keniti akiba / SMALL_SSD1308_128x64_I2C

set32l010 oled

Dependents:   oled_test8_16x24_010_1

SSD1308.cpp@0:e65e15783b26, 2022-08-05 (annotated)

Committer:
caa45040
Date:
Fri Aug 05 10:30:55 2022 +0000
Revision:
0:e65e15783b26
Child:
1:ad63de2ea3ff
stm32l010 oled reset_ta_i_sa_ku

Who changed what in which revision?

UserRevisionLine numberNew contents of line
caa45040 0:e65e15783b26 1
caa45040 0:e65e15783b26 2 #include "mbed.h"
caa45040 0:e65e15783b26 3 #include "SSD1308.h"
caa45040 0:e65e15783b26 4
caa45040 0:e65e15783b26 5 //#include "font_8x8.h"
caa45040 0:e65e15783b26 6 #include "font_16x24.h"
caa45040 0:e65e15783b26 7
caa45040 0:e65e15783b26 8
caa45040 0:e65e15783b26 9 //i2c initialization
caa45040 0:e65e15783b26 10 //I2C i2c(I2C_SDA, I2C_SCL); //767
caa45040 0:e65e15783b26 11 //I2C i2c(PA_10, PA_9); //010
caa45040 0:e65e15783b26 12
caa45040 0:e65e15783b26 13
caa45040 0:e65e15783b26 14 //void fff(char *str1)
caa45040 0:e65e15783b26 15 //{
caa45040 0:e65e15783b26 16 // printf(str1);//debug
caa45040 0:e65e15783b26 17 //}
caa45040 0:e65e15783b26 18
caa45040 0:e65e15783b26 19
caa45040 0:e65e15783b26 20
caa45040 0:e65e15783b26 21 /**
caa45040 0:e65e15783b26 22 *@brief Constructor
caa45040 0:e65e15783b26 23 *@param I2C *i2c reference to i2c
caa45040 0:e65e15783b26 24 *@param uint8_t deviceAddress slaveaddress
caa45040 0:e65e15783b26 25 */
caa45040 0:e65e15783b26 26 //SSD1308::SSD1308(I2C *i2c, uint8_t deviceAddress) : _i2c(i2c) {
caa45040 0:e65e15783b26 27 SSD1308::SSD1308( I2C *i2c ,uint8_t deviceAddress) {
caa45040 0:e65e15783b26 28
caa45040 0:e65e15783b26 29 _i2c = i2c;
caa45040 0:e65e15783b26 30
caa45040 0:e65e15783b26 31 _writeOpcode = deviceAddress & 0xFE; // low order bit = 0 for write
caa45040 0:e65e15783b26 32 _readOpcode = deviceAddress | 0x01; // low order bit = 1 for read
caa45040 0:e65e15783b26 33
caa45040 0:e65e15783b26 34 initialize();
caa45040 0:e65e15783b26 35 }//SSD1308
caa45040 0:e65e15783b26 36
caa45040 0:e65e15783b26 37 //イニシャライズ
caa45040 0:e65e15783b26 38 void SSD1308::initialize()
caa45040 0:e65e15783b26 39 {
caa45040 0:e65e15783b26 40
caa45040 0:e65e15783b26 41 //fff("initialize\r\n");//debug
caa45040 0:e65e15783b26 42
caa45040 0:e65e15783b26 43 //リセット対策
caa45040 0:e65e15783b26 44 wait_ms(100);
caa45040 0:e65e15783b26 45 _i2c->write(_writeOpcode, "\200\215\200\024\200\257", 6);
caa45040 0:e65e15783b26 46 wait_ms(100);
caa45040 0:e65e15783b26 47 _i2c->write(_writeOpcode, "\200\215\200\024\200\257", 6);
caa45040 0:e65e15783b26 48 wait_ms(100);
caa45040 0:e65e15783b26 49 _i2c->write(_writeOpcode, "\200\215\200\024\200\257", 6);
caa45040 0:e65e15783b26 50 wait_ms(100);
caa45040 0:e65e15783b26 51
caa45040 0:e65e15783b26 52
caa45040 0:e65e15783b26 53
caa45040 0:e65e15783b26 54 setHorizontalAddressingMode(); //メモリーアクセスモード
caa45040 0:e65e15783b26 55
caa45040 0:e65e15783b26 56 clearDisplay();
caa45040 0:e65e15783b26 57
caa45040 0:e65e15783b26 58 //setInverted(false); //反転
caa45040 0:e65e15783b26 59
caa45040 0:e65e15783b26 60 setDisplayOn();
caa45040 0:e65e15783b26 61
caa45040 0:e65e15783b26 62 //fff("\r\n");
caa45040 0:e65e15783b26 63
caa45040 0:e65e15783b26 64 //charge pump add=>ca45040
caa45040 0:e65e15783b26 65 _i2c->write(_writeOpcode, "\200\215\200\024", 4); //0x80,0x8d,0x80,0x14
caa45040 0:e65e15783b26 66 //set access
caa45040 0:e65e15783b26 67 //setDisplayFlip(false, false);
caa45040 0:e65e15783b26 68
caa45040 0:e65e15783b26 69
caa45040 0:e65e15783b26 70
caa45040 0:e65e15783b26 71 }//initialize
caa45040 0:e65e15783b26 72
caa45040 0:e65e15783b26 73 //クリアディスプレー
caa45040 0:e65e15783b26 74 void SSD1308::clearDisplay()
caa45040 0:e65e15783b26 75 {
caa45040 0:e65e15783b26 76
caa45040 0:e65e15783b26 77 //fff("clearDisplay\r\n");//debug
caa45040 0:e65e15783b26 78
caa45040 0:e65e15783b26 79 //setDisplayOff();
caa45040 0:e65e15783b26 80 setPageAddress(0, MAX_PAGE); // all pages
caa45040 0:e65e15783b26 81 setColumnAddress(0, MAX_COL); // all columns
caa45040 0:e65e15783b26 82
caa45040 0:e65e15783b26 83 /*
caa45040 0:e65e15783b26 84 for (uint8_t page = 0; page < PAGES; page++) {
caa45040 0:e65e15783b26 85 for (uint8_t col = 0; col < COLUMNS; col++) {
caa45040 0:e65e15783b26 86 _sendData(0x00);
caa45040 0:e65e15783b26 87 }
caa45040 0:e65e15783b26 88 }
caa45040 0:e65e15783b26 89 */
caa45040 0:e65e15783b26 90
caa45040 0:e65e15783b26 91 //128*64/8=1024
caa45040 0:e65e15783b26 92 char databytes[2] = { DATA_MODE, 0x00 };
caa45040 0:e65e15783b26 93 for (int icount = 0; icount < 1024; icount++) {
caa45040 0:e65e15783b26 94 //_sendData(0x00);
caa45040 0:e65e15783b26 95
caa45040 0:e65e15783b26 96 _i2c->write(_writeOpcode, databytes, 2);
caa45040 0:e65e15783b26 97
caa45040 0:e65e15783b26 98 }
caa45040 0:e65e15783b26 99
caa45040 0:e65e15783b26 100 //setDisplayOn();
caa45040 0:e65e15783b26 101 }//clearDisplay
caa45040 0:e65e15783b26 102
caa45040 0:e65e15783b26 103 //ライトビットマップ
caa45040 0:e65e15783b26 104 void SSD1308::writeBitmap(uint8_t* data,
caa45040 0:e65e15783b26 105 uint8_t start_page, uint8_t end_page,
caa45040 0:e65e15783b26 106 uint8_t start_col, uint8_t end_col)
caa45040 0:e65e15783b26 107 {
caa45040 0:e65e15783b26 108
caa45040 0:e65e15783b26 109 //fff(" writeBitmap\r\n");//debug
caa45040 0:e65e15783b26 110
caa45040 0:e65e15783b26 111 int count = (end_page - start_page + 1) * (end_col - start_col + 1);
caa45040 0:e65e15783b26 112
caa45040 0:e65e15783b26 113 //setDisplayOff();
caa45040 0:e65e15783b26 114 setPageAddress(start_page, end_page); // set page window
caa45040 0:e65e15783b26 115 setColumnAddress(start_col, end_col); // set column window
caa45040 0:e65e15783b26 116
caa45040 0:e65e15783b26 117
caa45040 0:e65e15783b26 118
caa45040 0:e65e15783b26 119 char databytes[2] = { DATA_MODE, 0 };
caa45040 0:e65e15783b26 120 for (int i=0; i<count; i++) {
caa45040 0:e65e15783b26 121 //_sendData(data[i]); // Write Data
caa45040 0:e65e15783b26 122
caa45040 0:e65e15783b26 123 databytes[1] = data[i];
caa45040 0:e65e15783b26 124 _i2c->write(_writeOpcode, databytes, 2);
caa45040 0:e65e15783b26 125
caa45040 0:e65e15783b26 126 }
caa45040 0:e65e15783b26 127
caa45040 0:e65e15783b26 128
caa45040 0:e65e15783b26 129 //setDisplayOn();
caa45040 0:e65e15783b26 130 }//writeBitmap
caa45040 0:e65e15783b26 131
caa45040 0:e65e15783b26 132
caa45040 0:e65e15783b26 133 //ライトビッグキャラ
caa45040 0:e65e15783b26 134 void SSD1308::writeBigChar(uint8_t row, uint8_t col, char chr)
caa45040 0:e65e15783b26 135 {
caa45040 0:e65e15783b26 136
caa45040 0:e65e15783b26 137 //fff("writeBigChar\r\n");//debug
caa45040 0:e65e15783b26 138
caa45040 0:e65e15783b26 139
caa45040 0:e65e15783b26 140 writeBitmap((uint8_t*) font_16x24[int(chr) - FONT16x24_START],
caa45040 0:e65e15783b26 141 row, (row + FONT16x24_BYTES - 1),
caa45040 0:e65e15783b26 142 col, (col + FONT16x24_WIDTH - 1));
caa45040 0:e65e15783b26 143
caa45040 0:e65e15783b26 144
caa45040 0:e65e15783b26 145 }//writeBigChar
caa45040 0:e65e15783b26 146
caa45040 0:e65e15783b26 147
caa45040 0:e65e15783b26 148 /*
caa45040 0:e65e15783b26 149 //センドコマンド コマンドx1
caa45040 0:e65e15783b26 150 void SSD1308::_sendCommand(uint8_t command)
caa45040 0:e65e15783b26 151 {
caa45040 0:e65e15783b26 152 char databytes[2] = { COMMAND_MODE, command };
caa45040 0:e65e15783b26 153 i2c.write(_writeOpcode,databytes, 2);
caa45040 0:e65e15783b26 154 //_i2c.write(_writeOpcode, databytes, 2); // Write command
caa45040 0:e65e15783b26 155 }//
caa45040 0:e65e15783b26 156 */
caa45040 0:e65e15783b26 157
caa45040 0:e65e15783b26 158
caa45040 0:e65e15783b26 159
caa45040 0:e65e15783b26 160 /*
caa45040 0:e65e15783b26 161 //センドコマンド コマンドx1 パラメーターx1
caa45040 0:e65e15783b26 162 void SSD1308::_sendCommand(uint8_t command, uint8_t param1)
caa45040 0:e65e15783b26 163 {
caa45040 0:e65e15783b26 164 char databytes[4] = { COMMAND_MODE, command, COMMAND_MODE, param1 };
caa45040 0:e65e15783b26 165
caa45040 0:e65e15783b26 166 i2c.write(_writeOpcode, databytes, 4);
caa45040 0:e65e15783b26 167 //_i2c.write(_writeOpcode, databytes, 4); // Write command
caa45040 0:e65e15783b26 168
caa45040 0:e65e15783b26 169 }//
caa45040 0:e65e15783b26 170 */
caa45040 0:e65e15783b26 171
caa45040 0:e65e15783b26 172 /*
caa45040 0:e65e15783b26 173 //センドコマンド コマンドx1 パラメーターx2
caa45040 0:e65e15783b26 174 void SSD1308::_sendCommand(uint8_t command, uint8_t param1, uint8_t param2)
caa45040 0:e65e15783b26 175 {
caa45040 0:e65e15783b26 176 char databytes[6] = { COMMAND_MODE, command, COMMAND_MODE, param1, COMMAND_MODE, param2 };
caa45040 0:e65e15783b26 177 i2c.write(_writeOpcode, databytes, 6);
caa45040 0:e65e15783b26 178 //_i2c.write(_writeOpcode, databytes, 6); // Write command
caa45040 0:e65e15783b26 179
caa45040 0:e65e15783b26 180 }//
caa45040 0:e65e15783b26 181 */
caa45040 0:e65e15783b26 182
caa45040 0:e65e15783b26 183 /*
caa45040 0:e65e15783b26 184 //センドコマンド コマンドx1 パラメーターx5
caa45040 0:e65e15783b26 185 void SSD1308::_sendCommand(uint8_t command, uint8_t param1, uint8_t param2,
caa45040 0:e65e15783b26 186 uint8_t param3, uint8_t param4,
caa45040 0:e65e15783b26 187 uint8_t param5)
caa45040 0:e65e15783b26 188 {
caa45040 0:e65e15783b26 189 char databytes[12] = { COMMAND_MODE, command, COMMAND_MODE, param1, COMMAND_MODE, param2,
caa45040 0:e65e15783b26 190 COMMAND_MODE, param3, COMMAND_MODE, param4, COMMAND_MODE, param5 };
caa45040 0:e65e15783b26 191 i2c.write(_writeOpcode, databytes, 12);
caa45040 0:e65e15783b26 192 //_i2c.write(_writeOpcode, databytes, 12); // Write command
caa45040 0:e65e15783b26 193 }//
caa45040 0:e65e15783b26 194 */
caa45040 0:e65e15783b26 195
caa45040 0:e65e15783b26 196 /*
caa45040 0:e65e15783b26 197 //センドコマンド コマンドx1 パラメーターx6
caa45040 0:e65e15783b26 198 void SSD1308::_sendCommand(uint8_t command, uint8_t param1, uint8_t param2,
caa45040 0:e65e15783b26 199 uint8_t param3, uint8_t param4,
caa45040 0:e65e15783b26 200 uint8_t param5, uint8_t param6)
caa45040 0:e65e15783b26 201 {
caa45040 0:e65e15783b26 202 char databytes[14] = { COMMAND_MODE, command, COMMAND_MODE, param1, COMMAND_MODE, param2,
caa45040 0:e65e15783b26 203 COMMAND_MODE, param3, COMMAND_MODE, param4, COMMAND_MODE, param5, COMMAND_MODE, param6 };
caa45040 0:e65e15783b26 204 i2c.write(_writeOpcode, databytes, 14);
caa45040 0:e65e15783b26 205 //_i2c.write(_writeOpcode, databytes, 14); // Write command
caa45040 0:e65e15783b26 206
caa45040 0:e65e15783b26 207 }//
caa45040 0:e65e15783b26 208 */
caa45040 0:e65e15783b26 209
caa45040 0:e65e15783b26 210 /*
caa45040 0:e65e15783b26 211 //センドデータ コマンドx1
caa45040 0:e65e15783b26 212 void SSD1308::_sendData(uint8_t data)
caa45040 0:e65e15783b26 213 {
caa45040 0:e65e15783b26 214 char databytes[2] = { DATA_MODE, data };
caa45040 0:e65e15783b26 215 i2c.write(_writeOpcode, databytes, 2);
caa45040 0:e65e15783b26 216 //_i2c.write(_writeOpcode, databytes, 2); // Write Data
caa45040 0:e65e15783b26 217 }//
caa45040 0:e65e15783b26 218 */
caa45040 0:e65e15783b26 219
caa45040 0:e65e15783b26 220 /*
caa45040 0:e65e15783b26 221 //センドデータ コマンドx1 データ
caa45040 0:e65e15783b26 222 void SSD1308::_sendData(uint8_t len, uint8_t* data)
caa45040 0:e65e15783b26 223 {
caa45040 0:e65e15783b26 224 for (int i=0; i<len ; i++) {
caa45040 0:e65e15783b26 225 _sendData(data[i]); // Write Data
caa45040 0:e65e15783b26 226 }
caa45040 0:e65e15783b26 227 }//_sendData
caa45040 0:e65e15783b26 228 */
caa45040 0:e65e15783b26 229
caa45040 0:e65e15783b26 230 //セット
caa45040 0:e65e15783b26 231 void SSD1308::setHorizontalAddressingMode()
caa45040 0:e65e15783b26 232 {
caa45040 0:e65e15783b26 233
caa45040 0:e65e15783b26 234 //fff("setHorizontalAddressingMode\r\n");//debug
caa45040 0:e65e15783b26 235
caa45040 0:e65e15783b26 236 setMemoryAddressingMode(HORIZONTAL_ADDRESSING_MODE);
caa45040 0:e65e15783b26 237 }//setHorizontalAddressingMode
caa45040 0:e65e15783b26 238
caa45040 0:e65e15783b26 239 //セットメモリーアドレシングモード
caa45040 0:e65e15783b26 240 void SSD1308::setMemoryAddressingMode(uint8_t mode)
caa45040 0:e65e15783b26 241 {
caa45040 0:e65e15783b26 242
caa45040 0:e65e15783b26 243 //fff("setMemoryAddressingMode\r\n");
caa45040 0:e65e15783b26 244
caa45040 0:e65e15783b26 245 //_sendCommand(SET_MEMORY_ADDRESSING_MODE, mode);
caa45040 0:e65e15783b26 246
caa45040 0:e65e15783b26 247
caa45040 0:e65e15783b26 248 char databytes[4] = { COMMAND_MODE, SET_MEMORY_ADDRESSING_MODE, COMMAND_MODE, mode };
caa45040 0:e65e15783b26 249
caa45040 0:e65e15783b26 250 _i2c->write(_writeOpcode, databytes, 4);
caa45040 0:e65e15783b26 251
caa45040 0:e65e15783b26 252
caa45040 0:e65e15783b26 253
caa45040 0:e65e15783b26 254 }//setMemoryAddressingMode
caa45040 0:e65e15783b26 255
caa45040 0:e65e15783b26 256 //セットページアドレス
caa45040 0:e65e15783b26 257 void SSD1308::setPageAddress(uint8_t start, uint8_t end)
caa45040 0:e65e15783b26 258 {
caa45040 0:e65e15783b26 259
caa45040 0:e65e15783b26 260 //fff("setPageAddress\r\n");
caa45040 0:e65e15783b26 261
caa45040 0:e65e15783b26 262 //_sendCommand(SET_PAGE_ADDRESS, start, end);
caa45040 0:e65e15783b26 263
caa45040 0:e65e15783b26 264 char databytes[6] = { COMMAND_MODE, SET_PAGE_ADDRESS, COMMAND_MODE, start, COMMAND_MODE, end };
caa45040 0:e65e15783b26 265 _i2c->write(_writeOpcode, databytes, 6);
caa45040 0:e65e15783b26 266
caa45040 0:e65e15783b26 267
caa45040 0:e65e15783b26 268
caa45040 0:e65e15783b26 269 }//setPageAddress
caa45040 0:e65e15783b26 270
caa45040 0:e65e15783b26 271 //セットカラムアクセス
caa45040 0:e65e15783b26 272 void SSD1308::setColumnAddress(uint8_t start, uint8_t end)
caa45040 0:e65e15783b26 273 {
caa45040 0:e65e15783b26 274
caa45040 0:e65e15783b26 275 //fff("setColumnAddress");
caa45040 0:e65e15783b26 276
caa45040 0:e65e15783b26 277 //_sendCommand(SET_COLUMN_ADDRESS, start, end);
caa45040 0:e65e15783b26 278
caa45040 0:e65e15783b26 279 char databytes[6] = { COMMAND_MODE, SET_COLUMN_ADDRESS, COMMAND_MODE, start, COMMAND_MODE, end };
caa45040 0:e65e15783b26 280 _i2c->write(_writeOpcode, databytes, 6);
caa45040 0:e65e15783b26 281
caa45040 0:e65e15783b26 282
caa45040 0:e65e15783b26 283 }//setColumnAddress
caa45040 0:e65e15783b26 284
caa45040 0:e65e15783b26 285 //セットディスプレーオン
caa45040 0:e65e15783b26 286 void SSD1308::setDisplayOn()
caa45040 0:e65e15783b26 287 {
caa45040 0:e65e15783b26 288
caa45040 0:e65e15783b26 289 //fff("setDisplayOn\r\n");//debug
caa45040 0:e65e15783b26 290
caa45040 0:e65e15783b26 291 //_sendCommand(SET_DISPLAY_POWER_ON);
caa45040 0:e65e15783b26 292
caa45040 0:e65e15783b26 293
caa45040 0:e65e15783b26 294 char databytes[2] = { COMMAND_MODE, SET_DISPLAY_POWER_ON };
caa45040 0:e65e15783b26 295 _i2c->write(_writeOpcode,databytes, 2);
caa45040 0:e65e15783b26 296
caa45040 0:e65e15783b26 297 }//setDisplayOn
caa45040 0:e65e15783b26 298
caa45040 0:e65e15783b26 299
caa45040 0:e65e15783b26 300 /*
caa45040 0:e65e15783b26 301 //セットディスプレーオフ
caa45040 0:e65e15783b26 302 void SSD1308::setDisplayOff()
caa45040 0:e65e15783b26 303 {
caa45040 0:e65e15783b26 304 _sendCommand(SET_DISPLAY_POWER_OFF);
caa45040 0:e65e15783b26 305 }//setDisplayOff
caa45040 0:e65e15783b26 306 */
caa45040 0:e65e15783b26 307
caa45040 0:e65e15783b26 308 /*
caa45040 0:e65e15783b26 309 //セットディスプレー Flip
caa45040 0:e65e15783b26 310 void SSD1308::setDisplayFlip(bool left, bool down)
caa45040 0:e65e15783b26 311 {
caa45040 0:e65e15783b26 312 if (left) {
caa45040 0:e65e15783b26 313 // column address 0 is mapped to SEG0 (Reset)
caa45040 0:e65e15783b26 314 _sendCommand(SET_SEGMENT_REMAP_0);
caa45040 0:e65e15783b26 315 } else {
caa45040 0:e65e15783b26 316 // column address 127 is mapped to SEG0
caa45040 0:e65e15783b26 317 _sendCommand(SET_SEGMENT_REMAP_127);
caa45040 0:e65e15783b26 318 }
caa45040 0:e65e15783b26 319
caa45040 0:e65e15783b26 320 if (down) {
caa45040 0:e65e15783b26 321 // Reset mode
caa45040 0:e65e15783b26 322 _sendCommand(SET_COMMON_REMAP_0);
caa45040 0:e65e15783b26 323 } else {
caa45040 0:e65e15783b26 324 // Flip Up/Down (Need to rewrite display before H effect shows)
caa45040 0:e65e15783b26 325 _sendCommand(SET_COMMON_REMAP_63);
caa45040 0:e65e15783b26 326 }
caa45040 0:e65e15783b26 327
caa45040 0:e65e15783b26 328 }//setDisplayFlip
caa45040 0:e65e15783b26 329 */