Difference between revisions of "Unit PiTFT35"
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'''Adafruit PiTFT 3.5" LCD Driver unit''' | '''Adafruit PiTFT 3.5" LCD Driver unit''' | ||
| − | The Adafruit PiTFT 3.5" LCD is a 480 x 320 pixel TFT with resistive touchscreen using a Himax HX8357 driver and a STMicroelectronics | + | The Adafruit PiTFT 3.5" LCD is a 480 x 320 pixel TFT with resistive touchscreen using a Himax HX8357 driver and a STMicroelectronics STMPE610 resistive touchscreen controller. |
| − | This unit ties together the various components needed to make one of these boards work with Ultibo by finding the correct SPI device, creating the | + | This unit ties together the various components needed to make one of these boards work with Ultibo by finding the correct SPI device, creating the STMPE610 Touch device, creating the HX8357D Framebuffer device and registering all of it with the correct parameters for the Adafruit board. |
Details: | Details: | ||
Latest revision as of 05:11, 13 September 2022
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Contents
[hide]Description
Adafruit PiTFT 3.5" LCD Driver unit
The Adafruit PiTFT 3.5" LCD is a 480 x 320 pixel TFT with resistive touchscreen using a Himax HX8357 driver and a STMicroelectronics STMPE610 resistive touchscreen controller.
This unit ties together the various components needed to make one of these boards work with Ultibo by finding the correct SPI device, creating the STMPE610 Touch device, creating the HX8357D Framebuffer device and registering all of it with the correct parameters for the Adafruit board.
Details:
HX8357D
Width: 320
Height: 480
SPI Mode: 0
SPI Frequency: 42000000
SPI Chip Select: SPI_CS_0
DC GPIO: GPIO_PIN_25 (Pull: GPIO_PULL_NONE)
RST GPIO: GPIO_PIN_UNKNOWN
Backlight GPIO:
GPIO_PIN_2 (STMPE GPIO)
GPIO_PIN_18 (PWM)
STMPE
Chip: STMPE_CHIP_610
SPI Mode: 0
SPI Frequency: 500000
SPI Chip Select: SPI_CS_1
IRQ GPIO: GPIO_PIN_24 (Trigger: GPIO_TRIGGER_FALLING)(Pull: GPIO_PULL_UP)
Constants
PITFT35_*
PITFT35_LCD_*
Type definitions
PiTFT35 specific types
Public variables
PiTFT35 specific variables
PITFT35_SPI_DEVICE:String = 'SPI0';
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PITFT35_LCD_CHIPSELECT:Word = SPI_CS_0;
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PITFT35_TOUCH_CHIPSELECT:Word = SPI_CS_1;
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PITFT35_BL_PWM_ENABLE:LongBool = True;
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Function declarations
Initialization functions
function PiTFT35Start(Rotation:LongWord; const Device:String; DisplaySelect,TouchSelect:Word):THandle;
function PiTFT35Stop(Handle:THandle):Boolean;
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