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isaac879
2020-03-23 04:32:38 +00:00
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#include "PanTiltMount.h"
#include <Iibrary.h> //A library I created for Arduino that contains some simple functions I commonly use. Library available at: https://github.com/isaac879/Iibrary
#include <AccelStepper.h>
#include <MultiStepper.h>
#include <EEPROM.h> //To be able to save values when powered off
/*--------------------------------------------------------------------------------------------------------------------------------------------------------*/
//Global scope
AccelStepper stepper_pan = AccelStepper(1, PIN_STEP_PAN, PIN_DIRECTION_PAN);
AccelStepper stepper_tilt = AccelStepper(1, PIN_STEP_TILT, PIN_DIRECTION_TILT);
MultiStepper multi_stepper;
ArrayElement program_elements[ARRAY_LENGTH];
int moves_array_elements = 0;
int current_moves_array_index = -1;
char stringText[MAX_STRING_LENGTH + 1];
float pan_steps_per_degree = (200.0 * SIXTEENTH_STEP * PAN_GEAR_RATIO) / 360.0; //Stepper motor has 200 steps per 360 degrees
float tilt_steps_per_degree = (200.0 * SIXTEENTH_STEP * TILT_GEAR_RATIO) / 360.0; //Stepper motor has 200 steps per 360 degrees
int step_mode = 1;
bool enable_state = true;
long limit_pan_min = -2147483648;
long limit_pan_max = 2147483647;
long limit_tilt_min = -2147483648;
long limit_tilt_max = 2147483647;
float pan_acceleration = 5000;
float tilt_acceleration = 5000;
float hall_pan_offset_degrees = 0;
float hall_tilt_offset_degrees = 0;
byte invert_pan = 0;
byte invert_tilt = 0;
byte enable_homing = 0;
float pan_max_speed = 2000;
float tilt_max_speed = 2000;
long target_position[2];
/*--------------------------------------------------------------------------------------------------------------------------------------------------------*/
void initPanTilt(void){
Serial.begin(BAUD_RATE);
pinMode(PIN_MS, OUTPUT);
pinMode(PIN_ENABLE, OUTPUT);
pinMode(PIN_DIRECTION_PAN, OUTPUT);
pinMode(PIN_STEP_PAN, OUTPUT);
pinMode(PIN_DIRECTION_TILT, OUTPUT);
pinMode(PIN_STEP_TILT, OUTPUT);
pinMode(PIN_DIRECTION_SLIDER, OUTPUT);
pinMode(PIN_STEP_SLIDER, OUTPUT);
pinMode(PIN_PAN_HALL, INPUT_PULLUP);
pinMode(PIN_TILT_HALL, INPUT_PULLUP);
setEEPROMVariables();
stepper_pan.setMinPulseWidth(20);
stepper_tilt.setMinPulseWidth(20);
setStepMode(step_mode); //steping mode
stepper_pan.setMaxSpeed(pan_max_speed);
stepper_pan.setAcceleration(pan_acceleration);
stepper_tilt.setMaxSpeed(tilt_max_speed);
stepper_tilt.setAcceleration(tilt_acceleration);
invertPanDirection(invert_pan);
invertTiltDirection(invert_tilt);
multi_stepper.addStepper(stepper_pan);
multi_stepper.addStepper(stepper_tilt);
enableSteppers(true);
printi(F("Setup complete.\n"));
if(enable_homing == 1){
printi(F("Beginning homing...\n"));
if(findHome()){
printi(F("Homing complete.\n"));
}
else{
stepper_pan.setCurrentPosition(0);
stepper_tilt.setCurrentPosition(0);
printi(F("Error finding home position... Current position has been set as home.\n"));
}
}
}
/*--------------------------------------------------------------------------------------------------------------------------------------------------------*/
float boundFloat(float value, float lower, float upper){
if(value < lower){
value = lower;
}
else if(value > upper){
value = upper;
}
return value;
}
/*--------------------------------------------------------------------------------------------------------------------------------------------------------*/
void serialFlush(void){
while(Serial.available() > 0){
char c = Serial.read();
}
}
/*--------------------------------------------------------------------------------------------------------------------------------------------------------*/
void enableSteppers(bool state){
if(state == true){
digitalWrite(PIN_ENABLE, LOW); //Enable the stepper drivers
printi(F("Stepper motors enabled.\n"));
}
else{
digitalWrite(PIN_ENABLE, HIGH); //Disabe the stepper drivers
printi(F("Stepper motors disabled.\n"));
}
enable_state = state;
}
/*--------------------------------------------------------------------------------------------------------------------------------------------------------*/
void setStepMode(int mode){
if(mode == 0){//Full step mode
if(step_mode == 1){//was in sixteenth step mode
stepper_pan.setCurrentPosition(stepper_pan.currentPosition() / SIXTEENTH_STEP);
stepper_tilt.setCurrentPosition(stepper_tilt.currentPosition() / SIXTEENTH_STEP);
}
digitalWrite(PIN_MS, LOW);
pan_steps_per_degree = (200.0 * FULL_STEP * PAN_GEAR_RATIO) / 360.0; //Stepper motor has 200 steps per 360 degrees
tilt_steps_per_degree = (200.0 * FULL_STEP * TILT_GEAR_RATIO) / 360.0; //Stepper motor has 200 steps per 360 degrees
step_mode = 0;
printi(F("Set to Full Step mode.\n"));
}
else if(mode == 1){//Sixteenth step mode
if(step_mode == 0){//was in full step mode
stepper_pan.setCurrentPosition(stepper_pan.currentPosition() * SIXTEENTH_STEP);
stepper_tilt.setCurrentPosition(stepper_tilt.currentPosition() * SIXTEENTH_STEP);
}
digitalWrite(PIN_MS, HIGH);
pan_steps_per_degree = (200.0 * SIXTEENTH_STEP * PAN_GEAR_RATIO) / 360.0; //Stepper motor has 200 steps per 360 degrees
tilt_steps_per_degree = (200.0 * SIXTEENTH_STEP * TILT_GEAR_RATIO) / 360.0; //Stepper motor has 200 steps per 360 degrees
step_mode = 1;
printi(F("Set to Sixteenth Step mode.\n"));
}
else{
printi(F("Invalid step mode... Enter a 0 for full step or 1 for sixteenth step mode.\n"));
}
}
/*--------------------------------------------------------------------------------------------------------------------------------------------------------*/
void panJogDegrees(float jogAngle){
target_position[0] = panDegreesToSteps(jogAngle);
multi_stepper.moveTo(target_position);
}
/*--------------------------------------------------------------------------------------------------------------------------------------------------------*/
void tiltJogDegrees(float jogAngle){
target_position[1] = tiltDegreesToSteps(jogAngle);
multi_stepper.moveTo(target_position);
}
/*--------------------------------------------------------------------------------------------------------------------------------------------------------*/
float panDegreesToSteps(float angle){
return pan_steps_per_degree * angle;
}
/*--------------------------------------------------------------------------------------------------------------------------------------------------------*/
float tiltDegreesToSteps(float angle){
return tilt_steps_per_degree * angle;
}
/*--------------------------------------------------------------------------------------------------------------------------------------------------------*/
void statusReport(void){
printi(F("----------Status Report----------\n"));
printi(F("Step Mode: "), step_mode);
printi(F("pan_steps_per_degree: "), pan_steps_per_degree, 3, F("\n"));
printi(F("tilt_steps_per_degree: "), tilt_steps_per_degree, 3, F("\n"));
printi(F("Battery percentage: "), getBatteryPercentage(), 3, F("%\n"));
}
/*--------------------------------------------------------------------------------------------------------------------------------------------------------*/
void printProgramElements(void){
printi(F("-----Program Elements-----\n"));
for(int row = 0; row < moves_array_elements; row++){
printi(F(""), row, F(" |"));
printi(F(" Pan: "), program_elements[row].panStepCount, F(" steps\t"));
printi(F("Tilt: "), program_elements[row].tiltStepCount, F(" steps\t"));
printi(F("Pan Speed: "), program_elements[row].panSpeed, 3, F(" steps/sec\t"));
printi(F("Tilt Speed: "), program_elements[row].tiltSpeed, 3, F(" steps/sec\t"));
printi(F("Delay: "), program_elements[row].msDelay, F(" |\n"));
}
printi(F("\n"));
}
/*--------------------------------------------------------------------------------------------------------------------------------------------------------*/
void debugReport(void){
printi(F("----------Debug Report----------\n"));
printi(F("Stepper enable state: "), enable_state);
printi(F("Step Mode: "), step_mode);
printi(F("Pan Hall sensor state: "), digitalRead(PIN_PAN_HALL));
printi(F("Tilt Hall sensor state: "), digitalRead(PIN_TILT_HALL));
printi(F("Pan step count: "), stepper_pan.currentPosition());
printi("Tilt step count: ", stepper_tilt.currentPosition());
printi(F("Pan angle: "), panStepsToDegrees(stepper_pan.currentPosition()), 3, F("degrees\n"));
printi(F("Tilt angle: "), tiltStepsToDegrees(stepper_tilt.currentPosition()), 3, F("degrees\n"));
printi(F("Pan steps per degree: "), pan_steps_per_degree);
printi(F("Tilt steps per degree: "), tilt_steps_per_degree);
printi(F("Pan current steps/second: "), stepper_pan.speed());
printi(F("Tilt current steps/second: "), stepper_tilt.speed());
printi(F("Pan maximum steps/second: "), stepper_pan.maxSpeed());
printi(F("Tilt maximum steps/second: "), stepper_tilt.maxSpeed());
printi(F("Pan acceleration: "), pan_acceleration);
printi(F("Tilt acceleration: "), tilt_acceleration);
printi(F("Pan invert direction: "), invert_pan);
printi(F("Tilt invert direction: "), invert_tilt);
printi(F("Pan Hall offset: "), hall_pan_offset_degrees, 3, F("degrees\n"));
printi(F("Tilt Hall offset: "), hall_tilt_offset_degrees, 3, F("degrees\n"));
printi(F("Battery voltage: "), getBatteryVoltage(), 3, F("V\n"));
printi(F("Battery percentage: "), getBatteryPercentage(), 3, F("%\n"));
printi(F("Homing on start-up: "), enable_homing);
printi(F("Version: "));
printi(F(VERSION_NUMBER));
printi(F("\n"));
printEEPROM();
printProgramElements();
printi(F("------------------------------\n"));
}
/*--------------------------------------------------------------------------------------------------------------------------------------------------------*/
int setTargetPositions(float panDeg, float tiltDeg){//TODO: limits
target_position[0] = panDegreesToSteps(panDeg);
target_position[1] = tiltDegreesToSteps(tiltDeg);
multi_stepper.moveTo(target_position);
}
/*--------------------------------------------------------------------------------------------------------------------------------------------------------*/
bool findHome(void){
bool panHomeFlag = false;
bool tiltHomeFlag = false;
int panHomingDir = -1;
int tiltHomingDir = -1;
while(digitalRead(PIN_PAN_HALL) == 0 || digitalRead(PIN_TILT_HALL) == 0){//If already on a Hall sensor move off
target_position[0] = target_position[0] + panDegreesToSteps(!digitalRead(PIN_PAN_HALL));//increment by 1 degree
target_position[1] = target_position[1] + tiltDegreesToSteps(!digitalRead(PIN_TILT_HALL));//increment by 1 degree
if(target_position[0] > panDegreesToSteps(360) && target_position[1] > tiltDegreesToSteps(360)){//If both axis have done more than a full rotation there must be an issue...
return false;
}
multi_stepper.moveTo(target_position);
multi_stepper.runSpeedToPosition();
}
stepper_pan.setCurrentPosition(0);//set step count to 0
stepper_tilt.setCurrentPosition(0);//set step count to 0
setTargetPositions(-45, -45);
while(multi_stepper.run()){
if(digitalRead(PIN_PAN_HALL) == 0){
stepper_pan.setCurrentPosition(0);//set step count to 0
setTargetPositions(0, -45 * !tiltHomeFlag);
panHomeFlag = true;
panHomingDir = 1;
}
if(digitalRead(PIN_TILT_HALL) == 0){
stepper_tilt.setCurrentPosition(0);
setTargetPositions(-45 * !panHomeFlag, 0);
tiltHomeFlag = true;
tiltHomingDir = 1;
}
}
setTargetPositions(45 * !panHomeFlag, 45 * !tiltHomeFlag);//set angle to 0 for an axis if it's home
while(multi_stepper.run()){
if(digitalRead(PIN_PAN_HALL) == 0){
stepper_pan.setCurrentPosition(0);//set step count to 0
setTargetPositions(0, 45);
panHomeFlag = true;
}
if(digitalRead(PIN_TILT_HALL) == 0){
stepper_tilt.setCurrentPosition(0);
setTargetPositions(45 * !panHomeFlag, 0);
tiltHomeFlag = true;
}
}
setTargetPositions(360 * !panHomeFlag, 360 * !tiltHomeFlag);//full rotation on both axis so it must pass the home position
while(multi_stepper.run()){
if(digitalRead(PIN_PAN_HALL) == 0){
stepper_pan.setCurrentPosition(0);//set step count to 0
setTargetPositions(0, 360 * !tiltHomeFlag);
panHomeFlag = true;
}
if(digitalRead(PIN_TILT_HALL) == 0){
stepper_tilt.setCurrentPosition(0);
setTargetPositions(360 * !panHomeFlag, 0);
tiltHomeFlag = true;
}
}
if(panHomeFlag && tiltHomeFlag){
setTargetPositions(hall_pan_offset_degrees * panHomingDir, hall_tilt_offset_degrees * tiltHomingDir);
multi_stepper.runSpeedToPosition();
stepper_pan.setCurrentPosition(0);//set step count to 0
stepper_tilt.setCurrentPosition(0);//set step count to 0
setTargetPositions(0, 0);
return true;
}
else{
return false;
}
}
/*--------------------------------------------------------------------------------------------------------------------------------------------------------*/
float getBatteryVoltage(void){ //TODO: Calibrate the values for your battery
return mapNumber(analogRead(PIN_INPUT_VOLTAGE), 0, 1007, 0, 12.6);//1007 = 12.6V
}
/*--------------------------------------------------------------------------------------------------------------------------------------------------------*/
float getBatteryPercentage(void){ //TODO: Calibrate the values for your battery
return boundFloat(mapNumber(getBatteryVoltage(), 9, 12.6, 0, 100), 0, 100); //780 = 9V = 0%, 1023 = 12.6V = 100%
}
/*--------------------------------------------------------------------------------------------------------------------------------------------------------*/
//float panDegreesToSteps(float angularVelocity){
// return angularVelocity * pan_steps_per_degree;
//}
//
///*--------------------------------------------------------------------------------------------------------------------------------------------------------*/
//
//float tiltDegreesToSteps(float angularVelocity){
// return angularVelocity * tilt_steps_per_degree;
//}
//
///*--------------------------------------------------------------------------------------------------------------------------------------------------------*/
float panStepsToDegrees(long steps){
return steps / pan_steps_per_degree;
}
/*--------------------------------------------------------------------------------------------------------------------------------------------------------*/
float tiltStepsToDegrees(long steps){
return steps / tilt_steps_per_degree;
}
/*--------------------------------------------------------------------------------------------------------------------------------------------------------*/
int addPosition(void){
if(moves_array_elements >= 0 && moves_array_elements < ARRAY_LENGTH){
program_elements[moves_array_elements].panStepCount = stepper_pan.currentPosition();
program_elements[moves_array_elements].tiltStepCount = stepper_tilt.currentPosition();
program_elements[moves_array_elements].panSpeed = stepper_pan.maxSpeed();
program_elements[moves_array_elements].tiltSpeed = stepper_tilt.maxSpeed();
current_moves_array_index = moves_array_elements;
moves_array_elements++;//increment the index
printi(F("Position added at index: "), current_moves_array_index);
return 0;
}
return -1;
}
/*--------------------------------------------------------------------------------------------------------------------------------------------------------*/
void clearArray(void){
for(int row = 0; row < ARRAY_LENGTH; row++){
program_elements[row].panStepCount = 0;
program_elements[row].tiltStepCount = 0;
program_elements[row].panSpeed = 0;
program_elements[row].tiltSpeed = 0;
program_elements[row].msDelay = 0;
}
moves_array_elements = 0;
current_moves_array_index = -1;
printi(F("All positions cleared."));
}
/*--------------------------------------------------------------------------------------------------------------------------------------------------------*/
void moveToIndex(int index){
if(index < moves_array_elements && index >= 0){
target_position[0] = program_elements[index].panStepCount;
target_position[1] = program_elements[index].tiltStepCount;
stepper_pan.setMaxSpeed(program_elements[index].panSpeed);
stepper_tilt.setMaxSpeed(program_elements[index].tiltSpeed);
multi_stepper.moveTo(target_position); //Sets new target positions
multi_stepper.runSpeedToPosition(); //Moves and blocks until complete
delay(program_elements[index].msDelay);
current_moves_array_index = index;
// printi(F("Moved to index: "), current_moves_array_index);
}
}
/*--------------------------------------------------------------------------------------------------------------------------------------------------------*/
void executeMoves(int repeat){
for(int i = 0; i < repeat; i++){
for(int row = 0; row < moves_array_elements; row++){
moveToIndex(row);
}
if(getBatteryVoltage() < 9.5){//9.5V is used as the cut off to allow for inaccuracies and be on the safe side.
delay(200);
if(getBatteryVoltage() < 9.5){//Check voltage is still low and the first wasn't a miscellaneous reading
printi(F("Battery low! Turn the power off."));
while(1){}//loop and do nothing
}
}
}
}
/*--------------------------------------------------------------------------------------------------------------------------------------------------------*/
void gotoMovesArrayStart(void){
moveToIndex(0);
}
/*--------------------------------------------------------------------------------------------------------------------------------------------------------*/
void gotoMovesArrayEnd(void){
moveToIndex(moves_array_elements - 1);
}
/*--------------------------------------------------------------------------------------------------------------------------------------------------------*/
void editMovesArrayIndex(void){
program_elements[current_moves_array_index].panStepCount = stepper_pan.currentPosition();
program_elements[current_moves_array_index].tiltStepCount = stepper_tilt.currentPosition();
program_elements[current_moves_array_index].panSpeed = stepper_pan.maxSpeed();
program_elements[current_moves_array_index].tiltSpeed = stepper_tilt.maxSpeed();
printi(F("Position edited at index: "), current_moves_array_index);
}
/*--------------------------------------------------------------------------------------------------------------------------------------------------------*/
void addDelay(unsigned int ms){
program_elements[current_moves_array_index].msDelay = ms;
printi(ms, F(""));
printi(F("ms delay added at index: "), current_moves_array_index);
}
/*--------------------------------------------------------------------------------------------------------------------------------------------------------*/
void invertPanDirection(bool invert){
printi(F("Setting pan inversion to: "), invert);
invert_pan = invert;
stepper_pan.setPinsInverted(invert, false, false);
}
/*--------------------------------------------------------------------------------------------------------------------------------------------------------*/
void invertTiltDirection(bool invert){
printi(F("Setting tilt inversion to: "), invert);
invert_tilt = invert;
stepper_pan.setPinsInverted(invert, false, false);
}
/*--------------------------------------------------------------------------------------------------------------------------------------------------------*/
void saveEEPROM(void){
EEPROM.put(EEPROM_ADDRESS_ENABLE_HOMING, enable_homing);
EEPROM.put(EEPROM_ADDRESS_MODE, step_mode);
EEPROM.put(EEPROM_ADDRESS_LIMIT_PAN_MIN, limit_pan_min);
EEPROM.put(EEPROM_ADDRESS_LIMIT_PAN_MAX, limit_pan_max);
EEPROM.put(EEPROM_ADDRESS_LIMIT_TILT_MIN, limit_tilt_min);
EEPROM.put(EEPROM_ADDRESS_LIMIT_TILT_MAX, limit_tilt_max);
EEPROM.put(EEPROM_ADDRESS_PAN_MAX_SPEED, pan_max_speed);
EEPROM.put(EEPROM_ADDRESS_TILT_MAX_SPEED, tilt_max_speed);
EEPROM.put(EEPROM_ADDRESS_PAN_ACCELERATION, pan_acceleration);
EEPROM.put(EEPROM_ADDRESS_TILT_ACCELERATION, tilt_acceleration);
EEPROM.put(EEPROM_ADDRESS_HALL_PAN_OFFSET, hall_pan_offset_degrees);
EEPROM.put(EEPROM_ADDRESS_HALL_TILT_OFFSET, hall_tilt_offset_degrees);
EEPROM.put(EEPROM_ADDRESS_INVERT_PAN, invert_pan);
EEPROM.put(EEPROM_ADDRESS_INVERT_TILT, invert_tilt);
}
/*--------------------------------------------------------------------------------------------------------------------------------------------------------*/
void printEEPROM(void){
int itemp;
float ftemp;
long ltemp;
printi(F("-----Saved Values-----\n"));
EEPROM.get(EEPROM_ADDRESS_MODE, itemp);
if(itemp == 0){
printi(F("Step mode: Full step\n"));
}
else if(itemp == 1){
printi(F("Step mode: Sixteenth step\n"));
}
EEPROM.get(EEPROM_ADDRESS_LIMIT_PAN_MIN, ltemp);
printi(F("Pan min limit: "), ltemp);
EEPROM.get(EEPROM_ADDRESS_LIMIT_PAN_MAX, ltemp);
printi(F("Pan max limit: "), ltemp);
EEPROM.get(EEPROM_ADDRESS_LIMIT_TILT_MIN, ltemp);
printi(F("Tilt min limit: "), ltemp);
EEPROM.get(EEPROM_ADDRESS_LIMIT_TILT_MAX, ltemp);
printi(F("Tilt max limit: "), ltemp);
EEPROM.get(EEPROM_ADDRESS_PAN_MAX_SPEED, ftemp);
printi(F("Pan max speed: "), ftemp);
EEPROM.get(EEPROM_ADDRESS_TILT_MAX_SPEED, ftemp);
printi(F("Tilt max speed: "), ftemp);
EEPROM.get(EEPROM_ADDRESS_PAN_ACCELERATION, ftemp);
printi(F("Pan max acceleration: "), ftemp);
EEPROM.get(EEPROM_ADDRESS_TILT_ACCELERATION, ftemp);
printi(F("Tilt max acceleration: "), ftemp);
EEPROM.get(EEPROM_ADDRESS_HALL_PAN_OFFSET, ftemp);
printi(F("Pan Hall offset: "), ftemp);
EEPROM.get(EEPROM_ADDRESS_HALL_TILT_OFFSET, ftemp);
printi(F("Tilt Hall offset: "), ftemp);
printi(F("Pan invert: "), (byte)EEPROM.read(EEPROM_ADDRESS_INVERT_PAN));
printi(F("Tilt invert: "), (byte)EEPROM.read(EEPROM_ADDRESS_INVERT_TILT));
printi(F("Homing on start-up: "), (byte)EEPROM.read(EEPROM_ADDRESS_ENABLE_HOMING));
printi(F("--------------------\n"));
}
/*--------------------------------------------------------------------------------------------------------------------------------------------------------*/
void setEEPROMVariables(void){
printi(F("Setting values from EEPROM...\n"));
EEPROM.get(EEPROM_ADDRESS_MODE, step_mode);
EEPROM.get(EEPROM_ADDRESS_LIMIT_PAN_MIN, limit_pan_min);
EEPROM.get(EEPROM_ADDRESS_LIMIT_PAN_MAX, limit_pan_max);
EEPROM.get(EEPROM_ADDRESS_LIMIT_TILT_MIN, limit_tilt_min);
EEPROM.get(EEPROM_ADDRESS_LIMIT_TILT_MAX, limit_tilt_max);
EEPROM.get(EEPROM_ADDRESS_PAN_MAX_SPEED, pan_max_speed);
EEPROM.get(EEPROM_ADDRESS_TILT_MAX_SPEED, tilt_max_speed);
EEPROM.get(EEPROM_ADDRESS_PAN_ACCELERATION, pan_acceleration);
EEPROM.get(EEPROM_ADDRESS_TILT_ACCELERATION, tilt_acceleration);
EEPROM.get(EEPROM_ADDRESS_HALL_PAN_OFFSET, hall_pan_offset_degrees);
EEPROM.get(EEPROM_ADDRESS_HALL_TILT_OFFSET, hall_tilt_offset_degrees);
invert_pan = EEPROM.read(EEPROM_ADDRESS_INVERT_PAN);
invert_tilt = EEPROM.read(EEPROM_ADDRESS_INVERT_TILT);
enable_homing = EEPROM.read(EEPROM_ADDRESS_ENABLE_HOMING);
printi(F("Values set.\n"));
}
/*--------------------------------------------------------------------------------------------------------------------------------------------------------*/
void toggleAutoHoming(void){
if(enable_homing == 0){
enable_homing = 1;
printi(F("Homing enabled.\n"));
}
else{
enable_homing = 0;
printi(F("Homing disabled.\n"));
}
}
/*--------------------------------------------------------------------------------------------------------------------------------------------------------*/
void serialData(void){
char instruction = Serial.read();
delay(2); //wait to make sure all data in the serial message has arived
memset(&stringText[0], 0, sizeof(stringText)); //clear the array
while(Serial.available()){//set elemetns of stringText to the serial values sent
char digit = Serial.read(); //read in a char
strncat(stringText, &digit, 1); //add digit to the end of the array
}
serialFlush();//Clear any excess data in the serial buffer
int serialCommandValueInt = atoi(stringText); //converts stringText to an int
float serialCommandValueFloat = atof(stringText); //converts stringText to a float
//if(command == 'G' && stringText[0] == 0) return;//For the bluetooth issue of it sending data when it connects...
switch(instruction){
case INSTRUCTION_AUTO_HOME:{
printi(F("Beginning homing...\n"));
if(findHome()){
printi(F("Homing complete.\n"));
}
else{
stepper_pan.setCurrentPosition(0);
stepper_tilt.setCurrentPosition(0);
setTargetPositions(0, 0);
printi(F("Error finding home position... Current position has been set as home.\n"));
}
}
break;
case INSTRUCTION_TOGGLE_HOMING:{
toggleAutoHoming();
}
break;
case INSTRUCTION_SET_PAN_HALL_OFFSET:{
hall_pan_offset_degrees = serialCommandValueFloat;
}
break;
case INSTRUCTION_SET_TILT_HALL_OFFSET:{
hall_tilt_offset_degrees = serialCommandValueFloat;
}
break;
case INSTRUCTION_INVERT_TILT:{
invertTiltDirection(serialCommandValueInt);
}
break;
case INSTRUCTION_INVERT_PAN:{
invertPanDirection(serialCommandValueInt);
}
break;
case INSTRUCTION_SAVE_TO_EEPROM:{
printi(F("Saving values to EEPROM... \n"));
saveEEPROM();
printi(F("Current valuses saved.\n"));
}
break;
case INSTRUCTION_ADD_POSITION:{
addPosition();
}
break;
case INSTRUCTION_STEP_FORWARD:{
moveToIndex(current_moves_array_index + 1);
}
break;
case INSTRUCTION_STEP_BACKWARD:{
moveToIndex(current_moves_array_index - 1);
}
break;
case INSTRUCTION_JUMP_TO_START:{
gotoMovesArrayStart();
}
break;
case INSTRUCTION_JUMP_TO_END:{
gotoMovesArrayEnd();
}
break;
case INSTRUCTION_EDIT_ARRAY:{
editMovesArrayIndex();
}
break;
case INSTRUCTION_ADD_DELAY:{
addDelay(serialCommandValueInt);
}
break;
case INSTRUCTION_CLEAR_ARRAY:{
clearArray();
}
break;
case INSTRUCTION_EXECUTE_MOVES:{
executeMoves(serialCommandValueInt);
}
break;
case INSTRUCTION_PAN_RUN_SPEED:{
stepper_pan.setSpeed(panDegreesToSteps(serialCommandValueFloat));
stepper_pan.runSpeed();
}
break;
case INSTRUCTION_TILT_RUN_SPEED:{
stepper_tilt.setSpeed(tiltDegreesToSteps(serialCommandValueFloat));
stepper_tilt.runSpeed();
}
break;
case INSTRUCTION_STATUS:{
statusReport();
}
break;
case INSTRUCTION_DEBUG_STATUS:{
debugReport();
}
break;
case INSTRUCTION_PAN_STEPS:{
target_position[0] = serialCommandValueInt;
multi_stepper.moveTo(target_position);
}
break;
case INSTRUCTION_PAN_DEGREES:{
panJogDegrees(serialCommandValueFloat);
}
break;
case INSTRUCTION_TILT_STEPS:{
target_position[1] = serialCommandValueInt;
multi_stepper.moveTo(target_position);
}
break;
case INSTRUCTION_TILT_DEGREES:{
tiltJogDegrees(serialCommandValueFloat);
}
break;
// case INSTRUCTION_HOME:{
// target_position[0] = 0;
// target_position[1] = 0;
// multi_stepper.moveTo(target_position); //Sets new target positions
// }
// break;
case INSTRUCTION_SET_HOME:{
stepper_pan.setCurrentPosition(0);
stepper_tilt.setCurrentPosition(0);
}
break;
case INSTRUCTION_ENABLE:{
enableSteppers(serialCommandValueInt);
}
break;
case INSTRUCTION_STEP_MODE:{
setStepMode(serialCommandValueInt);
}
break;
case INSTRUCTION_SET_ACCELLERATION:{
printi("Setting acceleration to ", serialCommandValueFloat, 1, " steps/s/s.\n");
pan_acceleration = serialCommandValueFloat;
tilt_acceleration = serialCommandValueFloat;
stepper_pan.setAcceleration(pan_acceleration);
stepper_tilt.setAcceleration(tilt_acceleration);
}
break;
case INSTRUCTION_SET_PAN_SPEED:{
printi("Setting maximum pan speed to ", serialCommandValueFloat, 1, " steps/s.\n");
pan_max_speed = serialCommandValueFloat;
stepper_pan.setMaxSpeed(pan_max_speed);
}
break;
case INSTRUCTION_SET_TILT_SPEED:{
printi("Setting maximum tilt speed to ", serialCommandValueFloat, 1, " steps/s.\n");
tilt_max_speed = serialCommandValueFloat;
stepper_tilt.setMaxSpeed(tilt_max_speed);
}
break;
case INSTRUCTION_MULTISTEPPER_TEST_2:{
target_position[0] = panDegreesToSteps(45);
target_position[1] = tiltDegreesToSteps(180);
multi_stepper.moveTo(target_position);
}
break;
case INSTRUCTION_MULTISTEPPER_TEST_3:{
target_position[0] = panDegreesToSteps(-45);
target_position[1] = tiltDegreesToSteps(-180);
multi_stepper.moveTo(target_position);
}
break;
// case COMMAND_CARTESIAN:{//Moves relitive to the current position
// while(Serial.available() != 6){//Wait for six bytes to be available. Breaks after ~200ms if bytes are not received.
// delayMicroseconds(200);
// count++;
// if(count > 1000){
// serialFlush();//Clear the serial buffer
// break;
// }
// }
// int xTarget = (Serial.read() << 8) + Serial.read();
// int yTarget = (Serial.read() << 8) + Serial.read();
// int zTarget = (Serial.read() << 8) + Serial.read();
//
// inverse_kinematics(end_effector.x + xTarget, end_effector.y + yTarget, end_effector.z + zTarget);//Calculates servo positions
// move_servos();//Moves the robot's servos
// }
// break;
}
}
/*--------------------------------------------------------------------------------------------------------------------------------------------------------*/
void mainLoop(void){
while(1){
if(Serial.available()) serialData();
multi_stepper.run();
}
}
/*--------------------------------------------------------------------------------------------------------------------------------------------------------*/
+137
View File
@@ -0,0 +1,137 @@
#ifndef PANTILTMOUNT_H
#define PANTILTMOUNT_H
/*------------------------------------------------------------------------------------------------------------------------------------------------------*/
#define BAUD_RATE 57600
#define PIN_MS 11
#define PIN_ENABLE 12
#define PIN_DIRECTION_PAN 5
#define PIN_STEP_PAN 6
#define PIN_DIRECTION_TILT 7
#define PIN_STEP_TILT 8
#define PIN_DIRECTION_SLIDER 9
#define PIN_STEP_SLIDER 10
#define PIN_PAN_HALL A3
#define PIN_TILT_HALL A4
#define PIN_INPUT_VOLTAGE A5
#define FULL_STEP 1
#define HALF_STEP 2
#define QUARTER_STEP 4
#define EIGHTH_STEP 8
#define SIXTEENTH_STEP 16
#define PAN_GEAR_RATIO 8.4705882352941176470588235294118 //144/17 teeth
#define TILT_GEAR_RATIO 3.047619047619047619047619047619 //64/21 teeth
#define MAX_STRING_LENGTH 10
#define ARRAY_LENGTH 20
#define INSTRUCTION_STEP_MODE 'm'
#define INSTRUCTION_PAN_STEPS 'P'
#define INSTRUCTION_TILT_STEPS 'T'
#define INSTRUCTION_PAN_DEGREES 'p'
#define INSTRUCTION_TILT_DEGREES 't'
//#define INSTRUCTION_HOME 'h'
#define INSTRUCTION_SET_HOME 'h'
#define INSTRUCTION_ENABLE 'e'
#define INSTRUCTION_SET_ACCELLERATION 'a'
#define INSTRUCTION_SET_PAN_SPEED 's'
#define INSTRUCTION_SET_TILT_SPEED 'S'
#define INSTRUCTION_INVERT_PAN 'i'
#define INSTRUCTION_INVERT_TILT 'I'
#define INSTRUCTION_SET_PAN_HALL_OFFSET 'o'
#define INSTRUCTION_SET_TILT_HALL_OFFSET 'O'
#define INSTRUCTION_TOGGLE_HOMING 'H'
#define INSTRUCTION_AUTO_HOME 'A'
#define INSTRUCTION_MULTISTEPPER_TEST_2 '2'
#define INSTRUCTION_MULTISTEPPER_TEST_3 '3'
#define INSTRUCTION_DEMO_1 '4'
#define INSTRUCTION_STATUS 'r'
#define INSTRUCTION_DEBUG_STATUS 'R'
#define INSTRUCTION_PAN_RUN_SPEED 'k'
#define INSTRUCTION_TILT_RUN_SPEED 'l'
#define INSTRUCTION_EXECUTE_MOVES ';'
#define INSTRUCTION_ADD_POSITION '#'
#define INSTRUCTION_STEP_FORWARD '>'
#define INSTRUCTION_STEP_BACKWARD '<'
#define INSTRUCTION_JUMP_TO_START '['
#define INSTRUCTION_JUMP_TO_END ']'
#define INSTRUCTION_EDIT_ARRAY 'E'
#define INSTRUCTION_ADD_DELAY 'D'
#define INSTRUCTION_CLEAR_ARRAY 'C'
#define INSTRUCTION_SAVE_TO_EEPROM 'U'
#define EEPROM_ADDRESS_ENABLE_HOMING 0
#define EEPROM_ADDRESS_LIMIT_PAN_MIN 1
#define EEPROM_ADDRESS_LIMIT_PAN_MAX 5
#define EEPROM_ADDRESS_LIMIT_TILT_MIN 9
#define EEPROM_ADDRESS_LIMIT_TILT_MAX 13
#define EEPROM_ADDRESS_PAN_MAX_SPEED 17
#define EEPROM_ADDRESS_TILT_MAX_SPEED 21
#define EEPROM_ADDRESS_PAN_ACCELERATION 25
#define EEPROM_ADDRESS_TILT_ACCELERATION 29
#define EEPROM_ADDRESS_HALL_PAN_OFFSET 33
#define EEPROM_ADDRESS_HALL_TILT_OFFSET 37
#define EEPROM_ADDRESS_INVERT_PAN 41
#define EEPROM_ADDRESS_INVERT_TILT 42
#define EEPROM_ADDRESS_MODE 43
#define VERSION_NUMBER "1.3.1"
/*------------------------------------------------------------------------------------------------------------------------------------------------------*/
struct ArrayElement {
long panStepCount = 0;
float panSpeed = 0;
long tiltStepCount = 0;
float tiltSpeed = 0;
int msDelay = 0;
};
/*------------------------------------------------------------------------------------------------------------------------------------------------------*/
void initPanTilt(void);
void serialFlush(void);
void enableSteppers(bool);
void setStepMode(int);
void serialData(void);
void mainLoop(void);
void panJogDegrees(float);
void tiltJogDegrees(float);
float panDegreesToStep(float);
float tiltDegreesToStep(float);
void statusReport(void);
void debugReport(void);
bool findHome(void);
float getBatteryVoltage(void);
float getBatteryPercentage(void);
float boundFloat(float, float, float);
float panDegreesToSteps(float);
float tiltDegreesToSteps(float);
float panStepsToDegrees(long);
float tiltStepsToDegrees(long);
int addPosition(void);
void clearArray(void);
void executeMoves(int);
void moveToIndex(int);
void gotoMovesArrayStart(void);
void gotoMovesArrayEnd(void);
void editMovesArrayIndex(void);
void addDelay(unsigned int ms);
void printProgramElements(void);
void saveEEPROM(void);
void printEEPROM(void);
void setEEPROMVariables(void);
void invertPanDirection(bool);
void invertTiltDirection(bool);
int setTargetPositions(float, float);
void toggleAutoHoming(void);
/*------------------------------------------------------------------------------------------------------------------------------------------------------*/
#endif
@@ -0,0 +1,41 @@
/*--------------------------------------------------------------------------------------------------------------------------------------------------------
*
* CHECK THE CODE FOR "TODO:" AND EDIT APPROPRIATELY
*
* The code is developed for a Delta robot. The robot is controlled by an Arduino Nano.
*
* Pan Tilt Mount STL files:
*
* Project video:
*
* All measurements are in SI units unless otherwise specified.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
* IN THE SOFTWARE
*
* Code written by isaac879
*
* Last modified: 23/03/2020
*
*--------------------------------------------------------------------------------------------------------------------------------------------------------*/
//TODOs:
//software limits
//point to point in x time
//status reports
//report commands
/*--------------------------------------------------------------------------------------------------------------------------------------------------------*/
#include "panTiltMount.h"
/*--------------------------------------------------------------------------------------------------------------------------------------------------------*/
void setup(){
initPanTilt();
}
void loop(){
mainLoop();
}