#219 bugfixes with renderer exit handling

pocket/pocket.lua

@@ -82,8 +82,8 @@ function pocket.comms(version, modem, local_port, sv_port, api_port, range, sv_w
     end
 
     -- send a packet to the coordinator API
-    ---@param msg_type CAPI_TYPE
-    ---@param msg table
+    -----@param msg_type CAPI_TYPE
+    -----@param msg table
     -- local function _send_api(msg_type, msg)
     --     local s_pkt = comms.scada_packet()
     --     local pkt = comms.capi_packet()

pocket/renderer.lua

@@ -40,28 +40,28 @@ end
 
 -- close out the UI
 function renderer.close_ui()
-    -- stop blinking indicators
-    flasher.clear()
-
     if ui.display ~= nil then
+        -- stop blinking indicators
+        flasher.clear()
+
         -- hide to stop animation callbacks
         ui.display.hide()
+
+        -- clear root UI elements
+        ui.display = nil
+
+        -- restore colors
+        for i = 1, #style.colors do
+            local r, g, b = term.nativePaletteColor(style.colors[i].c)
+            term.setPaletteColor(style.colors[i].c, r, g, b)
+        end
+
+        -- reset terminal
+        term.setTextColor(colors.white)
+        term.setBackgroundColor(colors.black)
+        term.clear()
+        term.setCursorPos(1, 1)
     end
-
-    -- clear root UI elements
-    ui.display = nil
-
-    -- restore colors
-    for i = 1, #style.colors do
-        local r, g, b = term.nativePaletteColor(style.colors[i].c)
-        term.setPaletteColor(style.colors[i].c, r, g, b)
-    end
-
-    -- reset terminal
-    term.setTextColor(colors.white)
-    term.setBackgroundColor(colors.black)
-    term.clear()
-    term.setCursorPos(1, 1)
 end
 
 -- is the UI ready?

pocket/startup.lua

@@ -104,7 +104,7 @@ local function main()
     local ui_ok, message = pcall(renderer.start_ui)
     if not ui_ok then
         renderer.close_ui()
-        println_ts(util.c("UI error: ", message))
+        println(util.c("UI error: ", message))
         log.error(util.c("startup> GUI crashed with error ", message))
     else
         -- start clock