36 lines
1.0 KiB
C
36 lines
1.0 KiB
C
/* vim: set ai et ts=4 sw=4: */
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#ifndef __ILI9341_TOUCH_H__
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#define __ILI9341_TOUCH_H__
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#include <stdbool.h>
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#include "stm32f4xx_hal.h"
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/*** Redefine if necessary ***/
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// Warning! Use SPI bus with < 1.3 Mbit speed, better ~650 Kbit to be save.
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#define ILI9341_TOUCH_SPI_PORT hspi2
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extern SPI_HandleTypeDef ILI9341_TOUCH_SPI_PORT;
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#define ILI9341_TOUCH_IRQ_Pin GPIO_PIN_5
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#define ILI9341_TOUCH_IRQ_GPIO_Port GPIOB
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#define ILI9341_TOUCH_CS_Pin GPIO_PIN_6
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#define ILI9341_TOUCH_CS_GPIO_Port GPIOB
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// change depending on screen orientation
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#define ILI9341_TOUCH_SCALE_X 240
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#define ILI9341_TOUCH_SCALE_Y 320
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// to calibrate uncomment UART_Printf line in ili9341_touch.c
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#define ILI9341_TOUCH_MIN_RAW_X 1500
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#define ILI9341_TOUCH_MAX_RAW_X 31000
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#define ILI9341_TOUCH_MIN_RAW_Y 3276
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#define ILI9341_TOUCH_MAX_RAW_Y 30110
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// call before initializing any SPI devices
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void ILI9341_TouchUnselect();
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bool ILI9341_TouchPressed();
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bool ILI9341_TouchGetCoordinates(uint16_t* x, uint16_t* y);
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#endif // __ILI9341_TOUCH_H__
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