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brightness support for nextion (#1109)
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1a47e4b524
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3 changed files with 7 additions and 1 deletions
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@ -1,7 +1,7 @@
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import esphome.codegen as cg
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import esphome.config_validation as cv
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from esphome.components import display, uart
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from esphome.const import CONF_ID, CONF_LAMBDA
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from esphome.const import CONF_ID, CONF_LAMBDA, CONF_BRIGHTNESS
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from . import nextion_ns
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DEPENDENCIES = ['uart']
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@ -12,6 +12,7 @@ NextionRef = Nextion.operator('ref')
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CONFIG_SCHEMA = display.BASIC_DISPLAY_SCHEMA.extend({
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cv.GenerateID(): cv.declare_id(Nextion),
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cv.Optional(CONF_BRIGHTNESS, default=1.0): cv.percentage,
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}).extend(cv.polling_component_schema('5s')).extend(uart.UART_DEVICE_SCHEMA)
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@ -20,6 +21,8 @@ def to_code(config):
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yield cg.register_component(var, config)
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yield uart.register_uart_device(var, config)
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if CONF_BRIGHTNESS in config:
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cg.add(var.set_brightness(config[CONF_BRIGHTNESS]))
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if CONF_LAMBDA in config:
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lambda_ = yield cg.process_lambda(config[CONF_LAMBDA], [(NextionRef, 'it')],
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return_type=cg.void)
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@ -9,6 +9,7 @@ static const char *TAG = "nextion";
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void Nextion::setup() {
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this->send_command_no_ack("");
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this->send_command_printf("bkcmd=3");
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this->set_backlight_brightness(static_cast<uint8_t>(brightness_ * 100));
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this->goto_page("0");
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}
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float Nextion::get_setup_priority() const { return setup_priority::PROCESSOR; }
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@ -365,6 +365,7 @@ class Nextion : public PollingComponent, public uart::UARTDevice {
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// (In most use cases you won't need these)
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void register_touch_component(NextionTouchComponent *obj) { this->touch_.push_back(obj); }
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void setup() override;
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void set_brightness(float brightness) { this->brightness_ = brightness; }
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float get_setup_priority() const override;
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void update() override;
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void loop() override;
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@ -392,6 +393,7 @@ class Nextion : public PollingComponent, public uart::UARTDevice {
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std::vector<NextionTouchComponent *> touch_;
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optional<nextion_writer_t> writer_;
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bool wait_for_ack_{true};
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float brightness_{1.0};
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};
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class NextionTouchComponent : public binary_sensor::BinarySensorInitiallyOff {
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