no-OS
Functions
display.c File Reference

Implementation of display Driver. More...

#include <stdlib.h>
#include <stdbool.h>
#include "display.h"
#include "no-os/error.h"
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Functions

int32_t display_init (struct display_dev **device, const struct display_init_param *param)
 Initializes the display peripheral. More...
 
int32_t display_remove (struct display_dev *device)
 Frees the resources allocated by display_init(). More...
 
int32_t display_on (struct display_dev *device)
 Turns display on. More...
 
int32_t display_off (struct display_dev *device)
 Turns display off. More...
 
int32_t display_move_cursor (struct display_dev *device, uint8_t row, uint8_t column)
 Moves cursor to desired position. More...
 
int32_t display_clear (struct display_dev *device)
 Clears data on display. More...
 
int32_t display_print_string (struct display_dev *device, char *msg, uint8_t row, uint8_t column)
 Prints char string at selected position. More...
 
int32_t display_print_char (struct display_dev *device, char chr, uint8_t row, uint8_t column)
 Prints single char at selected position. More...
 

Detailed Description

Implementation of display Driver.

Author
Andrei Porumb (andre.nosp@m.i.po.nosp@m.rumb@.nosp@m.anal.nosp@m.og.co.nosp@m.m)

Copyright 2021(c) Analog Devices, Inc.

All rights reserved.

Redistribution and use in source and binary forms, with or without modification, are permitted provided that the following conditions are met:

THIS SOFTWARE IS PROVIDED BY ANALOG DEVICES "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, NON-INFRINGEMENT, MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL ANALOG DEVICES BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, INTELLECTUAL PROPERTY RIGHTS, 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.

Function Documentation

◆ display_clear()

int32_t display_clear ( struct display_dev device)

Clears data on display.

Parameters
device- The device structure.
Returns
Returns SUCCESS in case of success or negative error code otherwise.
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◆ display_init()

int32_t display_init ( struct display_dev **  device,
const struct display_init_param param 
)

Initializes the display peripheral.

Parameters
device- The device structure.
param- The structure that contains the device initial parameters.
Returns
Returns SUCCESS in case of success or negative error code otherwise.
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◆ display_move_cursor()

int32_t display_move_cursor ( struct display_dev device,
uint8_t  row,
uint8_t  column 
)

Moves cursor to desired position.

Parameters
device- The device structure.
row- row
column- column
Returns
Returns SUCCESS in case of success or negative error code otherwise.

◆ display_off()

int32_t display_off ( struct display_dev device)

Turns display off.

Parameters
device- The device structure.
Returns
Returns SUCCESS in case of success or negative error code otherwise.

◆ display_on()

int32_t display_on ( struct display_dev device)

Turns display on.

Parameters
device- The device structure.
Returns
Returns SUCCESS in case of success or negative error code otherwise.
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◆ display_print_char()

int32_t display_print_char ( struct display_dev device,
char  chr,
uint8_t  row,
uint8_t  column 
)

Prints single char at selected position.

Parameters
device- The device structure.
chr- char to be printed
row- row
column- column
Returns
Returns SUCCESS in case of success or negative error code otherwise.

◆ display_print_string()

int32_t display_print_string ( struct display_dev device,
char *  msg,
uint8_t  row,
uint8_t  column 
)

Prints char string at selected position.

Parameters
device- The device structure.
msg- char string pointer
row- row
column- column
Returns
Returns SUCCESS in case of success or negative error code otherwise.
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◆ display_remove()

int32_t display_remove ( struct display_dev device)

Frees the resources allocated by display_init().

Parameters
device- The device structure.
Returns
Returns SUCCESS in case of success or negative error code otherwise.