add t-watch example

also small tweaks to ping debugs

examples/Controller_examples/LilyGo_TWatch2020/LilyGo_TWatch2020.ino

@@ -0,0 +1,70 @@
+//  FARM DATA RELAY SYSTEM
+//
+//  LilyGo T-Watch 2020 (v1) Example
+//   This sketch retrieves the time from a nearby FDRS gateway using ESP-NOW.
+//  
+//  Developed by Timm Bogner (timmbogner@gmail.com) in Urbana, Illinois, USA
+//  FDRS Timekeeping was developed and contributed by Jeff Lehman (aviateur17)
+//  
+//  Gratitude to Lewis He and LilyGo for building and supporting the T-Watch.
+//
+
+#define UPTIME 3  // Seconds to remain on before sleeping
+#define LILYGO_WATCH_2020_V1
+
+#include <LilyGoWatch.h>
+#include "fdrs_node_config.h"
+#include <fdrs_node.h>
+
+TTGOClass *ttgo;
+TFT_eSPI *tft;
+PCF8563_Class *rtc;
+AXP20X_Class *power;
+
+uint32_t interval = 0;
+
+void fdrs_recv_cb(DataReading theData) {
+}
+
+void setup() {
+  ttgo = TTGOClass::getWatch();
+  ttgo->begin();
+  ttgo->openBL();
+  rtc = ttgo->rtc;
+  tft = ttgo->tft;
+  power = ttgo->power;
+
+  tft->setTextColor(TFT_RED, TFT_BLACK);
+  //Draw voltage in top right corner
+  tft->drawString(String(power->getBattVoltage() / 1000.0), 180, 0, 4);
+
+  beginFDRS();
+  uint32_t contact = pingFDRS(100);
+  if (contact != UINT32_MAX) {
+    // Draw ping response time (if any) in top left
+    tft->drawString(String(contact), 0, 0, 4);
+    addFDRS(fdrs_recv_cb);
+    delay(100);
+    rtc->syncToRtc();
+  }
+
+  char strftime_buf[64];
+  time_t local = time(NULL) + (isDST ? dstOffset : stdOffset);
+  localtime_r(&local, &timeinfo);
+  strftime(strftime_buf, sizeof(strftime_buf), "%m-%d-%Y", &timeinfo);  // generate MM-DD-YYYY local time character array
+  tft->setTextColor(TFT_BLUE, TFT_BLACK);
+  tft->drawString(strftime_buf, 50, 200, 4);
+  tft->setTextColor(TFT_GREEN, TFT_BLACK);
+  strftime(strftime_buf, sizeof(strftime_buf), "%I:%M:%S", &timeinfo);  // generate HH:MM:SS local time character array
+  tft->drawString(strftime_buf, 5, 75, 7);
+  delay(UPTIME * 1000);
+
+  power->clearIRQ();
+  ttgo->displaySleep();
+  ttgo->powerOff();
+  esp_sleep_enable_ext1_wakeup(GPIO_SEL_35, ESP_EXT1_WAKEUP_ALL_LOW);
+  esp_deep_sleep_start();
+}
+
+void loop() {
+}

examples/Controller_examples/LilyGo_TWatch2020/fdrs_node_config.h

@@ -0,0 +1,34 @@
+//  FARM DATA RELAY SYSTEM
+//
+//  Sensor Configuration
+
+#include <fdrs_globals.h>
+
+#define READING_ID    1   //Unique ID for this sensor
+#define GTWY_MAC      0x01 //Address of the nearest gateway
+
+#define USE_ESPNOW
+//#define USE_LORA
+#define DEEP_SLEEP
+//#define POWER_CTRL    14
+#define FDRS_DEBUG
+
+// LoRa Configuration
+#define RADIOLIB_MODULE SX1276
+#define LORA_SS    18
+#define LORA_RST   14
+#define LORA_DIO   26
+#define LORA_BUSY  33
+//#define USE_SX126X
+
+#define LORA_TXPWR 17   // LoRa TX power in dBm (: +2dBm - +17dBm (for SX1276-7) +20dBm (for SX1278))
+#define LORA_ACK        // Request LoRa acknowledgment.
+
+//#define USE_LR  // Use ESP-NOW LR mode (ESP32 only)
+
+// Time settings
+#define USDST
+// #define EUDST
+#define STD_OFFSET      (-6)                // Local standard time offset in hours from UTC - if unsure, check https://time.is
+#define DST_OFFSET      (STD_OFFSET + 1)    // Local savings time offset in hours from UTC - if unsure, check https://time.is
+#define TIME_PRINTTIME    10      // Time, in minutes, between printing local time to debug

src/fdrs_lora.h

@@ -558,11 +558,11 @@ crcResult receiveLoRa()
                         if (receiveData[0].param == ping_reply)
                         { // This is a reply to our ping request
                             loraPing.status = stCompleted;
-                            DBG1("We have received a ping reply via LoRa from address 0x" + String(sourceMAC, HEX));
+                            DBG1("Ping reply via LoRa from address 0x" + String(sourceMAC, HEX));
                         }
                         else if (receiveData[0].param == ping_request)
                         {
-                            DBG1("We have received a ping request from 0x" + String(sourceMAC, HEX) + ", Replying.");
+                            DBG1("Ping request from 0x" + String(sourceMAC, HEX) + ", Replying.");
                             pingReplyLoRa(sourceMAC);
                         }
                     }
@@ -691,14 +691,14 @@ int pingRequestLoRa(uint16_t address, uint32_t timeout)
             if(loraPing.status == stCompleted) {
                 loraPing.response = millis() - loraPing.start;
                 pingResult = loraPing.response;
-                DBG1("LoRa Ping Returned: " + String(loraPing.response) + "ms.");
+                DBG("LoRa Ping Returned: " + String(loraPing.response) + "ms.");
                 if(loraPing.address == timeSource.tmAddress) {
                     netTimeOffset = loraPing.response/2/1000;
                     adjTimeforNetDelay(netTimeOffset);
                 }
             }
             else  {
-                DBG1("No LoRa ping returned within " + String(loraPing.timeout) + "ms.");
+                DBG("No LoRa ping returned within " + String(loraPing.timeout) + "ms.");
             }
             loraPing.status = stReady;
             loraPing.start = 0;