void set_orientation(orientation o)
{
display.orient = o;
write_cmd(MEMORY_ACCESS_CONTROL);
if (o==North) {
display.width = LCDWIDTH;
display.height = LCDHEIGHT;
write_data(0x48);
}
else if (o==West) {
display.width = LCDHEIGHT;
display.height = LCDWIDTH;
write_data(0xE8);
}
else if (o==South) {
display.width = LCDWIDTH;
display.height = LCDHEIGHT;
write_data(0x88);
}
else if (o==East) {
display.width = LCDHEIGHT;
display.height = LCDWIDTH;
write_data(0x28);
}
write_cmd(COLUMN_ADDRESS_SET);
write_data16(0);
write_data16(display.width-1);
write_cmd(PAGE_ADDRESS_SET);
write_data16(0);
write_data16(display.height-1);
}
static inline void set_viewport(GDisplay* g) {
write_index(g, SSD1963_SET_PAGE_ADDRESS);
write_data16(g, g->p.y);
write_data16(g, g->p.y+g->p.cy-1);
write_index(g, SSD1963_SET_COLUMN_ADDRESS);
write_data16(g, g->p.x);
write_data16(g, g->p.x+g->p.cx-1);
write_index(g, SSD1963_WRITE_MEMORY_START);
}
void fill_rectangle_indexed(rectangle r, uint16_t* col)
{
uint16_t x, y;
write_cmd(COLUMN_ADDRESS_SET);
write_data16(r.left);
write_data16(r.right);
write_cmd(PAGE_ADDRESS_SET);
write_data16(r.top);
write_data16(r.bottom);
write_cmd(MEMORY_WRITE);
for(x=r.left; x<=r.right; x++)
for(y=r.top; y<=r.bottom; y++)
write_data16(*col++);
}
void display_char(char c)
{
uint16_t x, y;
PGM_P fdata;
uint8_t bits, mask;
uint16_t sc=display.x, ec=display.x + 4, sp=display.y, ep=display.y + 7;
if (c < 32 || c > 126) return;
fdata = (c - ' ')*5 + font5x7;
write_cmd(PAGE_ADDRESS_SET);
write_data16(sp);
write_data16(ep);
for(x=sc; x<=ec; x++) {
write_cmd(COLUMN_ADDRESS_SET);
write_data16(x);
write_data16(x);
write_cmd(MEMORY_WRITE);
bits = pgm_read_byte(fdata++);
for(y=sp, mask=0x01; y<=ep; y++, mask<<=1)
write_data16((bits & mask) ? display.foreground : display.background);
}
write_cmd(COLUMN_ADDRESS_SET);
write_data16(x);
write_data16(x);
write_cmd(MEMORY_WRITE);
for(y=sp; y<=ep; y++)
write_data16(display.background);
display.x += 6;
if (display.x >= display.width) { display.x=0; display.y+=8; }
}
void MEMORY::write_data32(uint32 addr, uint32 data)
{
int bank = (addr & ADDR_MASK) >> addr_shift;
if(write_table[bank].dev != NULL) {
write_table[bank].dev->write_memory_mapped_io32(addr, data);
}
else {
write_data16(addr, data & 0xffff);
write_data16(addr + 2, (data >> 16) & 0xffff);
}
}
void init_lcd()
{
/* Enable extended memory interface with 10 bit addressing */
XMCRB = _BV(XMM2) | _BV(XMM1);
XMCRA = _BV(SRE);
DDRC |= _BV(RESET);
DDRB |= _BV(BLC);
_delay_ms(1);
PORTC &= ~_BV(RESET);
_delay_ms(20);
PORTC |= _BV(RESET);
_delay_ms(120);
write_cmd(DISPLAY_OFF);
write_cmd(SLEEP_OUT);
_delay_ms(60);
write_cmd_data(INTERNAL_IC_SETTING, 0x01);
write_cmd(POWER_CONTROL_1);
write_data16(0x2608);
write_cmd_data(POWER_CONTROL_2, 0x10);
write_cmd(VCOM_CONTROL_1);
write_data16(0x353E);
write_cmd_data(VCOM_CONTROL_2, 0xB5);
write_cmd_data(INTERFACE_CONTROL, 0x01);
write_data16(0x0000);
write_cmd_data(PIXEL_FORMAT_SET, 0x55); /* 16bit/pixel */
set_orientation(West);
clear_screen();
display.x = 0;
display.y = 0;
display.background = BLACK;
display.foreground = WHITE;
write_cmd(DISPLAY_ON);
_delay_ms(50);
write_cmd_data(TEARING_EFFECT_LINE_ON, 0x00);
EICRB |= _BV(ISC61);
PORTB |= _BV(BLC);
}
void fill_rectangle(rectangle r, uint16_t col)
{
write_cmd(COLUMN_ADDRESS_SET);
write_data16(r.left);
write_data16(r.right);
write_cmd(PAGE_ADDRESS_SET);
write_data16(r.top);
write_data16(r.bottom);
write_cmd(MEMORY_WRITE);
/* uint16_t x, y;
for(x=r.left; x<=r.right; x++)
for(y=r.top; y<=r.bottom; y++)
write_data16(col);
*/
uint16_t wpixels = r.right - r.left + 1;
uint16_t hpixels = r.bottom - r.top + 1;
uint8_t mod8, div8;
uint16_t odm8, odd8;
if (hpixels > wpixels) {
mod8 = hpixels & 0x07;
div8 = hpixels >> 3;
odm8 = wpixels*mod8;
odd8 = wpixels*div8;
} else {
void fill_rectangle_indexed_scale(rectangle r, uint16_t* col, int s) {
uint16_t x, y, i, j, k;
write_cmd(COLUMN_ADDRESS_SET);
//write_data16(r.left);
//write_data16(r.left + ((r.right - r.left + 1) * s) - 1);
write_data16(r.left * s);
write_data16(r.right * s);
write_cmd(PAGE_ADDRESS_SET);
//write_data16(r.top);
//write_data16(r.top + ((r.bottom - r.top + 1) * s) - 1);
write_data16(r.top * s);
write_data16(r.bottom * s);
write_cmd(MEMORY_WRITE);
for(x = 0; x < (r.right - r.left); x++) {
for(i = 0; i < s; i++) {
for(y = 0; y < (r.bottom - r.top); y++) {
k = (x * (r.bottom - r.top)) + y;
for(j = 0; j < s; j++) {
write_data16(*(col + k));
}
}
}
}
}
void display_char(char c)
{
uint16_t x, y;
PGM_P fdata;
uint8_t bits, mask;
uint16_t sc=display.x, ec=display.x + 4, sp=display.y, ep=display.y + 7;
/* ::: MODIFIED ::: [KPZ-05.01.2014] */
/* Carriage return starts a new line, or if the end of the
display has been reached, clears the display.
*/
if (c == '\n') {
display.x=0; display.y+=8;
if (display.y >= display.height) { clear_screen(); }
return;
}
if (c < 32 || c > 126) return;
fdata = (c - ' ')*5 + font5x7;
write_cmd(PAGE_ADDRESS_SET);
write_data16(sp);
write_data16(ep);
for(x=sc; x<=ec; x++) {
write_cmd(COLUMN_ADDRESS_SET);
write_data16(x);
write_data16(x);
write_cmd(MEMORY_WRITE);
bits = pgm_read_byte(fdata++);
for(y=sp, mask=0x01; y<=ep; y++, mask<<=1)
write_data16((bits & mask) ? display.foreground : display.background);
}
write_cmd(COLUMN_ADDRESS_SET);
write_data16(x);
write_data16(x);
write_cmd(MEMORY_WRITE);
for(y=sp; y<=ep; y++)
write_data16(display.background);
display.x += 6;
if (display.x >= display.width) { display.x=0; display.y+=8; }
}
void fill_rectangle_bitmap(rectangle r, uint16_t* bitmap, uint16_t foreground, uint16_t background) {
uint16_t x, y, i;
write_cmd(COLUMN_ADDRESS_SET);
write_data16(r.left);
write_data16(r.right);
write_cmd(PAGE_ADDRESS_SET);
write_data16(r.top);
write_data16(r.bottom);
write_cmd(MEMORY_WRITE);
i = 0;
for(x = r.left; x <= r.right; x++) {
for(y = r.top; y <= r.bottom; y++) {
if((*bitmap) & (1 << i)) {
write_data16(foreground);
} else {
write_data16(background);
}
if(++i == 16) {
i = 0;
bitmap++;
}
}
}
}
LLDSPEC void gdisp_lld_write_color(GDisplay *g) {
write_data16(g, gdispColor2Native(g->p.color));
}
LLDSPEC bool_t gdisp_lld_init(GDisplay *g) {
LCD_Parameters * lcdp;
// The private area for this controller is the LCD timings
lcdp = (void *)&DisplayTimings[g->controllerdisplay];
g->priv = lcdp;
// Initialise the board interface
init_board(g);
// Hardware reset
setpin_reset(g, TRUE);
gfxSleepMilliseconds(20);
setpin_reset(g, FALSE);
gfxSleepMilliseconds(20);
// Get the bus for the following initialisation commands
acquire_bus(g);
write_index(g, SSD1963_SOFT_RESET);
gfxSleepMilliseconds(5);
/* Driver PLL config */
write_index(g, SSD1963_SET_PLL_MN);
write_data(g, 35); // PLLclk = REFclk (10Mhz) * 36 (360Mhz)
write_data(g, 2); // SYSclk = PLLclk / 3 (120MHz)
write_data(g, 4); // Apply calculation bit, else it is ignored
write_reg(g, SSD1963_SET_PLL, 0x01); // Enable PLL
gfxSleepMilliseconds(5);
write_reg(g, SSD1963_SET_PLL, 0x03); // Use PLL
gfxSleepMilliseconds(5);
write_index(g, SSD1963_SOFT_RESET);
gfxSleepMilliseconds(5);
/* Screen size */
write_index(g, SSD1963_SET_GDISP_MODE);
write_data(g, 0x18); //Enabled dithering
write_data(g, 0x00);
write_data16(g, lcdp->width-1);
write_data16(g, lcdp->height-1);
write_data(g, 0x00); // RGB
write_reg(g, SSD1963_SET_PIXEL_DATA_INTERFACE, SSD1963_PDI_16BIT565);
/* LCD Clock specs */
write_index(g, SSD1963_SET_LSHIFT_FREQ);
write_data(g, (lcdp->fpr >> 16) & 0xFF);
write_data(g, (lcdp->fpr >> 8) & 0xFF);
write_data(g, lcdp->fpr & 0xFF);
write_index(g, SSD1963_SET_HORI_PERIOD);
write_data16(g, lcdp->hperiod);
write_data16(g, lcdp->hpulse + lcdp->hbporch);
write_data(g, lcdp->hpulse);
write_data(g, 0x00);
write_data(g, 0x00);
write_data(g, 0x00);
write_index(g, SSD1963_SET_VERT_PERIOD);
write_data16(g, lcdp->vperiod);
write_data16(g, lcdp->vpulse + lcdp->vbporch);
write_data(g, lcdp->vpulse);
write_data(g, 0x00);
write_data(g, 0x00);
/* Tear effect indicator ON. This is used to tell the host MCU when the driver is not refreshing the panel (during front/back porch) */
write_reg(g, SSD1963_SET_TEAR_ON, 0x00);
/* Turn on */
write_index(g, SSD1963_SET_DISPLAY_ON);
/* Turn on the back-light */
set_backlight(g, GDISP_INITIAL_BACKLIGHT);
// Finish Init
post_init_board(g);
// Release the bus
release_bus(g);
/* Initialise the GDISP structure */
g->g.Width = lcdp->width;
g->g.Height = lcdp->height;
g->g.Orientation = GDISP_ROTATE_0;
g->g.Powermode = powerOn;
g->g.Backlight = GDISP_INITIAL_BACKLIGHT;
g->g.Contrast = GDISP_INITIAL_CONTRAST;
return TRUE;
}
