void OLED12864::setPos(int x, int y)
{
x+=2;
txCmd(0xb0 + y);
txCmd(((x&0xf0)>>4)| 0x10);
txCmd((x&0x0f));
}
void OLED12864::fillPattern(unsigned char pattern)
{
unsigned char y,x;
for(y=0;y<SCREEN_PIXEL_HEIGHT/8;y++)
{
txCmd(0xb0 | y);
txCmd(0x01);
txCmd(0x10);
for(x=0;x<SCREEN_PIXEL_WIDTH;x++)
{
txData(pattern);
}
}
}
void FstopComms::respondWrite()
{
if(!checkcheck())
return;
unsigned int addr=getAddr();
char len=cmd[PKT_LEN];
if(len < 1 || len > PKT_MAXREQ || addr < EEPROM_MIN_WRITE || addr+len > EEPROM_MAX_WRITE){
nak(BAD_WRITE);
return;
}
// copy from buffer to EEPROM
char bp=PKT_SHORTHDR;
for(char i=0;i<len;++i){
EEPROM.write(addr++, cmd[bp++]);
}
cmd[PKT_CMD]=COM_WRITEACK;
buflen=PKT_SHORTHDR;
// recompute checksum, send without data
txCmd();
}
void FstopComms::respondRead()
{
if(!checkcheck())
return;
unsigned int addr=getAddr();
char len=cmd[PKT_LEN];
if(len < 1 || len > PKT_MAXREQ || addr < EEPROM_MIN_READ || addr+len > EEPROM_MAX_READ){
nak(BAD_READ);
return;
}
// read from EEPROM into buffer
cmd[PKT_CMD]=COM_READACK;
for(char i=0;i<len;++i){
cmd[i+PKT_SHORTHDR]=EEPROM.read(addr++);
}
buflen=len+PKT_SHORTHDR;
// append checksum and send.
txCmd();
}
void OLED12864::init()
{
// set pin mode...
pinMode(OLED_SPI_CS, OUTPUT);
pinMode(OLED_SPI_CLK, OUTPUT);
pinMode(OLED_SPI_MOSI, OUTPUT);
digitalWrite(OLED_SPI_CLK, 1);
digitalWrite(OLED_SPI_MOSI, 1);
digitalWrite(OLED_SPI_CS, 1);
digitalWrite(OLED_SPI_CS, 0);
pinMode(OLED_CMD, OUTPUT);
digitalWrite(OLED_CMD, 1);
delay(1);
digitalWrite(OLED_SPI_CLK,1);
//OLED_RST_Clr();
delay(500);
//OLED_RST_Set();
txCmd(0xAE);//--turn off oled panel
txCmd(0x02);//---set low column address
txCmd(0x10);//---set high column address
txCmd(0x40);//--set start line address Set Mapping RAM Display Start Line (0x00~0x3F)
txCmd(0xB0);//--set contrast control register
txCmd(0x81); // Set SEG Output Current Brightness
txCmd(0xFF);//--Set SEG/Column Mapping 0xa0???? 0xa1??
txCmd(0xA1);//Set COM/Row Scan Direction 0xc0???? 0xc8??
txCmd(0xA6);//--set normal display
txCmd(0xA8);//--set multiplex ratio(1 to 64)
txCmd(0x3F);//--1/64 duty
txCmd(0xAD);//-set display offset Shift Mapping RAM Counter (0x00~0x3F)
txCmd(0x8B);//-not offset
txCmd(0x33);//--set display clock divide ratio/oscillator frequency
txCmd(0xC8);//--set divide ratio, Set Clock as 100 Frames/Sec
txCmd(0xD3);//--set pre-charge period
txCmd(0x00);//Set Pre-Charge as 15 Clocks & Discharge as 1 Clock
txCmd(0xD5);//--set com pins hardware configuration
txCmd(0x80);
txCmd(0xD9);//--set vcomh
txCmd(0x1F);//Set VCOM Deselect Level
txCmd(0xDA);//-Set Page Addressing Mode (0x00/0x01/0x02)
txCmd(0x12);//
txCmd(0xDB);//--set Charge Pump enable/disable
txCmd(0x40);//--set(0x10) disable
txCmd(0xAF);//--turn on oled panel
clear();
setPos(0,0);
}
