moving some stuff around, removed "soft reset" seq, added server-side support for control key remaps

user/ansi_parser_callbacks.c

@@ -251,13 +251,13 @@ apars_handle_CSI(char leadchar, int *params, int count, char keychar)
 				int n = params[i];
 				if (leadchar == '?') {
 					if (n == 25) {
-						screen_cursor_enable(yn);
+						screen_cursor_visible(yn);
 					}
 					else if (n == 7) {
 						screen_wrap_enable(yn);
 					}
 					else if (n == 1) {
-						screen_set_cursor_application_mode(yn);
+						screen_set_cursors_alt_mode(yn);
 					}
 					else {
 						ansi_warn("NOIMPL DEC opt %d", n);
@@ -370,13 +370,6 @@ apars_handle_CSI(char leadchar, int *params, int count, char keychar)
 			ansi_warn("NOIMPL cursor back tab");
 			break;
 
-		case 'p':
-			if (leadchar == '!') {
-				info("SOFT RESET!");
-				screen_reset(); // TODO do soft reset
-			}
-			break;
-
 		case 'c': // CSI-c
 			// report capabilities (pretend we're vt4xx)
 			UART_WriteString(UART0, "\033[?64;22;c", UART_TIMEOUT_US);
@@ -436,7 +429,7 @@ void ICACHE_FLASH_ATTR apars_handle_shortCode(char c)
 			break;
 
 		case '>':
-			screen_set_keypad_application_mode(false);
+			screen_set_numpad_alt_mode(false);
 			break;
 
 		case '<':
@@ -444,7 +437,7 @@ void ICACHE_FLASH_ATTR apars_handle_shortCode(char c)
 			break;
 
 		case '=':
-			screen_set_keypad_application_mode(true);
+			screen_set_numpad_alt_mode(true);
 			break;
 
 		default:

user/screen.c

@@ -3,8 +3,6 @@
 #include "screen.h"
 #include "persist.h"
 
-//region Data structures
-
 TerminalConfigBundle * const termconf = &persist.current.termconf;
 TerminalConfigBundle termconf_scratch;
 
@@ -35,55 +33,52 @@ typedef struct __attribute__((packed)){
 static Cell screen[MAX_SCREEN_SIZE];
 
 /**
- * Cursor position and attributes
+ * Screen state structure
  */
 static struct {
-	int x;    //!< X coordinate
+	bool numpad_alt_mode;   //!< Application Mode - affects how user input of control keys is sent
-	int y;    //!< Y coordinate
+	bool cursors_alt_mode; //!< Application mode for cursor keys
-	bool hanging; //!< xenl state
 
-	bool autowrap;   //!< Wrapping when EOL
+	char charset0;
-	bool insert_mode; //!< Insert mode (move rest of the line to the right)
+	char charset1;
+} scr;
 
-	// TODO use those for input processing
+typedef struct {
-	bool kp_alternate;   //!< Application Mode - affects how user input of control keys is sent
+	int x;        //!< X coordinate
-	bool curs_alternate; //!< Application mode for cursor keys
+	int y;        //!< Y coordinate
+	bool hanging; //!< xenl state - cursor half-wrapped
 
-	bool visible;    //!< Visible (not attribute, DEC special)
+	// SGR
-	bool inverse;
+	bool inverse; //!< not in attrs bc it's applied server-side (not sent to browser)
 	u8 attrs;
+	Color fg;     //!< Foreground color for writing
+	Color bg;     //!< Background color for writing
 
-	char charset0;
+	// Other attribs
-	char charset1;
 	int charsetN;
+	bool wraparound;   //!< Wrapping when EOL
 
-	Color fg;        //!< Foreground color for writing
+	// Not saved/restored
-	Color bg;        //!< Background color for writing
+	bool insert_mode;    //!< Insert mode (move rest of the line to the right)
-} cursor;
+	bool visible; //!< Visible (not attribute, DEC special)
+} CursorTypeDef;
 
 /**
- * Saved cursor position, used with the SCP RCP commands
+ * Cursor position and attributes
  */
-static struct {
+static CursorTypeDef cursor;
-	int x;
-	int y;
-	bool hanging; //!< xenl state
 
-	// mark that attrs are saved
+/**
-	bool withAttrs;
+ * Saved cursor position, used with the SCP RCP commands
-	u8 attrs;
+ */
-	bool inverse; // attribute that's not in the bitfield
+static CursorTypeDef cursor_sav;
-	Color fg;
-	Color bg;
-} cursor_sav;
 
-// XXX volatile is probably not needed
+/**
+ * This is used to prevent premature change notifications
+ * (from nested calls)
+ */
 static volatile int notifyLock = 0;
 
-//endregion
-
-//region Helpers
-
 #define NOTIFY_LOCK()   do { \
 							notifyLock++; \
 						} while(0)
@@ -93,7 +88,12 @@ static volatile int notifyLock = 0;
 							if (notifyLock == 0) screen_notifyChange(CHANGE_CONTENT); \
 						} while(0)
 
-#define clear_invalid_hanging() do { if (cursor.hanging && cursor.x != W-1) cursor.hanging = false; } while(false)
+/** Clear the hanging attribute if the cursor is no longer >= W */
+#define clear_invalid_hanging() do { \
+									if (cursor.hanging && cursor.x != W-1) cursor.hanging = false; \
+								} while(false)
+
+//region --- Settings ---
 
 /**
  * Restore hard defaults
@@ -133,29 +133,19 @@ void terminal_apply_settings_noclear(void)
 		screen_init();
 	}
 }
+//endregion
+
+//region --- Reset / Init ---
 
 /**
- * Clear range, inclusive
+ * Init the screen (entire mappable area - for consistency)
  */
-static inline void
+void ICACHE_FLASH_ATTR
-clear_range(unsigned int from, unsigned int to)
+screen_init(void)
 {
-	if (to >= W*H) to = W*H-1;
+	NOTIFY_LOCK();
-	Color fg = (cursor.inverse) ? cursor.bg : cursor.fg;
+	screen_reset();
-	Color bg = (cursor.inverse) ? cursor.fg : cursor.bg;
+	NOTIFY_DONE();
-
-	Cell sample;
-	sample.c[0] = ' ';
-	sample.c[1] = 0;
-	sample.c[2] = 0;
-	sample.c[3] = 0;
-	sample.fg = fg;
-	sample.bg = bg;
-	sample.attrs = 0;
-
-	for (unsigned int i = from; i <= to; i++) {
-		memcpy(&screen[i], &sample, sizeof(Cell));
-	}
 }
 
 /**
@@ -164,63 +154,77 @@ clear_range(unsigned int from, unsigned int to)
 static void ICACHE_FLASH_ATTR
 cursor_reset(void)
 {
-	// TODO this should probably be public and invoked by "soft reset"
-
 	cursor.x = 0;
 	cursor.y = 0;
 	cursor.hanging = false;
-	cursor.fg = termconf_scratch.default_fg;
-	cursor.bg = termconf_scratch.default_bg;
 	cursor.visible = true;
-	cursor.autowrap = true;
-	cursor.attrs = false;
 	cursor.insert_mode = false;
 
-	cursor.kp_alternate = false;
-	cursor.curs_alternate = false;
-
-	cursor.charset0 = 'B';
-	cursor.charset1 = '0';
 	cursor.charsetN = 0;
-}
+	cursor.wraparound = true;
-
-//endregion
 
-//region Screen clearing
+	screen_reset_sgr();
+}
 
 /**
- * Init the screen (entire mappable area - for consistency)
+ * Reset the cursor (\e[0m)
  */
 void ICACHE_FLASH_ATTR
-screen_init(void)
+screen_reset_sgr(void)
 {
-	NOTIFY_LOCK();
+	cursor.fg = termconf_scratch.default_fg;
-	screen_reset();
+	cursor.bg = termconf_scratch.default_bg;
-	NOTIFY_DONE();
+	cursor.attrs = 0;
+	cursor.inverse = false;
 }
 
 /**
- * Reset the screen (only the visible area)
+ * Reset the screen - called by ESC c
  */
 void ICACHE_FLASH_ATTR
 screen_reset(void)
 {
 	NOTIFY_LOCK();
+
 	cursor_reset();
+
+	scr.numpad_alt_mode = false;
+	scr.cursors_alt_mode = false;
+
+	scr.charset0 = 'B';
+	scr.charset1 = '0';
+
+	// size is left unchanged
 	screen_clear(CLEAR_ALL);
+
 	NOTIFY_DONE();
 }
+//endregion
+
+//region --- Clearing & inserting ---
 
 /**
- * Reset the cursor
+ * Clear range, inclusive
  */
-void ICACHE_FLASH_ATTR
+static inline void
-screen_reset_sgr(void)
+clear_range(unsigned int from, unsigned int to)
 {
-	cursor.fg = termconf_scratch.default_fg;
+	if (to >= W*H) to = W*H-1;
-	cursor.bg = termconf_scratch.default_bg;
+	Color fg = (cursor.inverse) ? cursor.bg : cursor.fg;
-	cursor.attrs = 0;
+	Color bg = (cursor.inverse) ? cursor.fg : cursor.bg;
-	cursor.inverse = false;
+
+	Cell sample;
+	sample.c[0] = ' ';
+	sample.c[1] = 0;
+	sample.c[2] = 0;
+	sample.c[3] = 0;
+	sample.fg = fg;
+	sample.bg = bg;
+	sample.attrs = 0;
+
+	for (unsigned int i = from; i <= to; i++) {
+		memcpy(&screen[i], &sample, sizeof(Cell));
+	}
 }
 
 /**
@@ -282,29 +286,6 @@ screen_clear_in_line(unsigned int count)
 	}
 }
 
-void ICACHE_FLASH_ATTR
-screen_fill_with_E(void)
-{
-	NOTIFY_LOCK();
-	Cell sample;
-	sample.c[0] = 'E';
-	sample.c[1] = 0;
-	sample.c[2] = 0;
-	sample.c[3] = 0;
-	sample.fg = termconf_scratch.default_fg;
-	sample.bg = termconf_scratch.default_bg;
-	sample.attrs = 0;
-
-	for (unsigned int i = 0; i <= W*H-1; i++) {
-		memcpy(&screen[i], &sample, sizeof(Cell));
-	}
-	NOTIFY_DONE();
-}
-
-//endregion
-
-//region Screen manipulation
-
 void screen_insert_lines(unsigned int lines)
 {
 	NOTIFY_LOCK();
@@ -383,6 +364,28 @@ void screen_delete_characters(unsigned int count)
 	}
 	NOTIFY_DONE();
 }
+//endregion
+
+//region --- Entire screen manipulation ---
+
+void ICACHE_FLASH_ATTR
+screen_fill_with_E(void)
+{
+	NOTIFY_LOCK();
+	Cell sample;
+	sample.c[0] = 'E';
+	sample.c[1] = 0;
+	sample.c[2] = 0;
+	sample.c[3] = 0;
+	sample.fg = termconf_scratch.default_fg;
+	sample.bg = termconf_scratch.default_bg;
+	sample.attrs = 0;
+
+	for (unsigned int i = 0; i <= W*H-1; i++) {
+		memcpy(&screen[i], &sample, sizeof(Cell));
+	}
+	NOTIFY_DONE();
+}
 
 /**
  * Change the screen size
@@ -466,10 +469,9 @@ screen_scroll_down(unsigned int lines)
 	done:
 	NOTIFY_DONE();
 }
-
 //endregion
 
-//region Cursor manipulation
+//region --- Cursor manipulation ---
 
 /**
  * Set cursor position
@@ -563,21 +565,8 @@ screen_cursor_move(int dy, int dx, bool scroll)
 void ICACHE_FLASH_ATTR
 screen_cursor_save(bool withAttrs)
 {
-	cursor_sav.x = cursor.x;
+	// always save with attribs
-	cursor_sav.y = cursor.y;
+	memcpy(&cursor_sav, &cursor, sizeof(CursorTypeDef));
-	cursor_sav.hanging = cursor.hanging;
-
-	cursor_sav.withAttrs = withAttrs;
-
-	if (withAttrs) {
-		cursor_sav.fg = cursor.fg;
-		cursor_sav.bg = cursor.bg;
-		cursor_sav.attrs = cursor.attrs;
-	} else {
-		cursor_sav.fg = termconf_scratch.default_fg;
-		cursor_sav.bg = termconf_scratch.default_bg;
-		cursor_sav.attrs = 0; // avoid leftovers if the wrong restore is used
-	}
 }
 
 /**
@@ -587,27 +576,29 @@ void ICACHE_FLASH_ATTR
 screen_cursor_restore(bool withAttrs)
 {
 	NOTIFY_LOCK();
+
+	if (withAttrs) {
+		memcpy(&cursor_sav, &cursor, sizeof(CursorTypeDef));
+	} else {
 		cursor.x = cursor_sav.x;
 		cursor.y = cursor_sav.y;
 		cursor.hanging = cursor_sav.hanging;
-
-	if (withAttrs) {
-		cursor.fg = cursor_sav.fg;
-		cursor.bg = cursor_sav.bg;
-		cursor.attrs = cursor_sav.attrs;
 	}
 
 	NOTIFY_DONE();
 }
+//endregion
+
+//region --- Attribute setting ---
 
 /**
  * Enable cursor display
  */
 void ICACHE_FLASH_ATTR
-screen_cursor_enable(bool enable)
+screen_cursor_visible(bool visible)
 {
 	NOTIFY_LOCK();
-	cursor.visible = enable;
+	cursor.visible = visible;
 	NOTIFY_DONE();
 }
 
@@ -617,15 +608,9 @@ screen_cursor_enable(bool enable)
 void ICACHE_FLASH_ATTR
 screen_wrap_enable(bool enable)
 {
-	NOTIFY_LOCK();
+	cursor.wraparound = enable;
-	cursor.autowrap = enable;
-	NOTIFY_DONE();
 }
 
-//endregion
-
-//region Colors
-
 /**
  * Set cursor foreground color
  */
@@ -664,8 +649,6 @@ screen_inverse_enable(bool ena)
 	cursor.inverse = ena;
 }
 
-//endregion
-
 /**
  * Check if coords are in range
  *
@@ -689,8 +672,8 @@ screen_set_charset_n(int Gx)
 void ICACHE_FLASH_ATTR
 screen_set_charset(int Gx, char charset)
 {
-	if (Gx == 0) cursor.charset0 = charset;
+	if (Gx == 0) scr.charset0 = charset;
-	if (Gx == 1) cursor.charset1 = charset;
+	if (Gx == 1) scr.charset1 = charset;
 }
 
 void ICACHE_FLASH_ATTR
@@ -700,16 +683,19 @@ screen_set_insert_mode(bool insert)
 }
 
 void ICACHE_FLASH_ATTR
-screen_set_keypad_application_mode(bool app_mode)
+screen_set_numpad_alt_mode(bool alt_mode)
 {
-	cursor.kp_alternate = app_mode;
+	scr.numpad_alt_mode = alt_mode;
 }
 
 void ICACHE_FLASH_ATTR
-screen_set_cursor_application_mode(bool app_mode)
+screen_set_cursors_alt_mode(bool alt_mode)
 {
-	cursor.curs_alternate = app_mode;
+	scr.cursors_alt_mode = alt_mode;
 }
+//endregion
+
+//region --- Printing ---
 
 /**
  * Set a character in the cursor color, move to right with wrap.
@@ -768,7 +754,7 @@ screen_putchar(const char *ch)
 	if (cursor.hanging) {
 		// perform the scheduled wrap if hanging
 		// if autowrap = off, it overwrites the last char
-		if (cursor.autowrap) {
+		if (cursor.wraparound) {
 			cursor.x = 0;
 			cursor.y++;
 			// Y wrap
@@ -789,7 +775,7 @@ screen_putchar(const char *ch)
 
 	if (ch[1] == 0 && ch[0] <= 0x7f) {
 		// we have len=1 and ASCII
-		utf8_remap(c->c, ch[0], (cursor.charsetN == 0) ? cursor.charset0 : cursor.charset1);
+		utf8_remap(c->c, ch[0], (cursor.charsetN == 0) ? scr.charset0 : scr.charset1);
 	}
 	else {
 		// copy unicode char
@@ -899,45 +885,9 @@ utf8_remap(char *out, char g, char table)
 		out[1] = 0;
 	}
 }
+//endregion
 
-
+//region --- Serialization ---
-
-//region Serialization
-
-#if 0
-/**
- * Debug dump
- */
-void screen_dd(void)
-{
-	for (int y = 0; y < H; y++) {
-		for (int x = 0; x < W; x++) {
-			Cell *cell = &screen[y * W + x];
-
-			// FG
-			printf("\033[");
-			if (cell->fg > 7) {
-				printf("%d", 90 + cell->fg - 8);
-			} else {
-				printf("%d", 30 + cell->fg);
-			}
-			printf("m");
-
-			// BG
-			printf("\033[");
-			if (cell->bg > 7) {
-				printf("%d", 100 + cell->bg - 8);
-			} else {
-				printf("%d", 40 + cell->bg);
-			}
-			printf("m");
-
-			printf("%c", cell->c);
-		}
-		printf("\033[0m\n");
-	}
-}
-#endif
 
 struct ScreenSerializeState {
 	Color lastFg;
@@ -1041,7 +991,9 @@ screenSerializeToBuffer(char *buffer, size_t buf_len, void **data)
 					 cursor.fg |
 					 (cursor.bg<<4) |
 					 (cursor.visible ? 1<<8 : 0) |
-				(cursor.hanging ? 1<<9 : 0)
+					 (cursor.hanging ? 1<<9 : 0) |
+					 (scr.cursors_alt_mode ? 1<<10 : 0) |
+					 (scr.numpad_alt_mode ? 1<<11 : 0)
 				 )
 			, &w5);
 
@@ -1116,5 +1068,4 @@ screenSerializeToBuffer(char *buffer, size_t buf_len, void **data)
 
 	return HTTPD_CGI_DONE;
 }
-
 //endregion

user/screen.h

@@ -80,12 +80,7 @@ void terminal_restore_defaults(void);
 void terminal_apply_settings(void);
 void terminal_apply_settings_noclear(void); // the same, but with no screen reset / init
 
-/**
+/** Maximum screen size (determines size of the static data array) */
- * Maximum screen size (determines size of the static data array)
- *
- * TODO May need adjusting if there are size problems when flashing the ESP.
- * We could also try to pack the Cell struct to a single 32bit word.
- */
 #define MAX_SCREEN_SIZE (80*30)
 
 typedef enum {
@@ -161,7 +156,7 @@ void screen_cursor_save(bool withAttrs);
 /** Restore the cursor pos */
 void screen_cursor_restore(bool withAttrs);
 /** Enable cursor display */
-void screen_cursor_enable(bool enable);
+void screen_cursor_visible(bool visible);
 /** Enable auto wrap */
 void screen_wrap_enable(bool enable);
 
@@ -181,9 +176,9 @@ void screen_inverse_enable(bool ena);
 /** Toggle INSERT / REPLACE */
 void screen_set_insert_mode(bool insert);
 /** Toggle application keypad mode */
-void screen_set_keypad_application_mode(bool app_mode);
+void screen_set_numpad_alt_mode(bool app_mode);
 /** Toggle application cursor mode */
-void screen_set_cursor_application_mode(bool app_mode);
+void screen_set_cursors_alt_mode(bool app_mode);
 
 void screen_set_charset_n(int Gx);
 void screen_set_charset(int Gx, char charset);

user/wifimgr.c

@@ -43,11 +43,6 @@ wifimgr_restore_defaults(void)
 	IP4_ADDR(&wificonf->sta_addr.ip, 192, 168, 0, (mac[5] == 1 ? 2 : mac[5])); // avoid being the same as "default gw"
 	IP4_ADDR(&wificonf->sta_addr.netmask, 255, 255, 255, 0);
 	IP4_ADDR(&wificonf->sta_addr.gw, 192, 168, 0, 1);
-
-	// DEBUG ONLY - TODO remove for release
-//	wificonf->opmode = STATION_MODE;
-//	sprintf((char*)wificonf->sta_ssid, "Chlivek");
-//	sprintf((char*)wificonf->sta_password, "prase chrochta");
 }
 
 static void ICACHE_FLASH_ATTR