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Code Issues Projects Releases Packages Wiki Activity Actions 5

controller: report cooling fan RPM in CPU status

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The RPi 5 fan connector exposes a tachometer via the pwmfan hwmon
device. Report it as fan_rpm in cpu_stats and show it in both the
Controller fallback UI and the React Status page. Hidden when no fan
is present.

Co-Authored-By: Claude Fable 5 <noreply@anthropic.com>
This commit is contained in:
Roland 2026-07-23 19:42:52 -06:00 • committed by lrnselfreliance
parent f635671266
commit 42a017294e
6 changed files with 54 additions and 2 deletions
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10
controller/templates/index.html
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@ -938,7 +938,7 @@
<div class="status-card">
<h3>CPU</h3>
<p class="value">{{ cpu.percent if cpu.percent is not none else '--' }}%</p>
<p class="sub">{% if cpu.temperature_c %}{{ cpu.temperature_c }}&deg;C{% else %}--{% endif %}</p>
<p class="sub">{% if cpu.temperature_c %}{{ cpu.temperature_c }}&deg;C{% else %}--{% endif %}{% if cpu.fan_rpm %} &middot; {{ cpu.fan_rpm }} RPM{% endif %}</p>
</div>
<div class="status-card">
<h3>Memory</h3>
@ -2692,7 +2692,13 @@
const cpuValue = document.querySelector('.status-card:nth-child(1) .value');
const cpuSub = document.querySelector('.status-card:nth-child(1) .sub');
if (cpuValue) cpuValue.textContent = (cpu.percent !== null ? cpu.percent : '--') + '%';
if (cpuSub) cpuSub.innerHTML = cpu.temperature ? cpu.temperature + '&deg;C' : '--';
if (cpuSub) {
let cpuSubText = cpu.temperature ? cpu.temperature + '&deg;C' : '--';
if (cpu.fan_rpm) {
cpuSubText += ' &middot; ' + cpu.fan_rpm + ' RPM';
}
cpuSub.innerHTML = cpuSubText;
}
// Update Memory card
const memValue = document.querySelector('.status-card:nth-child(2) .value');