Feat: WidgetRaspberryStatus

HomeWidgets/README.md

@@ -27,6 +27,10 @@ Lists newest playlists.
 | -------- | ----------- |
 | entries | Number of playlists to list. |
 
+## WidgetRaspberryStatus
+
+Uses vcgencmd to get Raspberry Pi status information.
+
 ## WidgetStats
 
 Show MPD database statistics.

HomeWidgets/WidgetRaspberryStatus.lua

@@ -0,0 +1,59 @@
+-- {"name": "WidgetRaspberryStatus", "file": "HomeWidgets/WidgetRaspberryStatus.lua", "version": 1, "desc": "Shows Raspberry Pi status information.", "order":0, "arguments":[]}
+
+local rows = {}
+
+function addRow(key, value)
+    table.insert(rows, "<tr><th>" ..
+        mympd.htmlencode(key) .. "</th><td>" ..
+        mympd.htmlencode(value) .. "</td></tr>")
+end
+
+local temp = mympd.os_capture("vcgencmd measure_temp")
+temp = string.sub(temp, 6)
+addRow("Temp", temp)
+
+local voltage = mympd.os_capture("vcgencmd measure_volts core")
+voltage = string.sub(voltage, 6)
+addRow("Core voltage", voltage)
+
+local clock = mympd.os_capture("vcgencmd measure_clock arm")
+clock = string.sub(clock, 15)
+clock = math.floor(tonumber(clock) / 1000000)
+addRow("Core clock", clock .. "Mhz")
+
+local throttled = mympd.os_capture("vcgencmd get_throttled")
+throttled = string.sub(throttled, 11)
+if throttled ~= "0x0" then
+    throttled = tonumber(throttled)
+    if throttled & 0x80000 == 0x80000 then
+        addRow("Warning", "Soft temperature limit has occurred")
+    end
+    if throttled & 0x40000 == 0x40000 then
+        addRow("Warning", "Throttling has occurred")
+    end
+    if throttled & 0x20000 == 0x20000 then
+        addRow("Warning", "Arm frequency capping has occurred")
+    end
+    if throttled & 0x10000 == 0x10000 then
+        addRow("Warning", "Under-voltage has occurred")
+    end
+    if throttled & 0x8 == 0x8 then
+        addRow("Warning", "Soft temperature limit active")
+    end
+    if throttled & 0x4 == 0x4 then
+        addRow("Warning", "Currently throttled")
+    end
+    if throttled & 0x2 == 0x2 then
+        addRow("Warning", "Arm frequency capped")
+    end
+    if throttled & 0x1 == 0x1 then
+        addRow("Warning", "Under-voltage detected")
+    end
+end
+
+local headers = "Content-type: text/html\r\n"
+local body = "<table class=\"table\">" ..
+    table.concat(rows) ..
+    "</table>"
+
+return mympd.http_reply("200", headers, body)