Fix 3.5" gauge readout centering so value+unit stay aligned as digits change.

Also finish cyd_35r touch path (GT911) and refresh archived 35r firmware bins.

Co-authored-by: Cursor <cursoragent@cursor.com>

firmware/README.md

@@ -1,17 +1,19 @@
 # 预编译固件（可随时刷写）
 
-当前归档目录：[`cyd_28r/`](cyd_28r/)
+| 目录 | 板子 |
+|------|------|
+| [`cyd_28r/`](cyd_28r/) | CYD ESP32-2432S028R（2.8" ILI9341），DHT11 → GPIO22 |
+| [`cyd_35r/`](cyd_35r/) | CYD ESP32-3248S035（3.5" ST7796 + GT911），DHT11 → GPIO22 |
 
-对应板子：**CYD ESP32-2432S028R**（ILI9341），DHT11 → GPIO22。  
-版本信息见 [`cyd_28r/VERSION.txt`](cyd_28r/VERSION.txt)。
+版本信息见各目录 `VERSION.txt`。
 
 ## 直接刷写（无需重新编译）
 
 1. USB 连接板子  
-2. 在本目录执行：
+2. 进入对应目录执行：
 
 ```powershell
-cd firmware\cyd_28r
+cd firmware\cyd_28r   # 或 cyd_35r
 .\flash.ps1
 # 或指定端口
 .\flash.ps1 -Port COM3
@@ -41,6 +43,8 @@ esptool.py --chip esp32 --port COM3 --baud 921600 write_flash -z ^
 
 ```powershell
 .\firmware\export_from_build.ps1
+.\firmware\export_from_build.ps1 -Env cyd_35r
 # 仅复制、不编译：
 .\firmware\export_from_build.ps1 -SkipBuild
+.\firmware\export_from_build.ps1 -Env cyd_35r -SkipBuild
 ```

firmware/cyd_35r/VERSION.txt

@@ -0,0 +1,15 @@
+name: CYD temperature (cyd_35r)
+git: de177b2
+date: 2026-10-25
+board: ESP32-3248S035 (ST7796)
+flash_size: 4MB
+offsets:
+  0x1000  bootloader.bin
+  0x8000  partitions.bin
+  0xe000  boot_app0.bin
+  0x10000 firmware.bin
+sha256:
+  bootloader.bin  3D234A7471F67B013686DABD4DEE7C1FA915C9928463616A94BC9297ACF1ABF8
+  boot_app0.bin   F94C5D786A7A8FAB06AC5D10E33BF37711A6697636DC037559EA19CC410A17F0
+  firmware.bin    A8033223DDE79874B4CA41AFE3DBB247938184123FB66BCAA6EAF7F5C1D32516
+  partitions.bin  0A8B5720E7B77FF11F1462458C3A509DEE79224E5279898F26D6A2E3AE0517B7

firmware/cyd_35r/flash.bat

@@ -0,0 +1,5 @@
+@echo off
+setlocal
+cd /d "%~dp0"
+powershell -NoProfile -ExecutionPolicy Bypass -File "%~dp0flash.ps1" %*
+exit /b %ERRORLEVEL%

firmware/cyd_35r/flash.ps1

@@ -0,0 +1,84 @@
+# Flash archived CYD climate firmware (no rebuild needed)
+# Usage:
+#   .\flash.ps1
+#   .\flash.ps1 -Port COM5
+#   .\flash.ps1 -Port COM5 -Baud 460800
+
+param(
+  [string]$Port = "",
+  [int]$Baud = 921600
+)
+
+$ErrorActionPreference = "Stop"
+$here = Split-Path -Parent $MyInvocation.MyCommand.Path
+Set-Location $here
+
+function Find-Esptool {
+  $pio = Get-Command pio -ErrorAction SilentlyContinue
+  if ($pio) {
+    $pkg = Join-Path $env:USERPROFILE ".platformio\packages\tool-esptoolpy\esptool.py"
+    if (Test-Path $pkg) { return @{ Kind = "py"; Path = $pkg } }
+  }
+  $py = Get-Command python -ErrorAction SilentlyContinue
+  if ($py) {
+    try {
+      & python -c "import esptool" 2>$null
+      if ($LASTEXITCODE -eq 0) { return @{ Kind = "mod"; Path = "esptool" } }
+    } catch {}
+  }
+  $esp = Get-Command esptool.py -ErrorAction SilentlyContinue
+  if ($esp) { return @{ Kind = "py"; Path = $esp.Source } }
+  return $null
+}
+
+if (-not $Port) {
+  $ports = @()
+  try {
+    Add-Type -AssemblyName System.IO.Ports -ErrorAction SilentlyContinue | Out-Null
+    $ports = [System.IO.Ports.SerialPort]::GetPortNames() | Sort-Object
+  } catch {}
+  if (-not $ports -or $ports.Count -eq 0) {
+    $ports = Get-CimInstance Win32_SerialPort -ErrorAction SilentlyContinue |
+      Select-Object -ExpandProperty DeviceID | Sort-Object
+  }
+  if (-not $ports -or $ports.Count -eq 0) {
+    Write-Error "No serial ports found. Plug in the CYD USB cable, then retry with -Port COMx"
+  }
+  if ($ports.Count -eq 1) {
+    $Port = $ports[0]
+  } else {
+    Write-Host "Available ports: $($ports -join ', ')"
+    $Port = $ports[-1]
+    Write-Host "Using last port: $Port (override with -Port)"
+  }
+}
+
+$tool = Find-Esptool
+if (-not $tool) {
+  Write-Error "esptool not found. Install PlatformIO (`pio`) or: pip install esptool"
+}
+
+$argsCommon = @(
+  "--chip", "esp32",
+  "--port", $Port,
+  "--baud", "$Baud",
+  "--before", "default_reset",
+  "--after", "hard_reset",
+  "write_flash", "-z",
+  "--flash_mode", "dio",
+  "--flash_freq", "40m",
+  "--flash_size", "4MB",
+  "0x1000", "bootloader.bin",
+  "0x8000", "partitions.bin",
+  "0xe000", "boot_app0.bin",
+  "0x10000", "firmware.bin"
+)
+
+Write-Host "Flashing $here -> $Port @ $Baud"
+if ($tool.Kind -eq "mod") {
+  & python -m esptool @argsCommon
+} else {
+  & python $tool.Path @argsCommon
+}
+if ($LASTEXITCODE -ne 0) { exit $LASTEXITCODE }
+Write-Host "Done. Open serial monitor at 115200 if needed."

firmware/cyd_35r/media/preview.html

@@ -0,0 +1,82 @@
+<!DOCTYPE html>
+<html lang="en">
+<head>
+<meta charset="utf-8" />
+<meta name="viewport" content="width=320" />
+<title>CLIMATE</title>
+<style>
+  *{box-sizing:border-box;margin:0;padding:0}
+  html,body{width:320px;height:240px;overflow:hidden;background:#000;margin:0}
+  .bezel{width:320px;height:240px;background:#1a1408}
+  .screen{
+    width:320px;height:240px;background:#0A1018;color:#F2F5FA;
+    font:12px/1.2 system-ui,sans-serif;position:relative;overflow:hidden;
+  }
+  .hdr{display:flex;align-items:center;gap:8px;padding:4px 8px;height:24px}
+  .hdr b{font-size:14px;font-weight:700}
+  .hdr .up{color:#7E90A8}
+  .hdr .sp{margin-left:auto;display:flex;align-items:center;gap:6px;color:#7E90A8}
+  .led{width:9px;height:9px;border-radius:50%;background:#4CAF7A}
+  .row{display:flex;gap:6px;padding:0 8px}
+  .panel{
+    flex:1;height:118px;background:#121C2A;border:1px solid #1E2C40;
+    border-radius:6px;padding:6px 8px;position:relative;
+  }
+  .cap{color:#7E90A8;font-size:11px}
+  .gauge{
+    width:90px;height:90px;margin:4px auto 0;border-radius:50%;
+    background:conic-gradient(#3DBF8C 0 70%, #243247 0);
+    mask:radial-gradient(farthest-side,transparent 62%,#000 63%);
+    -webkit-mask:radial-gradient(farthest-side,transparent 62%,#000 63%);
+  }
+  .panel.hum .gauge{background:conic-gradient(#3DB8A8 0 55%, #243247 0)}
+  .val{position:absolute;left:0;right:0;top:48px;text-align:center;font-size:24px;font-weight:700}
+  .panel.hum .val{color:#3DB8A8}
+  .panel.temp .val{color:#3DBF8C}
+  .unit{font-size:11px;color:#7E90A8;font-weight:500}
+  .rng{position:absolute;left:0;right:0;bottom:6px;text-align:center;color:#7E90A8;font-size:11px}
+  .bot{
+    margin:6px 8px 0;height:78px;background:#121C2A;border:1px solid #1E2C40;
+    border-radius:6px;display:flex;gap:8px;padding:8px;
+  }
+  .info{width:88px}
+  .ok{color:#E6B84D;font-size:14px;font-weight:700}
+  .bar{margin-top:8px;height:8px;background:#243247;border-radius:4px;overflow:hidden}
+  .bar>i{display:block;height:100%;width:62%;background:#E6B84D}
+  .meta{margin-top:10px;color:#7E90A8;font-size:11px}
+  .chart{flex:1;background:#0E1622;border-radius:4px;position:relative;overflow:hidden}
+  .chart svg{width:100%;height:100%}
+
+/* CYD 3.5" full-bleed: non-uniform scale matches firmware UX()/UY(). */
+html,body{width:480px!important;height:320px!important;overflow:hidden!important;background:#000!important;margin:0!important;padding:0!important}
+.cyd35-scale{width:320px;height:240px;transform:scale(1.5,1.3333333333);transform-origin:0 0;overflow:hidden}
+</style>
+</head>
+<body>
+<div class="cyd35-scale">
+
+<div class="bezel"><div class="screen" id="s">
+  <div class="hdr"><b>CLIMATE</b><span class="up">up 01:24</span>
+    <span class="sp"><span>OK</span><span class="led"></span></span></div>
+  <div class="row">
+    <div class="panel temp"><div class="cap">TEMP</div><div class="gauge"></div>
+      <div class="val">24.6<span class="unit">C</span></div><div class="rng">22.1 / 26.0</div></div>
+    <div class="panel hum"><div class="cap">HUM</div><div class="gauge"></div>
+      <div class="val">48<span class="unit">%</span></div><div class="rng">41 / 55</div></div>
+  </div>
+  <div class="bot">
+    <div class="info"><div class="ok">COMFORT</div><div class="bar"><i></i></div>
+      <div class="meta">DHT11 · GPIO22</div></div>
+    <div class="chart"><svg viewBox="0 0 180 60" preserveAspectRatio="none">
+      <polyline fill="none" stroke="#3DBF8C" stroke-width="2"
+        points="0,40 20,35 40,38 60,28 80,30 100,22 120,26 140,18 160,24 180,20"/>
+      <polyline fill="none" stroke="#3DB8A8" stroke-width="2"
+        points="0,45 20,42 40,44 60,40 80,38 100,36 120,39 140,34 160,37 180,35"/>
+    </svg></div>
+  </div>
+</div></div>
+
+
+</div>
+</body>
+</html>

firmware/cyd_35r/meta.json

@@ -0,0 +1,14 @@
+{
+  "boardId": "esp32-3248s035",
+  "name": "CYD climate dashboard (3.5\")",
+  "summary": "Temperature & humidity gauges with comfort bar and chart",
+  "description": "DHT11 on GPIO22. Dual arcs for TEMP/HUM, comfort status, live sparkline.",
+  "tags": [
+    "climate",
+    "dht11",
+    "gauge"
+  ],
+  "media": {
+    "preview": "media/preview.html"
+  }
+}