Ciao Uwefed, intanto grazie per l'interessamento, ti posto il codice che ho modificato alla parte
"// parte reset carrello"
ti confesso che non ho provato, cmq alla accensione, probabilmente, se non ho fatto errori, il motore dovrebbe indietreggiare per cercare il sensore, una volta trovato dovrebbe passare al while successivo.
Come vedi ho definito anche un pin "pul_rst" perchè credo sia pericoloso far partire il carrellino in automatico alla accensione della macchinetta, per cui, se possibile, vorrei far partire il reset previa pressione del pulsante.
Posso poi associare una spia che mi avverte che devo pigiare il pulsante di reset?
Sicuramente ho scritto un sacco di errori, ma sto cercando di imparare qualcosa!
Grazie e saluti
Mimmocap
#include <AccelStepper.h> // AccelStepper Library
#include <Keypad.h> // Keypad Library
#include "U8glib.h" // U8glib for Nokia LCD
// Variables to hold entered number on Keypad
volatile int firstnumber=99; // used to tell how many numbers were entered on keypad
volatile int secondnumber=99;
volatile int thirdnumber=99;
volatile int fourthnumber=99;
// Variables to hold Distance and CurrentPosition
int keyfullnumber=0; // used to store the final calculated distance value
String currentposition = ""; // Used for display on Nokia LCD
// Keypad Setup
const byte ROWS = 4; // Four Rows
const byte COLS = 4; // Four Columns
char keys[ROWS][COLS] = {
{'1','2','3','A'},
{'4','5','6','B'},
{'7','8','9','C'},
{'*','0','#','D'}
};
byte rowPins[ROWS] = {22, 24, 26, 28}; // Arduino pins connected to the row pins of the keypad
byte colPins[COLS] = {31, 33, 35, 37}; // Arduino pins connected to the column pins of the keypad
Keypad keypad = Keypad( makeKeymap(keys), rowPins, colPins, ROWS, COLS ); // Keypad Library definition
// U8glib Setup for Nokia LCD
#define backlight_pin 11
U8GLIB_PCD8544 u8g(3, 4, 6, 5, 7); // Arduino pins connected to Nokia pins:
// CLK=3, DIN=4, CE=6, DC=5, RST=7
// AccelStepper Setup
AccelStepper stepper(1, A0, A1); // 1 = Easy Driver interface
// Arduino A0 connected to STEP pin of Easy Driver
// Arduino A1 connected to DIR pin of Easy Driver
// parte pin reset carrello
#define limitPin 9
#define pul_rst 10
void setup(void) {
// Light up the LCD backlight LEDS
analogWrite(backlight_pin, 0); // Set the Backlight intensity (0=Bright, 255=Dim)
// AccelStepper speed and acceleration setup
stepper.setMaxSpeed(3000); // Not to fast or you will have missed steps
stepper.setAcceleration(400); // Same here
// parte while reset carrello
while(1) {
step_backward(); //motore indietro
if( digitalRead(limitPin) == LOW) break; //Sensore spento
}
motorpos = 0; //set posizione zero
// Draw starting screen on Nokia LCD
u8g.firstPage();
do {
u8g.drawHLine(0, 15, 84);
u8g.drawVLine(50, 16, 38);
u8g.drawHLine(0, 35, 84);
u8g.setFont(u8g_font_profont11);
u8g.drawStr(0, 10, "DIGITA MISURA");
u8g.drawStr(62, 29, "MM");
u8g.drawStr(4, 46, "MISURA");
}
while( u8g.nextPage() );
}
void loop(){
char keypressed = keypad.getKey(); // Get value of keypad button if pressed
if (keypressed != NO_KEY){ // If keypad button pressed check which key it was
switch (keypressed) {
case '1':
checknumber(1);
break;
case '2':
checknumber(2);
break;
case '3':
checknumber(3);
break;
case '4':
checknumber(4);
break;
case '5':
checknumber(5);
break;
case '6':
checknumber(6);
break;
case '7':
checknumber(7);
break;
case '8':
checknumber(8);
break;
case '9':
checknumber(9);
break;
case '0':
checknumber(0);
break;
case '*':
deletenumber();
break;
case '#':
calculatedistance();
break;
}
}
}
void checknumber(int x){
if (firstnumber == 99) { // Check if this is the first number entered
firstnumber=x;
String displayvalue = String(firstnumber); // Transform int to a string for display
drawnokiascreen(displayvalue); // Redraw Nokia lcd
} else {
if (secondnumber == 99) { // Check if it's the second number entered
secondnumber=x;
String displayvalue = (String(firstnumber) + String(secondnumber));
drawnokiascreen(displayvalue);
} else {
if (thirdnumber == 99) { // Check if it's the 3rd number entered
thirdnumber=x;
String displayvalue = (String(firstnumber) + String(secondnumber) + String(thirdnumber));
drawnokiascreen(displayvalue);
} else { // It must be the 3rd number entered
fourthnumber=x;
String displayvalue = (String(firstnumber) + String(secondnumber) + String(thirdnumber) + String(fourthnumber));
drawnokiascreen(displayvalue);
}
}
}
}
void deletenumber() { // Used to backspace entered numbers
if (fourthnumber !=99) {
String displayvalue = (String(firstnumber) + String(secondnumber) + String(fourthnumber));
drawnokiascreen(displayvalue);
fourthnumber=99;
}
else {
if (thirdnumber !=99) {
String displayvalue = (String(firstnumber) + String(secondnumber));
drawnokiascreen(displayvalue);
thirdnumber=99;
}
else {
if (secondnumber !=99) {
String displayvalue = String(firstnumber);
drawnokiascreen(displayvalue);
secondnumber=99;
}
else {
if (firstnumber !=99) {
String displayvalue = "";
drawnokiascreen(displayvalue);
firstnumber=99;
}
}
}
}
}
void calculatedistance() { // Used to create a full number from entered numbers
if (fourthnumber == 99 && thirdnumber == 99 && secondnumber == 99 && firstnumber != 99) {
keyfullnumber=firstnumber;
movestepper(keyfullnumber);
}
if (secondnumber != 99 && thirdnumber == 99 && fourthnumber == 99) {
keyfullnumber=(firstnumber*10)+secondnumber;
movestepper(keyfullnumber);
}
if (thirdnumber != 99 && fourthnumber == 99) {
keyfullnumber=(firstnumber*100)+(secondnumber*10)+thirdnumber;
movestepper(keyfullnumber);
}
if (fourthnumber != 99) {
keyfullnumber=(firstnumber*1000)+(secondnumber*100)+(thirdnumber*10)+fourthnumber;
movestepper(keyfullnumber);
}
resetnumbers(); // Reset numbers to get ready for new entry
}
void movestepper(int z) { // Move the stepper
long calculatedmove=(z*40L); // Calculate number of steps needed in mm
stepper.runToNewPosition(calculatedmove);
currentposition = String(z);
u8g.firstPage();
do {
u8g.drawHLine(0, 15, 84);
u8g.drawVLine(50, 16, 38);
u8g.drawHLine(0, 35, 84);
u8g.setFont(u8g_font_profont11);
u8g.drawStr(0, 10, "DIGITA MISURA");
u8g.drawStr(62, 29, "MM");
u8g.drawStr(4, 46, "MISURA");
u8g.setPrintPos(57,47);
u8g.print(currentposition);
}
while( u8g.nextPage() );
}
void resetnumbers() { // Reset numbers for next entry
firstnumber=99;
secondnumber=99;
thirdnumber=99;
fourthnumber=99;
}
void drawnokiascreen(String y) {
u8g.firstPage();
do {
u8g.drawHLine(0, 15, 84);
u8g.drawVLine(50, 16, 38);
u8g.drawHLine(0, 35, 84);
u8g.setFont(u8g_font_profont11);
u8g.drawStr(0, 10, "DIGITA MISURA");
u8g.setPrintPos(0,29);
u8g.print(y); // Put entered number on Nokia lcd
u8g.drawStr(62, 29, "MM");
u8g.drawStr(4, 46, "MISURA");
u8g.setPrintPos(57,47);
u8g.print(currentposition); // Display current position of stepper
}
while( u8g.nextPage() );
}