README.md

@@ -20,36 +20,32 @@ Most people, after watching it for a bit,
 form different ideas about what it's displaying.
 That's cool.
 
+Reset
+------
 
-Setup
+Plug the device in,
+connect GND to pin A0,
+and briefly press the reboot button.
+It will flash orange and blue a few times
+to let you know it has reset.
+
+
+WiFi
 -----
 
 If the red light on the board is lit,
 that means it doesn't know how to connect to the WiFi.
 
 Get your phone or computer to connect to an access point
-called "WallArt".
+called "Wall Art xxxxxxxxx".
 The password is "artsy fartsy", unless you changed it in the source code.
 Once connected,
 you should get a browser window that lets you connect.
 If not, try going to http://neverssl.com/.
 
-Please configure the clock before the WiFi.
-This will set up your time zone,
-so it doesn't blind you in the middle of the night.
-
 You can clear the wifi information with a reset.
 
 
-Reset
-------
-
-Plug the device in,
-and connect GND to pin A0 (right next to GND).
-The red LED on the Feather board should come on immediately,
-indicating it needs the network set up again.
-
-
 Network Server
 --------------
 
@@ -84,6 +80,9 @@ Clock
 At night, 
 and sometimes during the day,
 it displays something like a clock.
+You will need to tell it your time zone.
+It doesn't do daylight saving time, sorry.
+I suggest you set it to standard time and pretend it's in sync with the sun.
 
 * Each pixel in the top row is 1 hour (3600 seconds)
 * Each pixel in the middle row is 5 minutes (300 seconds)
@@ -99,7 +98,7 @@ Reset the device,
 and select the "Update" button instead of configuring WiFi.
 Then you can upload the new .bin firmware file.
 
-You may have to reconfigure networking after this.
+You will have to reconfigure networking after this.
 
 ### Uploading from CLI
 

network.cpp

@@ -1,6 +1,5 @@
 #include <FastLED.h>
 #include <WiFiManager.h>
-#include <WiFiManagerTz.h>
 #include <esp_wifi.h>
 #include <HTTPClient.h>	
 #include <WiFiClientSecure.h>
@@ -9,25 +8,13 @@
 WiFiManager wfm;
 
 void network_reset() {
-  Serial.println("Resetting network");
   wfm.resetSettings();
 }
 
-void on_time_available(struct timeval *t)
-{
-  struct tm timeInfo;
-  getLocalTime(&timeInfo, 1000);
-  Serial.println(&timeInfo, "%A, %B %d %Y %H:%M:%S %Z %z ");
-}
-
 void network_setup(char *password) {
-  String hostname = "WallArt";
+	String hostid = String(ESP.getEfuseMac(), HEX);
+	String hostname = "Wall Art " + hostid;
 
-  WiFiManagerNS::NTP::onTimeAvailable(&on_time_available);
-  WiFiManagerNS::init(&wfm);
-
-  std::vector<const char *> menu = {"wifi", "info", "custom", "param", "sep", "restart", "exit"};
-  wfm.setMenu(menu);
 	wfm.setConfigPortalBlocking(false);
 	wfm.setHostname(hostname);
 	wfm.autoConnect(hostname.c_str(), password);
@@ -37,17 +24,7 @@ bool connected() {
 	return WiFi.status() == WL_CONNECTED;
 }
 
-bool timeConfigured = false;
-
 void pause(uint32_t dwMs) {
-  if (connected() && !timeConfigured) {
-    WiFiManagerNS::configTime();
-    timeConfigured = true;
-  }
-  if (!digitalRead(RESET_PIN)) {
-    network_reset();
-  }
-
 	for (uint32_t t = 0; t < dwMs; t += 10) {
 		wfm.process();
 		digitalWrite(LED_BUILTIN, !connected());

network.h

@@ -1,8 +1,5 @@
 #pragma once
 
-// Short this to ground to reset the network
-#define RESET_PIN 26
-
 void network_reset();
 void network_setup(char *password);
 bool connected();

wallart.ino

@@ -1,16 +1,18 @@
-#include <FastLED.h>
+  #include <FastLED.h>
 #include <ArduinoHttpClient.h>
 #include <WiFiClientSecure.h>
 #include <WiFiUdp.h>
+#include <NTPClient.h>
 #include <TimeLib.h>
 #include "durations.h"
+#include "timezones.h"
 #include "picker.h"
 #include "network.h"
 
 #define NEOPIXEL_PIN 32
 #define GRIDLEN 64
 #define WFM_PASSWORD "artsy fartsy"
-#define TIMEZONE TZ_US_Eastern
+#define TIMEZONE TZ_US_Mountain
 
 /* 
  * The hours when the day begins and ends.
@@ -32,19 +34,47 @@
 
 #define HTTPS_TIMEOUT (2 * SECOND)
 
+#define RESET_PIN 26
 
 CRGB grid[GRIDLEN];
 
+WiFiUDP ntpUDP;
+NTPClient timeClient(ntpUDP);
+
+void do_reset() {
+  for (int i = 0; i < 8; i++) {
+    for (int j = 0; j < 8; j += 1) {
+      grid[j] = ((i+j)%2) ? (CRGB::Orange) : (CRGB::Blue);
+    }
+    FastLED.show();
+    digitalWrite(LED_BUILTIN, i%2);
+    delay(300 * MILLISECOND);
+  }
+  network_reset();
+}
+
 void setup() {
   pinMode(RESET_PIN, INPUT_PULLUP);
  	pinMode(LED_BUILTIN, OUTPUT);
-  Serial.begin(19200);
   FastLED.addLeds<WS2812, NEOPIXEL_PIN, GRB>(grid, GRIDLEN);
   // Maybe it's the plexiglass, but for my build, I need to dial back the red
   FastLED.setCorrection(0xd0ffff);
+  if (!digitalRead(RESET_PIN)) {
+    do_reset();
+  }
   network_setup(WFM_PASSWORD);
 }
 
+bool updateTime() {
+  if (timeClient.update()) {
+    time_t now = timeClient.getEpochTime();
+    time_t local = TIMEZONE.toLocal(now);
+    setTime(local);
+    return true;
+  }
+  return false;
+}
+
 void fade(int cycles = 2) {
   int reps = (cycles*GRIDLEN) + random(GRIDLEN);
   int hue = random(256);
@@ -261,6 +291,7 @@ void displayTime(unsigned long duration = 20 * SECOND) {
   FastLED.clear();
 
   while (millis() < end) {
+    updateTime();
     int hh = hour();
     int mmss = now() % 3600;
     uint8_t hue = HUE_YELLOW;
@@ -306,9 +337,14 @@ void loop() {
   uint8_t getprob = 4;
   bool conn = connected();
   bool day = true;
-  timeStatus_t ts = timeStatus();
 
-  if (ts == timeSet) {
+  switch (timeStatus()) {
+    case timeNotSet:
+    case timeNeedsSync:
+      updateTime();
+      break;
+  }
+  if (timeStatus() == timeSet) {
     int hh = hour();
     day = ((hh >= DAY_BEGIN) && (hh < DAY_END));
   }
@@ -319,7 +355,7 @@ void loop() {
     getprob = 16;
   }
 
-  if ((ts == timeSet) && (!day || p.Pick(4))) {
+  if (!day || p.Pick(4)) {
     // At night, only ever show the clock
     displayTime(2 * MINUTE);
   } else if (p.Pick(getprob)) {