correct selector pins, cava out, test mode

RpiLedBars/Makefile

@@ -9,7 +9,7 @@ BIN := bin/pixled
 SOURCES := $(shell find $(SRC) -type f -name "*.c") 
 OBJECTS := $(patsubst $(SRC)/%.c, $(OBJ)/%.o, $(SOURCES))
 
-.PHONY: all clean debug
+.PHONY: all clean install
 
 all: $(BIN)
 
@@ -30,5 +30,9 @@ $(BIN): $(OBJECTS) .libs/log.la
 	if [ ! -d "$(dir $@)" ]; then mkdir -p "$(dir $@)"; fi
 	$(CC) -o $@ $^ $(LDFLAGS)
 
+install:
+	$(shell install --backup bin/pixled /usr/local/bin/)
+
+
 clean:
 	rm -rf $(OBJ) .libs libs/*/obj