Skip to content

Add Eufy T9146 decoder #679

New issue

Have a question about this project? Sign up for a free GitHub account to open an issue and contact its maintainers and the community.

Sign up for GitHub

By clicking “Sign up for GitHub”, you agree to our terms of service and privacy statement. We’ll occasionally send you account related emails.

Already on GitHub? Sign in to your account

Draft
wants to merge 2 commits into
base: development
Choose a base branch
from
Draft

Add Eufy T9146 decoder #679

Show file tree
Hide file tree
Changes from all commits
Commits
Show all changes
2 commits
Select commit Hold shift + click to select a range
204a859
Add Eufy T9146 decoder
lachesis Oct 29, 2025
fafd973
Just kidding, it works now
lachesis Oct 29, 2025
File filter

Filter by extension

Filter by extension
Conversations
Failed to load comments.
Loading
Jump to
Jump to file
Failed to load files.
Loading
Diff view
Diff view
2 changes: 2 additions & 0 deletions src/devices.h
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -139,6 +139,7 @@
#include "devices/SBHT_003C_json.h"
#include "devices/SBHT_003C_ENCR_json.h"
#include "devices/VCH6003_json.h"
#include "devices/T9146_json.h"


const char* _devices[][2] = {
Expand Down Expand Up @@ -289,4 +290,5 @@ const char* _devices[][2] = {
{_SBHT_003C_json, _SBHT_003C_json_props},
{_SBHT_003C_ENCR_json, _SBHT_003C_ENCR_json_props},
{_VCH6003_json, _VCH6003_json_props},
{_T9146_json, _T9146_json_props},
};
45 changes: 45 additions & 0 deletions src/devices/T9146_json.h
View file
Open in desktop
Original file line number Diff line number Diff line change
@@ -0,0 +1,45 @@
const char* _T9146_json = "{\"brand\":\"eufy\",\"model\":\"Smart Scale C1\",\"model_id\":\"T9146\",\"tag\":\"05\",\"condition\":[\"manufacturerdata\",\"index\",0,\"cfe50c\",\"&\",\"name\",\"contain\",\"eufy T9146\"],\"properties\":{\"weighing_mode\":{\"decoder\":[\"static_value\",\"person\"]},\"unit\":{\"decoder\":[\"static_value\",\"kg\"]},\"weight\":{\"decoder\":[\"value_from_hex_data\",\"manufacturerdata\",18,4,true,false],\"post_proc\":[\"/\",100]}}}";
/*R""""(
{
"brand":"eufy",
"model":"Smart Scale C1",
"model_id":"T9146",
"tag":"05",
"condition":["manufacturerdata", "index", 0, "cf", "manufacturerdata", "index", 12, "cf", "&", "name", "contain", "eufy T9146"],
"properties":{
"weighing_mode":{
"decoder":["static_value", "person"]
},
"unit":{
"decoder":["static_value", "kg"]
},
"weight":{
"decoder":["value_from_hex_data", "manufacturerdata", 18, 4, true, false],
"post_proc":["/", 100]
}
}
})"""";*/
// manufacturerdata starts with the mac address (6 bytes / 12 hex chars)
// then constant "cf" plus 13 more bytes / 26 more chars
// total length is 40 chars / 20 bytes
// weight is encoded in hex char position 18 to 22, little endian, as 100ths of kg
// for example, cfe50c0301eccfa2128c232624540100874a9146 => 8c23 => 0x238c => 91.00 kg

const char* _T9146_json_props = "{\"properties\":{\"weighing_mode\":{\"unit\":\"string\",\"name\":\"weighing_mode\"},\"unit\":{\"unit\":\"string\",\"name\":\"unit\"},\"weight\":{\"unit\":\"kg\",\"name\":\"weight\"}}}";
/*R""""(
{
"properties":{
"weighing_mode":{
"unit":"string",
"name":"weighing_mode"
},
"unit":{
"unit":"string",
"name":"unit"
},
"weight":{
"unit":"kg",
"name":"weight"
}
}
})"""";*/
10 changes: 9 additions & 1 deletion tests/python_ble/decoder_test.py
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -4,6 +4,14 @@
import json

x = {"servicedata":"712098004a63b6658d7cc40d071003f32600"}
x = {
"id": "CF:E5:0C:03:01:EC",
"mac_type": 0,
"adv_type": 0,
"name": "eufy T9146",
"manufacturerdata": "cfe50c0301eccfa2128c232624540100874a9146",
"rssi": -61
}
z = dble(json.dumps(x))
print(z, "\n")

Expand All @@ -16,4 +24,4 @@
y = {}
z = dble(json.dumps(y))
print("decoder result (None expected): ", z)
print("Done")
print("Done")
Loading