lib: Add hidflash source

Signed-off-by:  Eric Callahan <arksine.code@gmail.com>

lib/hidflash/Makefile

@@ -0,0 +1,48 @@
+CC=gcc
+CFLAGS=-c -Wall
+LDFLAGS=
+SOURCES=main.c
+INCLUDE_DIRS=-I .
+CHECK=1
+
+ifeq ($(OS),Windows_NT)
+	SOURCES+=hid-win.c
+	SOURCES+=rs232.c
+	LIBS=-lsetupapi -lhid
+else
+	UNAME_S := $(shell uname -s)
+	ifeq ($(UNAME_S),Darwin)
+		SOURCES+=hid-mac.c
+		SOURCES+=rs232.c
+		LIBS=-framework IOKit -framework CoreFoundation
+	else
+		CHECK:=$(shell pkg-config --exists libusb-1.0 && echo 1)
+		SOURCES+=hid-libusb.c
+		SOURCES+=rs232.c
+		LIBS=`pkg-config libusb-1.0 --libs` -lrt -lpthread
+		INCLUDE_DIRS+=`pkg-config libusb-1.0 --cflags`
+		CFLAGS+=-std=gnu99
+		LDFLAGS+=-no-pie
+	endif
+endif
+
+OBJECTS=$(SOURCES:.c=.o)
+
+EXECUTABLE = hid-flash
+
+ifeq ($(CHECK), 1)
+all: $(SOURCES) $(EXECUTABLE)
+
+$(EXECUTABLE): $(OBJECTS)
+	$(CC) $(LDFLAGS) $(OBJECTS) $(LIBS) -o $@
+
+.c.o:
+	$(CC) $(CFLAGS) $(INCLUDE_DIRS) $< -o $@
+else
+all:
+	@echo "    hid-flash requires libusb-1.0, please install with:"
+	@echo "    sudo apt-get install libusb-1.0"
+endif
+
+clean:
+	rm -f $(OBJECTS) $(EXECUTABLE) $(EXECUTABLE).exe