Initial commit

Makefile

@@ -0,0 +1,39 @@
+CC = gcc
+STD_CFLAGS = -Wall -std=gnu99 -c -O2
+
+# Enable ARM-specific options only on ARM, and compilation of the app only on ARM
+UNAME := $(shell uname -m)
+PCPUI := $(shell cat /proc/cpuinfo | grep Revision | cut -c16-)
+
+# Determine the hardware platform. Below, pi1 stands for the RaspberryPi 1 (the original one),
+# and pi2 stands for both the RaspberryPi 2 and 3.
+ifeq ($(UNAME), armv6l)
+	CFLAGS = $(STD_CFLAGS) -march=armv6 -mtune=arm1176jzf-s -mfloat-abi=hard -mfpu=vfp -ffast-math -DRASPI=1
+	TARGET = pi1
+else ifeq ($(PCPUI), 11)
+	CFLAGS = $(STD_CFLAGS) -march=armv7-a -mtune=arm1176jzf-s -mfloat-abi=hard -mfpu=vfp -ffast-math -DRASPI=4
+	TARGET = pi4
+else ifeq ($(UNAME), armv7l)
+	CFLAGS = $(STD_CFLAGS) -march=armv7-a -mtune=arm1176jzf-s -mfloat-abi=hard -mfpu=vfp -ffast-math -DRASPI=2
+	TARGET = pi2
+else
+	CFLAGS = $(STD_CFLAGS)
+	TARGET = other
+endif
+
+ifneq ($(TARGET), other)
+
+app: pitxft.o mailbox.o
+	$(CC) -o pitxft mailbox.o pitxft.o -lm
+
+endif
+
+
+mailbox.o: mailbox.c mailbox.h
+	$(CC) $(CFLAGS) mailbox.c
+
+pitxft.o: pitxft.c mailbox.h
+	$(CC) $(CFLAGS) pitxft.c
+
+clean:
+	rm -f *.o