HG_REPOSITORIES/LPP/INSTRUMENTATION/USERS/PELLION/VHD_Lib Files · LPP_drivers/apb_lcd_driver.c

Cleaned APB_LCD_DRIVER, added C driver for LCD frame buffer and general purpose APB management(PnP). Added example for implementing APB_LCD_DRIVER on digilent xc3s1600e board.

Alexis - - Load All Authors

File last commit:

r14:46dea010b1a4 default


                r14:46dea010b1a4

default

Download file

             apb_lcd_driver.c
        
                    97 lines
            
             | 1.6 KiB
            
                | text/x-c
            
             |
                CLexer
            
             / LPP_drivers / apb_lcd_driver.c
          
                    History
                
                 |
                  Source
                 | Raw
                 |Copy content
                 |Copy permalink

        Alexis
    
Cleaned APB_LCD_DRIVER, added C driver for LCD frame buffer and general purpose APB management(PnP). Added example for implementing APB_LCD_DRIVER on digilent xc3s1600e board.

              r14
            
      #include "apb_lcd_driver.h"

      #include "lpp_apb_functions.h"

      #include "lpp_apb_functions.h"

      #include <stdio.h>

      int lcdbusy(lcd_device* lcd)

      {

         return (!(lcd->cfg_reg&readyFlag)==readyFlag);

      }

      lcd_device* lcdopen(int count)

      {

          lcd_device* dev;

          dev = (lcd_device*) apbgetdevice(LPP_LCD_CTRLR,VENDOR_LPP,count);

          return dev;

          //* scan APB bus an return the count(th) lcd controler */

      }

      lcd_err lcdsendcmd(lcd_device* lcd,int cmd)

      {

          lcd_err err;

          err = lcd_error_no_error;

          if (lcd!=NULL)

          {

              while(lcdbusy(lcd));

              lcd->cfg_reg = cmd;

              return err;

          }

          else

          {

              err = lcd_error_not_openned ;

              return err;

          }

      }

      lcd_err lcdsetchar(lcd_device* lcd,int position,const char value)

      {

          lcd_err err;

          err = lcd_error_no_error;

          return err;

      }

      lcd_err lcdprint(lcd_device* lcd,int position,const char* value)

      {

          lcd_err err;

          err = lcd_error_no_error;

          if (lcd!=NULL)

          {

              int i = position;

              int n = 0;

              while(value[n]!= '\0' && i<lcdCharCnt)

              {

                      if(value[n] == '\n')

                      {

                          i=40;n++;

                      }

                      lcd->Frame_buff[i++] = value[n++];

              }

              return err;

          }

          else

          {

              err = lcd_error_not_openned ;

              return err;

          }

      }

      lcd_err lcdclear(lcd_device* lcd)

      {

          lcd_err err;

          err = lcd_error_no_error;

          if (lcd!=NULL)

          {

              int i=0;

              for(i=0;i<lcdCharCnt;i++)

              {

               lcd->Frame_buff[i] = ' ';

              }

              return err;

          }

          err = lcd_error_not_openned ;

         return err;

      }

	Site-wide shortcuts
/	Use quick search box
g h	Goto home page
g g	Goto my private gists page
g G	Goto my public gists page
g 0-9	Goto bookmarked items from 0-9
n r	New repository page
n g	New gist page

	Repositories
g s	Goto summary page
g c	Goto changelog page
g f	Goto files page
g F	Goto files page with file search activated
g p	Goto pull requests page
g o	Goto repository settings
g O	Goto repository access permissions settings
t s	Toggle sidebar on some pages

Alexis Cleaned APB_LCD_DRIVER, added C driver for LCD frame buffer and general purpose APB management(PnP). Added example for implementing APB_LCD_DRIVER on digilent xc3s1600e board.	r14	#include "apb_lcd_driver.h"
		#include "lpp_apb_functions.h"
		#include "lpp_apb_functions.h"
		#include <stdio.h>

		int lcdbusy(lcd_device* lcd)
		{
		return (!(lcd->cfg_reg&readyFlag)==readyFlag);
		}


		lcd_device* lcdopen(int count)
		{
		lcd_device* dev;
		dev = (lcd_device*) apbgetdevice(LPP_LCD_CTRLR,VENDOR_LPP,count);
		return dev;
		//* scan APB bus an return the count(th) lcd controler */

		}



		lcd_err lcdsendcmd(lcd_device* lcd,int cmd)
		{
		lcd_err err;
		err = lcd_error_no_error;
		if (lcd!=NULL)
		{
		while(lcdbusy(lcd));
		lcd->cfg_reg = cmd;
		return err;
		}
		else
		{
		err = lcd_error_not_openned ;
		return err;
		}
		}



		lcd_err lcdsetchar(lcd_device* lcd,int position,const char value)
		{
		lcd_err err;
		err = lcd_error_no_error;
		return err;
		}



		lcd_err lcdprint(lcd_device* lcd,int position,const char* value)
		{
		lcd_err err;
		err = lcd_error_no_error;
		if (lcd!=NULL)
		{
		int i = position;
		int n = 0;
		while(value[n]!= '\0' && i<lcdCharCnt)
		{
		if(value[n] == '\n')
		{
		i=40;n++;
		}
		lcd->Frame_buff[i++] = value[n++];
		}
		return err;
		}
		else
		{
		err = lcd_error_not_openned ;
		return err;
		}
		}



		lcd_err lcdclear(lcd_device* lcd)
		{
		lcd_err err;
		err = lcd_error_no_error;
		if (lcd!=NULL)
		{
		int i=0;
		for(i=0;i<lcdCharCnt;i++)
		{
		lcd->Frame_buff[i] = ' ';
		}
		return err;
		}
		err = lcd_error_not_openned ;
		return err;
		}