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 GoTo(unsigned char x, unsigned char y){
switch (y) {
case 0:
lcd_cmd_write(SET_DRAM_ADDR+x);
lcd_wait(WAIT_15m);
break;
case 1:
lcd_cmd_write(SET_DRAM_ADDR+line_1+x);
lcd_wait(WAIT_15m);
break;
case 2:
lcd_cmd_write(SET_DRAM_ADDR+line_2+x);
lcd_wait(WAIT_15m);
break;
case 3:
lcd_cmd_write(SET_DRAM_ADDR+line_3+x);
lcd_wait(WAIT_15m);
break;
default:
break;
}
}
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);
}
/***************************************************************************************************
* @fn lcd_cursor_addr_set
*
* @brief LCD数据批量写入
* @param x,y坐标
* @return 0 -- success
***************************************************************************************************/
int lcd_cursor_addr_set(uint8_t x, uint8_t y)
{
lcd_cmd_write(x&0x0F); //Set Column Address LSB CA[3:0]
lcd_cmd_write((x>>4)|0x10); //Set Column Address MSB CA[7:4]
lcd_cmd_write((y&0x0F)|0x60); //Set Row Address LSB RA [3:0]
lcd_cmd_write(((y>>4)&0x0F)|0x70); //Set Row Address MSB RA [7:4]
return 0;
}
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 lcd_init()
{
lcd_select_chip(CHIP1|CHIP2);
LOW(RST_PORT,RST_PIN);//reset
_delay_ms(30);
HIGH(RST_PORT,RST_PIN);
lcd_cmd_write(CMD_LCD_ON,CHIP1|CHIP2);
lcd_cmd_write(CMD_LCD_DISP_START|LINE0,CHIP1|CHIP2);
lcd_cmd_write(CMD_LCD_SET_ADDRESS|ADDRESS0,CHIP1|CHIP2);
lcd_cmd_write(CMD_LCD_SET_PAGE|PAGE0,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);
}
}
}
//! 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;
}
}
}
void lcd_init() // Works like a constructor
{
// Power on delay
lcd_direction |= 0xfc; // set port a as output
lcd_wait( 20000 ); // Power on wait
lcd_wait( 20000 );
lcd_port &= ~((1<<lcd_E) | (1<<lcd_RS)); // EN=0, RS=0
// lcd_port &= ~(1<<lcd_RW); // Set RW = 0 in case it is connected
lcd_nibble_transfer(SET_FUNCTION+IN8_BIT);
//lcd_wait(longdelay ); // wait 24 ms
_delay_ms(24);
lcd_nibble_transfer(SET_FUNCTION+IN8_BIT);
//lcd_wait(longdelay);
_delay_ms(24);
lcd_nibble_transfer(SET_FUNCTION+IN8_BIT);
//lcd_wait(longdelay);
_delay_ms(24);
lcd_nibble_transfer(SET_FUNCTION);
// lcd_wait(longdelay);
_delay_ms(24);
lcd_cmd_write(SET_FUNCTION+LN2_BIT); // Function set: 0x28 2 lines
// lcd_wait(WAIT_15m); // Wait 39 uS
_delay_ms(2);
lcd_cmd_write(SET_DISPLAY); //display off
//lcd_wait(WAIT_15m);
_delay_ms(2);
lcd_cmd_write(CLR_DISPLAY); // Display clear: 0x01 clear data
// lcd_wait(WAIT_15m); // 1.53 mS
_delay_ms(2);
lcd_cmd_write(SET_ENTRY_MODE+INC_BIT); // +INC_BIT // Entry mode set: shift cursor 1 position to right
// lcd_wait(WAIT_15m);
_delay_ms(2);
lcd_cmd_write(SET_DISPLAY+ON_BIT+CUR_BIT+BLK_BIT); //+CUR_BIT+BLK_BIT); Display ON/OFF control: 0x0f
// lcd_wait(WAIT_15m); // Wait 39 uS // 1.53 mS
//lcd_wait(WAIT_15m); // 1.53 mS
_delay_ms(2);
createCustomFont();
_delay_ms(2);
lcd_cmd_write(RTN_HOME);
} // end lcd_init()
/***************************************************************************************************
* @fn lcd_init
*
* @brief LCD设备初始化
* @param NULL
* @return null
***************************************************************************************************/
void lcd_init(void)
{
lcd_regist();
//背光开启
GPIO_SetBits(LCD_BL_PORT, LCD_BL_PIN);
GPIO_SetBits(LCD_BLW_PORT, LCD_BLW_PIN);
//LCD RST
LCD_RST_LOW();
delay_ms(1);
LCD_RST_HIGH();
delay_ms(300);
//LCD 寄存器
lcd_cmd_write(0x2F); //Internal pump control
delay_ms(20);
lcd_cmd_write(0x24); //Temperature compensation
lcd_cmd_write(0xE9); //set bias=1/10
lcd_cmd_write(0x81); //Set Vop
lcd_cmd_write(160+25);
lcd_cmd_write(0xA2); //set line rate:28KLPS
lcd_cmd_write(0x28); //set pannel loading
lcd_cmd_write(0x40); //scroll line LSB
lcd_cmd_write(0x50); //SCROLL LINE MSB
// lcd_cmd_write(0x89); //ram address control
lcd_cmd_write(0x8B); //ram address control, PAGE increment first
lcd_cmd_write(0xC0); //LCD mapping control
// lcd_cmd_write(0x04); //MX=0,MY=1
lcd_cmd_write(0x01); //MX=0,MY=0,MSF=1
lcd_cmd_write(0xD0); //DISPLAY PATTERN = 16-SCALE GRAY
lcd_cmd_write(0xF1); //SET COM end
lcd_cmd_write(0x3F); //64
lcd_cmd_write(0xF8); //Set Window Program inside.
lcd_cmd_write(0xF5); //starting row address of RAM program window.PAGE1
lcd_cmd_write(0x00);
lcd_cmd_write(0xF7); //end row address of RAM program window.PAGE32
lcd_cmd_write(0x1F);
lcd_cmd_write(0xF4); //start column address of RAM program window.
lcd_cmd_write(0x00);
// lcd_cmd_write(0xEF);
lcd_cmd_write(0xF6); //end column address of RAM program window.SEG212
lcd_cmd_write(0xD3);
// lcd_cmd_write(0x1B);
lcd_cmd_write(0xAF); //dc2=1, IC into exit SLEEP MODE, dc3=1 gray=ON, dc4=1 Green Enhanc mode disabled
delay_ms(20); //needed for internal DC-DC converter startup
printf("lcd init over! @ %s,%s,%d\r\n", __FILE__, __func__, __LINE__);
}
//clear the display
void lcdClear(void) {
lcd_cmd_write(CLR_DISPLAY);
lcd_wait(WAIT_15m);
lcd_cmd_write(CLR_DISPLAY+RTN_HOME);
lcd_wait(WAIT_15m);
}
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
}
// Upper 4 bits are data.
void lcd_write_ins_once(uint8_t data)
{
lcd_cmd_write(data);
}
