mirror of
https://github.com/ByteWelder/Tactility.git
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15de4e20b8
- Expose HAL Configuration's `UiScale` - Updated docs - Fix for `tt_timer_alloc()` - Changed `enum class` to regular C `enum` - Renamed enums (add prefix) - Include `<stdbool.h>` where needed
49 lines
1.5 KiB
C
49 lines
1.5 KiB
C
#pragma once
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#include "tt_hal_device.h"
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#include <stdbool.h>
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#ifdef __cplusplus
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extern "C" {
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#endif
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typedef void* TouchDriverHandle;
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/**
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* Check if the touch driver interface is supported for this device.
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* @param[in] touchDeviceId the identifier of the touch device
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* @return true if the driver is supported.
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*/
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bool tt_hal_touch_driver_supported(DeviceId touchDeviceId);
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/**
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* Allocate a driver object for the specified touchDeviceId.
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* @warning check whether the driver is supported by calling tt_hal_touch_driver_supported() first
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* @param[in] touchDeviceId the identifier of the touch device
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* @return the driver handle
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*/
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TouchDriverHandle tt_hal_touch_driver_alloc(DeviceId touchDeviceId);
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/**
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* Free the memory for the touch driver.
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* @param[in] handle the touch driver handle
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*/
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void tt_hal_touch_driver_free(TouchDriverHandle handle);
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/**
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* Get the coordinates for the currently touched points on the screen.
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*
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* @param[in] handle the touch driver handle
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* @param[in] x array of X coordinates
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* @param[in] y array of Y coordinates
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* @param[in] strength array of strengths (with the minimum size of maxPointCount) or NULL
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* @param[in] pointCount the number of points currently touched on the screen
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* @param[in] maxPointCount the maximum number of points that can be touched at once
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*
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* @return true when touched and coordinates are available
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*/
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bool tt_hal_touch_driver_get_touched_points(TouchDriverHandle handle, uint16_t* x, uint16_t* y, uint16_t* strength, uint8_t* pointCount, uint8_t maxPointCount);
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#ifdef __cplusplus
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}
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#endif
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