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ultralcd.cpp
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ultralcd.cpp
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#include "language.h"
#include "temperature.h"
#include "ultralcd.h"
#ifdef ULTRA_LCD
#include "Marlin.h"
#include "language.h"
#include "temperature.h"
#include "EEPROMwrite.h"
#include <SPI.h>
#include <oled256.h>
#include <math.h>
#include <stdbool.h>
//===========================================================================
//=============================imported variables============================
//===========================================================================
extern volatile int feedmultiply;
extern volatile bool feedmultiplychanged;
extern volatile int extrudemultiply;
extern long position[4];
#ifdef SDSUPPORT
#include "cardreader.h"
extern CardReader card;
#endif
extern unsigned int __bss_end;
extern unsigned int __heap_start;
extern void *__brkval;
void encoderInit();
static char lcdErrorStr[17];
static void lcd_showError(void)
{
lcd.setCursor(16,4);
lcd.print(lcdErrorStr);
}
void lcd_clearError(void)
{
memset(lcdErrorStr, ' ', 16);
lcdErrorStr[16] = 0;
lcd_showError();
}
void lcd_error(const __FlashStringHelper *error)
{
lcd.setCursor(16,4);
lcd.print(error);
#if 0
lcd_clearError();
strncpy(lcdErrorStr, error, 16);
lcd_showError();
#endif
}
static int freeMemory(void)
{
int free_memory;
if((int)__brkval == 0)
free_memory = ((int)&free_memory) - ((int)&__bss_end);
else
free_memory = ((int)&free_memory) - ((int)__brkval);
return free_memory;
}
//===========================================================================
//=============================public variables============================
//===========================================================================
volatile char buttons=0; //the last checked buttons in a bit array.
volatile long encoderpos=0;
volatile uint8_t lastenc=0;
volatile int8_t lastStep=0;
//===========================================================================
//=============================private variables============================
//===========================================================================
static char messagetext[LCD_WIDTH]="";
//return for string conversion routines
static char conv[8];
//LiquidCrystal lcd(LCD_PINS_RS, LCD_PINS_ENABLE, LCD_PINS_D4, LCD_PINS_D5,LCD_PINS_D6,LCD_PINS_D7); //RS,Enable,D4,D5,D6,D7
LcdDisplay lcd(17, 16, 10); // cs, data_command, reset
static unsigned long previous_millis_lcd=0;
//static long previous_millis_buttons=0;
#ifdef NEWPANEL
uint32_t blocking=0;
#else
long blocking[8]={0,0,0,0,0,0,0,0};
#endif
MainMenu mainMenu;
void lcdProgMemprint(const char *str)
{
char ch=pgm_read_byte(str);
while(ch)
{
lcd.print(ch);
ch=pgm_read_byte(++str);
}
}
#define lcdprintPGM(x) lcdProgMemprint(MYPGM(x))
//===========================================================================
//=============================functions ============================
//===========================================================================
int intround(const float &x){return int(0.5+x);}
void lcd_status(const char* message)
{
strncpy(messagetext,message,LCD_WIDTH);
messagetext[strlen(message)]=0;
}
void lcd_statuspgm(const char* message)
{
char ch=pgm_read_byte(message);
char *target=messagetext;
uint8_t cnt=0;
while(ch &&cnt<LCD_WIDTH)
{
*target=ch;
target++;
cnt++;
ch=pgm_read_byte(++message);
}
*target=0;
}
void lcd_alertstatuspgm(const char* message)
{
lcd_statuspgm(message);
mainMenu.showStatus();
}
FORCE_INLINE void clear()
{
lcd.clear();
lcd_showError();
}
void lcd_init()
{
//beep();
#if defined(ULTIPANEL) || defined(NEWPANEL)
buttons_init();
#endif
byte Degree[8] =
{
B01100,
B10010,
B10010,
B01100,
B00000,
B00000,
B00000,
B00000
};
byte Thermometer[8] =
{
B00100,
B01010,
B01010,
B01010,
B01010,
B10001,
B10001,
B01110
};
byte uplevel[8]={0x04, 0x0e, 0x1f, 0x04, 0x1c, 0x00, 0x00, 0x00};//thanks joris
byte refresh[8]={0x00, 0x06, 0x19, 0x18, 0x03, 0x13, 0x0c, 0x00}; //thanks joris
byte folder [8]={0x00, 0x1c, 0x1f, 0x11, 0x11, 0x1f, 0x00, 0x00}; //thanks joris
pinMode(4, OUTPUT);
digitalWrite(4, LOW);
SPI.begin();
SPI.setDataMode(SPI_MODE0);
SPI.setClockDivider(SPI_CLOCK_DIV2);
lcd.begin(LCD_WIDTH, LCD_HEIGHT);
lcd.setColour(LCD_TEXT_COLOUR);
lcd.setBackground(LCD_TEXT_BACKGROUND);
lcd.createChar(1,Degree);
lcd.createChar(2,Thermometer);
lcd.createChar(3,uplevel);
lcd.createChar(4,refresh);
lcd.createChar(5,folder);
#if 0
MYSERIAL.println(F("echo:lcd_init waiting 4 seconds"));
delay(5000);
MYSERIAL.println(F("echo:lcd_init complete"));
#endif
lcd.setColour(15);
LCD_MESSAGEPGM(WELCOME_MSG);
lcd.setColour(LCD_TEXT_COLOUR);
}
void beep()
{
//return;
#ifdef ULTIPANEL
#if (BEEPER > -1)
{
pinMode(BEEPER,OUTPUT);
for(int8_t i=0;i<20;i++){
WRITE(BEEPER,HIGH);
delay(5);
WRITE(BEEPER,LOW);
delay(5);
}
}
#endif
#endif
}
void beepshort()
{
//return;
#ifdef ULTIPANEL
#if (BEEPER > -1)
{
pinMode(BEEPER,OUTPUT);
for(int8_t i=0;i<10;i++){
WRITE(BEEPER,HIGH);
delay(3);
WRITE(BEEPER,LOW);
delay(3);
}
}
#endif
#endif
}
#define LCD_SLEEP 120000
uint32_t lcd_active=0;
bool lcd_off = false;
void lcd_status()
{
#if defined(ULTIPANEL) || defined(NEWPANEL)
static uint8_t oldbuttons=0;
uint32_t now=millis();
#ifndef NEWPANEL
for(int8_t i=0; i<8; i++) {
if((blocking[i] > now))
buttons &= ~(1<<i);
}
#endif
if ((buttons != oldbuttons) || ((now - previous_millis_lcd) >= LCD_UPDATE_INTERVAL)) {
if (buttons != oldbuttons) {
lcd_active = now;
oldbuttons = buttons;
}
previous_millis_lcd = now;
if ((now - lcd_active) < LCD_SLEEP) {
if (lcd_off) {
lcd.on();
lcd_off = false;
}
mainMenu.update();
lcd_off = false;
} else if (!lcd_off) {
lcd.off();
lcd_off = true;
}
}
#else
if ((now - previous_millis_lcd) >= LCD_UPDATE_INTERVAL) {
if ((now - lcd_active) < LCD_SLEEP) {
lcd_active = now;
mainMenu.update();
lcd_off = false;
} else if (!lcd_off) {
lcd.off();
lcd_off = true;
}
}
#endif
}
#if defined(ULTIPANEL) || defined(NEWPANEL)
void buttons_init()
{
pinMode(4,OUTPUT); // must be output for SPI master mode
pinMode(A0,OUTPUT); // must be output for SPI master mode
digitalWrite(4, HIGH);
digitalWrite(A0, HIGH);
#ifdef NEWPANEL
pinMode(BTN_EN1,INPUT);
pinMode(BTN_EN2,INPUT);
pinMode(BTN_ENC,INPUT);
WRITE(BTN_EN1,HIGH); // pullup
WRITE(BTN_EN2,HIGH); // pullup
WRITE(BTN_ENC,HIGH); // pullup
#if (SDCARDDETECT > -1)
pinMode(SDCARDDETECT,INPUT);
WRITE(SDCARDDETECT,HIGH);
#endif
#else
pinMode(SHIFT_CLK,OUTPUT);
pinMode(SHIFT_LD,OUTPUT);
pinMode(SHIFT_EN,OUTPUT);
pinMode(SHIFT_OUT,INPUT);
WRITE(SHIFT_OUT,HIGH);
WRITE(SHIFT_LD,HIGH);
WRITE(SHIFT_EN,LOW);
#endif
encoderInit();
}
#define ERR 0
#define CW_HALF 0
#define CW_FULL 1
#define CW_END 0
#define ACW_HALF 0
#define ACW_FULL -1
#define ACW_END 0
/*
* Clockwise: (BA) 00 -> 01 -> 11 -> 10 -> 00
* Anti-clockwise: (BA) 00 -> 10 -> 11 -> 01 -> 00
* Detect
*
* Note: Encoder A and B signals are active low
*/
int8_t encState[4][4] = {
// BA: 00 01 10 11 current
{ 0, CW_HALF, ACW_HALF, ERR }, // 00
{ ACW_HALF, 0, ERR, CW_FULL }, // 01
{ CW_END, ERR, 0, ACW_FULL }, // 10
{ ERR, ACW_HALF, CW_HALF, 0 }, // 11
};
typedef struct {
uint32_t time;
uint8_t lastValue;
} debounce_t;
uint8_t debounce(uint8_t value, uint16_t period, debounce_t &state)
{
uint32_t now = millis();
if (value != state.lastValue) {
if (state.time) {
if ((now - state.time) < period) {
return state.lastValue;
} else {
// debounced
state.lastValue = value;
state.time = 0;
}
} else {
// got a change
state.time = now;
}
} else {
// reset
state.time = 0;
}
return state.lastValue;
}
debounce_t debEncA = { 0, 0 };
debounce_t debEncB = { 0, 0 };
debounce_t debEncC = { 0, 0 };
uint8_t lastEnc=0;
void encoderInit()
{
lastEnc = 0;
if (READ(BTN_EN1) == 0) {
lastEnc |= 1;
debEncA.lastValue = 1;
}
if (READ(BTN_EN2) == 0) {
lastEnc |= 2;
debEncB.lastValue = 2;
}
}
/*
* Clockwise: (BA) 00 -> 01 -> 11 -> 10 -> 00
* Anti-clockwise: (BA) 00 -> 10 -> 11 -> 01 -> 00
* Detect
*
* Note: Encoder A and B signals are active low
*/
int8_t encoderChange(uint8_t curEnc)
{
static uint32_t lastTick = 0;
static int8_t lastStep = 0;
int8_t step = encState[lastEnc & 0x3][curEnc & 0x3];
uint32_t now = millis();
#if 0
if (curEnc != lastEnc) {
MYSERIAL.print(F("ENC: "));
MYSERIAL.print(lastEnc);
MYSERIAL.print(F(" -> "));
MYSERIAL.print(curEnc);
MYSERIAL.print(F(" = "));
MYSERIAL.println(step);
}
#endif
lastEnc = curEnc;
if (mainMenu.linechanging && step) {
// provide some faster updates when the encoder is spun faster
if ((lastStep == step) && ((now - lastTick) < 100)) {
lastStep = step;
step *= 10;
if ((now - lastTick) < 20) {
step *= 10;
}
} else {
lastStep = step;
}
lastTick = now;
}
return step;
}
#define DEBOUNCE_MS 2
#define DEBOUNCE_CLICK_MS 2
bool encoderClicked()
{
static bool off = true;
if (off) {
if (debounce(buttons & EN_C, DEBOUNCE_MS, debEncC)) {
off = false;
return true;
}
} else {
if (!debounce(buttons & EN_C, DEBOUNCE_MS, debEncC)) {
off = true;;
}
}
return false;
}
// Note: May be called from an ISR
void buttons_check()
{
#ifdef NEWPANEL
uint8_t newbutton=0;
if (READ(BTN_EN1)==0) newbutton |= EN_A;
if (READ(BTN_EN2)==0) newbutton |= EN_B;
if (READ(BTN_ENC)==0) newbutton |= EN_C;
#if 0
if ((blocking<millis()) &&(READ(BTN_ENC)==0))
newbutton|=EN_C;
#endif
buttons = newbutton;
#else //read it from the shift register
uint8_t newbutton=0;
WRITE(SHIFT_LD,LOW);
WRITE(SHIFT_LD,HIGH);
unsigned char tmp_buttons=0;
for(int8_t i=0;i<8;i++) {
newbutton = newbutton>>1;
if(READ(SHIFT_OUT))
newbutton|=(1<<7);
WRITE(SHIFT_CLK,HIGH);
WRITE(SHIFT_CLK,LOW);
}
buttons=~newbutton; //invert it, because a pressed switch produces a logical 0
#endif
//manage encoder rotation
uint8_t enc=0;
if (buttons & EN_A) {
enc = debounce(1, DEBOUNCE_MS, debEncA);
} else {
enc = debounce(0, DEBOUNCE_MS, debEncA);
}
if (buttons & EN_B) {
enc |= debounce(2, DEBOUNCE_MS, debEncB);
} else {
enc = (enc & 0x1) | debounce(0, DEBOUNCE_MS, debEncB);
}
encoderpos += encoderChange(enc);
}
#endif
MainMenu::MainMenu()
{
status = Main_Status;
activeline = 0;
force_lcd_update = true;
linechanging = false;
tune = false;
lastChange = 0;
currentMenu = NULL;
showMenuLine = &MainMenu::showLine;
lcdOffset = 0;
//lcd.setBufHeight(6*lcd.glyphHeight());
}
void MainMenu::showStatus()
{
#if LCD_HEIGHT>=4
static int olddegHotEnd0=-1;
static int oldtargetHotEnd0=-1;
//initial display of content
if(force_lcd_update) {
encoderpos=feedmultiply;
clear();
lcd.setCursor(0,0);lcdprintPGM("\002---/---\001 ");
#if defined BED_USES_THERMISTOR || defined BED_USES_AD595
lcd.setCursor(10,0);lcdprintPGM("B---/---\001 ");
#elif EXTRUDERS > 1
lcd.setCursor(10,0);lcdprintPGM("\002---/---\001 ");
#endif
}
int tHotEnd0=intround(degHotend(0));
if ((tHotEnd0!=olddegHotEnd0)||force_lcd_update) {
lcd.setCursor(1,0);
lcd.print(ftostr3(tHotEnd0));
olddegHotEnd0=tHotEnd0;
}
int ttHotEnd0=intround(degTargetHotend(0));
if ((ttHotEnd0!=oldtargetHotEnd0)||force_lcd_update) {
lcd.setCursor(5,0);
lcd.print(ftostr3(ttHotEnd0));
oldtargetHotEnd0=ttHotEnd0;
}
#if defined BED_USES_THERMISTOR || defined BED_USES_AD595
static int oldtBed=-1;
static int oldtargetBed=-1;
int tBed=intround(degBed());
if ((tBed!=oldtBed)||force_lcd_update) {
lcd.setCursor(11,0);
lcd.print(ftostr3(tBed));
oldtBed=tBed;
}
int targetBed=intround(degTargetBed());
if ((targetBed!=oldtargetBed)||force_lcd_update) {
lcd.setCursor(15,0);
lcd.print(ftostr3(targetBed));
oldtargetBed=targetBed;
}
#elif EXTRUDERS > 1
static int olddegHotEnd1=-1;
static int oldtargetHotEnd1=-1;
int tHotEnd1=intround(degHotend1());
if ((tHotEnd1!=olddegHotEnd1)||force_lcd_update) {
lcd.setCursor(11,0);
lcd.print(ftostr3(tHotEnd1));
olddegHotEnd1=tHotEnd1;
}
int ttHotEnd1=intround(degTargetHotend(1));
if ((ttHotEnd1!=oldtargetHotEnd1)||force_lcd_update) {
lcd.setCursor(15,0);
lcd.print(ftostr3(ttHotEnd1));
oldtargetHotEnd1=ttHotEnd1;
}
#endif
//starttime=2;
static uint16_t oldtime=0;
if (starttime!=0) {
lcd.setCursor(0,1);
uint16_t time=millis()/60000-starttime/60000;
if (starttime!=oldtime) {
lcd.print(itostr2(time/60));lcdprintPGM("h ");lcd.print(itostr2(time%60));lcdprintPGM("m");
oldtime=time;
}
}
static int oldzpos=0;
int currentz=current_position[2]*100;
if ((currentz!=oldzpos)||force_lcd_update) {
lcd.setCursor(10,1);
lcdprintPGM("Z:");lcd.print(ftostr52(current_position[2]));
oldzpos=currentz;
}
static int oldfeedmultiply=0;
int curfeedmultiply=feedmultiply;
if (feedmultiplychanged == true) {
feedmultiplychanged = false;
encoderpos = curfeedmultiply;
}
if (encoderpos!=curfeedmultiply||force_lcd_update) {
curfeedmultiply=encoderpos;
if (curfeedmultiply<10)
curfeedmultiply=10;
if (curfeedmultiply>999)
curfeedmultiply=999;
feedmultiply=curfeedmultiply;
encoderpos=curfeedmultiply;
}
if ((curfeedmultiply!=oldfeedmultiply)||force_lcd_update) {
oldfeedmultiply=curfeedmultiply;
lcd.setCursor(0,2);
lcd.print(itostr3(curfeedmultiply));lcdprintPGM("% ");
}
if (messagetext[0]!='\0') {
lcd.setCursor(0,LCD_HEIGHT-1);
lcd.print(messagetext);
uint8_t n=strlen(messagetext);
for(int8_t i=0;i<LCD_WIDTH-n;i++)
lcd.print(" ");
messagetext[0]='\0';
}
#ifdef SDSUPPORT
static uint8_t oldpercent=101;
uint8_t percent=card.percentDone();
if (oldpercent!=percent ||force_lcd_update) {
lcd.setCursor(10,2);
lcd.print(itostr3((int)percent));
lcdprintPGM("%SD ");
if (card.sdprinting) {
uint32_t time = card.timeLeft();
lcd.print(time/3600);
time -= (time/3600) * 3600;
lcd.print(':');
lcd.print(itostr2(time/60));
time -= (time/60) * 60;
lcd.print(':');
lcd.print(itostr2(time));
lcd.print(F(" "));
} else {
lcd.print(F(" "));
}
}
if (card.sdprinting) {
lcd.setCursor(1,3);
if (card.longFilename[0]) {
lcd.print(card.longFilename);
} else {
lcd_status(card.filename);
}
}
#endif
static uint8_t memColour=15;
static int8_t memInc = -1;
lcd.setCursor(18,3);
lcd.print(F("mem: "));
lcd.setColour(memColour);
memColour += memInc;
if (memInc < 0 && memColour < 4) {
memInc = 1;
}
if (memInc > 0 && memColour > 14) {
memInc = -1;
}
lcd.print(freeMemory());
lcd.setColour(LCD_TEXT_COLOUR);
lcd.print(F(" "));
#else //smaller LCDS----------------------------------
static int olddegHotEnd0=-1;
static int oldtargetHotEnd0=-1;
//initial display of content
if(force_lcd_update) {
encoderpos=feedmultiply;
lcd.setCursor(0,0);lcdprintPGM("\002---/---\001 ");
}
int tHotEnd0=intround(degHotend(0));
int ttHotEnd0=intround(degTargetHotend(0));
if ((abs(tHotEnd0-olddegHotEnd0)>1)||force_lcd_update) {
lcd.setCursor(1,0);
lcd.print(ftostr3(tHotEnd0));
olddegHotEnd0=tHotEnd0;
}
if ((ttHotEnd0!=oldtargetHotEnd0)||force_lcd_update) {
lcd.setCursor(5,0);
lcd.print(ftostr3(ttHotEnd0));
oldtargetHotEnd0=ttHotEnd0;
}
if (messagetext[0]!='\0') {
lcd.setCursor(0,LCD_HEIGHT-1);
lcd.print(messagetext);
uint8_t n=strlen(messagetext);
for(int8_t i=0;i<LCD_WIDTH-n;i++)
lcd.print(" ");
messagetext[0]='\0';
}
#endif
force_lcd_update=false;
}
void MainMenu::update()
{
#ifdef CARDINSERTED
static bool oldcardstatus=false;
if ((CARDINSERTED != oldcardstatus)) {
force_lcd_update=true;
oldcardstatus=CARDINSERTED;
lcd_init(); // to maybe revive the lcd if static electricty killed it.
//Serial.println("echo: SD CHANGE");
if(CARDINSERTED) {
card.initsd();
LCD_MESSAGEPGM(MSG_SD_INSERTED);
} else {
card.release();
LCD_MESSAGEPGM(MSG_SD_REMOVED);
}
}
#endif
#if 0
for (uint8_t ind=0; ind<8; ind++) {
lcd.setOffset(lcdOffset++);
if (lcdOffset > 63) {
lcdOffset = 0;
}
delay(5);
}
#endif
switch(status) {
case Main_Status:
showStatus();
if (CLICKED) {
linechanging=false;
BLOCK;
changeMenu(Main_Menu);
}
break;
case Main_Menu:
showMainMenu();
linechanging = false;
break;
case Main_Prepare:
if(tune) {
showTune();
} else {
showPrepare();
}
break;
case Sub_PrepareMove:
showAxisMove();
break;
case Main_Control:
showControl();
break;
case Sub_MotionControl:
showControlMotion();
break;
case Sub_RetractControl:
showControlRetract();
break;
case Sub_TempControl:
showControlTemp();
break;
case Main_SD:
showSD();
break;
case Sub_PreheatPLASettings:
showPLAsettings();
break;
case Sub_PreheatABSSettings:
showABSsettings();
break;
default:
break;
}
if ((encoderpos != lastencoderpos) || (buttons & EN_B)) {
lastChange = millis();
lastencoderpos = encoderpos;
}
if ((status != Main_Status) && ((millis() - lastChange) > STATUSTIMEOUT)) {
changeMenu(Main_Status);
lastChange = millis();
}
}
//**********************************************************************************************************
// convert float to string with +123.4 format
char *ftostr3(const float &x)
{
//sprintf(conv,"%5.1f",x);
int xx=x;
conv[0]=(xx/100)%10+'0';
conv[1]=(xx/10)%10+'0';
conv[2]=(xx)%10+'0';
conv[3]=0;
return conv;
}
char *itostr2(const uint8_t &x)
{
//sprintf(conv,"%5.1f",x);
int xx=x;
conv[0]=(xx/10)%10+'0';
conv[1]=(xx)%10+'0';
conv[2]=0;
return conv;
}
// convert float to string with +123.4 format
char *ftostr31(const float &x)
{
int xx=x*10;
conv[0]=(xx>=0)?'+':'-';
xx=abs(xx);
conv[1]=(xx/1000)%10+'0';
conv[2]=(xx/100)%10+'0';
conv[3]=(xx/10)%10+'0';
conv[4]='.';
conv[5]=(xx)%10+'0';
conv[6]=0;
return conv;
}
char *ftostr32(const float &x)
{
long xx=x*100;
conv[0]=(xx>=0)?'+':'-';
xx=abs(xx);
conv[1]=(xx/100)%10+'0';
conv[2]='.';
conv[3]=(xx/10)%10+'0';
conv[4]=(xx)%10+'0';
conv[6]=0;
return conv;
}
char *itostr31(const int &xx)
{
conv[0]=(xx>=0)?'+':'-';
conv[1]=(xx/1000)%10+'0';
conv[2]=(xx/100)%10+'0';
conv[3]=(xx/10)%10+'0';
conv[4]='.';
conv[5]=(xx)%10+'0';
conv[6]=0;
return conv;
}
char *itostr3(const int &xx)
{
conv[0]=(xx/100)%10+'0';
conv[1]=(xx/10)%10+'0';
conv[2]=(xx)%10+'0';
conv[3]=0;
return conv;
}
char *itostr4(const int &xx)
{
conv[0]=(xx/1000)%10+'0';
conv[1]=(xx/100)%10+'0';
conv[2]=(xx/10)%10+'0';
conv[3]=(xx)%10+'0';
conv[4]=0;
return conv;
}
// convert float to string with +1234.5 format
char *ftostr51(const float &x)
{
long xx=x*10;
conv[0]=(xx>=0)?'+':'-';
xx=abs(xx);
conv[1]=(xx/10000)%10+'0';
conv[2]=(xx/1000)%10+'0';
conv[3]=(xx/100)%10+'0';
conv[4]=(xx/10)%10+'0';
conv[5]='.';
conv[6]=(xx)%10+'0';
conv[7]=0;
return conv;
}
// convert float to string with +123.45 format
char *ftostr52(const float &x)
{
long xx=x*100;
conv[0]=(xx>=0)?'+':'-';
xx=abs(xx);
conv[1]=(xx/10000)%10+'0';
conv[2]=(xx/1000)%10+'0';
conv[3]=(xx/100)%10+'0';
conv[4]='.';
conv[5]=(xx/10)%10+'0';
conv[6]=(xx)%10+'0';
conv[7]=0;
return conv;
}
void MainMenu::updateActiveLines(const uint8_t maxlines,volatile long &encoderpos)
{
uint8_t maxLine = min(maxlines-lineoffset-1, LCD_HEIGHT-1);
uint8_t lastActiveLine = activeline;
if (linechanging) return; // an item is changint its value, do not switch lines hence
if (abs(encoderpos) >= lcdslow) {
activeline += encoderpos/lcdslow;
encoderpos -= encoderpos/lcdslow;
if (currentMenu) {
hideCursor(lastActiveLine);
} else {
lcd.setCursor(0,lastActiveLine);
lcd.print(' ');
}
if (activeline < 0) {
if (lineoffset > 0) {
lineoffset += activeline;
if (lineoffset < 0) lineoffset = 0;
force_lcd_update = true;
}
activeline = 0;
} else if (activeline > maxLine) {
if ((activeline+lineoffset) >= maxlines) {
activeline = maxlines-lineoffset-1;
}
if (activeline > maxLine) {
lineoffset += activeline - maxLine;
force_lcd_update = true;
}
activeline = maxLine;
}
if (currentMenu) {
showCursor(activeline);
} else {
lcd.setCursor(0,activeline);lcd.print((activeline+lineoffset)?'>':'\003');
}
lastChange = millis();
}
}
void MainMenu::hideCursor(uint8_t line)
{
uint8_t saveActiveLine = activeline;
#ifdef DEBUG
uint8_t menuline = line + lineoffset;
MYSERIAL.print(F("hideCursor: line "));
MYSERIAL.print(line);
MYSERIAL.print(F(" menuline "));
MYSERIAL.print(menuline);
if (menuline < menuMax) {
MYSERIAL.println((const __FlashStringHelper *)currentMenu[menuline].name);
}
#endif
activeline = 255;
(this->*showMenuLine)(line);
activeline = saveActiveLine;
}
void MainMenu::showCursor(uint8_t line)
{
#ifdef DEBUG
uint8_t menuline = line + lineoffset;
MYSERIAL.print(F("showCursor: line "));
MYSERIAL.print(line);
MYSERIAL.print(F(" menuline "));