174 lines
3.6 KiB
C++
174 lines
3.6 KiB
C++
//Intval for pro trinket arduinos
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//Using 12vdc motors in place of a stepper
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//HBridge for motor control
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//Microswitch for control
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//BUTTON MODEL, NO FSK
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/*
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----------------------------------------------------
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Microswitch (use INPUT_PULLUP!!)
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GND-----\ | \-----PIN
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----------------------------------------------------
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*/
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/* ------------------------------------------------
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* cmd - for Serial
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* ------------------------------------------------*/
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volatile int cmd_input = 0;
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const int CMD_FORWARD = 102; //f
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const int CMD_BACKWARD = 98; //b
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const int CMD_BLACK = 110; //n
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/* ------------------------------------------------
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* buttons
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* ------------------------------------------------*/
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/* ------------------------------------------------
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* pins
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* ------------------------------------------------*/
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const int PIN_INDICATOR = 13;
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const int PIN_MOTOR_FORWARD = 10;
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const int PIN_MOTOR_BACKWARD = 11;
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const int PIN_MICRO = 8;
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/* ------------------------------------------------
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* loop
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* ------------------------------------------------*/
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const int LOOP_DELAY = 10;
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/* ------------------------------------------------
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* state
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* ------------------------------------------------*/
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const int FWD_SPEED = 255;
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const int BWD_SPEED = 255;
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volatile boolean direction = true;
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volatile boolean running = false;
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volatile boolean cam_dir = true;
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volatile int micro_position = 0;
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volatile boolean micro_primed = false;
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unsigned long timer = 0;
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volatile int timer_int = 0;
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volatile int cam_count = 0;
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volatile int cam_pos = 0;
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void setup () {
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Serial.begin(9600);
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Serial.flush();
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modem.begin();
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Pins_init();
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Serial.println("Welcome to intval2.");
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}
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void loop () {
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if (Serial.available() > 0 && !running){
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cmd_input = Serial.read();
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}
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if (cmd_input == CMD_FORWARD
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&& !running) {
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Frame(true);
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}
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if (cmd_input == CMD_BACKWARD
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&& !running) {
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Frame(false);
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}
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if (cmd_input != 0) {
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cmd_input = 0;
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}
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if (running) {
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Read_micro();
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} else {
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Read_buttons();
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delay(LOOP_DELAY);
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}
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}
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void Pins_init () {
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pinMode(PIN_MOTOR_FORWARD, OUTPUT);
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pinMode(PIN_MOTOR_BACKWARD, OUTPUT);
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pinMode(PIN_MICRO, INPUT_PULLUP);
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pinMode(PIN_INDICATOR, OUTPUT);
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}
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void Frame (boolean dir) {
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//Serial.println("Starting Frame()...");
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Time_start();
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cam_dir = dir;
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if (cam_dir) {
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// Serial.println("Forward");
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analogWrite(PIN_MOTOR_FORWARD, FWD_SPEED);
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analogWrite(PIN_MOTOR_BACKWARD, 0);
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} else {
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//Serial.println("Backwards");
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analogWrite(PIN_MOTOR_BACKWARD, BWD_SPEED);
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analogWrite(PIN_MOTOR_FORWARD, 0);
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}
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Indicator(true);
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running = true;
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micro_primed = false;
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}
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void Read_micro () {
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micro_position = digitalRead(PIN_MICRO);
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//Serial.println(micro_position);
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if (micro_position == LOW
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&& micro_primed == false) {
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micro_primed = true;
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//Serial.println("Frame micro_primed");
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} else if (micro_position == HIGH
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&& micro_primed == true) {
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Stop();
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}
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delay(1);//smooths out signal
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}
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void Read_buttons () {
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}
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void Stop () {
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analogWrite(PIN_MOTOR_FORWARD, 0);
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analogWrite(PIN_MOTOR_BACKWARD, 0);
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//Serial.println("Frame ran");
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Time_end();
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cam_count++;
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if (cam_dir) {
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cam_pos++;
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} else {
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cam_pos--;
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}
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running = false;
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micro_primed = false;
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Indicator(false);
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}
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void Time_start () {
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timer = millis();
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}
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void Time_end () {
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timer = millis() - timer;
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timer_int = int(timer);
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//Serial.print(timer_int);
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//Serial.println("ms");
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}
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void Indicator (boolean state) {
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if (state) {
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digitalWrite(PIN_INDICATOR, HIGH);
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} else {
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digitalWrite(PIN_INDICATOR, LOW);
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}
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}
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