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-rw-r--r--message.mk1
-rw-r--r--tmk_core/rules.mk12
2 files changed, 12 insertions, 1 deletions
diff --git a/message.mk b/message.mk
index 6894dd8cb..71f37be0b 100644
--- a/message.mk
+++ b/message.mk
@@ -80,3 +80,4 @@ MSG_CHECK_FILESIZE = Checking file size of $(TARGET).hex
MSG_FILE_TOO_BIG = $(ERROR_COLOR)The firmware is too large!$(NO_COLOR) $(CURRENT_SIZE)/$(MAX_SIZE) ($(OVER_SIZE) bytes over)\n
MSG_FILE_TOO_SMALL = The firmware is too small! $(CURRENT_SIZE)/$(MAX_SIZE)\n
MSG_FILE_JUST_RIGHT = The firmware size is fine - $(CURRENT_SIZE)/$(MAX_SIZE) ($(FREE_SIZE) bytes free)\n
+MSG_FILE_NEAR_LIMIT = The firmware size is approaching the maximum - $(CURRENT_SIZE)/$(MAX_SIZE) ($(FREE_SIZE) bytes free)\n
diff --git a/tmk_core/rules.mk b/tmk_core/rules.mk
index c43f14292..3a322cee4 100644
--- a/tmk_core/rules.mk
+++ b/tmk_core/rules.mk
@@ -383,6 +383,8 @@ show_path:
@echo OBJ=$(OBJ)
ifeq ($(findstring avr-gcc,$(CC)),avr-gcc)
+SIZE_MARGIN = 1024
+
check-size:
$(eval MAX_SIZE=$(shell n=`$(CC) -E -mmcu=$(MCU) $(CFLAGS) $(OPT_DEFS) tmk_core/common/avr/bootloader_size.c 2> /dev/null | sed -ne '/^#/n;/^AVR_SIZE:/,$${s/^AVR_SIZE: //;p;}'` && echo $$(($$n)) || echo 0))
$(eval CURRENT_SIZE=$(shell if [ -f $(BUILD_DIR)/$(TARGET).hex ]; then $(SIZE) --target=$(FORMAT) $(BUILD_DIR)/$(TARGET).hex | $(AWK) 'NR==2 {print $$4}'; else printf 0; fi))
@@ -390,7 +392,15 @@ check-size:
$(eval OVER_SIZE=$(shell expr $(CURRENT_SIZE) - $(MAX_SIZE)))
if [ $(MAX_SIZE) -gt 0 ] && [ $(CURRENT_SIZE) -gt 0 ]; then \
$(SILENT) || printf "$(MSG_CHECK_FILESIZE)" | $(AWK_CMD); \
- if [ $(CURRENT_SIZE) -gt $(MAX_SIZE) ]; then printf "\n * $(MSG_FILE_TOO_BIG)"; $(PRINT_ERROR_PLAIN); else $(PRINT_OK); $(SILENT) || printf " * $(MSG_FILE_JUST_RIGHT)"; fi \
+ if [ $(CURRENT_SIZE) -gt $(MAX_SIZE) ]; then \
+ printf "\n * $(MSG_FILE_TOO_BIG)"; $(PRINT_ERROR_PLAIN); \
+ else \
+ if [ $(FREE_SIZE) -lt $(SIZE_MARGIN) ]; then \
+ $(PRINT_WARNING_PLAIN); printf " * $(MSG_FILE_NEAR_LIMIT)"; \
+ else \
+ $(PRINT_OK); $(SILENT) || printf " * $(MSG_FILE_JUST_RIGHT)"; \
+ fi \
+ fi \
fi
else
check-size: