m365 0.1.1

A lightweight rust library to receive BLE Xiaomi M365 scooter messages
Documentation 
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140

use core::fmt::Debug;
use uuid::Uuid;
use btleplug::api::ValueNotification;
use pretty_hex::*;

#[allow(non_camel_case_types)]
#[derive(Debug)]
pub enum Registers {
  /**
   * Universal Asynchronous Receiver and Transmitter
   */
  UART,
  TX,
  RX,
  AUTH,
  /**
   * Universal Plug and Play
   */
  UPNP,
  /**
   * Audio/video data transport protocol
   */
  AVDTP
}

impl Registers {
  pub fn to_uuid(&self) -> Uuid {
    let uuid = match self {
      Self::UART => "6e400001-b5a3-f393-e0a9-e50e24dcca9e",
      Self::TX => "6e400002-b5a3-f393-e0a9-e50e24dcca9e",
      Self::RX => "6e400003-b5a3-f393-e0a9-e50e24dcca9e",
      Self::AUTH => "0000fe95-0000-1000-8000-00805f9b34fb",
      Self::UPNP => "00000010-0000-1000-8000-00805f9b34fb",
      Self::AVDTP => "00000019-0000-1000-8000-00805f9b34fb",
    };

    Uuid::parse_str(uuid).expect("Invalid uuid for register")
  }
}

#[allow(non_camel_case_types)]
pub enum MiCommands {
  CMD_GET_INFO,
  CMD_SET_KEY,

  CMD_AUTH,
  CMD_LOGIN,

  CMD_SEND_DATA,
  CMD_SEND_DID,
  CMD_SEND_KEY,
  CMD_SEND_INFO,

  RCV_RDY,
  RCV_OK,

  RCV_AUTH_OK,
  RCV_AUTH_ERR,

  RCV_LOGIN_OK,
  RCV_LOGIN_ERR,
}

impl MiCommands {
  pub fn to_bytes(&self) -> Vec<u8> {
    match self {
      Self::CMD_GET_INFO => vec!(0xa2,0x00,0x00,0x00),
      Self::CMD_SET_KEY => vec!(0x15, 0x00, 0x00, 0x00),
      Self::CMD_SEND_DATA => vec!(0x00, 0x00, 0x00, 0x03, 0x04, 0x00),
      Self::CMD_SEND_DID => vec!(0x00, 0x00, 0x00, 0x00, 0x02, 0x00),
      Self::RCV_RDY => vec!(0x00, 0x00, 0x01, 0x01),
      Self::RCV_OK => vec!(0x00, 0x00, 0x01, 0x00),
      Self::CMD_AUTH => vec!(0x13, 0x00, 0x00, 0x00),
      Self::RCV_AUTH_OK => vec!(0x11, 0x00, 0x00, 0x00),
      Self::RCV_AUTH_ERR => vec!(0x12, 0x00, 0x00, 0x00),
      Self::RCV_LOGIN_OK => vec!(0x21, 0x00, 0x00, 0x00),
      Self::RCV_LOGIN_ERR => vec!(0x23, 0x00, 0x00, 0x00),
      Self::CMD_LOGIN => vec!(0x24, 0x00, 0x00, 0x00),
      Self::CMD_SEND_KEY => vec!(0x00, 0x00, 0x00, 0x0b, 0x01, 0x00),
      Self::CMD_SEND_INFO => vec!(0x00, 0x00, 0x00, 0x0a, 0x02, 0x00)
    }
  }
}

impl Debug for MiCommands {
  fn fmt(&self, fmt: &mut std::fmt::Formatter<'_>) -> std::result::Result<(), std::fmt::Error> {
    //TODO: make this DRY
    match self {
      Self::CMD_GET_INFO => write!(fmt, "CMD_GET_INFO {}", self.to_bytes().hex_dump()),
      Self::CMD_SET_KEY => write!(fmt, "CMD_SET_KEY {}", self.to_bytes().hex_dump()),
      Self::CMD_SEND_DATA => write!(fmt, "CMD_SEND_DATA {}", self.to_bytes().hex_dump()),
      Self::RCV_RDY => write!(fmt, "RCV_RDY {}", self.to_bytes().hex_dump()),
      Self::RCV_OK => write!(fmt, "RCV_OK {}", self.to_bytes().hex_dump()),
      Self::CMD_AUTH => write!(fmt, "CMD_AUTH {}", self.to_bytes().hex_dump()),
      Self::CMD_SEND_DID => write!(fmt, "CMD_SEND_DID {}", self.to_bytes().hex_dump()),
      Self::RCV_AUTH_OK => write!(fmt, "RCV_AUTH_OK {}", self.to_bytes().hex_dump()),
      Self::RCV_AUTH_ERR => write!(fmt, "RCV_AUTH_ERR {}", self.to_bytes().hex_dump()),
      Self::RCV_LOGIN_OK => write!(fmt, "RCV_LOGIN_OK {}", self.to_bytes().hex_dump()),
      Self::RCV_LOGIN_ERR => write!(fmt, "RCV_LOGIN_ERR {}", self.to_bytes().hex_dump()),
      Self::CMD_LOGIN => write!(fmt, "CMD_LOGIN {}", self.to_bytes().hex_dump()),
      Self::CMD_SEND_KEY => write!(fmt, "CMD_SEND_KEY {}", self.to_bytes().hex_dump()),
      Self::CMD_SEND_INFO => write!(fmt, "CMD_SEND_KEY {}", self.to_bytes().hex_dump()),
    }
  }
}

impl TryFrom<ValueNotification> for MiCommands {
  type Error = &'static str;
  fn try_from(data: ValueNotification) -> std::result::Result<Self, <Self as std::convert::TryFrom<ValueNotification>>::Error> {
    if data.value == Self::RCV_RDY.to_bytes() {
      return Ok(Self::RCV_RDY)
    }

    if data.value == Self::CMD_SEND_DATA.to_bytes() {
      return Ok(Self::CMD_SEND_DATA)
    }

    if data.value == Self::RCV_OK.to_bytes() {
      return Ok(Self::RCV_OK)
    }

    if data.value == Self::RCV_AUTH_OK.to_bytes() {
      return Ok(Self::RCV_AUTH_OK)
    }

    if data.value == Self::RCV_AUTH_ERR.to_bytes() {
      return Ok(Self::RCV_AUTH_ERR)
    }

    if data.value == Self::RCV_LOGIN_OK.to_bytes() {
      return Ok(Self::RCV_LOGIN_OK)
    }

    if data.value == Self::RCV_LOGIN_ERR.to_bytes() {
      return Ok(Self::RCV_LOGIN_ERR)
    }

    Err("This is not response")
  }
}