ROGueENEMY/input_dev.h

158 lines
3.6 KiB
C

#pragma once
#include "message.h"
#include "settings.h"
#undef INCLUDE_INPUT_DEBUG
#undef IGNORE_INPUT_SCAN
#define MAX_COLLECTED_EVDEV_EVENTS 16
#define MAX_INPUT_DEVICES 8
typedef struct evdev_collected {
struct input_event ev[MAX_COLLECTED_EVDEV_EVENTS];
size_t ev_count;
} evdev_collected_t;
/**
* A function with this signature grapbs input_event data and sends to the pipe messages
* constructed from that data.
*/
typedef int (*ev_map)(
const dev_in_settings_t *const conf,
const evdev_collected_t *const e,
in_message_t *const messages,
size_t messages_len,
void* user_data
);
typedef void (*ev_timer)(
const dev_in_settings_t *const conf,
struct libevdev* evdev,
const char* const timer_name,
uint64_t expired,
void* user_data
);
typedef enum input_dev_type {
input_dev_type_uinput,
input_dev_type_iio,
input_dev_type_hidraw,
input_dev_type_timer,
} input_dev_type_t;
typedef struct hidraw_filters {
const int16_t pid;
const int16_t vid;
const uint32_t rdesc_size; // wc -c < /sys/class/hidraw/hidraw0/device/report_descriptor
} hidraw_filters_t;
typedef struct uinput_filters {
const char name[256];
} uinput_filters_t;
typedef struct iio_filters {
const char name[256];
} iio_filters_t;
typedef int (*hidraw_map)(
const dev_in_settings_t *const conf,
int hidraw_fd,
in_message_t *const messages,
size_t messages_len,
void* user_data
);
typedef int (*hidraw_set_leds)(
const dev_in_settings_t *const conf,
int hidraw_fd,
uint8_t r,
uint8_t g,
uint8_t b,
void* user_data
);
typedef int (*hidraw_rumble)(
const dev_in_settings_t *const conf,
int hidraw_fd,
uint8_t left_motor,
uint8_t right_motor,
void* user_data
);
typedef void (*hidraw_timer)(
const dev_in_settings_t *const conf,
int fd,
const char* const timer_name,
uint64_t expired,
void* user_data
);
typedef struct hidraw_callbacks {
hidraw_set_leds leds_callback;
hidraw_rumble rumble_callback;
hidraw_map map_callback;
hidraw_timer timeout_callback;
} hidraw_callbacks_t;
typedef struct iio_settings {
const char* const sampling_freq_hz;
int8_t post_matrix[3][3];
} iio_settings_t;
typedef int (*timer_map)(const dev_in_settings_t *const conf, int timer_fd, uint64_t expirations, in_message_t *const messages, size_t messages_len, void* user_data);
typedef struct timer_callbacks {
timer_map map_fn;
} timer_callbacks_t;
typedef struct ev_callbacks {
ev_map input_map_fn;
ev_timer timeout_callback;
} ev_callbacks_t;
typedef struct timer_filters {
char name[128];
uint64_t ticktime_ms;
uint64_t ticktime_ns;
} timer_filters_t;
typedef struct input_dev {
input_dev_type_t dev_type;
union {
uinput_filters_t ev;
iio_filters_t iio;
hidraw_filters_t hidraw;
timer_filters_t timer;
} filters;
void* user_data;
union input_dev_map {
iio_settings_t iio_settings;
ev_callbacks_t ev_callbacks;
hidraw_callbacks_t hidraw_callbacks;
timer_callbacks_t timer_callbacks;
} map;
} input_dev_t;
typedef int (*platform_init)(const dev_in_settings_t *const conf, void** platform_data);
typedef void (*platform_deinit)(const dev_in_settings_t *const conf, void** platform_data);
typedef int (*platform_leds)(const dev_in_settings_t *const conf, uint8_t r, uint8_t g, uint8_t b, void* platform_data);
typedef struct input_dev_composite {
const input_dev_t* dev[MAX_INPUT_DEVICES];
size_t dev_count;
platform_leds leds_fn;
platform_init init_fn;
platform_deinit deinit_fn;
} input_dev_composite_t;