Software added
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Software_development/Code.ino
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383
Software_development/Code.ino
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#include <LiquidCrystal.h>
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// LCD
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#define rs 2
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#define en 3
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#define d4 4
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#define d5 5
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#define d6 6
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#define d7 7
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LiquidCrystal lcd(rs, en, d4, d5, d6, d7);
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// Encoder inicialization
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#define CLK 10
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#define DT 9
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#define SW 8
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// Borders for buttons
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#define UP_const 100
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#define DOWN_const_high 600
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#define DOWN_const_low 400
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// Discharge button
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#define DISCH_PIN 11
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// Output pin
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#define OUT_PIN_1 12
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#define OUT_PIN_2 21
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#define OUT_PIN_3 20
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// Variables
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int counter_case_1 = 0;
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int currentStateCLK;
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int lastStateCLK;
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String currentDir ="";
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unsigned long lastButtonPress = 0;
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unsigned long DICHARGElastButtonPress = 0;
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bool button_UP_pressed=false;
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bool button_DOWN_pressed=false;
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bool button_UP_status=false;
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bool button_DOWN_status=false;
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bool Case_0_status=false;
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bool Case_1_status=false;
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bool Case_2_status=false;
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int menu_status=0;
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bool menu_status_CHANGE=false;
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float voltage_level=0;
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float voltage_step=1;
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int x, x_check;
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int battery_status=-1, battery_status_update=-1, battery_level=0;
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int puls_freq=11; //puls frequency in kHz
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void setup() {
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// LCD initialization
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lcd.begin(20, 4);
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lcd.clear();
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lcd.setCursor(7, 1);
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lcd.print("O-ESD");
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lcd.setCursor(6, 2);
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lcd.print("WELCOME");
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delay(3000);
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lcd.clear();
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lcd.setCursor(1, 0);
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lcd.print("Battery: ");
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lcd.setCursor(0, 1);
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lcd.print(">Discharge: Contact");
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lcd.setCursor(1, 2);
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lcd.print("Frequency: 11 kHz");
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lcd.setCursor(1, 3);
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lcd.print("Mode: Single");
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// Encoder initialization
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pinMode(CLK,INPUT);
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pinMode(DT,INPUT);
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pinMode(SW, INPUT_PULLUP);
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lastStateCLK = digitalRead(CLK);
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// Output pin
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digitalWrite(OUT_PIN_1, LOW);
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pinMode(OUT_PIN_1, OUTPUT);
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digitalWrite(OUT_PIN_2, HIGH);
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pinMode(OUT_PIN_2, OUTPUT);
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digitalWrite(OUT_PIN_3, LOW);
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pinMode(OUT_PIN_3, OUTPUT);
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}
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void loop() {
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battery_level=analogRead(1);
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//lcd.setCursor(0, 0);
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//lcd.print("Battery: ");
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if (battery_level < 650) {battery_status_update=0;} //under 3.7 V
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else {if (650 < battery_level && battery_level < 675) battery_status_update=1;
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else {if (675 < battery_level && battery_level < 700) battery_status_update=2;
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else {if (700 < battery_level && battery_level < 725) battery_status_update=3;
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else {if (725 < battery_level && battery_level < 750) battery_status_update=4;
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else {if (750 < battery_level && battery_level < 775) battery_status_update=5;
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else {if (775 < battery_level && battery_level < 800) battery_status_update=6;
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else {if (800 < battery_level && battery_level < 825) battery_status_update=7;
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else {if (825 < battery_level && battery_level < 850) battery_status_update=8;
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else {if (850 < battery_level && battery_level < 860) battery_status_update=9;
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else {battery_status_update=10;}
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} } } } } } } } }
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if (battery_status!=battery_status_update) {
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switch (battery_status_update){
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case 0: lcd.setCursor(9, 0); lcd.print(" "); lcd.setCursor(12, 0);lcd.print("Low"); break; //under 3.7 V
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case 1: lcd.setCursor(9, 0); lcd.print(" "); lcd.setCursor(19, 0); lcd.print(char(255)); break;
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case 2: lcd.setCursor(9, 0); lcd.print(" "); lcd.setCursor(18, 0); lcd.print(char(255));lcd.print(char(255)); break;
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case 3: lcd.setCursor(9, 0); lcd.print(" "); lcd.setCursor(17, 0); lcd.print(char(255));lcd.print(char(255));lcd.print(char(255)); break;
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case 4: lcd.setCursor(9, 0); lcd.print(" "); lcd.setCursor(16, 0); lcd.print(char(255));lcd.print(char(255));lcd.print(char(255));lcd.print(char(255)); break;
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case 5: lcd.setCursor(9, 0); lcd.print(" "); lcd.setCursor(15, 0); lcd.print(char(255));lcd.print(char(255));lcd.print(char(255));lcd.print(char(255));lcd.print(char(255)); break;
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case 6: lcd.setCursor(9, 0); lcd.print(" "); lcd.setCursor(14, 0); lcd.print(char(255));lcd.print(char(255));lcd.print(char(255));lcd.print(char(255));lcd.print(char(255));lcd.print(char(255)); break;
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case 7: lcd.setCursor(9, 0); lcd.print(" "); lcd.setCursor(13, 0); lcd.print(char(255));lcd.print(char(255));lcd.print(char(255));lcd.print(char(255));lcd.print(char(255));lcd.print(char(255));lcd.print(char(255)); break;
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case 8: lcd.setCursor(9, 0); lcd.print(" "); lcd.setCursor(12, 0); lcd.print(char(255));lcd.print(char(255));lcd.print(char(255));lcd.print(char(255));lcd.print(char(255));lcd.print(char(255));lcd.print(char(255));lcd.print(char(255)); break;
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case 9: lcd.setCursor(9, 0); lcd.print(" "); lcd.setCursor(11, 0); lcd.print(char(255));lcd.print(char(255));lcd.print(char(255));lcd.print(char(255));lcd.print(char(255));lcd.print(char(255));lcd.print(char(255));lcd.print(char(255));lcd.print(char(255)); break;
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case 10: lcd.setCursor(9, 0); lcd.print(" "); lcd.setCursor(12, 0);lcd.print("Problem"); break;
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}
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battery_status=battery_status_update;
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}
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if (menu_status_CHANGE) {
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switch (menu_status) {
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case 0:
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lcd.setCursor(0, 2);
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lcd.print(" ");
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lcd.setCursor(0, 3);
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lcd.print(" ");
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lcd.setCursor(0, 1);
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lcd.print(">");
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break;
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case 1:
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lcd.setCursor(0, 1);
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lcd.print(" ");
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lcd.setCursor(0, 3);
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lcd.print(" ");
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lcd.setCursor(0, 2);
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lcd.print(">");
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break;
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case 2:
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lcd.setCursor(0, 1);
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lcd.print(" ");
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lcd.setCursor(0, 2);
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lcd.print(" ");
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lcd.setCursor(0, 3);
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lcd.print(">");
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break;
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}
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menu_status_CHANGE=false;
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}
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// Handle buttons
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x = analogRead (0);
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delay(1);
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if (x < UP_const && !button_UP_pressed) {
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delay(5);
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x_check=analogRead(0);
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if(x_check < UP_const) {
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button_UP_pressed=true;
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}
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if(button_UP_pressed){
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if (menu_status>0){
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menu_status=menu_status-1;
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menu_status_CHANGE=true;
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}
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}
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while(button_UP_pressed)
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{
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delay(10);
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x_check=analogRead(0);
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if(x_check<UP_const){
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button_UP_pressed=true;
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}
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else {button_UP_pressed=false;}
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}
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}
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if (x < DOWN_const_high && x > DOWN_const_low && !button_DOWN_pressed) {
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delay(5);
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x_check=analogRead(0);
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if(x_check< DOWN_const_high && x_check>DOWN_const_low){
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button_DOWN_pressed=true;
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}
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if(button_DOWN_pressed){
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if (menu_status<2){
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menu_status=menu_status+1;
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menu_status_CHANGE=true;
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}
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while(button_DOWN_pressed)
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{
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delay(10);
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x_check=analogRead(0);
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if(x_check<DOWN_const_high && x_check>DOWN_const_low){
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button_DOWN_pressed=true;
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}
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else {button_DOWN_pressed=false;}
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}
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}
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}
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delay(1);
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// Encoder check
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if (menu_status==1){
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currentStateCLK = digitalRead(CLK);
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if (currentStateCLK != lastStateCLK && currentStateCLK == 1){
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if (digitalRead(DT) != currentStateCLK) {
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if (Case_1_status) {
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puls_freq=puls_freq-1;
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}
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else {
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puls_freq=puls_freq-1;
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}
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currentDir ="CCW";
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}
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else {
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if (Case_1_status) {
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puls_freq=puls_freq+1;
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}
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else {
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puls_freq=puls_freq+1;
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}
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currentDir ="CW";
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}
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lcd.setCursor(12, 2);
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lcd.print(" ");
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lcd.setCursor(12, 2);
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lcd.print(puls_freq,1);
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lcd.print(" kHz");
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}
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lastStateCLK = currentStateCLK;
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}
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int btnState = digitalRead(SW);
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if (btnState == LOW) {
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if (millis() - lastButtonPress > 50) {
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switch (menu_status){
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case 0:
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if (Case_0_status) {
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lcd.setCursor(12, 1);
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lcd.print(" ");
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lcd.setCursor(12, 1);
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lcd.print("Contact");
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Case_0_status=false;
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}
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else {
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lcd.setCursor(12, 1);
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lcd.print(" ");
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lcd.setCursor(12, 1);
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lcd.print("Air");
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Case_0_status=true;
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}
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break;
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case 1:
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if (Case_1_status){
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Case_1_status=false;
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}
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else{
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Case_1_status=true;
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}
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break;
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case 2:
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if (Case_2_status) {
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lcd.setCursor(12, 3);
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lcd.print(" ");
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lcd.setCursor(12, 3);
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lcd.print("Single");
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Case_2_status=false;
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}
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else {
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lcd.setCursor(12, 3);
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lcd.print(" ");
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lcd.setCursor(12, 3);
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lcd.print("Pulse");
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Case_2_status=true;
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}
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break;
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}
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}
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lastButtonPress = millis();
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}
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//Button for disharge start
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int Mode=5;
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if (!Case_0_status && !Case_2_status) Mode=1; // Contact discharge, Single
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if (!Case_0_status && Case_2_status) Mode=2; // Contact discharge, Repetition
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if (Case_0_status && !Case_2_status) Mode=3; // Air discharge, Single
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if (Case_0_status && Case_2_status) Mode=4; // Air discharge, Repetition
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int DICHARGEbtnState = digitalRead(DISCH_PIN);
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if (DICHARGEbtnState == HIGH) {
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if (millis() - DICHARGElastButtonPress > 50) {
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lcd.clear();
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lcd.setCursor(6,1);
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lcd.print("TESTING");
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lcd.setCursor(5,2);
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lcd.print("DISCHARGE");
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int us_delay=1000/(2*puls_freq);
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for (int counter=0; counter<20000; counter++)
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{
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digitalWrite(OUT_PIN_1, HIGH);
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digitalWrite(OUT_PIN_2, LOW);
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delayMicroseconds(us_delay);
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digitalWrite(OUT_PIN_1, LOW);
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digitalWrite(OUT_PIN_2, HIGH);
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delayMicroseconds(us_delay);
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}
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digitalWrite(OUT_PIN_3, HIGH);
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delay(100);
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digitalWrite(OUT_PIN_3, LOW);
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lcd.clear();
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lcd.setCursor(1, 0);
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lcd.print("Battery: ");
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lcd.setCursor(1, 1);
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lcd.print("Discharge: Contact");
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lcd.setCursor(0, 2);
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lcd.print(">Frequency: ");
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lcd.setCursor(12, 2);
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lcd.print(puls_freq,1);
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lcd.print(" kHz");
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lcd.setCursor(1, 3);
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lcd.print("Mode: Single");
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}
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DICHARGElastButtonPress = millis();
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lcd.setCursor(1, 0);
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lcd.print("Battery: ");
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switch (battery_status){
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case 0: lcd.setCursor(9, 0); lcd.print(" "); lcd.setCursor(12, 0);lcd.print("Low"); break; //under 3.7 V
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case 1: lcd.setCursor(9, 0); lcd.print(" "); lcd.setCursor(19, 0); lcd.print(char(255)); break;
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case 2: lcd.setCursor(9, 0); lcd.print(" "); lcd.setCursor(18, 0); lcd.print(char(255));lcd.print(char(255)); break;
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case 3: lcd.setCursor(9, 0); lcd.print(" "); lcd.setCursor(17, 0); lcd.print(char(255));lcd.print(char(255));lcd.print(char(255)); break;
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case 4: lcd.setCursor(9, 0); lcd.print(" "); lcd.setCursor(16, 0); lcd.print(char(255));lcd.print(char(255));lcd.print(char(255));lcd.print(char(255)); break;
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case 5: lcd.setCursor(9, 0); lcd.print(" "); lcd.setCursor(15, 0); lcd.print(char(255));lcd.print(char(255));lcd.print(char(255));lcd.print(char(255));lcd.print(char(255)); break;
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case 6: lcd.setCursor(9, 0); lcd.print(" "); lcd.setCursor(14, 0); lcd.print(char(255));lcd.print(char(255));lcd.print(char(255));lcd.print(char(255));lcd.print(char(255));lcd.print(char(255)); break;
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case 7: lcd.setCursor(9, 0); lcd.print(" "); lcd.setCursor(13, 0); lcd.print(char(255));lcd.print(char(255));lcd.print(char(255));lcd.print(char(255));lcd.print(char(255));lcd.print(char(255));lcd.print(char(255)); break;
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case 8: lcd.setCursor(9, 0); lcd.print(" "); lcd.setCursor(12, 0); lcd.print(char(255));lcd.print(char(255));lcd.print(char(255));lcd.print(char(255));lcd.print(char(255));lcd.print(char(255));lcd.print(char(255));lcd.print(char(255)); break;
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case 9: lcd.setCursor(9, 0); lcd.print(" "); lcd.setCursor(11, 0); lcd.print(char(255));lcd.print(char(255));lcd.print(char(255));lcd.print(char(255));lcd.print(char(255));lcd.print(char(255));lcd.print(char(255));lcd.print(char(255));lcd.print(char(255)); break;
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case 10: lcd.setCursor(9, 0); lcd.print(" "); lcd.setCursor(12, 0);lcd.print("Problem"); break;
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}
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}
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}
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10
Software_development/Readme.txt
Normal file
10
Software_development/Readme.txt
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This folder contains codes for O-ESD microcontroller(s) that orchestrate all functionalities.
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Due to the ESD tests, the Arduino Nano & Arduino Nano Every are selected as microcontrollers. Hence, the code is for Arduino Nano family of microcontrollers.
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The currently used code in O-ESD prototypes can be found in Code.ino. Note that only functionalities used up to this moment are coded, while the place-holders are put for additional functionalities that are planed. This code is under development and will change.
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Additionally, the code for synthesis of pulse trains of precise frequency can be found in Registers.ino. It is primarily used to test prototypes.
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53
Software_development/Registers.ino
Normal file
53
Software_development/Registers.ino
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@ -0,0 +1,53 @@
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void setup ()
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{
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//--- These lines set-up output at pins #9 and #10 for push-pull and are implemented in hardware ---//
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digitalWrite( 9, HIGH); // set pin #9 to HIGH
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pinMode ( 9, OUTPUT); // pin #9 in output mode
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digitalWrite(10, LOW ); // set pin #10 to LOW
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pinMode (10, OUTPUT); // pin #10 in output mode
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TCCR1A = 0; // Timer/Counter Control Register 1A set to 0
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TCCR1B = 0; // Timer/Counter Control Register 1B set to 0
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TCNT1 = 0; // Set counter for timer #1 to 0
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uint16_t freq = 9000;
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uint16_t tc = 8000000/freq;
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// 2 -> 4000 kHz
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// 20 -> 400 kHz
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// 200 -> 40 kHz
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// 800 -> 10 kHz
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// 1600 -> 5 kHz
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// 2000 -> 4 kHz
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ICR1 = tc;
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OCR1A = tc/2; // number of ticks for counter 1A - Output Compare Register for A
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OCR1B = tc/2; // set number of ticks for counter 1B to the same value as for 1A - Output Compare Register for B
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TCCR1A |= (0 << COM1A0); // enable toggling output A - Compare Match Output A Mode bit set to 1/*
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||||
TCCR1A |= (1 << COM1A1);
|
||||
TCCR1A |= (1 << COM1B0); // enable toggling output B - Compare Match Output B Mode bit set to 1
|
||||
TCCR1A |= (1 << COM1B1);
|
||||
|
||||
// Phase and Frequency correct PWM with TOP set by ICR1
|
||||
TCCR1B |= (1 << WGM13); // WGM=8
|
||||
|
||||
TCCR1B &= ~((1 << CS12) | (1 << CS11) | (1 << CS10)); // Clear the three clock select bits
|
||||
TCCR1B |= (1 << CS10);
|
||||
|
||||
// see https://ww1.microchip.com/downloads/aemDocuments/documents/MCU08/ProductDocuments/DataSheets/ATmega48A-PA-88A-PA-168A-PA-328-P-DS-DS40002061B.pdf
|
||||
// sections 16, 17, 18 for details
|
||||
|
||||
// f = fclk/(2*N*(1+OCR1A))
|
||||
// N variable represents the prescale factor (1, 8, 32, 64, 128, 256, or 1024), set CS10/CS11/CS12 appropriately
|
||||
|
||||
// find values of OCR1A for frequencies of interest
|
||||
// consider using timer #2!
|
||||
|
||||
}
|
||||
|
||||
void loop() {
|
||||
// put your main code here, to run repeatedly:
|
||||
|
||||
}
|
||||
|
||||
|
||||
Loading…
Reference in a new issue