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  1. /*
  2.  * Copyright (c) 2006 Ondrej Palkovsky
  3.  * Copyright (c) 2008 Martin Decky
  4.  * Copyright (c) 2008 Pavel Rimsky
  5.  * All rights reserved.
  6.  *
  7.  * Redistribution and use in source and binary forms, with or without
  8.  * modification, are permitted provided that the following conditions
  9.  * are met:
  10.  *
  11.  * - Redistributions of source code must retain the above copyright
  12.  *   notice, this list of conditions and the following disclaimer.
  13.  * - Redistributions in binary form must reproduce the above copyright
  14.  *   notice, this list of conditions and the following disclaimer in the
  15.  *   documentation and/or other materials provided with the distribution.
  16.  * - The name of the author may not be used to endorse or promote products
  17.  *   derived from this software without specific prior written permission.
  18.  *
  19.  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
  20.  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
  21.  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
  22.  * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
  23.  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
  24.  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
  25.  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
  26.  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
  27.  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
  28.  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  29.  */
  30.  
  31. /**
  32.  * @defgroup serial Serial console
  33.  * @brief    Serial console services (putc, puts, clear screen, cursor goto,...).*
  34.  * @{
  35.  */
  36.  
  37. /** @file
  38.  */
  39.  
  40. #include <stdio.h>
  41.  
  42. #include "serial_console.h"
  43.  
  44. #define MAX_CONTROL 20
  45.  
  46. static uint32_t width;
  47. static uint32_t height;
  48. static putc_function_t putc_function;
  49.  
  50. void serial_puts(char *str)
  51. {
  52.     while (*str)
  53.         putc_function(*(str++));
  54. }
  55.  
  56. void serial_goto(const unsigned int row, const unsigned int col)
  57. {
  58.     if ((row > height) || (col > width))
  59.         return;
  60.    
  61.     char control[20];
  62.     snprintf(control, 20, "\033[%u;%uf", row + 1, col + 1);
  63.     serial_puts(control);
  64. }
  65.  
  66. void serial_clrscr(void)
  67. {
  68.     serial_puts("\033[2J");
  69. }
  70.  
  71. void serial_scroll(int i)
  72. {
  73.     if (i > 0) {
  74.         serial_goto(height - 1, 0);
  75.         while (i--)
  76.             serial_puts("\033D");
  77.     } else if (i < 0) {
  78.         serial_goto(0, 0);
  79.         while (i++)
  80.             serial_puts("\033M");
  81.     }
  82. }
  83.  
  84. void serial_set_style(const unsigned int mode)
  85. {
  86.     char control[MAX_CONTROL];
  87.     snprintf(control, MAX_CONTROL, "\033[%um", mode);
  88.     serial_puts(control);
  89. }
  90.  
  91. void serial_cursor_disable(void)
  92. {
  93.     serial_puts("\033[?25l");
  94. }
  95.  
  96. void serial_cursor_enable(void)
  97. {
  98.     serial_puts("\033[?25h");
  99. }
  100.  
  101. void serial_console_init(putc_function_t putc_fn, uint32_t w, uint32_t h)
  102. {
  103.     width = w;
  104.     height = h;
  105.     putc_function = putc_fn;
  106. }
  107.  
  108. /**
  109.  * @}
  110.  */