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Matheus
101 lines
2.5 KiB
C
101 lines
2.5 KiB
C
#ifndef _USB_HID_H
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#define _USB_HID_H
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#include <stdint.h>
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#include <stddef.h>
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#include <kernel/input.h>
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#define HID_USAGE_PAGE_GENERIC_DESKTOP 0x01
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#define HID_USAGE_PAGE_SIMULATION 0x02
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#define HID_USAGE_PAGE_VR 0x03
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#define HID_USAGE_PAGE_SPORT 0x04
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#define HID_USAGE_PAGE_GAME 0x05
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#define HID_USAGE_PAGE_GENERIC_DEVICE 0x06
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#define HID_USAGE_PAGE_KEYBOARD_KEYPAD 0x07
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#define HID_USAGE_PAGE_LED 0x08
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#define HID_USAGE_PAGE_BUTTON 0x09
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#define HID_USAGE_PAGE_ORDINAL 0x0a
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#define HID_USAGE_PAGE_TELEPHONY 0x0b
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#define HID_USAGE_PAGE_CONSUMER 0x0c
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#define HID_USAGE_PAGE_DIGITIZER 0x0d
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#define HID_USAGE_PAGE_PID 0x0f
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#define HID_USAGE_PAGE_UNICODE 0x10
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#define HID_USAGE_PAGE_SENSOR 0x20
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#define HID_USAGE_PAGE_VENDOR_MIN 0xff00
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#define HID_USAGE_PAGE_VENDOR_MAX 0xffff
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#define HID_GD_POINTER 0x01
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#define HID_GD_MOUSE 0x02
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#define HID_GD_JOYSTICK 0x04
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#define HID_GD_GAMEPAD 0x05
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#define HID_GD_KEYBOARD 0x06
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#define HID_GD_KEYPAD 0x07
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#define HID_GD_MULTI_AXIS_CONTROLLER 0x08
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typedef struct {
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uint32_t usage;
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uint32_t minimum;
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uint32_t maximum;
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} hid_usage_t;
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#define USAGE_PAGE(x) (((x) >> 16) & 0xffff)
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#define USAGE(x) ((x) & 0xffff)
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#define HID_INPUT_CONSTANT (1u << 0)
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#define HID_INPUT_VARIABLE (1u << 1)
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#define HID_INPUT_RELATIVE (1u << 2)
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#define HID_INPUT_WRAP (1u << 3)
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#define HID_INPUT_NON_LINEAR (1u << 4)
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#define HID_INPUT_NO_PREFERRED (1u << 5)
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#define HID_INPUT_NULL_STATE (1u << 6)
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#define HID_INPUT_VOLATILE (1u << 7)
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#define HID_INPUT_BUFFERED_BYTES (1u << 8)
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typedef struct {
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unsigned int application_id;
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hid_usage_t *usages;
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size_t usage_count;
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long logical_maximum;
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long logical_minimum;
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uint16_t flags;
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size_t bit_offset;
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size_t bit_size;
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size_t count;
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} hid_input_t;
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typedef struct {
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unsigned int report_id;
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hid_input_t *inputs;
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size_t input_count;
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size_t bit_size;
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} hid_report_t;
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typedef struct {
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uint32_t usage;
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input_device_t *input_device;
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uint64_t pressed_keys[4];
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uint64_t pressed_buttons;
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} hid_application_t;
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typedef struct {
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union {
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hid_report_t *reports;
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hid_input_t *inputs;
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};
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size_t report_count;
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size_t input_count;
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size_t input_bit_size;
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hid_application_t *applications;
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size_t application_count;
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} hid_parser_t;
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int hid_parser_init(hid_parser_t *parser, void *data, size_t size);
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hid_report_t *hid_get_report_from_id(hid_parser_t *parser, unsigned int report_id);
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void hid_parse_report(hid_parser_t *parser, hid_report_t *report, uint8_t *data, size_t size);
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void hid_advertise_events(hid_parser_t *parser);
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#endif
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