diff options
Diffstat (limited to 'obdlogger/SSD1306.cpp')
| -rw-r--r-- | obdlogger/SSD1306.cpp | 273 |
1 files changed, 0 insertions, 273 deletions
diff --git a/obdlogger/SSD1306.cpp b/obdlogger/SSD1306.cpp deleted file mode 100644 index 7f7b8e8..0000000 --- a/obdlogger/SSD1306.cpp +++ /dev/null @@ -1,273 +0,0 @@ -#include <avr/pgmspace.h> -#include <util/delay.h> -#include <stdlib.h> -#include <Wire.h> -#include "SSD1306.h" - -SSD1306::SSD1306(int8_t SCLK, int8_t DC, int8_t RST, int8_t CS) { - cs = CS; - rst = RST; - dc = DC; - sclk = SCLK; -} - -// initializer for I2C - we only indicate the reset pin! - SSD1306::SSD1306(int8_t reset) { - sclk = dc = cs = -1; - rst = reset; -} - - -void SSD1306::begin(uint8_t vccstate, uint8_t i2caddr) { - _i2caddr = i2caddr; - - - // set pin directions - // I2C Init - Wire.begin(); // Is this the right place for this? - - // Setup reset pin direction (used by both SPI and I2C) - pinMode(rst, OUTPUT); - digitalWrite(rst, HIGH); - // VDD (3.3V) goes high at start, lets just chill for a ms - delay(1); - // bring reset low - digitalWrite(rst, LOW); - // wait 10ms - delay(10); - // bring out of reset - digitalWrite(rst, HIGH); - // turn on VCC (9V?) - #if defined SSD1306_128_32 - // Init sequence for 128x32 OLED module - ssd1306_command(SSD1306_DISPLAYOFF); // 0xAE - ssd1306_command(SSD1306_SETDISPLAYCLOCKDIV); // 0xD5 - ssd1306_command(0x80); // the suggested ratio 0x80 - ssd1306_command(SSD1306_SETMULTIPLEX); // 0xA8 - ssd1306_command(0x1F); - ssd1306_command(SSD1306_SETDISPLAYOFFSET); // 0xD3 - ssd1306_command(0x0); // no offset - ssd1306_command(SSD1306_SETSTARTLINE | 0x0); // line #0 - ssd1306_command(SSD1306_CHARGEPUMP); // 0x8D - if (vccstate == SSD1306_EXTERNALVCC) - { ssd1306_command(0x10); } - else - { ssd1306_command(0x14); } - ssd1306_command(SSD1306_MEMORYMODE); // 0x20 - ssd1306_command(0x00); // 0x0 act like ks0108 - ssd1306_command(SSD1306_SEGREMAP | 0x1); - ssd1306_command(SSD1306_COMSCANDEC); - ssd1306_command(SSD1306_SETCOMPINS); // 0xDA - ssd1306_command(0x02); - ssd1306_command(SSD1306_SETCONTRAST); // 0x81 - ssd1306_command(0x8F); - ssd1306_command(SSD1306_SETPRECHARGE); // 0xd9 - if (vccstate == SSD1306_EXTERNALVCC) - { ssd1306_command(0x22); } - else - { ssd1306_command(0xF1); } - ssd1306_command(SSD1306_SETVCOMDETECT); // 0xDB - ssd1306_command(0x40); - ssd1306_command(SSD1306_DISPLAYALLON_RESUME); // 0xA4 - ssd1306_command(SSD1306_NORMALDISPLAY); // 0xA6 - #endif - - #if defined SSD1306_128_64 - // Init sequence for 128x64 OLED module - ssd1306_command(SSD1306_DISPLAYOFF); // 0xAE - ssd1306_command(SSD1306_SETDISPLAYCLOCKDIV); // 0xD5 - ssd1306_command(0x80); // the suggested ratio 0x80 - ssd1306_command(SSD1306_SETMULTIPLEX); // 0xA8 - ssd1306_command(0x3F); - ssd1306_command(SSD1306_SETDISPLAYOFFSET); // 0xD3 - ssd1306_command(0x0); // no offset - ssd1306_command(SSD1306_SETSTARTLINE | 0x0); // line #0 - ssd1306_command(SSD1306_CHARGEPUMP); // 0x8D - if (vccstate == SSD1306_EXTERNALVCC) - { ssd1306_command(0x10); } - else - { ssd1306_command(0x14); } - ssd1306_command(SSD1306_MEMORYMODE); // 0x20 - ssd1306_command(0x00); // 0x0 act like ks0108 - ssd1306_command(SSD1306_SEGREMAP | 0x1); - ssd1306_command(SSD1306_COMSCANDEC); - ssd1306_command(SSD1306_SETCOMPINS); // 0xDA - ssd1306_command(0x12); - ssd1306_command(SSD1306_SETCONTRAST); // 0x81 - if (vccstate == SSD1306_EXTERNALVCC) - { ssd1306_command(0x9F); } - else - { ssd1306_command(0xCF); } - ssd1306_command(SSD1306_SETPRECHARGE); // 0xd9 - if (vccstate == SSD1306_EXTERNALVCC) - { ssd1306_command(0x22); } - else - { ssd1306_command(0xF1); } - ssd1306_command(SSD1306_SETVCOMDETECT); // 0xDB - ssd1306_command(0x40); - ssd1306_command(SSD1306_DISPLAYALLON_RESUME); // 0xA4 - ssd1306_command(SSD1306_NORMALDISPLAY); // 0xA6 - #endif - - ssd1306_command(SSD1306_DISPLAYON);//--turn on oled panel - - // clear screen - delay(5); - - ssd1306_command(SSD1306_SETLOWCOLUMN | 0x0); // low col = 0 - ssd1306_command(SSD1306_SETHIGHCOLUMN | 0x0); // hi col = 0 - ssd1306_command(SSD1306_SETSTARTLINE | 0x0); // line #0 - - for (byte i = 0; i < SSD1306_LCDHEIGHT / 8; i++) { - // send a bunch of data in one xmission - ssd1306_command(0xB0 + i);//set page address - ssd1306_command(0);//set lower column address - ssd1306_command(0x10);//set higher column address - - for(byte j = 0; j < 8; j++){ - Wire.beginTransmission(_i2caddr); - Wire.write(0x40); - for (byte k = 0; k < SSD1306_LCDWIDTH / 8; k++) { - Wire.write(0); - } - Wire.endTransmission(); - } - } -} - - -void SSD1306::invertDisplay(uint8_t i) { - if (i) { - ssd1306_command(SSD1306_INVERTDISPLAY); - } else { - ssd1306_command(SSD1306_NORMALDISPLAY); - } -} - -void SSD1306::ssd1306_command(uint8_t c) { - // I2C - uint8_t control = 0x00; // Co = 0, D/C = 0 - Wire.beginTransmission(_i2caddr); - Wire.write(control); - Wire.write(c); - Wire.endTransmission(); -} - -// startscrollright -// Activate a right handed scroll for rows start through stop -// Hint, the display is 16 rows tall. To scroll the whole display, run: -// display.scrollright(0x00, 0x0F) -void SSD1306::startscrollright(uint8_t start, uint8_t stop){ - ssd1306_command(SSD1306_RIGHT_HORIZONTAL_SCROLL); - ssd1306_command(0X00); - ssd1306_command(start); - ssd1306_command(0X00); - ssd1306_command(stop); - ssd1306_command(0X01); - ssd1306_command(0XFF); - ssd1306_command(SSD1306_ACTIVATE_SCROLL); -} - -// startscrollleft -// Activate a right handed scroll for rows start through stop -// Hint, the display is 16 rows tall. To scroll the whole display, run: -// display.scrollright(0x00, 0x0F) -void SSD1306::startscrollleft(uint8_t start, uint8_t stop){ - ssd1306_command(SSD1306_LEFT_HORIZONTAL_SCROLL); - ssd1306_command(0X00); - ssd1306_command(start); - ssd1306_command(0X00); - ssd1306_command(stop); - ssd1306_command(0X01); - ssd1306_command(0XFF); - ssd1306_command(SSD1306_ACTIVATE_SCROLL); -} - -// startscrolldiagright -// Activate a diagonal scroll for rows start through stop -// Hint, the display is 16 rows tall. To scroll the whole display, run: -// display.scrollright(0x00, 0x0F) -void SSD1306::startscrolldiagright(uint8_t start, uint8_t stop){ - ssd1306_command(SSD1306_SET_VERTICAL_SCROLL_AREA); - ssd1306_command(0X00); - ssd1306_command(SSD1306_LCDHEIGHT); - ssd1306_command(SSD1306_VERTICAL_AND_RIGHT_HORIZONTAL_SCROLL); - ssd1306_command(0X00); - ssd1306_command(start); - ssd1306_command(0X00); - ssd1306_command(stop); - ssd1306_command(0X01); - ssd1306_command(SSD1306_ACTIVATE_SCROLL); -} - -// startscrolldiagleft -// Activate a diagonal scroll for rows start through stop -// Hint, the display is 16 rows tall. To scroll the whole display, run: -// display.scrollright(0x00, 0x0F) -void SSD1306::startscrolldiagleft(uint8_t start, uint8_t stop){ - ssd1306_command(SSD1306_SET_VERTICAL_SCROLL_AREA); - ssd1306_command(0X00); - ssd1306_command(SSD1306_LCDHEIGHT); - ssd1306_command(SSD1306_VERTICAL_AND_LEFT_HORIZONTAL_SCROLL); - ssd1306_command(0X00); - ssd1306_command(start); - ssd1306_command(0X00); - ssd1306_command(stop); - ssd1306_command(0X01); - ssd1306_command(SSD1306_ACTIVATE_SCROLL); -} - -void SSD1306::stopscroll(void){ - ssd1306_command(SSD1306_DEACTIVATE_SCROLL); -} - -void SSD1306::ssd1306_data(uint8_t c) { - // I2C - uint8_t control = 0x40; // Co = 0, D/C = 1 - Wire.beginTransmission(_i2caddr); - Wire.write(control); - Wire.write(c); - Wire.endTransmission(); -} - -void SSD1306::fill(unsigned char dat) -{ - unsigned char i,j; - - ssd1306_command(0x00);//set lower column address - ssd1306_command(0x10);//set higher column address - ssd1306_command(0xB0);//set page address - - uint8_t twbrbackup = TWBR; - TWBR = 18; // upgrade to 400KHz! - for (byte i=0; i<(SSD1306_LCDHEIGHT/8); i++) - { - // send a bunch of data in one xmission - ssd1306_command(0xB0 + i);//set page address - ssd1306_command(0);//set lower column address - ssd1306_command(0x10);//set higher column address - - for(byte j = 0; j < 8; j++){ - Wire.beginTransmission(_i2caddr); - Wire.write(0x40); - for (byte k = 0; k < 16; k++) { - Wire.write(dat); - } - Wire.endTransmission(); - } - } - TWBR = twbrbackup; -} - -void SSD1306::draw8x8(byte* buffer, uint8_t x, uint8_t y) -{ - // send a bunch of data in one xmission - ssd1306_command(0xB0 + y);//set page address - ssd1306_command(x & 0xf);//set lower column address - ssd1306_command(0x10 | (x >> 4));//set higher column address - - Wire.beginTransmission(_i2caddr); - Wire.write(0x40); - Wire.write(buffer, 8); - Wire.endTransmission(); -} |