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1 # Name: Makefile |
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2 # Author: <insert your name here> |
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3 # Copyright: <insert your copyright message here> |
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4 # License: <insert your license reference here> |
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5 |
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6 # This is a prototype Makefile. Modify it according to your needs. |
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7 # You should at least check the settings for |
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8 # DEVICE ....... The AVR device you compile for |
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9 # CLOCK ........ Target AVR clock rate in Hertz |
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10 # OBJECTS ...... The object files created from your source files. This list is |
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11 # usually the same as the list of source files with suffix ".o". |
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12 # PROGRAMMER ... Options to avrdude which define the hardware you use for |
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13 # uploading to the AVR and the interface where this hardware |
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14 # is connected. We recommend that you leave it undefined and |
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15 # add settings like this to your ~/.avrduderc file: |
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16 # default_programmer = "stk500v2" |
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17 # default_serial = "avrdoper" |
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18 # FUSES ........ Parameters for avrdude to flash the fuses appropriately. |
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19 |
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20 DEVICE = atmega328 |
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21 PROGDEVICE = atmega328p |
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22 CLOCK = 2000000 |
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23 PROGRAMMER = #-c stk500v2 -P avrdoper |
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24 PROGRAMMER = -c stk500 -P ~/dev/stk500 -p $(PROGDEVICE) -B 2 |
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25 OBJS_1WIRE = onewire.o ds18x20.o uart_addon.o crc8.o uart.o |
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26 OBJS_SD = ff.o mmc.o |
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27 OBJECTS = main.o |
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28 OBJECTS += $(OBJS_1WIRE) |
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29 #OBJECTS += OBJS_SD |
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30 LIBS = -lm |
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31 |
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32 # default but 2mhz |
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33 FUSES = -U hfuse:w:0xd9:m -U lfuse:w:0x62:m |
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34 |
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35 # ATMega8 fuse bits used above (fuse bits for other devices are different!): |
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36 # Example for 8 MHz internal oscillator |
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37 # Fuse high byte: |
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38 # 0xd9 = 1 1 0 1 1 0 0 1 <-- BOOTRST (boot reset vector at 0x0000) |
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39 # ^ ^ ^ ^ ^ ^ ^------ BOOTSZ0 |
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40 # | | | | | +-------- BOOTSZ1 |
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41 # | | | | +---------- EESAVE (set to 0 to preserve EEPROM over chip erase) |
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42 # | | | +-------------- WDTON |
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43 # | | +---------------- SPIEN (if set to 1, serial programming is disabled) |
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44 # | +------------------ DWEN |
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45 # +-------------------- RSTDISBL (if set to 0, RESET pin is disabled) |
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46 # Fuse low byte: |
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47 # 0x62 = 0 1 1 0 0 0 1 0 |
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48 # ^ ^ \ / \--+--/ |
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49 # | | | +------- CKSEL 3..0 (8M internal RC) |
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50 # | | +--------------- SUT 1..0 (slowly rising power) |
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51 # | +------------------ CKOUT |
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52 # +-------------------- CLKDIV8 |
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53 # |
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54 # For computing fuse byte values for other devices and options see |
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55 # the fuse bit calculator at http://www.engbedded.com/fusecalc/ |
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56 |
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57 |
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58 # Tune the lines below only if you know what you are doing: |
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59 |
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60 AVRDUDE = avrdude $(PROGRAMMER) |
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61 COMPILE = avr-gcc -Wall -Os -DF_CPU=$(CLOCK) -mmcu=$(DEVICE) -g -std=c99 -mcall-prologues -fdata-sections -ffunction-sections -Wl,--print-gc-sections -Wl,--gc-sections -Wl,--relax |
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62 |
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63 # symbolic targets: |
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64 all: main.hex |
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65 |
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66 .c.o: |
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67 $(COMPILE) -c $< -o $@ |
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68 |
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69 .S.o: |
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70 $(COMPILE) -x assembler-with-cpp -c $< -o $@ |
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71 # "-x assembler-with-cpp" should not be necessary since this is the default |
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72 # file type for the .S (with capital S) extension. However, upper case |
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73 # characters are not always preserved on Windows. To ensure WinAVR |
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74 # compatibility define the file type manually. |
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75 |
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76 .c.s: |
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77 $(COMPILE) -S $< -o $@ |
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78 |
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79 flash: all |
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80 $(AVRDUDE) -U flash:w:main.hex:i |
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81 |
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82 fuse: |
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83 $(AVRDUDE) $(FUSES) |
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84 |
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85 # Xcode uses the Makefile targets "", "clean" and "install" |
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86 install: flash fuse |
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87 |
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88 # if you use a bootloader, change the command below appropriately: |
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89 load: all |
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90 bootloadHID main.hex |
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91 |
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92 clean: |
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93 rm -f main.hex main.elf $(OBJECTS) |
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94 |
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95 # file targets: |
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96 main.elf: $(OBJECTS) |
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97 $(COMPILE) -o main.elf $(OBJECTS) $(LIBS) |
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98 |
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99 main.hex: main.elf |
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100 rm -f main.hex |
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101 avr-objcopy -j .text -j .data -O ihex main.elf main.hex |
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102 avr-size --format=avr --mcu=$(DEVICE) main.elf |
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103 # If you have an EEPROM section, you must also create a hex file for the |
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104 # EEPROM and add it to the "flash" target. |
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105 |
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106 # Targets for code debugging and analysis: |
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107 disasm: main.elf |
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108 avr-objdump -d main.elf |
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109 |
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110 cpp: |
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111 $(COMPILE) -E main.c |
