Add SDCard SDIO support

tasmota/language/af_AF.h

@@ -651,6 +651,12 @@
 #define D_SENSOR_SPI_MISO      "SPI MISO"
 #define D_SENSOR_SPI_MOSI      "SPI MOSI"
 #define D_SENSOR_SPI_CLK       "SPI CLK"
+#define D_SENSOR_SDIO_CMD      "SDIO CMD"
+#define D_SENSOR_SDIO_CLK      "SDIO CLK"
+#define D_SENSOR_SDIO_D0       "SDIO D0"
+#define D_SENSOR_SDIO_D1       "SDIO D1"
+#define D_SENSOR_SDIO_D2       "SDIO D2"
+#define D_SENSOR_SDIO_D3       "SDIO D3"
 #define D_SENSOR_BACKLIGHT    "Backlight"
 #define D_SENSOR_PMS5003_TX    "PMS5003 Tx"
 #define D_SENSOR_PMS5003_RX    "PMS5003 Rx"

tasmota/language/bg_BG.h

@@ -651,6 +651,12 @@
 #define D_SENSOR_SPI_MISO      "SPI MISO"
 #define D_SENSOR_SPI_MOSI      "SPI MOSI"
 #define D_SENSOR_SPI_CLK       "SPI CLK"
+#define D_SENSOR_SDIO_CMD      "SDIO CMD"
+#define D_SENSOR_SDIO_CLK      "SDIO CLK"
+#define D_SENSOR_SDIO_D0       "SDIO D0"
+#define D_SENSOR_SDIO_D1       "SDIO D1"
+#define D_SENSOR_SDIO_D2       "SDIO D2"
+#define D_SENSOR_SDIO_D3       "SDIO D3"
 #define D_SENSOR_BACKLIGHT    "Подсветка"
 #define D_SENSOR_PMS5003_TX    "PMS5003 Tx"
 #define D_SENSOR_PMS5003_RX    "PMS5003 Rx"

tasmota/language/cs_CZ.h

@@ -651,6 +651,12 @@
 #define D_SENSOR_SPI_MISO      "SPI MISO"
 #define D_SENSOR_SPI_MOSI      "SPI MOSI"
 #define D_SENSOR_SPI_CLK       "SPI CLK"
+#define D_SENSOR_SDIO_CMD      "SDIO CMD"
+#define D_SENSOR_SDIO_CLK      "SDIO CLK"
+#define D_SENSOR_SDIO_D0       "SDIO D0"
+#define D_SENSOR_SDIO_D1       "SDIO D1"
+#define D_SENSOR_SDIO_D2       "SDIO D2"
+#define D_SENSOR_SDIO_D3       "SDIO D3"
 #define D_SENSOR_BACKLIGHT    "Backlight"
 #define D_SENSOR_PMS5003_TX    "PMS5003 Tx"
 #define D_SENSOR_PMS5003_RX    "PMS5003 Rx"

tasmota/language/de_DE.h

@@ -651,6 +651,12 @@
 #define D_SENSOR_SPI_MISO      "SPI MISO"
 #define D_SENSOR_SPI_MOSI      "SPI MOSI"
 #define D_SENSOR_SPI_CLK       "SPI CLK"
+#define D_SENSOR_SDIO_CMD      "SDIO CMD"
+#define D_SENSOR_SDIO_CLK      "SDIO CLK"
+#define D_SENSOR_SDIO_D0       "SDIO D0"
+#define D_SENSOR_SDIO_D1       "SDIO D1"
+#define D_SENSOR_SDIO_D2       "SDIO D2"
+#define D_SENSOR_SDIO_D3       "SDIO D3"
 #define D_SENSOR_BACKLIGHT    "Backlight"
 #define D_SENSOR_PMS5003_TX    "PMS5003 Tx"
 #define D_SENSOR_PMS5003_RX    "PMS5003 Rx"

tasmota/language/el_GR.h

@@ -651,6 +651,12 @@
 #define D_SENSOR_SPI_MISO      "SPI MISO"
 #define D_SENSOR_SPI_MOSI      "SPI MOSI"
 #define D_SENSOR_SPI_CLK       "SPI CLK"
+#define D_SENSOR_SDIO_CMD      "SDIO CMD"
+#define D_SENSOR_SDIO_CLK      "SDIO CLK"
+#define D_SENSOR_SDIO_D0       "SDIO D0"
+#define D_SENSOR_SDIO_D1       "SDIO D1"
+#define D_SENSOR_SDIO_D2       "SDIO D2"
+#define D_SENSOR_SDIO_D3       "SDIO D3"
 #define D_SENSOR_BACKLIGHT    "Backlight"
 #define D_SENSOR_PMS5003_TX    "PMS5003 Tx"
 #define D_SENSOR_PMS5003_RX    "PMS5003 Rx"

tasmota/language/en_GB.h

@@ -651,6 +651,12 @@
 #define D_SENSOR_SPI_MISO      "SPI MISO"
 #define D_SENSOR_SPI_MOSI      "SPI MOSI"
 #define D_SENSOR_SPI_CLK       "SPI CLK"
+#define D_SENSOR_SDIO_CMD      "SDIO CMD"
+#define D_SENSOR_SDIO_CLK      "SDIO CLK"
+#define D_SENSOR_SDIO_D0       "SDIO D0"
+#define D_SENSOR_SDIO_D1       "SDIO D1"
+#define D_SENSOR_SDIO_D2       "SDIO D2"
+#define D_SENSOR_SDIO_D3       "SDIO D3"
 #define D_SENSOR_BACKLIGHT    "Backlight"
 #define D_SENSOR_PMS5003_TX    "PMS5003 Tx"
 #define D_SENSOR_PMS5003_RX    "PMS5003 Rx"

tasmota/language/es_ES.h

@@ -651,6 +651,12 @@
 #define D_SENSOR_SPI_MISO      "SPI MISO"
 #define D_SENSOR_SPI_MOSI      "SPI MOSI"
 #define D_SENSOR_SPI_CLK       "SPI CLK"
+#define D_SENSOR_SDIO_CMD      "SDIO CMD"
+#define D_SENSOR_SDIO_CLK      "SDIO CLK"
+#define D_SENSOR_SDIO_D0       "SDIO D0"
+#define D_SENSOR_SDIO_D1       "SDIO D1"
+#define D_SENSOR_SDIO_D2       "SDIO D2"
+#define D_SENSOR_SDIO_D3       "SDIO D3"
 #define D_SENSOR_BACKLIGHT    "Backlight"
 #define D_SENSOR_PMS5003_TX    "PMS5003 Tx"
 #define D_SENSOR_PMS5003_RX    "PMS5003 Rx"

tasmota/language/fr_FR.h

@@ -651,6 +651,12 @@
 #define D_SENSOR_SPI_MISO      "SPI MISO"
 #define D_SENSOR_SPI_MOSI      "SPI MOSI"
 #define D_SENSOR_SPI_CLK       "SPI CLK"
+#define D_SENSOR_SDIO_CMD      "SDIO CMD"
+#define D_SENSOR_SDIO_CLK      "SDIO CLK"
+#define D_SENSOR_SDIO_D0       "SDIO D0"
+#define D_SENSOR_SDIO_D1       "SDIO D1"
+#define D_SENSOR_SDIO_D2       "SDIO D2"
+#define D_SENSOR_SDIO_D3       "SDIO D3"
 #define D_SENSOR_BACKLIGHT    "RétroÉcl"
 #define D_SENSOR_PMS5003_TX    "PMS5003 TX"
 #define D_SENSOR_PMS5003_RX    "PMS5003 RX"

tasmota/language/fy_NL.h

@@ -651,6 +651,12 @@
 #define D_SENSOR_SPI_MISO      "SPI MISO"
 #define D_SENSOR_SPI_MOSI      "SPI MOSI"
 #define D_SENSOR_SPI_CLK       "SPI CLK"
+#define D_SENSOR_SDIO_CMD      "SDIO CMD"
+#define D_SENSOR_SDIO_CLK      "SDIO CLK"
+#define D_SENSOR_SDIO_D0       "SDIO D0"
+#define D_SENSOR_SDIO_D1       "SDIO D1"
+#define D_SENSOR_SDIO_D2       "SDIO D2"
+#define D_SENSOR_SDIO_D3       "SDIO D3"
 #define D_SENSOR_BACKLIGHT    "Backlight"
 #define D_SENSOR_PMS5003_TX    "PMS5003 Tx"
 #define D_SENSOR_PMS5003_RX    "PMS5003 Rx"

tasmota/language/he_HE.h

@@ -651,6 +651,12 @@
 #define D_SENSOR_SPI_MISO      "SPI MISO"
 #define D_SENSOR_SPI_MOSI      "SPI MOSI"
 #define D_SENSOR_SPI_CLK       "SPI CLK"
+#define D_SENSOR_SDIO_CMD      "SDIO CMD"
+#define D_SENSOR_SDIO_CLK      "SDIO CLK"
+#define D_SENSOR_SDIO_D0       "SDIO D0"
+#define D_SENSOR_SDIO_D1       "SDIO D1"
+#define D_SENSOR_SDIO_D2       "SDIO D2"
+#define D_SENSOR_SDIO_D3       "SDIO D3"
 #define D_SENSOR_BACKLIGHT    "Backlight"
 #define D_SENSOR_PMS5003_TX    "PMS5003 Tx"
 #define D_SENSOR_PMS5003_RX    "PMS5003 Rx"

tasmota/language/hu_HU.h

@@ -651,6 +651,12 @@
 #define D_SENSOR_SPI_MISO      "SPI MISO"
 #define D_SENSOR_SPI_MOSI      "SPI MOSI"
 #define D_SENSOR_SPI_CLK       "SPI CLK"
+#define D_SENSOR_SDIO_CMD      "SDIO CMD"
+#define D_SENSOR_SDIO_CLK      "SDIO CLK"
+#define D_SENSOR_SDIO_D0       "SDIO D0"
+#define D_SENSOR_SDIO_D1       "SDIO D1"
+#define D_SENSOR_SDIO_D2       "SDIO D2"
+#define D_SENSOR_SDIO_D3       "SDIO D3"
 #define D_SENSOR_BACKLIGHT    "Háttérfény"
 #define D_SENSOR_PMS5003_TX    "PMS5003 Tx"
 #define D_SENSOR_PMS5003_RX    "PMS5003 Rx"

tasmota/language/it_IT.h

@@ -651,6 +651,12 @@
 #define D_SENSOR_SPI_MISO               "SPI - MISO"
 #define D_SENSOR_SPI_MOSI               "SPI - MOSI"
 #define D_SENSOR_SPI_CLK                "SPI - CLK"
+#define D_SENSOR_SDIO_CMD      "SDIO CMD"
+#define D_SENSOR_SDIO_CLK      "SDIO CLK"
+#define D_SENSOR_SDIO_D0       "SDIO D0"
+#define D_SENSOR_SDIO_D1       "SDIO D1"
+#define D_SENSOR_SDIO_D2       "SDIO D2"
+#define D_SENSOR_SDIO_D3       "SDIO D3"
 #define D_SENSOR_BACKLIGHT             "Retroilluminazione"
 #define D_SENSOR_PMS5003_TX             "PMS5003 - TX"
 #define D_SENSOR_PMS5003_RX             "PMS5003 - RX"

tasmota/language/ko_KO.h

@@ -651,6 +651,12 @@
 #define D_SENSOR_SPI_MISO      "SPI MISO"
 #define D_SENSOR_SPI_MOSI      "SPI MOSI"
 #define D_SENSOR_SPI_CLK       "SPI CLK"
+#define D_SENSOR_SDIO_CMD      "SDIO CMD"
+#define D_SENSOR_SDIO_CLK      "SDIO CLK"
+#define D_SENSOR_SDIO_D0       "SDIO D0"
+#define D_SENSOR_SDIO_D1       "SDIO D1"
+#define D_SENSOR_SDIO_D2       "SDIO D2"
+#define D_SENSOR_SDIO_D3       "SDIO D3"
 #define D_SENSOR_BACKLIGHT    "Backlight"
 #define D_SENSOR_PMS5003_TX    "PMS5003 Tx"
 #define D_SENSOR_PMS5003_RX    "PMS5003 Rx"

tasmota/language/nl_NL.h

@@ -651,6 +651,12 @@
 #define D_SENSOR_SPI_MISO      "SPI MISO"
 #define D_SENSOR_SPI_MOSI      "SPI MOSI"
 #define D_SENSOR_SPI_CLK       "SPI CLK"
+#define D_SENSOR_SDIO_CMD      "SDIO CMD"
+#define D_SENSOR_SDIO_CLK      "SDIO CLK"
+#define D_SENSOR_SDIO_D0       "SDIO D0"
+#define D_SENSOR_SDIO_D1       "SDIO D1"
+#define D_SENSOR_SDIO_D2       "SDIO D2"
+#define D_SENSOR_SDIO_D3       "SDIO D3"
 #define D_SENSOR_BACKLIGHT    "Backlight"
 #define D_SENSOR_PMS5003_TX    "PMS5003 Tx"
 #define D_SENSOR_PMS5003_RX    "PMS5003 Rx"

tasmota/language/pl_PL.h

@@ -651,6 +651,12 @@
 #define D_SENSOR_SPI_MISO      "SPI MISO"
 #define D_SENSOR_SPI_MOSI      "SPI MOSI"
 #define D_SENSOR_SPI_CLK       "SPI CLK"
+#define D_SENSOR_SDIO_CMD      "SDIO CMD"
+#define D_SENSOR_SDIO_CLK      "SDIO CLK"
+#define D_SENSOR_SDIO_D0       "SDIO D0"
+#define D_SENSOR_SDIO_D1       "SDIO D1"
+#define D_SENSOR_SDIO_D2       "SDIO D2"
+#define D_SENSOR_SDIO_D3       "SDIO D3"
 #define D_SENSOR_BACKLIGHT    "Podświetlanie"
 #define D_SENSOR_PMS5003_TX    "PMS5003 Tx"
 #define D_SENSOR_PMS5003_RX    "PMS5003 Rx"

tasmota/language/pt_BR.h

@@ -651,6 +651,12 @@
 #define D_SENSOR_SPI_MISO      "SPI MISO"
 #define D_SENSOR_SPI_MOSI      "SPI MOSI"
 #define D_SENSOR_SPI_CLK       "SPI CLK"
+#define D_SENSOR_SDIO_CMD      "SDIO CMD"
+#define D_SENSOR_SDIO_CLK      "SDIO CLK"
+#define D_SENSOR_SDIO_D0       "SDIO D0"
+#define D_SENSOR_SDIO_D1       "SDIO D1"
+#define D_SENSOR_SDIO_D2       "SDIO D2"
+#define D_SENSOR_SDIO_D3       "SDIO D3"
 #define D_SENSOR_BACKLIGHT    "Luz de fundo"
 #define D_SENSOR_PMS5003_TX    "PMS5003 Tx"
 #define D_SENSOR_PMS5003_RX    "PMS5003 Rx"

tasmota/language/pt_PT.h

@@ -651,6 +651,12 @@
 #define D_SENSOR_SPI_MISO      "SPI MISO"
 #define D_SENSOR_SPI_MOSI      "SPI MOSI"
 #define D_SENSOR_SPI_CLK       "SPI CLK"
+#define D_SENSOR_SDIO_CMD      "SDIO CMD"
+#define D_SENSOR_SDIO_CLK      "SDIO CLK"
+#define D_SENSOR_SDIO_D0       "SDIO D0"
+#define D_SENSOR_SDIO_D1       "SDIO D1"
+#define D_SENSOR_SDIO_D2       "SDIO D2"
+#define D_SENSOR_SDIO_D3       "SDIO D3"
 #define D_SENSOR_BACKLIGHT    "Luz fundo"
 #define D_SENSOR_PMS5003_TX    "PMS5003 Tx"
 #define D_SENSOR_PMS5003_RX    "PMS5003 Rx"

tasmota/language/ro_RO.h

@@ -651,6 +651,12 @@
 #define D_SENSOR_SPI_MISO      "SPI MISO"
 #define D_SENSOR_SPI_MOSI      "SPI MOSI"
 #define D_SENSOR_SPI_CLK       "SPI CLK"
+#define D_SENSOR_SDIO_CMD      "SDIO CMD"
+#define D_SENSOR_SDIO_CLK      "SDIO CLK"
+#define D_SENSOR_SDIO_D0       "SDIO D0"
+#define D_SENSOR_SDIO_D1       "SDIO D1"
+#define D_SENSOR_SDIO_D2       "SDIO D2"
+#define D_SENSOR_SDIO_D3       "SDIO D3"
 #define D_SENSOR_BACKLIGHT    "Backlight"
 #define D_SENSOR_PMS5003_TX    "PMS5003 Tx"
 #define D_SENSOR_PMS5003_RX    "PMS5003 Rx"

tasmota/language/ru_RU.h

@@ -651,6 +651,12 @@
 #define D_SENSOR_SPI_MISO      "SPI MISO"
 #define D_SENSOR_SPI_MOSI      "SPI MOSI"
 #define D_SENSOR_SPI_CLK       "SPI CLK"
+#define D_SENSOR_SDIO_CMD      "SDIO CMD"
+#define D_SENSOR_SDIO_CLK      "SDIO CLK"
+#define D_SENSOR_SDIO_D0       "SDIO D0"
+#define D_SENSOR_SDIO_D1       "SDIO D1"
+#define D_SENSOR_SDIO_D2       "SDIO D2"
+#define D_SENSOR_SDIO_D3       "SDIO D3"
 #define D_SENSOR_BACKLIGHT    "Backlight"
 #define D_SENSOR_PMS5003_TX    "PMS5003 Tx"
 #define D_SENSOR_PMS5003_RX    "PMS5003 Rx"

tasmota/language/sk_SK.h

@@ -651,6 +651,12 @@
 #define D_SENSOR_SPI_MISO      "SPI MISO"
 #define D_SENSOR_SPI_MOSI      "SPI MOSI"
 #define D_SENSOR_SPI_CLK       "SPI CLK"
+#define D_SENSOR_SDIO_CMD      "SDIO CMD"
+#define D_SENSOR_SDIO_CLK      "SDIO CLK"
+#define D_SENSOR_SDIO_D0       "SDIO D0"
+#define D_SENSOR_SDIO_D1       "SDIO D1"
+#define D_SENSOR_SDIO_D2       "SDIO D2"
+#define D_SENSOR_SDIO_D3       "SDIO D3"
 #define D_SENSOR_BACKLIGHT    "Backlight"
 #define D_SENSOR_PMS5003_TX    "PMS5003 Tx"
 #define D_SENSOR_PMS5003_RX    "PMS5003 Rx"

tasmota/language/sv_SE.h

@@ -651,6 +651,12 @@
 #define D_SENSOR_SPI_MISO      "SPI MISO"
 #define D_SENSOR_SPI_MOSI      "SPI MOSI"
 #define D_SENSOR_SPI_CLK       "SPI CLK"
+#define D_SENSOR_SDIO_CMD      "SDIO CMD"
+#define D_SENSOR_SDIO_CLK      "SDIO CLK"
+#define D_SENSOR_SDIO_D0       "SDIO D0"
+#define D_SENSOR_SDIO_D1       "SDIO D1"
+#define D_SENSOR_SDIO_D2       "SDIO D2"
+#define D_SENSOR_SDIO_D3       "SDIO D3"
 #define D_SENSOR_BACKLIGHT    "Backlight"
 #define D_SENSOR_PMS5003_TX    "PMS5003 Tx"
 #define D_SENSOR_PMS5003_RX    "PMS5003 Rx"

tasmota/language/tr_TR.h

@@ -651,6 +651,12 @@
 #define D_SENSOR_SPI_MISO      "SPI MISO"
 #define D_SENSOR_SPI_MOSI      "SPI MOSI"
 #define D_SENSOR_SPI_CLK       "SPI CLK"
+#define D_SENSOR_SDIO_CMD      "SDIO CMD"
+#define D_SENSOR_SDIO_CLK      "SDIO CLK"
+#define D_SENSOR_SDIO_D0       "SDIO D0"
+#define D_SENSOR_SDIO_D1       "SDIO D1"
+#define D_SENSOR_SDIO_D2       "SDIO D2"
+#define D_SENSOR_SDIO_D3       "SDIO D3"
 #define D_SENSOR_BACKLIGHT    "Backlight"
 #define D_SENSOR_PMS5003_TX    "PMS5003 Tx"
 #define D_SENSOR_PMS5003_RX    "PMS5003 Rx"

tasmota/language/uk_UA.h

@@ -651,6 +651,12 @@
 #define D_SENSOR_SPI_MISO      "SPI MISO"
 #define D_SENSOR_SPI_MOSI      "SPI MOSI"
 #define D_SENSOR_SPI_CLK       "SPI CLK"
+#define D_SENSOR_SDIO_CMD      "SDIO CMD"
+#define D_SENSOR_SDIO_CLK      "SDIO CLK"
+#define D_SENSOR_SDIO_D0       "SDIO D0"
+#define D_SENSOR_SDIO_D1       "SDIO D1"
+#define D_SENSOR_SDIO_D2       "SDIO D2"
+#define D_SENSOR_SDIO_D3       "SDIO D3"
 #define D_SENSOR_BACKLIGHT    "OLED Light"
 #define D_SENSOR_PMS5003_TX    "PMS5003 Tx"
 #define D_SENSOR_PMS5003_RX    "PMS5003 Rx"

tasmota/language/vi_VN.h

@@ -651,6 +651,12 @@
 #define D_SENSOR_SPI_MISO      "SPI MISO"
 #define D_SENSOR_SPI_MOSI      "SPI MOSI"
 #define D_SENSOR_SPI_CLK       "SPI CLK"
+#define D_SENSOR_SDIO_CMD      "SDIO CMD"
+#define D_SENSOR_SDIO_CLK      "SDIO CLK"
+#define D_SENSOR_SDIO_D0       "SDIO D0"
+#define D_SENSOR_SDIO_D1       "SDIO D1"
+#define D_SENSOR_SDIO_D2       "SDIO D2"
+#define D_SENSOR_SDIO_D3       "SDIO D3"
 #define D_SENSOR_BACKLIGHT    "Backlight"
 #define D_SENSOR_PMS5003_TX    "PMS5003 Tx"
 #define D_SENSOR_PMS5003_RX    "PMS5003 Rx"

tasmota/language/zh_CN.h

@@ -651,6 +651,12 @@
 #define D_SENSOR_SPI_MISO      "SPI MISO"
 #define D_SENSOR_SPI_MOSI      "SPI MOSI"
 #define D_SENSOR_SPI_CLK       "SPI CLK"
+#define D_SENSOR_SDIO_CMD      "SDIO CMD"
+#define D_SENSOR_SDIO_CLK      "SDIO CLK"
+#define D_SENSOR_SDIO_D0       "SDIO D0"
+#define D_SENSOR_SDIO_D1       "SDIO D1"
+#define D_SENSOR_SDIO_D2       "SDIO D2"
+#define D_SENSOR_SDIO_D3       "SDIO D3"
 #define D_SENSOR_BACKLIGHT    "Backlight"
 #define D_SENSOR_PMS5003_TX    "PMS5003 Tx"
 #define D_SENSOR_PMS5003_RX    "PMS5003 Rx"

tasmota/language/zh_TW.h

@@ -651,6 +651,12 @@
 #define D_SENSOR_SPI_MISO      "SPI MISO"
 #define D_SENSOR_SPI_MOSI      "SPI MOSI"
 #define D_SENSOR_SPI_CLK       "SPI CLK"
+#define D_SENSOR_SDIO_CMD      "SDIO CMD"
+#define D_SENSOR_SDIO_CLK      "SDIO CLK"
+#define D_SENSOR_SDIO_D0       "SDIO D0"
+#define D_SENSOR_SDIO_D1       "SDIO D1"
+#define D_SENSOR_SDIO_D2       "SDIO D2"
+#define D_SENSOR_SDIO_D3       "SDIO D3"
 #define D_SENSOR_BACKLIGHT    "Backlight"
 #define D_SENSOR_PMS5003_TX    "PMS5003 Tx"
 #define D_SENSOR_PMS5003_RX    "PMS5003 Rx"

tasmota/tasmota.ino

@@ -75,6 +75,7 @@
 #include <LittleFS.h>
 #ifdef USE_SDCARD
 #include <SD.h>
+#include <SD_MMC.h>
 #endif  // USE_SDCARD
 #include "FFat.h"
 #include "FS.h"

tasmota/tasmota_template.h

@@ -186,6 +186,7 @@ enum UserSelectablePins {
   GPIO_ADE7880_IRQ,                    // ADE7880 IRQ
   GPIO_RESET,                          // Generic reset
   GPIO_MS01,                           // Sonoff MS01 Moisture Sensor 1wire interface
+  GPIO_SDIO_CMD, GPIO_SDIO_CLK, GPIO_SDIO_D0, GPIO_SDIO_D1, GPIO_SDIO_D2, GPIO_SDIO_D3, // SD Card SDIO interface, including 1-bit and 4-bit modes
   GPIO_SENSOR_END };
 
 enum ProgramSelectablePins {
@@ -411,6 +412,12 @@ const char kSensorNames[] PROGMEM =
   D_SENSOR_ADE7880_IRQ "|"
   D_SENSOR_RESET "|"
   D_SENSOR_MS01 "|"
+  D_SENSOR_SDIO_CMD "|"
+  D_SENSOR_SDIO_CLK "|"
+  D_SENSOR_SDIO_D0 "|"
+  D_SENSOR_SDIO_D1 "|"
+  D_SENSOR_SDIO_D2 "|"
+  D_SENSOR_SDIO_D3 "|"
   ;
 
 const char kSensorNamesFixed[] PROGMEM =
@@ -516,13 +523,22 @@ const uint16_t kGpioNiceList[] PROGMEM = {
   AGPIO(GPIO_RC522_RST),                // RC522 Rfid Reset
 #endif
 #ifdef USE_SDCARD
-  AGPIO(GPIO_SDCARD_CS),
+  AGPIO(GPIO_SDCARD_CS),                // SDCard in SPI mode
 #endif  // USE_SDCARD
 #ifdef USE_MCP2515
   AGPIO(GPIO_MCP2515_CS),
 #endif  // USE_MCP2515
 #endif  // USE_SPI
 
+#if defined(USE_SDCARD) && defined(ESP32)
+  AGPIO(GPIO_SDIO_CMD),                 // SDCard in SDIO mode
+  AGPIO(GPIO_SDIO_CLK),
+  AGPIO(GPIO_SDIO_D0),
+  AGPIO(GPIO_SDIO_D1),                  // (opt) if in 4-bit mode, DAT1-3 are needed
+  AGPIO(GPIO_SDIO_D2),
+  AGPIO(GPIO_SDIO_D3),
+#endif  // USE_SDCARD
+
   AGPIO(GPIO_SSPI_MISO),      // Software SPI Master Input Client Output
   AGPIO(GPIO_SSPI_MOSI),      // Software SPI Master Output Client Input
   AGPIO(GPIO_SSPI_SCLK),      // Software SPI Serial Clock

tasmota/xdrv_50_filesystem.ino

@@ -41,10 +41,6 @@ ufsfree   free size in kB
 
 #define XDRV_50           50
 
-#ifndef SDCARD_CS_PIN
-#define SDCARD_CS_PIN     4
-#endif
-
 #define UFS_TNONE         0
 #define UFS_TSDC          1
 #define UFS_TFAT          2
@@ -141,17 +137,14 @@ void UfsInit(void) {
 
 #ifdef USE_SDCARD
 void UfsCheckSDCardInit(void) {
-  if (TasmotaGlobal.spi_enabled) {
+  // Try SPI mode first
-    int8_t cs = SDCARD_CS_PIN;
+  // SPI mode requires SDCARD_CS to be configured
-    if (PinUsed(GPIO_SDCARD_CS)) {
+  if (TasmotaGlobal.spi_enabled && PinUsed(GPIO_SDCARD_CS)) {
-      cs = Pin(GPIO_SDCARD_CS);
+    int8_t cs = Pin(GPIO_SDCARD_CS);
-    }
-
 
 #ifdef EPS8266
     SPI.begin();
 #endif // EPS8266
-
 #ifdef ESP32
     SPI.begin(Pin(GPIO_SPI_CLK), Pin(GPIO_SPI_MISO), Pin(GPIO_SPI_MOSI), -1);
 #endif // ESP32
@@ -160,10 +153,10 @@ void UfsCheckSDCardInit(void) {
 #ifdef ESP8266
       ufsp = &SDFS;
 #endif  // ESP8266
-
 #ifdef ESP32
       ufsp = &SD;
 #endif  // ESP32
+
       ufs_type = UFS_TSDC;
       dfsp = ufsp;
       if (ffsp) {ufs_dir = 1;}
@@ -173,10 +166,38 @@ void UfsCheckSDCardInit(void) {
       AddLog(LOG_LEVEL_INFO, PSTR("UFS: SDCard mounted"));
 #endif // ESP8266
 #ifdef ESP32
-      AddLog(LOG_LEVEL_INFO, PSTR("UFS: SDCard mounted with %d kB free"), UfsInfo(1, 0));
+      AddLog(LOG_LEVEL_INFO, PSTR("UFS: SDCard mounted (SPI mode) with %d kB free"), UfsInfo(1, 0));
 #endif // ESP32
     }
   }
+#ifdef ESP32 
+  // check if SDIO is configured
+  else if (PinUsed(GPIO_SDIO_CLK) && PinUsed(GPIO_SDIO_CMD) && PinUsed(GPIO_SDIO_D0)) {
+    int32_t sdio_cmd = Pin(GPIO_SDIO_CMD);
+    int32_t sdio_clk = Pin(GPIO_SDIO_CLK);
+    int32_t sdio_d0 = Pin(GPIO_SDIO_D0);
+    int32_t sdio_d1 = Pin(GPIO_SDIO_D1);
+    int32_t sdio_d2 = Pin(GPIO_SDIO_D2);
+    int32_t sdio_d3 = Pin(GPIO_SDIO_D3);
+    bool bit_4_mode = (sdio_d1 >= 0) && (sdio_d2 >= 0) && (sdio_d3 >= 0);   // enable 4-bit mode if possible
+    if (bit_4_mode) {
+      // AddLog(LOG_LEVEL_DEBUG, "UFS: trying SDIO 4-bit clk=%i cmd=%i d0=%i d1=%i d2=%i d3=%i", sdio_clk, sdio_cmd, sdio_d0, sdio_d1, sdio_d2, sdio_d3);
+      SD_MMC.setPins(sdio_clk, sdio_cmd, sdio_d0, sdio_d1, sdio_d2, sdio_d3);
+    } else {
+      // AddLog(LOG_LEVEL_DEBUG, "UFS: trying SDIO 1-bit clk=%i cmd=%i d0=%i", sdio_clk, sdio_cmd, sdio_d0);
+      SD_MMC.setPins(sdio_clk, sdio_cmd, sdio_d0);
+    }
+    if (SD_MMC.begin("/sd", !bit_4_mode /*mode 1 bit*/, false /*format_if_failed*/)) {    // mount under "/sd" to be consistent with SD SPI
+      ufsp = &SD_MMC;
+
+      ufs_type = UFS_TSDC;
+      dfsp = ufsp;
+      if (ffsp) {ufs_dir = 1;}
+      // make sd card the global filesystem
+      AddLog(LOG_LEVEL_INFO, PSTR("UFS: SDCard mounted (SDIO %i-bit) with %d kB free"), bit_4_mode ? 4 : 1, UfsInfo(1, 0));
+    }
+  }
+#endif
 }
 #endif // USE_SDCARD