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authorMatthias P. Braendli <matthias.braendli@mpb.li>2022-04-27 13:27:43 +0200
committerMatthias P. Braendli <matthias.braendli@mpb.li>2022-04-27 13:27:43 +0200
commit9a240ddaa21efaa333d2d45a73fe2af9f60a1437 (patch)
treecb841aa73e59b76a976a042f88564f0ee52490b1 /src/app/Makefile
parentd3e1a66f9351b1f8ef094bb231afe83707fbef9e (diff)
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Minor changes
Diffstat (limited to 'src/app/Makefile')
-rw-r--r--src/app/Makefile10
1 files changed, 4 insertions, 6 deletions
diff --git a/src/app/Makefile b/src/app/Makefile
index 8fe6809..a5f71de 100644
--- a/src/app/Makefile
+++ b/src/app/Makefile
@@ -13,10 +13,8 @@ PROG = dragon_isp
PART=attiny25
AVRDUDE_PART=t25
-# Cpu frequency
-# is 3.579545MHz / 8 = 447443.125
-#F_CPU=447443UL
-F_CPU="(3579545UL/8)"
+# Cpu frequency, internal RC at 8MHz, divide by 8 enabled
+F_CPU="1000000UL"
# Directory for built objects
BUILD_DIR=build
@@ -46,7 +44,7 @@ vpath %.elf ./$(BUILD_DIR)
vpath %.hex ./$(BUILD_DIR)
# GCC flags
-CFLAGS=-g -mmcu=$(PART) -O1 -Wall -Werror -DF_CPU=$(F_CPU)
+CFLAGS=-g -mmcu=$(PART) -Os -Wall -Werror -DF_CPU=$(F_CPU)
INCLUDES=-I. -I$(LIB_DIR)
@@ -98,7 +96,7 @@ program: $(APP_HEX)
$(AVRDUDE) $(AVRDUDE_FLAGS) -c $(PROG) -P $(AVRDUDE_DEV) -p $(AVRDUDE_PART) -U flash:w:$(BUILD_DIR)/$(APP_HEX) -v
fuse:
- $(AVRDUDE) $(AVRDUDE_FLAGS) -c $(PROG) -P $(AVRDUDE_DEV) -p $(AVRDUDE_PART) -U lfuse:w:0x60:m -U hfuse:w:0xdc:m -U efuse:w:0xff:m -v
+ $(AVRDUDE) $(AVRDUDE_FLAGS) -c $(PROG) -P $(AVRDUDE_DEV) -p $(AVRDUDE_PART) -U lfuse:w:0x62:m -U hfuse:w:0xdf:m -U efuse:w:0xff:m -v
interactive:
$(AVRDUDE) $(AVRDUDE_FLAGS) -c $(PROG) -P $(AVRDUDE_DEV) -p $(AVRDUDE_PART) -t -v