Initial TableWatch implementation

src/main.cpp

@@ -0,0 +1,76 @@
+#include <Arduino.h>
+#include <esp_sleep.h>
+
+#include "app_state.h"
+#include "config.h"
+#include "display.h"
+#include "hardware.h"
+#include "network.h"
+#include "web.h"
+
+void setup() {
+  Serial.begin(115200);
+  uint32_t serialWaitStart = millis();
+  while (!Serial && (millis() - serialWaitStart) < 1500) {
+    delay(10);
+  }
+  Serial.println("Boot");
+  delay(200);
+
+  initDisplay();
+  initAnalog();
+
+  int batteryPercent = readBatteryPercent();
+  time_t now = time(nullptr);
+  bool timeValid = now >= kMinValidEpoch;
+  bool needNetSync = !timeValid || gLastNetSyncEpoch == 0 ||
+                     (timeValid && (now - gLastNetSyncEpoch) >= gNetSyncSec);
+  int wifiLevel = 0;
+  if (needNetSync) {
+    performNetSync(batteryPercent, &wifiLevel);
+  }
+
+  gShowTable = false;
+  renderClock(wifiLevel, batteryPercent);
+  gLastScreenSwitchMs = millis();
+  if (kDeepSleepEnabled) {
+    esp_sleep_enable_timer_wakeup(static_cast<uint64_t>(kWakeIntervalSec) * 1000000ULL);
+    esp_deep_sleep_start();
+  }
+}
+
+void loop() {
+  delay(1000);
+  if (kDeepSleepEnabled) {
+    return;
+  }
+  webLoop();
+
+  uint32_t nowMs = millis();
+  uint32_t currentScreenSec = gShowTable ? gTableScreenSec : gClockScreenSec;
+  if ((nowMs - gLastScreenSwitchMs) < (currentScreenSec * 1000UL)) {
+    return;
+  }
+  gLastScreenSwitchMs = nowMs;
+
+  time_t now = time(nullptr);
+  bool timeValid = now >= kMinValidEpoch;
+  bool needNetSync = !timeValid || gLastNetSyncEpoch == 0 ||
+                     (timeValid && (now - gLastNetSyncEpoch) >= gNetSyncSec);
+  int batteryPercent = readBatteryPercent();
+  int wifiLevel = 0;
+  if (needNetSync) {
+    performNetSync(batteryPercent, &wifiLevel);
+  }
+
+  if (gNotionCount <= 0) {
+    gShowTable = false;
+  } else {
+    gShowTable = !gShowTable;
+  }
+  if (gShowTable) {
+    renderTable(wifiLevel, batteryPercent);
+  } else {
+    renderClock(wifiLevel, batteryPercent);
+  }
+}