void GLCD_bitmap (unsigned int x, unsigned int y, unsigned int w, unsigned int h, const unsigned short *bitmap) {
unsigned int i;
unsigned int len = w*h;
const unsigned short *bitmap_ptr = (const unsigned short *)bitmap;
#ifdef ILI9341
ili9341_set_window (x, x + w-1, y, y + h - 1);
for (i = 0; i < len; i++) {
wr_dat(*bitmap_ptr++);
}
#else
wr_reg(0x50, y); /* Horizontal GRAM Start Address */
wr_reg(0x51, y+h-1); /* Horizontal GRAM End Address (-1) */
wr_reg(0x52, x); /* Vertical GRAM Start Address */
wr_reg(0x53, x+w-1); /* Vertical GRAM End Address (-1) */
wr_reg(0x20, y);
wr_reg(0x21, x);
Clr_Cs;
wr_cmd(0x22);
for (i = 0; i < len; i++) {
wr_dat(*bitmap_ptr++);
}
Set_Cs;
#endif
}
/*******************************************************************************
* Draw character on given position (line, coloum *
* Parameter: x : horizontal position *
* y : vertical position *
* c*: pointer to color value *
* Return: *
*******************************************************************************/
void GLCD_drawChar(unsigned int x, unsigned int y, unsigned short *c) {
#ifdef ILI9341
unsigned int index = 0;
int i = 0;
ili9341_set_window (y, y + 15, x, x + 23);
for(index = 0; index < 24; index++)
{
for(i = 0; i < 16; i++)
{
if((c[index] & (1 << i)) == 0x00) {
wr_dat(BackColor);
} else {
wr_dat(TextColor);
}
}
}
#else /* ILI9341 */
unsigned int index = 0;
int i = 0;
unsigned int Xaddress = 0;
Xaddress = x;
wr_reg(0x21, y);
wr_reg(0x20, Xaddress);
for(index = 0; index < 24; index++)
{
Clr_Cs;
wr_cmd(0x22); /* Prepare to write GRAM */
for(i = 0; i <= 15; i++)
{
if((c[index] & (1 << i)) == 0x00) {
wr_dat(BackColor);
} else {
wr_dat(TextColor);
}
}
Set_Cs;
Xaddress++;
wr_reg(0x21, y);
wr_reg(0x20, Xaddress);
}
#endif /* ILI9341 */
}
void GLCD_SetCursor(unsigned short x, unsigned short y)
{
#ifdef ILI9341
ili9341_set_window (x, x, y, y);
#else
wr_reg(0x20,x);
wr_reg(0x21,y);
#endif
}
static void ili9341_copy(struct ili9341 *ili, unsigned int index)
{
unsigned int ystart, yend;
int chstart, chend;
unsigned int x;
unsigned int y;
unsigned short *buffer, *oldbuffer;
unsigned int len;
x = ili->pages[index].x;
y = ili->pages[index].y;
len = ili->pages[index].len;
ystart = y;
yend = y+(len/(ILI9341_TFTWIDTH))+1;
dev_dbg(ili->dev,
"%s: page[%u]: x=%3hu y=%3hu buffer=0x%p len=%3hu\n",
__func__, index, x, y, buffer, len);
//Move to start of line.
buffer = ili->pages[index].buffer-x;
oldbuffer = ili->pages[index].oldbuffer-x;
x = 0;
//If we arrive here, we basically assume something is written at the lines
//starting with y and lasting the page.
for (y = ystart; y < yend; y++) {
//Find start and end of changed data
chstart = -1;
for (x = 0; x < ILI9341_TFTWIDTH; x++) {
if (buffer[x] != oldbuffer[x]) {
oldbuffer[x] = buffer[x];
if (chstart == -1)
chstart = x;
chend=x;
}
}
if (chstart!=-1) {
/* Something changed this line! chstart and chend
* contain start and end x-coords. */
ili9341_set_window(ili, chstart, y, chend, y);
ili9341_spi_write_datablock(ili, &buffer[chstart], chend - chstart);
}
buffer += ILI9341_TFTWIDTH;
oldbuffer += ILI9341_TFTWIDTH;
}
}
void GLCD_clear (unsigned short color) {
unsigned int i;
#ifdef ILI9341
ili9341_set_window(0, WIDTH, 0, HEIGHT);
for(i = 0; i < (WIDTH*HEIGHT); i++)
{
wr_dat(color);
}
#else
wr_reg(0x20, 0);
wr_reg(0x21, 0);
Clr_Cs;
wr_cmd(0x22);
for(i = 0; i < (WIDTH*HEIGHT); i++)
{
wr_dat(color);
}
Set_Cs;
#endif
}
static inline int ili9341_init_chip(struct ili9341 *ili)
{
int ret = 0;
#ifdef SCREEN_TEST
int x,y;
#endif
ili9341_reset(ili);
ili9341_send_command(ili, 0xEF);
ili9341_send_byte(ili, 0x03);
ili9341_send_byte(ili, 0x80);
ili9341_send_byte(ili, 0x02);
ili9341_send_command(ili, 0xCF);
ili9341_send_byte(ili, 0x00);
ili9341_send_byte(ili, 0XC1);
ili9341_send_byte(ili, 0X30);
ili9341_send_command(ili, 0xED);
ili9341_send_byte(ili, 0x64);
ili9341_send_byte(ili, 0x03);
ili9341_send_byte(ili, 0X12);
ili9341_send_byte(ili, 0X81);
ili9341_send_command(ili, 0xE8);
ili9341_send_byte(ili, 0x85);
ili9341_send_byte(ili, 0x00);
ili9341_send_byte(ili, 0x78);
ili9341_send_command(ili, 0xCB);
ili9341_send_byte(ili, 0x39);
ili9341_send_byte(ili, 0x2C);
ili9341_send_byte(ili, 0x00);
ili9341_send_byte(ili, 0x34);
ili9341_send_byte(ili, 0x02);
ili9341_send_command(ili, 0xF7);
ili9341_send_byte(ili, 0x20);
ili9341_send_command(ili, 0xEA);
ili9341_send_byte(ili, 0x00);
ili9341_send_byte(ili, 0x00);
ili9341_send_command(ili, ILI9341_PWCTR1); //Power control
ili9341_send_byte(ili, 0x23); //VRH[5:0]
ili9341_send_command(ili, ILI9341_PWCTR2); //Power control
ili9341_send_byte(ili, 0x10); //SAP[2:0];BT[3:0]
ili9341_send_command(ili, ILI9341_VMCTR1); //VCM control
ili9341_send_byte(ili, 0x3e); //¶Ô±È¶Èµ÷½Ú
ili9341_send_byte(ili, 0x28);
ili9341_send_command(ili, ILI9341_VMCTR2); //VCM control2
ili9341_send_byte(ili, 0x86); //--
ili9341_send_command(ili, ILI9341_MADCTL); // Memory Access Control
ili9341_send_byte(ili, 0x48);
ili9341_send_command(ili, ILI9341_PIXFMT);
ili9341_send_byte(ili, 0x55);
ili9341_send_command(ili, ILI9341_FRMCTR1);
ili9341_send_byte(ili, 0x00);
ili9341_send_byte(ili, 0x18);
ili9341_send_command(ili, ILI9341_DFUNCTR); // Display Function Control
ili9341_send_byte(ili, 0x08);
ili9341_send_byte(ili, 0x82);
ili9341_send_byte(ili, 0x27);
ili9341_send_command(ili, 0xF2); // 3Gamma Function Disable
ili9341_send_byte(ili, 0x00);
ili9341_send_command(ili, ILI9341_GAMMASET); //Gamma curve selected
ili9341_send_byte(ili, 0x01);
ili9341_send_command(ili, ILI9341_GMCTRP1); //Set Gamma
ili9341_send_byte(ili, 0x0F);
ili9341_send_byte(ili, 0x31);
ili9341_send_byte(ili, 0x2B);
ili9341_send_byte(ili, 0x0C);
ili9341_send_byte(ili, 0x0E);
ili9341_send_byte(ili, 0x08);
ili9341_send_byte(ili, 0x4E);
ili9341_send_byte(ili, 0xF1);
ili9341_send_byte(ili, 0x37);
ili9341_send_byte(ili, 0x07);
ili9341_send_byte(ili, 0x10);
ili9341_send_byte(ili, 0x03);
ili9341_send_byte(ili, 0x0E);
ili9341_send_byte(ili, 0x09);
ili9341_send_byte(ili, 0x00);
ili9341_send_command(ili, ILI9341_GMCTRN1); //Set Gamma
ili9341_send_byte(ili, 0x00);
ili9341_send_byte(ili, 0x0E);
ili9341_send_byte(ili, 0x14);
ili9341_send_byte(ili, 0x03);
ili9341_send_byte(ili, 0x11);
ili9341_send_byte(ili, 0x07);
ili9341_send_byte(ili, 0x31);
ili9341_send_byte(ili, 0xC1);
ili9341_send_byte(ili, 0x48);
ili9341_send_byte(ili, 0x08);
ili9341_send_byte(ili, 0x0F);
ili9341_send_byte(ili, 0x0C);
ili9341_send_byte(ili, 0x31);
ili9341_send_byte(ili, 0x36);
ili9341_send_byte(ili, 0x0F);
ili9341_send_command(ili, ILI9341_SLPOUT); //Exit Sleep
mdelay(120);
ili9341_set_orientation(ili, ILI9341_SWITCH_XY | ILI9341_FLIP_X);
ili9341_send_command(ili, ILI9341_DISPON); //Display on
#ifdef SCREEN_TEST
ili9341_set_window(ili, 0, 0, ILI9341_TFTWIDTH, ILI9341_TFTHEIGHT);
for(y=ILI9341_TFTHEIGHT; y>0; y--) {
for(x=ILI9341_TFTWIDTH; x>0; x--) {
ili9341_send_byte(ili, 0x55);
ili9341_send_byte(ili, 0x55);
}
}
#endif
/* if (ret != 0) {
dev_err(ili->dev, "failed to initialise display\n");
return ret;
}*/
ili->initialised = 1;
return ret;
}
