mirror of
https://github.com/stupidcomputer/jsfw.git
synced 2024-12-26 21:42:23 -06:00
112 lines
2.5 KiB
C
112 lines
2.5 KiB
C
// vi:ft=c
|
|
#ifndef NET_H_
|
|
#define NET_H_
|
|
#include "util.h"
|
|
|
|
#include <linux/input-event-codes.h>
|
|
#include <stdint.h>
|
|
#include <stdlib.h>
|
|
|
|
#define MAGIC_TYPE uint32_t
|
|
#define MAGIC_SIZE sizeof(MAGIC_TYPE)
|
|
static const MAGIC_TYPE MAGIC_BEG = 0xDEADCAFE;
|
|
static const MAGIC_TYPE MAGIC_END = 0xCAFEDEAD;
|
|
|
|
typedef enum {
|
|
NoMessage = 0,
|
|
DeviceInfo = 1,
|
|
DeviceReport = 2,
|
|
DeviceDestroy = 3,
|
|
ControllerState = 4,
|
|
Request = 5,
|
|
} MessageCode;
|
|
|
|
// Alignment 4
|
|
typedef struct {
|
|
MessageCode code;
|
|
// + 1 byte of padding
|
|
|
|
uint16_t index;
|
|
|
|
uint16_t abs_count;
|
|
uint16_t rel_count;
|
|
uint16_t key_count;
|
|
|
|
uint16_t abs_id[ABS_CNT];
|
|
// + 2 bytes of padding per abs
|
|
uint32_t abs_min[ABS_CNT];
|
|
uint32_t abs_max[ABS_CNT];
|
|
uint32_t abs_fuzz[ABS_CNT];
|
|
uint32_t abs_flat[ABS_CNT];
|
|
uint32_t abs_res[ABS_CNT];
|
|
|
|
uint16_t rel_id[REL_CNT];
|
|
|
|
uint16_t key_id[KEY_CNT];
|
|
} MessageDeviceInfo;
|
|
#define MSS_DEVICE_INFO(abs, rel, key) (10 + abs * 24 + rel * 2 + key * 2 + 1)
|
|
// MSS -> Message Serialized Size:
|
|
// Size of the data of the message when serialized (no alignment / padding)
|
|
|
|
// 4 aligned
|
|
typedef struct {
|
|
MessageCode code;
|
|
// + 1 byte of padding
|
|
uint16_t index;
|
|
|
|
uint16_t abs_count;
|
|
uint16_t rel_count;
|
|
uint16_t key_count;
|
|
|
|
uint32_t abs[ABS_CNT];
|
|
uint32_t rel[REL_CNT];
|
|
uint8_t key[KEY_CNT];
|
|
} MessageDeviceReport;
|
|
#define MSS_DEVICE_REPORT(abs, rel, key) (11 + abs * 4 + rel * 4 + align_4(key))
|
|
|
|
// 1 aligned
|
|
typedef struct {
|
|
MessageCode code;
|
|
// + 1 byte of padding
|
|
|
|
uint16_t index;
|
|
uint8_t led[3];
|
|
uint8_t small_rumble;
|
|
uint8_t big_rumble;
|
|
uint8_t flash_on;
|
|
uint8_t flash_off;
|
|
} MessageControllerState;
|
|
#define MSS_CONTROLLER_STATE 10
|
|
|
|
typedef struct {
|
|
MessageCode code;
|
|
|
|
char **requests;
|
|
uint16_t request_count;
|
|
} MessageRequest;
|
|
#define MSS_REQUEST(count) (2 + 2 * count)
|
|
|
|
typedef struct {
|
|
MessageCode code;
|
|
// + 1 byte of padding
|
|
|
|
uint16_t index;
|
|
} MessageDestroy;
|
|
#define MSS_DESTROY 3
|
|
|
|
typedef union {
|
|
MessageCode code;
|
|
MessageRequest request;
|
|
MessageDestroy destroy;
|
|
MessageDeviceInfo device_info;
|
|
MessageDeviceReport device_report;
|
|
MessageControllerState controller_state;
|
|
} Message;
|
|
|
|
int msg_deserialize(const uint8_t *buf, size_t len, Message *restrict dst);
|
|
int msg_serialize(uint8_t *restrict buf, size_t len, const Message *msg);
|
|
void msg_free(Message *msg);
|
|
void print_message_buffer(const uint8_t *buf, int len);
|
|
|
|
#endif
|