diff --git a/tools/i2c/i2c.cpp b/tools/i2c/i2c.cpp
new file mode 100644
index 0000000..fdf0732
--- /dev/null
+++ b/tools/i2c/i2c.cpp
@@ -0,0 +1,73 @@
+#include "i2c.hpp"
+
+namespace i2c
+{
+
+void I2CDevice::read(uint8_t& data)
+{
+    // TODO
+    (void)data;
+}
+
+void I2CDevice::read(uint8_t addr, uint8_t& data)
+{
+    // TODO
+    (void)addr;
+    (void)data;
+}
+
+void I2CDevice::read(uint8_t addr, uint16_t& data)
+{
+    // TODO
+    (void)addr;
+    (void)data;
+}
+
+void I2CDevice::read(uint8_t addr, uint8_t& size, uint8_t* data)
+{
+    // TODO
+    (void)addr;
+    (void)size;
+    (void)data;
+}
+
+void I2CDevice::write(uint8_t data)
+{
+    // TODO
+    (void)data;
+}
+
+void I2CDevice::write(uint8_t addr, uint8_t data)
+{
+    // TODO
+    (void)addr;
+    (void)data;
+}
+
+void I2CDevice::write(uint8_t addr, uint16_t data)
+{
+    // TODO
+    (void)addr;
+    (void)data;
+}
+
+void I2CDevice::write(uint8_t addr, uint8_t size, const uint8_t* data)
+{
+    // TODO
+    (void)addr;
+    (void)size;
+    (void)data;
+}
+
+std::unique_ptr<I2CInterface> I2CDevice::create(uint8_t busId, uint8_t devAddr)
+{
+    std::unique_ptr<I2CDevice> dev(new I2CDevice(busId, devAddr));
+    return dev;
+}
+
+std::unique_ptr<I2CInterface> create(uint8_t busId, uint8_t devAddr)
+{
+    return I2CDevice::create(busId, devAddr);
+}
+
+} // namespace i2c