send_str(PSTR("10 second speed test begins in "));
- usb_serial_putchar(n + '0');
- send_str(PSTR(" sec.\r\n"));
- if (!(usb_serial_get_control() & USB_SERIAL_DTR)) break;
- _delay_ms(1000);
- }
-
- // wait for a 4 ms timer0 period to begin
- CLEAR_TIMER0_OVERFLOW();
- while (!IS_TIMER0_OVERFLOW()) /* wait */ ;
- CLEAR_TIMER0_OVERFLOW();
- count=0;
-
- // send a string as fast as possible, for 10 seconds
- while (1) {
- usb_serial_write(test_string, (uint16_t)(sizeof(test_string)-1));
- if (IS_TIMER0_OVERFLOW()) {
- CLEAR_TIMER0_OVERFLOW();
- count++;
- if (count == 2500) break; // 10 sec
- if (!(usb_serial_get_control() & USB_SERIAL_DTR)) break;
- }
- }
- PORTC &= ~(1<<2);
- send_str(PSTR("done!\r\n"));
- LED_OFF;
-
- // after the test, wait forever doing nothing,
- // well, at least until the terminal emulator quits
- // or drops DTR for some reason.
- while (usb_serial_get_control() & USB_SERIAL_DTR) /* wait */ ;
- }
-}
-
-// Send a string to the USB serial port. The string must be in
-// flash memory, using PSTR
-//
-void send_str(const char *s)
-{
- char c;
- while (1) {
- c = pgm_read_byte(s++);
- if (!c) break;
- usb_serial_putchar(c);
- }
-}
-
-
diff --git a/software/cmx589a_teensy_test/uart.c b/software/cmx589a_teensy_test/uart.c
deleted file mode 100644
index 94afe7e..0000000
--- a/software/cmx589a_teensy_test/uart.c
+++ /dev/null
@@ -1,134 +0,0 @@
-/* UART Example for Teensy USB Development Board
- * http://www.pjrc.com/teensy/
- * Copyright (c) 2009 PJRC.COM, LLC
- *
- * Permission is hereby granted, free of charge, to any person obtaining a copy
- * of this software and associated documentation files (the "Software"), to deal
- * in the Software without restriction, including without limitation the rights
- * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
- * copies of the Software, and to permit persons to whom the Software is
- * furnished to do so, subject to the following conditions:
- *
- * The above copyright notice and this permission notice shall be included in
- * all copies or substantial portions of the Software.
- *
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
- * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
- * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
- * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
- * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
- * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
- * THE SOFTWARE.
- */
-
-// Version 1.0: Initial Release
-// Version 1.1: Add support for Teensy 2.0, minor optimizations
-
-
-#include <avr/io.h>
-#include <avr/interrupt.h>
-
-#include "uart.h"
-
-// These buffers may be any size from 2 to 256 bytes.
-#define RX_BUFFER_SIZE 64
-#define TX_BUFFER_SIZE 40
-
-static volatile uint8_t tx_buffer[TX_BUFFER_SIZE];
-static volatile uint8_t tx_buffer_head;
-static volatile uint8_t tx_buffer_tail;
-static volatile uint8_t rx_buffer[RX_BUFFER_SIZE];
-static volatile uint8_t rx_buffer_head;
-static volatile uint8_t rx_buffer_tail;
-
-// Initialize the UART
-void uart_init(uint32_t baud)
-{
- cli();
- UBRR1 = (F_CPU / 4 / baud - 1) / 2;
- UCSR1A = (1<<U2X1);
- UCSR1B = (1<<RXEN1) | (1<<TXEN1) | (1<<RXCIE1);
- //UCSR1C = (1<<UCSZ11) | (1<<UCSZ10);
- tx_buffer_head = tx_buffer_tail = 0;
- rx_buffer_head = rx_buffer_tail = 0;
-
- UCSR1C = 0;
- UCSR1C |= (1 << UMSEL10) | (1 << UCSZ10) | (1 << UCSZ11);
- //use external clk by settting PD5 aka XCK1 to Input
- DDRD |= 1<<5;
-
-
- sei();
-}
-
-// Transmit a byte
-void uart_putchar(uint8_t c)
-{
- uint8_t i;
-
- i = tx_buffer_head + 1;
- if (i >= TX_BUFFER_SIZE) i = 0;
- while (tx_buffer_tail == i) ; // wait until space in buffer
- //cli();
- tx_buffer[i] = c;
- tx_buffer_head = i;
- UCSR1B = (1<<RXEN1) | (1<<TXEN1) | (1<<RXCIE1) | (1<<UDRIE1);
- //sei();
-}
-
-// Receive a byte
-uint8_t uart_getchar(void)
-{
- uint8_t c, i;
-
- while (rx_buffer_head == rx_buffer_tail) ; // wait for character
- i = rx_buffer_tail + 1;
- if (i >= RX_BUFFER_SIZE) i = 0;
- c = rx_buffer[i];
- rx_buffer_tail = i;
- return c;
-}
-
-// Return the number of bytes waiting in the receive buffer.
-// Call this before uart_getchar() to check if it will need
-// to wait for a byte to arrive.
-uint8_t uart_available(void)
-{
- uint8_t head, tail;
-
- head = rx_buffer_head;
- tail = rx_buffer_tail;
- if (head >= tail) return head - tail;
- return RX_BUFFER_SIZE + head - tail;
-}
-
-// Transmit Interrupt
-ISR(USART1_UDRE_vect)
-{
- uint8_t i;
-
- if (tx_buffer_head == tx_buffer_tail) {
- // buffer is empty, disable transmit interrupt
- UCSR1B = (1<<RXEN1) | (1<<TXEN1) | (1<<RXCIE1);
- } else {
- i = tx_buffer_tail + 1;
- if (i >= TX_BUFFER_SIZE) i = 0;
- UDR1 = tx_buffer[i];
- tx_buffer_tail = i;
- }
-}
-
-// Receive Interrupt
-ISR(USART1_RX_vect)
-{
- uint8_t c, i;
-
- c = UDR1;
- i = rx_buffer_head + 1;
- if (i >= RX_BUFFER_SIZE) i = 0;
- if (i != rx_buffer_tail) {
- rx_buffer[i] = c;
- rx_buffer_head = i;
- }
-}
-
diff --git a/software/cmx589a_teensy_test/uart.h b/software/cmx589a_teensy_test/uart.h
deleted file mode 100644
index 41136a3..0000000
--- a/software/cmx589a_teensy_test/uart.h
+++ /dev/null
@@ -1,11 +0,0 @@
-#ifndef _uart_included_h_
-#define _uart_included_h_
-
-#include <stdint.h>
-
-void uart_init(uint32_t baud);
-void uart_putchar(uint8_t c);
-uint8_t uart_getchar(void);
-uint8_t uart_available(void);
-
-#endif
diff --git a/software/cmx589a_teensy_test/usb_serial.c b/software/cmx589a_teensy_test/usb_serial.c
deleted file mode 100644
index 821d80a..0000000
--- a/software/cmx589a_teensy_test/usb_serial.c
+++ /dev/null
@@ -1,936 +0,0 @@
-/* USB Serial Example for Teensy USB Development Board
- * http://www.pjrc.com/teensy/usb_serial.html
- * Copyright (c) 2008,2010,2011 PJRC.COM, LLC
- *
- * Permission is hereby granted, free of charge, to any person obtaining a copy
- * of this software and associated documentation files (the "Software"), to deal
- * in the Software without restriction, including without limitation the rights
- * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
- * copies of the Software, and to permit persons to whom the Software is
- * furnished to do so, subject to the following conditions:
- *
- * The above copyright notice and this permission notice shall be included in
- * all copies or substantial portions of the Software.
- *
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
- * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
- * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
- * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
- * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
- * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
- * THE SOFTWARE.
- */
-
-// Version 1.0: Initial Release
-// Version 1.1: support Teensy++
-// Version 1.2: fixed usb_serial_available
-// Version 1.3: added transmit bandwidth test
-// Version 1.4: added usb_serial_write
-// Version 1.5: add support for Teensy 2.0
-// Version 1.6: fix zero length packet bug
-// Version 1.7: fix usb_serial_set_control
-
-#define USB_SERIAL_PRIVATE_INCLUDE
-#include "usb_serial.h"
-
-
-/**************************************************************************
- *
- * Configurable Options
- *
- **************************************************************************/
-
-// You can change these to give your code its own name. On Windows,
-// these are only used before an INF file (driver install) is loaded.
-#define STR_MANUFACTURER L"Your Name"
-#define STR_PRODUCT L"USB Serial"
-
-// All USB serial devices are supposed to have a serial number
-// (according to Microsoft). On windows, a new COM port is created
-// for every unique serial/vendor/product number combination. If
-// you program 2 identical boards with 2 different serial numbers
-// and they are assigned COM7 and COM8, each will always get the
-// same COM port number because Windows remembers serial numbers.
-//
-// On Mac OS-X, a device file is created automatically which
-// incorperates the serial number, eg, /dev/cu-usbmodem12341
-//
-// Linux by default ignores the serial number, and creates device
-// files named /dev/ttyACM0, /dev/ttyACM1... in the order connected.
-// Udev rules (in /etc/udev/rules.d) can define persistent device
-// names linked to this serial number, as well as permissions, owner
-// and group settings.
-#define STR_SERIAL_NUMBER L"12345"
-
-// Mac OS-X and Linux automatically load the correct drivers. On
-// Windows, even though the driver is supplied by Microsoft, an
-// INF file is needed to load the driver. These numbers need to
-// match the INF file.
-#define VENDOR_ID 0x16C0
-#define PRODUCT_ID 0x047A
-
-// When you write data, it goes into a USB endpoint buffer, which
-// is transmitted to the PC when it becomes full, or after a timeout
-// with no more writes. Even if you write in exactly packet-size
-// increments, this timeout is used to send a "zero length packet"
-// that tells the PC no more data is expected and it should pass
-// any buffered data to the application that may be waiting. If
-// you want data sent immediately, call usb_serial_flush_output().
-#define TRANSMIT_FLUSH_TIMEOUT 5 /* in milliseconds */
-
-// If the PC is connected but not "listening", this is the length
-// of time before usb_serial_getchar() returns with an error. This
-// is roughly equivilant to a real UART simply transmitting the
-// bits on a wire where nobody is listening, except you get an error
-// code which you can ignore for serial-like discard of data, or
-// use to know your data wasn't sent.
-#define TRANSMIT_TIMEOUT 25 /* in milliseconds */
-
-// USB devices are supposed to implment a halt feature, which is
-// rarely (if ever) used. If you comment this line out, the halt
-// code will be removed, saving 116 bytes of space (gcc 4.3.0).
-// This is not strictly USB compliant, but works with all major
-// operating systems.
-#define SUPPORT_ENDPOINT_HALT
-
-
-
-/**************************************************************************
- *
- * Endpoint Buffer Configuration
- *
- **************************************************************************/
-
-// These buffer sizes are best for most applications, but perhaps if you
-// want more buffering on some endpoint at the expense of others, this
-// is where you can make such changes. The AT90USB162 has only 176 bytes
-// of DPRAM (USB buffers) and only endpoints 3 & 4 can double buffer.
-
-#define ENDPOINT0_SIZE 16
-#define CDC_ACM_ENDPOINT 2
-#define CDC_RX_ENDPOINT 3
-#define CDC_TX_ENDPOINT 4
-#if defined(__AVR_AT90USB162__)
-#define CDC_ACM_SIZE 16
-#define CDC_ACM_BUFFER EP_SINGLE_BUFFER
-#define CDC_RX_SIZE 32
-#define CDC_RX_BUFFER EP_DOUBLE_BUFFER
-#define CDC_TX_SIZE 32
-#define CDC_TX_BUFFER EP_DOUBLE_BUFFER
-#else
-#define CDC_ACM_SIZE 16
-#define CDC_ACM_BUFFER EP_SINGLE_BUFFER
-#define CDC_RX_SIZE 64
-#define CDC_RX_BUFFER EP_DOUBLE_BUFFER
-#define CDC_TX_SIZE 64
-#define CDC_TX_BUFFER EP_DOUBLE_BUFFER
-#endif
-
-static const uint8_t PROGMEM endpoint_config_table[] = {
- 0,
- 1, EP_TYPE_INTERRUPT_IN, EP_SIZE(CDC_ACM_SIZE) | CDC_ACM_BUFFER,
- 1, EP_TYPE_BULK_OUT, EP_SIZE(CDC_RX_SIZE) | CDC_RX_BUFFER,
- 1, EP_TYPE_BULK_IN, EP_SIZE(CDC_TX_SIZE) | CDC_TX_BUFFER
-};
-
-
-/**************************************************************************
- *
- * Descriptor Data
- *
- **************************************************************************/
-
-// Descriptors are the data that your computer reads when it auto-detects
-// this USB device (called "enumeration" in USB lingo). The most commonly
-// changed items are editable at the top of this file. Changing things
-// in here should only be done by those who've read chapter 9 of the USB
-// spec and relevant portions of any USB class specifications!
-
-static uint8_t PROGMEM device_descriptor[] = {
- 18, // bLength
- 1, // bDescriptorType
- 0x00, 0x02, // bcdUSB
- 2, // bDeviceClass
- 0, // bDeviceSubClass
- 0, // bDeviceProtocol
- ENDPOINT0_SIZE, // bMaxPacketSize0
- LSB(VENDOR_ID), MSB(VENDOR_ID), // idVendor
- LSB(PRODUCT_ID), MSB(PRODUCT_ID), // idProduct
- 0x00, 0x01, // bcdDevice
- 1, // iManufacturer
- 2, // iProduct
- 3, // iSerialNumber
- 1 // bNumConfigurations
-};
-
-#define CONFIG1_DESC_SIZE (9+9+5+5+4+5+7+9+7+7)
-static uint8_t PROGMEM config1_descriptor[CONFIG1_DESC_SIZE] = {
- // configuration descriptor, USB spec 9.6.3, page 264-266, Table 9-10
- 9, // bLength;
- 2, // bDescriptorType;
- LSB(CONFIG1_DESC_SIZE), // wTotalLength
- MSB(CONFIG1_DESC_SIZE),
- 2, // bNumInterfaces
- 1, // bConfigurationValue
- 0, // iConfiguration
- 0xC0, // bmAttributes
- 50, // bMaxPower
- // interface descriptor, USB spec 9.6.5, page 267-269, Table 9-12
- 9, // bLength
- 4, // bDescriptorType
- 0, // bInterfaceNumber
- 0, // bAlternateSetting
- 1, // bNumEndpoints
- 0x02, // bInterfaceClass
- 0x02, // bInterfaceSubClass
- 0x01, // bInterfaceProtocol
- 0, // iInterface
- // CDC Header Functional Descriptor, CDC Spec 5.2.3.1, Table 26
- 5, // bFunctionLength
- 0x24, // bDescriptorType
- 0x00, // bDescriptorSubtype
- 0x10, 0x01, // bcdCDC
- // Call Management Functional Descriptor, CDC Spec 5.2.3.2, Table 27
- 5, // bFunctionLength
- 0x24, // bDescriptorType
- 0x01, // bDescriptorSubtype
- 0x01, // bmCapabilities
- 1, // bDataInterface
- // Abstract Control Management Functional Descriptor, CDC Spec 5.2.3.3, Table 28
- 4, // bFunctionLength
- 0x24, // bDescriptorType
- 0x02, // bDescriptorSubtype
- 0x06, // bmCapabilities
- // Union Functional Descriptor, CDC Spec 5.2.3.8, Table 33
- 5, // bFunctionLength
- 0x24, // bDescriptorType
- 0x06, // bDescriptorSubtype
- 0, // bMasterInterface
- 1, // bSlaveInterface0
- // endpoint descriptor, USB spec 9.6.6, page 269-271, Table 9-13
- 7, // bLength
- 5, // bDescriptorType
- CDC_ACM_ENDPOINT | 0x80, // bEndpointAddress
- 0x03, // bmAttributes (0x03=intr)
- CDC_ACM_SIZE, 0, // wMaxPacketSize
- 64, // bInterval
- // interface descriptor, USB spec 9.6.5, page 267-269, Table 9-12
- 9, // bLength
- 4, // bDescriptorType
- 1, // bInterfaceNumber
- 0, // bAlternateSetting
- 2, // bNumEndpoints
- 0x0A, // bInterfaceClass
- 0x00, // bInterfaceSubClass
- 0x00, // bInterfaceProtocol
- 0, // iInterface
- // endpoint descriptor, USB spec 9.6.6, page 269-271, Table 9-13
- 7, // bLength
- 5, // bDescriptorType
- CDC_RX_ENDPOINT, // bEndpointAddress
- 0x02, // bmAttributes (0x02=bulk)
- CDC_RX_SIZE, 0, // wMaxPacketSize
- 0, // bInterval
- // endpoint descriptor, USB spec 9.6.6, page 269-271, Table 9-13
- 7, // bLength
- 5, // bDescriptorType
- CDC_TX_ENDPOINT | 0x80, // bEndpointAddress
- 0x02, // bmAttributes (0x02=bulk)
- CDC_TX_SIZE, 0, // wMaxPacketSize
- 0 // bInterval
-};
-
-// If you're desperate for a little extra code memory, these strings
-// can be completely removed if iManufacturer, iProduct, iSerialNumber
-// in the device desciptor are changed to zeros.
-struct usb_string_descriptor_struct {
- uint8_t bLength;
- uint8_t bDescriptorType;
- int16_t wString[];
-};
-static struct usb_string_descriptor_struct PROGMEM string0 = {
- 4,
- 3,
- {0x0409}
-};
-static struct usb_string_descriptor_struct PROGMEM string1 = {
- sizeof(STR_MANUFACTURER),
- 3,
- STR_MANUFACTURER
-};
-static struct usb_string_descriptor_struct PROGMEM string2 = {
- sizeof(STR_PRODUCT),
- 3,
- STR_PRODUCT
-};
-static struct usb_string_descriptor_struct PROGMEM string3 = {
- sizeof(STR_SERIAL_NUMBER),
- 3,
- STR_SERIAL_NUMBER
-};
-
-// This table defines which descriptor data is sent for each specific
-// request from the host (in wValue and wIndex).
-static struct descriptor_list_struct {
- uint16_t wValue;
- uint16_t wIndex;
- const uint8_t *addr;
- uint8_t length;
-} PROGMEM descriptor_list[] = {
- {0x0100, 0x0000, device_descriptor, sizeof(device_descriptor)},
- {0x0200, 0x0000, config1_descriptor, sizeof(config1_descriptor)},
- {0x0300, 0x0000, (const uint8_t *)&string0, 4},
- {0x0301, 0x0409, (const uint8_t *)&string1, sizeof(STR_MANUFACTURER)},
- {0x0302, 0x0409, (const uint8_t *)&string2, sizeof(STR_PRODUCT)},
- {0x0303, 0x0409, (const uint8_t *)&string3, sizeof(STR_SERIAL_NUMBER)}
-};
-#define NUM_DESC_LIST (sizeof(descriptor_list)/sizeof(struct descriptor_list_struct))
-
-
-/**************************************************************************
- *
- * Variables - these are the only non-stack RAM usage
- *
- **************************************************************************/
-
-// zero when we are not configured, non-zero when enumerated
-static volatile uint8_t usb_configuration=0;
-
-// the time remaining before we transmit any partially full
-// packet, or send a zero length packet.
-static volatile uint8_t transmit_flush_timer=0;
-static uint8_t transmit_previous_timeout=0;
-
-// serial port settings (baud rate, control signals, etc) set
-// by the PC. These are ignored, but kept in RAM.
-static uint8_t cdc_line_coding[7]={0x00, 0xE1, 0x00, 0x00, 0x00, 0x00, 0x08};
-static uint8_t cdc_line_rtsdtr=0;
-
-
-/**************************************************************************
- *
- * Public Functions - these are the API intended for the user
- *
- **************************************************************************/
-
-// initialize USB serial
-void usb_init(void)
-{
- HW_CONFIG();
- USB_FREEZE(); // enable USB
- PLL_CONFIG(); // config PLL, 16 MHz xtal
- while (!(PLLCSR & (1<<PLOCK))) ; // wait for PLL lock
- USB_CONFIG(); // start USB clock
- UDCON = 0; // enable attach resistor
- usb_configuration = 0;
- cdc_line_rtsdtr = 0;
- UDIEN = (1<<EORSTE)|(1<<SOFE);
- sei();
-}
-
-// return 0 if the USB is not configured, or the configuration
-// number selected by the HOST
-uint8_t usb_configured(void)
-{
- return usb_configuration;
-}
-
-// get the next character, or -1 if nothing received
-int16_t usb_serial_getchar(void)
-{
- uint8_t c, intr_state;
-
- // interrupts are disabled so these functions can be
- // used from the main program or interrupt context,
- // even both in the same program!
- intr_state = SREG;
- cli();
- if (!usb_configuration) {
- SREG = intr_state;
- return -1;
- }
- UENUM = CDC_RX_ENDPOINT;
- retry:
- c = UEINTX;
- if (!(c & (1<<RWAL))) {
- // no data in buffer
- if (c & (1<<RXOUTI)) {
- UEINTX = 0x6B;
- goto retry;
- }
- SREG = intr_state;
- return -1;
- }
- // take one byte out of the buffer
- c = UEDATX;
- // if buffer completely used, release it
- if (!(UEINTX & (1<<RWAL))) UEINTX = 0x6B;
- SREG = intr_state;
- return c;
-}
-
-// number of bytes available in the receive buffer
-uint8_t usb_serial_available(void)
-{
- uint8_t n=0, i, intr_state;
-
- intr_state = SREG;
- cli();
- if (usb_configuration) {
- UENUM = CDC_RX_ENDPOINT;
- n = UEBCLX;
- if (!n) {
- i = UEINTX;
- if (i & (1<<RXOUTI) && !(i & (1<<RWAL))) UEINTX = 0x6B;
- }
- }
- SREG = intr_state;
- return n;
-}
-
-// discard any buffered input
-void usb_serial_flush_input(void)
-{
- uint8_t intr_state;
-
- if (usb_configuration) {
- intr_state = SREG;
- cli();
- UENUM = CDC_RX_ENDPOINT;
- while ((UEINTX & (1<<RWAL))) {
- UEINTX = 0x6B;
- }
- SREG = intr_state;
- }
-}
-
-// transmit a character. 0 returned on success, -1 on error
-int8_t usb_serial_putchar(uint8_t c)
-{
- uint8_t timeout, intr_state;
-
- // if we're not online (enumerated and configured), error
- if (!usb_configuration) return -1;
- // interrupts are disabled so these functions can be
- // used from the main program or interrupt context,
- // even both in the same program!
- intr_state = SREG;
- cli();
- UENUM = CDC_TX_ENDPOINT;
- // if we gave up due to timeout before, don't wait again
- if (transmit_previous_timeout) {
- if (!(UEINTX & (1<<RWAL))) {
- SREG = intr_state;
- return -1;
- }
- transmit_previous_timeout = 0;
- }
- // wait for the FIFO to be ready to accept data
- timeout = UDFNUML + TRANSMIT_TIMEOUT;
- while (1) {
- // are we ready to transmit?
- if (UEINTX & (1<<RWAL)) break;
- SREG = intr_state;
- // have we waited too long? This happens if the user
- // is not running an application that is listening
- if (UDFNUML == timeout) {
- transmit_previous_timeout = 1;
- return -1;
- }
- // has the USB gone offline?
- if (!usb_configuration) return -1;
- // get ready to try checking again
- intr_state = SREG;
- cli();
- UENUM = CDC_TX_ENDPOINT;
- }
- // actually write the byte into the FIFO
- UEDATX = c;
- // if this completed a packet, transmit it now!
- if (!(UEINTX & (1<<RWAL))) UEINTX = 0x3A;
- transmit_flush_timer = TRANSMIT_FLUSH_TIMEOUT;
- SREG = intr_state;
- return 0;
-}
-
-
-// transmit a character, but do not wait if the buffer is full,
-// 0 returned on success, -1 on buffer full or error
-int8_t usb_serial_putchar_nowait(uint8_t c)
-{
- uint8_t intr_state;
-
- if (!usb_configuration) return -1;
- intr_state = SREG;
- cli();
- UENUM = CDC_TX_ENDPOINT;
- if (!(UEINTX & (1<<RWAL))) {
- // buffer is full
- SREG = intr_state;
- return -1;
- }
- // actually write the byte into the FIFO
- UEDATX = c;
- // if this completed a packet, transmit it now!
- if (!(UEINTX & (1<<RWAL))) UEINTX = 0x3A;
- transmit_flush_timer = TRANSMIT_FLUSH_TIMEOUT;
- SREG = intr_state;
- return 0;
-}
-
-// transmit a buffer.
-// 0 returned on success, -1 on error
-// This function is optimized for speed! Each call takes approx 6.1 us overhead
-// plus 0.25 us per byte. 12 Mbit/sec USB has 8.67 us per-packet overhead and
-// takes 0.67 us per byte. If called with 64 byte packet-size blocks, this function
-// can transmit at full USB speed using 43% CPU time. The maximum theoretical speed
-// is 19 packets per USB frame, or 1216 kbytes/sec. However, bulk endpoints have the
-// lowest priority, so any other USB devices will likely reduce the speed. Speed
-// can also be limited by how quickly the PC-based software reads data, as the host
-// controller in the PC will not allocate bandwitdh without a pending read request.
-// (thanks to Victor Suarez for testing and feedback and initial code)
-
-int8_t usb_serial_write(const uint8_t *buffer, uint16_t size)
-{
- uint8_t timeout, intr_state, write_size;
-
- // if we're not online (enumerated and configured), error
- if (!usb_configuration) return -1;
- // interrupts are disabled so these functions can be
- // used from the main program or interrupt context,
- // even both in the same program!
- intr_state = SREG;
- cli();
- UENUM = CDC_TX_ENDPOINT;
- // if we gave up due to timeout before, don't wait again
- if (transmit_previous_timeout) {
- if (!(UEINTX & (1<<RWAL))) {
- SREG = intr_state;
- return -1;
- }
- transmit_previous_timeout = 0;
- }
- // each iteration of this loop transmits a packet
- while (size) {
- // wait for the FIFO to be ready to accept data
- timeout = UDFNUML + TRANSMIT_TIMEOUT;
- while (1) {
- // are we ready to transmit?
- if (UEINTX & (1<<RWAL)) break;
- SREG = intr_state;
- // have we waited too long? This happens if the user
- // is not running an application that is listening
- if (UDFNUML == timeout) {
- transmit_previous_timeout = 1;
- return -1;
- }
- // has the USB gone offline?
- if (!usb_configuration) return -1;
- // get ready to try checking again
- intr_state = SREG;
- cli();
- UENUM = CDC_TX_ENDPOINT;
- }
-
- // compute how many bytes will fit into the next packet
- write_size = CDC_TX_SIZE - UEBCLX;
- if (write_size > size) write_size = size;
- size -= write_size;
-
- // write the packet
- switch (write_size) {
- #if (CDC_TX_SIZE == 64)
- case 64: UEDATX = *buffer++;
- case 63: UEDATX = *buffer++;
- case 62: UEDATX = *buffer++;
- case 61: UEDATX = *buffer++;
- case 60: UEDATX = *buffer++;
- case 59: UEDATX = *buffer++;
- case 58: UEDATX = *buffer++;
- case 57: UEDATX = *buffer++;
- case 56: UEDATX = *buffer++;
- case 55: UEDATX = *buffer++;
- case 54: UEDATX = *buffer++;
- case 53: UEDATX = *buffer++;
- case 52: UEDATX = *buffer++;
- case 51: UEDATX = *buffer++;
- case 50: UEDATX = *buffer++;
- case 49: UEDATX = *buffer++;
- case 48: UEDATX = *buffer++;
- case 47: UEDATX = *buffer++;
- case 46: UEDATX = *buffer++;
- case 45: UEDATX = *buffer++;
- case 44: UEDATX = *buffer++;
- case 43: UEDATX = *buffer++;
- case 42: UEDATX = *buffer++;
- case 41: UEDATX = *buffer++;
- case 40: UEDATX = *buffer++;
- case 39: UEDATX = *buffer++;
- case 38: UEDATX = *buffer++;
- case 37: UEDATX = *buffer++;
- case 36: UEDATX = *buffer++;
- case 35: UEDATX = *buffer++;
- case 34: UEDATX = *buffer++;
- case 33: UEDATX = *buffer++;
- #endif
- #if (CDC_TX_SIZE >= 32)
- case 32: UEDATX = *buffer++;
- case 31: UEDATX = *buffer++;
- case 30: UEDATX = *buffer++;
- case 29: UEDATX = *buffer++;
- case 28: UEDATX = *buffer++;
- case 27: UEDATX = *buffer++;
- case 26: UEDATX = *buffer++;
- case 25: UEDATX = *buffer++;
- case 24: UEDATX = *buffer++;
- case 23: UEDATX = *buffer++;
- case 22: UEDATX = *buffer++;
- case 21: UEDATX = *buffer++;
- case 20: UEDATX = *buffer++;
- case 19: UEDATX = *buffer++;
- case 18: UEDATX = *buffer++;
- case 17: UEDATX = *buffer++;
- #endif
- #if (CDC_TX_SIZE >= 16)
- case 16: UEDATX = *buffer++;
- case 15: UEDATX = *buffer++;
- case 14: UEDATX = *buffer++;
- case 13: UEDATX = *buffer++;
- case 12: UEDATX = *buffer++;
- case 11: UEDATX = *buffer++;
- case 10: UEDATX = *buffer++;
- case 9: UEDATX = *buffer++;
- #endif
- case 8: UEDATX = *buffer++;
- case 7: UEDATX = *buffer++;
- case 6: UEDATX = *buffer++;
- case 5: UEDATX = *buffer++;
- case 4: UEDATX = *buffer++;
- case 3: UEDATX = *buffer++;
- case 2: UEDATX = *buffer++;
- default:
- case 1: UEDATX = *buffer++;
- case 0: break;
- }
- // if this completed a packet, transmit it now!
- if (!(UEINTX & (1<<RWAL))) UEINTX = 0x3A;
- transmit_flush_timer = TRANSMIT_FLUSH_TIMEOUT;
- SREG = intr_state;
- }
- return 0;
-}
-
-
-// immediately transmit any buffered output.
-// This doesn't actually transmit the data - that is impossible!
-// USB devices only transmit when the host allows, so the best
-// we can do is release the FIFO buffer for when the host wants it
-void usb_serial_flush_output(void)
-{
- uint8_t intr_state;
-
- intr_state = SREG;
- cli();
- if (transmit_flush_timer) {
- UENUM = CDC_TX_ENDPOINT;
- UEINTX = 0x3A;
- transmit_flush_timer = 0;
- }
- SREG = intr_state;
-}
-
-// functions to read the various async serial settings. These
-// aren't actually used by USB at all (communication is always
-// at full USB speed), but they are set by the host so we can
-// set them properly if we're converting the USB to a real serial
-// communication
-uint32_t usb_serial_get_baud(void)
-{
- return *(uint32_t *)cdc_line_coding;
-}
-uint8_t usb_serial_get_stopbits(void)
-{
- return cdc_line_coding[4];
-}
-uint8_t usb_serial_get_paritytype(void)
-{
- return cdc_line_coding[5];
-}
-uint8_t usb_serial_get_numbits(void)
-{
- return cdc_line_coding[6];
-}
-uint8_t usb_serial_get_control(void)
-{
- return cdc_line_rtsdtr;
-}
-// write the control signals, DCD, DSR, RI, etc
-// There is no CTS signal. If software on the host has transmitted
-// data to you but you haven't been calling the getchar function,
-// it remains buffered (either here or on the host) and can not be
-// lost because you weren't listening at the right time, like it
-// would in real serial communication.
-int8_t usb_serial_set_control(uint8_t signals)
-{
- uint8_t intr_state;
-
- intr_state = SREG;
- cli();
- if (!usb_configuration) {
- // we're not enumerated/configured
- SREG = intr_state;
- return -1;
- }
-
- UENUM = CDC_ACM_ENDPOINT;
- if (!(UEINTX & (1<<RWAL))) {
- // unable to write
- // TODO; should this try to abort the previously
- // buffered message??
- SREG = intr_state;
- return -1;
- }
- UEDATX = 0xA1;
- UEDATX = 0x20;
- UEDATX = 0;
- UEDATX = 0;
- UEDATX = 0; // 0 seems to work nicely. what if this is 1??
- UEDATX = 0;
- UEDATX = 1;
- UEDATX = 0;
- UEDATX = signals;
- UEINTX = 0x3A;
- SREG = intr_state;
- return 0;
-}
-
-
-
-/**************************************************************************
- *
- * Private Functions - not intended for general user consumption....
- *
- **************************************************************************/
-
-
-// USB Device Interrupt - handle all device-level events
-// the transmit buffer flushing is triggered by the start of frame
-//
-ISR(USB_GEN_vect)
-{
- uint8_t intbits, t;
-
- intbits = UDINT;
- UDINT = 0;
- if (intbits & (1<<EORSTI)) {
- UENUM = 0;
- UECONX = 1;
- UECFG0X = EP_TYPE_CONTROL;
- UECFG1X = EP_SIZE(ENDPOINT0_SIZE) | EP_SINGLE_BUFFER;
- UEIENX = (1<<RXSTPE);
- usb_configuration = 0;
- cdc_line_rtsdtr = 0;
- }
- if (intbits & (1<<SOFI)) {
- if (usb_configuration) {
- t = transmit_flush_timer;
- if (t) {
- transmit_flush_timer = --t;
- if (!t) {
- UENUM = CDC_TX_ENDPOINT;
- UEINTX = 0x3A;
- }
- }
- }
- }
-}
-
-
-// Misc functions to wait for ready and send/receive packets
-static inline void usb_wait_in_ready(void)
-{
- while (!(UEINTX & (1<<TXINI))) ;
-}
-static inline void usb_send_in(void)
-{
- UEINTX = ~(1<<TXINI);
-}
-static inline void usb_wait_receive_out(void)
-{
- while (!(UEINTX & (1<<RXOUTI))) ;
-}
-static inline void usb_ack_out(void)
-{
- UEINTX = ~(1<<RXOUTI);
-}
-
-
-
-// USB Endpoint Interrupt - endpoint 0 is handled here. The
-// other endpoints are manipulated by the user-callable
-// functions, and the start-of-frame interrupt.
-//
-ISR(USB_COM_vect)
-{
- uint8_t intbits;
- const uint8_t *list;
- const uint8_t *cfg;
- uint8_t i, n, len, en;
- uint8_t *p;
- uint8_t bmRequestType;
- uint8_t bRequest;
- uint16_t wValue;
- uint16_t wIndex;
- uint16_t wLength;
- uint16_t desc_val;
- const uint8_t *desc_addr;
- uint8_t desc_length;
-
- UENUM = 0;
- intbits = UEINTX;
- if (intbits & (1<<RXSTPI)) {
- bmRequestType = UEDATX;
- bRequest = UEDATX;
- wValue = UEDATX;
- wValue |= (UEDATX << 8);
- wIndex = UEDATX;
- wIndex |= (UEDATX << 8);
- wLength = UEDATX;
- wLength |= (UEDATX << 8);
- UEINTX = ~((1<<RXSTPI) | (1<<RXOUTI) | (1<<TXINI));
- if (bRequest == GET_DESCRIPTOR) {
- list = (const uint8_t *)descriptor_list;
- for (i=0; ; i++) {
- if (i >= NUM_DESC_LIST) {
- UECONX = (1<<STALLRQ)|(1<<EPEN); //stall
- return;
- }
- desc_val = pgm_read_word(list);
- if (desc_val != wValue) {
- list += sizeof(struct descriptor_list_struct);
- continue;
- }
- list += 2;
- desc_val = pgm_read_word(list);
- if (desc_val != wIndex) {
- list += sizeof(struct descriptor_list_struct)-2;
- continue;
- }
- list += 2;
- desc_addr = (const uint8_t *)pgm_read_word(list);
- list += 2;
- desc_length = pgm_read_byte(list);
- break;
- }
- len = (wLength < 256) ? wLength : 255;
- if (len > desc_length) len = desc_length;
- do {
- // wait for host ready for IN packet
- do {
- i = UEINTX;
- } while (!(i & ((1<<TXINI)|(1<<RXOUTI))));
- if (i & (1<<RXOUTI)) return; // abort
- // send IN packet
- n = len < ENDPOINT0_SIZE ? len : ENDPOINT0_SIZE;
- for (i = n; i; i--) {
- UEDATX = pgm_read_byte(desc_addr++);
- }
- len -= n;
- usb_send_in();
- } while (len || n == ENDPOINT0_SIZE);
- return;
- }
- if (bRequest == SET_ADDRESS) {
- usb_send_in();
- usb_wait_in_ready();
- UDADDR = wValue | (1<<ADDEN);
- return;
- }
- if (bRequest == SET_CONFIGURATION && bmRequestType == 0) {
- usb_configuration = wValue;
- cdc_line_rtsdtr = 0;
- transmit_flush_timer = 0;
- usb_send_in();
- cfg = endpoint_config_table;
- for (i=1; i<5; i++) {
- UENUM = i;
- en = pgm_read_byte(cfg++);
- UECONX = en;
- if (en) {
- UECFG0X = pgm_read_byte(cfg++);
- UECFG1X = pgm_read_byte(cfg++);
- }
- }
- UERST = 0x1E;
- UERST = 0;
- return;
- }
- if (bRequest == GET_CONFIGURATION && bmRequestType == 0x80) {
- usb_wait_in_ready();
- UEDATX = usb_configuration;
- usb_send_in();
- return;
- }
- if (bRequest == CDC_GET_LINE_CODING && bmRequestType == 0xA1) {
- usb_wait_in_ready();
- p = cdc_line_coding;
- for (i=0; i<7; i++) {
- UEDATX = *p++;
- }
- usb_send_in();
- return;
- }
- if (bRequest == CDC_SET_LINE_CODING && bmRequestType == 0x21) {
- usb_wait_receive_out();
- p = cdc_line_coding;
- for (i=0; i<7; i++) {
- *p++ = UEDATX;
- }
- usb_ack_out();
- usb_send_in();
- return;
- }
- if (bRequest == CDC_SET_CONTROL_LINE_STATE && bmRequestType == 0x21) {
- cdc_line_rtsdtr = wValue;
- usb_wait_in_ready();
- usb_send_in();
- return;
- }
- if (bRequest == GET_STATUS) {
- usb_wait_in_ready();
- i = 0;
- #ifdef SUPPORT_ENDPOINT_HALT
- if (bmRequestType == 0x82) {
- UENUM = wIndex;
- if (UECONX & (1<<STALLRQ)) i = 1;
- UENUM = 0;
- }
- #endif
- UEDATX = i;
- UEDATX = 0;
- usb_send_in();
- return;
- }
- #ifdef SUPPORT_ENDPOINT_HALT
- if ((bRequest == CLEAR_FEATURE || bRequest == SET_FEATURE)
- && bmRequestType == 0x02 && wValue == 0) {
- i = wIndex & 0x7F;
- if (i >= 1 && i <= MAX_ENDPOINT) {
- usb_send_in();
- UENUM = i;
- if (bRequest == SET_FEATURE) {
- UECONX = (1<<STALLRQ)|(1<<EPEN);
- } else {
- UECONX = (1<<STALLRQC)|(1<<RSTDT)|(1<<EPEN);
- UERST = (1 << i);
- UERST = 0;
- }
- return;
- }
- }
- #endif
- }
- UECONX = (1<<STALLRQ) | (1<<EPEN); // stall
-}
-
-
diff --git a/software/cmx589a_teensy_test/usb_serial.h b/software/cmx589a_teensy_test/usb_serial.h
deleted file mode 100644
index 14c5b1a..0000000
--- a/software/cmx589a_teensy_test/usb_serial.h
+++ /dev/null
@@ -1,124 +0,0 @@
-#ifndef usb_serial_h__
-#define usb_serial_h__
-
-#include <stdint.h>
-
-// setup
-void usb_init(void); // initialize everything
-uint8_t usb_configured(void); // is the USB port configured
-
-// receiving data
-int16_t usb_serial_getchar(void); // receive a character (-1 if timeout/error)
-uint8_t usb_serial_available(void); // number of bytes in receive buffer
-void usb_serial_flush_input(void); // discard any buffered input
-
-// transmitting data
-int8_t usb_serial_putchar(uint8_t c); // transmit a character
-int8_t usb_serial_putchar_nowait(uint8_t c); // transmit a character, do not wait
-int8_t usb_serial_write(const uint8_t *buffer, uint16_t size); // transmit a buffer
-void usb_serial_flush_output(void); // immediately transmit any buffered output
-
-// serial parameters
-uint32_t usb_serial_get_baud(void); // get the baud rate
-uint8_t usb_serial_get_stopbits(void); // get the number of stop bits
-uint8_t usb_serial_get_paritytype(void);// get the parity type
-uint8_t usb_serial_get_numbits(void); // get the number of data bits
-uint8_t usb_serial_get_control(void); // get the RTS and DTR signal state
-int8_t usb_serial_set_control(uint8_t signals); // set DSR, DCD, RI, etc
-
-// constants corresponding to the various serial parameters
-#define USB_SERIAL_DTR 0x01
-#define USB_SERIAL_RTS 0x02
-#define USB_SERIAL_1_STOP 0
-#define USB_SERIAL_1_5_STOP 1
-#define USB_SERIAL_2_STOP 2
-#define USB_SERIAL_PARITY_NONE 0
-#define USB_SERIAL_PARITY_ODD 1
-#define USB_SERIAL_PARITY_EVEN 2
-#define USB_SERIAL_PARITY_MARK 3
-#define USB_SERIAL_PARITY_SPACE 4
-#define USB_SERIAL_DCD 0x01
-#define USB_SERIAL_DSR 0x02
-#define USB_SERIAL_BREAK 0x04
-#define USB_SERIAL_RI 0x08
-#define USB_SERIAL_FRAME_ERR 0x10
-#define USB_SERIAL_PARITY_ERR 0x20
-#define USB_SERIAL_OVERRUN_ERR 0x40
-
-// This file does not include the HID debug functions, so these empty
-// macros replace them with nothing, so users can compile code that
-// has calls to these functions.
-#define usb_debug_putchar(c)
-#define usb_debug_flush_output()
-
-
-
-// Everything below this point is only intended for usb_serial.c
-#ifdef USB_SERIAL_PRIVATE_INCLUDE
-#include <avr/io.h>
-#include <avr/pgmspace.h>
-#include <avr/interrupt.h>
-
-#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
-#define EP_SINGLE_BUFFER 0x02
-#define EP_DOUBLE_BUFFER 0x06
-#define EP_SIZE(s) ((s) == 64 ? 0x30 : \
- ((s) == 32 ? 0x20 : \
- ((s) == 16 ? 0x10 : \
- 0x00)))
-
-#define MAX_ENDPOINT 4
-
-#define LSB(n) (n & 255)
-#define MSB(n) ((n >> 8) & 255)
-
-#if defined(__AVR_AT90USB162__)
-#define HW_CONFIG()
-#define PLL_CONFIG() (PLLCSR = ((1<<PLLE)|(1<<PLLP0)))
-#define USB_CONFIG() (USBCON = (1<<USBE))
-#define USB_FREEZE() (USBCON = ((1<<USBE)|(1<<FRZCLK)))
-#elif defined(__AVR_ATmega32U4__)
-#define HW_CONFIG() (UHWCON = 0x01)
-#define PLL_CONFIG() (PLLCSR = 0x12)
-#define USB_CONFIG() (USBCON = ((1<<USBE)|(1<<OTGPADE)))
-#define USB_FREEZE() (USBCON = ((1<<USBE)|(1<<FRZCLK)))
-#elif defined(__AVR_AT90USB646__)
-#define HW_CONFIG() (UHWCON = 0x81)
-#define PLL_CONFIG() (PLLCSR = 0x1A)
-#define USB_CONFIG() (USBCON = ((1<<USBE)|(1<<OTGPADE)))
-#define USB_FREEZE() (USBCON = ((1<<USBE)|(1<<FRZCLK)))
-#elif defined(__AVR_AT90USB1286__)
-#define HW_CONFIG() (UHWCON = 0x81)
-#define PLL_CONFIG() (PLLCSR = 0x16)
-#define USB_CONFIG() (USBCON = ((1<<USBE)|(1<<OTGPADE)))
-#define USB_FREEZE() (USBCON = ((1<<USBE)|(1<<FRZCLK)))
-#endif
-
-// standard control endpoint request types
-#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
-// HID (human interface device)
-#define HID_GET_REPORT 1
-#define HID_GET_PROTOCOL 3
-#define HID_SET_REPORT 9
-#define HID_SET_IDLE 10
-#define HID_SET_PROTOCOL 11
-// CDC (communication class device)
-#define CDC_SET_LINE_CODING 0x20
-#define CDC_GET_LINE_CODING 0x21
-#define CDC_SET_CONTROL_LINE_STATE 0x22
-#endif
-#endif