TuyaMcu rewrite by btsimonh (#17051)

CHANGELOG.md

@@ -14,6 +14,7 @@ All notable changes to this project will be documented in this file.
 ### Changed
 - Reverted Flash Mode back from ``DIO`` to ``DOUT`` for ESP8266/ESP8285 (#17019)
 - ESP32 Framework (Core) from v2.0.5.2 to v2.0.5.3 (#17034)
+- TuyaMcu rewrite by btsimonh (#17051)
 
 ### Fixed
 - SenseAir S8 module detection (#17033)

RELEASENOTES.md

@@ -133,6 +133,7 @@ The latter links can be used for OTA upgrades too like ``OtaUrl http://ota.tasmo
 - DS18x20 ``DS18Alias`` to ``DS18Sens`` [#16833](https://github.com/arendst/Tasmota/issues/16833)
 - Compiling with reduced boards manifests in favour of Autoconfig [#16848](https://github.com/arendst/Tasmota/issues/16848)
 - ADE7953 monitoring from instant power to accumulated energy [#16941](https://github.com/arendst/Tasmota/issues/16941)
+- TuyaMcu rewrite by btsimonh [#17051](https://github.com/arendst/Tasmota/issues/17051)
 
 ### Fixed
 - Serial bridge default serial configuration from 5N1 to 8N1 regression from v10.1.0.3

tasmota/tasmota.ino

@@ -331,6 +331,7 @@ struct TasmotaGlobal_t {
   uint8_t module_type;                      // Current copy of Settings->module or user template type
   uint8_t emulated_module_type;             // Emulated module type as requested by ESP32
   uint8_t last_source;                      // Last command source
+  uint8_t last_command_source;              // Last command source
   uint8_t shutters_present;                 // Number of actual define shutters
   uint8_t discovery_counter;                // Delayed discovery counter
   uint8_t power_on_delay;                   // Delay relay power on to reduce power surge (SetOption47)
@@ -681,7 +682,7 @@ void SleepDelay(uint32_t mseconds) {
   if (!TasmotaGlobal.backlog_nodelay && mseconds) {
     uint32_t wait = millis() + mseconds;
     while (!TimeReached(wait) && !Serial.available()) {  // We need to service serial buffer ASAP as otherwise we get uart buffer overrun
-      XdrvCall(FUNC_SLEEP_LOOP);
+      XdrvCall(FUNC_SLEEP_LOOP);  // Main purpose is reacting ASAP on serial data availability or interrupt handling (ADE7880)
       delay(1);
     }
   } else {

tasmota/tasmota_support/support_command.ino

@@ -329,6 +329,7 @@ void ExecuteCommand(const char *cmnd, uint32_t source)
   // cmnd: "var1=1"    = stopic "var1" and svalue "=1"
   SHOW_FREE_MEM(PSTR("ExecuteCommand"));
   ShowSource(source);
+  TasmotaGlobal.last_command_source = source;
 
   const char *pos = cmnd;
   while (*pos && isspace(*pos)) {

tasmota/tasmota_xdrv_driver/xdrv_16_tuyamcu_v1.ino

@@ -18,7 +18,10 @@
 */
 
 #ifdef USE_LIGHT
-#ifdef USE_TUYA_MCU
+#ifdef USE_TUYA_MCU_V1
+/*********************************************************************************************\
+ * Tuya MCU V1
+\*********************************************************************************************/
 
 #define XDRV_16                16
 #define XNRG_32                32   // Needs to be the last XNRG_xx
@@ -551,7 +554,7 @@ void TuyaSendHexString(uint8_t id, char data[]) {
   TuyaSendCmd(TUYA_CMD_SET_DP, payload_buffer, payload_len);
 }
 
-void TuyaSendString(uint8_t id, char data[]) {
+void TuyaSendString(uint8_t id, const char data[]) {
 
   uint16_t len = strlen(data);
   uint16_t payload_len = 4 + len;