added k209 driver

Makefile

@@ -2,6 +2,8 @@ CXX := g++
 CXXFLAGS := -std=c++20 -O2 -Wall -Wextra -Wpedantic -pthread -MMD -MP
 LDFLAGS := -pthread -lrt
 ORCH_LDFLAGS := $(LDFLAGS) -lusb-1.0
+VISA_CXXFLAGS ?= -I/usr/include/ni-visa
+VISA_LDFLAGS := $(LDFLAGS) -lvisa
 
 BUILD_DIR := build
 BIN_DIR := $(BUILD_DIR)/bin
@@ -79,7 +81,7 @@ $(BIN_DIR)/data_processor: $(DATA_PROCESSOR_OBJS)
 
 $(BUILD_DIR)/%.o: %.cpp
 	@mkdir -p $(dir $@)
-	$(CXX) $(CXXFLAGS) $(INCLUDES) -c $< -o $@
+	$(CXX) $(CXXFLAGS) $(VISA_CXXFLAGS) $(INCLUDES) -c $< -o $@
 
 -include $(DEPFILES)