Add an example to show how to compile AVR C files

HISTORY.md

@@ -10,6 +10,7 @@ The following is the rough list of changes that went into different versions. I
 - Add the ability to configure avrdude options. Fix issue #53
 - Handle cases where certain fuse bits are not present. Fix issue #61
 - Add support for compiling plain AVR C files. Fix issue #63
+- Add an example to show how to compile AVR C files. Fix issue #73
 
 ### 0.10.6 (2013-06-14)
 - Fix whitespace and add /dev/null redirection (https://github.com/sej7278)

examples/BlinkInAVRC/Makefile

@@ -0,0 +1,17 @@
+# This sample Makefile, explains how you can compile plain AVR C file.
+#
+# Arduino Make file. Refer to https://github.com/sudar/Arduino-Makefile
+
+NO_CORE = Yes
+
+BOARD_TAG    = atmega16
+MCU = atmega16
+F_CPU = 8000000L
+
+ISP_PROG   = stk500v1
+AVRDUDE_ISP_BAUDRATE = 19200
+ISP_PORT = /dev/ttyACM*
+
+include $(ARDMK_DIR)/arduino-mk/Arduino.mk
+
+# !!! Important. You have to use make ispload to upload when using ISP programmer

examples/BlinkInAVRC/blink.c

@@ -0,0 +1,38 @@
+/*
+ * © Anil Kumar Pugalia, 2010. Email: email@sarika-pugs.com
+ *
+ * ATmega48/88/168, ATmega16/32
+ * 
+ * Example Blink. Toggles all IO pins at 1Hz
+ */
+
+#include <avr/io.h>
+#include <util/delay.h>
+
+void init_io(void)
+{
+	// 1 = output, 0 = input
+	DDRB = 0b11111111; // All outputs
+	DDRC = 0b11111111; // All outputs
+	DDRD = 0b11111110; // PORTD (RX on PD0). Just for demo
+}
+
+int main(void)
+{
+	init_io();
+
+	while (1)
+	{
+		PORTC = 0xFF;
+		PORTB = 0xFF;
+		PORTD = 0xFF;
+		_delay_ms(500);
+
+		PORTC = 0x00;
+		PORTB = 0x00;
+		PORTD = 0x00;
+		_delay_ms(500);
+	}
+
+	return 0;
+}