matc/clusters/codec/
switch.rs

1//! Matter TLV encoders and decoders for Switch Cluster
2//! Cluster ID: 0x003B
3//!
4//! This file is automatically generated from Switch.xml
5
6use crate::tlv;
7use anyhow;
8use serde_json;
9
10
11// Attribute decoders
12
13/// Decode NumberOfPositions attribute (0x0000)
14pub fn decode_number_of_positions(inp: &tlv::TlvItemValue) -> anyhow::Result<u8> {
15    if let tlv::TlvItemValue::Int(v) = inp {
16        Ok(*v as u8)
17    } else {
18        Err(anyhow::anyhow!("Expected UInt8"))
19    }
20}
21
22/// Decode CurrentPosition attribute (0x0001)
23pub fn decode_current_position(inp: &tlv::TlvItemValue) -> anyhow::Result<u8> {
24    if let tlv::TlvItemValue::Int(v) = inp {
25        Ok(*v as u8)
26    } else {
27        Err(anyhow::anyhow!("Expected UInt8"))
28    }
29}
30
31/// Decode MultiPressMax attribute (0x0002)
32pub fn decode_multi_press_max(inp: &tlv::TlvItemValue) -> anyhow::Result<u8> {
33    if let tlv::TlvItemValue::Int(v) = inp {
34        Ok(*v as u8)
35    } else {
36        Err(anyhow::anyhow!("Expected UInt8"))
37    }
38}
39
40
41// JSON dispatcher function
42
43/// Decode attribute value and return as JSON string
44///
45/// # Parameters
46/// * `cluster_id` - The cluster identifier
47/// * `attribute_id` - The attribute identifier
48/// * `tlv_value` - The TLV value to decode
49///
50/// # Returns
51/// JSON string representation of the decoded value or error
52pub fn decode_attribute_json(cluster_id: u32, attribute_id: u32, tlv_value: &crate::tlv::TlvItemValue) -> String {
53    // Verify this is the correct cluster
54    if cluster_id != 0x003B {
55        return format!("{{\"error\": \"Invalid cluster ID. Expected 0x003B, got {}\"}}", cluster_id);
56    }
57
58    match attribute_id {
59        0x0000 => {
60            match decode_number_of_positions(tlv_value) {
61                Ok(value) => serde_json::to_string(&value).unwrap_or_else(|_| "null".to_string()),
62                Err(e) => format!("{{\"error\": \"{}\"}}", e),
63            }
64        }
65        0x0001 => {
66            match decode_current_position(tlv_value) {
67                Ok(value) => serde_json::to_string(&value).unwrap_or_else(|_| "null".to_string()),
68                Err(e) => format!("{{\"error\": \"{}\"}}", e),
69            }
70        }
71        0x0002 => {
72            match decode_multi_press_max(tlv_value) {
73                Ok(value) => serde_json::to_string(&value).unwrap_or_else(|_| "null".to_string()),
74                Err(e) => format!("{{\"error\": \"{}\"}}", e),
75            }
76        }
77        _ => format!("{{\"error\": \"Unknown attribute ID: {}\"}}", attribute_id),
78    }
79}
80
81/// Get list of all attributes supported by this cluster
82///
83/// # Returns
84/// Vector of tuples containing (attribute_id, attribute_name)
85pub fn get_attribute_list() -> Vec<(u32, &'static str)> {
86    vec![
87        (0x0000, "NumberOfPositions"),
88        (0x0001, "CurrentPosition"),
89        (0x0002, "MultiPressMax"),
90    ]
91}
92
93#[derive(Debug, serde::Serialize)]
94pub struct SwitchLatchedEvent {
95    pub new_position: Option<u8>,
96}
97
98#[derive(Debug, serde::Serialize)]
99pub struct InitialPressEvent {
100    pub new_position: Option<u8>,
101}
102
103#[derive(Debug, serde::Serialize)]
104pub struct LongPressEvent {
105    pub new_position: Option<u8>,
106}
107
108#[derive(Debug, serde::Serialize)]
109pub struct ShortReleaseEvent {
110    pub previous_position: Option<u8>,
111}
112
113#[derive(Debug, serde::Serialize)]
114pub struct LongReleaseEvent {
115    pub previous_position: Option<u8>,
116}
117
118#[derive(Debug, serde::Serialize)]
119pub struct MultiPressOngoingEvent {
120    pub new_position: Option<u8>,
121    pub current_number_of_presses_counted: Option<u8>,
122}
123
124#[derive(Debug, serde::Serialize)]
125pub struct MultiPressCompleteEvent {
126    pub previous_position: Option<u8>,
127    pub total_number_of_presses_counted: Option<u8>,
128}
129
130// Event decoders
131
132/// Decode SwitchLatched event (0x00, priority: info)
133pub fn decode_switch_latched_event(inp: &tlv::TlvItemValue) -> anyhow::Result<SwitchLatchedEvent> {
134    if let tlv::TlvItemValue::List(_fields) = inp {
135        let item = tlv::TlvItem { tag: 0, value: inp.clone() };
136        Ok(SwitchLatchedEvent {
137                                new_position: item.get_int(&[0]).map(|v| v as u8),
138        })
139    } else {
140        Err(anyhow::anyhow!("Expected struct fields"))
141    }
142}
143
144/// Decode InitialPress event (0x01, priority: info)
145pub fn decode_initial_press_event(inp: &tlv::TlvItemValue) -> anyhow::Result<InitialPressEvent> {
146    if let tlv::TlvItemValue::List(_fields) = inp {
147        let item = tlv::TlvItem { tag: 0, value: inp.clone() };
148        Ok(InitialPressEvent {
149                                new_position: item.get_int(&[0]).map(|v| v as u8),
150        })
151    } else {
152        Err(anyhow::anyhow!("Expected struct fields"))
153    }
154}
155
156/// Decode LongPress event (0x02, priority: info)
157pub fn decode_long_press_event(inp: &tlv::TlvItemValue) -> anyhow::Result<LongPressEvent> {
158    if let tlv::TlvItemValue::List(_fields) = inp {
159        let item = tlv::TlvItem { tag: 0, value: inp.clone() };
160        Ok(LongPressEvent {
161                                new_position: item.get_int(&[0]).map(|v| v as u8),
162        })
163    } else {
164        Err(anyhow::anyhow!("Expected struct fields"))
165    }
166}
167
168/// Decode ShortRelease event (0x03, priority: info)
169pub fn decode_short_release_event(inp: &tlv::TlvItemValue) -> anyhow::Result<ShortReleaseEvent> {
170    if let tlv::TlvItemValue::List(_fields) = inp {
171        let item = tlv::TlvItem { tag: 0, value: inp.clone() };
172        Ok(ShortReleaseEvent {
173                                previous_position: item.get_int(&[0]).map(|v| v as u8),
174        })
175    } else {
176        Err(anyhow::anyhow!("Expected struct fields"))
177    }
178}
179
180/// Decode LongRelease event (0x04, priority: info)
181pub fn decode_long_release_event(inp: &tlv::TlvItemValue) -> anyhow::Result<LongReleaseEvent> {
182    if let tlv::TlvItemValue::List(_fields) = inp {
183        let item = tlv::TlvItem { tag: 0, value: inp.clone() };
184        Ok(LongReleaseEvent {
185                                previous_position: item.get_int(&[0]).map(|v| v as u8),
186        })
187    } else {
188        Err(anyhow::anyhow!("Expected struct fields"))
189    }
190}
191
192/// Decode MultiPressOngoing event (0x05, priority: info)
193pub fn decode_multi_press_ongoing_event(inp: &tlv::TlvItemValue) -> anyhow::Result<MultiPressOngoingEvent> {
194    if let tlv::TlvItemValue::List(_fields) = inp {
195        let item = tlv::TlvItem { tag: 0, value: inp.clone() };
196        Ok(MultiPressOngoingEvent {
197                                new_position: item.get_int(&[0]).map(|v| v as u8),
198                                current_number_of_presses_counted: item.get_int(&[1]).map(|v| v as u8),
199        })
200    } else {
201        Err(anyhow::anyhow!("Expected struct fields"))
202    }
203}
204
205/// Decode MultiPressComplete event (0x06, priority: info)
206pub fn decode_multi_press_complete_event(inp: &tlv::TlvItemValue) -> anyhow::Result<MultiPressCompleteEvent> {
207    if let tlv::TlvItemValue::List(_fields) = inp {
208        let item = tlv::TlvItem { tag: 0, value: inp.clone() };
209        Ok(MultiPressCompleteEvent {
210                                previous_position: item.get_int(&[0]).map(|v| v as u8),
211                                total_number_of_presses_counted: item.get_int(&[1]).map(|v| v as u8),
212        })
213    } else {
214        Err(anyhow::anyhow!("Expected struct fields"))
215    }
216}
217
matc/clusters/codec/switch.rs

matc/clusters/codec/
switch.rs
