Remove strange CMD_052D (and save 148 bytes)

app/uart.c

@@ -210,13 +210,9 @@ static void SendVersion(void)
     SendReply(&Reply, sizeof(Reply));
 }
 
+#ifndef ENABLE_FEAT_F4HWN
 static bool IsBadChallenge(const uint32_t *pKey, const uint32_t *pIn, const uint32_t *pResponse)
 {
-    #ifdef ENABLE_FEAT_F4HWN
-        UNUSED(pKey);
-        UNUSED(pIn);
-        UNUSED(pResponse);
-    #else
     unsigned int i;
     uint32_t     IV[4];
 
@@ -230,9 +226,10 @@ static bool IsBadChallenge(const uint32_t *pKey, const uint32_t *pIn, const uint
     for (i = 0; i < 4; i++)
         if (IV[i] != pResponse[i])
             return true;
-    #endif
+
     return false;
 }
+#endif
 
 // session init, sends back version info and state
 // timestamp is a session id really
@@ -360,6 +357,7 @@ static void CMD_0529(void)
     SendReply(&Reply, sizeof(Reply));
 }
 
+#ifndef ENABLE_FEAT_F4HWN
 static void CMD_052D(const uint8_t *pBuffer)
 {
     const CMD_052D_t *pCmd = (const CMD_052D_t *)pBuffer;
@@ -400,6 +398,7 @@ static void CMD_052D(const uint8_t *pBuffer)
 
     SendReply(&Reply, sizeof(Reply));
 }
+#endif
 
 // session init, sends back version info and state
 // timestamp is a session id really
@@ -601,9 +600,11 @@ void UART_HandleCommand(void)
             CMD_0529();
             break;
             
+        #ifndef ENABLE_FEAT_F4HWN
             case 0x052D:
                 CMD_052D(UART_Command.Buffer);
                 break;
+        #endif
     
         case 0x052F:
             CMD_052F(UART_Command.Buffer);

settings.c

@@ -329,6 +329,7 @@ void SETTINGS_InitEEPROM(void)
         // 0F30..0F3F
         EEPROM_ReadBuffer(0x0F30, gCustomAesKey, sizeof(gCustomAesKey));
         bHasCustomAesKey = false;
+        #ifndef ENABLE_FEAT_F4HWN
             for (unsigned int i = 0; i < ARRAY_SIZE(gCustomAesKey); i++)
             {
                 if (gCustomAesKey[i] != 0xFFFFFFFFu)
@@ -337,6 +338,7 @@ void SETTINGS_InitEEPROM(void)
                     return;
                 }
             }
+        #endif
 
     #ifdef ENABLE_FEAT_F4HWN
         // 1FF0..0x1FF7