From 636aec561badc805ed454c7a8f4c120428c9b627 Mon Sep 17 00:00:00 2001
From: visil <workregor@mail.ru>
Date: Wed, 11 Oct 2023 21:12:15 +0300
Subject: =?UTF-8?q?=D0=A3=D0=BB=D1=83=D1=87=D1=88=D0=B8=D0=BB=20Makefile,?=
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---
 .gitignore |  3 +++
 Makefile   | 10 +++++-----
 led.c      | 10 +++-------
 3 files changed, 11 insertions(+), 12 deletions(-)
 create mode 100644 .gitignore

diff --git a/.gitignore b/.gitignore
new file mode 100644
index 0000000..9c16f5b
--- /dev/null
+++ b/.gitignore
@@ -0,0 +1,3 @@
+*.o
+*.bin
+*.hex
diff --git a/Makefile b/Makefile
index 5f11262..d45a912 100644
--- a/Makefile
+++ b/Makefile
@@ -1,12 +1,12 @@
 DELAY?=1000
+SRCFILE?='led'
 
 default:
-	avr-gcc -DDELAY=${DELAY} -Os -DF_CPU=16000000UL -mmcu=atmega328p -c -o led.o led.c
-	avr-gcc -o led.bin led.o
-	avr-objcopy -O ihex -R .eeprom led.bin led.hex
+	avr-gcc -Wall -Wextra -DDELAY=${DELAY} -Os -DF_CPU=16000000UL -mmcu=atmega328p -c -o ${SRCFILE}.o ${SRCFILE}.c
+	avr-gcc -mmcu=atmega328p -o ${SRCFILE}.bin ${SRCFILE}.o
 
 flash:
-	sudo avrdude -F -V -c arduino -p ATMEGA328P -P /dev/ttyACM0 -b 115200 -U flash:w:led.hex
+	sudo avrdude -F -V -c arduino -p ATMEGA328P -P /dev/ttyACM0 -b 115200 -U flash:w:${SRCFILE}.bin
 
 clean:
-	rm -f led.o led.hex led.bin
+	rm -f ${SRCFILE}.o ${SRCFILE}.bin
diff --git a/led.c b/led.c
index 2eda149..3e83dda 100644
--- a/led.c
+++ b/led.c
@@ -7,16 +7,12 @@
 
 int main(void) {
 	// назначаем PORTB5 на "вывод" (output)
-	DDRB = DDRB | (1 << DDB5);
+	DDRB |= (1 << DDB5);
 
 	// вечный цикл...
 	while(1) {
-		// сигнал на PORTB5
-		PORTB = PORTB | (1 << PORTB5);
-		// пауза...
-		_delay_ms(DELAY);
-		// сигнал выкл.
-		PORTB = PORTB & ~(1 << PORTB5);
+		// переключаем сигнал на PORTB5
+		PORTB ^= (1 << PORTB5);
 		// пауза...
 		_delay_ms(DELAY);
 	}
-- 
cgit v1.2.3