/******************************************************************************
* Initializes the display in 4x booster for 2.4-3.3V supply voltage
* scheme according to datasheet
* Suitable for all DOGS, DOGM, DOGL and DOGXL displays
* in both bottom or top-view orientation.
*/
void lcd_init() {
LCD_SET_PIN_DIRECTIONS(); //set outputs
LCD_INIT_SPI(); //Initialize SPI Interface
LCD_RESET(); //Apply Reset to the Display Controller
//Load settings
#if DISPLAY_TYPE == 240
//LCD_SYSTEM_RESET; // software reset
//_delay_ms(5); // Gib dem Display ein bisschen Zeit für den Reset
LCD_SET_COM_END(127); // set last COM electrode
LCD_SET_PARTIAL_DISPLAY(0, 127); // set partial display start and end
LCD_SET_POTI(0x8F); // set Contrast to mid range lvl
LCD_SET_MAPPING_CTRL(2); // set mapping control to "bottom view"
LCD_SET_LINE_RATE(11); // set line rate to 9.4 kilo lines per second
LCD_SET_TEMP_COMP(1); // set tmep compensation to -0.10%
LCD_SWITCH_ON(); // set display enable (0xA9)
LCD_SET_DISPLAY_PATTERN(1); // set display pattern (0xD1)
LCD_SET_RAM_ADDR_CTRL(1); // set auto-increment
#endif
#if DISPLAY_TYPE == 160
LCD_SET_COM_END(103); //set last COM electrode
#if ORIENTATION_UPSIDEDOWN = 0
LCD_SET_BOTTOM_VIEW(); //6 o'clock mode, normal orientation
#else
LCD_SET_TOP_VIEW(); //12 o'clock mode, reversed orientation
#endif
LCD_SET_START_LINE(0); //set scrolling to 0
LCD_SET_PANEL_LOAD(3); //set panel loading to 28-38nF
LCD_SET_BIAS_RATIO(3); //set bias ratio
LCD_SET_VOLTAGE_BIAS(0x5F); //set Vbias potentiometer for contrast
LCD_SET_RAM_ADDR_CTRL(1); //set auto-increment
#endif
#if DISPLAY_TYPE == 132
LCD_SET_FIRST_LINE(0); //first bit in RAM is on the first line of the LCD
#if ORIENTATION_UPSIDEDOWN == 0
LCD_SET_BOTTOM_VIEW(); //6 o'clock mode, normal orientation
LCD_ORIENTATION_NORMAL();
#else
LCD_SET_TOP_VIEW(); //12 o'clock mode, reversed orientation
LCD_ORIENTATION_UPSIDEDOWN();
#endif
LCD_SHOW_ALL_PIXELS_OFF(); //Normal Pixel mode
LCD_SET_MODE_POSITIVE(); //positive display
LCD_SET_BIAS_RATIO_1_9(); //bias 1/9
LCD_SET_POWER_CONTROL(7); //power control mode: all features on
LCD_SET_BIAS_VOLTAGE(3); //set voltage regulator R/R
LCD_SET_VOLUME_MODE(0x1F); //volume mode set
LCD_SET_INDICATOR_OFF(); //switch indicator off, no blinking
#endif
#if DISPLAY_TYPE == 128
LCD_SET_FIRST_LINE(0); //first bit in RAM is on the first line of the LCD
#if ORIENTATION_UPSIDEDOWN == 0
LCD_SET_BOTTOM_VIEW(); //6 o'clock mode, normal orientation
LCD_ORIENTATION_NORMAL();
#else
LCD_SET_TOP_VIEW(); //12 o'clock mode, reversed orientation
LCD_ORIENTATION_UPSIDEDOWN();
#endif
LCD_SHOW_ALL_PIXELS_OFF(); //Normal Pixel mode
LCD_SET_MODE_POSITIVE(); //positive display
LCD_SET_BIAS_RATIO_1_7(); //bias 1/7
LCD_SET_POWER_CONTROL(7); //power control mode: all features on
LCD_SET_BIAS_VOLTAGE(7); //set voltage regulator R/R
LCD_SET_VOLUME_MODE(0x06); //volume mode set
LCD_SET_INDICATOR_OFF(); //switch indicator off, no blinking
#endif
#if DISPLAY_TYPE == 102
LCD_SET_FIRST_LINE(0); //first bit in RAM is on the first line of the LCD
#if ORIENTATION_UPSIDEDOWN == 0
LCD_SET_BOTTOM_VIEW(); //6 o'clock mode, normal orientation
LCD_ORIENTATION_NORMAL();
#else
LCD_SET_TOP_VIEW(); //12 o'clock mode, reversed orientation
LCD_ORIENTATION_UPSIDEDOWN();
#endif
LCD_SHOW_ALL_PIXELS_OFF(); //Normal Pixel mode
LCD_SET_MODE_POSITIVE(); //positive display
LCD_SET_BIAS_RATIO_1_9(); //bias 1/9
LCD_SET_POWER_CONTROL(7); //power control mode: all features on
LCD_SET_BIAS_VOLTAGE(7); //set voltage regulator R/R
LCD_SET_VOLUME_MODE(0x9); //volume mode set
LCD_SET_ADV_PROG_CTRL(LCD_TEMPCOMP_HIGH);
#endif
lcd_clear_area_xy(LCD_RAM_PAGES,LCD_WIDTH,NORMAL,0,0); //clear display content
LCD_SWITCH_ON(); //Switch display on
return;
}
/******************************************************************************
* Initializes the display in 6 o'clock mode, 4x booster for 2.4-3.3V supply voltage
* scheme according to datasheet
* Suitable for all DOGS, DOGM and DOGL displays.
*/
void lcd_init() {
//for better understanding -> write macros in clear text
//set outputs
//LCD_SET_PIN_DIRECTIONS();
DDR_A0 |= (1<<PIN_A0);
DDR_RST |= (1<<PIN_RST);
DDR_CS |= (1<<PIN_CS);
//Initialize SPI Interface
//LCD_INIT_SPI();
init_spi_lcd();
//Apply Reset to the Display Controller
//LCD_RESET();
PORT_RST &= ~(1<<PIN_RST);
_delay_ms(1);
PORT_RST |= (1<<PIN_RST);
//Load settings
//(2)
LCD_SET_FIRST_LINE(0); //first bit in RAM is on the first line of the LCD
// |
// --> lcd_command(LCD_START_LINE | ((i) & 0x3F))
// -> LCD_START_LINE = display start line 0
//without this delay the content is displayed mirror inverted
_delay_ms(1);
//(8)
LCD_SET_BOTTOM_VIEW(); //6 o'clock mode, normal orientation
// |
// --> lcd_command(LCD_BOTTOMVIEW)
// -> LCD_BOTTOMVIEW = ADC reverse
//_delay_ms(1);
//(15)
LCD_ORIENTATION_NORMAL();
// |
// --> lcd_command(LCD_SCAN_DIR_NORMAL)
// -> LCD_SCAN_DIR_NORMAL = Normal COM0 - COM31
//without this delay the content is displayed mirror inverted
_delay_ms(1);
//(10)
//LCD_SHOW_ALL_PIXELS_OFF(); //Normal Pixel mode
// |
// --> lcd_command(LCD_SHOW_NORMAL)
// -> LCD_SHOW_NORMAL = display all points, normal display (10)
//(9)
LCD_SET_MODE_POSITIVE(); //positive display
// |
// --> lcd_command(LCD_DISPLAY_POSITIVE)
// -> LCD_DISPLAY_POSITIVE = sets display normal (9)
#if DISPLAY_TYPE == 132
//(11)
LCD_SET_BIAS_RATIO_1_9(); //bias 1/9
// |
// --> lcd_command(LCD_BIAS_1_9)
//(16)
LCD_SET_POWER_CONTROL(7); //power control mode: all features on
// |
// --> lcd_command(LCD_POWER_CONTROL | ((i) & 0x07))
// -> command 16 with operating mode = 0b111
//(20) -> selbst eingefügtes macro
LCD_SET_BOOSTER_RATIO();
//(17)
LCD_SET_BIAS_VOLTAGE(3); //set voltage regulator R/R
// |
// --> lcd_command(LCD_VOLTAGE | ((i) & 0x07))
// -> command 17 with resistor ration 0b011
//(18)
LCD_SET_VOLUME_MODE(0x1F); //volume mode set
// |
// --> lcd_command(LCD_VOLUME_MODE_1)
// -> standard command 18
// --> lcd_command(LCD_VOLUME_MODE_2 | ((i) & 0x3F))
// -> command 18 with electronic volume value 0b011111
//(19)
LCD_SET_INDICATOR_OFF(); //switch indicator off, no blinking
// |
// --> passt scho
#endif
#if DISPLAY_TYPE == 128
LCD_SET_BIAS_RATIO_1_7(); //bias 1/7
LCD_SET_POWER_CONTROL(7); //power control mode: all features on
LCD_SET_BIAS_VOLTAGE(7); //set voltage regulator R/R
LCD_SET_VOLUME_MODE(0x06); //volume mode set
LCD_SET_INDICATOR_OFF(); //switch indicator off, no blinking
#endif
#if DISPLAY_TYPE == 102
LCD_SET_BIAS_RATIO_1_9(); //bias 1/9
LCD_SET_POWER_CONTROL(7); //power control mode: all features on
LCD_SET_BIAS_VOLTAGE(3); //set voltage regulator R/R
LCD_SET_VOLUME_MODE(0x1F); //volume mode set
LCD_SET_ADV_PROG_CTRL(LCD_TEMPCOMP_HIGH);
#endif
uint8_t i,j; //clear display content
for(j=0;j<LCD_RAM_PAGES;j++) {
lcd_moveto_xy(j,0); // array (uint8_t page, uint8_t column)
for (i=0;i<LCD_WIDTH;i++)
lcd_data(0);
}
lcd_moveto_xy(0,0); //Set write pointer
LCD_SWITCH_ON(); //Switch display on (1)
return;
}
