Support for ESP8266 - NodeMCU modules

Fixed a crash of the ESP8266 - NodeMCU modules.

PS2Keyboard.cpp

@@ -149,7 +149,7 @@ const PROGMEM PS2Keymap_t PS2Keymap_US = {
 	'0', '.', '2', '5', '6', '8', PS2_ESC, 0 /*NumLock*/,
 	PS2_F11, '+', '3', '-', '*', '9', PS2_SCROLL, 0,
 	0, 0, 0, PS2_F7 },
-	0
+	{0}
 };
 
 
@@ -190,7 +190,7 @@ const PROGMEM PS2Keymap_t PS2Keymap_German = {
 	'0', '.', '2', '5', '6', '8', PS2_ESC, 0 /*NumLock*/,
 	PS2_F11, '+', '3', '-', '*', '9', PS2_SCROLL, 0,
 	0, 0, 0, PS2_F7 },
-	1,
+	{1},
   // with altgr
 	{0, PS2_F9, 0, PS2_F5, PS2_F3, PS2_F1, PS2_F2, PS2_F12,
 	0, PS2_F10, PS2_F8, PS2_F6, PS2_F4, PS2_TAB, 0, 0,
@@ -249,7 +249,7 @@ const PROGMEM PS2Keymap_t PS2Keymap_French = {
 	'0', '.', '2', '5', '6', '8', PS2_ESC, 0 /*NumLock*/,
 	PS2_F11, '+', '3', '-', '*', '9', PS2_SCROLL, 0,
 	0, 0, 0, PS2_F7 },
-	1,
+	{1},
   // with altgr
 	{0, PS2_F9, 0, PS2_F5, PS2_F3, PS2_F1, PS2_F2, PS2_F12,
 	0, PS2_F10, PS2_F8, PS2_F6, PS2_F4, PS2_TAB, 0, 0,
@@ -307,7 +307,7 @@ const PROGMEM PS2Keymap_t PS2Keymap_Spanish = {
 		 '0', '.', '2', '5', '6', '8', PS2_ESC, 0 /*NumLock*/,
 		 PS2_F11, '+', '3', '-', '*', '9', PS2_SCROLL, 0,
 		 0, 0, 0, PS2_F7 },
-		1,
+         {1},
 		// with altgr
 		{0, PS2_F9, 0, PS2_F5, PS2_F3, PS2_F1, PS2_F2, PS2_F12,
 		 0, PS2_F10, PS2_F8, PS2_F6, PS2_F4, PS2_TAB, '\\', 0,

PS2Keyboard.h

@@ -168,7 +168,14 @@
 typedef struct {
 	uint8_t noshift[PS2_KEYMAP_SIZE];
 	uint8_t shift[PS2_KEYMAP_SIZE];
-	uint8_t uses_altgr;
+	uint8_t uses_altgr[1];
+    /*
+     * "uint8_t uses_altgr;" makes the ESP8266 - NodeMCU modules crash.
+     * So, I replaced it with a array and... It works!
+     * I think it's because of the 32-bit architecture of the ESP8266
+     * and the use of the flash memory to store the keymaps.
+     * Maybe I'm wrong, it remains a hypothesis.
+     */
 	uint8_t altgr[PS2_KEYMAP_SIZE];
 } PS2Keymap_t;