matc/clusters/codec/
flow_measurement.rs

1//! Generated Matter TLV encoders and decoders for Flow Measurement Cluster
2//! Cluster ID: 0x0404
3//! 
4//! This file is automatically generated from FlowMeasurement.xml
5
6use crate::tlv;
7use anyhow;
8use serde_json;
9
10
11// Attribute decoders
12
13/// Decode MeasuredValue attribute (0x0000)
14pub fn decode_measured_value(inp: &tlv::TlvItemValue) -> anyhow::Result<Option<u16>> {
15    if let tlv::TlvItemValue::Int(v) = inp {
16        Ok(Some(*v as u16))
17    } else {
18        Ok(None)
19    }
20}
21
22/// Decode MinMeasuredValue attribute (0x0001)
23pub fn decode_min_measured_value(inp: &tlv::TlvItemValue) -> anyhow::Result<Option<u16>> {
24    if let tlv::TlvItemValue::Int(v) = inp {
25        Ok(Some(*v as u16))
26    } else {
27        Ok(None)
28    }
29}
30
31/// Decode MaxMeasuredValue attribute (0x0002)
32pub fn decode_max_measured_value(inp: &tlv::TlvItemValue) -> anyhow::Result<Option<u16>> {
33    if let tlv::TlvItemValue::Int(v) = inp {
34        Ok(Some(*v as u16))
35    } else {
36        Ok(None)
37    }
38}
39
40/// Decode Tolerance attribute (0x0003)
41pub fn decode_tolerance(inp: &tlv::TlvItemValue) -> anyhow::Result<u16> {
42    if let tlv::TlvItemValue::Int(v) = inp {
43        Ok(*v as u16)
44    } else {
45        Err(anyhow::anyhow!("Expected Integer"))
46    }
47}
48
49
50// JSON dispatcher function
51
52/// Decode attribute value and return as JSON string
53/// 
54/// # Parameters
55/// * `cluster_id` - The cluster identifier
56/// * `attribute_id` - The attribute identifier
57/// * `tlv_value` - The TLV value to decode
58/// 
59/// # Returns
60/// JSON string representation of the decoded value or error
61pub fn decode_attribute_json(cluster_id: u32, attribute_id: u32, tlv_value: &crate::tlv::TlvItemValue) -> String {
62    // Verify this is the correct cluster
63    if cluster_id != 0x0404 {
64        return format!("{{\"error\": \"Invalid cluster ID. Expected 0x0404, got {}\"}}", cluster_id);
65    }
66    
67    match attribute_id {
68        0x0000 => {
69            match decode_measured_value(tlv_value) {
70                Ok(value) => serde_json::to_string(&value).unwrap_or_else(|_| "null".to_string()),
71                Err(e) => format!("{{\"error\": \"{}\"}}", e),
72            }
73        }
74        0x0001 => {
75            match decode_min_measured_value(tlv_value) {
76                Ok(value) => serde_json::to_string(&value).unwrap_or_else(|_| "null".to_string()),
77                Err(e) => format!("{{\"error\": \"{}\"}}", e),
78            }
79        }
80        0x0002 => {
81            match decode_max_measured_value(tlv_value) {
82                Ok(value) => serde_json::to_string(&value).unwrap_or_else(|_| "null".to_string()),
83                Err(e) => format!("{{\"error\": \"{}\"}}", e),
84            }
85        }
86        0x0003 => {
87            match decode_tolerance(tlv_value) {
88                Ok(value) => serde_json::to_string(&value).unwrap_or_else(|_| "null".to_string()),
89                Err(e) => format!("{{\"error\": \"{}\"}}", e),
90            }
91        }
92        _ => format!("{{\"error\": \"Unknown attribute ID: {}\"}}", attribute_id),
93    }
94}
95
96/// Get list of all attributes supported by this cluster
97/// 
98/// # Returns
99/// Vector of tuples containing (attribute_id, attribute_name)
100pub fn get_attribute_list() -> Vec<(u32, &'static str)> {
101    vec![
102        (0x0000, "MeasuredValue"),
103        (0x0001, "MinMeasuredValue"),
104        (0x0002, "MaxMeasuredValue"),
105        (0x0003, "Tolerance"),
106    ]
107}
108
matc/clusters/codec/flow_measurement.rs

matc/clusters/codec/
flow_measurement.rs
