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| author | Keith Packard <keithp@keithp.com> | 2011-05-21 21:06:29 -0700 |
|---|---|---|
| committer | Keith Packard <keithp@keithp.com> | 2011-05-21 21:06:29 -0700 |
| commit | 6c87e4f77e6072ae7e8587d327b2ff80af2c3e6a (patch) | |
| tree | 45449480ce0e6bec595e290d220e7052eadbeb2e | |
| parent | 7818f9962aa3375c29e32ee75038e998eaf53df8 (diff) | |
src-avr: Check RAM usage for telescience
ATmega32u4 has only 2.5kB of ram, so check the output of the compiler
to make sure it will work.
Signed-off-by: Keith Packard <keithp@keithp.com>
| -rw-r--r-- | src-avr/check-avr-mem | 9 | ||||
| -rw-r--r-- | src-avr/telescience/Makefile | 3 |
2 files changed, 12 insertions, 0 deletions
diff --git a/src-avr/check-avr-mem b/src-avr/check-avr-mem new file mode 100644 index 00000000..c73edbd1 --- /dev/null +++ b/src-avr/check-avr-mem @@ -0,0 +1,9 @@ +#!/bin/sh +nm "$@" | +grep ' N _end' | +awk '{ iram = strtonum("0x" $1) % 0x10000; +if ( iram > 0xaff) { + printf ("%d bytes of ram more than %d available\n", iram, 0xaff); + exit(1); +} else + exit(0); }' diff --git a/src-avr/telescience/Makefile b/src-avr/telescience/Makefile index b964e1e6..2618ee06 100644 --- a/src-avr/telescience/Makefile +++ b/src-avr/telescience/Makefile @@ -77,8 +77,11 @@ quiet ?= $($1) all: $(PROG) +CHECK=sh ../check-avr-mem + $(PROG): Makefile $(OBJ) $(call quiet,CC) $(LDFLAGS) $(CFLAGS) -o $(PROG) $(OBJ) + $(call quiet,CHECK) $(PROG) || ($(RM) -f $(PROG); exit 1) $(PROG).hex: $(PROG) avr-size $(PROG) |