void i2c_OLED_clear_display_quick(void)
{
i2c_OLED_send_cmd(0xb0); // set page address to 0
i2c_OLED_send_cmd(0x40); // Display start line register to 0
i2c_OLED_send_cmd(0); // Set low col address to 0
i2c_OLED_send_cmd(0x10); // Set high col address to 0
for(uint16_t i = 0; i < 1024; i++) { // fill the display's RAM with graphic... 128*64 pixel picture
i2c_OLED_send_byte(0x00); // clear
}
}
void i2c_OLED_set_line(uint8_t row) // goto the beginning of a single row, compattible with LCD_CONFIG
{
switch (OLED_Type)
{
case 1:
case 2:
i2c_OLED_send_cmd(0xb0+row); //set page address
i2c_OLED_send_cmd(0); //set low col address
i2c_OLED_send_cmd(0x10); //set high col address
break;
}
}
void i2c_OLED_set_XY(uint8_t col, uint8_t row) // Not used in MW V2.0 but its here anyway!
{
switch (OLED_Type)
{
case 1:
case 2:
i2c_OLED_send_cmd(0xb0+row); //set page address
i2c_OLED_send_cmd(0x00+(8*col&0x0f)); //set low col address
i2c_OLED_send_cmd(0x10+((8*col>>4)&0x0f)); //set high col address
break;
}
}
void ug2864hsweg01InitI2C(void)
{
i2c_OLED_send_cmd(0xae); //display off
i2c_OLED_send_cmd(0xa4); //SET All pixels OFF
// i2c_OLED_send_cmd(0xa5); //SET ALL pixels ON
delay(50);
// i2c_OLED_send_cmd(0x8D); // charge pump
// i2c_OLED_send_cmd(0x14); // enable
i2c_OLED_send_cmd(0x20); //Set Memory Addressing Mode
i2c_OLED_send_cmd(0x02); //Set Memory Addressing Mode to Page addressing mode(RESET)
// i2c_OLED_send_cmd(0xa0); //colum address 0 mapped to SEG0 (POR)*** wires at bottom
i2c_OLED_send_cmd(0xa1); //colum address 127 mapped to SEG0 (POR) ** wires at top of board
// i2c_OLED_send_cmd(0xC0); // Scan from Right to Left (POR) *** wires at bottom
i2c_OLED_send_cmd(0xC8); // Scan from Left to Right ** wires at top
i2c_OLED_send_cmd(0xa6); // Set WHITE chars on BLACK backround
// i2c_OLED_send_cmd(0xa7); // Set BLACK chars on WHITE backround
i2c_OLED_send_cmd(0x81); // Setup CONTRAST CONTROL, following byte is the contrast Value
i2c_OLED_send_cmd(0xaf); // contrast value between 1 ( == dull) to 256 ( == bright)
// i2c_OLED_send_cmd(0xd3); // Display Offset :
// i2c_OLED_send_cmd(0x0); // 0
// delay(20);
// i2c_OLED_send_cmd(0x40); // Display start line [0;63] -> [0x40;0x7f]
// delay(20);
#ifdef DISPLAY_FONT_DSIZE
i2c_OLED_send_cmd(0xd6); // zoom
i2c_OLED_send_cmd(0x01);// on
#else
// i2c_OLED_send_cmd(0xd6); // zoom
// i2c_OLED_send_cmd(0x00); // off
#endif
delay(20);
i2c_OLED_send_cmd(0xaf); //display on
delay(20);
i2c_OLED_clear_display();
}
bool ug2864hsweg01InitI2C(void)
{
// Set display OFF
if (!i2c_OLED_send_cmd(0xAE)) {
return false;
}
i2c_OLED_send_cmd(0xD4); // Set Display Clock Divide Ratio / OSC Frequency
i2c_OLED_send_cmd(0x80); // Display Clock Divide Ratio / OSC Frequency
i2c_OLED_send_cmd(0xA8); // Set Multiplex Ratio
i2c_OLED_send_cmd(0x3F); // Multiplex Ratio for 128x64 (64-1)
i2c_OLED_send_cmd(0xD3); // Set Display Offset
i2c_OLED_send_cmd(0x00); // Display Offset
i2c_OLED_send_cmd(0x40); // Set Display Start Line
i2c_OLED_send_cmd(0x8D); // Set Charge Pump
i2c_OLED_send_cmd(0x14); // Charge Pump (0x10 External, 0x14 Internal DC/DC)
i2c_OLED_send_cmd(0xA1); // Set Segment Re-Map
i2c_OLED_send_cmd(0xC8); // Set Com Output Scan Direction
i2c_OLED_send_cmd(0xDA); // Set COM Hardware Configuration
i2c_OLED_send_cmd(0x12); // COM Hardware Configuration
i2c_OLED_send_cmd(0x81); // Set Contrast
i2c_OLED_send_cmd(0xCF); // Contrast
i2c_OLED_send_cmd(0xD9); // Set Pre-Charge Period
i2c_OLED_send_cmd(0xF1); // Set Pre-Charge Period (0x22 External, 0xF1 Internal)
i2c_OLED_send_cmd(0xDB); // Set VCOMH Deselect Level
i2c_OLED_send_cmd(0x40); // VCOMH Deselect Level
i2c_OLED_send_cmd(0xA4); // Set all pixels OFF
i2c_OLED_send_cmd(0xA6); // Set display not inverted
i2c_OLED_send_cmd(0xAF); // Set display On
i2c_OLED_clear_display();
return true;
}
void i2c_OLED_set_line(uint8_t row)
{
i2c_OLED_send_cmd(0xb0 + row); //set page address
i2c_OLED_send_cmd(0); //set low col address
i2c_OLED_send_cmd(0x10); //set high col address
}
void i2c_OLED_set_xy(uint8_t col, uint8_t row)
{
i2c_OLED_send_cmd(0xb0 + row); //set page address
i2c_OLED_send_cmd(0x00 + ((CHARACTER_WIDTH_TOTAL * col) & 0x0f)); //set low col address
i2c_OLED_send_cmd(0x10 + (((CHARACTER_WIDTH_TOTAL * col) >> 4) & 0x0f)); //set high col address
}
void i2c_OLED_clear_display(void)
{
i2c_OLED_send_cmd(0xa6); // Set Normal Display
i2c_OLED_send_cmd(0xae); // Display OFF
i2c_OLED_send_cmd(0x20); // Set Memory Addressing Mode
i2c_OLED_send_cmd(0x00); // Set Memory Addressing Mode to Horizontal addressing mode
i2c_OLED_send_cmd(0xb0); // set page address to 0
i2c_OLED_send_cmd(0x40); // Display start line register to 0
i2c_OLED_send_cmd(0); // Set low col address to 0
i2c_OLED_send_cmd(0x10); // Set high col address to 0
for(uint16_t i = 0; i < 1024; i++) { // fill the display's RAM with graphic... 128*64 pixel picture
i2c_OLED_send_byte(0x00); // clear
}
i2c_OLED_send_cmd(0x81); // Setup CONTRAST CONTROL, following byte is the contrast Value... always a 2 byte instruction
i2c_OLED_send_cmd(200); // Here you can set the brightness 1 = dull, 255 is very bright
i2c_OLED_send_cmd(0xaf); // display on
}
bool i2c_OLED_init(void)
{
uint8_t dummy;
if (i2cRead(OLED1_address, 0xA0, 1, &dummy))
{
curOLED_address = OLED1_address;
OLED_Type = 1;
}
else
{
if (i2cRead(OLED2_address, 0xA0, 1, &dummy))
{
curOLED_address = OLED2_address;
OLED_Type = 2;
}
else
OLED_Type = 0;
}
switch (OLED_Type)
{
case 1:
case 2:
// Init sequence for 128x64 OLED module
i2c_OLED_send_cmd(SSD1306_DISPLAYOFF); // 0xAE
i2c_OLED_send_cmd(SSD1306_SETDISPLAYCLOCKDIV); // 0xD5
i2c_OLED_send_cmd(0x80); // the suggested ratio 0x80
i2c_OLED_send_cmd(SSD1306_SETMULTIPLEX); // 0xA8
i2c_OLED_send_cmd(0x3F);
i2c_OLED_send_cmd(SSD1306_SETDISPLAYOFFSET); // 0xD3
i2c_OLED_send_cmd(0x0); // no offset
i2c_OLED_send_cmd(SSD1306_SETSTARTLINE | 0x0); // line #0
i2c_OLED_send_cmd(SSD1306_CHARGEPUMP); // 0x8D
i2c_OLED_send_cmd(0x14); // vccstate != SSD1306_EXTERNALVCC)
i2c_OLED_send_cmd(SSD1306_MEMORYMODE); // 0x20
i2c_OLED_send_cmd(0x00); // 0x0 act like ks0108
i2c_OLED_send_cmd(SSD1306_SEGREMAP | 0x1);
i2c_OLED_send_cmd(SSD1306_COMSCANDEC);
i2c_OLED_send_cmd(SSD1306_SETCOMPINS); // 0xDA
i2c_OLED_send_cmd(0x12);
i2c_OLED_send_cmd(SSD1306_SETCONTRAST); // 0x81
i2c_OLED_send_cmd(0xCF); //vccstate != SSD1306_EXTERNALVCC)
i2c_OLED_send_cmd(SSD1306_SETPRECHARGE); // 0xd9
i2c_OLED_send_cmd(0xF1); //vccstate != SSD1306_EXTERNALVCC)
i2c_OLED_send_cmd(SSD1306_SETVCOMDETECT); // 0xDB
i2c_OLED_send_cmd(0x40);
i2c_OLED_send_cmd(SSD1306_DISPLAYALLON_RESUME); // 0xA4
i2c_OLED_send_cmd(SSD1306_NORMALDISPLAY); // 0xA6
delay(20);
i2c_OLED_set_line(1);
return true;
}
return false;
}
