diff --git a/tfrog-motordriver/communication.c b/tfrog-motordriver/communication.c
index ca87e88..e748393 100644
--- a/tfrog-motordriver/communication.c
+++ b/tfrog-motordriver/communication.c
@@ -119,6 +119,11 @@ int hextoi(char* buf)
       ret *= 16;
       ret += *buf - 'A' + 0xA;
     }
+    else if ('a' <= *buf && *buf <= 'f')
+    {
+      ret *= 16;
+      ret += *buf - 'a' + 0xA;
+    }
     buf++;
   }
   return ret;
@@ -1033,6 +1038,12 @@ int extended_command_analyze(char* data)
     send("BUZ_LVL");
     itoa10(val, saved_param.buz_lvl);
     send(val);
+    send("; \nINITIODIR:");
+    nhex(val, saved_param.io_dir, 2);
+    send(val);
+    send("; \nINITIODATA:");
+    nhex(val, saved_param.io_data, 2);
+    send(val);
     send("; \n\n");
   }
   else if (strstr(data, "$LOCKPARAM") == data)
@@ -1237,6 +1248,20 @@ int extended_command_analyze(char* data)
     send(data);
     send("\n00P\n\n");
   }
+  else if (strstr(data, "$SETINITIODIR") == data)
+  {
+    saved_param.io_dir = hextoi(data + 13);
+
+    send(data);
+    send("\n00P\n\n");
+  }
+  else if (strstr(data, "$SETINITIODATA") == data)
+  {
+    saved_param.io_data = hextoi(data + 14);
+
+    send(data);
+    send("\n00P\n\n");
+  }
   else if (strstr(data, "$EEPROMSAVE") == data)
   {
     if (EEPROM_Write(0, &saved_param, sizeof(saved_param)) < 0)
diff --git a/tfrog-motordriver/eeprom.h b/tfrog-motordriver/eeprom.h
index 58657ee..55d221d 100644
--- a/tfrog-motordriver/eeprom.h
+++ b/tfrog-motordriver/eeprom.h
@@ -37,6 +37,8 @@ typedef struct _Tfrog_EEPROM_data
   unsigned char buz_lvl;
   unsigned char high_frequency_encoder;
   unsigned char rely_hall;
+  unsigned char io_dir;
+  unsigned char io_data;
   char __endbyte;  // must be at the end of the struct to detect actual struct size
 } Tfrog_EEPROM_data;
 
@@ -64,6 +66,8 @@ typedef struct _Tfrog_EEPROM_data
         0,                          \
         0,                          \
         0,                          \
+        0,                          \
+        0,                          \
   }
 
 #define TFROG_EEPROM_DATA_TEXT 0
diff --git a/tfrog-motordriver/main.c b/tfrog-motordriver/main.c
index 64588d3..a095cc9 100644
--- a/tfrog-motordriver/main.c
+++ b/tfrog-motordriver/main.c
@@ -586,6 +586,10 @@ int main()
     {
       THEVA.GENERAL.ENCODER.HFREQ = 0;
     }
+
+    driver_state.io_dir = saved_param.io_dir;
+    set_io_dir(saved_param.io_dir);
+    set_io_data(saved_param.io_data);
   }
 
   // Configure USB vbus pin