add command tcpbridgeconfig

tasmota/settings.h

@@ -733,8 +733,9 @@ typedef struct {
   uint8_t       shd_leading_edge;          // F5B
   uint16_t      shd_warmup_brightness;     // F5C
   uint8_t       shd_warmup_time;           // F5E
+  uint8_t       tcp_config;                // F5F
 
-  uint8_t       free_f5f[61];              // F5F - Decrement if adding new Setting variables just above and below
+  uint8_t       free_f60[60];              // F60 - Decrement if adding new Setting variables just above and below
 
   // Only 32 bit boundary variables below
 

tasmota/support.ino

@@ -1818,7 +1818,7 @@ uint32_t JsonParsePath(JsonParserObject *jobj, const char *spath, char delim, fl
  * Serial
 \*********************************************************************************************/
 
-String GetSerialConfig(void) {
+String GetSerialConfig(uint8_t serial_config) {
   // Settings->serial_config layout
   // b000000xx - 5, 6, 7 or 8 data bits
   // b00000x00 - 1 or 2 stop bits
@@ -1827,13 +1827,49 @@ String GetSerialConfig(void) {
   const static char kParity[] PROGMEM = "NEOI";
 
   char config[4];
-  config[0] = '5' + (Settings->serial_config & 0x3);
-  config[1] = pgm_read_byte(&kParity[(Settings->serial_config >> 3) & 0x3]);
-  config[2] = '1' + ((Settings->serial_config >> 2) & 0x1);
+  config[0] = '5' + (serial_config & 0x3);
+  config[1] = pgm_read_byte(&kParity[(serial_config >> 3) & 0x3]);
+  config[2] = '1' + ((serial_config >> 2) & 0x1);
   config[3] = '\0';
   return String(config);
 }
 
+String GetSerialConfig(void) {
+  return GetSerialConfig(Settings->serial_config);
+}
+
+int8_t ParseSerialConfig(const char *pstr)
+{
+  if (strlen(pstr) < 3)
+    return -1;
+
+  int8_t serial_config = (uint8_t)atoi(pstr);
+  if (serial_config < 5 || serial_config > 8)
+    return -1;
+  serial_config -= 5;
+
+  char parity = (pstr[1] & 0xdf);
+  if ('E' == parity) {
+    serial_config += 0x08;                         // Even parity
+  }
+  else if ('O' == parity) {
+    serial_config += 0x10;                         // Odd parity
+  }
+  else if ('N' != parity) {
+    return -1;
+  }
+
+  if ('2' == pstr[2]) {
+    serial_config += 0x04;                         // Stop bits 2
+  }
+  else if ('1' != pstr[2]) {
+    return -1;
+  }
+
+  return serial_config;
+}
+
+
 #if defined(ESP32) && CONFIG_IDF_TARGET_ESP32C3
 // temporary workaround, see https://github.com/espressif/arduino-esp32/issues/5287
 #include <driver/uart.h>

tasmota/support_command.ino

@@ -1525,28 +1525,8 @@ void CmndSerialConfig(void)
       }
     }
     else if ((XdrvMailbox.payload >= 5) && (XdrvMailbox.payload <= 8)) {
-      uint8_t serial_config = XdrvMailbox.payload -5;  // Data bits 5, 6, 7 or 8, No parity and 1 stop bit
-
-      bool valid = true;
-      char parity = (XdrvMailbox.data[1] & 0xdf);
-      if ('E' == parity) {
-        serial_config += 0x08;                         // Even parity
-      }
-      else if ('O' == parity) {
-        serial_config += 0x10;                         // Odd parity
-      }
-      else if ('N' != parity) {
-        valid = false;
-      }
-
-      if ('2' == XdrvMailbox.data[2]) {
-        serial_config += 0x04;                         // Stop bits 2
-      }
-      else if ('1' != XdrvMailbox.data[2]) {
-        valid = false;
-      }
-
-      if (valid) {
+      int8_t serial_config = ParseSerialConfig(XdrvMailbox.data);
+      if (serial_config >= 0) {
         SetSerialConfig(serial_config);
       }
     }

tasmota/xdrv_41_tcp_bridge.ino

@@ -41,11 +41,11 @@ IPAddress    ip_filter;
 TasmotaSerial *TCPSerial = nullptr;
 
 const char kTCPCommands[] PROGMEM = "TCP" "|"    // prefix
-  "Start" "|" "Baudrate"
+  "Start" "|" "Baudrate" "|" "Config"
   ;
 
 void (* const TCPCommand[])(void) PROGMEM = {
-  &CmndTCPStart, &CmndTCPBaudrate
+  &CmndTCPStart, &CmndTCPBaudrate, &CmndTCPConfig
   };
 
 //
@@ -136,12 +136,14 @@ void TCPLoop(void)
 /********************************************************************************************/
 void TCPInit(void) {
   if (PinUsed(GPIO_TCP_RX) && PinUsed(GPIO_TCP_TX)) {
+    if (0 == (0x80 & Settings->tcp_config)) // !0x80 means unitialized
+      Settings->tcp_config = 0x80 | ParseSerialConfig("8N1"); // default as 8N1 for backward compatibility
     tcp_buf = (uint8_t*) malloc(TCP_BRIDGE_BUF_SIZE);
     if (!tcp_buf) { AddLog(LOG_LEVEL_ERROR, PSTR(D_LOG_TCP "could not allocate buffer")); return; }
 
     if (!Settings->tcp_baudrate)  { Settings->tcp_baudrate = 115200 / 1200; }
     TCPSerial = new TasmotaSerial(Pin(GPIO_TCP_RX), Pin(GPIO_TCP_TX), TasmotaGlobal.seriallog_level ? 1 : 2, 0, TCP_BRIDGE_BUF_SIZE);   // set a receive buffer of 256 bytes
-    TCPSerial->begin(Settings->tcp_baudrate * 1200);
+    TCPSerial->begin(Settings->tcp_baudrate * 1200, 0x7F & Settings->tcp_config);
     if (TCPSerial->hardwareSerial()) {
       ClaimSerial();
 		}
@@ -197,11 +199,22 @@ void CmndTCPBaudrate(void) {
   if ((XdrvMailbox.payload >= 1200) && (XdrvMailbox.payload <= 115200)) {
     XdrvMailbox.payload /= 1200;  // Make it a valid baudrate
     Settings->tcp_baudrate = XdrvMailbox.payload;
-    TCPSerial->begin(Settings->tcp_baudrate * 1200);  // Reinitialize serial port with new baud rate
+    TCPSerial->begin(Settings->tcp_baudrate * 1200, 0x7F & Settings->tcp_config);  // Reinitialize serial port with new baud rate
   }
   ResponseCmndNumber(Settings->tcp_baudrate * 1200);
 }
 
+void CmndTCPConfig(void) {
+  if (XdrvMailbox.data_len > 0) {
+    uint8_t serial_config = ParseSerialConfig(XdrvMailbox.data);
+    if (serial_config >= 0) {
+      Settings->tcp_config = 0x80 | serial_config; // default 0x00 should be 8N1
+      TCPSerial->begin(Settings->tcp_baudrate * 1200, 0x7F & Settings->tcp_config);  // Reinitialize serial port with new config
+    }
+  }
+  ResponseCmndChar_P(GetSerialConfig(0x7F & Settings->tcp_config).c_str());
+}
+
 /*********************************************************************************************\
  * Interface
 \*********************************************************************************************/