diff --git a/README.md b/README.md
index eee0ad1..aa9bdda 100644
--- a/README.md
+++ b/README.md
@@ -2,6 +2,8 @@
 
 This repository contails various of example which show you how to port IRext decode algorithm to different OS and platforms
 
+Version 1.2.7
+
 - Android example
 - CC26XX ARM-Cortex M3 example
 - Java web example with JNI
diff --git a/win32-example/IRextWin32Example/ir_decoder/src/include/ir_ac_build_frame.h b/win32-example/IRextWin32Example/ir_decoder/src/include/ir_ac_build_frame.h
index 1b55b11..f77274d 100644
--- a/win32-example/IRextWin32Example/ir_decoder/src/include/ir_ac_build_frame.h
+++ b/win32-example/IRextWin32Example/ir_decoder/src/include/ir_ac_build_frame.h
@@ -1,5 +1,5 @@
 /**************************************************************************************
-Filename:       ir_utils.c
+Filename:       ir_ac_build_frame.h
 Revised:        Date: 2016-10-26
 Revision:       Revision: 1.0
 
diff --git a/win32-example/IRextWin32Example/ir_decoder/src/include/ir_ac_parse_forbidden_info.h b/win32-example/IRextWin32Example/ir_decoder/src/include/ir_ac_parse_forbidden_info.h
index a134ff9..ce86c1e 100644
--- a/win32-example/IRextWin32Example/ir_decoder/src/include/ir_ac_parse_forbidden_info.h
+++ b/win32-example/IRextWin32Example/ir_decoder/src/include/ir_ac_parse_forbidden_info.h
@@ -1,5 +1,5 @@
 /**************************************************************************************
-Filename:       ir_parse_forbidden_info.h
+Filename:       ir_ac_parse_forbidden_info.h
 Revised:        Date: 2016-10-05
 Revision:       Revision: 1.0
 
diff --git a/win32-example/IRextWin32Example/ir_decoder/src/include/ir_ac_parse_frame_info.h b/win32-example/IRextWin32Example/ir_decoder/src/include/ir_ac_parse_frame_info.h
index 3016ea2..3ca3667 100644
--- a/win32-example/IRextWin32Example/ir_decoder/src/include/ir_ac_parse_frame_info.h
+++ b/win32-example/IRextWin32Example/ir_decoder/src/include/ir_ac_parse_frame_info.h
@@ -1,5 +1,5 @@
 /**************************************************************************************
-Filename:       ir_parse_frame_parameter.h
+Filename:       ir_ac_parse_frame_info.h
 Revised:        Date: 2016-10-11
 Revision:       Revision: 1.0
 
diff --git a/win32-example/IRextWin32Example/ir_decoder/src/include/ir_ac_parse_parameter.h b/win32-example/IRextWin32Example/ir_decoder/src/include/ir_ac_parse_parameter.h
index c991e46..78680e8 100644
--- a/win32-example/IRextWin32Example/ir_decoder/src/include/ir_ac_parse_parameter.h
+++ b/win32-example/IRextWin32Example/ir_decoder/src/include/ir_ac_parse_parameter.h
@@ -1,5 +1,5 @@
 /**************************************************************************************
-Filename:       ir_parse_ac_parameter.h
+Filename:       ir_ac_parse_parameter.h
 Revised:        Date: 2016-10-12
 Revision:       Revision: 1.0
 
diff --git a/win32-example/IRextWin32Example/ir_decoder/src/include/ir_decode.h b/win32-example/IRextWin32Example/ir_decoder/src/include/ir_decode.h
index e0069aa..6d7ebeb 100644
--- a/win32-example/IRextWin32Example/ir_decoder/src/include/ir_decode.h
+++ b/win32-example/IRextWin32Example/ir_decoder/src/include/ir_decode.h
@@ -221,10 +221,11 @@ typedef enum
 
 typedef enum
 {
-    SUB_CATEGORY_QUATERNARY = 0,
-    SUB_CATEGORY_HEXADECIMAL = 1,
-    SUB_CATEGORY_NEXT = 2,
-    SUB_CATEGORY_MAX = 7,
+    SUB_CATEGORY_BINARY = 0, // deprecated
+    SUB_CATEGORY_QUATERNARY = 1,
+    SUB_CATEGORY_HEXADECIMAL = 2,
+    SUB_CATEGORY_NEXT = 3,
+    SUB_CATEGORY_MAX = 4,
 } t_remote_sub_category;
 
 /**
diff --git a/win32-example/IRextWin32Example/ir_decoder/src/include/ir_tv_control.h b/win32-example/IRextWin32Example/ir_decoder/src/include/ir_tv_control.h
index fc948f6..94f04ae 100644
--- a/win32-example/IRextWin32Example/ir_decoder/src/include/ir_tv_control.h
+++ b/win32-example/IRextWin32Example/ir_decoder/src/include/ir_tv_control.h
@@ -1,5 +1,5 @@
 /**************************************************************************************
-Filename:       ir_lib.h
+Filename:       ir_tv_control.h
 Revised:        Date: 2016-02-23
 Revision:       Revision: 1.0
 
diff --git a/win32-example/IRextWin32Example/ir_decoder/src/ir_ac_binary_parse.c b/win32-example/IRextWin32Example/ir_decoder/src/ir_ac_binary_parse.c
index c2ff2eb..de1f016 100644
--- a/win32-example/IRextWin32Example/ir_decoder/src/ir_ac_binary_parse.c
+++ b/win32-example/IRextWin32Example/ir_decoder/src/ir_ac_binary_parse.c
@@ -33,11 +33,11 @@ const UINT16 tag_index[TAG_COUNT_FOR_PROTOCOL] =
 INT8 binary_parse_offset()
 {
     int i = 0;
-#if defined BOARD_ESP8266
+#if defined(ESP8266) || defined(ESP32)
 	UINT8 *phead = (UINT8 *)&p_ir_buffer->data[1];
 #else
 	UINT16 *phead = (UINT16 *)&p_ir_buffer->data[1];
-#endif // BOARD_ESP8266
+#endif // ESPRESSIF
 
     tag_count = p_ir_buffer->data[0];
     if (TAG_COUNT_FOR_PROTOCOL != tag_count)
@@ -63,7 +63,7 @@ INT8 binary_parse_offset()
 #if defined BOARD_STM8 && defined COMPILER_IAR
         UINT16 offset = *(phead + i);
         tags[i].offset = (offset >> 8) | (offset << 8);
-#elif defined BOARD_ESP8266
+#elif defined(ESP8266) || defined(ESP32)
         UINT16 tmp_a = *(phead + i * 2);
         UINT16 tmp_b = *(phead + i * 2 + 1);
         tags[i].offset = tmp_b << 8 | tmp_a;
diff --git a/win32-example/IRextWin32Example/ir_decoder/src/ir_ac_build_frame.c b/win32-example/IRextWin32Example/ir_decoder/src/ir_ac_build_frame.c
index 2ba3272..366e08c 100644
--- a/win32-example/IRextWin32Example/ir_decoder/src/ir_ac_build_frame.c
+++ b/win32-example/IRextWin32Example/ir_decoder/src/ir_ac_build_frame.c
@@ -1,5 +1,5 @@
 /**************************************************************************************
-Filename:       ir_irframe.c
+Filename:       ir_ac_build_frame.c
 Revised:        Date: 2016-10-01
 Revision:       Revision: 1.0
 
diff --git a/win32-example/IRextWin32Example/ir_decoder/src/ir_ac_parse_frame_info.c b/win32-example/IRextWin32Example/ir_decoder/src/ir_ac_parse_frame_info.c
index 336530d..d103815 100644
--- a/win32-example/IRextWin32Example/ir_decoder/src/ir_ac_parse_frame_info.c
+++ b/win32-example/IRextWin32Example/ir_decoder/src/ir_ac_parse_frame_info.c
@@ -1,5 +1,5 @@
 /**************************************************************************************
-Filename:       ir_parse_frame_parameter.c
+Filename:       ir_ac_parse_frame_info.c
 Revised:        Date: 2016-10-11
 Revision:       Revision: 1.0
 
diff --git a/win32-example/IRextWin32Example/ir_decoder/src/ir_ac_parse_parameter.c b/win32-example/IRextWin32Example/ir_decoder/src/ir_ac_parse_parameter.c
index ee4e4e9..d8d2a03 100644
--- a/win32-example/IRextWin32Example/ir_decoder/src/ir_ac_parse_parameter.c
+++ b/win32-example/IRextWin32Example/ir_decoder/src/ir_ac_parse_parameter.c
@@ -1,5 +1,5 @@
 /**************************************************************************************
-Filename:       ir_parse_ac_parameter.c
+Filename:       ir_ac_parse_parameter.c
 Revised:        Date: 2016-10-12
 Revision:       Revision: 1.0
 
diff --git a/win32-example/IRextWin32Example/ir_decoder/src/ir_decode.c b/win32-example/IRextWin32Example/ir_decoder/src/ir_decode.c
index 008439e..1994d5f 100644
--- a/win32-example/IRextWin32Example/ir_decoder/src/ir_decode.c
+++ b/win32-example/IRextWin32Example/ir_decoder/src/ir_decode.c
@@ -139,13 +139,13 @@ INT8 ir_file_open(const UINT8 category, const UINT8 sub_category, const char* fi
     else
     {
         ir_binary_type = IR_TYPE_COMMANDS;
-        if (1 == sub_category)
+        if (SUB_CATEGORY_QUATERNARY == sub_category)
         {
-            ir_hexadecimal = SUB_CATEGORY_QUATERNARY;
+            ir_hexadecimal = 0;
         }
-        else if (2 == sub_category)
+        else if (SUB_CATEGORY_HEXADECIMAL == sub_category)
         {
-            ir_hexadecimal = SUB_CATEGORY_HEXADECIMAL;
+            ir_hexadecimal = 1;
         }
         else
         {
@@ -205,13 +205,13 @@ INT8 ir_binary_open(const UINT8 category, const UINT8 sub_category, UINT8* binar
     else
     {
         ir_binary_type = IR_TYPE_COMMANDS;
-        if (1 == sub_category)
+        if (SUB_CATEGORY_QUATERNARY == sub_category)
         {
-            ir_hexadecimal = SUB_CATEGORY_QUATERNARY;
+            ir_hexadecimal = 0;
         }
-        else if (2 == sub_category)
+        else if (SUB_CATEGORY_HEXADECIMAL == sub_category)
         {
-            ir_hexadecimal = SUB_CATEGORY_HEXADECIMAL;
+            ir_hexadecimal = 1;
         }
         else
         {
diff --git a/win32-example/IRextWin32Example/ir_decoder/src/ir_decode_test.c b/win32-example/IRextWin32Example/ir_decoder/src/ir_decode_test.c
index d14f0f3..f3d3a85 100644
--- a/win32-example/IRextWin32Example/ir_decoder/src/ir_decode_test.c
+++ b/win32-example/IRextWin32Example/ir_decoder/src/ir_decode_test.c
@@ -1,9 +1,9 @@
 /**************************************************************************************
-Filename:       ir_main.c
+Filename:       ir_decode_test.c
 Revised:        Date: 2016-11-05
 Revision:       Revision: 1.0
 
-Description:    This file provides main entry for irda decoder
+Description:    This file provides main entry for irda decoder test
 
 Revision log:
 * 2016-11-05: created by strawmanbobi
@@ -12,7 +12,6 @@ Revision log:
 #pragma ide diagnostic ignored "OCUnusedMacroInspection"
 
 #include <ctype.h>
-#include <libgen.h>
 #include <stdlib.h>
 #include <stdio.h>
 #include <string.h>
@@ -60,7 +59,6 @@ static INT8 decode_as_ac(char *file_name)
 {
     BOOL op_match = TRUE;
     BOOL change_wind_dir = FALSE;
-    UINT8 function_code = AC_FUNCTION_MAX;
     int key_code = 0;
     int first_time = 1;
     int length = 0;
@@ -74,13 +72,13 @@ static INT8 decode_as_ac(char *file_name)
     UINT8 supported_swing = 0x00;
     UINT8 supported_wind_direction = 0x00;
 
-    BOOL need_control;
+    BOOL need_control = TRUE;
 
     // init air conditioner status
     ac_status.ac_display = 0;
     ac_status.ac_sleep = 0;
     ac_status.ac_timer = 0;
-    ac_status.ac_power = AC_POWER_OFF;
+    ac_status.ac_power = AC_POWER_ON;
     ac_status.ac_mode = AC_MODE_COOL;
     ac_status.ac_temp = AC_TEMP_20;
     ac_status.ac_wind_dir = AC_SWING_ON;
@@ -164,8 +162,9 @@ static INT8 decode_as_ac(char *file_name)
         {
             switch (key_code)
             {
+                // notice: only if ac_power is turned on will user_data change when input a different key_code
                 case 0:
-                    ac_status.ac_power = ((ac_status.ac_wind_dir == AC_POWER_ON) ? AC_POWER_OFF : AC_POWER_ON);
+                    ac_status.ac_power = ((ac_status.ac_power == AC_POWER_ON) ? AC_POWER_OFF : AC_POWER_ON);
                     need_control = TRUE;
                     break;
 
@@ -212,21 +211,20 @@ static INT8 decode_as_ac(char *file_name)
 
             if (TRUE == op_match && TRUE == need_control)
             {
-                printf("switch AC to power = %d, mode = %d, temp = %d, speed = %d, swing = %d with function code = %d\n",
+                printf("switch AC to power = %d, mode = %d, temp = %d, speed = %d, swing = %d with key_code = %d\n",
                        ac_status.ac_power,
                        ac_status.ac_mode,
                        ac_status.ac_temp,
                        ac_status.ac_wind_speed,
                        ac_status.ac_wind_dir,
-                       function_code);
-
-                length = ir_decode(function_code, user_data, &ac_status, change_wind_dir);
+                       key_code);
+                length = ir_decode(key_code, user_data, &ac_status, change_wind_dir);
                 printf("\n === Binary decoded : %d\n", length);
                 for (index = 0; index < length; index++)
                 {
                     printf("%d, ", user_data[index]);
                 }
-                printf("===\n");
+                printf("\n");
             }
         }
     } while (TRUE);
@@ -296,7 +294,7 @@ int main(int argc, char *argv[])
 
     if (4 != argc)
     {
-        print_usage(basename(argv[0]));
+        print_usage((argv[0]));
         return -1;
     }
 
@@ -319,6 +317,4 @@ int main(int argc, char *argv[])
             printf("Decode functionality not supported : %c\n", function);
             break;
     }
-
-
 }
\ No newline at end of file
diff --git a/win32-example/IRextWin32Example/ir_decoder/src/ir_tv_control.c b/win32-example/IRextWin32Example/ir_decoder/src/ir_tv_control.c
index 9585034..53a3e80 100644
--- a/win32-example/IRextWin32Example/ir_decoder/src/ir_tv_control.c
+++ b/win32-example/IRextWin32Example/ir_decoder/src/ir_tv_control.c
@@ -1,5 +1,5 @@
 /**************************************************************************************
-Filename:       ir_lib.c
+Filename:       ir_tv_control.c
 Revised:        Date: 2016-10-21
 Revision:       Revision: 1.0
 
@@ -120,7 +120,8 @@ static BOOL get_ir_protocol(UINT8 encode_type)
 
     if (encode_type == 0)
     {
-        cycles_num_size = 8;      /* "BOOT", "STOP", "SEP", "ONE", "ZERO", "FLIP", "TWO", "THREE" */
+        cycles_num_size = 8;
+        /* "BOOT", "STOP", "SEP", "ONE", "ZERO", "FLIP", "TWO", "THREE" */
         if (prot_cycles_num[IRDA_TWO] == 0 && prot_cycles_num[IRDA_THREE] == 0)
         {
             ir_decode_flag = IRDA_DECODE_1_BIT;