Implemented debugging commands:
- scroll positions - sensor values Implemented motor controls: - move to position - rewind/zero (tested on vertical scroll only) Untested: - timer for position control / detect scroll rip
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jpunkt
parent
ef34adf75c
commit
eeb7df97f7
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@ -19,6 +19,10 @@ enum Command {
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RECORD = 'C',
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REWIND = 'R',
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DEBUG_SCROLL = 'S',
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DEBUG_SENSORS = 'Z',
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EOT = '\n'
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};
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164
src/main.cpp
164
src/main.cpp
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@ -37,8 +37,8 @@
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// Horizontal sensors
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#define HORZ_END_OUTER 33
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#define HORZ_END_INNER 34
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#define HORZ_CNT_INNER 35
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#define HORZ_CNT_OUTER 36
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#define HORZ_CNT_INNER 36
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#define HORZ_CNT_OUTER 35
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// Lights
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#define LED_FRONT 41
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@ -47,6 +47,11 @@
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#define LED_BACK 14
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#define LED_COUNT_BACK 72
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/*-------- Constants --------*/
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const int ENDSTOP_OVERRIDE = 8500; // time to ignore endstop when motor starts (x 10 us)
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const int SCROLL_ERROR_MS = 500; // if sensor values don't change in this time, the scroll has an error
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/*-------- State Definitions --------*/
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// States - implementations below loop()
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@ -91,6 +96,10 @@ bool handshake_complete;
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volatile int16_t hor_pos;
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volatile int16_t vert_pos;
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// Last change on position counters in millis
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elapsedMillis hor_lastchange;
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elapsedMillis vert_lastchange;
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/*-------- Objects --------*/
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// Motors
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Motor vert_up(VERT_UP_PWM, VERT_UP_AIN1, VERT_UP_AIN2);
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@ -133,8 +142,12 @@ int32_t count(int pinA, int pinB) {
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*
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*/
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void hor_count() {
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// TODO enable: if (!digitalRead(HORZ_END_OUTER))
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hor_pos -= count(HORZ_CNT_INNER, HORZ_CNT_OUTER);
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if (!digitalRead(HORZ_END_OUTER)) {
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hor_pos -= count(HORZ_CNT_INNER, HORZ_CNT_OUTER);
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} else {
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hor_pos = 0;
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}
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hor_lastchange = 0;
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}
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/**
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@ -142,8 +155,12 @@ void hor_count() {
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*
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*/
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void vert_count() {
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// TODO enable: if (!digitalRead(VERT_END_OUTER))
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vert_pos -= count(VERT_CNT_INNER, VERT_CNT_OUTER);
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if (!digitalRead(VERT_END_INNER)) {
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vert_pos -= count(VERT_CNT_INNER, VERT_CNT_OUTER);
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} else {
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vert_pos = 0;
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}
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vert_lastchange = 0;
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}
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/**
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@ -157,15 +174,11 @@ void blink_builtin(uint32_t on_interval, uint32_t off_interval) {
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if (blink_time >= on_interval) {
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digitalWrite(LED_BUILTIN, LOW);
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blink_time = blink_time - on_interval;
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// led_on = false;
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// Serial.println("Turn LED off");
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}
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} else {
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if (blink_time >= off_interval) {
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digitalWrite(LED_BUILTIN, HIGH);
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blink_time = blink_time - off_interval;
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// led_on = true;
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// Serial.println("Turn LED on");
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}
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}
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}
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@ -173,34 +186,45 @@ void blink_builtin(uint32_t on_interval, uint32_t off_interval) {
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/**
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* @brief Generic scroll zeroing code
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*
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* zero_pin | end_pin | Condition -> Action
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* -----------+-----------+---------------------------
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* 0 | 0 | scroll between start & end -> rewind
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* 0 | 1 | scroll at end -> rewind
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* 1 | 0 | scroll zeroed -> do nothing
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* 1 | 1 | scroll at start end-stop -> forward until end-stop free
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*
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* @param mot1 Motor in positive direction
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* @param mot2 Motor in negative direction
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* @param zero_pin Sensor pin where LOW enables count
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* @param end_pin Sensor pin attached to emergency stop (end-stop)
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*/
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void zero_motor(Motor &mot1, Motor &mot2, int zero_pin, int end_pin) {
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bool is_zero = digitalRead(end_pin) & !digitalRead(zero_pin);
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uint32_t end_time = millis() + 10000;
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while (!is_zero & (millis() < end_time))
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{
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mot2.run(255, false);
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mot1.run(127, false);
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is_zero = digitalRead(zero_pin);
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}
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delayMicroseconds(20);
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end_time = millis() + 200;
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while (digitalRead(zero_pin) & (millis() < end_time))
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{
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mot1.run(200, true);
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// elapsedMillis time = 0;
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if (!digitalRead(zero_pin)) {
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// rewind
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while (!digitalRead(zero_pin)) {
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mot2.run(255, false);
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mot1.run(127, false);
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}
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mot1.stop(false);
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delay(20); // TODO evaluate
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mot2.stop(false);
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delay(10);
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mot1.stop(true);
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mot2.stop(true);
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} else if (digitalRead(end_pin)) {
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// move forward
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while(digitalRead(zero_pin)) {
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mot1.run(127, true);
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mot2.run(55, true);
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}
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mot2.stop(false);
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delay(20);
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mot1.stop(false);
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delay(10);
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mot1.stop(true);
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mot2.stop(true);
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}
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mot1.stop(false);
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mot2.stop(false);
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}
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/**
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@ -305,6 +329,23 @@ bool mot_control(Motor &mot1, Motor &mot2, volatile int16_t &pos, int16_t &aim)
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}
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}
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/**
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* @brief Generic check endstop and stop motor
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*
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* @param mot1
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* @param mot2
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* @param outer_pin
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*/
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bool mot_stop(Motor &mot1, Motor &mot2, int outer_pin) {
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if (digitalRead(outer_pin)) {
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mot1.stop(true);
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mot2.stop(true);
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Serial.printf("Motor stopped. \n");
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return true;
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}
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return false;
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}
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/**
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* @brief Generic serial command handler to drive scroll to position
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*
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@ -312,13 +353,20 @@ bool mot_control(Motor &mot1, Motor &mot2, volatile int16_t &pos, int16_t &aim)
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* @param mot2 Motor in negative direction
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* @param pos position variable
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*/
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void serial_motor(Motor &mot1, Motor &mot2, volatile int16_t &pos) {
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void serial_motor(Motor &mot1, Motor &mot2, volatile int16_t &pos, int end_pin) {
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int16_t inc = ssp.readInt16();
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ssp.readEot();
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int16_t aim = pos + inc;
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int16_t c = 0;
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while (!mot_control(mot1, mot2, pos, aim)) {
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Serial.printf("aim = %i, pos = %i \n", aim, pos);
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if (c < ENDSTOP_OVERRIDE) {
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c++;
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} else {
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if (mot_stop(mot1, mot2, end_pin)) {
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break;
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}
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}
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delayMicroseconds(10);
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}
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}
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@ -368,7 +416,7 @@ void serial_frontlight() {
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*/
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void serial_motor_v() {
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Serial.println("Received MOTOR_V");
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serial_motor(vert_up, vert_down, vert_pos);
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serial_motor(vert_up, vert_down, vert_pos, VERT_END_OUTER);
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serial_received();
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}
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@ -377,8 +425,8 @@ void serial_motor_v() {
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*
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*/
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void serial_motor_h() {
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Serial.println("Received MOTOR_V");
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serial_motor(horz_left, horz_right, hor_pos);
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Serial.println("Received MOTOR_H");
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serial_motor(horz_left, horz_right, hor_pos, HORZ_END_INNER);
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serial_received();
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}
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@ -399,6 +447,7 @@ void serial_record() {
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void serial_rewind() {
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ssp.readEot();
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Serial.println("Received REWIND");
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zero_motor(vert_up, vert_down, VERT_END_INNER, VERT_END_OUTER);
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serial_received();
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}
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@ -412,6 +461,36 @@ void serial_userinteract() {
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serial_received();
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}
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/**
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* @brief Serial command handler for debugging scroll positions. Logs to USB Serial
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*
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*/
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void serial_debug_pos() {
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ssp.readEot();
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u_int32_t hlt = hor_lastchange;
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u_int32_t vlt = vert_lastchange;
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Serial.printf("Scroll positions (last change): H=%d (%d), V=%d (%d) \n", hor_pos, hlt, vert_pos, vlt);
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serial_received();
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}
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/**
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* @brief Serial command handler for debugging sensors. Logs to USB Serial
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*
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*/
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void serial_debug_sens() {
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ssp.readEot();
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Serial.printf("VERT_END_OUTER = %d \nVERT_END_INNER = %d \nVERT_CNT_OUTER = %d \nVERT_CNT_INNER = %d \nHORZ_END_OUTER = %d \nHORZ_END_INNER = %d \nHORZ_CNT_INNER = %d \nHORZ_CNT_OUTER = %d \n",
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digitalRead(VERT_END_OUTER),
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digitalRead(VERT_END_INNER),
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digitalRead(VERT_CNT_OUTER),
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digitalRead(VERT_CNT_INNER),
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digitalRead(HORZ_END_OUTER),
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digitalRead(HORZ_END_INNER),
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digitalRead(HORZ_CNT_INNER),
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digitalRead(HORZ_CNT_OUTER));
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serial_received();
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}
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void setup() {
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Serial.begin(115200);
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Serial1.begin(115200);
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@ -421,6 +500,8 @@ void setup() {
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hor_pos = 0;
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vert_pos = 0;
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hor_lastchange = 0;
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vert_lastchange = 0;
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blink_time = 0;
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@ -438,11 +519,19 @@ void setup() {
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pinMode(HORZ_CNT_OUTER, INPUT);
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pinMode(VERT_CNT_INNER, INPUT);
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pinMode(VERT_CNT_OUTER, INPUT);
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pinMode(HORZ_END_INNER, INPUT);
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pinMode(HORZ_END_OUTER, INPUT);
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pinMode(VERT_END_INNER, INPUT);
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pinMode(VERT_END_OUTER, INPUT);
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digitalWrite(HORZ_CNT_INNER, LOW);
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digitalWrite(HORZ_CNT_OUTER, LOW);
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digitalWrite(VERT_CNT_INNER, LOW);
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digitalWrite(VERT_CNT_OUTER, LOW);
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digitalWrite(HORZ_END_INNER, LOW);
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digitalWrite(HORZ_END_OUTER, LOW);
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digitalWrite(VERT_END_INNER, LOW);
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digitalWrite(VERT_END_OUTER, LOW);
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led_back.begin();
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led_back.show();
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@ -459,6 +548,8 @@ void setup() {
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ssp.registerCommand(MOTOR_V, serial_motor_v);
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ssp.registerCommand(RECORD, serial_record);
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ssp.registerCommand(REWIND, serial_rewind);
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ssp.registerCommand(DEBUG_SCROLL, serial_debug_pos);
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ssp.registerCommand(DEBUG_SENSORS, serial_debug_sens);
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ssp.registerCommand(USER_INTERACT, serial_userinteract);
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S00->addTransition(transition_post_zero, S10);
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@ -470,7 +561,6 @@ void setup() {
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void loop() {
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// Just run the state machine
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sm.run();
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// blink_builtin(WAIT_ON_MS, WAIT_OFF_MS);
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}
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/**
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@ -502,9 +592,7 @@ void state_zero() {
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void state_init_callbacks() {
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Serial.println("State Initialize Callbacks.");
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attachInterrupt(digitalPinToInterrupt(HORZ_CNT_INNER), hor_count, CHANGE);
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// attachInterrupt(digitalPinToInterrupt(HORZ_CNT_OUTER), hor_count, CHANGE);
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attachInterrupt(digitalPinToInterrupt(VERT_CNT_INNER), vert_count, CHANGE);
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// attachInterrupt(digitalPinToInterrupt(VERT_CNT_OUTER), vert_count, CHANGE);
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}
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/**
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