Tedd OKANO / Mbed 2 deprecated SB1602E_test

Important changes to repositories hosted on mbed.com

Mbed hosted mercurial repositories are deprecated and are due to be permanently deleted in July 2026.

To keep a copy of this software download the repository Zip archive or clone locally using Mercurial.

It is also possible to export all your personal repositories from the account settings page.

Dependencies:   SB1602E mbed

Fork of TextLCD_SB1602E 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

            
            


okano

0:694061176edf


     1

/*





okano

0:694061176edf


     2

 *  LCD module "SB1602E" test application





okano

0:694061176edf


     3

 *





okano

0:694061176edf


     4

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





okano

0:694061176edf


     5

 *  The module by StrawberryLinux





okano

0:694061176edf


     6

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





okano

0:694061176edf


     7

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





okano

0:694061176edf


     8

 *





okano

0:694061176edf


     9

 *  Copyright (c) 2010 Tedd OKANO





okano

0:694061176edf


    10

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





okano

0:694061176edf


    11

 *





okano

0:694061176edf


    12

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





okano

0:694061176edf


    13

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





okano

0:694061176edf


    14

 *                              b. printf() test added





okano

0:694061176edf


    15

 *                              c. copyright notice added





okano

0:694061176edf


    16

 */





okano

0:694061176edf


    17







okano

0:694061176edf


    18

#include    "mbed.h"





okano

0:694061176edf


    19

#include    "TextLCD_SB1602E.h"





okano

0:694061176edf


    20







okano

0:694061176edf


    21

#define        TEST_LOOP                    1





okano

0:694061176edf


    22

#define        DEFAULT_TIME_INTERVAL        1.0





okano

0:694061176edf


    23

#define        DEFAULT_TIME_INTERVAL_PUTx   0.2





okano

0:694061176edf


    24







okano

0:694061176edf


    25

#define        CONTRAST_ADJUST_TEST





okano

0:694061176edf


    26

#define        PRINTF_TEST





okano

0:694061176edf


    27

#define        CGRAM_FUNCTION_TEST





okano

0:694061176edf


    28

#define        PUTS_TEST_WITH_ESCAPE





okano

0:694061176edf


    29

#define        PUTS_TEST_WITHOUT_ESCAPE





okano

0:694061176edf


    30

#define        PUTC_TEST





okano

0:694061176edf


    31







okano

0:694061176edf


    32







okano

0:694061176edf


    33

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





okano

0:694061176edf


    34

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





okano

0:694061176edf


    35

TextLCD_SB1602E    lcd( &i2c );





okano

0:694061176edf


    36







okano

0:694061176edf


    37

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





okano

0:694061176edf


    38

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





okano

0:694061176edf


    39

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





okano

0:694061176edf


    40

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





okano

0:694061176edf


    41

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





okano

0:694061176edf


    42

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





okano

0:694061176edf


    43

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





okano

0:694061176edf


    44

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





okano

0:694061176edf


    45

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





okano

0:694061176edf


    46

};





okano

0:694061176edf


    47







okano

0:694061176edf


    48

void lcd_test( void );





okano

0:694061176edf


    49

void set_lines_fixed_value( char line, char value );





okano

0:694061176edf


    50

void block_pattaern( char direction, char polarity );





okano

0:694061176edf


    51







okano

0:694061176edf


    52







okano

0:694061176edf


    53

int main() {





okano

0:694061176edf


    54

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





okano

0:694061176edf


    55







okano

0:694061176edf


    56

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





okano

0:694061176edf


    57

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





okano

0:694061176edf


    58

        wait( 1.0 );





okano

0:694061176edf


    59

    }





okano

0:694061176edf


    60







okano

0:694061176edf


    61

    do {





okano

0:694061176edf


    62

        lcd_test();





okano

0:694061176edf


    63

    } while ( TEST_LOOP );





okano

0:694061176edf


    64

}





okano

0:694061176edf


    65







okano

0:694061176edf


    66

void lcd_test( void ) {





okano

0:694061176edf


    67

    char    s[ 18 ];





okano

0:694061176edf


    68

    int        i;





okano

0:694061176edf


    69







okano

0:694061176edf


    70

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





okano

0:694061176edf


    71

    lcd.contrast( default_Contrast );





okano

0:694061176edf


    72







okano

0:694061176edf


    73

#ifdef CONTRAST_ADJUST_TEST





okano

0:694061176edf


    74

    pc.printf( "  CONTRAST_ADJUST_TEST\n" );





okano

0:694061176edf


    75

    lcd.clear();





okano

0:694061176edf


    76

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





okano

0:694061176edf


    77

    wait( DEFAULT_TIME_INTERVAL );





okano

0:694061176edf


    78







okano

0:694061176edf


    79

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





okano

0:694061176edf


    80







okano

0:694061176edf


    81

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





okano

0:694061176edf


    82

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





okano

0:694061176edf


    83







okano

0:694061176edf


    84

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





okano

0:694061176edf


    85

            lcd.contrast( i );





okano

0:694061176edf


    86

            wait ( 0.02 );





okano

0:694061176edf


    87

        }





okano

0:694061176edf


    88







okano

0:694061176edf


    89

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





okano

0:694061176edf


    90

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





okano

0:694061176edf


    91

            lcd.puts( 1, s );





okano

0:694061176edf


    92

            lcd.contrast( i );





okano

0:694061176edf


    93

            wait ( 0.02 );





okano

0:694061176edf


    94

        }





okano

0:694061176edf


    95







okano

0:694061176edf


    96

    }





okano

0:694061176edf


    97







okano

0:694061176edf


    98

    lcd.contrast( default_Contrast );





okano

0:694061176edf


    99







okano

0:694061176edf


   100

#endif





okano

0:694061176edf


   101

#ifdef PRINTF_TEST





okano

0:694061176edf


   102







okano

0:694061176edf


   103

    pc.printf( "  PRINTF_TEST\n" );





okano

0:694061176edf


   104

    lcd.clear();





okano

0:694061176edf


   105

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





okano

0:694061176edf


   106

    wait( DEFAULT_TIME_INTERVAL );





okano

0:694061176edf


   107







okano

0:694061176edf


   108

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





okano

0:694061176edf


   109

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





okano

0:694061176edf


   110

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





okano

0:694061176edf


   111

        wait ( 0.1 );





okano

0:694061176edf


   112

    }





okano

0:694061176edf


   113







okano

0:694061176edf


   114

#endif





okano

0:694061176edf


   115

#ifdef CGRAM_FUNCTION_TEST





okano

0:694061176edf


   116

    pc.printf( "  CGRAM_FUNCTION_TEST\n" );





okano

0:694061176edf


   117

    lcd.clear();





okano

0:694061176edf


   118

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





okano

0:694061176edf


   119

    wait( DEFAULT_TIME_INTERVAL );





okano

0:694061176edf


   120







okano

0:694061176edf


   121

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





okano

0:694061176edf


   122

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





okano

0:694061176edf


   123







okano

0:694061176edf


   124

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





okano

0:694061176edf


   125

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





okano

0:694061176edf


   126







okano

0:694061176edf


   127

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





okano

0:694061176edf


   128

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





okano

0:694061176edf


   129







okano

0:694061176edf


   130

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





okano

0:694061176edf


   131

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





okano

0:694061176edf


   132







okano

0:694061176edf


   133

    wait( DEFAULT_TIME_INTERVAL );





okano

0:694061176edf


   134

    lcd.clear();





okano

0:694061176edf


   135

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





okano

0:694061176edf


   136







okano

0:694061176edf


   137

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





okano

0:694061176edf


   138

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





okano

0:694061176edf


   139

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





okano

0:694061176edf


   140

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





okano

0:694061176edf


   141

    set_lines_fixed_value( 0, 1 );





okano

0:694061176edf


   142

    set_lines_fixed_value( 1, 0 );





okano

0:694061176edf


   143







okano

0:694061176edf


   144

    block_pattaern( 0, 0 );





okano

0:694061176edf


   145

    block_pattaern( 0, 1 );





okano

0:694061176edf


   146

    block_pattaern( 1, 0 );





okano

0:694061176edf


   147

    block_pattaern( 1, 1 );





okano

0:694061176edf


   148







okano

0:694061176edf


   149







okano

0:694061176edf


   150

#endif





okano

0:694061176edf


   151

#ifdef PUTS_TEST_WITH_ESCAPE





okano

0:694061176edf


   152

    pc.printf( "  PUTS_TEST_WITH_ESCAPE\n" );





okano

0:694061176edf


   153

    lcd.clear();





okano

0:694061176edf


   154

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





okano

0:694061176edf


   155

    wait( DEFAULT_TIME_INTERVAL );





okano

0:694061176edf


   156







okano

0:694061176edf


   157

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





okano

0:694061176edf


   158

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





okano

0:694061176edf


   159

    wait( DEFAULT_TIME_INTERVAL );





okano

0:694061176edf


   160

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





okano

0:694061176edf


   161

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





okano

0:694061176edf


   162

    wait( DEFAULT_TIME_INTERVAL );





okano

0:694061176edf


   163

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





okano

0:694061176edf


   164

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





okano

0:694061176edf


   165

    wait( DEFAULT_TIME_INTERVAL );





okano

0:694061176edf


   166







okano

0:694061176edf


   167

#endif





okano

0:694061176edf


   168

#ifdef PUTS_TEST_WITHOUT_ESCAPE





okano

0:694061176edf


   169

    pc.printf( "  PUTS_TEST_WITHOUT_ESCAPE\n" );





okano

0:694061176edf


   170

    lcd.clear();





okano

0:694061176edf


   171

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





okano

0:694061176edf


   172

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





okano

0:694061176edf


   173

    wait( DEFAULT_TIME_INTERVAL );





okano

0:694061176edf


   174







okano

0:694061176edf


   175

    lcd.puts( 0, "0" );





okano

0:694061176edf


   176

    lcd.puts( 1, "ABC" );





okano

0:694061176edf


   177

    wait( DEFAULT_TIME_INTERVAL_PUTx );





okano

0:694061176edf


   178

    lcd.puts( 0, "1" );





okano

0:694061176edf


   179

    lcd.puts( 1, "DEF" );





okano

0:694061176edf


   180

    wait( DEFAULT_TIME_INTERVAL_PUTx );





okano

0:694061176edf


   181

    lcd.puts( 0, "2" );





okano

0:694061176edf


   182

    lcd.puts( 1, "GHI" );





okano

0:694061176edf


   183

    wait( DEFAULT_TIME_INTERVAL_PUTx );





okano

0:694061176edf


   184

    lcd.puts( 0, "3" );





okano

0:694061176edf


   185

    lcd.puts( 1, "JKL" );





okano

0:694061176edf


   186

    wait( DEFAULT_TIME_INTERVAL_PUTx );





okano

0:694061176edf


   187

    lcd.puts( 0, "4" );





okano

0:694061176edf


   188

    lcd.puts( 1, "MNO" );





okano

0:694061176edf


   189

    wait( DEFAULT_TIME_INTERVAL_PUTx );





okano

0:694061176edf


   190

    lcd.puts( 0, "5" );





okano

0:694061176edf


   191

    lcd.puts( 1, "PQR" );





okano

0:694061176edf


   192

    wait( DEFAULT_TIME_INTERVAL_PUTx );





okano

0:694061176edf


   193

    lcd.puts( 0, "6" );





okano

0:694061176edf


   194

    wait( DEFAULT_TIME_INTERVAL_PUTx );





okano

0:694061176edf


   195

    lcd.puts( 0, "7" );





okano

0:694061176edf


   196

    wait( DEFAULT_TIME_INTERVAL_PUTx );





okano

0:694061176edf


   197

    lcd.puts( 0, "8" );





okano

0:694061176edf


   198

    wait( DEFAULT_TIME_INTERVAL_PUTx );





okano

0:694061176edf


   199

    lcd.puts( 0, "9" );





okano

0:694061176edf


   200

    wait( DEFAULT_TIME_INTERVAL_PUTx );





okano

0:694061176edf


   201

    lcd.puts( 0, "A" );





okano

0:694061176edf


   202

    wait( DEFAULT_TIME_INTERVAL_PUTx );





okano

0:694061176edf


   203

    lcd.puts( 0, "B" );





okano

0:694061176edf


   204

    wait( DEFAULT_TIME_INTERVAL_PUTx );





okano

0:694061176edf


   205

    lcd.puts( 0, "C" );





okano

0:694061176edf


   206

    wait( DEFAULT_TIME_INTERVAL_PUTx );





okano

0:694061176edf


   207

    lcd.puts( 0, "D" );





okano

0:694061176edf


   208

    wait( DEFAULT_TIME_INTERVAL_PUTx );





okano

0:694061176edf


   209

    lcd.puts( 0, "E" );





okano

0:694061176edf


   210

    wait( DEFAULT_TIME_INTERVAL_PUTx );





okano

0:694061176edf


   211

    lcd.puts( 0, "F" );





okano

0:694061176edf


   212

    wait( DEFAULT_TIME_INTERVAL_PUTx );





okano

0:694061176edf


   213







okano

0:694061176edf


   214

#endif





okano

0:694061176edf


   215

#ifdef PUTC_TEST





okano

0:694061176edf


   216

    pc.printf( "  PUTC_TEST\n" );





okano

0:694061176edf


   217

    lcd.clear();





okano

0:694061176edf


   218

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





okano

0:694061176edf


   219

    wait( DEFAULT_TIME_INTERVAL );





okano

0:694061176edf


   220







okano

0:694061176edf


   221

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





okano

0:694061176edf


   222

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





okano

0:694061176edf


   223

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





okano

0:694061176edf


   224

        wait( DEFAULT_TIME_INTERVAL_PUTx );





okano

0:694061176edf


   225

    }





okano

0:694061176edf


   226

#endif





okano

0:694061176edf


   227

}





okano

0:694061176edf


   228







okano

0:694061176edf


   229

void set_lines_fixed_value( char line, char value ) {





okano

0:694061176edf


   230

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





okano

0:694061176edf


   231

        lcd.putc( line, value );





okano

0:694061176edf


   232







okano

0:694061176edf


   233

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





okano

0:694061176edf


   234

}





okano

0:694061176edf


   235







okano

0:694061176edf


   236







okano

0:694061176edf


   237

void block_pattaern( char direction, char polarity ) {





okano

0:694061176edf


   238

    char    c[ 8 ];





okano

0:694061176edf


   239







okano

0:694061176edf


   240

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





okano

0:694061176edf


   241

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





okano

0:694061176edf


   242

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





okano

0:694061176edf


   243

                if ( j <= i )





okano

0:694061176edf


   244

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





okano

0:694061176edf


   245

                else





okano

0:694061176edf


   246

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





okano

0:694061176edf


   247

            }





okano

0:694061176edf


   248







okano

0:694061176edf


   249

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





okano

0:694061176edf


   250

            wait( 0.05 );





okano

0:694061176edf


   251

        }





okano

0:694061176edf


   252

    }





okano

0:694061176edf


   253

}