void LCD_init(void)
{
_delay_ms(50);
// 연결 핀을 출력으로 설정
if(MODE == 8) DDR_DATA |= 0xFF;
else DDR_DATA |= 0xF0;
DDR_CONTROL |= (1 << RS_PIN) | (1 << E_PIN);
if(MODE == 8)
LCD_write_command(COMMAND_8_BIT_MODE); // 8비트 모드
else{
LCD_write_command(0x02); // 4비트 모드 추가 명령
LCD_write_command(COMMAND_4_BIT_MODE); // 4비트 모드
}
// display on/off control
// 화면 on, 커서 off, 커서 깜빡임 off
uint8_t command = 0x08 | (1 << COMMAND_DISPLAY_ON_OFF_BIT);
LCD_write_command(command);
LCD_clear(); // 화면 지움
// Entry Mode Set
// 출력 후 커서를 오른쪽으로 옮김, 즉, DDRAM의 주소가 증가하며 화면 이동은 없음
LCD_write_command(0x06);
}
static rt_err_t rt_lcd1602_control(rt_device_t dev, rt_uint8_t cmd, void *args)
{
switch (cmd)
{
case DispClear:
//LcdUserData.CurCmd = DispEnd;
LCD_write_command(0x01);
break;
case DispConnecting:
LcdUserData.CurCmd = DispConnecting;
LcdUserData.CurStartIndex = 0;
//if (lcd_thread_filename != RT_NULL)
//rt_thread_resume(lcd_thread_filename);
//if (lcd_thread_connect != RT_NULL)
//rt_thread_resume(lcd_thread_connect);
break;
case DispProcessing:
LcdUserData.CurCmd = DispProcessing;
LcdUserData.Percent = *((uint8_t*)args);
break;
case DispEnd:
LcdUserData.CurCmd = DispEnd;
break;
}
return RT_EOK;
}
void LCD_set_xy( unsigned char x, unsigned char y ) //写地址函数
{
unsigned char address;
if (y == 0) address = 0x80 + x;
else address = 0xc0 + x;
LCD_write_command(address);
}
void LCD_goto_XY(uint8_t row, uint8_t col)
{
col %= 16; // [0 15]
row %= 2; // [0 1]
// 첫째 라인 시작 주소는 0x00, 둘째 라인 시작 주소는 0x40
uint8_t address = (0x40 * row) + col;
uint8_t command = 0x80 + address;
LCD_write_command(command); // 커서 이동
}
int LCD_PutStr(unsigned char *DData,int pos, int size)
{
unsigned char i;
if(pos==-1)
{
LCD_write_command(0x01); //清屏
rt_thread_delay(2);
pos=0;
}
while ((*DData)!='\0' && size)
{
switch(*DData)
{
case '\n': //如果是\n，则换行
{
if(pos<17)
{
for(i=pos; i<16; i++) LCD_write_char(i%16, i/16, ' ');
pos=16;
}
else
{
for(i=pos; i<32; i++) LCD_write_char(i%16, i/16, ' ');
pos=0;
}
break;
}
case '\b': //如果是\b，则退格
{
if(pos>0) pos--;
LCD_write_char(pos%16, pos/16, ' ');
break;
}
default:
{
if((*DData)<0x20)
{
*DData=' ';
}
LCD_write_char(pos%16, pos/16, *DData);
pos++;
break;
}
}
DData++;
size--;
}
return(pos);
}
void set_temp_init(void) {
u16 value;
u08 step = 0, empty, tmp[2];
u08 day[3], month[3], year[5];
u08 temp1[3], temp2[3];
u08 skipLoop = 0;
LCD_write_command(0x0f);
waitms(20);
do {
empty = 0;
LCD_gotoxy((2 + step), 2);
value = decode_rc5();
switch (value) {
case KEY_0: {
LCD_puts("0");
strcpy(tmp, "0");
break;
}
case KEY_1: {
LCD_puts("1");
strcpy(tmp, "1");
break;
}
case KEY_2: {
LCD_puts("2");
strcpy(tmp, "2");
break;
}
case KEY_3: {
LCD_puts("3");
strcpy(tmp, "3");
break;
}
case KEY_4: {
LCD_puts("4");
strcpy(tmp, "4");
break;
}
case KEY_5: {
LCD_puts("5");
strcpy(tmp, "5");
break;
}
case KEY_6: {
LCD_puts("6");
strcpy(tmp, "6");
break;
}
case KEY_7: {
LCD_puts("7");
strcpy(tmp, "7");
break;
}
case KEY_8: {
LCD_puts("8");
strcpy(tmp, "8");
break;
}
case KEY_9: {
LCD_puts("9");
strcpy(tmp, "9");
break;
}
case KEY_LEFT: {
if (step == 5) {
step -= 4;
} else if (step == 11) {
step -= 5;
} else {
step--;
}
skipLoop = 1;
break;
}
case KEY_RIGHT: {
empty = 1;
break;
}
default: {
step--;
empty = 1;
break;
}
}
if(skipLoop) {
skipLoop = 0;
continue;
}
if (!empty) {
switch (step) {
case 0:
strcpy(temp1, tmp);
break;
case 1:
strcat(temp1, tmp);
break;
case 5:
strcpy(temp2, tmp);
break;
case 6:
strcat(temp2, tmp);
break;
default:
break;
}
}
step++;
if (step == 2)
step += 3;
if (step == 7)
step += 4;
} while (step <= 11);
LCD_write_command(0x0C);
if (m_dayTemp >= 0 && m_nightTemp >= 0) {
m_requiresSettings |= SETTING_TEMP;
}
m_dayTemp = (atoi(temp1) % 90);
m_nightTemp = (atoi(temp2) % 90);
m_offsetTemp = (atoi(tmp) % 90);
}
void LCD_clear(void)
{
LCD_write_command(COMMAND_CLEAR_DISPLAY);
_delay_ms(2);
}
void LCD_init(void) //
{
LCD_GPIO_Init();
#if 1
Delay_1ms(20);
w_4bit_INIT_LCD1602(0x30); //写第一次0x3N命令（N为任意值）
Delay_1ms(10); //至少延迟4.1ms
w_4bit_INIT_LCD1602(0x30); //写第二次0x3N命令（N为任意值）
Delay_1us(200); //至少延迟100us
w_4bit_INIT_LCD1602(0x30); //写第三次0x3N命令（N为任意值）
Delay_1us(100); //至少延迟40us
w_4bit_INIT_LCD1602(0x20); //设置为4位模式
Delay_1us(100); //至少延迟40us
LCD_write_command(0x28); //设置为4位模式，2行字符，5 x 7点阵/每字符
Delay_1us(100); //至少延迟40us
LCD_write_command(0x06); //写入新数据后光标右移，写入新数据后显示屏不移动
Delay_1us(100); //至少延迟40us
LCD_write_command(0x0e); //显示功能开，有光标，光标不闪烁
Delay_1us(100); //至少延迟40us
LCD_write_command(0x01); //清除液晶显示器
Delay_1ms(10); //至少延迟1.64ms
GPIO_ResetBits(LCD1602_RW_PORT, LCD1602_RW_PIN);
Delay_1ms(10);
#else
LCD_write_command(0x33);
Delay_1ms(5);
LCD_write_command(0x28);
Delay_1ms(5);
LCD_write_command(0x28);
Delay_1ms(5);
LCD_write_command(0x28);
Delay_1ms(5);
LCD_en_write();
Delay_1ms(5);
LCD_write_command(0x28); //4
Delay_1ms(5);
LCD_write_command(0x0c); // 显示开
Delay_1ms(5);
LCD_write_command(0x01); // 清屏
Delay_1ms(5);
GPIO_ResetBits(LCD1602_RW_PORT, LCD1602_RW_PIN);
#endif
}
