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

 /** @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 "../console/screenbuffer.h"
+#include "main.h"
 #include "serial_console.h"
 #define MAX_CONTROL 20
+static void serial_sgr(const unsigned int mode);
+void serial_putchar(wchar_t ch);
-static uint32_t width;
+static int scr_width;
-static uint32_t height;
+static int scr_height;
+static bool color = true;   /** True if producing color output. */
+static bool utf8 = false;   /** True if producing UTF8 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_putchar(wchar_t ch)
+{
+    uint8_t buf[STR_BOUNDS(1)];
+    size_t offs;
+    size_t i;
+    if (utf8 != true) {
+        if (ch >= 0 && ch < 128)
+            (*putc_function)((uint8_t) ch);
+        else
+            (*putc_function)('?');
+        return;
+    }
+    offs = 0;
+    if (chr_encode(ch, buf, &offs, STR_BOUNDS(1)) == EOK) {
+        for (i = 0; i < offs; i++)
+            (*putc_function)(buf[i]);
+    } else {
+        (*putc_function)('?');
+    }
+}
 void serial_goto(const unsigned int row, const unsigned int col)
+{
-    if ((row > height) || (col > width))
+    if ((row > scr_height) || (col > scr_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);
+        serial_goto(scr_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");
+}
     serial_puts("\033[?25h");
+}
 void serial_console_init(putc_function_t putc_fn, uint32_t w, uint32_t h)
+{
-    width = w;
+    scr_width = w;
-    height = h;
+    scr_height = h;
     putc_function = putc_fn;
+}
+static void serial_set_style(int style)
+{
+    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);
+    }
+}
+static void serial_set_idx(unsigned fgcolor, unsigned bgcolor,
+    unsigned flags)
+{
+    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);
+    }
+}
+static void serial_set_rgb(uint32_t fgcolor, uint32_t bgcolor)
+{
+    if (fgcolor < bgcolor)
+        serial_sgr(SGR_REVERSE_OFF);
+    else
+        serial_sgr(SGR_REVERSE);
+}
+static void serial_set_attrs(const attrs_t *a)
+{
+    switch (a->t) {
+    case at_style: serial_set_style(a->a.s.style); break;
+    case at_rgb: serial_set_rgb(a->a.r.fg_color, a->a.r.bg_color); break;
+    case at_idx: serial_set_idx(a->a.i.fg_color,
+        a->a.i.bg_color, a->a.i.flags); break;
+    default: break;
+    }
+}
+/** Draw text data to viewport.
+ *
+ * @param vport Viewport id
+ * @param data  Text data.
+ * @param x Leftmost column of the area.
+ * @param y Topmost row of the area.
+ * @param w Number of rows.
+ * @param h Number of columns.
+ */
+static void draw_text_data(keyfield_t *data, unsigned int x,
+    unsigned int y, unsigned int w, unsigned int h)
+{
+    unsigned int i, j;
+    keyfield_t *field;
+    attrs_t *a0, *a1;
+    serial_goto(y, x);
+    a0 = &data[0].attrs;
+    serial_set_attrs(a0);
+    for (j = 0; j < h; j++) {
+        if (j > 0 && w != scr_width)
+            serial_goto(y, x);
+        for (i = 0; i < w; i++) {
+            field = &data[j * w + i];
+            a1 = &field->attrs;
+            if (!attrs_same(*a0, *a1))
+                serial_set_attrs(a1);
+            serial_putchar(field->character);
+            a0 = a1;
+        }
+    }
+}
+int lastcol = 0;
+int lastrow = 0;
+/**
+ * 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;
+    keyfield_t *interbuf = NULL;
+    size_t intersize = 0;
+    wchar_t c;
+    int col, row, w, h;
+    int i;
+    attrs_t cur_attr;
+    if (client_connected) {
+        ipc_answer_0(iid, ELIMIT);
+        return;
+    }
+    client_connected = 1;
+    ipc_answer_0(iid, EOK);
+    cur_attr.t = at_style;
+    cur_attr.a.s.style = STYLE_NORMAL;
+    /* Clear the terminal, set scrolling region
+       to 0 - height rows. */
+    serial_clrscr();
+    serial_goto(0, 0);
+    serial_set_scroll_region(scr_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 IPC_M_SHARE_OUT:
+            /* We accept one area for data interchange */
+            intersize = IPC_GET_ARG2(call);
+            if (intersize >= scr_width * scr_height *
+                sizeof(*interbuf)) {
+                receive_comm_area(callid, &call,
+                    (void *) &interbuf);
+                continue;
+            }
+            retval = EINVAL;
+            break;
+        case FB_DRAW_TEXT_DATA:
+            col = IPC_GET_ARG1(call);
+            row = IPC_GET_ARG2(call);
+            w = IPC_GET_ARG3(call);
+            h = IPC_GET_ARG4(call);
+            if (!interbuf) {
+                retval = EINVAL;
+                break;
+            }
+            if (col + w > scr_width || row + h > scr_height) {
+                retval = EINVAL;
+                break;
+            }
+            draw_text_data(interbuf, col, row, w, h);
+            lastrow = row + h - 1;
+            lastcol = col + w;
+            retval = 0;
+            break;
+        case FB_PUTCHAR:
+            c = IPC_GET_ARG1(call);
+            row = IPC_GET_ARG2(call);
+            col = IPC_GET_ARG3(call);
+            if ((lastcol != col) || (lastrow != row))
+                serial_goto(row, col);
+            lastcol = col + 1;
+            lastrow = row;
+            serial_putchar(c);
+            retval = 0;
+            break;
+        case FB_CURSOR_GOTO:
+            row = IPC_GET_ARG1(call);
+            col = IPC_GET_ARG2(call);
+            serial_goto(row, col);
+            lastrow = row;
+            lastcol = col;
+            retval = 0;
+            break;
+        case FB_GET_CSIZE:
+            ipc_answer_2(callid, EOK, scr_height, scr_width);
+            continue;
+        case FB_CLEAR:
+            serial_clrscr();
+            retval = 0;
+            break;
+        case FB_SET_STYLE:
+            cur_attr.t = at_style;
+            cur_attr.a.s.style = IPC_GET_ARG1(call);
+            cur_attr.a.i.bg_color = IPC_GET_ARG2(call);
+            serial_set_attrs(&cur_attr);
+            retval = 0;
+            break;
+        case FB_SET_COLOR:
+            cur_attr.t = at_idx;
+            cur_attr.a.i.fg_color = IPC_GET_ARG1(call);
+            cur_attr.a.i.bg_color = IPC_GET_ARG2(call);
+            cur_attr.a.i.flags = IPC_GET_ARG3(call);
+            serial_set_attrs(&cur_attr);
+            retval = 0;
+            break;
+        case FB_SET_RGB_COLOR:
+            cur_attr.t = at_rgb;
+            cur_attr.a.i.fg_color = IPC_GET_ARG1(call);
+            cur_attr.a.i.bg_color = IPC_GET_ARG2(call);
+            serial_set_attrs(&cur_attr);
+            retval = 0;
+            break;
+        case FB_SCROLL:
+            i = IPC_GET_ARG1(call);
+            if ((i > scr_height) || (i < -scr_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;
+        case FB_SCREEN_YIELD:
+            serial_sgr(SGR_RESET);
+            serial_puts("\033[2J");
+            serial_goto(0, 0);
+            serial_cursor_enable();
+            retval = 0;
+            break;
+        case FB_SCREEN_RECLAIM:
+            serial_clrscr();
+            serial_set_attrs(&cur_attr);
+            retval = 0;
+            break;
+        default:
+            retval = ENOENT;
+        }
+        ipc_answer_0(callid, retval);
+    }
+}
 /**
  * @}
  */

Subversion Repositories HelenOS

(root)//branches/tracing/uspace/srv/fb/serial_console.c – Rev 3675 → 4377