100 lines
2.1 KiB
C
100 lines
2.1 KiB
C
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/**
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* @file evdev.h
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*
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*/
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#ifndef EVDEV_H
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#define EVDEV_H
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#ifdef __cplusplus
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extern "C" {
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#endif
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/*-------------------------------------------------
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* Mouse or touchpad as evdev interface (for Linux based systems)
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*------------------------------------------------*/
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#ifndef USE_EVDEV
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# define USE_EVDEV 0
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#endif
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#ifndef USE_BSD_EVDEV
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# define USE_BSD_EVDEV 0
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#endif
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#ifndef USE_SENSOR
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# define USE_SENSOR 0
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#endif
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#ifndef USE_PSENSOR
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# define USE_PSENSOR 0
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#endif
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#if USE_EVDEV || USE_BSD_EVDEV
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# undef EVDEV_NAME
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# define EVDEV_NAME "/dev/input/event2" /*You can use the "evtest" Linux tool to get the list of devices and test them*/
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# define EVDEV_SWAP_AXES 0 /*Swap the x and y axes of the touchscreen*/
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# define DEFAULT_EVDEV_HOR_MIN 0
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# define DEFAULT_EVDEV_HOR_MAX 720
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# define DEFAULT_EVDEV_VER_MIN 0
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# define DEFAULT_EVDEV_VER_MAX 1280
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#endif /*USE_EVDEV*/
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#if USE_EVDEV || USE_BSD_EVDEV
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#include "lvgl.h"
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/*********************
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* DEFINES
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*********************/
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/**********************
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* TYPEDEFS
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**********************/
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/**********************
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* GLOBAL PROTOTYPES
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**********************/
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/**
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* Initialize the evdev
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*/
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int evdev_init(lv_disp_drv_t *drv, int rot);
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/**
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* reconfigure the device file for evdev
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* @param dev_name set the evdev device filename
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* @return true: the device file set complete
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* false: the device file doesn't exist current system
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*/
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int evdev_set_file(lv_disp_drv_t *drv, char *dev_name);
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/**
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* Get the current position and state of the evdev
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* @param data store the evdev data here
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* @return false: because the points are not buffered, so no more data to be read
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*/
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void evdev_read(lv_indev_drv_t *drv, lv_indev_data_t *data);
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#if USE_SENSOR
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int evdev_init_psensor(void);
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void *evdev_get_psensor(void);
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int evdev_init_lsensor(void);
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void *evdev_get_lsensor(void);
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void evdev_sensor_read(lv_indev_drv_t *drv, lv_indev_data_t *data);
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#endif
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/**********************
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* MACROS
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**********************/
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#endif /* USE_EVDEV */
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#ifdef __cplusplus
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} /* extern "C" */
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#endif
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#endif /* EVDEV_H */
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