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Rough draft of new contact printer library and class layout.

This commit is contained in:
Matt McWilliams 2023-05-25 08:32:42 -04:00
parent b853999188
commit 7dc33b5dc1
4 changed files with 330 additions and 214 deletions
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70
ino/contact_printer/ContactPrinter.cpp Normal file
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#include "ContactPrinter.h"
ContactPrinter::ContactPrinter () {
SetDriveSpeed(drive_speed);
SetSpeedTakeup(takeup_speed);
}
void ContactPrinter::Setup () {
pinMode(drive_pin, OUTPUT);
pinMode(takeup_picture_pin, OUTPUT);
pinMode(takeup_stock_pin, OUTPUT);
digitalWrite(drive_pin, LOW);
digitalWrite(takeup_picture_pin, LOW);
digitalWrite(takeup_stock_pin, LOW);
}
void ContactPrinter::Start () {
RampTakeup(0, takeup_pwm, takeup_ramp_time);
delay(100);
analogWrite(drive_pin, drive_pwm);
}
void ContactPrinter::Stop () {
analogWrite(drive_pin, 0);
analogWrite(takeup_stock_pin, 0);
analogWrite(takeup_picture_pin, 0);
}
void ContactPrinter::SetSpeedTakeup(float speed) {
takeup_speed = speed;
takeup_pwm = round(speed * 255);
}
void ContactPrinter::SetSpeedDrive(float speed) {
drive_speed = speed;
drive_pwm = round(speed * 255);
}
void ContactPrinter::SetDirectionStock(bool clockwise) {
}
void ContactPrinter::SetDirectionPicture(bool clockwise) {
}
void ContactPrinter::RampTakeup(uint16_t start, uint16_t end, uint16_t time) {
uint16_t steps = abs(start - end);
uint16_t step = round(time / steps);
uint16_t pwm = start;
bool dir = end < start;
for (uint16_t i = 0; i < steps; i++) {
if (pwm <= 0 || pwm >= 256) {
break;
}
analogWrite(takeup_stock_pin, pwm);
analogWrite(takeup_picture_pin, pwm);
delay(step);
if (dir) {
pwm++;
} else {
pwm--;
}
}
}
bool ContactPrinter::IsRunning () {
return running;
}

41
ino/contact_printer/ContactPrinter.h Normal file
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#ifndef CONTACT_PRINTER
#define CONTACT_PRINTER
#include <Arduino.h>
class ContactPrinter {
private:
const uint16_t serial_delay = 5;
const uint16_t baud = 57600;
const uint8_t drive_pin = 7;
const uint8_t takeup_picture_pin = 8;
const uint8_t takeup_stock_pin = 9;
volatile float drive_speed = 1f;
volatile float takeup_speed = 1f;
volatile uint16_t drive_pwm;
volatile uint16_t takeup_pwm;
volatile bool running = false;
public:
ContactPrinter();
void Setup();
void Start();
void Stop();
void SetSpeedTakeup(float speed);
void SetSpeedDrive(float speed);
void SetDirectionStock(bool clockwise);
void SetDirectionPicture(bool clockwise);
void RampTakeup(uint16_t start, uint16_t end, uint16_t time);
bool IsRunning ();
};
#endif

217
ino/contact_printer/contact_printer.ino
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#include <Adafruit_NeoPixel.h> #include "ContactPrinter.h";
#include <ArduinoJson.h>
StaticJsonBuffer<200> jsonBuffer;
/*LIGHT VARIABLES*/ void setup () {}
#define NUMPIXELS 1 // Number of Pixies in the strip void loop () {}
#define PIXELPIN 3 // Pin number for SoftwareSerial output;
Adafruit_NeoPixel light = Adafruit_NeoPixel(1, PIXELPIN, NEO_GRB + NEO_KHZ800);
String color = "000,000,000";
volatile int commaR = 0;
volatile int commaG = 0;
String strR = "000";
String strG = "000";
String strB = "000";
volatile int r = 0;
volatile int g = 0;
volatile int b = 0;
/*MOTOR VARIABLES*/
#define PI 3.1415926535897932384626433832795
#define HALF_PI 1.5707963267948966192313216916398
#define TWO_PI 6.283185307179586476925286766559
#define DEG_TO_RAD 0.017453292519943295769236907684886
#define RAD_TO_DEG 57.295779513082320876798154814105
const float RPM = 15.0;
const float RPS = RPM / 60.0;
const float RATIO = 0.5; //Gear ratio
const float THICKNESS = 0.11938; //16mm thickness
volatile int LENGTH = 33000; //mm
String lengthStr = "33000";
volatile float CORE_D = 31.27; //Daylight spool
//2in core
//3in core
//takeup spool?
unsigned long starttime = 0;
unsigned long runtime = 0;
volatile boolean running = false;
//motor pins
const int MOTOR_PIN = 9; //TIP120 -> 2.2k resistor
/*CORE INFO*/
volatile int i = 0;
unsigned long now; //to be compared to stored values every loop
/*COMMANDS*/
volatile char cmd_char = 'z'; //null command default
const char cmd_connect = 'c';
const char cmd_light = 'l';
const char cmd_length = 'f';
const char cmd_start = 's';
const char cmd_stop = 'x';
const int serialDelay = 5;//allows for sending longer strings to arduino in realtime
void setup () {
Serial.begin(57600);
Serial.flush();
Serial.setTimeout(serialDelay);
pinMode(MOTOR_PIN, OUTPUT);
light.begin();
setAll(0, 0, 0);
delay(2000);
reportString("msg", "Connected to contact printer");
}
void loop () {
now = millis();
readCmd();
if (running) {
motor_run();
}
}
void readCmd () {
if (Serial.available()) {
/* read the most recent byte */
cmd_char = (char)Serial.read();
}
if (cmd_char != 'z') {
cmd(cmd_char);
cmd_char = 'z';
}
}
void cmd (const char val) {
if (val == cmd_connect) {
reportString("verify", "contact_printer");
} else if (val == cmd_light) {
colorString();
reportString("light", color);
} else if (val == cmd_length) {
setLength();
reportInt("length", LENGTH);
} else if (val == cmd_start) {
running = true;
} else if (val == cmd_stop) {
runtime = now - starttime;
reportInt("stopped", runtime);
running = false;
i = 0;
}
}
void reportString (String key, String val) {
JsonObject& jsonObj = jsonBuffer.createObject();
jsonObj[key] = val;
jsonObj.printTo(Serial);
Serial.println("");
}
void reportFloat (String key, const float val) {
JsonObject& jsonObj = jsonBuffer.createObject();
jsonObj[key] = val;
jsonObj.printTo(Serial);
Serial.println("");
}
void reportInt (String key, const int val) {
JsonObject& jsonObj = jsonBuffer.createObject();
jsonObj[key] = val;
jsonObj.printTo(Serial);
Serial.println("");
}
void motor_run () {
starttime = now;
runtime = 0;
Serial.println("Starting motor");
//analogWrite(MOTOR_PIN, 255 - (i * 2));
analogWrite(MOTOR_PIN, pwm());
Serial.print("PWM = ");
Serial.println(255 - (i * 2));
Serial.print(i);
Serial.print("ft = ");
Serial.print(diameter(12.0 * 25.4 * i));
Serial.println("mm");
Serial.print(32.0 + (i * 0.4));
Serial.print("mm = ");
Serial.print(length(32.0 + (i * 0.4)) / (12 * 25.4) );
Serial.println("ft");
delay(1000);
i++;
if (i > 108) {
runtime = now - starttime;
reportInt("completed", runtime);
running = false;
i = 0;
}
}
int pwm () {
int val = 255; //full speed
return val;
}
float diameter (const float len) { //mm
'use strict';
return 2 * sqrt( ((len * THICKNESS) / PI) + pow(CORE_D / 2, 2) );
}
float length (const float diam) {
return (PI * (pow(diam / 2, 2) - pow(CORE_D / 2, 2)) ) / THICKNESS;
//var len = Math.PI * (Math.pow(d / 2, 2) - Math.pow(D / 2, 2));
//return len / THICKNESS;
}
void setAll (const int red, const int green, const int blue) {
for (volatile int x = 0; x < NUMPIXELS; x++) {
light.setPixelColor(x, red, green, blue);
}
light.show();
}
void setLength () {
while (Serial.available() == 0) {
//Wait for length string
}
lengthStr = Serial.readString();
LENGTH = lengthStr.toInt();
}
float speed (float diam) {
return (diam * PI) * RPS;
}
void colorString () {
while (Serial.available() == 0) {
//Wait for color string
}
color = Serial.readString();
commaR = color.indexOf(','); //comma trailing R
commaG = color.indexOf(',', commaR + 1);
strR = color.substring(0, commaR);
strG = color.substring(commaR + 1, commaG);
strB = color.substring(commaG + 1);
r = strR.toInt();
g = strG.toInt();
b = strB.toInt();
setAll(r, g, b);
}

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ino/contact_printer_old/contact_printer.ino Normal file
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#include <Adafruit_NeoPixel.h>
#include <ArduinoJson.h>
StaticJsonBuffer<200> jsonBuffer;
/*LIGHT VARIABLES*/
#define NUMPIXELS 1 // Number of Pixies in the strip
#define PIXELPIN 3 // Pin number for SoftwareSerial output;
Adafruit_NeoPixel light = Adafruit_NeoPixel(1, PIXELPIN, NEO_GRB + NEO_KHZ800);
String color = "000,000,000";
volatile int commaR = 0;
volatile int commaG = 0;
String strR = "000";
String strG = "000";
String strB = "000";
volatile int r = 0;
volatile int g = 0;
volatile int b = 0;
/*MOTOR VARIABLES*/
#define PI 3.1415926535897932384626433832795
#define HALF_PI 1.5707963267948966192313216916398
#define TWO_PI 6.283185307179586476925286766559
#define DEG_TO_RAD 0.017453292519943295769236907684886
#define RAD_TO_DEG 57.295779513082320876798154814105
const float RPM = 15.0;
const float RPS = RPM / 60.0;
const float RATIO = 0.5; //Gear ratio
const float THICKNESS = 0.11938; //16mm thickness
volatile int LENGTH = 33000; //mm
String lengthStr = "33000";
volatile float CORE_D = 31.27; //Daylight spool
//2in core
//3in core
//takeup spool?
unsigned long starttime = 0;
unsigned long runtime = 0;
volatile boolean running = false;
//motor pins
const int MOTOR_PIN = 9; //TIP120 -> 2.2k resistor
/*CORE INFO*/
volatile int i = 0;
unsigned long now; //to be compared to stored values every loop
/*COMMANDS*/
volatile char cmd_char = 'z'; //null command default
const char cmd_connect = 'c';
const char cmd_light = 'l';
const char cmd_length = 'f';
const char cmd_start = 's';
const char cmd_stop = 'x';
const int serialDelay = 5;//allows for sending longer strings to arduino in realtime
void setup () {
Serial.begin(57600);
Serial.flush();
Serial.setTimeout(serialDelay);
pinMode(MOTOR_PIN, OUTPUT);
light.begin();
setAll(0, 0, 0);
delay(2000);
reportString("msg", "Connected to contact printer");
}
void loop () {
now = millis();
readCmd();
if (running) {
motor_run();
}
}
void readCmd () {
if (Serial.available()) {
/* read the most recent byte */
cmd_char = (char)Serial.read();
}
if (cmd_char != 'z') {
cmd(cmd_char);
cmd_char = 'z';
}
}
void cmd (const char val) {
if (val == cmd_connect) {
reportString("verify", "contact_printer");
} else if (val == cmd_light) {
colorString();
reportString("light", color);
} else if (val == cmd_length) {
setLength();
reportInt("length", LENGTH);
} else if (val == cmd_start) {
running = true;
} else if (val == cmd_stop) {
runtime = now - starttime;
reportInt("stopped", runtime);
running = false;
i = 0;
}
}
void reportString (String key, String val) {
JsonObject& jsonObj = jsonBuffer.createObject();
jsonObj[key] = val;
jsonObj.printTo(Serial);
Serial.println("");
}
void reportFloat (String key, const float val) {
JsonObject& jsonObj = jsonBuffer.createObject();
jsonObj[key] = val;
jsonObj.printTo(Serial);
Serial.println("");
}
void reportInt (String key, const int val) {
JsonObject& jsonObj = jsonBuffer.createObject();
jsonObj[key] = val;
jsonObj.printTo(Serial);
Serial.println("");
}
void motor_run () {
starttime = now;
runtime = 0;
Serial.println("Starting motor");
//analogWrite(MOTOR_PIN, 255 - (i * 2));
analogWrite(MOTOR_PIN, pwm());
Serial.print("PWM = ");
Serial.println(255 - (i * 2));
Serial.print(i);
Serial.print("ft = ");
Serial.print(diameter(12.0 * 25.4 * i));
Serial.println("mm");
Serial.print(32.0 + (i * 0.4));
Serial.print("mm = ");
Serial.print(length(32.0 + (i * 0.4)) / (12 * 25.4) );
Serial.println("ft");
delay(1000);
i++;
if (i > 108) {
runtime = now - starttime;
reportInt("completed", runtime);
running = false;
i = 0;
}
}
int pwm () {
int val = 255; //full speed
return val;
}
float diameter (const float len) { //mm
'use strict';
return 2 * sqrt( ((len * THICKNESS) / PI) + pow(CORE_D / 2, 2) );
}
float length (const float diam) {
return (PI * (pow(diam / 2, 2) - pow(CORE_D / 2, 2)) ) / THICKNESS;
//var len = Math.PI * (Math.pow(d / 2, 2) - Math.pow(D / 2, 2));
//return len / THICKNESS;
}
void setAll (const int red, const int green, const int blue) {
for (volatile int x = 0; x < NUMPIXELS; x++) {
light.setPixelColor(x, red, green, blue);
}
light.show();
}
void setLength () {
while (Serial.available() == 0) {
//Wait for length string
}
lengthStr = Serial.readString();
LENGTH = lengthStr.toInt();
}
float speed (float diam) {
return (diam * PI) * RPS;
}
void colorString () {
while (Serial.available() == 0) {
//Wait for color string
}
color = Serial.readString();
commaR = color.indexOf(','); //comma trailing R
commaG = color.indexOf(',', commaR + 1);
strR = color.substring(0, commaR);
strG = color.substring(commaR + 1, commaG);
strB = color.substring(commaG + 1);
r = strR.toInt();
g = strG.toInt();
b = strB.toInt();
setAll(r, g, b);
}