Add features to ESP32

- Decided to support ONLY flash mode DOUT (no software change but allows for RX1/TX1)
- Add GPIO9 (RX1) and GPIO10 (TX1) for hardware serial support
- Add above two GPIOs to template
- Moved basic ADC0 support from GPIO36 to GPIO33

tasmota/settings.h

@@ -407,9 +407,9 @@ struct SYSCFG {
   char          ex_mqtt_fulltopic[100];    // 558
 #else  // ESP32
   myio          my_gp;                     // 558 - 40 bytes (ESP32)
-  mytmplt       user_template;             // 580 - 35 bytes (ESP32)
+  mytmplt       user_template;             // 580 - 37 bytes (ESP32)
 
-  uint8_t       free_esp32_5a3[25];        // 5A3
+  uint8_t       free_esp32_5a5[23];        // 5A5
 #endif  // ESP8266 - ESP32
 
   SysBitfield2  flag2;                     // 5BC

tasmota/support.ino

@@ -1143,12 +1143,8 @@ void ModuleGpios(myio *gp)
 
   uint32_t j = 0;
   for (uint32_t i = 0; i < sizeof(mycfgio); i++) {
-#ifdef ESP8266
     if (6 == i) { j = 9; }
     if (8 == i) { j = 12; }
-#else  // ESP32
-    if (6 == i) { j = 12; }
-#endif  // ESP8266 - ESP32
     dest[j] = src[i];
     j++;
   }
@@ -1203,12 +1199,7 @@ void SetModuleType(void)
 
 bool FlashPin(uint32_t pin)
 {
-#ifdef ESP8266
   return (((pin > 5) && (pin < 9)) || (11 == pin));
-#endif  // ESP8266
-#ifdef ESP32
-  return ((pin > 5) && (pin < 12));
-#endif  // ESP32
 }
 
 uint8_t ValidPin(uint32_t pin, uint32_t gpio)

tasmota/support_command.ino

@@ -1114,12 +1114,8 @@ void CmndTemplate(void)
       SettingsUpdateText(SET_TEMPLATE_NAME, "Merged");
       uint32_t j = 0;
       for (uint32_t i = 0; i < sizeof(mycfgio); i++) {
-#ifdef ESP8266
         if (6 == i) { j = 9; }
         if (8 == i) { j = 12; }
-#else  // ESP32
-        if (6 == i) { j = 12; }
-#endif  // ESP8266 - ESP32
         if (my_module.io[j] > GPIO_NONE) {
           Settings.user_template.gp.io[i] = my_module.io[j];
         }

tasmota/tasmota_template.h

@@ -713,11 +713,12 @@ const char PINS_WEMOS[] PROGMEM = "D3TXD4RXD2D1flashcFLFLolD6D7D5D8D0A0";
 // esp32 has more pins
 #define USER_MODULE        255
 #define MAX_GPIO_PIN       40   // Number of supported GPIO
-#define MIN_FLASH_PINS     6    // Number of flash chip pins unusable for configuration (GPIO6, 7, 8, 9, 10 and 11)
-#define ADC0_PIN           36   // Pin number of ADC0
+#define MIN_FLASH_PINS     4    // Number of flash chip pins unusable for configuration (GPIO6, 7, 8 and 11)
+#define ADC0_PIN           33   // Pin number of ADC0
 #define WEMOS_MODULE       0    // Wemos module
 
-const char PINS_WEMOS[] PROGMEM = "00TX02RX04050607080910111213141516171819202122232425262728293031A4A5A6A7A03738A3";
+//const char PINS_WEMOS[] PROGMEM = "00TX02RX0405060708R1T11112131415R2T21819202122232425262728293031A4A5A6A7A03738A3";
+const char PINS_WEMOS[] PROGMEM = "I00TX0I02RX0I04I05I06I07I08RX1TX1I11I12I13I14I15RX2TX2I18I19I20I21I22I23I24I25I26I27I28I29I30I31AD4AD5AD6AD7AD0I37I38AD3";
 
 #endif  // ESP8266
 

tasmota/tasmota_template_ESP32.h

@@ -68,8 +68,8 @@ const mytmplt kModules PROGMEM =
               //6       IO                  GPIO6, Flash CLK
               //7       IO                  GPIO7, Flash D0
               //8       IO                  GPIO8, Flash D1
-              //9       IO                  GPIO9, Flash D2
-              //10      IO                  GPIO10, Flash D3
+  GPIO_USER,  //9       IO                  GPIO9, Flash D2, U1RXD
+  GPIO_USER,  //10      IO                  GPIO10, Flash D3, U1TXD
               //11      IO                  GPIO11, Flash CMD
   GPIO_USER,  //12      (I)O                GPIO12, ADC2_CH5, TOUCH5, RTC_GPIO15, MTDI, HSPIQ, HS2_DATA2, SD_DATA2, EMAC_TXD3       (If driven High, flash voltage (VDD_SDIO) is 1.8V not default 3.3V. Has internal pull-down, so unconnected = Low = 3.3V. May prevent flashing and/or booting if 3.3V flash is connected and pulled high. See ESP32 datasheet for more details.)
   GPIO_USER,  //13      IO                  GPIO13, ADC2_CH4, TOUCH4, RTC_GPIO14, MTCK, HSPID, HS2_DATA3, SD_DATA3, EMAC_RX_ER

tasmota/xdrv_01_webserver.ino

@@ -262,12 +262,8 @@ const char HTTP_SCRIPT_TEMPLATE[] PROGMEM =
     "g=o.shift().split(',');"             // Array separator
     "j=0;"
     "for(i=0;i<" STR(MAX_USER_PINS) ";i++){"  // Supports 13 GPIOs
-#ifdef ESP8266
       "if(6==i){j=9;}"
       "if(8==i){j=12;}"
-#else  // ESP32
-      "if(6==i){j=12;}"
-#endif  // ESP8266 - ESP32
       "sk(g[i],j);"                       // Set GPIO
       "j++;"
     "}"
@@ -1523,12 +1519,8 @@ void TemplateSaveSettings(void)
 
   uint32_t j = 0;
   for (uint32_t i = 0; i < sizeof(Settings.user_template.gp); i++) {
-#ifdef ESP8266
     if (6 == i) { j = 9; }
     if (8 == i) { j = 12; }
-#else  // ESP32
-    if (6 == i) { j = 12; }
-#endif  // ESP8266 - ESP32
     snprintf_P(webindex, sizeof(webindex), PSTR("g%d"), j);
     WebGetArg(webindex, tmp, sizeof(tmp));                  // GPIO
     uint8_t gpio = atoi(tmp);
@@ -1622,13 +1614,14 @@ void HandleModuleConfiguration(void)
   WSContentSend_P(HTTP_FORM_MODULE, AnyModuleName(MODULE).c_str());
   for (uint32_t i = 0; i < sizeof(cmodule); i++) {
     if (ValidGPIO(i, cmodule.io[i])) {
-      snprintf_P(stemp, 3, PINS_WEMOS +i*2);
 #ifdef ESP8266
+      snprintf_P(stemp, 3, PINS_WEMOS +i*2);
       char sesp8285[40];
       snprintf_P(sesp8285, sizeof(sesp8285), PSTR("<font color='#%06x'>ESP8285</font>"), WebColor(COL_TEXT_WARNING));
       WSContentSend_P(PSTR("<tr><td style='width:190px'>%s <b>" D_GPIO "%d</b> %s</td><td style='width:176px'><select id='g%d'></select></td></tr>"),
         (WEMOS==my_module_type)?stemp:"", i, (0==i)? D_SENSOR_BUTTON "1":(1==i)? D_SERIAL_OUT :(3==i)? D_SERIAL_IN :((9==i)||(10==i))? sesp8285 :(12==i)? D_SENSOR_RELAY "1":(13==i)? D_SENSOR_LED "1i":(14==i)? D_SENSOR :"", i);
 #else  // ESP32
+      snprintf_P(stemp, 4, PINS_WEMOS +i*3);
       WSContentSend_P(PSTR("<tr><td style='width:140px'>%s <b>" D_GPIO "%d</b></td><td style='width:176px'><select id='g%d'></select></td></tr>"),
         (WEMOS==my_module_type)?stemp:"", i, i);
 #endif  // ESP8266