Hi,
This ERROR seems strange？
There do have a: void on_ledBackItemSelected(BackMenuItem* p_menu_item) in the code.
Thanks for help.
Adam
/* https://www.youtube.com/watch?v=wU_NfRFDRE0
*
*
*/
#include <MenuSystem.h>
#include <SPI.h>
#include <Wire.h>
#include <Adafruit_GFX.h>
#include <Adafruit_SSD1306.h>
#include <Streaming.h>
#include <PinChangeInterrupt.h>
#include <Servo.h>
#include "MyRenderer.h"
#include "MyRenderer.cpp"
#include "ToggleMenuItem.h"
#include "ToggleMenuItem.cpp"
#include "NumericDisplayMenuItem.h"
#include "NumericDisplayMenuItem.cpp"
//###############PIN CONFIG############
const uint8_t knobPbPin = 8;
const uint8_t knobAPin = 4;
const uint8_t knobBPin = 2;
//############Serial Config############
const uint32_t serialBaudRate = 115200;
//############LED Pin CONFIG###############
const uint8_t redLEDpin = 6;
const uint8_t greenLEDpin = 3;
const uint8_t blueLEDpin = 5;
//###########Photo Transistor Pin#########
uint8_t photoTransistorPin = A0;
//############Servo Pin Config#########
uint8_t servoPin = 11;
//#############OLED CONFIG#################
#define SCREEN_WIDTH 128 // OLED display width, in pixels
#define SCREEN_HEIGHT 32 // OLED display height, in pixels
// Declaration for an SSD1306 display connected to I2C (SDA, SCL pins)
#define OLED_RESET 4 // Reset pin # (or -1 if sharing Arduino reset pin)
Adafruit_SSD1306 display(SCREEN_WIDTH, SCREEN_HEIGHT, &Wire, OLED_RESET);
const uint8_t textRows = 4;
//############Menu#########
const uint16_t updateMenuInterval = 200;
MyRenderer my_renderer(&display, textRows);
MenuSystem ms(my_renderer);
Menu ledMenu("LED MENU", nullptr);
BackMenuItem ledBackItem("Back", &on_ledBackItemSelected, &ms);
ToggleMenuItem ledPowerItem("LED Power - ", nullptr, "ON", "OFF", false);
NumericMenuItem ledRedItem("Red", nullptr,0,0,255);
NumericMenuItem ledGreenItem("Green", nullptr, 0, 0, 255);
NumericMenuItem ledBlueItem("Blue", nullptr, 0, 0, 255);
NumericDisplayMenuItem photoTransistorItem("Sensor", nullptr, 0);
Menu servoMenu("Servo Menu", nullptr);
BackMenuItem servoBackItem("Back", on_servoBackItemSelected, &ms);
ToggleMenuItem servoPowerItem("Servo Power - ", &on_servoPowerItemSelected, "ON", "OFF", false);
NumericMenuItem servoAngleItem("Set Angle", nullptr, 0, 0, 180);
//##############Servo ###############
Servo myServo;
void setup()
{
Serial.begin(serialBaudRate);
initializeDisplay();
initializeMenu();
initializeKnob();
initializePhotoTransistor();
}
void loop()
{
updateMenu();
updateLEDs();
updateServo();
updatePhotoTransistorValue();
delay(100);
}
void on_ledBackItemSelected(BackMenuItem* p_menu_item)
{
ms.back();
}
void on_servoBackItemSelected(BackMenuItem* p_menu_item)
{
ms.back();
}
void on_servoPowerItemSelected(ToggleMenuItem* p_menu_item)
{
if (p_menu_item->get_state())
myServo.attach(servoPin);
else
myServo.detach();
}
//#######Encoder knob Functions###############
void initializeKnob()
{
pinMode(knobAPin, INPUT_PULLUP);
pinMode(knobBPin, INPUT_PULLUP);
pinMode(knobPbPin, INPUT_PULLUP);
attachPinChangeInterrupt(digitalPinToPinChangeInterrupt(knobBPin), knob_isr, CHANGE);
attachPinChangeInterrupt(digitalPinToPinChangeInterrupt(knobPbPin), pbPressed, FALLING);
}
void knob_isr()
{
//if the encoder knob was rotated, the dirction of motion
//can be decoded as following
if (digitalRead(knobAPin))
{
if (digitalRead(knobBPin)) //knob moved CW
ms.next();
else if (!digitalRead(knobBPin)) //knob moved CCW
ms.prev();
}
}
//button pushed interrupt
void pbPressed()
{
ms.select();
}
//############Update LED##############
void updateLEDs()
{
if (ledPowerItem.get_state())
{
analogWrite(redLEDpin, ledRedItem.get_value());
analogWrite(greenLEDpin, ledGreenItem.get_value());
analogWrite(blueLEDpin, ledBlueItem.get_value());
}
else
{
analogWrite(redLEDpin, 0);
analogWrite(greenLEDpin, 0);
analogWrite(blueLEDpin, 0);
}
}
//#######Phototransistor Functions####
void initializePhotoTransistor()
{
pinMode(photoTransistorPin, INPUT_PULLUP);
}
void updatePhotoTransistorValue()
{
photoTransistorItem.set_value(analogRead(photoTransistorPin));
}
//###########Servo Functions###############
void updateServo()
{
myServo.write(servoAngleItem.get_value());
}
//#######Display Functions###############
void initializeDisplay()
{
// SSD1306_SWITCHCAPVCC = generate display voltage from 3.3V internally
if (!display.begin(SSD1306_SWITCHCAPVCC, 0x3C)) { // Address 0x3C for 128x32
Serial.println(F("SSD1306 allocation failed"));
for (;;); // Don't proceed, loop forever
}
display.clearDisplay();
display.setTextColor(WHITE, BLACK);
display.setTextSize(1);
}
//#######Menu Functions##################
void initializeMenu()
{
Serial << servoAngleItem.get_formatted_value() << endl;
//add menus to root
ms.get_root_menu().add_menu(&ledMenu);
ledMenu.add_item(&ledBackItem);
ledMenu.add_item(&ledPowerItem);
ledMenu.add_item(&ledRedItem);
ledMenu.add_item(&ledGreenItem);
ledMenu.add_item(&ledBlueItem);
ledMenu.add_item(&photoTransistorItem);
ms.get_root_menu().add_menu(&servoMenu);
//servoMenu.add_item(&backItem);
servoMenu.add_item(&servoBackItem);
servoMenu.add_item(&servoPowerItem);
servoMenu.add_item(&servoAngleItem);
//initialize menu update service
ms.display();
}
void updateMenu()
{
ms.display();
}
ERROR:
Arduino: 1.8.3 (Windows 7), Board: "Arduino Nano, ATmega328"
MenuTest:57: error: 'on_ledBackItemSelected' was not declared in this scope
BackMenuItem ledBackItem("Back", &on_ledBackItemSelected, &ms);
^
MenuTest:64: error: 'on_servoBackItemSelected' was not declared in this scope
BackMenuItem servoBackItem("Back", on_servoBackItemSelected, &ms);
^
MenuTest:65: error: 'on_servoPowerItemSelected' was not declared in this scope
ToggleMenuItem servoPowerItem("Servo Power - ", &on_servoPowerItemSelected, "ON", "OFF", false);
^
Multiple libraries were found for "Servo.h"
Used: C:\Users\HUA.DELLV-PC\Documents\Arduino\libraries\Servo
Not used: C:\Users\HUA.DELLV-PC\Documents\Arduino\libraries\Servo-master
Not used: E:\ENGINEERING\DIY\Electronic\ARDUINO\arduino-1.8.3-windows\arduino-1.8.3\libraries\Servo
exit status 1
'on_ledBackItemSelected' was not declared in this scope
This report would have more information with
"Show verbose output during compilation"
option enabled in File -> Preferences.
