void LCDInit(uint8_t style)
{
/*****************************************************************
This function Initializes the lcd module
must be called before calling lcd related functions
Arguments:
style = LS_BLINK,LS_ULINE(can be "OR"ed for combination)
LS_BLINK : The cursor is blinking type
LS_ULINE : Cursor is "underline" type else "block" type
LS_NONE : No visible cursor
*****************************************************************/
//After power on Wait for LCD to Initialize
__delay_ms(30);
//Set IO Ports
LCD_DATA_TRIS&=(~(0x0F<<LCD_DATA_POS)); //Output
LCD_E_TRIS=0; //Output
LCD_RS_TRIS=0; //Output
LCD_RW_TRIS=0; //Output
LCD_DATA_PORT&=(~(0x0F<<LCD_DATA_POS));//Clear data port
CLEAR_E();
CLEAR_RW();
CLEAR_RS();
//Set 4-bit mode
__delay_us(0.5); //tAS
SET_E();
LCD_DATA_PORT|=((0b00000010)<<LCD_DATA_POS); //[B] To transfer 0b00100000 i was using LCD_DATA_PORT|=0b00100000
__delay_us(1);
CLEAR_E();
__delay_us(1);
//Wait for LCD to execute the Functionset Command
LCDBusyLoop(); //[B] Forgot this delay
//Now the LCD is in 4-bit mode
LCDCmd(0b00101000); //function set 4-bit,2 line 5x7 dot format
LCDCmd(0b00001100|style); //Display On
/* Custom Char */
LCDCmd(0b01000000);
uint8_t __i;
for(__i=0;__i<sizeof(__cgram);__i++)
LCDData(__cgram[__i]);
}
void LCD_SendCmd(char cmd_value) // send commands function (actually sending occur @ function LCDCmd)
{
char cmd_value1;
cmd_value1 = cmd_value & 0xF0; // i send the higher bits only (PB7 -> PB4)
LCDCmd(cmd_value1); // send to LCD
cmd_value1 = ((cmd_value<<4) & 0xF0); // shift the bits (PB3->PB0) and send them to LCD
LCDCmd(cmd_value1);
}
void initLCD(void) {
LCDCmd(0x38); // initialization of 16X2 LCD in 8bit mode
_delay_ms(1);
LCDCmd(0x01); // clear LCD
_delay_ms(1);
LCDCmd(0x0C); // cursor ON
_delay_ms(1);
LCDCmd(0x80); // ---8 go to first line and --0 is for 0th position
_delay_ms(1);
}
void LCDGotoXY(uint8_t x,uint8_t y)
{
/*
if(x<40)
{
if(y) x|=0b01000000;
x|=0b10000000;
LCDCmd(x);
}
*/
switch(y)
{
case 0 : x = 0x80 + x;
break;
case 1 : x = 0xc0 + x;
break;
case 2 : x = 0x94 + x;
break;
case 3 : x = 0xD4 + x;
break;
}
LCDCmd(x);
}
void LCDInit(uint8_t style)
{
/*****************************************************************
This function Initializes the lcd module
must be called before calling lcd related functions
Arguments:
style = LS_BLINK,LS_ULINE(can be "OR"ed for combination)
LS_BLINK :The cursor is blinking type
LS_ULINE :Cursor is "underline" type else "block" type
*****************************************************************/
//After power on Wait for LCD to Initialize
_delay_ms(30);
//Set IO Ports
LCD_DATA_DDR|=(0x0F<<LCD_DATA_POS);
LCD_E_DDR|=(1<<LCD_E_POS);
LCD_RS_DDR|=(1<<LCD_RS_POS);
LCD_RW_DDR|=(1<<LCD_RW_POS);
LCD_DATA_PORT&=(~(0x0F<<LCD_DATA_POS));
CLEAR_E();
CLEAR_RW();
CLEAR_RS();
//Set 4-bit mode
_delay_us(0.3); //tAS
SET_E();
LCD_DATA_PORT|=((0b00000010)<<LCD_DATA_POS); //[B] To transfer 0b00100000 i was using LCD_DATA_PORT|=0b00100000
_delay_us(1);
CLEAR_E();
_delay_us(1);
//Wait for LCD to execute the Functionset Command
LCDBusyLoop(); //[B] Forgot this delay
//Now the LCD is in 4-bit mode
LCDCmd(0b00101000); //function set 4-bit,2 line 5x7 dot format
LCDCmd(0b00001100|style); //Display On
}
void LCDGotoXY(uint8_t x,uint8_t y)
{
if(x<40)
{
if(y) x|=0b01000000;
x|=0b10000000;
LCDCmd(x);
}
}
void LCDGotoXY(uint8_t x,uint8_t y) {
uint8_t address=0x80;
if(y==1) {
address=0xC0;
}
address+=x;
LCDCmd(address);
}
void LCDInit(uint8_t style)
{
__delay_ms(30);
//Set IO Ports
LCD_DATA_TRIS&=(~(0x0F<<LCD_DATA_POS)); //Output
LCD_E_TRIS=0; //Output
LCD_RS_TRIS=0; //Output
LCD_RW_TRIS=0; //Output
LCD_DATA_PORT&=(~(0x0F<<LCD_DATA_POS));//Clear data port
CLEAR_E();
CLEAR_RW();
CLEAR_RS();
//Set 4-bit mode
__delay_us(0.5); //tAS
SET_E();
LCD_DATA_PORT|=((0b00000010)<<LCD_DATA_POS); //[B] To transfer 0b00100000 i was using LCD_DATA_PORT|=0b00100000
__delay_us(1);
CLEAR_E();
__delay_us(1);
//Wait for LCD to execute the Functionset Command
LCDBusyLoop(); //[B] Forgot this delay
//Now the LCD is in 4-bit mode
LCDCmd(0b00101000); //function set 4-bit,2 line 5x7 dot format
LCDCmd(0b00001100|style); //Display On
/* Custom Char */
LCDCmd(0b01000000);
uint8_t __i;
for(__i=0;__i<sizeof(__cgram);__i++)
LCDData(__cgram[__i]);
}
void LCD_init() {
unsigned char i;
TRISD = 0x00; //LCD Port
for (i = 0; i < 2; i++) {
Delay15ms();
}
//LCD_send_byte(0, 3);
//LCD_send_byte(0, 2);
//LCD_send_byte(0, 40);
//LCD_send_byte(0, 12);
//LCD_send_byte(0, 6);
//LCD_send_byte(0, 1);
// Set port directions
TRIS_LCD_DATA &= 0xf0; // Clear lower 4 bits
TRIS_LCD_EN = 0;
TRIS_LCD_RS = 0;
//LCDCmd(FOUR_BIT); // Nigel's code sends this before the next command?
LCDCmd(FOUR_BIT & LINES_5X7);
LCDCmd(INCREMENT & SHIFT_OFF);
LCDCmd(DISPLAY_ON & BLINK_OFF & UNDERLINE_OFF);
LCDCmd(CLEAR_DISPLAY);
}
void LCDGotoXY(uint8_t x,uint8_t y)
{
if(x>=20) return;
#ifdef LCD_TYPE_204
switch(y)
{
case 0:
break;
case 1:
x|=0b01000000;
break;
case 2:
x+=0x14;
break;
case 3:
x+=0x54;
break;
}
#endif
#ifdef LCD_TYPE_164
switch(y)
{
case 0:
break;
case 1:
x|=0b01000000;
break;
case 2:
x+=0x10;
break;
case 3:
x+=0x50;
break;
}
#endif
x|=0b10000000;
LCDCmd(x);
}
int main(void){
bPriLev=PRI_MAIN;
tTime.bDay=7;
tTime.bMonth=8;
tTime.bYear=11;
_init();
while(1) { /* Infinite Loop */
switch(bState){
/*--------------------------------------------------------------------------------------------------*/
case STATE_IDLE:
switch(bBtn){
case NO_BTN:
if(bTimeColonToToggle){ toggleTimeColon(); bTimeColonToToggle=0; }
refreshQuote();
bFirst=1;
break;
case BTN_A:
case BTN_B:
case BTN_C:
case BTN_A_LONG:
case BTN_B_LONG:
START_BACKLIGHT();
bBtn=NO_BTN;
break;
case BTN_C_LONG:
bState = STATE_MENU;
BACKLIGHT_ON();
bBtn=NO_BTN;
break;
default:
break;
}
break;
/*--------------------------------------------------------------------------------------------------*/
case STATE_MENU:
switch(bBtn){
case NO_BTN:
if(bSelectionMenuChanged || bFirst){
bFirst=0;
bSelectionMenuChanged=0;
LCDWriteStringXY(0,0,"-");
LCDWriteStringXY(1,0, options[bSelectionMenu]);
LCDWriteStringXY(0,1," ");
LCDWriteStringXY(1,1, options[bSelectionMenu+1]);
}
break;
case BTN_A:
bSelectionMenu++;
bSelectionMenu %= NUMBER_OF_OPTIONS;
bSelectionMenuChanged=1;
bBtn=NO_BTN;
break;
case BTN_B:
if(bSelectionMenu>0) bSelectionMenu--;
else bSelectionMenu=(NUMBER_OF_OPTIONS-1);
bSelectionMenu %= NUMBER_OF_OPTIONS;
bSelectionMenuChanged=1;
bBtn=NO_BTN;
break;
case BTN_C:
switch(bSelectionMenu){
case SEL_DATE:
bState = STATE_EDIT_DATE;
bBtn = NO_BTN;
break;
case SEL_TIME:
bState = STATE_EDIT_TIME;
bBtn = NO_BTN;
break;
case SEL_TIMEZONE:
bState = STATE_EDIT_TIMEZONE;
bBtn = NO_BTN;
break;
default:
break;
}
bFirst=1;
break;
case BTN_C_LONG:
bState = STATE_IDLE;
bBtn=NO_BTN;
BACKLIGHT_OFF();
START_BACKLIGHT();
LCD_RESET();
bSelectionMenu=0;
bDateChanged=1; // Appena rientro in idle stampo le quote
bTimeChanged=1;
bTempChanged=1;
break;
default:
break;
}
break;
/*--------------------------------------------------------------------------------------------------*/
case STATE_EDIT_DATE:
switch(bBtn){
case NO_BTN:
if(bFirst){
bFirst=0;
LCDClear();
tTimeEditing = tTime;
sprintf(str, "%02d/%02d/%02d", tTimeEditing.bDay, tTimeEditing.bMonth, tTimeEditing.bYear);
LCDWriteStringXY(0,0, "Editing date:");
LCDWriteStringXY(3,1, str);
LCDCmd(0x0f); // set blinking cursor
LCD_CURSOR_LEFT_N(8);
}
break;
case BTN_A:
bBtn = NO_BTN;
changeEditDate(bSelectionDate, BTN_A);
sprintf(str, "%02d/%02d/%02d", tTimeEditing.bDay, tTimeEditing.bMonth, tTimeEditing.bYear);
LCDWriteStringXY(3,1,str);
LCD_CURSOR_LEFT_N(8-bSelectionDate);
break;
case BTN_B:
bBtn = NO_BTN;
changeEditDate(bSelectionDate, BTN_B);
sprintf(str, "%02d/%02d/%02d", tTimeEditing.bDay, tTimeEditing.bMonth, tTimeEditing.bYear);
LCDWriteStringXY(3,1,str);
LCD_CURSOR_LEFT_N(8-bSelectionDate);
break;
case BTN_C:
if(bSelectionDate<7){ LCD_CURSOR_RIGHT_N(1); bSelectionDate++; }
else{ bSelectionDate=0; LCD_CURSOR_LEFT_N(7); }
// eseguo il controllo della data solo se passo da giorno a mese e da mese a anno
if(bSelectionDate==2 || bSelectionDate==5){
LCD_CURSOR_RIGHT_N(1);
bSelectionDate++;
if(checkDate(&tTimeEditing, aDays)){
sprintf(str, "%02d/%02d/%02d", tTimeEditing.bDay, tTimeEditing.bMonth, tTimeEditing.bYear);
LCDWriteStringXY(3,1,str);
LCD_CURSOR_LEFT_N(8-bSelectionDate);
}
}
bBtn = NO_BTN;
break;
case BTN_C_LONG:
bState=STATE_EDIT_DATE_CONFIRM;
bBtn=NO_BTN;
bFirst=1;
break;
default:
break;
}
break;
/*--------------------------------------------------------------------------------------------------*/
case STATE_EDIT_DATE_CONFIRM:
switch(bBtn){
case NO_BTN:
if(bFirst){
LCDWriteStringXY(0,0, "Confermi? Si/No");
LCD_CURSOR_LEFT_N(5);
bFirst=0;
bSelectionDate=0;
}
if(bSelectionDateChanged){
if(bSelectionDate==0){ LCD_SET_CURSOR_POSITION(10); }
else{ LCD_SET_CURSOR_POSITION(13); }
bSelectionDateChanged=0;
}
break;
case BTN_C:
bSelectionDate = (bSelectionDate == 0)?1:0;
bSelectionDateChanged=1;
bBtn=NO_BTN;
break;
case BTN_C_LONG:
if(bSelectionDate){
bState = STATE_MENU;
bSelectionDate=0;
}else{
tTime.bDay = tTimeEditing.bDay;
tTime.bMonth = tTimeEditing.bMonth;
tTime.bYear = tTimeEditing.bYear;
bState = STATE_MENU;
LCD_RESET();
}
bBtn = NO_BTN;
bFirst=1;
break;
default: break;
}
break;
/*--------------------------------------------------------------------------------------------------*/
case STATE_EDIT_TIME:
switch(bBtn){
case NO_BTN:
if(bFirst){
bFirst=0;
LCDClear();
tTimeEditing = tTime;
sprintf(str, "%02d:%02d:%02d", tTimeEditing.bHour, tTimeEditing.bMin, tTimeEditing.bSec);
LCDWriteStringXY(0,0, "Editing time:");
LCDWriteStringXY(3,1, str);
LCDCmd(0x0f); // set blinking cursor
LCD_CURSOR_LEFT_N(8);
}
break;
case BTN_A:
bBtn = NO_BTN;
changeEditTime(bSelectionTime, BTN_A);
sprintf(str, "%02d:%02d:%02d", tTimeEditing.bHour, tTimeEditing.bMin, tTimeEditing.bSec);
LCDWriteStringXY(3,1,str);
LCD_CURSOR_LEFT_N(8-bSelectionTime);
break;
case BTN_B:
bBtn = NO_BTN;
changeEditTime(bSelectionTime, BTN_B);
sprintf(str, "%02d:%02d:%02d", tTimeEditing.bHour, tTimeEditing.bMin, tTimeEditing.bSec);
LCDWriteStringXY(3,1,str);
LCD_CURSOR_LEFT_N(8-bSelectionTime);
break;
case BTN_C:
if(bSelectionTime<7){ LCDCmd(0x14); bSelectionTime++; }
else{ bSelectionTime=0; LCD_CURSOR_LEFT_N(7); }
if(bSelectionTime==2 || bSelectionTime==5){ LCDCmd(0x14); bSelectionTime++; }
bBtn = NO_BTN;
break;
case BTN_C_LONG:
bState=STATE_EDIT_TIME_CONFIRM;
bBtn=NO_BTN;
bFirst=1;
break;
default:
break;
}
break;
/*--------------------------------------------------------------------------------------------------*/
case STATE_EDIT_TIME_CONFIRM:
switch(bBtn){
case NO_BTN:
if(bFirst){
LCDWriteStringXY(0,0, "Confermi? Si/No");
LCD_CURSOR_LEFT_N(5);
bFirst=0;
bSelectionTime=0;
}
if(bSelectionTimeChanged){
if(bSelectionTime==0){ LCD_SET_CURSOR_POSITION(10); }
else{ LCD_SET_CURSOR_POSITION(13); }
bSelectionTimeChanged=0;
}
break;
case BTN_C:
bSelectionTime = (bSelectionTime == 0)?1:0;
bSelectionTimeChanged=1;
bBtn=NO_BTN;
break;
case BTN_C_LONG:
if(bSelectionTime){
bState = STATE_MENU;
bSelectionTime=0;
}else{
tTime.bSec = tTimeEditing.bSec;
tTime.bMin = tTimeEditing.bMin;
tTime.bHour = tTimeEditing.bHour;
bState = STATE_MENU;
LCD_RESET();
}
bBtn = NO_BTN;
bFirst=1;
break;
default: break;
}
break;
/*--------------------------------------------------------------------------------------------------*/
case STATE_EDIT_TIMEZONE:
switch(bBtn){
case NO_BTN:
if(bFirst){
bFirst=0;
LCDClear();
LCDWriteStringXY(0,0, "Edit timezone:");
LCDWriteStringXY(0,1,"1=");
}
break;
default:
break;
}
break;
default:
break;
}
}
}
void LCDSetStyle(uint8_t style)
{
LCDCmd(0b00001100|style);
}
void LCDClear() {
LCDCmd(0x01);
}
void Inicio_2Linha(void) {
LCDCmd(0xC0);
}
void clear(void) {
LCDCmd(0x01); //apaga os dados do display
LCDCmd(0x02);
}
