Code:
// I2C
#include <Wire.h> // Incl I2C comm, but needed for not getting compile error
//----------------------------------------------------------------------------
// display driver
//----------------------------------------------------------------------------
#include <Adafruit_GFX.h> //
// Adafruit Arduino or ESP OLED driver
//#include <Adafruit_SSD1306.h>
#include <ESP_SSD1306.h> // Modification of Adafruit_SSD1306 for ESP8266 compatibility
#include <Fonts/FreeSans12pt7b.h> //
#include <Fonts/FreeSansBold12pt7b.h> //
#include <Fonts/FreeSans9pt7b.h> //
#include <Fonts/FreeMono12pt7b.h> //
#include <Fonts/FreeMono9pt7b.h>
// Pin definitions
#define OLED_RESET 10 // GPIO10=D12 Pin RESET signal (virtual)
//Adafruit_SSD1306 display(OLED_RESET);
//Adafruit_SSD1306 display(128, 64, &Wire, OLED_RESET);
ESP_SSD1306 display(OLED_RESET);
//----------------------------------------------------------------------------
// ButtonClass buttons
//----------------------------------------------------------------------------
/*
#include <ButtonClass.h>
// 3 buttons for menu control
tButton btn0;
tButton btn1;
tButton btnEnter;
*/
//----------------------------------------------------------------------------
// OLED menu
//----------------------------------------------------------------------------
class tMenu {
private:
void parselist() {
bool issub;
issub=false;
int16_t N = MENULEN;
for(int line=0; line<N; line++) {
for(int k=strlen(list[line]-1); k<LINELEN-1; k++) {
if(list[line][k]=='\0') list[line][k]=' ';
if(list[line][k]=='>') issub=true;
}
if(issub) list[line][LINELEN-2] = '>';
else list[line][LINELEN-2] = '.';
list[line][LINELEN-1] = '\0';
issub=false;
}
}
protected:
int16_t MENULEN, LINELEN, VISLNUM, FONTHI;
int16_t firstvln, lastvln, displn;
char buf[20];
public:
char ** list;
tMenu * preMenu;
int16_t act;
tMenu (int16_t menulen, int16_t linelen, char ** extlist, tMenu* pMenu) : // constructor
MENULEN(5), LINELEN(11), VISLNUM(5), FONTHI(13), act(0)
{
firstvln=0; lastvln=0; displn=0;
act=0;
MENULEN = menulen; // number of available menu options
LINELEN = linelen; // line length of menu options
preMenu = pMenu; // predesessor menu
list = new char*[MENULEN];
for(int i = 0; i < MENULEN; i++)
{
list[i] = new char[LINELEN+1];
strncpy( list[i], extlist[i], LINELEN); // <<<< Hier funktioniert es nicht !!
}
}
void initscr(int16_t vislnum, uint8_t fonthi ) { // ()=defaults=(5,13)
VISLNUM = vislnum; // number of visible menu options
FONTHI = fonthi;
}
void mdisplay() {
if(act>VISLNUM-1) firstvln=_min(act-1, MENULEN-VISLNUM);
else firstvln=0;
lastvln=firstvln+VISLNUM-1;
display.clearDisplay();
for(int i=firstvln; i<=lastvln; i++) {
displn=(FONTHI-3) + (i-firstvln)*FONTHI;
if(i==act) {
display.setCursor(0, displn); display.print('>');
Serial.print('>');
}
else Serial.print(' ');
Serial.println(list[i]);
display.setCursor(11, displn); display.print(list[i]);
}
display.display();
Serial.println();
}
int32_t checkbtn(int8_t btop, int8_t bbtm, int8_t bfunc) {
if(btop==1){ // dec
if(act>0) act--;
//Serial.print ("^"); Serial.println(act);
mdisplay();
return 11 ;
}
if(btop==3){ // min
act=0;
//Serial.print ("^"); Serial.println(act);
mdisplay();
return 13 ;
}
if(bbtm==1){ // inc
if(act<MENULEN-1) act++;
//Serial.print ("v"); Serial.println(act);
mdisplay();
return 21;
}
if(bbtm==3){ // max
act=MENULEN-1;
//Serial.print ("v"); Serial.println(act);
mdisplay();
return 23;
}
if(bfunc==1){
sprintf(buf,"MenuLn %d ToDo=%d", act,bfunc);
Serial.println(buf);
return 1;
}
if(bfunc==2){
sprintf(buf,"MenuLn %d ToDo=%d", act,bfunc);
Serial.println(buf);
}
if(bfunc==3){
sprintf(buf,"MenuLn %d ToDo=%d", act,bfunc);
Serial.println(buf);
return 3;
}
return 0;
}
~tMenu() { // destructor
// Dynamically delete the array
delete[] list ;
}
};
char mlist0[6][11] = {"Titel 0","Zeile1","zu menu02>","Zeile3","Zeile4","Zeile5"};
tMenu menu0(6,11, (char**)mlist0, &menu0); // numEntries, lineLength, preMenu (N/A);
char mlist02[5][11] = {"Titel 02","ESC>","Zeile2","Zeile3","zu menu024"};
tMenu menu02(5,11, (char**)mlist02, &menu0); // numEntries, lineLength, preMenu=menu0;
char mlist024[6][11] = {"Titel 024","ESC >","Ja","Nein","foo","bas"};
tMenu menu024(6,11, (char**)mlist024, &menu02); // numEntries, lineLength, preMenu=menu02;
tMenu * actMenu = &menu0;
//----------------------------------------------------------------------------
// OLED dashboard
//----------------------------------------------------------------------------
void dashboard(int8_t mode) {
display.clearDisplay();
display.setFont();
if (mode == 0) {
display.setFont(); // h=8.0 pt
display.setCursor( 0, 0); display.print(" 0 Hello World 1");
}
display.display();
display.setFont();
}
void setup(void)
{
// Start Serial
Serial.begin(115200);
delay(3000); // wait for Serial()
Serial.println("Serial started");
/*
btn0.init(D6, INPUT_PULLUP, 50);
btn1.init(D3, INPUT_PULLUP, 50);
btnEnter.init(D4, INPUT_PULLUP, 50);
*/
// Start Wire (SDA, SCL)
//Wire.begin(ESPSDA,ESPSCL); // !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
Wire.begin();
// SSD1306 Init
display.begin(SSD1306_SWITCHCAPVCC); // Switch OLED
//display.begin(SSD1306_SWITCHCAPVCC, 0x3D, true, false);
display.setRotation(2);
display.clearDisplay(); // Clear the buffer.
// text display tests
display.setTextSize(1);
display.setTextColor(WHITE);
display.setCursor(0,0);
display.println("Hello, world!");
display.display();
//--------------------------------------
// test + debug
display.setFont(&FreeMono9pt7b); // h=13.10pt
display.clearDisplay();
display.display();
Serial.println("menu init:");
strcpy(menu0.list[0], " menu0"); // debug: menu name at top line
strcpy(menu02.list[0], " menu02"); // debug: menu name at top line
strcpy(menu024.list[0], " menu024"); // debug: menu name at top line
Serial.println("actMenu=menu0");
actMenu = &menu0; //
actMenu->mdisplay();
actMenu = &menu02; //
actMenu->mdisplay();
actMenu = &menu024; //
actMenu->mdisplay();
delay(1);
}
void loop() {
int32_t result;
/*
result = actMenu->checkbtn(btn0.click(), btn1.click(), btnEnter.click() );
if(result==3) { // long press btnEnter
if( (actMenu==&menu0) && actMenu->act==2) {
actMenu = &menu02;
actMenu->mdisplay();
}
else
if( (actMenu==&menu02) && actMenu->act==4) {
actMenu = &menu024;
actMenu->mdisplay();
}
else
if( (actMenu==&menu02) && actMenu->act==1) {
actMenu = actMenu->preMenu;
actMenu->mdisplay();
}
else
if( (actMenu==&menu024) && actMenu->act==1) {
actMenu = actMenu->preMenu;
actMenu->mdisplay();
}
}
*/
}
(Ausgabe über Serial + über OLED, aber OLED lässt sich auch auskommentieren)
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