[Primitives widgets]
Object Functions
Number object. Used to display numbers.
Number Properties.
Identifier:
- ID: Unique number that identifies the object.
- Name: User-definable name for the object. It can be used with 86HMI API.
Content:
- Value: Number value at default.
- PrefixText: Prefix text in front of the number.
- SuffixText: Suffix text after the number.
Geometry:
- X: Object X coordinate.
- Y: Object Y coordinate.
- Width: Object width. It cannot be adjusted by default.
- Height: Object height. It cannot be adjusted by default.
Options:
- DecimalPoint: Set the number of decimal points for the value. For example, if DecimalPoint is 3, the value will be displayed to the 3rd decimal place.
- TextAlign: Text alignment can be left, right, and center.
- TextColor: Text color can be chosen through the color palette or by directly inputting the color code.
- TextFont: Choose from 6 default font styles. For font configuration instructions, please refer to Theme Management.
- Order: Object order. It can adjust the object order by up/down, which can be viewed on the Object List.
API Functions
setNumberValue()
Description
Set Number Value.
Syntax
void setNumberValue(lv_obj_t* id, double value);
void setNumberValue(char* name, double value);
Parameters
[in] id
Object ID.[in] name
Object Name.[in] value
Set Number Value.
Return
None.
Example
#include "myhmi.h"
void setup() {
Hmi.begin();
// put your setup code here, to run once:
Hmi.setNumberValue(p1num1, 100);
}
void loop() {
// ...
}getNumberValue()
Description
Get Number Value.
Syntax
double getNumberValue(lv_obj_t* id);
double getNumberValue(char* name);
Parameters
[in] id
Object ID.[in] name
Object Name.
Return
Number Value.
Example
#include "myhmi.h"
void setup() {
Serial.begin(115200);
while (!Serial);
Hmi.begin();
// put your setup code here, to run once:
Serial.print("Number value: ");
Serial.println(Hmi.getNumberValue(p1num1));
}
void loop() {
// ...
}Please see the 86HMI Editor User Manual for more instructions on 86HMI widgets and API usage.
