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Added on_image callback to ESP32 Cam (#4860)
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parent
b30430b0bd
commit
39d026299e
4 changed files with 42 additions and 4 deletions
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@ -25,6 +25,11 @@ AUTO_LOAD = ["psram"]
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esp32_camera_ns = cg.esphome_ns.namespace("esp32_camera")
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ESP32Camera = esp32_camera_ns.class_("ESP32Camera", cg.PollingComponent, cg.EntityBase)
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ESP32CameraImageData = esp32_camera_ns.struct("CameraImageData")
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# Triggers
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ESP32CameraImageTrigger = esp32_camera_ns.class_(
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"ESP32CameraImageTrigger", automation.Trigger.template()
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)
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ESP32CameraStreamStartTrigger = esp32_camera_ns.class_(
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"ESP32CameraStreamStartTrigger",
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automation.Trigger.template(),
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@ -139,6 +144,7 @@ CONF_IDLE_FRAMERATE = "idle_framerate"
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# stream trigger
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CONF_ON_STREAM_START = "on_stream_start"
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CONF_ON_STREAM_STOP = "on_stream_stop"
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CONF_ON_IMAGE = "on_image"
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camera_range_param = cv.int_range(min=-2, max=2)
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@ -221,6 +227,11 @@ CONFIG_SCHEMA = cv.ENTITY_BASE_SCHEMA.extend(
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),
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}
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),
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cv.Optional(CONF_ON_IMAGE): automation.validate_automation(
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{
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cv.GenerateID(CONF_TRIGGER_ID): cv.declare_id(ESP32CameraImageTrigger),
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}
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),
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}
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).extend(cv.COMPONENT_SCHEMA)
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@ -289,3 +300,9 @@ async def to_code(config):
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for conf in config.get(CONF_ON_STREAM_STOP, []):
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trigger = cg.new_Pvariable(conf[CONF_TRIGGER_ID], var)
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await automation.build_automation(trigger, [], conf)
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for conf in config.get(CONF_ON_IMAGE, []):
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trigger = cg.new_Pvariable(conf[CONF_TRIGGER_ID], var)
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await automation.build_automation(
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trigger, [(ESP32CameraImageData, "image")], conf
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)
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@ -335,8 +335,8 @@ void ESP32Camera::set_idle_update_interval(uint32_t idle_update_interval) {
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}
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/* ---------------- public API (specific) ---------------- */
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void ESP32Camera::add_image_callback(std::function<void(std::shared_ptr<CameraImage>)> &&f) {
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this->new_image_callback_.add(std::move(f));
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void ESP32Camera::add_image_callback(std::function<void(std::shared_ptr<CameraImage>)> &&callback) {
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this->new_image_callback_.add(std::move(callback));
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}
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void ESP32Camera::add_stream_start_callback(std::function<void()> &&callback) {
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this->stream_start_callback_.add(std::move(callback));
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@ -86,6 +86,11 @@ class CameraImage {
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uint8_t requesters_;
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};
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struct CameraImageData {
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uint8_t *data;
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size_t length;
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};
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/* ---------------- CameraImageReader class ---------------- */
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class CameraImageReader {
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public:
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@ -147,12 +152,12 @@ class ESP32Camera : public Component, public EntityBase {
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void dump_config() override;
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float get_setup_priority() const override;
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/* public API (specific) */
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void add_image_callback(std::function<void(std::shared_ptr<CameraImage>)> &&f);
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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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void update_camera_parameters();
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void add_image_callback(std::function<void(std::shared_ptr<CameraImage>)> &&callback);
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void add_stream_start_callback(std::function<void()> &&callback);
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void add_stream_stop_callback(std::function<void()> &&callback);
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@ -196,7 +201,7 @@ class ESP32Camera : public Component, public EntityBase {
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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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CallbackManager<void(std::shared_ptr<CameraImage>)> new_image_callback_{};
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CallbackManager<void()> stream_start_callback_{};
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CallbackManager<void()> stream_stop_callback_{};
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@ -207,6 +212,18 @@ class ESP32Camera : public Component, public EntityBase {
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// NOLINTNEXTLINE(cppcoreguidelines-avoid-non-const-global-variables)
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extern ESP32Camera *global_esp32_camera;
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class ESP32CameraImageTrigger : public Trigger<CameraImageData> {
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public:
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explicit ESP32CameraImageTrigger(ESP32Camera *parent) {
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parent->add_image_callback([this](const std::shared_ptr<esp32_camera::CameraImage> &image) {
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CameraImageData camera_image_data{};
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camera_image_data.length = image->get_data_length();
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camera_image_data.data = image->get_data_buffer();
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this->trigger(camera_image_data);
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});
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}
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};
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class ESP32CameraStreamStartTrigger : public Trigger<> {
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public:
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explicit ESP32CameraStreamStartTrigger(ESP32Camera *parent) {
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@ -861,6 +861,10 @@ esp32_camera:
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number: GPIO1
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resolution: 640x480
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jpeg_quality: 10
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on_image:
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then:
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- lambda: |-
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ESP_LOGD("main", "image len=%d, data=%c", image.length, image.data[0]);
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esp32_camera_web_server:
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- port: 8080
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