Tedd OKANO / Mbed 2 deprecated SB1602E_test

Test program for SB1602E class library

Dependencies:   SB1602E mbed

Fork of TextLCD_SB1602E by Tedd OKANO

Test program for the text LCD module "SB1602E" class library

This is the version 2.0 of the TextLCD_SB1602E. /media/uploads/okano/dsc_0744.jpg

http://mbed.org/media/uploads/okano/lcd.png

The "Hello" program is available

Import programSB1602E_Hello

A Hello program for the text LCD module SB1602E class driver. The SB1602E's old class driver (TextLCD_SB1602B) has been rewritten in more common manner of I2C devices.

Last commit 05 Jan 2015 by Tedd OKANO

TextLCD_SB1602E_test.cpp@0:694061176edf, 2010-01-23 (annotated)

Committer:
okano
Date:
Sat Jan 23 13:45:18 2010 +0000
Revision:
0:694061176edf

        

        
Who changed what in which revision?

        

            
                
UserRevisionLine numberNew contents of line

            
            


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/*





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 *  LCD module "SB1602E" test application





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 *





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 *  SB1602E is an I2C based low voltage text LCD panel (based Sitronix ST7032 chip)





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 *  The module by StrawberryLinux





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 *  http://strawberry-linux.com/catalog/items?code=27002 (Online shop page (Japanese))





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 *  http://strawberry-linux.com/pub/ST7032i.pdf (datasheet of the chip)





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 *





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 *  Copyright (c) 2010 Tedd OKANO





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 *  Released under the MIT License: http://mbed.org/license/mit





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 *





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 *  revision 1.0  22-Jan-2010   a. 1st release





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 *  revision 1.1  23-Jan-2010   a. class and app name has been changed from lcd_SB1602E to TextLCD_SB1602E





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 *                              b. printf() test added





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 *                              c. copyright notice added





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 */





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#include    "mbed.h"





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#include    "TextLCD_SB1602E.h"





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#define        TEST_LOOP                    1





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#define        DEFAULT_TIME_INTERVAL        1.0





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#define        DEFAULT_TIME_INTERVAL_PUTx   0.2





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#define        CONTRAST_ADJUST_TEST





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#define        PRINTF_TEST





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#define        CGRAM_FUNCTION_TEST





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#define        PUTS_TEST_WITH_ESCAPE





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#define        PUTS_TEST_WITHOUT_ESCAPE





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#define        PUTC_TEST





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I2C                i2c( p9, p10 );        // sda, scl





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Serial            pc( USBTX, USBRX ); // tx, rx





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TextLCD_SB1602E    lcd( &i2c );





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static char    cg[8][8]        =    {// I hope I can improve this bitmap sometime in future (^^;





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    { 0x1E, 0x1F, 0x1F, 0x1D, 0x1C, 0x1C, 0x1C, 0x1C },





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    { 0x01, 0x02, 0x13, 0x1B, 0x1F, 0x1F, 0x0F, 0x15 },





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    { 0x19, 0x1D, 0x1F, 0x0F, 0x1F, 0x0F, 0x1D, 0x18 },





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    { 0x1F, 0x1D, 0x16, 0x1E, 0x17, 0x1F, 0x1A, 0x1C },





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    { 0x1E, 0x1F, 0x07, 0x07, 0x1F, 0x1E, 0x00, 0x00 },





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    { 0xAA, 0x55, 0xAA, 0x55, 0xAA, 0x55, 0xAA, 0x55 },





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    { 0x44, 0x11, 0x44, 0x11, 0x44, 0x11, 0x44, 0x11 },





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    { 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 },





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};





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void lcd_test( void );





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void set_lines_fixed_value( char line, char value );





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void block_pattaern( char direction, char polarity );





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int main() {





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    lcd.puts( 0, "TextLCD_SB1602E \r" );





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    for ( int i = 10; i > 0; i-- ) {





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        lcd.printf( 1, "  count down: %2d\r", i );





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        wait( 1.0 );





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    }





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    do {





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        lcd_test();





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    } while ( TEST_LOOP );





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}





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void lcd_test( void ) {





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    char    s[ 18 ];





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    int        i;





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    pc.printf( "LCD test runing\n" );





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    lcd.contrast( default_Contrast );





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#ifdef CONTRAST_ADJUST_TEST





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    pc.printf( "  CONTRAST_ADJUST_TEST\n" );





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    lcd.clear();





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    lcd.puts( 1, "\x07\x07\x07\x07\x07 contrast()\r" );





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    wait( DEFAULT_TIME_INTERVAL );





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    lcd.puts( 0, "ABCDEFGHIJKLMNOP\r" );





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    for ( int t = 0; t < 2; t++ ) {





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        for ( i = 0; i <= 0x3F; i++ ) {





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            lcd.printf( 1, "  cntrst = 0x%02X\r", i );





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            lcd.contrast( i );





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            wait ( 0.02 );





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        }





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        for ( i = 0x3E; i > 0 ; i-- ) {





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            sprintf( s, "  cntrst = 0x%02X\r", i );





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            lcd.puts( 1, s );





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            lcd.contrast( i );





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            wait ( 0.02 );





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        }





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    }





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    lcd.contrast( default_Contrast );





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#endif





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#ifdef PRINTF_TEST





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    pc.printf( "  PRINTF_TEST\n" );





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    lcd.clear();





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    lcd.puts( 1, "\x07\x07\x07\x07\x07\x07\x07 printf()\r" );





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    wait( DEFAULT_TIME_INTERVAL );





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    lcd.printf( 0, "%%6.4f, %%c, %%X\"\r" );





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    for ( i = -37; i < 37; i++ ) {





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        lcd.printf( 1, "%6.4f, %c, %x\r", (float)i / 37.0, 'a' + i, i + 37 );





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        wait ( 0.1 );





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    }





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#endif





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#ifdef CGRAM_FUNCTION_TEST





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    pc.printf( "  CGRAM_FUNCTION_TEST\n" );





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    lcd.clear();





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    lcd.puts( 1, "\x07\x07\x07\x07 set_CGRAM()\r" );





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    wait( DEFAULT_TIME_INTERVAL );





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    for ( i = 0; i < 8; i++ )





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        lcd.put_custom_char( i, cg[ i ], i, 0 );





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    for ( i = 0; i < 8; i++ )





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        lcd.put_custom_char( i, cg[ i ], i + 8, 0 );





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    for ( i = 0; i < 8; i++ )





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        lcd.put_custom_char( i, cg[ i ], i, 1 );





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    for ( i = 0; i < 8; i++ )





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        lcd.put_custom_char( i, cg[ i ], i + 8, 1 );





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    wait( DEFAULT_TIME_INTERVAL );





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    lcd.clear();





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    lcd.set_CGRAM( 7, '\x1F' );





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    lcd.set_CGRAM( 0, '\0' );





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    lcd.set_CGRAM( 1, '\0' );





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    lcd.set_CGRAM( 0, '\0' );





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    lcd.set_CGRAM( 1, '\0' );





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    set_lines_fixed_value( 0, 1 );





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    set_lines_fixed_value( 1, 0 );





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    block_pattaern( 0, 0 );





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    block_pattaern( 0, 1 );





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    block_pattaern( 1, 0 );





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    block_pattaern( 1, 1 );





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#endif





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#ifdef PUTS_TEST_WITH_ESCAPE





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    pc.printf( "  PUTS_TEST_WITH_ESCAPE\n" );





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    lcd.clear();





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    lcd.puts( 1, "\x07\x07\x07 puts(\"..\\r\")\r" );





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    wait( DEFAULT_TIME_INTERVAL );





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    lcd.puts( 0, "\rWelcome to mbed!\r" );





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    lcd.puts( 1, "\rwww.mbed.com\r" );





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    wait( DEFAULT_TIME_INTERVAL );





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    lcd.puts( 0, "       This is a\r" );





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    lcd.puts( 1, "        LCD test\r" );





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    wait( DEFAULT_TIME_INTERVAL );





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    lcd.puts( 0, "  22-Jan-2010\r" );





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    lcd.puts( 1, "  Hello world!\r" );





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    wait( DEFAULT_TIME_INTERVAL );





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#endif





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#ifdef PUTS_TEST_WITHOUT_ESCAPE





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    pc.printf( "  PUTS_TEST_WITHOUT_ESCAPE\n" );





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    lcd.clear();





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    lcd.puts( 0, "\r" );





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    lcd.puts( 1, "\x07\x07\x07\x07\x07 puts(\"..\")\r" );





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    wait( DEFAULT_TIME_INTERVAL );





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    lcd.puts( 0, "0" );





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    lcd.puts( 1, "ABC" );





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    wait( DEFAULT_TIME_INTERVAL_PUTx );





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    lcd.puts( 0, "1" );





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    lcd.puts( 1, "DEF" );





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    wait( DEFAULT_TIME_INTERVAL_PUTx );





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    lcd.puts( 0, "2" );





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    lcd.puts( 1, "GHI" );





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    wait( DEFAULT_TIME_INTERVAL_PUTx );





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    lcd.puts( 0, "3" );





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    lcd.puts( 1, "JKL" );





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    wait( DEFAULT_TIME_INTERVAL_PUTx );





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    lcd.puts( 0, "4" );





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    lcd.puts( 1, "MNO" );





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    wait( DEFAULT_TIME_INTERVAL_PUTx );





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    lcd.puts( 0, "5" );





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    lcd.puts( 1, "PQR" );





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    wait( DEFAULT_TIME_INTERVAL_PUTx );





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    lcd.puts( 0, "6" );





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    wait( DEFAULT_TIME_INTERVAL_PUTx );





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    lcd.puts( 0, "7" );





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    wait( DEFAULT_TIME_INTERVAL_PUTx );





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    lcd.puts( 0, "8" );





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    wait( DEFAULT_TIME_INTERVAL_PUTx );





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    lcd.puts( 0, "9" );





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    wait( DEFAULT_TIME_INTERVAL_PUTx );





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    lcd.puts( 0, "A" );





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    wait( DEFAULT_TIME_INTERVAL_PUTx );





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    lcd.puts( 0, "B" );





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    wait( DEFAULT_TIME_INTERVAL_PUTx );





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    lcd.puts( 0, "C" );





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    wait( DEFAULT_TIME_INTERVAL_PUTx );





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    lcd.puts( 0, "D" );





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    wait( DEFAULT_TIME_INTERVAL_PUTx );





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    lcd.puts( 0, "E" );





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    wait( DEFAULT_TIME_INTERVAL_PUTx );





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    lcd.puts( 0, "F" );





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    wait( DEFAULT_TIME_INTERVAL_PUTx );





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#endif





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#ifdef PUTC_TEST





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    pc.printf( "  PUTC_TEST\n" );





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    lcd.clear();





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    lcd.puts( 1, "\x07\x07\x07\x07\x07\x07\x07\x07\x07 putc()\r" );





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    wait( DEFAULT_TIME_INTERVAL );





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    for ( i = 0; i < 16; i++ ) {





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        lcd.putc( 0, '0' + i );





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        lcd.putc( 1, 'A' + i );





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        wait( DEFAULT_TIME_INTERVAL_PUTx );





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    }





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#endif





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}





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void set_lines_fixed_value( char line, char value ) {





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    for ( int i = 0; i < 16; i++ )





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        lcd.putc( line, value );





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    lcd.puts( line, "\r" );





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}





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void block_pattaern( char direction, char polarity ) {





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    char    c[ 8 ];





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    for ( int x = 0; x < 2; x++ ) {





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        for ( int i = 0; i < 8; i++ ) {





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            for ( int j = 0; j < 8; j++ ) {





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                if ( j <= i )





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                    c[ (direction ? j : 7 - j) ]    = (polarity ?  0x00: ~0x00 );





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                else





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                    c[ (direction ? j : 7 - j) ]    = (polarity ? ~0x00 : 0x00 );





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            }





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            lcd.set_CGRAM( (x ? (direction ? 0 : 1) : (direction ? 1 : 0)), c );





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            wait( 0.05 );





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        }





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    }





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}