C18 LaurTec Library  2.5
Open Source C Library for PIC18 Microcontrollers
LaurTec_c18_libraries_v_2.5/src/GLCD_KS0108B.c File Reference
#include "GLCD_KS0108B.h"
#include "delay.h"
#include "delays.h"

Go to the source code of this file.

Functions

void wait_busy_status_GLCD (void)
unsigned char get_controller_status_GLCD (void)
void write_command_GLCD (unsigned char command_to_send)
void set_display_GLCD (unsigned char display_status)
void set_page_GLCD (unsigned char controller_page)
void set_address_GLCD (unsigned char controller_address)
void set_vertical_offset_GLCD (unsigned char vertical_offset)
void write_data_GLCD (unsigned char data_to_send)
void clear_GLCD (unsigned char filling_color)
unsigned char read_data_GLCD (void)
void plot_xy_GLCD (unsigned char x_pos, unsigned char y_pos, unsigned char filling_color)
void draw_vertical_line_GLCD (unsigned char x_origin, unsigned char y_origin, unsigned char length, unsigned char filling_color)
void draw_horizontal_line_GLCD (unsigned char x_origin, unsigned char y_origin, unsigned char length, unsigned char filling_color)
void draw_window_GLCD (unsigned char x_origin, unsigned char y_origin, unsigned char width, unsigned char height, unsigned char filling_color)
void draw_box_GLCD (unsigned char x_origin, unsigned char y_origin, unsigned char width, unsigned char height, unsigned char filling_color)
void write_char_GLCD (unsigned char x_pos, unsigned char y_pos, unsigned char character)
void write_string_GLCD (unsigned char x_pos, unsigned char y_pos, unsigned char *character_array)
void write_message_GLCD (unsigned char x_pos, unsigned char y_pos, const rom unsigned char *character)
void draw_picture_GLCD (rom unsigned char *picture_table)
void write_integer_GLCD (unsigned char x_pos, unsigned char y_pos, int value, char number_of_digits)
void set_font_GLCD (unsigned char width, unsigned char height)
void backlight_GLCD (unsigned char backlight)
void initialize_GLCD (void)

Variables

unsigned char font_width = 0
unsigned char font_height = 0

Function Documentation

void backlight_GLCD ( unsigned char  backlight)

This function turns ON-OFF the GLCD back light.

Parameters:
backlightControl the backlight LED. TURN_ON_LED : Backlight is ON TURN_OFF_LED : Backlight is OFF
Returns:
void

Definition at line 555 of file GLCD_KS0108B.c.

References GLCD_LED.

void clear_GLCD ( unsigned char  filling_color)

This function clears the display either in black or white color.

Parameters:
filling_colorFilling color allows to set the display either on white or black color [FILLING_WHITE, FILLING_BLACK]
Returns:
void

Definition at line 225 of file GLCD_KS0108B.c.

References GLCD_CS1, GLCD_CS2, HIGH, LOW, NUMBER_OF_PAGES, set_address_GLCD(), set_page_GLCD(), write_data_GLCD(), and Y_RESOLUTION.

void draw_box_GLCD ( unsigned char  x_origin,
unsigned char  y_origin,
unsigned char  length,
unsigned char  height,
unsigned char  filling_color 
)

This function plots a colored box either in black or white color. Origin and length and height can be set by the user.

Parameters:
x_originBox X origin [0..127]
y_originBox Y origin [0..63]
lengthBox lenght.
lengthBox height.
filling_colorFilling color allows to set the dot either on white or black color [FILLING_WHITE, FILLING_BLACK]
Returns:
void
Warning:
It is user responsibility to make sure that the window length and height are valid, depending on x_origin, y_origin.

Definition at line 397 of file GLCD_KS0108B.c.

References draw_vertical_line_GLCD().

void draw_horizontal_line_GLCD ( unsigned char  x_origin,
unsigned char  y_origin,
unsigned char  length,
unsigned char  filling_color 
)

This function plots an horizontal line either in black or white color. Origin and length can be set by the user.

Parameters:
x_originLine X origin [0..127].
y_originLine Y origin [0..63].
lengthLine lenght [0..127].
filling_colorFilling color allows to set the dot either on white or black color [FILLING_WHITE, FILLING_BLACK]
Returns:
void
Warning:
It is user responsibility to make sure that the line length is valid, depending on x_origin, y_origin.

Definition at line 365 of file GLCD_KS0108B.c.

References plot_xy_GLCD().

void draw_picture_GLCD ( rom unsigned char *  picture_table)

This function draws a picture with 128x64 resolution.

Parameters:
picture_tablePointer to the table cointaining the picture (stored in flash).
Returns:
void

Definition at line 471 of file GLCD_KS0108B.c.

References GLCD_CS1, GLCD_CS2, HIGH, LOW, NUMBER_OF_PAGES, set_address_GLCD(), set_page_GLCD(), write_data_GLCD(), and Y_RESOLUTION.

void draw_vertical_line_GLCD ( unsigned char  x_origin,
unsigned char  y_origin,
unsigned char  length,
unsigned char  filling_color 
)

This function plots a vertical line either in black or white color. Origin and length can be set by the user.

Parameters:
x_originLine X origin [0..128].
y_originLine Y origin [0..63].
lengthLine lenght [0..63].
filling_colorFilling color allows to set the dot either on white or black color [FILLING_WHITE, FILLING_BLACK]
Returns:
void
Warning:
It is user responsibility to make sure that the line length is valid, depending on x_origin, y_origin.

Definition at line 352 of file GLCD_KS0108B.c.

References plot_xy_GLCD().

void draw_window_GLCD ( unsigned char  x_origin,
unsigned char  y_origin,
unsigned char  length,
unsigned char  height,
unsigned char  filling_color 
)

This function plots an empty window either with black or white color borders. Origin and length and height can be set by the user.

Parameters:
x_originWindow X origin [0..127].
y_originWindow Y origin [0..63].
lengthWindow lenght [0..127].
lengthWindow height [0..63].
filling_colorFilling color allows to set the dot either on white or black color [FILLING_WHITE, FILLING_BLACK]
Returns:
void
Warning:
It is user responsibility to make sure that the window length and height are valid, depending on x_origin, y_origin.

Definition at line 379 of file GLCD_KS0108B.c.

References draw_horizontal_line_GLCD(), and draw_vertical_line_GLCD().

unsigned char get_controller_status_GLCD ( void  )

This function gets the Controller Status, among which the status bit.

Parameters:
void
Returns:
status Controller status (refer to the datasheet)
Note:
This is a private function. The user should not use it.

Definition at line 65 of file GLCD_KS0108B.c.

References GLCD_D_I, GLCD_DATA_DIRECTION, GLCD_DATA_READ, GLCD_E, GLCD_R_W, HIGH, INPUT, LOW, and OUTPUT.

void initialize_GLCD ( void  )

GLCD Initialization. This function should be called before using the GLCD. Controller are initialized, backlight is set to OFF, Diplay is clreared and font is set.

Parameters:
void
Returns:
void

Definition at line 564 of file GLCD_KS0108B.c.

References backlight_GLCD(), clear_GLCD(), delay_ms(), FILLING_WHITE, GLCD_CS1, GLCD_CS2, GLCD_D_I, GLCD_DATA_DIRECTION, GLCD_E, GLCD_FONT_HEIGTH_7, GLCD_FONT_WIDTH_5, GLCD_LED, GLCD_R_W, GLCD_RST, HIGH, LOW, OUTPUT, set_display_GLCD(), set_font_GLCD(), set_vertical_offset_GLCD(), TURN_OFF_LED, and TURN_ON_DISPLAY.

void plot_xy_GLCD ( unsigned char  x_pos,
unsigned char  y_pos,
unsigned char  filling_color 
)

This function plots a single dot either in black or white color. Plot position is set accordingly to x,y.

Parameters:
x_posPosition X [0..127].
y_posPosition Y [0..63].
filling_colorFilling color allows to set the dot either on white or black color [FILLING_WHITE, FILLING_BLACK]
Returns:
void

Definition at line 300 of file GLCD_KS0108B.c.

References CONTROLLER_MAX_X, FILLING_BLACK, GLCD_CS1, GLCD_CS2, HIGH, LOW, read_data_GLCD(), set_address_GLCD(), set_page_GLCD(), write_data_GLCD(), and Y_RESOLUTION.

unsigned char read_data_GLCD ( void  )

This function reads a data byte from the controller. It is used to know the data byte value of a certain address before writing into it.

Parameters:
void
Returns:
Data byte out of selected address.
Note:
This is a private function. The user should not use it.

Definition at line 270 of file GLCD_KS0108B.c.

References GLCD_D_I, GLCD_DATA_DIRECTION, GLCD_DATA_READ, GLCD_E, GLCD_R_W, HIGH, INPUT, LOW, and OUTPUT.

void set_address_GLCD ( unsigned char  controller_address)

This function sets the controller address (0 to 63).

Parameters:
controller_addressController address [0..63].
Returns:
void
Note:
This is a private function. The user should not use it.

Definition at line 159 of file GLCD_KS0108B.c.

References COMM_ADDRESS_SELECT, wait_busy_status_GLCD(), and write_command_GLCD().

void set_display_GLCD ( unsigned char  display_status)

This function sets the display turning it ON or OFF.

Parameters:
display_statusTurn ON or OFF the display [TURN_ON_DISPLAY, TURN_OFF_DISPLAY]
Returns:
void
Note:
If the display is turned OFF the RAM retains the data.

Definition at line 116 of file GLCD_KS0108B.c.

References COMM_DISPLAY_OFF, COMM_DISPLAY_ON, GLCD_CS1, GLCD_CS2, HIGH, LOW, wait_busy_status_GLCD(), and write_command_GLCD().

void set_font_GLCD ( unsigned char  width,
unsigned char  height 
)

This function sets the font. Currently only one font is supported so is not yet that important. The initialization function is calling it so there is no reason to call it till new fonts will be supported.

Parameters:
widthFont width.
widthFont height.
Returns:
void

Definition at line 545 of file GLCD_KS0108B.c.

References font_height, and font_width.

void set_page_GLCD ( unsigned char  controller_page)

This function sets the controller page (0 to NUMBER_OF_PAGES).

Parameters:
controller_pageController page [0..NUMBER_OF_PAGES].
Returns:
void
Note:
This is a private function. The user should not use it.

Definition at line 148 of file GLCD_KS0108B.c.

References COMM_PAGE_SELECT, wait_busy_status_GLCD(), and write_command_GLCD().

void set_vertical_offset_GLCD ( unsigned char  vertical_offset)

This function sets the vertical offset allowing a display shift.

Parameters:
vertical_offsetVertical offset [0..63].
Returns:
void

Definition at line 170 of file GLCD_KS0108B.c.

References COMM_START_LINE, GLCD_CS1, GLCD_CS2, HIGH, LOW, and write_command_GLCD().

void wait_busy_status_GLCD ( void  )

This function waits until the controller is not busy anylonger. It calls the private function get_controller_status_GLCD ().

Parameters:
void
Returns:
void
Note:
The function is a blocking function. This is a private function, the user should not use it.

Definition at line 48 of file GLCD_KS0108B.c.

References get_controller_status_GLCD(), and GLCD_BUSY_FLAG.

void write_char_GLCD ( unsigned char  x_pos,
unsigned char  y_pos,
unsigned char  character 
)

This function writes an ASCII character.

Parameters:
x_posPosition X [0..127].
y_posPosition Y [0..63].
characterASCII character either as number (unsigned char) or character. Example: 97, 'a'.
Returns:
void

Definition at line 409 of file GLCD_KS0108B.c.

References FILLING_BLACK, FILLING_WHITE, font_5x7, font_height, font_width, and plot_xy_GLCD().

void write_command_GLCD ( unsigned char  command_to_send)

This function writes a command to the controller. The available commands are GLCD command constants. For each command there is a dedicated function. The User should use these rather than sending commands.

Parameters:
command_to_sendCommand to be sent to the Controller.
Returns:
void
Note:
This is a private function. The user should not use it.

Definition at line 89 of file GLCD_KS0108B.c.

References GLCD_D_I, GLCD_DATA_WRITE, GLCD_E, GLCD_R_W, HIGH, and LOW.

void write_data_GLCD ( unsigned char  data_to_send)

This function writes a data byte to the controller.

Parameters:
data_to_sendData byte to be sent out.
Returns:
void
Note:
This is a private function. The user should not use it.

Definition at line 195 of file GLCD_KS0108B.c.

References GLCD_D_I, GLCD_DATA_WRITE, GLCD_E, GLCD_R_W, HIGH, and LOW.

void write_integer_GLCD ( unsigned char  x_pos,
unsigned char  y_pos,
int  value,
char  number_of_digits 
)

This function writes variable that contains an integer number.

Parameters:
x_posPosition X [0..127].
y_posPosition Y [0..63].
valueInteger value to be written (either positive or negative)
number_of_digitsThe number is formatted with a fixed number of digits to ensure a constant string length.
Returns:
void

Definition at line 513 of file GLCD_KS0108B.c.

References itoa(), and write_string_GLCD().

void write_message_GLCD ( unsigned char  x_pos,
unsigned char  y_pos,
const rom unsigned char *  character 
)

This function writes a constant string of char.

Parameters:
x_posPosition X [0..127].
y_posPosition Y [0..63].
character_arrayPointer to the array that contains the string (stored in flash).
Returns:
void

Definition at line 454 of file GLCD_KS0108B.c.

References font_width, GLCD_FONT_SPACE, and write_char_GLCD().

void write_string_GLCD ( unsigned char  x_pos,
unsigned char  y_pos,
unsigned char *  character_array 
)

This function writes an entire string of char. The string must be terminated with /0.

Parameters:
x_posPosition X [0..127].
y_posPosition Y [0..63].
character_arrayPointer to the array that contains the string.
Returns:
void
Warning:
The array of unsigned char must be terminated with the /0 character.

Definition at line 438 of file GLCD_KS0108B.c.

References font_width, GLCD_FONT_SPACE, and write_char_GLCD().


Variable Documentation

unsigned char font_height = 0

Definition at line 42 of file GLCD_KS0108B.c.

unsigned char font_width = 0

Definition at line 41 of file GLCD_KS0108B.c.

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