//8CH RC Transmitter with OLED display interface for Menu Options i.e Reverse, Borders, Elevon, Servo Trim, Battery & Factory Reset.
//The Transmitter now has got STM32F103 aka BluePil and is an upgrade version of the previous with Nano and NRF24LO1.
//by Neel. 10.01.2024
#include <SPI.h>
#include <Wire.h>
#include <Adafruit_GFX.h>
#include <Adafruit_SSD1306.h>
//#include <EEPROM.h> //No!! EEPROM in STM32F103
#include "icon_arrays.h" //header file contains OLED icon/images arrays
#define SCREEN_WIDTH 128 // OLED display width, in pixels
#define SCREEN_HEIGHT 64 // OLED display height, in pixels
#define OLED_RESET -1 // Reset pin # (or -1 if sharing Arduino reset pin)
#define SCREEN_ADDRESS 0x3c ///< See datasheet for Address;
Adafruit_SSD1306 display(SCREEN_WIDTH, SCREEN_HEIGHT, &Wire, OLED_RESET);
//
//See icon_arrays.h for icon & images arrays
//
// pins for buttons >> dn, up, back/cancel, select/Ok >> Wokwi Btn Color YLW,GRN,BLU,RED
#define dnKey 9
#define upKey 10
#define bacKey 11
#define selKey 12
#define potPin A0 //for debugging & testing on wokwi.com only.
int potVal; int value;
//const byte dnKey = 9, upKey = 10, bacKey = 11, selKey = 12; // pins for buttons up, dn, back, select
byte page1 = 0; //Main Menu page switch case // Menu Options i.e Reverse, Borders, Elevon, Servo Trim, Battery & Factory Reset Transmitter
byte page2 = 0; //Reverse menu switch case // Channel Reverse function To Opposite movement of servo
byte page3 = 0; //Boarders menu switch case // set the PWM maximun & minimum // Servo max-min movement
byte page4 = 0; //Elevon menu switch case // Elevon menu is for Mixing Roll & Pitch for deltaWings
byte page5 = 0; byte rollPg = 1; byte pitchPg = 1; byte thtPg = 1; byte yawPg = 1; //Borders Max-Min Selection
//Current menus status. // 0 = not selected & 1 = selected.
bool menuStatus = 0; bool reverseStatus = 0; bool borderStatus = 0; bool elevonStatus = 0; bool offsetStatus = 0;
bool trimStaus = 0; bool batteryStatus = 0; bool resetStatus = 0; //Current menus/sub menu status for entering concern menu while loop
bool rollStatus = 0; bool pitchStatus = 0; bool thtStatus = 0; bool yawStatus = 0;
// Channels Border Set.
int rollMax = 255; int rollMin = 0; int pitchMax = 255; int pitchMin = 0; // Max & Min Borders for servo movement called in Border_Map Function
int thtMax = 255; int thtMin = 0; int yawMax = 255; int yawMin = 0;
// Channels Reverse Status.
bool revCh1 = false; bool revCh2 = false; bool revCh3 = false; bool revCh4 = false; // Channels Reverse Status.
bool revCh5 = false; bool revCh6 = false; bool revCh7 = false; bool revCh8 = false;
// Elevon Status
bool elevonMix = false; // Elevon mode status. //True = Activated,
byte offsetMix = 50; // Roll+Pitch mix offset in %, default 50%,
bool resetData = false; // true when user Reset the Tx from Reset menu and all Setting EEPROM data cleared
void setup() {
pinMode(dnKey, INPUT_PULLUP);
pinMode(upKey, INPUT_PULLUP);
pinMode(bacKey, INPUT_PULLUP);
pinMode(selKey, INPUT_PULLUP);
// SSD1306_SWITCHCAPVCC = generate display voltage from 3.3V internally
if (!display.begin(SSD1306_SWITCHCAPVCC, SCREEN_ADDRESS)) {
//Serial.println(F("SSD1306 allocation failed"));
for (;;); // Don't proceed, loop forever
}
display.clearDisplay();
}
void loop() {
//
//Put Transmitter Main Code Here
//
//readRevEeprom(); // Check h_eeprom_data.ino for functions
mainPage(); // main ch value page default screen i.e home page //Check b_mainPage.ino for functions
checkMenuStatus();
while (menuStatus == 1 ) { // menu page after press select/ok button
menuCheck(); // Check c_MenuPage.ino for functions
updateMenu();
checkMenuStatus();
checkReverseStatus();
checkBorderStatus();
checkElevonStatus();
checkBatteryStatus();
//checkResetStatus(); //No!! EEPROM on STM32F103
while (reverseStatus == 1) { //sub menu Reverse Page //menuPage/reversePage
reverseCheck(); //Check d_ChXReverse.ino for functions
updateReverse();
checkReverseStatus();
}
while (borderStatus == 1) { //sub menu Borders Page //menuPage/BordersPage
borderCheck(); // Check g_borderMenu.ino for functions
updateBorder();
checkBorderStatus();
checkRollStatus();
checkPitchStatus();
checkThtStatus();
checkYawStatus();
while (rollStatus == 1) { //menuPage/borderPage/rollPage roll max min set
rollCheck();
updateRoll();
checkRollStatus();
}
while(pitchStatus==1){ //menuPage/borderPage/pitchPage pitch max min set
pitchCheck();
updatePitch();
checkPitchStatus();
}
while(thtStatus==1){ //menuPage/borderPage/throttlePage thtrl max min set
thtCheck();
updateTht();
checkThtStatus();
}
while(yawStatus==1){ //menuPage/borderPage/yawPage yaw max min set
yawCheck();
updateYaw();
checkYawStatus();
}
}// BorderMenu While End
while (elevonStatus == 1) { //sub menu Elevon Page //menuPage/elevonPage
elevonCheck(); // Check f_elevonMenu.ino for functions
updateElevon();
checkElevonStatus();
checkOffsetStatus();
while (offsetStatus == 1) { //menuPage/elevonPage/offsetPage
offsetPage();
checkOffsetStatus();
}
}
while (batteryStatus == 1) { //sub menu Battery Page //menuPage/BatteryPage
batteryPage();
checkBatteryStatus(); // Check e_batteryAndReset.ino for functions
}
/*while (resetStatus == 1 && resetData == false) { //sub menu Battery Page //menuPage/BatteryPage
resetPage();
resetDone();
checkResetStatus();
}*/
}//Menu Mode while loop end
}//Main void loop() end
/*
void trimPage(){ // Temporary Under Construction.
display.clearDisplay();
display.setTextColor(1);
display.setTextSize(1);
display.setCursor(10, 8);
display.setTextWrap(false);
display.print("THIS PAGE IS UNDER");
display.setTextColor(1);
display.setTextSize(1);
display.setCursor(28, 24);
display.setTextWrap(false);
display.print("CONSTRUCTION");
display.setTextColor(1);
display.setTextSize(3);
display.setCursor(36, 38);
display.setTextWrap(false);
display.print("(!)");
display.display();
} // Due to Shortage of Memory(ROM) on Atmega328 boards could not be completed
*/