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-rw-r--r--firmware/Makefile3
-rw-r--r--firmware/drivers/fat.c11
2 files changed, 11 insertions, 3 deletions
diff --git a/firmware/Makefile b/firmware/Makefile
index 8e9fad5848..1165c26975 100644
--- a/firmware/Makefile
+++ b/firmware/Makefile
@@ -9,7 +9,8 @@
INCLUDES=-Iinclude -I$(FIRMDIR) -Iexport -Icommon -Idrivers -I$(BUILDDIR)
-CFLAGS = $(GCCOPTS) $(INCLUDES) $(TARGET) $(EXTRA_DEFINES) -DMEM=${MEMORYSIZE}
+CFLAGS = $(GCCOPTS) $(INCLUDES) $(TARGET) $(BUILDDATE) $(EXTRA_DEFINES) \
+ -DMEM=${MEMORYSIZE}
# This sets up 'SRC' based on the files mentioned in SOURCES
include $(TOOLSDIR)/makesrc.inc
diff --git a/firmware/drivers/fat.c b/firmware/drivers/fat.c
index c11a9f1247..7bb2645506 100644
--- a/firmware/drivers/fat.c
+++ b/firmware/drivers/fat.c
@@ -1059,8 +1059,15 @@ static void fat_time(unsigned short* date,
{
if (0 == *date)
{
- /* set to 1 August 2003 */
- *date = ((2003 - 1980) << 9) | (8 << 5) | 1;
+/* Macros to convert a 2-digit string to a decimal constant.
+ (YEAR), MONTH and DAY are set by the date command, which outputs
+ DAY as 00..31 and MONTH as 01..12. The leading zero would lead to
+ misinterpretation as an octal constant. */
+#define S100(x) 1 ## x
+#define C2DIG2DEC(x) (S100(x)-100)
+ /* set to build date */
+ *date = ((YEAR - 1980) << 9) | (C2DIG2DEC(MONTH) << 5)
+ | C2DIG2DEC(DAY);
}
else
{