include/lcd_console.h

   1 /*
   2  * Copyright (C) 2014, Compulab Ltd - http://compulab.co.il/
   3  *
   4  * SPDX-License-Identifier:     GPL-2.0+
   5  */
   6
   7 /* By default we scroll by a single line */
   8 #ifndef CONFIG_CONSOLE_SCROLL_LINES
   9 #define CONFIG_CONSOLE_SCROLL_LINES 1
  10 #endif
  11
  12 /**
  13  * lcd_init_console() - Initialize lcd console parameters
  14  *
  15  * Setup the address of console base, and the number of rows and columns the
  16  * console has.
  17  *
  18  * @address: Console base address
  19  * @rows: Number of rows in the console
  20  * @cols: Number of columns in the console
  21  */
  22 void lcd_init_console(void *address, int rows, int cols);
  23
  24 /**
  25  * lcd_set_col() - Set the number of the current lcd console column
  26  *
  27  * Set the number of the console column where the cursor is.
  28  *
  29  * @col: Column number
  30  */
  31 void lcd_set_col(short col);
  32
  33 /**
  34  * lcd_set_row() - Set the number of the current lcd console row
  35  *
  36  * Set the number of the console row where the cursor is.
  37  *
  38  * @row: Row number
  39  */
  40 void lcd_set_row(short row);
  41
  42 /**
  43  * lcd_position_cursor() - Position the cursor on the screen
  44  *
  45  * Position the cursor at the given coordinates on the screen.
  46  *
  47  * @col: Column number
  48  * @row: Row number
  49  */
  50 void lcd_position_cursor(unsigned col, unsigned row);
  51
  52 /**
  53  * lcd_get_screen_rows() - Get the total number of screen rows
  54  *
  55  * @return: Number of screen rows
  56  */
  57 int lcd_get_screen_rows(void);
  58
  59 /**
  60  * lcd_get_screen_columns() - Get the total number of screen columns
  61  *
  62  * @return: Number of screen columns
  63  */
  64 int lcd_get_screen_columns(void);
  65
  66 /**
  67  * lcd_putc() - Print to screen a single character at the location of the cursor
  68  *
  69  * @c: The character to print
  70  */
  71 void lcd_putc(const char c);
  72
  73 /**
  74  * lcd_puts() - Print to screen a string at the location of the cursor
  75  *
  76  * @s: The string to print
  77  */
  78 void lcd_puts(const char *s);
  79
  80 /**
  81  * lcd_printf() - Print to screen a formatted string at location of the cursor
  82  *
  83  * @fmt: The formatted string to print
  84  * @...: The arguments for the formatted string
  85  */
  86 void lcd_printf(const char *fmt, ...);