initial firmware... narf enabled

This commit is contained in:
john stone 2012-07-17 01:05:27 +02:00
parent 479e8503eb
commit e3bef7dfd8
7 changed files with 1318 additions and 0 deletions

398
firmware/Makefile Normal file
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## fuses d7 d8 fc
# 4c normal lock
# 40 total lock
#curl http://seb.exse.net/ledtest.hex > ledtest.hex && avrflash.sh m168 -F -v -v -U flash:w:ledtest.hex
MCU = atmega88
#MCU = atmega168p
#MCU = atmega644
F_CPU = 8000000
#F_CPU = 20000000
QUARZ = 8MHZ
#internal RC/8
#FUSE_SETTINGS = -U lfuse:w:0xe2:m -U hfuse:w:0xdf:m -U efuse:w:0xf9:m
#FUSE_SETTINGS = -U lfuse:w:0xd6:m -U hfuse:w:0xdf:m
#-U lfuse:w:0xD6:m -U hfuse:w:0xDF:m -U efuse:w:0x1:m
#FUSE_SETTINGS = -U lfuse:w:0xF7:m -U hfuse:w:0xDD:m -U efuse:w:0x1:m
# Output format. (can be srec, ihex, binary)
FORMAT = ihex
TARGET = pentabug
# Optimization level, can be [0, 1, 2, 3, s]. 0 turns off optimization.
# (Note: 3 is not always the best optimization level. See avr-libc FAQ.)
OPT = s
##########################################################################################################
# List C source files here. (C dependencies are automatically generated.)
SRC = main.c
##########################################################################################################
# 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 =
# List any extra directories to look for include files here.
# Each directory must be seperated by a space.
EXTRAINCDIRS =
# Optional compiler flags.
# -g: generate debugging information (for GDB, or for COFF conversion)
# -O*: optimization level
# -f...: tuning, see gcc manual and avr-libc documentation
# -Wall...: warning level
# -Wa,...: tell GCC to pass this to the assembler.
# -ahlms: create assembler listing
CFLAGS = -O$(OPT)
CFLAGS += -funsigned-char
CFLAGS += -funsigned-bitfields
CFLAGS += -fpack-struct
CFLAGS += -fshort-enums
CFLAGS += -Wall
CFLAGS += -Wstrict-prototypes
CFLAGS += -Wa,-adhlns=$(<:.c=.lst)
CFLAGS += $(patsubst %,-I%,$(EXTRAINCDIRS))
# Compiler flag to set the C Standard level.
# Unremark just one line below to set the language standard to use.
# c89 = "ANSI" C
# gnu89 = c89 plus GCC extensions
# c99 = ISO C99 standard (not yet fully implemented)
# gnu99 = c99 plus GCC extensions
#CFLAGS += -std=c89
#CFLAGS += -std=gnu89
#CFLAGS += -std=c99
CFLAGS += -std=gnu99
CFLAGS += -DADDR=$(ADDR)
CFLAGS += -DF_CPU=$(F_CPU)
CFLAGS += -DQUARZ=$(QUARZ)
CFLAGS += -DADDR=$(ADDR)
# Optional assembler flags.
# -Wa,...: tell GCC to pass this to the assembler.
# -ahlms: 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]
ASFLAGS = -Wa,-adhlns=$(<:.S=.lst),-gstabs
# Optional linker flags.
# -Wl,...: tell GCC to pass this to linker.
# -Map: create map file
# --cref: add cross reference to map file
LDFLAGS = -Wl,-Map=$(TARGET).map,--cref
# Additional libraries
# Minimalistic printf version
#LDFLAGS += -Wl,-u,vfprintf -lprintf_min
# Floating point printf version (requires -lm below)
#LDFLAGS += -Wl,-u,vfprintf -lprintf_flt
# -lm = math library
LDFLAGS += -lm
#-Wl,--section-start=.text=0x1800
##LDFLAGS += -T./linkerfile/avr5.x
# Programming support using avrdude. Settings and variables.
# Programming hardware:
#
# Type: avrdude -c ?
# to get a full listing.
#
AVRDUDE_PROGRAMMER = avr109 -b 38400
#falls Ponyser ausgewählt wird, muss sich unsere avrdude-Configdatei im Bin-Verzeichnis des Compilers befinden
#AVRDUDE_PORT = com1 # programmer connected to serial device
#AVRDUDE_PORT = lpt1 # programmer connected to parallel port
AVRDUDE_PORT = /dev/ttyUSB0 # programmer connected to USB
AVRDUDE_WRITE_FLASH = -U flash:w:$(TARGET).hex
AVRDUDE_WRITE_FUSE = $(FUSE_SETTINGS)
AVRDUDE_WRITE_EEPROM = -U eeprom:w:$(TARGET).eep
#avrdude -c avrispv2 -P usb -p m32 -U flash:w:blink.hex
#AVRDUDE_FLAGS = -p m168 -F -P $(AVRDUDE_PORT) -c $(AVRDUDE_PROGRAMMER)
AVRDUDE_FLAGS = -p $(MCU) -F -P $(AVRDUDE_PORT) -c $(AVRDUDE_PROGRAMMER) -v -v
#AVRDUDE_UFLAGS = -p atmega88 -F -P /dev/ttyUSB0 -c avr109 -b 38400 -v -v
#AVRDUDE_UFLAGS = -p $(MCU) -P /dev/cu.usbserial-A2002QDi -c avr109 -b 230400 -v -v
AVRDUDE_UFLAGS = -p $(MCU) -F -P /dev/cu.usbserial-A4016EMT -c avr109 -b 38400 -v -v
#AVRDUDE_UFLAGS = -p $(MCU) -F -P /dev/ttyUSB0 -c avr109 -b 38400 -v -v
#AVRDUDE_FLAGS = -p $(MCU) -c $(AVRDUDE_PROGRAMMER)
# 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 += -y
# Uncomment the following if you do /not/ wish a verification to be
# performed after programming the device.
#AVRDUDE_FLAGS += -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_FLAGS += -v -v
# ---------------------------------------------------------------------------
# Define directories, if needed.
#DIRAVR = c:/winavr
#DIRAVRBIN = $(DIRAVR)/bin
#DIRAVRUTILS = $(DIRAVR)/utils/bin
#DIRINC = .
#DIRLIB = $(DIRAVR)/avr/lib
# Define programs and commands.
SHELL = sh
CC = avr-gcc
OBJCOPY = avr-objcopy
OBJDUMP = avr-objdump
SIZE = avr-size
# Programming support using avrdude.
AVRDUDE = avrdude
REMOVE = rm -f
COPY = cp
HEXSIZE = $(SIZE) --target=$(FORMAT) $(TARGET).hex
##ELFSIZE = $(SIZE) -A $(TARGET).elf
ELFSIZE = $(SIZE) --mcu=$(MCU) --format=avr $(TARGET).elf
# 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:
MSG_ASSEMBLING = Assembling:
MSG_CLEANING = Cleaning project:
# Define all object files.
OBJ = $(SRC:.c=.o) $(ASRC:.S=.o)
# Define all listing files.
LST = $(SRC:.c=.lst) $(ASRC:.S=.lst)
# Combine all necessary flags and optional flags.
# Add target processor to flags.
#ALL_CFLAGS = -mmcu=$(MCU) -DF_CPU=$(F_CPU) -I. $(CFLAGS)
ALL_CFLAGS = -mmcu=$(MCU) -I. $(CFLAGS)
ALL_ASFLAGS = -mmcu=$(MCU) -I. -x assembler-with-cpp $(ASFLAGS)
# Default target.
all: begin gccversion sizebefore $(TARGET).elf $(TARGET).hex $(TARGET).eep \
$(TARGET).lss $(TARGET).sym sizeafter finished end
# 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)
finished:
@echo $(MSG_ERRORS_NONE)
end:
@echo $(MSG_END)
@echo
# Display size of file.
sizebefore:
@if [ -f $(TARGET).elf ]; then echo; echo $(MSG_SIZE_BEFORE); $(ELFSIZE); echo; fi
sizeafter:
@if [ -f $(TARGET).elf ]; then echo; echo $(MSG_SIZE_AFTER); $(ELFSIZE); echo; fi
# Display compiler version information.
gccversion :
@$(CC) --version
# Convert ELF to COFF for use in debugging / simulating in
# AVR Studio or VMLAB.
COFFCONVERT=$(OBJCOPY) --debugging \
--change-section-address .data-0x800000 \
--change-section-address .bss-0x800000 \
--change-section-address .noinit-0x800000 \
--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
# Program the device.
flash: $(TARGET).hex
$(AVRDUDE) $(AVRDUDE_FLAGS) $(AVRDUDE_WRITE_FLASH)
uflash: $(TARGET).hex
$(AVRDUDE) $(AVRDUDE_UFLAGS) $(AVRDUDE_WRITE_FLASH)
eeprom: $(TARGET).eep
$(AVRDUDE) $(AVRDUDE_FLAGS) $(AVRDUDE_WRITE_EEPROM)
fuse:
$(AVRDUDE) $(AVRDUDE_FLAGS) $(AVRDUDE_WRITE_FUSE)
reset:
$(AVRDUDE) $(AVRDUDE_FLAGS)
# Create final output files (.hex, .eep) from ELF output file.
%.hex: %.elf
@echo
@echo $(MSG_FLASH) $@
$(OBJCOPY) -O $(FORMAT) -R .eeprom $< $@
%.eep: %.elf
@echo
@echo $(MSG_EEPROM) $@
-$(OBJCOPY) -j .eeprom --set-section-flags=.eeprom="alloc,load" \
--change-section-lma .eeprom=0 -O $(FORMAT) $< $@
# Create extended listing file from ELF output file.
%.lss: %.elf
@echo
@echo $(MSG_EXTENDED_LISTING) $@
$(OBJDUMP) -h -S $< > $@
# Create a symbol table from ELF output file.
%.sym: %.elf
@echo
@echo $(MSG_SYMBOL_TABLE) $@
avr-nm -n $< > $@
# Link: create ELF output file from object files.
.SECONDARY : $(TARGET).elf
.PRECIOUS : $(OBJ)
%.elf: $(OBJ)
@echo
@echo $(MSG_LINKING) $@
$(CC) $(ALL_CFLAGS) $(OBJ) --output $@ $(LDFLAGS)
# Compile: create object files from C source files.
%.o : %.c
@echo
@echo $(MSG_COMPILING) $<
$(CC) -c $(ALL_CFLAGS) $< -o $@
# Compile: create assembler files from C source files.
%.s : %.c
$(CC) -S $(ALL_CFLAGS) $< -o $@
# Assemble: create object files from assembler source files.
%.o : %.S
@echo
@echo $(MSG_ASSEMBLING) $<
$(CC) -c $(ALL_ASFLAGS) $< -o $@
# Target: clean project.
clean: begin clean_list finished end
clean_list :
@echo
@echo $(MSG_CLEANING)
$(REMOVE) $(TARGET).hex
$(REMOVE) $(TARGET).eep
$(REMOVE) $(TARGET).obj
$(REMOVE) $(TARGET).cof
$(REMOVE) $(TARGET).elf
$(REMOVE) $(TARGET).map
$(REMOVE) $(TARGET).obj
$(REMOVE) $(TARGET).a90
$(REMOVE) $(TARGET).sym
$(REMOVE) $(TARGET).lnk
$(REMOVE) $(TARGET).lss
$(REMOVE) $(OBJ)
$(REMOVE) $(LST)
$(REMOVE) $(SRC:.c=.s)
$(REMOVE) $(SRC:.c=.d)
@echo
# Automatically generate C source code dependencies.
# (Code originally taken from the GNU make user manual and modified
# (See README.txt Credits).)
#
# Note that this will work with sh (bash) and sed that is shipped with WinAVR
# (see the SHELL variable defined above).
# This may not work with other shells or other seds.
#
%.d: %.c
@set -e; $(CC) -MM $(ALL_CFLAGS) $< \
| sed 's,\(.*\)\.o[ :]*,\1.o \1.d : ,g' > $@; \
[ -s $@ ] || rm -f $@
# Remove the '-' if you want to see the dependency files generated.
-include $(SRC:.c=.d)
# Listing of phony targets.
.PHONY : all begin finish end sizebefore sizeafter gccversion coff extcoff clean clean_list flash eeprom fuse reset

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#ifndef CHIPDEF_H
#define CHIPDEF_H
#include <avr/io.h>
#if defined (SPMCSR)
#define SPM_REG SPMCSR
#elif defined (SPMCR)
#define SPM_REG SPMCR
#else
#error "AVR processor does not provide bootloader support!"
#endif
#define APP_END (FLASHEND - (BOOTSIZE * 2))
#if (SPM_PAGESIZE > UINT8_MAX)
typedef uint16_t pagebuf_t;
#else
typedef uint8_t pagebuf_t;
#endif
#if defined(__AVR_ATmega88PA__)
#include "mega88.h"
#elif defined(__AVR_ATmega88__)
#include "mega88.h"
#else
#error "no definition for MCU available in chipdef.h"
#endif
#endif

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/*****************************************************************************
*
* Minimal Bootloader for Atmega644(p/a)
*
*
* Based on:
*
* AVRPROG compatible boot-loader
* Version : 0.85 (Dec. 2008)
* Compiler : avr-gcc 4.1.2 / avr-libc 1.4.6
* size : depends on features and startup ( minmal features < 512 words)
* by : Martin Thomas, Kaiserslautern, Germany
* eversmith@heizung-thomas.de
* Additional code and improvements contributed by:
* - Uwe Bonnes
* - Bjoern Riemer
* - Olaf Rempel
*
* License : Copyright (c) 2006-2008 M. Thomas, U. Bonnes, O. Rempel
* Free to use. You have to mention the copyright
* owners in source-code and documentation of derived
* work. No warranty! (Yes, you can insert the BSD
* license here)
*
******************************************************************************/
/* MCU frequency */
#ifndef F_CPU
#define F_CPU 8000000
#endif
/* UART Baudrate */
#define BAUDRATE 115200
/* use "Double Speed Operation" */
#define UART_DOUBLESPEED
/* use second UART on mega128 / can128 / mega162 / mega324p / mega644p */
//#define UART_USE_SECOND
/* Device-Type:
For AVRProg the BOOT-option is prefered
which is the "correct" value for a bootloader.
avrdude may only detect the part-code for ISP */
#define DEVTYPE DEVTYPE_BOOT
// #define DEVTYPE DEVTYPE_ISP
/*
* Pin "STARTPIN" on port "STARTPORT" in this port has to grounded
* (active low) to start the bootloader
*/
#define BLPORT PORTD
#define BLDDR DDRD
#define BLPIN PIND
#define BLPNUM PIND0
/*
* Watchdog-reset is issued at exit
* define the timeout-value here (see avr-libc manual)
*/
#define EXIT_WDT_TIME WDTO_250MS
void __vector_default(void) { ; }
/*
* define the following if the bootloader should not output
* itself at flash read (will fake an empty boot-section)
*/
#define READ_PROTECT_BOOTLOADER
#define VERSION_HIGH '0'
#define VERSION_LOW '8'
#ifdef UART_DOUBLESPEED
// #define UART_CALC_BAUDRATE(baudRate) (((F_CPU*10UL) / ((baudRate) *8UL) +5)/10 -1)
#define UART_CALC_BAUDRATE(baudRate) ((uint32_t)((F_CPU) + ((uint32_t)baudRate * 4UL)) / ((uint32_t)(baudRate) * 8UL) - 1)
#else
// #define UART_CALC_BAUDRATE(baudRate) (((F_CPU*10UL) / ((baudRate)*16UL) +5)/10 -1)
#define UART_CALC_BAUDRATE(baudRate) ((uint32_t)((F_CPU) + ((uint32_t)baudRate * 8UL)) / ((uint32_t)(baudRate) * 16UL) - 1)
#endif
#include <stdint.h>
#include <avr/io.h>
#include <avr/wdt.h>
#include <avr/boot.h>
#include <avr/pgmspace.h>
//#include <avr/interrupt.h>
//#include <util/delay.h>
#include "chipdef.h"
uint8_t gBuffer[SPM_PAGESIZE];
static void sendchar(uint8_t data)
{
while (!(UART_STATUS & (1<<UART_TXREADY)));
UART_DATA = data;
}
static uint8_t recvchar(void)
{
while (!(UART_STATUS & (1<<UART_RXREADY)));
return UART_DATA;
}
static inline void eraseFlash(void)
{
// erase only main section (bootloader protection)
uint32_t addr = 0;
while (APP_END > addr) {
boot_page_erase(addr); // Perform page erase
boot_spm_busy_wait(); // Wait until the memory is erased.
addr += SPM_PAGESIZE;
}
boot_rww_enable();
}
static inline void recvBuffer(pagebuf_t size)
{
pagebuf_t cnt;
uint8_t *tmp = gBuffer;
for (cnt = 0; cnt < sizeof(gBuffer); cnt++) {
*tmp++ = (cnt < size) ? recvchar() : 0xFF;
}
}
static inline uint16_t writeFlashPage(uint16_t waddr, pagebuf_t size)
{
uint32_t pagestart = (uint32_t)waddr<<1;
uint32_t baddr = pagestart;
uint16_t data;
uint8_t *tmp = gBuffer;
do {
data = *tmp++;
data |= *tmp++ << 8;
if ( baddr < APP_END )
{
boot_page_fill(baddr, data); // call asm routine.
}
baddr += 2; // Select next word in memory
size -= 2; // Reduce number of bytes to write by two
} while (size); // Loop until all bytes written
boot_page_write(pagestart);
boot_spm_busy_wait();
boot_rww_enable(); // Re-enable the RWW section
return baddr>>1;
}
static inline uint16_t readFlashPage(uint16_t waddr, pagebuf_t size)
{
uint32_t baddr = (uint32_t)waddr<<1;
uint16_t data;
do {
#ifndef READ_PROTECT_BOOTLOADER
#warning "Bootloader not read-protected"
#if defined(RAMPZ)
data = pgm_read_word_far(baddr);
#else
data = pgm_read_word_near(baddr);
#endif
#else
// don't read bootloader
if ( baddr < APP_END ) {
#if defined(RAMPZ)
data = pgm_read_word_far(baddr);
#else
data = pgm_read_word_near(baddr);
#endif
}
else {
data = 0xFFFF; // fake empty
}
#endif
sendchar(data); // send LSB
sendchar((data >> 8)); // send MSB
baddr += 2; // Select next word in memory
size -= 2; // Subtract two bytes from number of bytes to read
} while (size); // Repeat until block has been read
return baddr>>1;
}
static void send_boot(void)
{
sendchar('A');
sendchar('V');
sendchar('R');
sendchar('B');
sendchar('O');
sendchar('O');
sendchar('T');
}
static void (*jump_to_app)(void) = 0x0000;
int main(void)
{
bootloader_wdt_off();
uint16_t address = 0;
uint8_t device = 0, val;
BLDDR &= ~(1<<BLPNUM); // set as Input
BLPORT |= (1<<BLPNUM); // Enable pullup
UART_STATUS = ( 1<<UART_DOUBLE );
UART_BAUD_HIGH = 0;
UART_BAUD_LOW = 25;
UART_CTRL = UART_CTRL_DATA;
UART_CTRL2 = UART_CTRL2_DATA;
if (BLPIN & (1<<BLPNUM)) {
// jump to main app if pin is not grounded and GPIOR2 is zero
jump_to_app(); // Jump to application sector
}
for(;;) {
val = recvchar();
// Autoincrement?
if (val == 'a') {
sendchar('Y'); // Autoincrement is quicker
//write address
} else if (val == 'A') {
address = recvchar(); //read address 8 MSB
address = (address<<8) | recvchar();
sendchar('\r');
// Buffer load support
} else if (val == 'b') {
sendchar('Y'); // Report buffer load supported
sendchar((sizeof(gBuffer) >> 8) & 0xFF); // Report buffer size in bytes
sendchar(sizeof(gBuffer) & 0xFF);
// Start buffer load
} else if (val == 'B') {
pagebuf_t size;
size = recvchar() << 8; // Load high byte of buffersize
size |= recvchar(); // Load low byte of buffersize
val = recvchar(); // Load memory type ('E' or 'F')
recvBuffer(size);
if (device == DEVTYPE) {
if (val == 'F') {
address = writeFlashPage(address, size);
}
sendchar('\r');
} else {
sendchar(0);
}
// Block read
} else if (val == 'g') {
pagebuf_t size;
size = recvchar() << 8; // Load high byte of buffersize
size |= recvchar(); // Load low byte of buffersize
val = recvchar(); // Get memtype
if (val == 'F') {
address = readFlashPage(address, size);
}
// Chip erase
} else if (val == 'e') {
if (device == DEVTYPE) {
eraseFlash();
}
sendchar('\r');
// Exit upgrade
} else if (val == 'E') {
wdt_enable(EXIT_WDT_TIME); // Enable Watchdog Timer to give reset
sendchar('\r');
// Enter programming mode
} else if (val == 'P') {
sendchar('\r');
// Leave programming mode
} else if (val == 'L') {
sendchar('\r');
// return programmer type
} else if (val == 'p') {
sendchar('S'); // always serial programmer
// Return device type
} else if (val == 't') {
sendchar(DEVTYPE);
sendchar(0);
// clear and set LED ignored
} else if ((val == 'x') || (val == 'y')) {
recvchar();
sendchar('\r');
// set device
} else if (val == 'T') {
device = recvchar();
sendchar('\r');
// Return software identifier
} else if (val == 'S') {
send_boot();
// Return Software Version
} else if (val == 'V') {
sendchar(VERSION_HIGH);
sendchar(VERSION_LOW);
// Return Signature Bytes (it seems that
// AVRProg expects the "Atmel-byte" 0x1E last
// but shows it first in the dialog-window)
} else if (val == 's') {
sendchar(SIG_BYTE3);
sendchar(SIG_BYTE2);
sendchar(SIG_BYTE1);
/* ESC */
} else if(val != 0x1b) {
sendchar('?');
}
}
return 0;
}

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# MCU name
MCU = atmega88
MCU_AVRDUDE = atmega88
## MCU = atmega644
#/* Select Boot Size in Words (select one, comment out the others) */
##BOOTSIZE=512 #(will not fit)
##BOOTSIZE=1024
##BOOTSIZE=2048
BOOTSIZE=512
ifeq ($(MCU), atmega88pa)
ifeq ($(BOOTSIZE), 128)
MT_BOOTLOADER_ADDRESS = 0x1F00
FUSE_SETTINGS = - lfuse:w:0xe2:m -U hfuse:w:0xdf:m -U efuse:w:0xfe:m
endif
ifeq ($(BOOTSIZE), 256)
MT_BOOTLOADER_ADDRESS = 0x1E00
FUSE_SETTINGS = -U lfuse:w:0xe2:m -U hfuse:w:0xdf:m -U efuse:w:0xfc:m
endif
ifeq ($(BOOTSIZE), 512)
MT_BOOTLOADER_ADDRESS = 0x1C00
FUSE_SETTINGS = -U lfuse:w:0xe2:m -U hfuse:w:0xdf:m -U efuse:w:0xfa:m
endif
ifeq ($(BOOTSIZE), 1024)
MT_BOOTLOADER_ADDRESS = 0x1800
FUSE_SETTINGS = -U lfuse:w:0xe2:m -U hfuse:w:0xdf:m -U efuse:w:0xf8:m
endif
endif
ifeq ($(MCU), atmega88)
ifeq ($(BOOTSIZE), 128)
MT_BOOTLOADER_ADDRESS = 0x1F00
FUSE_SETTINGS = -U lfuse:w:0xe2:m -U hfuse:w:0xdf:m -U efuse:w:0xfe:m
endif
ifeq ($(BOOTSIZE), 256)
MT_BOOTLOADER_ADDRESS = 0x1E00
FUSE_SETTINGS = -U lfuse:w:0xe2:m -U hfuse:w:0xdf:m -U efuse:w:0xfc:m
endif
ifeq ($(BOOTSIZE), 512)
MT_BOOTLOADER_ADDRESS = 0x1C00
FUSE_SETTINGS = -U lfuse:w:0xe2:m -U hfuse:w:0xdf:m -U efuse:w:0xfa:m
endif
ifeq ($(BOOTSIZE), 1024)
MT_BOOTLOADER_ADDRESS = 0x1800
FUSE_SETTINGS = -U lfuse:w:0xe2:m -U hfuse:w:0xdf:m -U efuse:w:0xf8:m
endif
endif
# Output format. (can be srec, ihex, binary)
FORMAT = ihex
#FORMAT = srec
# Target file name (without extension).
TARGET = plbl
# List C source files here. (C dependencies are automatically generated.)
SRC = main.c
# 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 stabs [default], or dwarf-2.
# AVR (extended) COFF requires stabs, plus an avr-objcopy run.
DEBUG = stabs
# List any extra directories to look for include files here.
# Each directory must be seperated by a space.
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
CDEFS = -DBOOTSIZE=$(BOOTSIZE)
# Place -I options here
CINCS =
# Compiler flags.
# -g*: generate debugging information
# -O*: optimization level
# -f...: tuning, see GCC manual and avr-libc documentation
# -Wall...: warning level
# -Wa,...: tell GCC to pass this to the assembler.
# -adhlns...: create assembler listing
CFLAGS = -g$(DEBUG)
CFLAGS += $(CDEFS) $(CINCS)
CFLAGS += -O$(OPT)
CFLAGS += -funsigned-char -funsigned-bitfields -fpack-struct -fshort-enums
CFLAGS += -Wall -Wstrict-prototypes
CFLAGS += -Wa,-adhlns=$(<:.c=.lst)
CFLAGS += $(patsubst %,-I%,$(EXTRAINCDIRS))
CFLAGS += $(CSTANDARD)
# Assembler flags.
# -Wa,...: tell GCC to pass this to the assembler.
# -ahlms: create listing
# -gstabs: have the assembler create line number information; note that
# for use in COFF files, additional information about filenames
# and function names needs to be present in the assembler source
# files -- see avr-libc docs [FIXME: not yet described there]
ASFLAGS = -Wa,-adhlns=$(<:.S=.lst),-gstabs
#Additional libraries.
# 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
PRINTF_LIB =
# 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
SCANF_LIB =
MATH_LIB = -lm
# 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,--defsym=__heap_start=0x801100,--defsym=__heap_end=0x80ffff
EXTMEMOPTS =
# Linker flags.
# -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 += $(EXTMEMOPTS)
LDFLAGS += $(PRINTF_LIB) $(SCANF_LIB) $(MATH_LIB)
################## BOOTLOADER ######################
# MT_BOOTLOADER_ADDRESS (=Start of Boot Loader section
# in bytes - not words) as defined above.
LDFLAGS += -Wl,--section-start=.text=$(MT_BOOTLOADER_ADDRESS)
BFD_MACH=avr5
LDFLAGS += -T./$(BFD_MACH).x
# Programming support using avrdude. Settings and variables.
# Programming hardware: alf avr910 avrisp bascom bsd
# dt006 pavr picoweb pony-stk200 sp12 stk200 stk500
#
# Type: avrdude -c ?
# to get a full listing.
#
AVRDUDE_PROGRAMMER = stk500v2
# com1 = serial port. Use lpt1 to connect to parallel port.
#AVRDUDE_PORT = /dev/ttyUSB1 # programmer connected to serial device
AVRDUDE_PORT = /dev/cu.SLAB_USBtoUART # programmer connected to serial device
#AVRDUDE_PORT = /dev/ttyS0 # programmer connected to serial device
AVRDUDE_WRITE_FLASH = -U flash:w:$(TARGET).hex
#AVRDUDE_WRITE_EEPROM = -U eeprom:w:$(TARGET).eep
AVRDUDE_WRITE_FUSE = $(FUSE_SETTINGS)
# 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_AVRDUDE) -P $(AVRDUDE_PORT) -c $(AVRDUDE_PROGRAMMER)
AVRDUDE_FLAGS += $(AVRDUDE_NO_VERIFY)
AVRDUDE_FLAGS += $(AVRDUDE_VERBOSE)
AVRDUDE_FLAGS += $(AVRDUDE_ERASE_COUNTER)
# ---------------------------------------------------------------------------
# Define directories, if needed.
#DIRAVR = c:/winavr
#DIRAVRBIN = $(DIRAVR)/bin
#DIRAVRUTILS = $(DIRAVR)/utils/bin
#DIRINC = .
#DIRLIB = $(DIRAVR)/avr/lib
# Define programs and commands.
#SHELL = $(DIRAVRUTILS)/sh
#NM = $(DIRAVRBIN)/avr-nm
#CC = $(DIRAVRBIN)/avr-gcc
#OBJCOPY = $(DIRAVRBIN)/avr-objcopy
#OBJDUMP= $(DIRAVRBIN)/avr-objdump
#SIZE = $(DIRAVRBIN)/avr-size
#AVRDUDE = $(DIRAVRBIN)/avrdude.sh
#REMOVE = rm -f
#COPY = cp
# Define programs and commands.
SHELL = sh
CC = avr-gcc
OBJCOPY = avr-objcopy
OBJDUMP = avr-objdump
SIZE = avr-size
NM = avr-nm
AVRDUDE = avrdude
REMOVE = rm -f
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:
MSG_ASSEMBLING = Assembling:
MSG_CLEANING = Cleaning project:
# Define all object files.
OBJ = $(SRC:.c=.o) $(ASRC:.S=.o)
# Define all listing files.
LST = $(ASRC:.S=.lst) $(SRC:.c=.lst)
# Compiler flags to generate dependency files.
### GENDEPFLAGS = -Wp,-M,-MP,-MT,$(*F).o,-MF,.dep/$(@F).d
GENDEPFLAGS = -MD -MP
#GENDEPFLAGS = -MD -MP -MF .dep/$(@F).d
# Combine all necessary flags and optional flags.
# Add target processor to flags.
ALL_CFLAGS = -mmcu=$(MCU) -I. $(CFLAGS) $(GENDEPFLAGS)
ALL_ASFLAGS = -mmcu=$(MCU) -I. -x assembler-with-cpp $(ASFLAGS)
# Default target.
all: begin gccversion sizebefore build sizeafter finished end
build: elf hex eep lss sym
elf: $(TARGET).elf
hex: $(TARGET).hex
eep: $(TARGET).eep
lss: $(TARGET).lss
sym: $(TARGET).sym
# 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)
finished:
@echo $(MSG_ERRORS_NONE)
end:
@echo $(MSG_END)
@echo
# Display size of file.
HEXSIZE = $(SIZE) --target=$(FORMAT) $(TARGET).hex
ELFSIZE = $(SIZE) -x -A $(TARGET).elf
sizebefore:
@if [ -f $(TARGET).elf ]; then echo; echo $(MSG_SIZE_BEFORE); $(ELFSIZE); echo; fi
sizeafter:
@if [ -f $(TARGET).elf ]; then echo; echo $(MSG_SIZE_AFTER); $(ELFSIZE); echo; fi
# Display compiler version information.
gccversion :
@$(CC) --version
# Program the device.
flash: $(TARGET).hex $(TARGET).eep
$(AVRDUDE) $(AVRDUDE_FLAGS) $(AVRDUDE_WRITE_FLASH) $(AVRDUDE_WRITE_EEPROM)
fuse:
$(AVRDUDE) $(AVRDUDE_FLAGS) $(AVRDUDE_WRITE_FUSE)
# Convert ELF to COFF for use in debugging / simulating in AVR Studio or VMLAB.
COFFCONVERT=$(OBJCOPY) --debugging \
--change-section-address .data-0x800000 \
--change-section-address .bss-0x800000 \
--change-section-address .noinit-0x800000 \
--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 $< $@
%.eep: %.elf
@echo
@echo $(MSG_EEPROM) $@
-$(OBJCOPY) -j .eeprom --set-section-flags=.eeprom="alloc,load" \
--change-section-lma .eeprom=0 -O $(FORMAT) $< $@
# Create extended listing file from ELF output file.
%.lss: %.elf
@echo
@echo $(MSG_EXTENDED_LISTING) $@
$(OBJDUMP) -h -S $< > $@
# Create a symbol table from ELF output file.
%.sym: %.elf
@echo
@echo $(MSG_SYMBOL_TABLE) $@
$(NM) -n $< > $@
# Link: create ELF output file from object files.
.SECONDARY : $(TARGET).elf
.PRECIOUS : $(OBJ)
%.elf: $(OBJ)
@echo
@echo $(MSG_LINKING) $@
$(CC) $(ALL_CFLAGS) $(OBJ) --output $@ $(LDFLAGS)
# Compile: create object files from C source files.
%.o : %.c
@echo
@echo $(MSG_COMPILING) $<
$(CC) -c $(ALL_CFLAGS) $< -o $@
# Compile: create assembler files from C source files.
%.s : %.c
$(CC) -S $(ALL_CFLAGS) $< -o $@
# Assemble: create object files from assembler source files.
%.o : %.S
@echo
@echo $(MSG_ASSEMBLING) $<
$(CC) -c $(ALL_ASFLAGS) $< -o $@
# Target: clean project.
clean: begin clean_list finished end
clean_list :
@echo
@echo $(MSG_CLEANING)
$(REMOVE) $(TARGET).hex
$(REMOVE) $(TARGET).eep
$(REMOVE) $(TARGET).obj
$(REMOVE) $(TARGET).cof
$(REMOVE) $(TARGET).elf
$(REMOVE) $(TARGET).map
$(REMOVE) $(TARGET).obj
$(REMOVE) $(TARGET).a90
$(REMOVE) $(TARGET).sym
$(REMOVE) $(TARGET).lnk
$(REMOVE) $(TARGET).lss
$(REMOVE) $(OBJ)
$(REMOVE) $(LST)
$(REMOVE) $(SRC:.c=.s)
$(REMOVE) $(SRC:.c=.d)
# $(REMOVE) .dep/*
# 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

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#ifndef _MEGA88_H_
#define _MEGA88_H_
/* Part-Code ISP */
#define DEVTYPE_ISP 0x76
/* Part-Code BOOT */
#define DEVTYPE_BOOT 0x77
#define SIG_BYTE1 0x1E
#define SIG_BYTE2 0x93
#define SIG_BYTE3 0x0F
#define UART_BAUD_HIGH UBRR0H
#define UART_BAUD_LOW UBRR0L
#define UART_STATUS UCSR0A
#define UART_TXREADY UDRE0
#define UART_RXREADY RXC0
#define UART_DOUBLE U2X0
#define UART_CTRL UCSR0B
#define UART_CTRL_DATA ((1<<TXEN0) | (1<<RXEN0))
#define UART_CTRL2 UCSR0C
#define UART_CTRL2_DATA (1<<UCSZ00)|(1<<UCSZ01)//((1<<URSEL0) | (1<<UCSZ10) | (1<<UCSZ00))
#define UART_DATA UDR0
static inline void bootloader_wdt_off(void)
{
// cli();
wdt_reset();
/* Clear WDRF in MCUSR */
MCUSR &= ~(1<<WDRF);
/* Write logical one to WDCE and WDE */
/* Keep old prescaler setting to prevent unintentional time-out */
WDTCSR |= (1<<WDCE) | (1<<WDE);
/* Turn off WDT */
WDTCSR = 0x00;
}
#endif // #ifndef _MEGA88_H_

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firmware/main.c Normal file
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#include <inttypes.h>
#include <avr/io.h>
#include <avr/interrupt.h>
#include <util/delay.h>
#include <stdlib.h>
#include "main.h"
int main (void)
{
//enable LED channels as output
DDRC |= (1<<PORTC0)|(1<<PORTC2)|(1<<PORTC3)|(1<<PORTC1);
PORTC = 1; //one led is on...
//BUZZER IS OUT:
DDRD |= (1<<PORTD6);
//vibration motor
DDRB |= (1<<PORTB1);
//reduce power
PRR |= (1<<PRTWI)|(1<<PRTIM2)|(1<<PRSPI)|(1<<PRUSART0);
PORTB |= (1 << PORTB1);
PORTD = 0;
while(1)
{
_delay_ms(500);
PORTC ^= (1<<PORTC0)|(1<<PORTC2);
PORTB ^= (1<<PORTB1);
PORTD ^= (1<< PORTD6);
}
}

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firmware/main.h Normal file
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#pragma once