| 0,0 → 1,381 |
|---|
| /* |
| * 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 "../console/screenbuffer.h" |
| #include "main.h" |
| #include "serial_console.h" |
| |
| #define MAX_CONTROL 20 |
| |
| static void serial_sgr(const unsigned int mode); |
| |
| static int scr_width; |
| static int scr_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 > scr_height) || (col > scr_width)) |
| return; |
| |
| char control[MAX_CONTROL]; |
| 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(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. */ |
| 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) |
| { |
| scr_width = w; |
| 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; |
| } |
| } |
| |
| static void draw_text_data(keyfield_t *data) |
| { |
| int i, j; |
| attrs_t *a0, *a1; |
| |
| serial_goto(0, 0); |
| a0 = &data[0].attrs; |
| serial_set_attrs(a0); |
| |
| for (i = 0; i < scr_height; i++) { |
| for (j = 0; j < scr_width; j++) { |
| a1 = &data[i * scr_width + j].attrs; |
| if (!attrs_same(*a0, *a1)) |
| serial_set_attrs(a1); |
| (*putc_function)(data[i * scr_width + j].character); |
| a0 = a1; |
| } |
| } |
| } |
| |
| /** |
| * 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; |
| |
| char c; |
| int lastcol = 0; |
| int lastrow = 0; |
| int newcol; |
| int newrow; |
| int fgcolor; |
| int bgcolor; |
| int flags; |
| 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(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: |
| if (!interbuf) { |
| retval = EINVAL; |
| break; |
| } |
| draw_text_data(interbuf); |
| retval = 0; |
| break; |
| 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, scr_height, scr_width); |
| continue; |
| case FB_CLEAR: |
| serial_clrscr(); |
| retval = 0; |
| break; |
| case FB_SET_STYLE: |
| style = IPC_GET_ARG1(call); |
| serial_set_style(style); |
| retval = 0; |
| break; |
| case FB_SET_COLOR: |
| fgcolor = IPC_GET_ARG1(call); |
| bgcolor = IPC_GET_ARG2(call); |
| flags = IPC_GET_ARG3(call); |
| |
| serial_set_idx(fgcolor, bgcolor, flags); |
| retval = 0; |
| break; |
| case FB_SET_RGB_COLOR: |
| fgcolor = IPC_GET_ARG1(call); |
| bgcolor = IPC_GET_ARG2(call); |
| |
| serial_set_rgb(fgcolor, bgcolor); |
| 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; |
| default: |
| retval = ENOENT; |
| } |
| ipc_answer_0(callid, retval); |
| } |
| } |
| |
| /** |
| * @} |
| */ |