智也 大野 / Mbed 2 deprecated HeptaBattery

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hepta_sat/HeptaLcd.h@1:166ddf929155, 2016-12-13 (annotated)

Committer:
tomoya123
Date:
Tue Dec 13 06:37:27 2016 +0000
Revision:
1:166ddf929155
Parent:
0:d53e9c6fc771 
HeptaBattery

Who changed what in which revision?

UserRevisionLine numberNew contents of line
tomoya123 0:d53e9c6fc771 1 #ifndef MBED_HeptaLcd
tomoya123 0:d53e9c6fc771 2 #define MBED_HeptaLcd
tomoya123 0:d53e9c6fc771 3
tomoya123 0:d53e9c6fc771 4 #include <stdarg.h>
tomoya123 0:d53e9c6fc771 5 #include "mbed.h"
tomoya123 0:d53e9c6fc771 6 #include "I2cBusDevice.h"
tomoya123 0:d53e9c6fc771 7
tomoya123 0:d53e9c6fc771 8 // SB1602E IIC address
tomoya123 0:d53e9c6fc771 9
tomoya123 0:d53e9c6fc771 10 const char SB1602E_addr = 0x7C;
tomoya123 0:d53e9c6fc771 11
tomoya123 0:d53e9c6fc771 12 // SB1602E initialization command sequence
tomoya123 0:d53e9c6fc771 13
tomoya123 0:d53e9c6fc771 14 #ifdef INIT_VALUE_DATASHEET_ORIGINAL
tomoya123 0:d53e9c6fc771 15
tomoya123 0:d53e9c6fc771 16 const char Comm_FunctionSet_Normal = 0x38;
tomoya123 0:d53e9c6fc771 17 const char Comm_FunctionSet_Extended = 0x39;
tomoya123 0:d53e9c6fc771 18 const char Comm_InternalOscFrequency = 0x14;
tomoya123 0:d53e9c6fc771 19 const char Comm_ContrastSet = 0x78;
tomoya123 0:d53e9c6fc771 20 const char Comm_PwrIconContrast = 0x5E;
tomoya123 0:d53e9c6fc771 21 const char Comm_FollowerCtrl = 0x6A;
tomoya123 0:d53e9c6fc771 22 const char Comm_DisplayOnOff = 0x0C;
tomoya123 0:d53e9c6fc771 23 const char Comm_ClearDisplay = 0x01;
tomoya123 0:d53e9c6fc771 24 const char Comm_EntryModeSet = 0x06;
tomoya123 0:d53e9c6fc771 25
tomoya123 0:d53e9c6fc771 26 #else
tomoya123 0:d53e9c6fc771 27
tomoya123 0:d53e9c6fc771 28 const char Comm_FunctionSet_Normal = 0x38;
tomoya123 0:d53e9c6fc771 29 const char Comm_FunctionSet_Extended = 0x39;
tomoya123 0:d53e9c6fc771 30 const char Comm_InternalOscFrequency = 0x14;
tomoya123 0:d53e9c6fc771 31 const char Comm_ContrastSet = 0x70;
tomoya123 0:d53e9c6fc771 32 const char Comm_PwrIconContrast = 0x5C;
tomoya123 0:d53e9c6fc771 33 const char Comm_FollowerCtrl = 0x60;
tomoya123 0:d53e9c6fc771 34 const char Comm_DisplayOnOff = 0x0C;
tomoya123 0:d53e9c6fc771 35 const char Comm_ClearDisplay = 0x01;
tomoya123 0:d53e9c6fc771 36 const char Comm_EntryModeSet = 0x04;
tomoya123 0:d53e9c6fc771 37 const char Comm_ReturnHome = 0x02;
tomoya123 0:d53e9c6fc771 38
tomoya123 0:d53e9c6fc771 39 #endif
tomoya123 0:d53e9c6fc771 40
tomoya123 0:d53e9c6fc771 41 // SB1602E general commands
tomoya123 0:d53e9c6fc771 42
tomoya123 0:d53e9c6fc771 43 const char Comm_SetDDRAMAddress = 0x80;
tomoya123 0:d53e9c6fc771 44 const char DDRAMAddress_Ofst[] = { 0x00, 0x40 };
tomoya123 0:d53e9c6fc771 45
tomoya123 0:d53e9c6fc771 46 const char Comm_SetCGRAM = 0x40;
tomoya123 0:d53e9c6fc771 47
tomoya123 0:d53e9c6fc771 48 // SB1602E setting values
tomoya123 0:d53e9c6fc771 49
tomoya123 0:d53e9c6fc771 50 const char default_Contrast = 0x35;
tomoya123 0:d53e9c6fc771 51
tomoya123 0:d53e9c6fc771 52 const char COMMAND = 0x00;
tomoya123 0:d53e9c6fc771 53 const char DATA = 0x40;
tomoya123 0:d53e9c6fc771 54
tomoya123 0:d53e9c6fc771 55 const char MaxCharsInALine = 0x10; // buffer deoth for one line (no scroll function used)
tomoya123 0:d53e9c6fc771 56
tomoya123 0:d53e9c6fc771 57 const char init_seq0_length = 7;
tomoya123 0:d53e9c6fc771 58 const char init_seq0[ init_seq0_length ]
tomoya123 0:d53e9c6fc771 59 = {
tomoya123 0:d53e9c6fc771 60 Comm_FunctionSet_Normal,
tomoya123 0:d53e9c6fc771 61 Comm_ReturnHome, // This may be required to reset the scroll function
tomoya123 0:d53e9c6fc771 62 Comm_FunctionSet_Extended,
tomoya123 0:d53e9c6fc771 63 Comm_InternalOscFrequency,
tomoya123 0:d53e9c6fc771 64 Comm_ContrastSet | ( default_Contrast & 0xF),
tomoya123 0:d53e9c6fc771 65 Comm_PwrIconContrast | ((default_Contrast >> 4) & 0x3),
tomoya123 0:d53e9c6fc771 66 Comm_FollowerCtrl | 0x0A,
tomoya123 0:d53e9c6fc771 67
tomoya123 0:d53e9c6fc771 68 };
tomoya123 0:d53e9c6fc771 69 // required 30us interval
tomoya123 0:d53e9c6fc771 70
tomoya123 0:d53e9c6fc771 71 const char init_seq1_length = 3;
tomoya123 0:d53e9c6fc771 72 const char init_seq1[ init_seq1_length ]
tomoya123 0:d53e9c6fc771 73 = {
tomoya123 0:d53e9c6fc771 74 Comm_DisplayOnOff,
tomoya123 0:d53e9c6fc771 75 Comm_ClearDisplay,
tomoya123 0:d53e9c6fc771 76 Comm_EntryModeSet,
tomoya123 0:d53e9c6fc771 77 };
tomoya123 0:d53e9c6fc771 78 // required 30us, 2ms interval
tomoya123 0:d53e9c6fc771 79
tomoya123 0:d53e9c6fc771 80
tomoya123 0:d53e9c6fc771 81 class HeptaLcd : I2cBusDevice {
tomoya123 0:d53e9c6fc771 82 public:
tomoya123 0:d53e9c6fc771 83 I2C lcd;
tomoya123 0:d53e9c6fc771 84 int addr;
tomoya123 0:d53e9c6fc771 85 explicit HeptaLcd(PinName sda, PinName scl, char dev_address = SB1602E_addr, char *init_massage = " " ) : lcd(sda,scl),addr(dev_address),I2cBusDevice(&lcd, dev_address ) {
tomoya123 0:d53e9c6fc771 86 wait( 0.04 ); // interval after hardware reset
tomoya123 0:d53e9c6fc771 87
tomoya123 0:d53e9c6fc771 88 for ( int i = 0; i < init_seq0_length; i++ ) {
tomoya123 0:d53e9c6fc771 89 lcd_command( init_seq0[ i ] );
tomoya123 0:d53e9c6fc771 90 wait( 30e-6 );
tomoya123 0:d53e9c6fc771 91 }
tomoya123 0:d53e9c6fc771 92
tomoya123 0:d53e9c6fc771 93 wait( 0.2 );
tomoya123 0:d53e9c6fc771 94
tomoya123 0:d53e9c6fc771 95 for ( int i = 0; i < init_seq1_length; i++ ) {
tomoya123 0:d53e9c6fc771 96 lcd_command( init_seq1[ i ] );
tomoya123 0:d53e9c6fc771 97 wait( 2e-3 );
tomoya123 0:d53e9c6fc771 98 }
tomoya123 0:d53e9c6fc771 99
tomoya123 0:d53e9c6fc771 100 if ( init_massage )
tomoya123 0:d53e9c6fc771 101 puts( 0, init_massage );
tomoya123 0:d53e9c6fc771 102
tomoya123 0:d53e9c6fc771 103 set_CGRAM( 7, '\x1F' );
tomoya123 0:d53e9c6fc771 104
tomoya123 0:d53e9c6fc771 105 curs[ 0 ] = 0;
tomoya123 0:d53e9c6fc771 106 curs[ 1 ] = 0;
tomoya123 0:d53e9c6fc771 107 }
tomoya123 0:d53e9c6fc771 108
tomoya123 0:d53e9c6fc771 109
tomoya123 0:d53e9c6fc771 110 ~HeptaLcd() {
tomoya123 0:d53e9c6fc771 111 }
tomoya123 0:d53e9c6fc771 112
tomoya123 0:d53e9c6fc771 113 void clear( void ) {
tomoya123 0:d53e9c6fc771 114 lcd_command( Comm_ClearDisplay );
tomoya123 0:d53e9c6fc771 115 wait( 2e-3 );
tomoya123 0:d53e9c6fc771 116 curs[ 0 ] = 0;
tomoya123 0:d53e9c6fc771 117 curs[ 1 ] = 0;
tomoya123 0:d53e9c6fc771 118 }
tomoya123 0:d53e9c6fc771 119
tomoya123 0:d53e9c6fc771 120 void initilize(){
tomoya123 0:d53e9c6fc771 121 char *init_massage = " ";
tomoya123 0:d53e9c6fc771 122 for ( int i = 0; i < init_seq0_length; i++ ) {
tomoya123 0:d53e9c6fc771 123 lcd_command( init_seq0[ i ] );
tomoya123 0:d53e9c6fc771 124 wait( 30e-6 );
tomoya123 0:d53e9c6fc771 125 }
tomoya123 0:d53e9c6fc771 126
tomoya123 0:d53e9c6fc771 127 wait( 0.2 );
tomoya123 0:d53e9c6fc771 128
tomoya123 0:d53e9c6fc771 129 for ( int i = 0; i < init_seq1_length; i++ ) {
tomoya123 0:d53e9c6fc771 130 lcd_command( init_seq1[ i ] );
tomoya123 0:d53e9c6fc771 131 wait( 2e-3 );
tomoya123 0:d53e9c6fc771 132 }
tomoya123 0:d53e9c6fc771 133
tomoya123 0:d53e9c6fc771 134 if ( init_massage )
tomoya123 0:d53e9c6fc771 135 puts( 0, init_massage );
tomoya123 0:d53e9c6fc771 136
tomoya123 0:d53e9c6fc771 137 set_CGRAM( 7, '\x1F' );
tomoya123 0:d53e9c6fc771 138
tomoya123 0:d53e9c6fc771 139 curs[ 0 ] = 0;
tomoya123 0:d53e9c6fc771 140 curs[ 1 ] = 0;
tomoya123 0:d53e9c6fc771 141 }
tomoya123 0:d53e9c6fc771 142 void put_custom_char( char c_code, const char *cg, char x, char y ) {
tomoya123 0:d53e9c6fc771 143 for ( int i = 0; i < 5; i++ ) {
tomoya123 0:d53e9c6fc771 144 set_CGRAM( c_code, cg );
tomoya123 0:d53e9c6fc771 145 putcxy( c_code, x, y );
tomoya123 0:d53e9c6fc771 146 }
tomoya123 0:d53e9c6fc771 147 }
tomoya123 0:d53e9c6fc771 148
tomoya123 0:d53e9c6fc771 149 void contrast( char contrast ) {
tomoya123 0:d53e9c6fc771 150 lcd_command( Comm_FunctionSet_Extended );
tomoya123 0:d53e9c6fc771 151 lcd_command( Comm_ContrastSet | (contrast & 0x0f) );
tomoya123 0:d53e9c6fc771 152 lcd_command( Comm_PwrIconContrast | ((contrast>>4) & 0x03) );
tomoya123 0:d53e9c6fc771 153 lcd_command( Comm_FunctionSet_Normal );
tomoya123 0:d53e9c6fc771 154 }
tomoya123 0:d53e9c6fc771 155
tomoya123 0:d53e9c6fc771 156 void set_CGRAM( char char_code, const char* cg ) {
tomoya123 0:d53e9c6fc771 157 for ( int i = 0; i < 8; i++ ) {
tomoya123 0:d53e9c6fc771 158 lcd_command( (Comm_SetCGRAM | (char_code << 3) | i) );
tomoya123 0:d53e9c6fc771 159 lcd_data( *cg++ );
tomoya123 0:d53e9c6fc771 160 }
tomoya123 0:d53e9c6fc771 161 }
tomoya123 0:d53e9c6fc771 162
tomoya123 0:d53e9c6fc771 163 void set_CGRAM( char char_code, char v ) {
tomoya123 0:d53e9c6fc771 164 char c[ 8 ];
tomoya123 0:d53e9c6fc771 165
tomoya123 0:d53e9c6fc771 166 for ( int i = 0; i < 8; i++ )
tomoya123 0:d53e9c6fc771 167 c[ i ] = v;
tomoya123 0:d53e9c6fc771 168
tomoya123 0:d53e9c6fc771 169 set_CGRAM( char_code, c );
tomoya123 0:d53e9c6fc771 170 }
tomoya123 0:d53e9c6fc771 171
tomoya123 0:d53e9c6fc771 172 void putcxy( char c, char x, char y ) {
tomoya123 0:d53e9c6fc771 173 if ( (x >= MaxCharsInALine) || (y >= 2) )
tomoya123 0:d53e9c6fc771 174 return;
tomoya123 0:d53e9c6fc771 175
tomoya123 0:d53e9c6fc771 176 lcd_command( (Comm_SetDDRAMAddress | DDRAMAddress_Ofst[ y ]) + x );
tomoya123 0:d53e9c6fc771 177 lcd_data( c );
tomoya123 0:d53e9c6fc771 178 }
tomoya123 0:d53e9c6fc771 179
tomoya123 0:d53e9c6fc771 180 void putc( char line, char c ) {
tomoya123 0:d53e9c6fc771 181 if ( (c == '\n') || (c == '\r') ) {
tomoya123 0:d53e9c6fc771 182 clear_lest_of_line( line );
tomoya123 0:d53e9c6fc771 183 curs[ line ] = 0;
tomoya123 0:d53e9c6fc771 184 return;
tomoya123 0:d53e9c6fc771 185 }
tomoya123 0:d53e9c6fc771 186
tomoya123 0:d53e9c6fc771 187 putcxy( c, curs[ line ]++, line );
tomoya123 0:d53e9c6fc771 188 }
tomoya123 0:d53e9c6fc771 189
tomoya123 0:d53e9c6fc771 190 void puts( char line, char *s ) {
tomoya123 0:d53e9c6fc771 191 while ( char c = *s++ )
tomoya123 0:d53e9c6fc771 192 putc( line, c );
tomoya123 0:d53e9c6fc771 193 }
tomoya123 0:d53e9c6fc771 194
tomoya123 0:d53e9c6fc771 195 void printf( char line, char *format, ... ) {
tomoya123 0:d53e9c6fc771 196 char s[ 32 ];
tomoya123 0:d53e9c6fc771 197 va_list args;
tomoya123 0:d53e9c6fc771 198
tomoya123 0:d53e9c6fc771 199 va_start( args, format );
tomoya123 0:d53e9c6fc771 200 vsnprintf( s, 32, format, args );
tomoya123 0:d53e9c6fc771 201 va_end( args );
tomoya123 0:d53e9c6fc771 202
tomoya123 0:d53e9c6fc771 203 puts( line, s );
tomoya123 0:d53e9c6fc771 204 }
tomoya123 0:d53e9c6fc771 205
tomoya123 0:d53e9c6fc771 206 private:
tomoya123 0:d53e9c6fc771 207 char curs[2];
tomoya123 0:d53e9c6fc771 208
tomoya123 0:d53e9c6fc771 209 void clear_lest_of_line( char line ) {
tomoya123 0:d53e9c6fc771 210 for ( int i = curs[ line ]; i < MaxCharsInALine; i++ )
tomoya123 0:d53e9c6fc771 211 putcxy( ' ', i, line );
tomoya123 0:d53e9c6fc771 212 }
tomoya123 0:d53e9c6fc771 213
tomoya123 0:d53e9c6fc771 214 int lcd_write( char first, char second ) {
tomoya123 0:d53e9c6fc771 215 char cmd[2];
tomoya123 0:d53e9c6fc771 216
tomoya123 0:d53e9c6fc771 217 cmd[ 0 ] = first;
tomoya123 0:d53e9c6fc771 218 cmd[ 1 ] = second;
tomoya123 0:d53e9c6fc771 219
tomoya123 0:d53e9c6fc771 220 return ( write( cmd, 2 ) );
tomoya123 0:d53e9c6fc771 221
tomoya123 0:d53e9c6fc771 222 }
tomoya123 0:d53e9c6fc771 223
tomoya123 0:d53e9c6fc771 224 int lcd_command( char command ) {
tomoya123 0:d53e9c6fc771 225 return ( lcd_write( COMMAND, command ) );
tomoya123 0:d53e9c6fc771 226 }
tomoya123 0:d53e9c6fc771 227
tomoya123 0:d53e9c6fc771 228 int lcd_data( char data ) {
tomoya123 0:d53e9c6fc771 229 return ( lcd_write( DATA, data ) );
tomoya123 0:d53e9c6fc771 230 }
tomoya123 0:d53e9c6fc771 231 }
tomoya123 0:d53e9c6fc771 232 ;
tomoya123 0:d53e9c6fc771 233
tomoya123 0:d53e9c6fc771 234 #endif
tomoya123 0:d53e9c6fc771 235
tomoya123 0:d53e9c6fc771 236
tomoya123 0:d53e9c6fc771 237
tomoya123 0:d53e9c6fc771 238
tomoya123 0:d53e9c6fc771 239
tomoya123 0:d53e9c6fc771 240
tomoya123 0:d53e9c6fc771 241
tomoya123 0:d53e9c6fc771 242