annotate Makefile @ 29:22badb6239e0

rpi: don't hardcode path don't erase on flash
author Matt Johnston <matt@ucc.asn.au>
date Thu, 27 Jun 2013 00:10:37 +0800
parents a55d7c2440fd
children 320c8cc7df5a
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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 = 4915200L
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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 SOURCE_1WIRE = onewire.c simple_ds18b20.c crc8.c
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26 SOURCE_CRYPTO = hmac-sha1.c sha1-asm.S aes.c
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27 SOURCE = main.c
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28 SOURCE += $(SOURCE_CRYPTO)
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29 LIBS = -lm
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30
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31 # default but 2mhz
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32 FUSES = -U hfuse:w:0xd9:m -U lfuse:w:0x77:m -U efuse:w:0xfd:m
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34 #LOCKBIT
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35 # -U lock:w:0x28:m
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36 # 0 unused bit7
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37 # 0 unused
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38 # 1 blb12 no writing to bootloader
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39 # 0 blb11
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40 # 1 blb02 no writing to app
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41 # 0 blb01
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42 # 0 lb2
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43 # 0 lb1 bit0
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44
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45 # ATMega8 fuse bits used above (fuse bits for other devices are different!):
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46 # Example for 8 MHz internal oscillator
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47 # Fuse high byte:
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48 # 0xd9 = 1 1 0 1 1 0 0 1 <-- BOOTRST (boot reset vector at 0x0000)
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49 # ^ ^ ^ ^ ^ ^ ^------ BOOTSZ0
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50 # | | | | | +-------- BOOTSZ1
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51 # | | | | +---------- EESAVE (set to 0 to preserve EEPROM over chip erase)
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52 # | | | +-------------- WDTON
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53 # | | +---------------- SPIEN (if set to 1, serial programming is disabled)
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54 # | +------------------ DWEN
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55 # +-------------------- RSTDISBL (if set to 0, RESET pin is disabled)
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56 # Fuse low byte:
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57 # 0x77 0 1 1 1 0 1 1 1 (low rising, full swing, crystal)
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58 # 0x62 = 0 1 1 0 0 0 1 0
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59 # ^ ^ \ / \--+--/
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60 # | | | +------- CKSEL 3..0 (8M internal RC)
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61 # | | +--------------- SUT 1..0 (slowly rising power)
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62 # | +------------------ CKOUT
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63 # +-------------------- CLKDIV8 (initial)
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64
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65 # Extended fuse:
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66 # 0xfd = 2.7V BOD
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67 #
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68 #
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69 # For computing fuse byte values for other devices and options see
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70 # the fuse bit calculator at http://www.engbedded.com/fusecalc/
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72
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73 # Tune the lines below only if you know what you are doing:
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74
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75 AVRDUDE = avrdude $(PROGRAMMER)
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76 #COMPILE = avr-gcc -Wall -Os -DF_CPU=$(CLOCK) -mmcu=$(DEVICE) -g -std=c99 -mcall-prologues -fdata-sections -ffunction-sections -Wl,--gc-sections -Wl,--relax -fwhole-program -Wl,-u,vfprintf -lprintf_flt -lm
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77 COMPILE = avr-gcc -Wall -Os -DF_CPU=$(CLOCK) -mmcu=$(DEVICE) -g -std=c99 -Wl,-u,vfprintf -lprintf_flt -lm
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78
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79 # symbolic targets:
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80 all: main.hex
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81
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82 .c.o:
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83 $(COMPILE) -c $< -o $@
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84
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85 .S.o:
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86 $(COMPILE) -x assembler-with-cpp -c $< -o $@
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87 # "-x assembler-with-cpp" should not be necessary since this is the default
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88 # file type for the .S (with capital S) extension. However, upper case
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89 # characters are not always preserved on Windows. To ensure WinAVR
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90 # compatibility define the file type manually.
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91
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92 .c.s:
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93 $(COMPILE) -S $< -o $@
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94
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95 flash: all
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96 $(AVRDUDE) -U flash:w:main.hex:i
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97
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98 checkprog:
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99 $(AVRDUDE) -v
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100
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101 fuse:
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102 $(AVRDUDE) $(FUSES)
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103
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104 # Xcode uses the Makefile targets "", "clean" and "install"
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105 install: flash
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106
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107 # if you use a bootloader, change the command below appropriately:
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108 load: all
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109 bootloadHID main.hex
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110
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111 clean:
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112 rm -f main.hex main.elf $(OBJECTS)
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113
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114 # file targets:
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115 main.elf: $(SOURCE)
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116 $(COMPILE) -o main.elf $(SOURCE) $(LIBS)
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117
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118 main.hex: main.elf
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119 rm -f main.hex
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120 avr-objcopy -j .text -j .data -O ihex main.elf main.hex
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121 avr-size --format=avr --mcu=$(DEVICE) main.elf
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122 # If you have an EEPROM section, you must also create a hex file for the
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123 # EEPROM and add it to the "flash" target.
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124
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125 # Targets for code debugging and analysis:
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126 disasm: main.elf
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127 avr-objdump -d main.elf
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128
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129 cpp:
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130 $(COMPILE) -E main.c