display: Use partial refresh for status

controller/display/main.py

@@ -116,13 +116,24 @@ def render(status=""):
     epd.init()
     epd.Clear(0xFF)
 
-    epd.display_Partial(epd.getbuffer(image))
-    epd.sleep()
+    epd.display_Base(epd.getbuffer(image))
+    # epd.sleep()
 
 
 async def configure(config):
+    assert draw is not None
+    assert width is not None
+    assert height is not None
+    assert epd is not None
+    assert image is not None
+
     status = config.get("status", "")
-    render(status)
+
+    drawStatus(status=status)
+    newimage = image.crop((0, height - BAR_HEIGHT, width, height))
+    image.paste(newimage, (0, height - BAR_HEIGHT))
+
+    epd.display_Partial(epd.getbuffer(image))
 
 
 async def clear():

controller/display/test.js

@@ -1,3 +1,4 @@
+import { setTimeout } from "node:timers/promises"
 import { configureDisplay, watch } from "../../lib/scope.js"
 
 watch("display").then(async (messages) => {
@@ -6,7 +7,24 @@ watch("display").then(async (messages) => {
   }
 })
 
-const status = `http://planktoscope-sponge-bob`
-await configureDisplay({
-  status,
-})
+function generateRandomString() {
+  const length = Math.floor(Math.random() * 11) + 10 // 10–20
+  const chars = "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789"
+  let result = ""
+
+  for (let i = 0; i < length; i++) {
+    result += chars.charAt(Math.floor(Math.random() * chars.length))
+  }
+
+  return result
+}
+
+while (true) {
+  const status = generateRandomString()
+  await configureDisplay({
+    status,
+  })
+  // await setTimeout(1000)
+}
+
+// 10:54