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Re-jig programming and add WITH_FUSES= to set fuses automatically if they are specified.
author Daniel O'Connor <darius@dons.net.au>
date Thu, 06 Jan 2011 23:37:15 +1030
parents 5f21a1c8ca06
children bbe75f183cf9
comparison
equal deleted inserted replaced
11:b46f0c742316 12:4e10d1eef9a5
1 # 1 #
2 # Helper makefile to build AVR sources 2 # Helper makefile to build AVR sources
3 # 3 #
4 4
5 .SUFFIXES: .hex .out .c .o .elf .dmp .s 5 .SUFFIXES: .hex .out .c .o .elf .dmp .s .fuse
6 6
7 # Otherwise we get -march=foo 7 # Otherwise we get -march=foo
8 NO_CPU_CFLAGS= 8 NO_CPU_CFLAGS=
9 _CPUCFLAGS= 9 _CPUCFLAGS=
10 10
11 # Programs 11 # Programs
12 AS=avr-as 12 AS=avr-as
13 CC=avr-gcc 13 CC=avr-gcc
14 OBJCOPY=avr-objcopy 14 OBJCOPY=avr-objcopy
15 OBJDUMP=avr-objdump 15 OBJDUMP=avr-objdump
16 SED=sed
17 TAIL=tail
16 18
17 # Tell as to generate listings 19 # Tell as to generate listings
18 CPPFLAGS+=-Wa,-adhlmsn=${<:T:S/.c/.lst/} 20 CPPFLAGS+=-Wa,-adhlmsn=${<:T:S/.c/.lst/}
19 21
20 MCU?=notset 22 MCU?=notset
25 27
26 RM=rm -f 28 RM=rm -f
27 29
28 PROGRAMMER=avrdude 30 PROGRAMMER=avrdude
29 PROGTYPE?=alf 31 PROGTYPE?=alf
32
30 # Need the -B 1 or it is very slow. For slow clocks (eg factory fused) -B 10 works 33 # Need the -B 1 or it is very slow. For slow clocks (eg factory fused) -B 10 works
31 PROGEXTRA?=-B 1 34 PROGOPTS+=-B 10
35
36 .if defined(WITH_FUSES)
37 FUSEFILE=${PROG}.fuse
38 PROGOPTS+=`cat ${PROG}.fuse`
39 .elf.fuse:
40 ${OBJDUMP} -s -j .fuse ${.IMPSRC} | ${TAIL} -1 | ${SED} -nEe 's, [^ ]+ (..)(..)(..).*,-Ulfuse:w:0x\1:m -Uhfuse:w:0x\2:m -Uefuse:w:0x\3:m,p' >${.TARGET}
41 .else
42 FUSEFILE=
43 .endif
32 44
33 .if ${PROGTYPE} != "dragon_isp" && ${PROGTYPE} != "dragon_jtag" 45 .if ${PROGTYPE} != "dragon_isp" && ${PROGTYPE} != "dragon_jtag"
34 PROGEXITS?=vcc,noreset 46 PROGEXITS?=vcc,noreset
35 .endif 47 .endif
36 48
39 .endif 51 .endif
40 .if defined(PROGPORT) && ${PROGPORT} != "" 52 .if defined(PROGPORT) && ${PROGPORT} != ""
41 _PROGPORT=-P ${PROGPORT} 53 _PROGPORT=-P ${PROGPORT}
42 .endif 54 .endif
43 55
44 PROGOPTS?=-p ${PART} -c ${PROGTYPE} ${_PROGPORT} ${_PROGEXITS} -q ${PROGEXTRA} 56 PROGOPTS+=-p ${PART} -c ${PROGTYPE} ${_PROGPORT} ${_PROGEXITS} -q -U flash:w:${PROG}.hex ${PROGEXTRA}
45 57
46 .if !defined(SRCS) 58 .if !defined(SRCS)
47 SRCS= ${PROG}.c 59 SRCS= ${PROG}.c
48 .endif 60 .endif
49 61
62 74
63 .elf.dmp: 75 .elf.dmp:
64 ${OBJDUMP} -S ${.IMPSRC} > ${.PREFIX}.dmp 76 ${OBJDUMP} -S ${.IMPSRC} > ${.PREFIX}.dmp
65 77
66 clean: 78 clean:
67 ${RM} ${PROG}.hex ${PROG}.out ${PROG}.elf ${PROG}.map ${OBJS} ${OBJS:S/.o/.lst/} ${PROG}.dmp 79 ${RM} ${PROG}.hex ${PROG}.out ${PROG}.elf ${PROG}.map ${OBJS} ${OBJS:S/.o/.lst/} ${PROG}.dmp ${PROG}.fuse
68 80
69 prog: all 81 prog: ${PROG}.elf ${FUSEFILE}
70 ${PROGRAMMER} -U flash:w:${PROG}.hex ${PROGOPTS} 82 ${PROGRAMMER} ${PROGOPTS}
71 83
72 84 #########################
85 #;;; Local Variables: ***
86 #;;; mode:makefile ***
87 #;;; End: ***