void lcd_invert()
{
for ( uint8_t pageloop = 0; pageloop < 8; pageloop++ )
{
wait_while_busy(CHIP1);
wait_while_busy(CHIP2);
lcd_cmd_write(CMD_LCD_SET_ADDRESS|ADDRESS0, CHIP1|CHIP2);
lcd_cmd_write(CMD_LCD_SET_PAGE|pageloop, CHIP1|CHIP2);
lcd_dummy_read(CHIP1);
lcd_dummy_read(CHIP2);
for ( uint8_t chip = CHIP1; chip <= CHIP2; chip++ )
{
uint8_t data[64];
uint8_t loop;
for ( loop = 0; loop < 64; loop++ )
{
wait_while_busy(chip);
data[loop] = lcd_data_read(chip);
}
wait_while_busy(chip);
lcd_cmd_write(CMD_LCD_SET_ADDRESS|ADDRESS0, chip);
for ( loop = 0; loop < 64; loop++ )
{
wait_while_busy(chip);
lcd_data_write(~data[loop], chip);
}
}
}
}
void lcd_print(char *text) {
// Prints a string to the screen (if the current address is in DDRAM)
while (*text != 0) {
lcd_data_write(*text);
++text;
}
}
int lcd_area_clear(uint8_t x, uint8_t y, uint8_t width, uint8_t height)
{
uint8_t t, col, sec, page, trans_x, origin_y;
IF_CONDITION_TURE_RET_PARAM_ERR(width > LCD_W);
IF_CONDITION_TURE_RET_PARAM_ERR(height > LCD_H);
IF_CONDITION_TURE_RET_PARAM_ERR(((height%8) != 0) && (((height/8 + 1)*8)> LCD_H));
origin_y = (y%2) ? (y/2 + 1) : (y/2);
trans_x = 211 - x; //该款液晶原点在右上角
t = (height%8) ? (height/8 +1) : (height/8);
for(sec=0; sec<t; sec++)
{
for(col=0; col<width; col++)
{
lcd_cursor_addr_set(trans_x - col,origin_y+(sec*4));
for(page=0; page<4; page++)
{
lcd_data_write(0x00);
}
}
}
return 0;
}
void lcd_set_pixel(uint8_t x, uint8_t y, char color)
{
uint8_t chip, page;
if ( x < 64 )
chip = CHIP1;
else
{
chip = CHIP2;
x -= 64;
}
page = y/8;
y = y%8;
wait_while_busy(chip);
lcd_cmd_write(CMD_LCD_SET_ADDRESS|x,chip);
lcd_cmd_write(CMD_LCD_SET_PAGE|page,chip);
lcd_dummy_read(chip);
wait_while_busy(chip);
uint8_t data;
data = lcd_data_read(chip);
if (color)
data |= (1<<y);
else
data &= ~(1<<y);
lcd_cmd_write(CMD_LCD_SET_ADDRESS|x,chip);
lcd_data_write(data,chip);
}
void clearLine(unsigned char x, unsigned char y){
unsigned char max_x=20;
GoTo(x,y);
for (int i=x; i<max_x; i++)
{
lcd_data_write(0x20);
_delay_ms(1);
}
GoTo(x,y);
}
// Send a command to the LCD in 4-bit or 8-bit mode.
void
xtl_lcd_hd44780_send_cmd(unsigned char cmd)
{
lcd_data_write(cmd & 0xff);
lcd_delay_ms(1);
xtl_lcd_hd44780_set_rs(0); // set LCD to CMD mode
lcd_delay_ms(1);
xtl_lcd_hd44780_set_rw(0); // set LCD to CMD mode
lcd_delay_ms(1);
xtl_lcd_hd44780_strobe(); // toggle E for LCD
}
void
lcd_putc(
UINT8 u
)
{
xtl_lcd_hd44780_wait_ready();
lcd_data_write(u & 0xff);
lcd_delay_ms(1);
xtl_lcd_hd44780_set_rs(1); // set LCD to DATA mode
xtl_lcd_hd44780_set_rw(0); // set LCD to DATA mode
lcd_delay_ms(1);
xtl_lcd_hd44780_strobe(); // toggle E for LCD
}
void lcd_clear()
{
for(uint8_t y = 0; y < 8; y++)
{
lcd_cmd_write(CMD_LCD_SET_PAGE|y,CHIP1|CHIP2);
lcd_cmd_write(CMD_LCD_SET_ADDRESS|ADDRESS0,CHIP1|CHIP2);
for(uint8_t x = 0; x < 64; x++)
{
lcd_data_write(0x00,CHIP1|CHIP2);
}
lcd_cmd_write(CMD_LCD_SET_PAGE|PAGE0,CHIP1|CHIP2);
lcd_cmd_write(CMD_LCD_SET_ADDRESS|ADDRESS0,CHIP1|CHIP2);
}
}
void draw_bitmap_fullscreen(const uint8_t *image)
{
uint8_t chip;
uint16_t byte = 0;
for(uint8_t y = 0; y < 8; y++)
{
lcd_cmd_write(CMD_LCD_SET_PAGE|y,CHIP1|CHIP2);
lcd_cmd_write(CMD_LCD_SET_ADDRESS|0,CHIP1|CHIP2);
for(uint8_t x = 0; x < 128; x++)
{
if(x<64) chip=1; else chip=2;
lcd_data_write(pgm_read_byte(image+(byte++)),chip);
}
}
}
// Initialize LCD in 4-bit mode.
void
lcd_reset(
void
)
{
// Output pins low and as output (except last pin).
// If R/W is configured, this sets R/W to 0, i.e. write mode.
lcd_enable(0);
xtl_lcd_hd44780_set_rw(0);
xtl_lcd_hd44780_set_rs(0);
// Wait at least 15ms for the LCD to initialise.
lcd_delay_ms(15);
// Reset as per p. 211 of HD44780 user guide.
// Function set (8-bit data, two line mode, 5x7 dots).
lcd_data_write(0x30);
xtl_lcd_hd44780_strobe();
lcd_delay_ms(10); // Need at least 4.1ms according to the guide.
xtl_lcd_hd44780_strobe();
lcd_delay_ms(2); // Need at least 100us according to the guide.
xtl_lcd_hd44780_strobe();
lcd_delay_ms(2); // Don't use BF here either.
// Function set (8-bit data, two line mode, 5x7 dots).
xtl_lcd_hd44780_send_cmd(0x38);
lcd_delay_ms(6);
// Display off
xtl_lcd_hd44780_send_cmd(DISP_OFF);
lcd_delay_ms(5);
// Display clear
xtl_lcd_hd44780_send_cmd(CLR_DISP);
lcd_delay_ms(10);
// Entry mode, increasing cursor position.
xtl_lcd_hd44780_send_cmd(ENTRY_INC);
// Display on.
xtl_lcd_hd44780_wait_ready();
xtl_lcd_hd44780_send_cmd(DISP_ON);
}
//! write a zero-terminated ASCII string to the display
void LCDPutString(char *str) {
char c,index=0;
for (; (c = *str) != 0; str++){
if((c=='\r') || c=='\n');
else
lcd_data_write(c);
index++;
if (index>=20) {
lcd_cmd_write(SET_DRAM_ADDR+line_3);
lcd_wait(WAIT_15m);
index=0;
}
}
}
/***************************************************************************************************
* @fn lcd_disp_bmp
*
* @brief LCD显示图象
* @param null
* @return 0 -- success
* -1 - failure
***************************************************************************************************/
int lcd_disp_bmp(uint8_t x, uint8_t y, uint8_t *p_bmp, uint8_t width, uint8_t height)
{
uint8_t t, col, sec, page, trans_x, origin_y;
uint8_t dat_H4, dat_L4, Shift;
IF_CONDITION_TURE_RET_PARAM_ERR(width > LCD_W);
IF_CONDITION_TURE_RET_PARAM_ERR(height > LCD_H);
IF_CONDITION_TURE_RET_PARAM_ERR(((height%8) != 0) && (((height/8 + 1)*8)> LCD_H));
origin_y = (y%2) ? (y/2 + 1) : (y/2);
trans_x = 211 - x; //该款液晶原点在右上角
t = (height%8) ? (height/8 +1) : (height/8);
for(sec=0; sec<t; sec++)
{
for(col=0; col<width; col++)
{
//lcd_cursor_addr_set(x+col,origin_y+(sec*4));
lcd_cursor_addr_set(trans_x - col,origin_y+(sec*4));
Shift=0x80;
for(page=0; page<4; page++)
{
if((*p_bmp&Shift)==0)
dat_H4=0x00;
else
dat_H4=0xf0;
Shift>>=1;
if((*p_bmp&Shift)==0)
dat_L4=0x00;
else
dat_L4=0x0f;
Shift>>=1;
lcd_data_write(dat_H4|dat_L4);
}
p_bmp++;
}
}
return 0;
}
/***************************************************************************************************
* @fn lcd_char_inv_disp
*
* @brief 反白显示一个字符
* @param x,y -- 液晶坐标
* dispByte -- 要显示的数据
* @return 0 -- success
***************************************************************************************************/
int lcd_char_inv_disp(uint8_t x,uint8_t y,uint8_t dispByte)
{
uint8_t char_index;
uint8_t sec,col,page,trans_x,origin_y,dat_H4,dat_L4,Shift;
uint8_t *pChar;
char_index = dispByte - ' ';
pChar = &ascii_0816[char_index*16];
origin_y = (y%2) ? (y/2 + 1) : (y/2);
trans_x = 211 - x; //该款液晶原点在右上角
for(sec=0; sec<2; sec++)
{
for(col=0; col<8; col++)
{
//lcd_cursor_addr_set(x+col,origin_y+(sec*4));
lcd_cursor_addr_set(trans_x - col,origin_y+(sec*4));
Shift=0x80;
for(page=0; page<4; page++)
{
if(((~(*pChar))&Shift)==0)
dat_H4=0x00;
else
dat_H4=0xf0;
Shift>>=1;
if(((~(*pChar))&Shift)==0)
dat_L4=0x00;
else
dat_L4=0x0f;
Shift>>=1;
lcd_data_write(dat_H4|dat_L4);
}
pChar++;
}
}
return 0;
}
void displayTEMP(void)
{
lcd_data_write( 0b11011111 );
lcd_data_write('C');
}
static int write_char(char c, FILE *stream) {
(void) stream;
lcd_data_write(c);
return 0;
}
void createCustomFont(){
lcd_cmd_write(0x40); //CGRAM
_delay_ms(4);
lcd_data_write(0);
_delay_ms(2);
lcd_data_write(1);
_delay_ms(2);
lcd_data_write(3);
_delay_ms(2);
lcd_data_write(22);
_delay_ms(2);
lcd_data_write(28);
_delay_ms(2);
lcd_data_write(8);
_delay_ms(2);
lcd_data_write(0);
_delay_ms(2);
lcd_data_write(0);
_delay_ms(4);
lcd_data_write(8);
_delay_ms(2);
lcd_data_write(12);
_delay_ms(2);
lcd_data_write(10);
_delay_ms(2);
lcd_data_write(9);
_delay_ms(2);
lcd_data_write(10);
_delay_ms(2);
lcd_data_write(12);
_delay_ms(2);
lcd_data_write(8);
_delay_ms(2);
lcd_data_write(0);
_delay_ms(4);
// lcd_data_write(0x1c);
// _delay_ms(2);
// lcd_data_write(0x1c);
// _delay_ms(2);
// lcd_data_write(0x1c);
// _delay_ms(2);
// lcd_data_write(0x1c);
// _delay_ms(2);
// lcd_data_write(0x1c);
// _delay_ms(2);
// lcd_data_write(0x1c);
// _delay_ms(2);
// lcd_data_write(0x1c);
// _delay_ms(2);
// lcd_data_write(0x1c);
// _delay_ms(4);
//
// lcd_data_write(0x1e);
// _delay_ms(2);
// lcd_data_write(0x1e);
// _delay_ms(2);
// lcd_data_write(0x1e);
// _delay_ms(2);
// lcd_data_write(0x1e);
// _delay_ms(2);
// lcd_data_write(0x1e);
// _delay_ms(2);
// lcd_data_write(0x1e);
// _delay_ms(2);
// lcd_data_write(0x1e);
// _delay_ms(2);
// lcd_data_write(0x1e);
// _delay_ms(10);
lcd_data_write(0x80); //DD RAM
}
void lcd_putchar( int c )
{
lcd_data_write( c );
}
void setLCD( void )
{
delayMs(1,50);
lcd_command_write(0b00101001); // function set - 4-bit interface
delayMs(1,2);
lcd_command_write(0b00001000); // display off
delayMs(1,2);
lcd_clear();
lcd_command_write(0b00000110); // cursor move direction
delayMs(1,2);
// setup custom characters
lcd_command_write(0b01000000); // move to first CGRAM location
delayMs(1,2);
lcd_data_write(0b00000000); delayMs(1,2); // 0x00
lcd_data_write(0b00000011); delayMs(1,2);
lcd_data_write(0b00000100); delayMs(1,2);
lcd_data_write(0b00001000); delayMs(1,2);
lcd_data_write(0b00010000); delayMs(1,2);
lcd_data_write(0b00010000); delayMs(1,2);
lcd_data_write(0b00010000); delayMs(1,2);
lcd_data_write(0b00010000); delayMs(1,2);
lcd_data_write(0b00010000); delayMs(1,2); // 0x01
lcd_data_write(0b00010000); delayMs(1,2);
lcd_data_write(0b00010000); delayMs(1,2);
lcd_data_write(0b00010000); delayMs(1,2);
lcd_data_write(0b00010000); delayMs(1,2);
lcd_data_write(0b00001000); delayMs(1,2);
lcd_data_write(0b00000111); delayMs(1,2);
lcd_data_write(0b00000000); delayMs(1,2);
lcd_data_write(0b00011111); delayMs(1,2); // 0x02
lcd_data_write(0b00000000); delayMs(1,2);
lcd_data_write(0b00000000); delayMs(1,2);
lcd_data_write(0b00000000); delayMs(1,2);
lcd_data_write(0b00000000); delayMs(1,2);
lcd_data_write(0b00000000); delayMs(1,2);
lcd_data_write(0b00000000); delayMs(1,2);
lcd_data_write(0b00001111); delayMs(1,2);
lcd_data_write(0b00010010); delayMs(1,2); // 0x03
lcd_data_write(0b00001001); delayMs(1,2);
lcd_data_write(0b00001001); delayMs(1,2);
lcd_data_write(0b00001001); delayMs(1,2);
lcd_data_write(0b00001001); delayMs(1,2);
lcd_data_write(0b00010010); delayMs(1,2);
lcd_data_write(0b00001100); delayMs(1,2);
lcd_data_write(0b00000000); delayMs(1,2);
lcd_data_write(0b00011111); delayMs(1,2); // 0x04
lcd_data_write(0b00000000); delayMs(1,2);
lcd_data_write(0b00000000); delayMs(1,2);
lcd_data_write(0b00000000); delayMs(1,2);
lcd_data_write(0b00000000); delayMs(1,2);
lcd_data_write(0b00000000); delayMs(1,2);
lcd_data_write(0b00000000); delayMs(1,2);
lcd_data_write(0b00011111); delayMs(1,2);
lcd_data_write(0b00011100); delayMs(1,2); // 0x05
lcd_data_write(0b00000010); delayMs(1,2);
lcd_data_write(0b00000001); delayMs(1,2);
lcd_data_write(0b00000111); delayMs(1,2);
lcd_data_write(0b00000001); delayMs(1,2);
lcd_data_write(0b00000001); delayMs(1,2);
lcd_data_write(0b00000010); delayMs(1,2);
lcd_data_write(0b00011100); delayMs(1,2);
lcd_command_write(0b00000010); // cursor home
delayMs(1,2);
lcd_command_write(0b00001100); // display on
delayMs(1,2);
lcd_gotoxy(0, 0);
delayMs(1,2);
lcd_clear();
}
