tx-mode: auto, default bus-id 0x49

src/core/default_settings.h

@@ -26,11 +26,11 @@
 #endif
 
 #ifndef EMSESP_DEFAULT_TX_MODE
-#define EMSESP_DEFAULT_TX_MODE 1 // EMS1.0
+#define EMSESP_DEFAULT_TX_MODE 5 // Auto
 #endif
 
 #ifndef EMSESP_DEFAULT_EMS_BUS_ID
-#define EMSESP_DEFAULT_EMS_BUS_ID 0x0B // service key
+#define EMSESP_DEFAULT_EMS_BUS_ID 0x49 // gateway 1
 #endif
 
 #ifndef EMSESP_DEFAULT_SYSLOG_ENABLED

src/core/telegram.cpp

@@ -43,6 +43,7 @@ uint8_t  EMSbus::ems_mask_          = EMS_MASK_UNSET; // unset so its triggered
 uint8_t  EMSbus::ems_bus_id_        = EMSESP_DEFAULT_EMS_BUS_ID;
 uint8_t  EMSbus::tx_mode_           = EMSESP_DEFAULT_TX_MODE;
 uint8_t  EMSbus::tx_state_          = Telegram::Operation::NONE;
+bool     EMSbus::isEMS2_            = false;
 
 uuid::log::Logger EMSbus::logger_{F_(telegram), uuid::log::Facility::CONSOLE};
 
@@ -206,7 +207,9 @@ void RxService::add(uint8_t * data, uint8_t length) {
         message_data   = data + 6;
         message_length = length - 7;
     }
-
+    if (type_id > 0x0FF && message_length > 1) { // used for auto tx_mode
+        set_ems2();
+    }
     // if we're watching and "raw" print out actual telegram as bytes to the console
     // including the CRC at the end
     if (EMSESP::watch() == EMSESP::Watch::WATCH_RAW) {

src/core/telegram.h

@@ -168,6 +168,14 @@ class EMSbus {
         return (ems_mask_ == EMS_MASK_HT3);
     }
 
+    static bool is_ems2() {
+        return isEMS2_;
+    }
+
+    static void set_ems2() {
+        isEMS2_ = true;;
+    }
+
     static uint8_t ems_mask() {
         return ems_mask_;
     }
@@ -242,6 +250,7 @@ class EMSbus {
     static uint8_t  ems_bus_id_;        // the bus id, which configurable and stored in settings
     static uint8_t  tx_mode_;           // local copy of the tx mode
     static uint8_t  tx_state_;          // state of the Tx line (NONE or waiting on a TX_READ or TX_WRITE)
+    static bool     isEMS2_;
 };
 
 class RxService : public EMSbus {

src/emsesp_version.h

@@ -1 +1 @@
-#define EMSESP_APP_VERSION "3.8.2-dev.21"
+#define EMSESP_APP_VERSION "3.8.2-dev.22"

src/uart/emsuart_esp32.cpp

@@ -149,8 +149,10 @@ uint8_t EMSuart::transmit(const uint8_t * buf, const uint8_t len) {
         return EMS_TX_STATUS_OK;
     }
 
+   auto tx_mode = tx_mode_ != EMS_TXMODE_AUTO ? tx_mode_ : EMSbus::is_ht3() ? EMS_TXMODE_HT3 : EMSbus::is_ems2() ? EMS_TXMODE_EMSPLUS : EMS_TXMODE_EMS;
+
     // TXMODE is EMS+ with long delay
-    if (tx_mode_ == EMS_TXMODE_EMSPLUS) {
+    if (tx_mode == EMS_TXMODE_EMSPLUS) {
         for (uint8_t i = 0; i < len; i++) {
             uart_write_bytes(EMSUART_NUM, &buf[i], 1);
             delayMicroseconds(EMSUART_TX_WAIT_PLUS);
@@ -160,7 +162,7 @@ uint8_t EMSuart::transmit(const uint8_t * buf, const uint8_t len) {
     }
 
     // TXMODE is HT3 with 7 bittimes delay
-    if (tx_mode_ == EMS_TXMODE_HT3) {
+    if (tx_mode == EMS_TXMODE_HT3) {
         for (uint8_t i = 0; i < len; i++) {
             uart_write_bytes(EMSUART_NUM, &buf[i], 1);
             delayMicroseconds(EMSUART_TX_WAIT_HT3);

src/uart/emsuart_esp32.h

@@ -42,10 +42,11 @@
 
 #define EMS_TXMODE_INIT 0xFF
 #define EMS_TXMODE_OFF 0
-#define EMS_TXMODE_DEFAULT 1
+#define EMS_TXMODE_EMS 1
 #define EMS_TXMODE_EMSPLUS 2
 #define EMS_TXMODE_HT3 3
 #define EMS_TXMODE_HW 4
+#define EMS_TXMODE_AUTO 5
 
 // LEGACY
 #define EMSUART_TX_BIT_TIME 104 // bit time @9600 baud