version bump

html_orig/css/app.css

@@ -748,7 +748,7 @@ input[type="number"], input[type="password"], input[type="text"], textarea, sele
 .ansiref.w100 {
   width: 100%; }
   .ansiref.w100 td:nth-child(1) {
-    width: 7em; }
+    width: 9em; }
   .ansiref.w100 td:nth-child(2) {
     width: 8em; }
 

html_orig/help.html

@@ -29,7 +29,7 @@
 
 	<ul>
 		<li>Most ANSI escape sequences are supported.</li>
-		<li>The max screen size is 2000 characters (eg. <b>25x80</b>), default is <b>10x26</b>. Set using <code>\e]W?;?\a</code> with rows;cols.</li>
+		<li>The max screen size is 2000 characters (eg. <b>25x80</b>), default is <b>10x26</b>. Set using <code>\e]W&lt;rows&gt;;&lt;cols&gt;\a</code>.</li>
 		<li>The screen will automatically scroll, can be used for log output.</li>
 		<li>Display update is sent <b>after 20 ms of inactivity</b>.</li>
 		<li>The browser display needs WebSockets for the real-time updating. It may not work on really old phones / browsers.</li>
@@ -39,7 +39,7 @@
 <div class="Box">
 	<h2>Color Reference</h2>
 
-	<p>Color is set using <code>\e[?m</code> or <code>\e[?;?m</code> where "?" are numbers from the following tables:</p>
+	<p>Color is set using <code>\e[&lt;c&gt;m</code> or <code>\e[&lt;c&gt;;&lt;c&gt;m</code> where "&lt;c&gt;" are numbers from the following tables:</p>
 
 	<b>Foreground</b>
 
@@ -103,8 +103,8 @@
 	<p>The buttons under the screen send ASCII codes 1, 2, 3, 4, 5.</p>
 
 	<p>
-		<b>Mouse input</b> (click/tap) is sent as <code>\e?;?M</code> with row;column. You can use this for on-screen buttons, menu navigation etc.
-		<i>Please note this is a custom sequence, not supported by PuTTY or other terminals.</i>
+		<b>Mouse input</b> (click/tap) is sent as <code>\e[&lt;y&gt;;&lt;x&gt;M</code>. You can use this for on-screen buttons, menu navigation etc.
+		<i>Please note this is a custom escape sequence, not supported by PuTTY or other terminals.</i>
 	</p>
 </div>
 
@@ -167,42 +167,42 @@
 		</thead>
 		<tbody>
 		<tr>
-			<td>\e[?A</td>
+			<td>\e[&lt;n&gt;A</td>
 			<td>[count]</td>
 			<td>Move cursor up</td>
 		</tr>
 		<tr>
-			<td>\e[?B</td>
+			<td>\e[&lt;n&gt;B</td>
 			<td>[count]</td>
 			<td>Move cursor down</td>
 		</tr>
 		<tr>
-			<td>\e[?C</td>
+			<td>\e[&lt;n&gt;C</td>
 			<td>[count]</td>
 			<td>Move cursor forward (right)</td>
 		</tr>
 		<tr>
-			<td>\e[?D</td>
+			<td>\e[&lt;n&gt;D</td>
 			<td>[count]</td>
 			<td>Move cursor backward (left)</td>
 		</tr>
 		<tr>
-			<td>\e[?E</td>
+			<td>\e[&lt;n&gt;E</td>
 			<td>[count]</td>
 			<td>Go N line down, start of line</td>
 		</tr>
 		<tr>
-			<td>\e[?F</td>
+			<td>\e[&lt;n&gt;F</td>
 			<td>[count]</td>
 			<td>Go N lines up, start of line</td>
 		</tr>
 		<tr>
-			<td>\e[?G</td>
+			<td>\e[&lt;n&gt;G</td>
 			<td>column</td>
 			<td>Go to column</td>
 		</tr>
 		<tr>
-			<td>\e[?;?G</td>
+			<td>\e[&lt;y&gt;;&lt;x&gt;G</td>
 			<td>[row=1];[col=1]</td>
 			<td>Go to row and column</td>
 		</tr>
@@ -234,12 +234,22 @@
 		<tr>
 			<td>\e[?25l</td>
 			<td>--</td>
-			<td>Hide cursor (literal question mark, lowercase L!)</td>
+			<td>Hide cursor</td>
 		</tr>
 		<tr>
 			<td>\e[?25h</td>
 			<td>--</td>
-			<td>Show cursor (literal question mark!)</td>
+			<td>Show cursor</td>
+		</tr>
+		<tr>
+			<td>\e[?7l</td>
+			<td>--</td>
+			<td>Disable cursor auto-wrap & auto-scroll at end of screen</td>
+		</tr>
+		<tr>
+			<td>\e[?7h</td>
+			<td>--</td>
+			<td>Enable cursor auto-wrap & auto-scroll at end of screen</td>
 		</tr>
 		</tbody>
 	</table>
@@ -256,27 +266,27 @@
 		</thead>
 		<tbody>
 		<tr>
-			<td>\e[?J</td>
+			<td>\e[&lt;m&gt;J</td>
 			<td>[mode=0]</td>
 			<td>Clear screen. Mode: 0 - from cursor, 1 - to cursor, 2 - all</td>
 		</tr>
 		<tr>
-			<td>\e[?K</td>
+			<td>\e[&lt;m&gt;K</td>
 			<td>[mode=0]</td>
 			<td>Erase line. Mode: 0 - from cursor, 1 - to cursor, 2 - all</td>
 		</tr>
 		<tr>
-			<td>\e[?S</td>
+			<td>\e[&lt;n&gt;S</td>
 			<td>[lines]</td>
 			<td>Scroll screen content up, add empty line at the bottom</td>
 		</tr>
 		<tr>
-			<td>\e[?T</td>
+			<td>\e[&lt;n&gt;T</td>
 			<td>[lines]</td>
 			<td>Scroll screen content down, add empty line at the top</td>
 		</tr>
 		<tr>
-			<td>\e]W?;?\a</td>
+			<td>\e]W&lt;r&gt;;&lt;c&gt;\a</td>
 			<td>rows;cols</td>
 			<td>Set screen size, maximum 25x80 (resp. total 2000 characters). This also clears the screen.</td>
 		</tr>

html_orig/sass/pages/_about.scss

@@ -53,7 +53,7 @@
 		width: 100%;
 
 		td:nth-child(1) {
-			width: 7em;
+			width: 9em;
 		}
 
 		td:nth-child(2) {

user/ansi_parser_callbacks.c

@@ -138,7 +138,6 @@ apars_handle_CSI(char leadchar, int *params, char keychar)
 				screen_clear_line(CLEAR_FROM_CURSOR);
 			} else {
 				screen_clear_line(CLEAR_ALL);
-				screen_cursor_set_x(0);
 			}
 			break;
 
@@ -157,20 +156,29 @@ apars_handle_CSI(char leadchar, int *params, char keychar)
 			}
 			else if (n1 == 5) {
 				// Query device status - reply "Device is OK"
-				UART_WriteString(UART0, "\0330n", UART_TIMEOUT_US);
+				UART_WriteString(UART0, "\033[0n", UART_TIMEOUT_US);
 			}
 			break;
 
-			// DECTCEM cursor show hide
-		case 'l':
-			if (leadchar == '?' && n1 == 25) {
-				screen_cursor_enable(1);
-			}
-			break;
+			// DECTCEM feature enable / disable
 
 		case 'h':
-			if (leadchar == '?' && n1 == 25) {
-				screen_cursor_enable(0);
+			if (leadchar == '?') {
+				if (n1 == 25) {
+					screen_cursor_enable(1);
+				} else if (n1 == 7) {
+					screen_wrap_enable(1);
+				}
+			}
+			break;
+
+		case 'l':
+			if (leadchar == '?') {
+				if (n1 == 25) {
+					screen_cursor_enable(0);
+				} else if (n1 == 7) {
+					screen_wrap_enable(0);
+				}
 			}
 			break;
 

user/screen.c

@@ -31,6 +31,7 @@ static struct {
 	int y;    //!< Y coordinate
 	bool visible;    //!< Visible
 	bool inverse;    //!< Inverse colors
+	bool autowrap;    //!< Wrapping when EOL
 	Color fg;        //!< Foreground color for writing
 	Color bg;        //!< Background color for writing
 } cursor;
@@ -102,6 +103,7 @@ cursor_reset(void)
 	cursor.bg = SCREEN_DEF_BG;
 	cursor.visible = 1;
 	cursor.inverse = 0;
+	cursor.autowrap = 1;
 }
 
 //endregion
@@ -397,6 +399,17 @@ screen_cursor_enable(bool enable)
 	NOTIFY_DONE();
 }
 
+/**
+ * Enable autowrap
+ */
+void ICACHE_FLASH_ATTR
+screen_wrap_enable(bool enable)
+{
+	NOTIFY_LOCK();
+	cursor.autowrap = enable;
+	NOTIFY_DONE();
+}
+
 //endregion
 
 //region Colors
@@ -492,7 +505,7 @@ screen_putchar(char ch)
 				cursor.x--;
 			} else {
 				// wrap around start of line
-				if (cursor.y>0) {
+				if (cursor.autowrap && cursor.y>0) {
 					cursor.x=W-1;
 					cursor.y--;
 				}
@@ -532,13 +545,17 @@ screen_putchar(char ch)
 	cursor.x++;
 	// X wrap
 	if (cursor.x >= W) {
-		cursor.x = 0;
-		cursor.y++;
-		// Y wrap
-		if (cursor.y > H-1) {
-			// Scroll up, so we have space for writing
-			screen_scroll_up(1);
-			cursor.y = H-1;
+		if (cursor.autowrap) {
+			cursor.x = 0;
+			cursor.y++;
+			// Y wrap
+			if (cursor.y > H - 1) {
+				// Scroll up, so we have space for writing
+				screen_scroll_up(1);
+				cursor.y = H - 1;
+			}
+		} else {
+			cursor.x = W - 1;
 		}
 	}
 

user/screen.h

@@ -109,6 +109,9 @@ void screen_cursor_restore(bool withAttrs);
 /** Enable cursor display */
 void screen_cursor_enable(bool enable);
 
+/** Enable auto wrap */
+void screen_wrap_enable(bool enable);
+
 // --- Colors ---
 
 /** Set cursor foreground color */

user/user_main.c

@@ -24,6 +24,7 @@
 #include "screen.h"
 #include "routes.h"
 #include "user_main.h"
+#include "uart_driver.h"
 
 #ifdef ESPFS_POS
 CgiUploadFlashDef uploadParams={
@@ -114,6 +115,10 @@ void ICACHE_FLASH_ATTR user_init(void)
 	// The terminal screen
 	screen_init();
 
+	// Print the CANCEL character to indicate the module has restarted
+	// Critically important for client application if any kind of screen persistence / content re-use is needed
+	UART_WriteChar(UART0, 24, UART_TIMEOUT_US); // 0x18 - 24 - CAN
+
 	info("Listening on UART0, 115200-8-N-1!");
 }
 

user/user_main.h

@@ -1,7 +1,7 @@
 #ifndef USER_MAIN_H_H
 #define USER_MAIN_H_H
 
-#define FIRMWARE_VERSION "0.5"
+#define FIRMWARE_VERSION "0.5.2"
 #define TERMINAL_GITHUB_REPO "https://github.com/MightyPork/esp-vt100-firmware"
 
 #endif //USER_MAIN_H_H