| // Copyright 2022 The Fuchsia Authors. All rights reserved. |
| // Use of this source code is governed by a BSD-style license that can be |
| // found in the LICENSE file. |
| |
| #ifndef FUCHSIA_SDK_EXAMPLES_SRC_I2C_TEMPERATURE_I2C_CONTROLLER_H_ |
| #define FUCHSIA_SDK_EXAMPLES_SRC_I2C_TEMPERATURE_I2C_CONTROLLER_H_ |
| |
| #include <lib/driver/compat/cpp/compat.h> |
| #include <lib/driver/component/cpp/driver_cpp.h> |
| |
| #include "i2c_server.h" |
| |
| namespace i2c_temperature { |
| |
| // Sample driver that implements a `fuchsia.hardware.i2c` bus controller and emulates the |
| // behavior of a temperature sensor device to interact with the i2c temperature driver. |
| class I2cTemperatureController : public driver::DriverBase { |
| public: |
| I2cTemperatureController(driver::DriverStartArgs start_args, |
| fdf::UnownedDispatcher driver_dispatcher) |
| : driver::DriverBase("i2c-temperature-controller", std::move(start_args), |
| std::move(driver_dispatcher)) {} |
| |
| virtual ~I2cTemperatureController() = default; |
| |
| zx::result<> Start() override; |
| |
| private: |
| zx::result<> AddChild(); |
| |
| std::optional<compat::DeviceServer> child_; |
| fidl::WireSharedClient<fuchsia_driver_framework::Node> node_; |
| fidl::WireSharedClient<fuchsia_driver_framework::NodeController> controller_; |
| std::shared_ptr<I2cDeviceServer> i2c_server_; |
| }; |
| |
| } // namespace i2c_temperature |
| |
| #endif // FUCHSIA_SDK_EXAMPLES_SRC_I2C_TEMPERATURE_I2C_CONTROLLER_H_ |