| // Copyright 2022 The Pigweed Authors |
| // |
| // Licensed under the Apache License, Version 2.0 (the "License"); you may not |
| // use this file except in compliance with the License. You may obtain a copy of |
| // the License at |
| // |
| // https://www.apache.org/licenses/LICENSE-2.0 |
| // |
| // Unless required by applicable law or agreed to in writing, software |
| // distributed under the License is distributed on an "AS IS" BASIS, WITHOUT |
| // WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the |
| // License for the specific language governing permissions and limitations under |
| // the License. |
| #pragma once |
| |
| #include "pw_display_driver/display_driver.h" |
| |
| namespace pw::display_driver { |
| |
| // A no-op display driver that does nothing. Handy for display-less targets and |
| // testing. |
| class DisplayDriverNULL : public DisplayDriver { |
| public: |
| ~DisplayDriverNULL() override = default; |
| |
| // pw::display_driver::DisplayDriver implementation: |
| pw::Status Init() override { return pw::OkStatus(); } |
| pw::framebuffer::FramebufferRgb565 GetFramebuffer(void) override { |
| return pw::framebuffer::FramebufferRgb565(); |
| } |
| Status ReleaseFramebuffer(pw::framebuffer::FramebufferRgb565) override { |
| return OkStatus(); |
| } |
| Status WriteRow(span<uint16_t>, int, int) override { return pw::OkStatus(); } |
| int GetWidth() const override { return 0; }; |
| int GetHeight() const override { return 0; }; |
| }; |
| |
| } // namespace pw::display_driver |