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130 lines
3.7 KiB
C++
130 lines
3.7 KiB
C++
#pragma once
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#ifdef USE_ESP32
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#include "esphome/core/component.h"
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#include "esphome/core/entity_base.h"
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#include "esphome/core/helpers.h"
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#include <esp_camera.h>
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#include <freertos/FreeRTOS.h>
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#include <freertos/queue.h>
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namespace esphome {
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namespace esp32_camera {
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class ESP32Camera;
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enum CameraRequester { IDLE, API_REQUESTER, WEB_REQUESTER };
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class CameraImage {
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public:
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CameraImage(camera_fb_t *buffer, uint8_t requester);
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camera_fb_t *get_raw_buffer();
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uint8_t *get_data_buffer();
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size_t get_data_length();
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bool was_requested_by(CameraRequester requester) const;
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protected:
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camera_fb_t *buffer_;
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uint8_t requesters_;
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};
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class CameraImageReader {
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public:
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void set_image(std::shared_ptr<CameraImage> image);
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size_t available() const;
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uint8_t *peek_data_buffer();
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void consume_data(size_t consumed);
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void return_image();
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protected:
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std::shared_ptr<CameraImage> image_;
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size_t offset_{0};
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};
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enum ESP32CameraFrameSize {
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ESP32_CAMERA_SIZE_160X120, // QQVGA
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ESP32_CAMERA_SIZE_176X144, // QCIF
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ESP32_CAMERA_SIZE_240X176, // HQVGA
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ESP32_CAMERA_SIZE_320X240, // QVGA
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ESP32_CAMERA_SIZE_400X296, // CIF
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ESP32_CAMERA_SIZE_640X480, // VGA
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ESP32_CAMERA_SIZE_800X600, // SVGA
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ESP32_CAMERA_SIZE_1024X768, // XGA
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ESP32_CAMERA_SIZE_1280X1024, // SXGA
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ESP32_CAMERA_SIZE_1600X1200, // UXGA
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};
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class ESP32Camera : public Component, public EntityBase {
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public:
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ESP32Camera(const std::string &name);
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ESP32Camera();
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void set_data_pins(std::array<uint8_t, 8> pins);
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void set_vsync_pin(uint8_t pin);
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void set_href_pin(uint8_t pin);
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void set_pixel_clock_pin(uint8_t pin);
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void set_external_clock(uint8_t pin, uint32_t frequency);
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void set_i2c_pins(uint8_t sda, uint8_t scl);
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void set_frame_size(ESP32CameraFrameSize size);
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void set_jpeg_quality(uint8_t quality);
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void set_reset_pin(uint8_t pin);
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void set_power_down_pin(uint8_t pin);
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void set_vertical_flip(bool vertical_flip);
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void set_horizontal_mirror(bool horizontal_mirror);
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void set_aec2(bool aec2);
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void set_ae_level(int ae_level);
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void set_aec_value(uint32_t aec_value);
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void set_contrast(int contrast);
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void set_brightness(int brightness);
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void set_saturation(int saturation);
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void set_max_update_interval(uint32_t max_update_interval);
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void set_idle_update_interval(uint32_t idle_update_interval);
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void set_test_pattern(bool test_pattern);
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void setup() override;
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void loop() override;
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void dump_config() override;
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void add_image_callback(std::function<void(std::shared_ptr<CameraImage>)> &&f);
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float get_setup_priority() const override;
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void start_stream(CameraRequester requester);
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void stop_stream(CameraRequester requester);
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void request_image(CameraRequester requester);
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protected:
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uint32_t hash_base() override;
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bool has_requested_image_() const;
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bool can_return_image_() const;
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static void framebuffer_task(void *pv);
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camera_config_t config_{};
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bool vertical_flip_{true};
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bool horizontal_mirror_{true};
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bool aec2_{false};
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int ae_level_{0};
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uint32_t aec_value_{300};
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int contrast_{0};
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int brightness_{0};
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int saturation_{0};
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bool test_pattern_{false};
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esp_err_t init_error_{ESP_OK};
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std::shared_ptr<CameraImage> current_image_;
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uint8_t single_requesters_{0};
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uint8_t stream_requesters_{0};
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QueueHandle_t framebuffer_get_queue_;
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QueueHandle_t framebuffer_return_queue_;
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CallbackManager<void(std::shared_ptr<CameraImage>)> new_image_callback_;
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uint32_t max_update_interval_{1000};
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uint32_t idle_update_interval_{15000};
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uint32_t last_idle_request_{0};
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uint32_t last_update_{0};
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};
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// NOLINTNEXTLINE(cppcoreguidelines-avoid-non-const-global-variables)
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extern ESP32Camera *global_esp32_camera;
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} // namespace esp32_camera
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} // namespace esphome
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#endif
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