unsigned int LCD_GRAPH_Home(void)
{
LCD_writeByte(LCD_DATA_REG,0x00);
LCD_writeByte(LCD_DATA_REG,0x00);
return(0);
}
//------------------------------------------------------------------------------
//Puts a bit map to LCD
void LCD_drawFullBMP(uint8_t* bitmap)
{
uint8_t page,j;
for (page=0;page<LCD_LINES/LCD_PAGE_HEIGHT;page++){
LCD_setCursorXY(0,page*LCD_PAGE_HEIGHT);
for (j=0;j<LCD_LINE_LENGTH;j++){
LCD_writeByte(pgm_read_byte(&bitmap[page*LCD_LINE_LENGTH+j]));
}
}
}
unsigned int LCD_writeString(uint8_t* Buf, uint16_t bufferLen, uint32_t charDelay)
{
uint16_t bufferIndex;
if(bufferLen<=LCD_BUF_LENGTH)
{
for (bufferIndex = NO_ZERO; bufferIndex < bufferLen+1; bufferIndex++)
{
LCD_writeByte(LCD_DATA_REG, Buf[bufferIndex] - 0x20);
}
return (ERR_NO_ERROR);
}
else
{
for (bufferIndex = 0; bufferIndex < bufferLen+1; bufferIndex++)
{
LCD_writeByte(LCD_DATA_REG, Buf[bufferIndex]);
}
}
return(0);
}
//-----------------------------------------------------------------------
//put a graphical glyph on screen defined by font created with
// created with FontCreator written by F. Maximilian Thiele
// http://www.apetech.de/fontCreator
//
void LCD_putgchar(uint8_t c, uint8_t* font)
{
uint8_t i,j,page,data;
uint8_t x0=LCD_currentX;
uint8_t y0=LCD_currentY;
uint16_t index=0;
uint8_t width=0;
//see font definition .h file for data struct
uint8_t height=pgm_read_byte(font+3);
uint8_t bytes=(height+7)/8;
uint8_t firstChar=pgm_read_byte(font+4);
uint8_t charCount=pgm_read_byte(font+5);
if (c<firstChar || c>firstChar+charCount) return;
c-=firstChar;
for(i=0;i<c;i++)
index+=pgm_read_byte(font+6+i); //6==font width table
index=index*bytes+charCount+6;
width=pgm_read_byte(font+6+c);
for(i=0;i<bytes;i++){
page=i*width;
for(j=0;j<width;j++){
data=pgm_read_byte(font+index+page+j);
if(height<(i+1)*8)
data >>= (i+1)*8-height;
LCD_writeByte(data);
}
LCD_writeByte(0x00);
LCD_setCursorXY(LCD_currentX-width-1,LCD_currentY+8);
}
LCD_setCursorXY(x0+width+1,y0);
}
unsigned int Gpio_init(void)
{
int status;
printk("Inside Gpio_init\n");
status = gpio_request(DA850_LCD_RESET_PIN, "lcd_reset\n");
if(status <0)
printk("\n Error in gpio request for lcd_reset");
status = gpio_request(DA850_LCD_MODE_PIN, "lcd_mode\n");
if(status<0)
printk("\n Error in gpio request for lcd_mode\n");
status = gpio_request(DA850_LCD_FS_PIN, "lcd_fs\n");
if(status<0)
printk("\n Error in gpio request for lcd_fs\n");
gpio_direction_output(DA850_LCD_RESET_PIN, 0);
gpio_direction_output(DA850_LCD_MODE_PIN, 0);
gpio_direction_output(DA850_LCD_FS_PIN, 0);
printk("After Gpio_direction\n");
LCD_writeByte(LCD_INST_REG, 0x00);
return(0);
}
void drawTest(int type){
uint8_t i,j;
uint8_t menuStrings[5][8] = {"Menu1\0","Menu2\0","Menu3\0","Menu4\0","Menu5\0"};
switch (type){
case 0: //simple text on screen
LCD_clr();
LCD_setCursorXY(15,0);
LCD_puts ((uint8_t*)"Hello AVR world!\0");
LCD_putsp((uint8_t*)"This LCD uses KS0107\0",3,3);
LCD_putsp((uint8_t*)"Too long paged text is wrapped automatically\0",5,3);
wait_100x_ms(30);
break;
case 1: //some of the drawing functions
LCD_clr();
LCD_drawLine(0,0,127,63);
LCD_drawLine(0,63,127,0);
LCD_drawRect(10,10,117,53);
LCD_fillCirc(63,31,15);
wait_100x_ms(20);
break;
case 2: //write on screen byte by byte
for(j=0;j<8;j++){
LCD_setCursorXY(0,j*8);
for(i=0;i<LCD_LINE_LENGTH/4;i++){
LCD_writeByte(0b00110011);
LCD_writeByte(0b00110011);
LCD_writeByte(0b11001100);
LCD_writeByte(0b11001100);
}
}
wait_100x_ms(20);
break;
case 3: //scrolling text up->down
LCD_clr();
LCD_setCursorXY(0,0);
LCD_puts((uint8_t*)"Scrolling text\n goes here..!\0");
i=63;
j=110;
while(j>0){
_delay_ms(30);
LCD_selectLeftChip();
LCD_setInitialLineAddress(i);
LCD_selectRightChip();
LCD_setInitialLineAddress(i);
if (i==0) i=63;
else i--;
j--;
}
LCD_clr();
LCD_selectLeftChip();
LCD_setInitialLineAddress(0);
LCD_selectRightChip();
LCD_setInitialLineAddress(0);
break;
case 4: //using invert for menus
for(i=0;i<5;i++){
LCD_putsp(menuStrings[i],i+1,25);
}
j=2;
while(j--){
LCD_invertPage(1,20,58);
wait_100x_ms(3);
for(i=0;i<5;i++){
wait_100x_ms(3);
LCD_invertPage(i+1,20,58);
if(i<4)
LCD_invertPage(i+2,20,58);
wait_100x_ms(3);
}
}
break;
case 5: //read status (on /off)
j=4;
while(j--){
LCD_clr();
if(!LCD_isOff()){
LCD_putsp((uint8_t*)"LCD is On\0",1,10);
wait_100x_ms(5);
LCD_off();
}
else {
wait_100x_ms(5);
LCD_on();
LCD_putsp((uint8_t*)"LCD was Off\0",1,10);
wait_100x_ms(5);
}
}
break;
case 6: //"progress bar"
LCD_clr();
LCD_drawRect(5,5,122,58);
LCD_putsp((uint8_t*)"Prosessing...\0",2,16);
LCD_drawRect(10,30,113,41);
for(j=0;j<100;j++){
LCD_setCursorXY(12+j,32);
LCD_writeByte(0xff);
wait_100x_ms(1);
}
LCD_putsp((uint8_t*)"Done! \0",2,16);
wait_100x_ms(10);
break;
case 7:
LCD_clr();
LCD_drawFullBMP(girl_1_glcd_bmp);
wait_100x_ms(20);
break;
case 8:
i=0b10101010;
LCD_clr();
LCD_drawBMP((uint8_t*)atmel_glcd_bmp, 12, 12,
ATMEL_GLCD_WIDTH,ATMEL_GLCD_HEIGHT);
wait_100x_ms(20);
break;
case 9:
LCD_clr();
LCD_putgstr((uint8_t*)"Corsiva 12 test", Corsiva_12,10,10);
LCD_putgstr((uint8_t*)"qwertyhjkl12345", Corsiva_12,12,30);
// LCD_putgstr((uint8_t*)"putgstr() test",Arial_Bold_14,10,10);
//LCD_putgstr((uint8_t*)"1q2w3e4r5t6y8u9i0l",Arial_Bold_14,10,30);
wait_100x_ms(20);
}
}
unsigned int LCD_Test(void)
{
unsigned char low_byte1;
unsigned char x, y;
int i=1;
//write text home address=0000h
LCD_writeByte(LCD_DATA_REG, 0x00);
LCD_writeByte(LCD_DATA_REG, 0x00);
LCD_writeByte(LCD_INST_REG , 0x40);
//write text area address
low_byte1 =128 /8;
LCD_writeByte(LCD_DATA_REG, low_byte1);
LCD_writeByte(LCD_DATA_REG, 0x00);
LCD_writeByte(LCD_INST_REG , 0x41);
//set display mode Display mode set (Graphic only enable)
LCD_writeByte(LCD_INST_REG , 0x80);
LCD_writeByte(LCD_INST_REG , 0x94);
//set character on graphics off
LCD_writeByte(LCD_INST_REG , 0x94);
LCD_writeByte(LCD_DATA_REG, 0x00);
LCD_writeByte(LCD_DATA_REG, 0x00);
//set address pointer
LCD_writeByte(LCD_INST_REG , 0x24);
//set auto write
LCD_writeByte(LCD_INST_REG , 0xB0);
//lcd_write(LCD_DATA_REG, 0x21);
for (y=0; y<64/8;y++)
{
for (x=0; x<128/8;x++)
{
LCD_writeByte(LCD_DATA_REG, i);
if(i<128)
{
i++;
}
else
{
i=33;
}
}
}
//set auto write reset
LCD_writeByte(LCD_INST_REG , 0xB2);
return(0);
}
unsigned int LCD_TextArea(void)
{
LCD_writeByte(LCD_DATA_REG,0x15);
LCD_writeByte(LCD_DATA_REG,0x00);
return(0);
}
unsigned int LCD_TextHome(void)
{
LCD_writeByte(LCD_DATA_REG,0x40);
LCD_writeByte(LCD_DATA_REG,0x05);
return(0);
}