keniti akiba / SSD1308_128x64_I2C

ssd1306 stm32l010

Dependents:   oled_test7_16x24_010_1 i2c_HT16K33_test1_767_3 HAL_oled_16x24_010_1

SSD1308.cpp@1:20e48680a5f8, 2022-08-04 (annotated)

Committer:
caa45040
Date:
Thu Aug 04 14:35:32 2022 +0000
Revision:
1:20e48680a5f8
Parent:
0:5d70351255d1 
stm32f767 oled hal

Who changed what in which revision?

UserRevisionLine numberNew contents of line
caa45040 0:5d70351255d1 1
caa45040 0:5d70351255d1 2 #include "mbed.h"
caa45040 0:5d70351255d1 3 #include "SSD1308.h"
caa45040 0:5d70351255d1 4
caa45040 0:5d70351255d1 5 //#include "font_8x8.h"
caa45040 0:5d70351255d1 6 #include "font_16x24.h"
caa45040 0:5d70351255d1 7
caa45040 0:5d70351255d1 8
caa45040 0:5d70351255d1 9 //i2c initialization
caa45040 0:5d70351255d1 10 //I2C i2c(I2C_SDA, I2C_SCL); //767
caa45040 1:20e48680a5f8 11 //I2C i2c(PA_10, PA_9); //010
caa45040 0:5d70351255d1 12
caa45040 0:5d70351255d1 13
caa45040 0:5d70351255d1 14 //void fff(char *str1)
caa45040 0:5d70351255d1 15 //{
caa45040 0:5d70351255d1 16 // printf(str1);//debug
caa45040 0:5d70351255d1 17 //}
caa45040 0:5d70351255d1 18
caa45040 0:5d70351255d1 19
caa45040 0:5d70351255d1 20
caa45040 0:5d70351255d1 21 /**
caa45040 0:5d70351255d1 22 *@brief Constructor
caa45040 0:5d70351255d1 23 *@param I2C *i2c reference to i2c
caa45040 0:5d70351255d1 24 *@param uint8_t deviceAddress slaveaddress
caa45040 0:5d70351255d1 25 */
caa45040 0:5d70351255d1 26 //SSD1308::SSD1308(I2C *i2c, uint8_t deviceAddress) : _i2c(i2c) {
caa45040 1:20e48680a5f8 27 //SSD1308::SSD1308( uint8_t deviceAddress) {
caa45040 1:20e48680a5f8 28 SSD1308::SSD1308( I2C_HandleTypeDef* hi2c , uint8_t deviceAddress ) {
caa45040 0:5d70351255d1 29
caa45040 1:20e48680a5f8 30 _hi2c = hi2c;
caa45040 0:5d70351255d1 31
caa45040 0:5d70351255d1 32 _writeOpcode = deviceAddress & 0xFE; // low order bit = 0 for write
caa45040 0:5d70351255d1 33 _readOpcode = deviceAddress | 0x01; // low order bit = 1 for read
caa45040 0:5d70351255d1 34
caa45040 0:5d70351255d1 35 initialize();
caa45040 0:5d70351255d1 36 }//SSD1308
caa45040 0:5d70351255d1 37
caa45040 0:5d70351255d1 38 //イニシャライズ
caa45040 0:5d70351255d1 39 void SSD1308::initialize()
caa45040 0:5d70351255d1 40 {
caa45040 0:5d70351255d1 41
caa45040 0:5d70351255d1 42 //fff("initialize\r\n");//debug
caa45040 0:5d70351255d1 43
caa45040 0:5d70351255d1 44 setHorizontalAddressingMode(); //メモリーアクセスモード
caa45040 0:5d70351255d1 45
caa45040 0:5d70351255d1 46 clearDisplay();
caa45040 0:5d70351255d1 47
caa45040 0:5d70351255d1 48 //setInverted(false); //反転
caa45040 0:5d70351255d1 49
caa45040 0:5d70351255d1 50 setDisplayOn();
caa45040 0:5d70351255d1 51
caa45040 0:5d70351255d1 52 //fff("\r\n");
caa45040 0:5d70351255d1 53
caa45040 0:5d70351255d1 54 //charge pump add=>ca45040
caa45040 1:20e48680a5f8 55 //i2c.write(SSD1308_SA0, "\200\215\200\024", 4); //0x80,0x8d,0x80,0x14
caa45040 1:20e48680a5f8 56 HAL_I2C_Master_Transmit( _hi2c , _writeOpcode , (uint8_t*)"\200\215\200\024", 4, 3000);
caa45040 0:5d70351255d1 57 //set access
caa45040 0:5d70351255d1 58 //setDisplayFlip(false, false);
caa45040 0:5d70351255d1 59
caa45040 0:5d70351255d1 60
caa45040 1:20e48680a5f8 61
caa45040 1:20e48680a5f8 62
caa45040 1:20e48680a5f8 63 // uint8_t buf[16];
caa45040 1:20e48680a5f8 64 //
caa45040 1:20e48680a5f8 65 //
caa45040 1:20e48680a5f8 66 // buf[0]=0;
caa45040 1:20e48680a5f8 67 // buf[1]= 0x55;
caa45040 1:20e48680a5f8 68 //
caa45040 1:20e48680a5f8 69 // HAL_I2C_Master_Transmit( _hi2c , _writeOpcode , buf, 2, 3000);
caa45040 1:20e48680a5f8 70 // wait_ms(600);
caa45040 1:20e48680a5f8 71 //
caa45040 1:20e48680a5f8 72 // buf[0]=0;
caa45040 1:20e48680a5f8 73 // buf[1]= 0xaa;
caa45040 1:20e48680a5f8 74 //
caa45040 1:20e48680a5f8 75 //
caa45040 1:20e48680a5f8 76 // HAL_I2C_Master_Transmit( _hi2c , _writeOpcode , buf, 2, 3000);
caa45040 1:20e48680a5f8 77 // wait_ms(600);
caa45040 1:20e48680a5f8 78
caa45040 1:20e48680a5f8 79
caa45040 1:20e48680a5f8 80
caa45040 1:20e48680a5f8 81
caa45040 1:20e48680a5f8 82
caa45040 0:5d70351255d1 83
caa45040 0:5d70351255d1 84 }//initialize
caa45040 0:5d70351255d1 85
caa45040 0:5d70351255d1 86 //クリアディスプレー
caa45040 0:5d70351255d1 87 void SSD1308::clearDisplay()
caa45040 0:5d70351255d1 88 {
caa45040 0:5d70351255d1 89
caa45040 0:5d70351255d1 90 //fff("clearDisplay\r\n");//debug
caa45040 0:5d70351255d1 91
caa45040 0:5d70351255d1 92 //setDisplayOff();
caa45040 0:5d70351255d1 93 setPageAddress(0, MAX_PAGE); // all pages
caa45040 0:5d70351255d1 94 setColumnAddress(0, MAX_COL); // all columns
caa45040 0:5d70351255d1 95
caa45040 0:5d70351255d1 96 /*
caa45040 0:5d70351255d1 97 for (uint8_t page = 0; page < PAGES; page++) {
caa45040 0:5d70351255d1 98 for (uint8_t col = 0; col < COLUMNS; col++) {
caa45040 0:5d70351255d1 99 _sendData(0x00);
caa45040 0:5d70351255d1 100 }
caa45040 0:5d70351255d1 101 }
caa45040 0:5d70351255d1 102 */
caa45040 0:5d70351255d1 103
caa45040 0:5d70351255d1 104 //128*64/8=1024
caa45040 1:20e48680a5f8 105 uint8_t databytes[2] = { DATA_MODE, 0x00 };
caa45040 0:5d70351255d1 106 for (int icount = 0; icount < 1024; icount++) {
caa45040 0:5d70351255d1 107 //_sendData(0x00);
caa45040 0:5d70351255d1 108
caa45040 1:20e48680a5f8 109 //i2c.write(_writeOpcode, databytes, 2);
caa45040 1:20e48680a5f8 110 HAL_I2C_Master_Transmit( _hi2c , _writeOpcode , databytes, 2, 3000);
caa45040 0:5d70351255d1 111 }
caa45040 0:5d70351255d1 112
caa45040 0:5d70351255d1 113 //setDisplayOn();
caa45040 0:5d70351255d1 114 }//clearDisplay
caa45040 0:5d70351255d1 115
caa45040 0:5d70351255d1 116 //ライトビットマップ
caa45040 0:5d70351255d1 117 void SSD1308::writeBitmap(uint8_t* data,
caa45040 0:5d70351255d1 118 uint8_t start_page, uint8_t end_page,
caa45040 0:5d70351255d1 119 uint8_t start_col, uint8_t end_col)
caa45040 0:5d70351255d1 120 {
caa45040 0:5d70351255d1 121
caa45040 0:5d70351255d1 122 //fff(" writeBitmap\r\n");//debug
caa45040 0:5d70351255d1 123
caa45040 0:5d70351255d1 124 int count = (end_page - start_page + 1) * (end_col - start_col + 1);
caa45040 0:5d70351255d1 125
caa45040 0:5d70351255d1 126 //setDisplayOff();
caa45040 0:5d70351255d1 127 setPageAddress(start_page, end_page); // set page window
caa45040 0:5d70351255d1 128 setColumnAddress(start_col, end_col); // set column window
caa45040 0:5d70351255d1 129
caa45040 0:5d70351255d1 130
caa45040 0:5d70351255d1 131
caa45040 1:20e48680a5f8 132 uint8_t databytes[2] = { DATA_MODE, 0 };
caa45040 0:5d70351255d1 133 for (int i=0; i<count; i++) {
caa45040 0:5d70351255d1 134 //_sendData(data[i]); // Write Data
caa45040 0:5d70351255d1 135
caa45040 0:5d70351255d1 136 databytes[1] = data[i];
caa45040 1:20e48680a5f8 137 //i2c.write(_writeOpcode, databytes, 2);
caa45040 1:20e48680a5f8 138 HAL_I2C_Master_Transmit( _hi2c , _writeOpcode , databytes , 2, 3000);
caa45040 0:5d70351255d1 139 }
caa45040 0:5d70351255d1 140
caa45040 0:5d70351255d1 141
caa45040 0:5d70351255d1 142 //setDisplayOn();
caa45040 0:5d70351255d1 143 }//writeBitmap
caa45040 0:5d70351255d1 144
caa45040 0:5d70351255d1 145
caa45040 0:5d70351255d1 146 //ライトビッグキャラ
caa45040 0:5d70351255d1 147 void SSD1308::writeBigChar(uint8_t row, uint8_t col, char chr)
caa45040 0:5d70351255d1 148 {
caa45040 0:5d70351255d1 149
caa45040 0:5d70351255d1 150 //fff("writeBigChar\r\n");//debug
caa45040 0:5d70351255d1 151
caa45040 0:5d70351255d1 152
caa45040 0:5d70351255d1 153 writeBitmap((uint8_t*) font_16x24[int(chr) - FONT16x24_START],
caa45040 0:5d70351255d1 154 row, (row + FONT16x24_BYTES - 1),
caa45040 0:5d70351255d1 155 col, (col + FONT16x24_WIDTH - 1));
caa45040 0:5d70351255d1 156
caa45040 0:5d70351255d1 157
caa45040 0:5d70351255d1 158 }//writeBigChar
caa45040 0:5d70351255d1 159
caa45040 0:5d70351255d1 160
caa45040 0:5d70351255d1 161 /*
caa45040 0:5d70351255d1 162 //センドコマンド コマンドx1
caa45040 0:5d70351255d1 163 void SSD1308::_sendCommand(uint8_t command)
caa45040 0:5d70351255d1 164 {
caa45040 0:5d70351255d1 165 char databytes[2] = { COMMAND_MODE, command };
caa45040 0:5d70351255d1 166 i2c.write(_writeOpcode,databytes, 2);
caa45040 0:5d70351255d1 167 //_i2c.write(_writeOpcode, databytes, 2); // Write command
caa45040 0:5d70351255d1 168 }//
caa45040 0:5d70351255d1 169 */
caa45040 0:5d70351255d1 170
caa45040 0:5d70351255d1 171
caa45040 0:5d70351255d1 172
caa45040 0:5d70351255d1 173 /*
caa45040 0:5d70351255d1 174 //センドコマンド コマンドx1 パラメーターx1
caa45040 0:5d70351255d1 175 void SSD1308::_sendCommand(uint8_t command, uint8_t param1)
caa45040 0:5d70351255d1 176 {
caa45040 0:5d70351255d1 177 char databytes[4] = { COMMAND_MODE, command, COMMAND_MODE, param1 };
caa45040 0:5d70351255d1 178
caa45040 0:5d70351255d1 179 i2c.write(_writeOpcode, databytes, 4);
caa45040 0:5d70351255d1 180 //_i2c.write(_writeOpcode, databytes, 4); // Write command
caa45040 0:5d70351255d1 181
caa45040 0:5d70351255d1 182 }//
caa45040 0:5d70351255d1 183 */
caa45040 0:5d70351255d1 184
caa45040 0:5d70351255d1 185 /*
caa45040 0:5d70351255d1 186 //センドコマンド コマンドx1 パラメーターx2
caa45040 0:5d70351255d1 187 void SSD1308::_sendCommand(uint8_t command, uint8_t param1, uint8_t param2)
caa45040 0:5d70351255d1 188 {
caa45040 0:5d70351255d1 189 char databytes[6] = { COMMAND_MODE, command, COMMAND_MODE, param1, COMMAND_MODE, param2 };
caa45040 0:5d70351255d1 190 i2c.write(_writeOpcode, databytes, 6);
caa45040 0:5d70351255d1 191 //_i2c.write(_writeOpcode, databytes, 6); // Write command
caa45040 0:5d70351255d1 192
caa45040 0:5d70351255d1 193 }//
caa45040 0:5d70351255d1 194 */
caa45040 0:5d70351255d1 195
caa45040 0:5d70351255d1 196 /*
caa45040 0:5d70351255d1 197 //センドコマンド コマンドx1 パラメーターx5
caa45040 0:5d70351255d1 198 void SSD1308::_sendCommand(uint8_t command, uint8_t param1, uint8_t param2,
caa45040 0:5d70351255d1 199 uint8_t param3, uint8_t param4,
caa45040 0:5d70351255d1 200 uint8_t param5)
caa45040 0:5d70351255d1 201 {
caa45040 0:5d70351255d1 202 char databytes[12] = { COMMAND_MODE, command, COMMAND_MODE, param1, COMMAND_MODE, param2,
caa45040 0:5d70351255d1 203 COMMAND_MODE, param3, COMMAND_MODE, param4, COMMAND_MODE, param5 };
caa45040 0:5d70351255d1 204 i2c.write(_writeOpcode, databytes, 12);
caa45040 0:5d70351255d1 205 //_i2c.write(_writeOpcode, databytes, 12); // Write command
caa45040 0:5d70351255d1 206 }//
caa45040 0:5d70351255d1 207 */
caa45040 0:5d70351255d1 208
caa45040 0:5d70351255d1 209 /*
caa45040 0:5d70351255d1 210 //センドコマンド コマンドx1 パラメーターx6
caa45040 0:5d70351255d1 211 void SSD1308::_sendCommand(uint8_t command, uint8_t param1, uint8_t param2,
caa45040 0:5d70351255d1 212 uint8_t param3, uint8_t param4,
caa45040 0:5d70351255d1 213 uint8_t param5, uint8_t param6)
caa45040 0:5d70351255d1 214 {
caa45040 0:5d70351255d1 215 char databytes[14] = { COMMAND_MODE, command, COMMAND_MODE, param1, COMMAND_MODE, param2,
caa45040 0:5d70351255d1 216 COMMAND_MODE, param3, COMMAND_MODE, param4, COMMAND_MODE, param5, COMMAND_MODE, param6 };
caa45040 0:5d70351255d1 217 i2c.write(_writeOpcode, databytes, 14);
caa45040 0:5d70351255d1 218 //_i2c.write(_writeOpcode, databytes, 14); // Write command
caa45040 0:5d70351255d1 219
caa45040 0:5d70351255d1 220 }//
caa45040 0:5d70351255d1 221 */
caa45040 0:5d70351255d1 222
caa45040 0:5d70351255d1 223 /*
caa45040 0:5d70351255d1 224 //センドデータ コマンドx1
caa45040 0:5d70351255d1 225 void SSD1308::_sendData(uint8_t data)
caa45040 0:5d70351255d1 226 {
caa45040 0:5d70351255d1 227 char databytes[2] = { DATA_MODE, data };
caa45040 0:5d70351255d1 228 i2c.write(_writeOpcode, databytes, 2);
caa45040 0:5d70351255d1 229 //_i2c.write(_writeOpcode, databytes, 2); // Write Data
caa45040 0:5d70351255d1 230 }//
caa45040 0:5d70351255d1 231 */
caa45040 0:5d70351255d1 232
caa45040 0:5d70351255d1 233 /*
caa45040 0:5d70351255d1 234 //センドデータ コマンドx1 データ
caa45040 0:5d70351255d1 235 void SSD1308::_sendData(uint8_t len, uint8_t* data)
caa45040 0:5d70351255d1 236 {
caa45040 0:5d70351255d1 237 for (int i=0; i<len ; i++) {
caa45040 0:5d70351255d1 238 _sendData(data[i]); // Write Data
caa45040 0:5d70351255d1 239 }
caa45040 0:5d70351255d1 240 }//_sendData
caa45040 0:5d70351255d1 241 */
caa45040 0:5d70351255d1 242
caa45040 0:5d70351255d1 243 //セット
caa45040 0:5d70351255d1 244 void SSD1308::setHorizontalAddressingMode()
caa45040 0:5d70351255d1 245 {
caa45040 0:5d70351255d1 246
caa45040 0:5d70351255d1 247 //fff("setHorizontalAddressingMode\r\n");//debug
caa45040 0:5d70351255d1 248
caa45040 0:5d70351255d1 249 setMemoryAddressingMode(HORIZONTAL_ADDRESSING_MODE);
caa45040 0:5d70351255d1 250 }//setHorizontalAddressingMode
caa45040 0:5d70351255d1 251
caa45040 0:5d70351255d1 252 //セットメモリーアドレシングモード
caa45040 0:5d70351255d1 253 void SSD1308::setMemoryAddressingMode(uint8_t mode)
caa45040 0:5d70351255d1 254 {
caa45040 0:5d70351255d1 255
caa45040 0:5d70351255d1 256 //fff("setMemoryAddressingMode\r\n");
caa45040 0:5d70351255d1 257
caa45040 0:5d70351255d1 258 //_sendCommand(SET_MEMORY_ADDRESSING_MODE, mode);
caa45040 0:5d70351255d1 259
caa45040 0:5d70351255d1 260
caa45040 1:20e48680a5f8 261 uint8_t databytes[4] = { COMMAND_MODE, SET_MEMORY_ADDRESSING_MODE, COMMAND_MODE, mode };
caa45040 0:5d70351255d1 262
caa45040 1:20e48680a5f8 263 //i2c.write(_writeOpcode, databytes, 4);
caa45040 1:20e48680a5f8 264 HAL_I2C_Master_Transmit( _hi2c , _writeOpcode , databytes, 4, 3000);
caa45040 0:5d70351255d1 265
caa45040 0:5d70351255d1 266
caa45040 0:5d70351255d1 267 }//setMemoryAddressingMode
caa45040 0:5d70351255d1 268
caa45040 0:5d70351255d1 269 //セットページアドレス
caa45040 0:5d70351255d1 270 void SSD1308::setPageAddress(uint8_t start, uint8_t end)
caa45040 0:5d70351255d1 271 {
caa45040 0:5d70351255d1 272
caa45040 0:5d70351255d1 273 //fff("setPageAddress\r\n");
caa45040 0:5d70351255d1 274
caa45040 0:5d70351255d1 275 //_sendCommand(SET_PAGE_ADDRESS, start, end);
caa45040 0:5d70351255d1 276
caa45040 1:20e48680a5f8 277 uint8_t databytes[6] = { COMMAND_MODE, SET_PAGE_ADDRESS, COMMAND_MODE, start, COMMAND_MODE, end };
caa45040 1:20e48680a5f8 278 //i2c.write(_writeOpcode, databytes, 6);
caa45040 1:20e48680a5f8 279 HAL_I2C_Master_Transmit( _hi2c , _writeOpcode , databytes, 6, 3000);
caa45040 0:5d70351255d1 280
caa45040 0:5d70351255d1 281
caa45040 0:5d70351255d1 282 }//setPageAddress
caa45040 0:5d70351255d1 283
caa45040 0:5d70351255d1 284 //セットカラムアクセス
caa45040 0:5d70351255d1 285 void SSD1308::setColumnAddress(uint8_t start, uint8_t end)
caa45040 0:5d70351255d1 286 {
caa45040 0:5d70351255d1 287
caa45040 0:5d70351255d1 288 //fff("setColumnAddress");
caa45040 0:5d70351255d1 289
caa45040 0:5d70351255d1 290 //_sendCommand(SET_COLUMN_ADDRESS, start, end);
caa45040 0:5d70351255d1 291
caa45040 1:20e48680a5f8 292 uint8_t databytes[6] = { COMMAND_MODE, SET_COLUMN_ADDRESS, COMMAND_MODE, start, COMMAND_MODE, end };
caa45040 1:20e48680a5f8 293 //i2c.write(_writeOpcode, databytes, 6);
caa45040 1:20e48680a5f8 294 HAL_I2C_Master_Transmit( _hi2c , _writeOpcode , databytes, 6, 3000);
caa45040 0:5d70351255d1 295
caa45040 0:5d70351255d1 296 }//setColumnAddress
caa45040 0:5d70351255d1 297
caa45040 0:5d70351255d1 298 //セットディスプレーオン
caa45040 0:5d70351255d1 299 void SSD1308::setDisplayOn()
caa45040 0:5d70351255d1 300 {
caa45040 0:5d70351255d1 301
caa45040 0:5d70351255d1 302 //fff("setDisplayOn\r\n");//debug
caa45040 0:5d70351255d1 303
caa45040 0:5d70351255d1 304 //_sendCommand(SET_DISPLAY_POWER_ON);
caa45040 0:5d70351255d1 305
caa45040 0:5d70351255d1 306
caa45040 1:20e48680a5f8 307 uint8_t databytes[2] = { COMMAND_MODE, SET_DISPLAY_POWER_ON };
caa45040 1:20e48680a5f8 308 //i2c.write(_writeOpcode,databytes, 2);
caa45040 1:20e48680a5f8 309 HAL_I2C_Master_Transmit( _hi2c , _writeOpcode , databytes, 2, 3000);
caa45040 0:5d70351255d1 310
caa45040 0:5d70351255d1 311 }//setDisplayOn
caa45040 0:5d70351255d1 312
caa45040 0:5d70351255d1 313
caa45040 0:5d70351255d1 314 /*
caa45040 0:5d70351255d1 315 //セットディスプレーオフ
caa45040 0:5d70351255d1 316 void SSD1308::setDisplayOff()
caa45040 0:5d70351255d1 317 {
caa45040 0:5d70351255d1 318 _sendCommand(SET_DISPLAY_POWER_OFF);
caa45040 0:5d70351255d1 319 }//setDisplayOff
caa45040 0:5d70351255d1 320 */
caa45040 0:5d70351255d1 321
caa45040 0:5d70351255d1 322 /*
caa45040 0:5d70351255d1 323 //セットディスプレー Flip
caa45040 0:5d70351255d1 324 void SSD1308::setDisplayFlip(bool left, bool down)
caa45040 0:5d70351255d1 325 {
caa45040 0:5d70351255d1 326 if (left) {
caa45040 0:5d70351255d1 327 // column address 0 is mapped to SEG0 (Reset)
caa45040 0:5d70351255d1 328 _sendCommand(SET_SEGMENT_REMAP_0);
caa45040 0:5d70351255d1 329 } else {
caa45040 0:5d70351255d1 330 // column address 127 is mapped to SEG0
caa45040 0:5d70351255d1 331 _sendCommand(SET_SEGMENT_REMAP_127);
caa45040 0:5d70351255d1 332 }
caa45040 0:5d70351255d1 333
caa45040 0:5d70351255d1 334 if (down) {
caa45040 0:5d70351255d1 335 // Reset mode
caa45040 0:5d70351255d1 336 _sendCommand(SET_COMMON_REMAP_0);
caa45040 0:5d70351255d1 337 } else {
caa45040 0:5d70351255d1 338 // Flip Up/Down (Need to rewrite display before H effect shows)
caa45040 0:5d70351255d1 339 _sendCommand(SET_COMMON_REMAP_63);
caa45040 0:5d70351255d1 340 }
caa45040 0:5d70351255d1 341
caa45040 0:5d70351255d1 342 }//setDisplayFlip
caa45040 0:5d70351255d1 343 */