add controller test program

1 files changed, 29 insertions, 0 deletions

diff --git a/app/controller/serial-controller.hh b/app/controller/serial-controller.hh
new file mode 100644
index 0000000..bc217b0
--- /dev/null
+++ b/app/controller/serial-controller.hh
@@ -0,0 +1,29 @@
+#pragma once
+
+#include "nes/app/input/input-device-controller.hh"
+
+namespace nes::app::test
+{
+	/// Input device for an NES controller plugged in via serial port.
+	class serial_controller final : public input_device_controller
+	{
+		char const* path_;
+		int fd_{ -1 };
+		sys::button_mask current_{};
+		index index_{ index::unused };
+
+	public:
+		explicit serial_controller(char const* path);
+		~serial_controller() override;
+
+		auto is_reliable() const -> bool override;
+		auto get_name() const -> string_view override { return path_; }
+		auto get_index() const -> index override { return index_; }
+		auto set_index(index const v) -> void override { index_ = v; }
+		auto read_buttons() -> sys::button_mask override;
+
+	private:
+		auto set_up() -> bool;
+		auto close() -> void;
+	};
+} // namespace nes::app:mac