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
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166

use alloc::vec;
use core::convert::TryInto;

use crate::convert_packet::{ConvertPacket, ConvertPacketError};
use crate::event::event_code::*;
use crate::event::EventError;
use crate::packet::Packet;
use crate::protocol::BROADCAST_ADDRESS;

#[derive(Debug, PartialEq)]
pub struct ProgrammerHelloEvent {
    pub programmer_address: u16,
}

impl ConvertPacket<ProgrammerHelloEvent> for ProgrammerHelloEvent {
    fn try_from_packet(packet: &Packet) -> Result<Self, ConvertPacketError> {
        if packet.data.len() != 4 {
            return Err(ConvertPacketError::WrongSize);
        }

        if packet.is_error {
            return Err(ConvertPacketError::WrongType);
        }

        if u16::from_be_bytes(packet.data[0..=1].try_into().unwrap()) != PROGRAMMER_HELLO_EVENT_CODE
        {
            return Err(ConvertPacketError::Event(EventError::WrongEventType));
        }

        let programmer_address = u16::from_be_bytes(packet.data[2..=3].try_into().unwrap());

        Ok(ProgrammerHelloEvent { programmer_address })
    }

    fn to_packet(&self) -> Packet {
        let mut data = vec![];

        for byte in u16::to_be_bytes(PROGRAMMER_HELLO_EVENT_CODE).iter() {
            data.push(*byte);
        }

        for byte in u16::to_be_bytes(self.programmer_address).iter() {
            data.push(*byte);
        }

        Packet {
            is_error: false,
            device_address: BROADCAST_ADDRESS,
            data,
        }
    }
}

#[derive(Debug, PartialEq)]
pub struct ProgrammerStartFirmwareUpgradeEvent {
    pub receiver_address: u16,
    pub programmer_address: u16,
    pub firmware_size: u32,
}

impl ConvertPacket<ProgrammerStartFirmwareUpgradeEvent> for ProgrammerStartFirmwareUpgradeEvent {
    fn try_from_packet(packet: &Packet) -> Result<Self, ConvertPacketError> {
        if packet.data.len() != 8 {
            return Err(ConvertPacketError::WrongSize);
        }

        if packet.is_error {
            return Err(ConvertPacketError::WrongType);
        }

        if u16::from_be_bytes(packet.data[0..=1].try_into().unwrap())
            != PROGRAMMER_START_FIRMWARE_UPGRADE_EVENT_CODE
        {
            return Err(ConvertPacketError::Event(EventError::WrongEventType));
        }

        let receiver_address = packet.device_address;
        let programmer_address = u16::from_be_bytes(packet.data[2..=3].try_into().unwrap());
        let firmware_size = u32::from_be_bytes(packet.data[4..=7].try_into().unwrap());

        Ok(ProgrammerStartFirmwareUpgradeEvent {
            receiver_address,
            programmer_address,
            firmware_size,
        })
    }

    fn to_packet(&self) -> Packet {
        let mut data = vec![];

        for byte in u16::to_be_bytes(PROGRAMMER_START_FIRMWARE_UPGRADE_EVENT_CODE).iter() {
            data.push(*byte);
        }

        for byte in u16::to_be_bytes(self.programmer_address).iter() {
            data.push(*byte);
        }

        for byte in u32::to_be_bytes(self.firmware_size).iter() {
            data.push(*byte);
        }

        Packet {
            is_error: false,
            device_address: self.receiver_address,
            data,
        }
    }
}

#[derive(Debug, PartialEq)]
pub struct ProgrammerStartConfigUpgradeEvent {
    pub receiver_address: u16,
    pub programmer_address: u16,
    pub config_size: u32,
}

impl ConvertPacket<ProgrammerStartConfigUpgradeEvent> for ProgrammerStartConfigUpgradeEvent {
    fn try_from_packet(packet: &Packet) -> Result<Self, ConvertPacketError> {
        if packet.data.len() != 8 {
            return Err(ConvertPacketError::WrongSize);
        }

        if packet.is_error {
            return Err(ConvertPacketError::WrongType);
        }

        if u16::from_be_bytes(packet.data[0..=1].try_into().unwrap())
            != PROGRAMMER_START_CONFIG_UPGRADE_EVENT_CODE
        {
            return Err(ConvertPacketError::Event(EventError::WrongEventType));
        }

        let receiver_address = packet.device_address;
        let programmer_address = u16::from_be_bytes(packet.data[2..=3].try_into().unwrap());
        let config_size = u32::from_be_bytes(packet.data[4..=7].try_into().unwrap());

        Ok(ProgrammerStartConfigUpgradeEvent {
            receiver_address,
            programmer_address,
            config_size,
        })
    }

    fn to_packet(&self) -> Packet {
        let mut data = vec![];

        for byte in u16::to_be_bytes(PROGRAMMER_START_CONFIG_UPGRADE_EVENT_CODE).iter() {
            data.push(*byte);
        }

        for byte in u16::to_be_bytes(self.programmer_address).iter() {
            data.push(*byte);
        }

        for byte in u32::to_be_bytes(self.config_size).iter() {
            data.push(*byte);
        }

        Packet {
            is_error: false,
            device_address: self.receiver_address,
            data,
        }
    }
}