SF display & set Pin DIO2 to LMIC_unused_pin

platformio.ini

@@ -11,9 +11,9 @@
 
 ; ---> SELECT TARGET PLATFORM HERE! <---
 [platformio]
-env_default = heltec_wifi_lora_32
+;env_default = heltec_wifi_lora_32
 ;env_default = ttgov1
-;env_default = ttgov2
+env_default = ttgov2
 ;env_default = lopy
 ;env_default = lopy4
 ;env_default = lolin32lite_lora

src/hal/heltec.h

@@ -17,7 +17,7 @@
 #define RST   14 // ESP32 GPIO14 (Pin14) -- SX1276 NRESET (Pin7) Reset Trigger Input
 #define DIO0  26 // ESP32 GPIO26 (Pin15) -- SX1276 DIO0 (Pin8) used by LMIC for detecting LoRa RX_Done & TX_Done
 #define DIO1  33 // ESP32 GPIO33 (Pin13) -- SX1276 DIO1 (Pin9) used by LMIC for detecting LoRa RX_Timeout
-#define DIO2  32 // ESP32 GPIO32 (Pin12) -- SX1276 DIO2 (Pin10) not used by LMIC for LoRa (Timeout for FSK only)
+#define DIO2  LMIC_UNUSED_PIN // 32 ESP32 GPIO32 (Pin12) -- SX1276 DIO2 (Pin10) not used by LMIC for LoRa (Timeout for FSK only)
 
 // Hardware pin definitions for Heltec LoRa-32 Board with OLED SSD1306 I2C Display
 #define OLED_RST 16 // ESP32 GPIO16 (Pin16) -- SD1306 RST

src/hal/lolin32_lora.h

@@ -25,8 +25,8 @@
 #define RST   25 // ESP32 GPIO25 (Pin25) -- SX1276 NRESET (Pin7)  Reset Trigger Input
 #define DIO0  27 // ESP32 GPIO27 (Pin27) -- SX1276 DIO0   (Pin8)  used by LMIC for detecting LoRa RX_Done & TX_Done
 #define DIO1  26 // ESP32 GPIO26 (Pin26) -- SX1276 DIO1   (Pin9)  used by LMIC for detecting LoRa RX_Timeout
-#define DIO2   4 // ESP32  GPIO4 (Pin4)  -- SX1276 DIO2   (Pin10) not used by LMIC for LoRa (Timeout for FSK only)
+#define DIO2  LMIC_UNUSED_PIN // 4 ESP32  GPIO4 (Pin4)  -- SX1276 DIO2   (Pin10) not used by LMIC for LoRa (Timeout for FSK only)
-#define DIO5  35 // ESP32 GPIO35 (Pin35) -- SX1276 DIO5   not used by LMIC for LoRa (Timeout for FSK only)
+#define DIO5  LMIC_UNUSED_PIN // 35 ESP32 GPIO35 (Pin35) -- SX1276 DIO5   not used by LMIC for LoRa (Timeout for FSK only)
 
 // Hardware pin definitions for LoRaNode32 Board with OLED I2C Display
 #define OLED_RST U8X8_PIN_NONE  // Not reset pin

src/hal/lolin32lite_lora.h

@@ -24,8 +24,8 @@
 #define RST   25 // ESP32 GPIO25 (Pin25) -- SX1276 NRESET (Pin7)  Reset Trigger Input
 #define DIO0  27 // ESP32 GPIO27 (Pin27) -- SX1276 DIO0   (Pin8)  used by LMIC for detecting LoRa RX_Done & TX_Done
 #define DIO1  26 // ESP32 GPIO26 (Pin26) -- SX1276 DIO1   (Pin9)  used by LMIC for detecting LoRa RX_Timeout
-#define DIO2   4 // ESP32  GPIO4 (Pin4)  -- SX1276 DIO2   (Pin10) not used by LMIC for LoRa (Timeout for FSK only)
+#define DIO2  LMIC_UNUSED_PIN // 4 ESP32  GPIO4 (Pin4)  -- SX1276 DIO2   (Pin10) not used by LMIC for LoRa (Timeout for FSK only)
-#define DIO5  35 // ESP32 GPIO35 (Pin35) -- SX1276 DIO5   not used by LMIC for LoRa (Timeout for FSK only)
+#define DIO5  LMIC_UNUSED_PIN // 35 ESP32 GPIO35 (Pin35) -- SX1276 DIO5   not used by LMIC for LoRa (Timeout for FSK only)
 
 // Hardware pin definitions for LoRaNode32 Board with OLED I2C Display
 #define OLED_RST U8X8_PIN_NONE  // Not reset pin

src/hal/lopy.h

@@ -12,7 +12,7 @@
 #define RST   18
 #define DIO0  23 // LoRa IRQ
 #define DIO1  23 // workaround
-#define DIO2  23 // workaround
+#define DIO2  LMIC_UNUSED_PIN // 23 workaround
 
 // select WIFI antenna (internal = onboard / external = u.fl socket)
 #define HAS_ANTENNA_SWITCH  16      // pin for switching wifi antenna

src/hal/lopy4.h

@@ -12,7 +12,7 @@
 #define RST   LMIC_UNUSED_PIN
 #define DIO0  23 // LoRa IRQ
 #define DIO1  23 // workaround
-#define DIO2  23 // workaround 
+#define DIO2  LMIC_UNUSED_PIN // 23 workaround 
 
 // select WIFI antenna (internal = onboard / external = u.fl socket)
 #define HAS_ANTENNA_SWITCH  21      // pin for switching wifi antenna

src/hal/ttgov1.h

@@ -18,7 +18,7 @@
 #define RST   14 // ESP32 GPIO14 (Pin14) -- SX1276 NRESET (Pin7) Reset Trigger Input
 #define DIO0  26 // ESP32 GPIO26 (Pin15) -- SX1276 DIO0 (Pin8) used by LMIC for detecting LoRa RX_Done & TX_Done
 #define DIO1  33 // ESP32 GPIO33 (Pin13) -- SX1276 DIO1 (Pin9) used by LMIC for detecting LoRa RX_Timeout
-#define DIO2  32 // ESP32 GPIO32 (Pin12) -- SX1276 DIO2 (Pin10) not used by LMIC for LoRa (Timeout for FSK only)
+#define DIO2  LMIC_UNUSED_PIN // 32 ESP32 GPIO32 (Pin12) -- SX1276 DIO2 (Pin10) not used by LMIC for LoRa (Timeout for FSK only)
 
 // Hardware pin definitions for TTGOv1 Board with OLED SSD1306 I2C Display
 #define OLED_RST 16 // ESP32 GPIO16 (Pin16) -- SD1306 Reset

src/hal/ttgov2.h

@@ -19,7 +19,7 @@
 #define RST   LMIC_UNUSED_PIN // connected to ESP32 RST/EN
 #define DIO0  26 // ESP32 GPIO26 wired on PCB to HPD13A
 #define DIO1  33 // HPDIO1 on pcb, needs to be wired external to GPIO33
-#define DIO2  32 // HPDIO2 on pcb, needs to be wired external to GPIO32 (not necessary for LoRa, only FSK)
+#define DIO2  LMIC_UNUSED_PIN // 32 HPDIO2 on pcb, needs to be wired external to GPIO32 (not necessary for LoRa, only FSK)
 
 // Hardware pin definitions for TTGO V2 Board with OLED SSD1306 0,96" I2C Display
 #define OLED_RST U8X8_PIN_NONE // connected to CPU RST/EN

src/main.cpp

@@ -330,15 +330,19 @@ uint64_t uptime() {
                 u8x8.printf("%-16s", "BLTH:off");
         #endif
 
-        // update free memory display (line 4)
+        // update LoRa SF display (line 3)
-        u8x8.setCursor(10,4);
+        u8x8.setCursor(11,3);
-        u8x8.printf("%4dKB", ESP.getFreeHeap() / 1024);
+        u8x8.printf("SF:%c%c", lora_datarate[LMIC.datarate * 2], lora_datarate[LMIC.datarate * 2 + 1]);
 
-        // update RSSI limiter status & wifi channel display (line 5)
+        // update wifi channel display (line 4)
+        u8x8.setCursor(11,4);
+        u8x8.printf("ch:%02d", channel);
+
+        // update RSSI limiter status & free memory display (line 5)
         u8x8.setCursor(0,5);
         u8x8.printf(!cfg.rssilimit ? "RLIM:off " : "RLIM:%-4d", cfg.rssilimit);
-        u8x8.setCursor(11,5);
+        u8x8.setCursor(10,5);
-        u8x8.printf("ch:%02d", channel);
+        u8x8.printf("%4dKB", ESP.getFreeHeap() / 1024);
         
         // update LoRa status display (line 6)
         u8x8.setCursor(0,6);

src/main.h

@@ -10,6 +10,12 @@ enum led_states {
   LED_ON
 };
 
+#if defined(CFG_eu868)
+  const char lora_datarate[] = {"1211100908077BFSNA"};
+#elif defined(CFG_us915)  
+  const char lora_datarate[] = {"100908078CNA121110090807"};
+#endif
+
 //--- Prototypes ---
 
 // defined in main.cpp

src/paxcounter.conf

@@ -33,7 +33,8 @@
 #define	WIFI_CHANNEL_SWITCH_INTERVAL    50      // [seconds/100] -> 0,5 sec.
 
 // LoRa payload send cycle --> take care of duty cycle of LoRaWAN network! <--
-#define SEND_SECS                       120     // [seconds/2] -> 240 sec.
+//#define SEND_SECS                       120     // [seconds/2] -> 240 sec.
+#define SEND_SECS                       30
 #define MEM_LOW                         2048    // [Bytes] memory threshold triggering send cycle
 
 // Default LoRa Spreadfactor
@@ -73,7 +74,7 @@
 // enable more verbose output. Make sure that printf is actually
 // configured (e.g. on AVR it is not by default), otherwise using it can
 // cause crashing.
-//#define LMIC_DEBUG_LEVEL 1
+#define LMIC_DEBUG_LEVEL 1
 
 // Enable this to allow using printf() to print to the given serial port
 // (or any other Print object). This can be easy for debugging. The