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Update nextion.h

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Aalian Khan 2019-05-13 14:51:21 -04:00 committed by GitHub
parent 5bb963fa82
commit a1b6a91642
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15
esphome/components/nextion/nextion.h
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@ -23,6 +23,8 @@ class Nextion : public PollingComponent, public uart::UARTDevice {
* Set the text of a component to a static string.
* @param component The component name.
* @param text The static text to set.
* Example: `it.set_component_text("textview", "Hello World!");`
* Component named `textview` `txt` value has been changed to `Hello World`.
*/
void set_component_text(const char *component, const char *text);
/**
@ -30,18 +32,25 @@ class Nextion : public PollingComponent, public uart::UARTDevice {
* @param component The component name.
* @param format The printf-style format string.
* @param ... The arguments to the format.
* Example: `it.set_component_text_printf("textview", "The uptime is: %.1f", id(uptime_sensor).state);`
* Component named `textview` has been changed to `The uptime is:` Then the value of `uptime_sensor`.
* For example when `uptime_sensor` = 506, then, `The uptime is: 506` will be displayed.
*/
void set_component_text_printf(const char *component, const char *format, ...) __attribute__((format(printf, 3, 4)));
/**
* Set the integer value of a component
* @param component The component name.
* @param value The value to set.
* Example: `it.set_component_value("gauge", 50);`
* Component named `gauge` has changed the `val`to 50.
*/
void set_component_value(const char *component, int value);
/**
* Set the picture of an image component.
* @param component The component name.
* @param value The picture name.
* Example: `it.set_component_picture("pic", "4");`
* The picture component named `pic`, has changed the image which has the ID `4`, Which was set in the Nextion editor.
*/
void set_component_picture(const char *component, const char *picture) {
this->send_command_printf("%s.val=%s", component, picture);
@ -50,12 +59,18 @@ class Nextion : public PollingComponent, public uart::UARTDevice {
* Set the background color of a component.
* @param component The component name.
* @param color The color (as a string).
* Example: `it.set_component_background_color("button", "17013");
* The background color of component named `button`, has been changed to blue.
* Use this [color picker](https://nodtem66.github.io/nextion-hmi-color-convert/index.html) to convert color codes to Nextion HMI colors.
*/
void set_component_background_color(const char *component, const char *color);
/**
* Set the pressed background color of a component.
* @param component The component name.
* @param color The color (as a string).
* Example: `it.set_component_pressed_background_color("button", "17013"`
* The pressed background color of the component named `button` has been changed to blue.
* Use this [color picker](https://nodtem66.github.io/nextion-hmi-color-convert/index.html) to convert color codes to Nextion HMI colors
*/
void set_component_pressed_background_color(const char *component, const char *color);
/**