Difference between revisions of "Component: Touch Screen (XPT2046) (Graphical Library)"
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{{Fcfile|GLCD7_Touch.fcfx|GLCD 7 Touch}} | {{Fcfile|GLCD7_Touch.fcfx|GLCD 7 Touch}} | ||
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Revision as of 14:13, 20 January 2023
| Author | Matrix Ltd |
| Version | 2.0 |
| Category | Graphical Library |
Contents
Touch Screen (XPT2046) component
Low level routines for controlling or interacting with the XPT2046 touch screen controller IC found on a lot of common low cost resistive touch screen products.
Component Source Code
Please click here for the component source code: FC_Comp_Source_TouchScreen_XPT2046.fcfx
Detailed description
No detailed description exists yet for this component
Examples
Example using the XPT2046 touchscreen driver IC with a 4.3" TFT Display using the SSD1963 Graphical LCD Controller.
GLCD 4.3 Touch
Example using the XPT2046 touchscreen driver IC with a 7" TFT Display using the SSD1963 Graphical LCD Controller.
GLCD 7 Touch
Macro reference
|
SampleSensor |
| Reads the touch controller and returns true if there is currently a touch in progress. The touch coordinates can be read using the ReadCoord macro. Return 0 = No Touch, 1 = Touch in progress | |
 - BYTE
|
Return |
|
|
ReadCoord |
| Reads a coordinate returned from the Sample Sensor macro. Coordinate is scaled to the X/Y Pixel bounds specified. | |
| - BYTE
|
Coordinate |
| 0 = X, 1 = Y, 2 = Pressure | |
 - UINT
|
Return |
|
|
Initialise |
| Activates the SPI peripheral and claims control over the I/O pins. | |
 - VOID
|
Return |
Property reference
|
Properties |
|
LinkTo |
|
Bus Settings |
|
|
Channel |
| SPI Channel selector | |
|
|
Prescale |
| Prescale option selector | |
|
|
Connections |
|
MOSI |
| SPI Data Out Pin SDO - Also Known as Master Out Slave In (MOSI) when used in Master mode. | |
|
|
MISO |
| SPI Data In Pin SDI - Also Known as Master In Slave Out (MISO) when used in Master mode. | |
|
|
CLK |
| SPI Clock Pin CLK - The Clock signal is driven by the SPI master. | |
|
|
CS / SS |
| Chip Select / Slave Select Pin Master Mode: General purpose output pin used to select the remote SPI device. Slave Mode: Hardware chip select pin input used to select the SPI device. | |
|
|
Configuration |
|
|
Analogue Mode |
|
X Pixel |
|
|
Y Pixel |
|
Flip X |
|
|
Flip Y |
|
|
Simulation |
|
Label |
| Label used to identify the component on the panel. | |
|
|
Enable Interrupt |
| Allows the simulated display to fire an interrupt to allow you to action inputs as they happen. | |
|
Interrupt Macro |
| Macro called when the simulated display fires an interrupt. | |
|
|
Simulate Comms |
| Allows the SPI communications to be simulated and piped through an API to real world hardware. | |
