WebSVN – HelenOS – Diff – /branches/dynload/uspace/srv/fb/serial_console.c

 /*
  * Copyright (c) 2006 Ondrej Palkovsky
  * Copyright (c) 2008 Martin Decky
  * Copyright (c) 2008 Pavel Rimsky
  * All rights reserved.
+ *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions
  * are met:
+ *
  * - Redistributions of source code must retain the above copyright
  *   notice, this list of conditions and the following disclaimer.
  * - Redistributions in binary form must reproduce the above copyright
  *   notice, this list of conditions and the following disclaimer in the
  *   documentation and/or other materials provided with the distribution.
  * - The name of the author may not be used to endorse or promote products
  *   derived from this software without specific prior written permission.
+ *
  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
  * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  */
 /**
  * @defgroup serial Serial console
  * @brief    Serial console services (putc, puts, clear screen, cursor goto,...)
  * @{
  */
 /** @file
  */
 #include <stdio.h>
 #include <ipc/ipc.h>
 #include <async.h>
 #include <ipc/fb.h>
 #include <bool.h>
 #include <errno.h>
+#include <console/color.h>
+#include <console/style.h>
 #include "serial_console.h"
 #define MAX_CONTROL 20
+static void serial_sgr(const unsigned int mode);
 static int width;
 static int height;
+static bool color = true;   /** True if producing color output. */
 static putc_function_t putc_function;
 /* Allow only 1 connection */
 static int client_connected = 0;
+enum sgr_color_index {
+    CI_BLACK    = 0,
+    CI_RED      = 1,
+    CI_GREEN    = 2,
+    CI_BROWN    = 3,
+    CI_BLUE     = 4,
+    CI_MAGENTA  = 5,
+    CI_CYAN     = 6,
+    CI_WHITE    = 7,
+};
+enum sgr_command {
+    SGR_RESET   = 0,
+    SGR_BOLD    = 1,
+    SGR_BLINK   = 5,
+    SGR_REVERSE = 7,
+    SGR_NORMAL_INT  = 22,
+    SGR_BLINK_OFF   = 25,
+    SGR_REVERSE_OFF = 27,
+    SGR_FGCOLOR = 30,
+    SGR_BGCOLOR = 40
+};
+static int color_map[] = {
+    [COLOR_BLACK]   = CI_BLACK,
+    [COLOR_BLUE]    = CI_RED,
+    [COLOR_GREEN]   = CI_GREEN,
+    [COLOR_CYAN]    = CI_CYAN,
+    [COLOR_RED] = CI_RED,
+    [COLOR_MAGENTA] = CI_MAGENTA,
+    [COLOR_YELLOW]  = CI_BROWN,
+    [COLOR_WHITE]   = CI_WHITE
+};
 void serial_puts(char *str)
+{
     while (*str)
         putc_function(*(str++));
+}
 void serial_goto(const unsigned int row, const unsigned int col)
+{
     if ((row > height) || (col > width))
         return;
-    char control[20];
+    char control[MAX_CONTROL];
-    snprintf(control, 20, "\033[%u;%uf", row + 1, col + 1);
+    snprintf(control, MAX_CONTROL, "\033[%u;%uf", row + 1, col + 1);
     serial_puts(control);
+}
 void serial_clrscr(void)
+{
+    /* Initialize graphic rendition attributes. */
+    serial_sgr(SGR_RESET);
+    if (color) {
+        serial_sgr(SGR_FGCOLOR + CI_BLACK);
+        serial_sgr(SGR_BGCOLOR + CI_WHITE);
+    }
     serial_puts("\033[2J");
+}
 void serial_scroll(int i)
+{
     if (i > 0) {
         serial_goto(height - 1, 0);
         while (i--)
             serial_puts("\033D");
     } else if (i < 0) {
         serial_goto(0, 0);
         while (i++)
             serial_puts("\033M");
+    }
+}
+/** ECMA-48 Set Graphics Rendition. */
-void serial_set_style(const unsigned int mode)
+static void serial_sgr(const unsigned int mode)
+{
     char control[MAX_CONTROL];
     snprintf(control, MAX_CONTROL, "\033[%um", mode);
     serial_puts(control);
+}
 /** Set scrolling region. */
 void serial_set_scroll_region(unsigned last_row)
+{
     char control[MAX_CONTROL];
     snprintf(control, MAX_CONTROL, "\033[0;%ur", last_row);
     serial_puts(control);
+}
 void serial_cursor_disable(void)
+{
     serial_puts("\033[?25l");
+}
 void serial_cursor_enable(void)
+{
     serial_puts("\033[?25h");
+}
 void serial_console_init(putc_function_t putc_fn, uint32_t w, uint32_t h)
+{
     width = w;
     height = h;
     putc_function = putc_fn;
+}
 /**
  * Main function of the thread serving client connections.
  */
 void serial_client_connection(ipc_callid_t iid, ipc_call_t *icall)
+{
     int retval;
     ipc_callid_t callid;
     ipc_call_t call;
     char c;
     int lastcol = 0;
     int lastrow = 0;
     int newcol;
     int newrow;
     int fgcolor;
     int bgcolor;
+    int style;
     int i;
     if (client_connected) {
         ipc_answer_0(iid, ELIMIT);
         return;
+    }
     client_connected = 1;
     ipc_answer_0(iid, EOK);
     /* Clear the terminal, set scrolling region
        to 0 - height rows. */
     serial_clrscr();
     serial_goto(0, 0);
     serial_set_scroll_region(height);
     while (true) {
         callid = async_get_call(&call);
         switch (IPC_GET_METHOD(call)) {
         case IPC_M_PHONE_HUNGUP:
             client_connected = 0;
             ipc_answer_0(callid, EOK);
             return;
         case FB_PUTCHAR:
             c = IPC_GET_ARG1(call);
             newrow = IPC_GET_ARG2(call);
             newcol = IPC_GET_ARG3(call);
             if ((lastcol != newcol) || (lastrow != newrow))
                 serial_goto(newrow, newcol);
             lastcol = newcol + 1;
             lastrow = newrow;
             (*putc_function)(c);
             retval = 0;
             break;
         case FB_CURSOR_GOTO:
             newrow = IPC_GET_ARG1(call);
             newcol = IPC_GET_ARG2(call);
             serial_goto(newrow, newcol);
             lastrow = newrow;
             lastcol = newcol;
             retval = 0;
             break;
         case FB_GET_CSIZE:
             ipc_answer_2(callid, EOK, height, width);
             continue;
         case FB_CLEAR:
             serial_clrscr();
             retval = 0;
             break;
         case FB_SET_STYLE:
+            style =  IPC_GET_ARG1(call);
+            if (style == STYLE_EMPHASIS) {
+                if (color) {
+                    serial_sgr(SGR_RESET);
+                    serial_sgr(SGR_FGCOLOR + CI_RED);
+                    serial_sgr(SGR_BGCOLOR + CI_WHITE);
+                }
+                serial_sgr(SGR_BOLD);
+            } else {
+                if (color) {
+                    serial_sgr(SGR_RESET);
+                    serial_sgr(SGR_FGCOLOR + CI_BLACK);
+                    serial_sgr(SGR_BGCOLOR + CI_WHITE);
+                }
+                serial_sgr(SGR_NORMAL_INT);
+            }
+            retval = 0;
+            break;
+        case FB_SET_COLOR:
+            fgcolor = IPC_GET_ARG1(call);
+            bgcolor = IPC_GET_ARG2(call);
+            if (color) {
+                serial_sgr(SGR_RESET);
+                serial_sgr(SGR_FGCOLOR + color_map[fgcolor]);
+                serial_sgr(SGR_BGCOLOR + color_map[bgcolor]);
+            } else {
+                if (fgcolor < bgcolor)
+                    serial_sgr(SGR_RESET);
+                else
+                    serial_sgr(SGR_REVERSE);
+            }
+            retval = 0;
+            break;
+        case FB_SET_RGB_COLOR:
             fgcolor = IPC_GET_ARG1(call);
             bgcolor = IPC_GET_ARG2(call);
             if (fgcolor < bgcolor)
-                serial_set_style(0);
+                serial_sgr(SGR_REVERSE_OFF);
             else
-                serial_set_style(7);
+                serial_sgr(SGR_REVERSE);
             retval = 0;
             break;
         case FB_SCROLL:
             i = IPC_GET_ARG1(call);
             if ((i > height) || (i < -height)) {
                 retval = EINVAL;
                 break;
+            }
             serial_scroll(i);
             serial_goto(lastrow, lastcol);
             retval = 0;
             break;
         case FB_CURSOR_VISIBILITY:
             if(IPC_GET_ARG1(call))
                 serial_cursor_enable();
             else
                 serial_cursor_disable();
             retval = 0;
             break;
         default:
             retval = ENOENT;
+        }
         ipc_answer_0(callid, retval);
+    }
+}
 /**
  * @}
  */

Subversion Repositories HelenOS

(root)/branches/dynload/uspace/srv/fb/serial_console.c @ 4346 – Rev 4337 → 4338