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Copy pathfreePEMF_func.h
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freePEMF_func.h
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/*
* bioZAP_func.h
*
* Created on: 22 lut 2018
* Author: blos
*/
#ifndef FREEPEMF_FUNC_H_
#define FREEPEMF_FUNC_H_
//#ifndef SERIAL_DEBUG
//#define SERIAL_DEBUG
//#endif
#include <Arduino.h>
#include <EEPROM.h>
#include "freePEMF_prog.h"
#include <TimerOne.h>
#include "FPTimer.h"
//Pin definition
#define coilPin 5 // Coil driver IRF510
#define powerPin 4 // Power relay
#define relayPin 9 // Direction relay
#define buzzPin 10 // Buzzer
#define buzerPin 10 // Buzzer
#define btnPin 3 // Power On-Off / Pause / Change program button
#define redPin 12 // Red LED
#define greenPin 11 // Green LED
#define hrmPin 2 // Biofeedback HR meter on 3th plug pin.
#define pin3Pin 2
//Battery staff
#define batPin A7 // Analog-in battery level
#define BATTERY_VOLTAGE_RATIO 0.153 // nclude div 10k/4,7k resistors. 5V*(10k+4,7k)/4,7k = 0,0153 (x10)
#define EEPROM_BATTERY_CALIBRATION_ADDRESS 1023 // Memory address of battery correction factor - 100 means RATIO x 1,00
#define MIN_BATTERY_LEVEL 90 // 90 means 9.0 V (x10), less then that turn off
#define USB_POWER_SUPPLY_LEVEL 65 // Maximum usb voltage level means 6.5V
//BIOzap
#define WELCOME_SCR "Free BIOzap interpreter welcome! See http://biotronika.pl"
#define PROGRAM_SIZE 1000 // Maximum program size
#define PROGRAM_BUFFER 500 // SRAM buffer size, used for script loading
#define MAX_CMD_PARAMS 3 // Count of command params
#define MIN_FREQ_OUT 1 // 0.01 Hz
#define MAX_FREQ_OUT 12000000 // 50.00 Hz
#define SCAN_STEPS 100 // For scan function puropose - default steps
#define XON 17 //0x11
#define XOFF 19 //0x13
#define FREQ_MIN 1 // 0.01 Hz
#define FREQ_MAX 12000000 // 120kHz
#define FREQ_MAX_PERIOD 1800 //Maximum duration of freq function in seconds
#define MAX_LABELS 9 // Number of labels in script therapy (0 is not used)
//constant string definitions
#define COMMAND_STOP "stop"
#define COMMAND_START "start"
#define COMMAND_PAUSE "pause"
#define COMMAND_STATUS "status"
#define COMMAND_OFF "off"
#define COMMAND_ON "on"
#define COMMAND_DEVICE "device"
#define COMMAND_RESTART "restart"
#define COMMAND_PWM "pwm"
#define COMMAND_OUT "out"
#define COMMAND_FREQ "freq"
#define COMMAND_SIN "sin"
#define COMMAND_JUMP "jump"
#define COMMAND_REC "rec"
#define COMMAND_SCAN "scan"
#define COMMAND_CHP "chp"
#define COMMAND_EXE "exe"
#define COMMAND_PROG "prog"
#define COMMAND_WAIT "wait"
#define COMMAND_PIN3 "pin3"
#define COMMAND_BAT "bat"
#define COMMAND_BEEP "beep"
#define COMMAND_RM "rm"
#define COMMAND_PRINT "print"
#define COMMAND_MEM "mem"
#define COMMAND_LS "ls"
#define RESPONSE_PREFIX "R:"
#define RESPONSE_STATUS_READY "STATUS:READY"
#define RESPONSE_STATUS_OFF "STATUS:OFF"
#define RESPONSE_STATUS_WORKING "STATUS:WORKING"
#define RESPONSE_STATUS_PAUSED "STATUS:PAUSED"
#define RESPONSE_DEVICE "DEVICE:free-PEMF"
#define RESPONSE_LS_BEGIN "LS:BEGIN"
#define RESPONSE_LS_END "LS:END"
#define PROGRAM_RUN "P:RUN:"
#define PROGRAM_LEN "P:LEN:"
#define LOG_SEPARATOR ':'
#define LINE_SEPARATOR '\n'
#define EMPTY_STRING ""
#define PROGRAM_END '@'
//BIOzap
String inputString = EMPTY_STRING; // a string to hold incoming serial data
String param[MAX_CMD_PARAMS]; // param[0] = cmd name
boolean stringComplete = false; // whether the string is complete
boolean memComplete = false;
unsigned long lastFreq = MIN_FREQ_OUT; // Uses scan function
byte minBatteryLevel = 0;
const unsigned long checkDeltaBatteryIncreasingVoltageTime = 600000UL; // During charging battery minimum inreasing voltage after x millisecounds.
// If after the x period the same voltage, green led starts lights.
const unsigned long pauseTimeOut = 600000UL; // 600000 Time of waiting in pause state as turn power off. (60000 = 1 min.)
const unsigned int btnTimeOut = 5000UL; // Choose therapy program time out. Counted form released button.
byte coilState = LOW;
byte pwmValue = 100;
volatile boolean pause = false; // true = pause on
volatile boolean goToLoop = false; // true = exit to the main loop
unsigned long pressTime = 0; // Time of pressing the button
unsigned long startInterval; // For unused timeout off.
byte programNo = 1; // 0 = PC connection, 1= first program etc.
byte programRunning = 0; // 0 = PC connection, 1= first program etc.
unsigned long programLenght = 0;
int adr = 0;
FPTimer functionTimer;
//Serial buffer
char memBuffer[PROGRAM_BUFFER];
#define MAX_LABELS 9
int labelPointer[MAX_LABELS + 1]; // Next line of label
int labelLoops[MAX_LABELS + 1]; // Number of left jump loops
int localLabelLoops[MAX_LABELS + 1];
boolean pcConnection = false;
byte pin3 = 0; //State of pin3
String line;
//Global vars
int b;
//function prototypes
int readEepromLine(int fromAddress, String &lineString);
void getParams(String &inputString);
int executeCmd(String cmdLine);
void eepromUpload(int adr = 0);
boolean readSerial2Buffer(int &endBuffer);
void rechargeBattery();
void chp(byte outputDir);
void off();
void beep(unsigned int period);
void rec(unsigned long Freq, unsigned long period); //deprecated
int bat();
void wait(unsigned long period);
void exe(int &adr, int prog = -1);
//
//void exe();
void scan(unsigned long Freq, unsigned int period);
int mem();
void ls();
void rm();
//void cbat();
int jump(int labelNumber, int &adr);
void serialEvent();
String getCommand();
void printProgramLenght();
void restartProgram(int prog);
void switchCoilState();
///////////////////////////// bioZAP functions ///////////////////////////////
void response(String _command) {
Serial.print(RESPONSE_PREFIX + _command + LOG_SEPARATOR);
Serial.println(bat());
}
boolean checkPause() {
String _serialCommand = getCommand();
if (_serialCommand == COMMAND_PAUSE) {
pause = true;
} else if (_serialCommand == COMMAND_STOP) {
goToLoop = true;
return true;
} else if (_serialCommand == COMMAND_STATUS) {
printProgramLenght();
response(RESPONSE_STATUS_WORKING);
} else if (_serialCommand == COMMAND_DEVICE) {
response(RESPONSE_DEVICE);
}
return false;
}
void beepShort() {
beep(100);
}
void beepNormal() {
beep(200);
}
void beepLong() {
beep(500);
}
String formatLine(int adr, String line) {
String printLine;
printLine.reserve(22);
printLine = "000" + String(adr, DEC);
printLine = printLine.substring(printLine.length() - 3, printLine.length());
printLine += ": " + line; //end marker for appending program
return printLine;
}
int executeCmd(String cmdLine) {
// Main interpreter function
if (goToLoop) {
return 0;
}
int i;
long l;
#ifdef SERIAL_DEBUG
Serial.print("EXECUTE: ");
Serial.print(cmdLine);
#endif
getParams(cmdLine);
if (param[0] == COMMAND_MEM) {
// Upload therapy to EEPROM
mem();
} else if (param[0] == COMMAND_LS) {
//List therapy
ls();
} else if (param[0].charAt(0) == '#') {
// Comment
;
} else if (param[0].charAt(0) == LOG_SEPARATOR) {
// Label - setup for new label jump counter
b = param[0].substring(1).toInt();
if (b > 0 && b < MAX_LABELS) {
if (param[1].length() >= 1) {
if (param[1].toInt()) {
labelLoops[b] = param[1].toInt() - 1;
}
#ifdef SERIAL_DEBUG
Serial.print("label: ");
Serial.print(adr);
Serial.print(" : ");
Serial.print(b);
Serial.print(" : ");
Serial.println(labelLoops[b]);
#endif
} else {
labelLoops[b] = -1; //Infinity loop
}
}
} else if (param[0] == EMPTY_STRING) {
// Emptyline
;
} else if (param[0] == COMMAND_PRINT) {
// Emptyline
if (cmdLine.length() > 6) {
Serial.println(cmdLine.substring(6, cmdLine.length() - 1));
} else {
Serial.println();
}
} else if (param[0] == COMMAND_RM) {
// Remove, clear script therapy from memory
rm();
} else if (param[0] == COMMAND_BAT) {
// Print battery voltage
if (pcConnection)
Serial.println(bat());
} else if (param[0] == COMMAND_BEEP) {
// Beep [time_ms]
beep(param[1].toInt());
} else if (param[0] == COMMAND_PIN3) {
// Socket pin3 <state> If ną state pin3 = !pin3
if (param[1].length() == 1) {
if (param[1].charAt(0) == '~') {
if (pin3)
pin3 = 0;
else
pin3 = 1;
} else if (param[1].toInt() == 1) {
pin3 = 1;
} else {
pin3 = 0;
}
//pinMode(pin3Pin, OUTPUT);
digitalWrite(pin3Pin, pin3);
}
} else if (param[0] == COMMAND_JUMP) {
// Jump [label number]
if (jump(param[1].toInt(), adr)) {
return adr;
}
} else if (param[0] == COMMAND_OFF) {
off();
} else if (param[0] == COMMAND_WAIT) {
wait(param[1].toInt());
} else if (param[0] == COMMAND_FREQ || param[0] == COMMAND_REC
|| param[0] == COMMAND_SIN) {
// Generate sinus or rectangle signal - freq [freq] [time_sec]
l = param[1].toDouble();
i = param[2].toDouble();
if (l && i) {
rec(constrain(l, FREQ_MIN, FREQ_MAX),
constrain(i, 1, FREQ_MAX_PERIOD));
}
} else if (param[0] == COMMAND_SCAN) {
// Scan from lastFreq - scan [freq to] [time_ms]
//scan(param[1].toInt(), param[2].toInt());
//TODO: lastFreq and Freq change to one
l = param[1].toDouble();
i = param[2].toDouble();
if (l && i) {
scan(constrain(l, FREQ_MIN, FREQ_MAX),
constrain(i, 5, FREQ_MAX_PERIOD));
}
} else if (param[0] == COMMAND_CHP) {
chp(byte(param[1].toInt()));
} else if (param[0] == COMMAND_EXE) {
response(RESPONSE_STATUS_WORKING);
programRunning = 0;
exe(adr, 0);
response(RESPONSE_STATUS_READY);
} else if (param[0] == COMMAND_PROG) {
response(RESPONSE_STATUS_WORKING);
programRunning = param[1].toInt();
exe(adr, programRunning);
response(RESPONSE_STATUS_READY);
} else if (param[0] == COMMAND_DEVICE) {
response(RESPONSE_DEVICE);
} else if (param[0] == COMMAND_STATUS) {
response(RESPONSE_STATUS_READY);
} else if (param[0] == COMMAND_ON) {
response(RESPONSE_STATUS_READY);
} else if (param[0] == COMMAND_RESTART) {
restartProgram(programNo);
} else if (param[0] == COMMAND_PWM) {
pwmValue = param[1].toInt();
} else if (param[0] == COMMAND_OUT) {
if (param[1].length() == 1) {
if (param[1].charAt(0) == '~') {
switchCoilState();
} else if (param[1].toInt() == 0) {
coilState = LOW;
} else {
coilState = HIGH;
}
digitalWrite(coilPin, coilState);
}
} else {
//Unknown command
if (pcConnection)
Serial.println("Unknown command: " + param[0]);
}
return 0;
}
void rm() {
// Remove, clear script therapy from memory
EEPROM.put(0, PROGRAM_END);
}
void ls() {
//List script therapy
int adr = 0;
int endLine;
String line;
response(RESPONSE_LS_BEGIN);
if (param[1] == "-n") {
Serial.println("Adr Command");
while ((endLine = readEepromLine(adr, line)) && (adr < PROGRAM_SIZE)) {
Serial.print(formatLine(adr, line));
adr = adr + endLine;
}
//End marker (@) informs an user where to start appending of program
if (adr < PROGRAM_SIZE) {
Serial.println(formatLine(adr, "@"));
}
} else {
// while ((endLine = readEepromLine(adr, line)) && (adr < PROGRAM_SIZE)) {
// Serial.print(line);
// adr = adr + endLine;
// }
for (int i = 0; i < PROGRAM_SIZE; i++) {
char eeChar = (char) EEPROM.read(i);
if ((eeChar == PROGRAM_END) || (eeChar == char(255))) {
break;
}
Serial.print(eeChar);
}
}
response(RESPONSE_LS_END);
}
int mem() {
// Upload therapy to EEPROM
if (param[1] == "\0") {
eepromUpload();
} else if (param[1] == "@") {
//Find script end
int endAdr = 0;
for (int i = 0; i < PROGRAM_SIZE; i++) {
if ((byte) EEPROM.read(i)
== 255|| (char) EEPROM.read(i) == PROGRAM_END) {
endAdr = i;
break;
}
}
if (pcConnection)
Serial.println(formatLine(endAdr, "appending from..."));
eepromUpload(endAdr);
} else if (param[1].toInt() > 0 && param[1].toInt() < PROGRAM_SIZE) {
eepromUpload(param[1].toInt());
} else {
if (pcConnection)
Serial.print("Error: unknown parameter ");
if (pcConnection)
Serial.println(param[1]);
return -1;
}
return 0;
}
int jump(int labelNumber, int &adr) {
if (labelNumber > 0 && labelNumber < MAX_LABELS) {
if (labelPointer[labelNumber]) {
if (labelLoops[labelNumber] > 0) {
adr = labelPointer[labelNumber]; //Jump to new position
labelLoops[labelNumber]--; //Decrees jump counter
return adr;
} else if (labelLoops[labelNumber] == -1) { //Unlimited loop
adr = labelPointer[labelNumber];
return adr;
}
}
}
return 0;
}
int readFlashLine(int fromAddress, String &lineString) {
//Read one line from EEPROM memory
int i = 0;
lineString = EMPTY_STRING;
#ifdef SERIAL_DEBUG
//Serial.print("readFlashLine1 fromAddress: ");
//Serial.println(fromAddress);
#endif
do {
char eeChar = char(pgm_read_byte(&internalProgram[fromAddress + i]));
#ifdef SERIAL_DEBUG
//Serial.print("readFlashLine2 eeChar: ");
//Serial.println(eeChar);
#endif
if (eeChar == char(PROGRAM_END)) {
if (i > 0) {
eeChar = LINE_SEPARATOR;
} else {
i = 0;
break;
}
}
lineString += eeChar;
i++;
if (eeChar == LINE_SEPARATOR)
break;
} while (1);
#ifdef SERIAL_DEBUG
//Serial.print("readFlashLine3 i: ");
//Serial.println(i);
#endif
return i;
}
int fakeJump(int labelNumber, int &_adr) {
if (labelNumber > 0 && labelNumber < MAX_LABELS) {
if (labelPointer[labelNumber]) {
if (localLabelLoops[labelNumber] > 0) {
_adr = labelPointer[labelNumber]; //Jump to new position
localLabelLoops[labelNumber]--; //Decrees jump counter
return _adr;
} else if (localLabelLoops[labelNumber] == -1) { //Unlimited loop
_adr = labelPointer[labelNumber];
return _adr;
}
}
}
return 0;
}
void getProgramLenght(int &adr, int prog) {
programLenght = 0;
int localAdr = adr;
int endLine;
for (int q = 0; q < MAX_LABELS; q++) {
localLabelLoops[q] = labelLoops[q];
}
do {
if (prog > 0) {
//EEPROM memory
endLine = readFlashLine(localAdr, line);
} else {
//Flash memory
endLine = readEepromLine(localAdr, line);
}
if (endLine) {
getParams(line);
int adrJump = 0;
if (param[0] == COMMAND_FREQ || param[0] == COMMAND_REC
|| param[0] == COMMAND_SIN || param[0] == COMMAND_SCAN) {
programLenght += (long) param[2].toInt();
} else if (param[0] == COMMAND_JUMP) {
if (fakeJump(param[1].toInt(), adr)) {
adrJump = adr;
}
} else if (param[0] == COMMAND_OFF) {
break;
}
if (adrJump) {
localAdr = adrJump;
} else {
localAdr = endLine + localAdr;
}
endLine = 0;
} else {
localAdr = 0;
}
} while (localAdr > 0);
printProgramLenght();
}
void printProgramLenght() {
if (programLenght > 0) {
Serial.print(PROGRAM_LEN);
Serial.println(programLenght);
}
}
int readLabelPointers(int prog) {
/* Initialize Labels pointers and jump loops
* prog:
* 0 - user program, jumps have counters,
* 1-9 Internal programs,
*/
int i;
int adr = 0;
for (i = 1; i < MAX_LABELS + 1; i++)
labelLoops[i] = 0;
i = 0;
do {
if (prog > 0) {
//Internal program addresses
adr = readFlashLine(i, line);
getParams(line);
} else {
//EEPROM program labels
adr = readEepromLine(i, line);
getParams(line);
}
if (line.length() > 1)
if (line[0] == LOG_SEPARATOR) {
byte lblNo = line[1] - 48;
if (lblNo > 0 && lblNo < 10) {
labelPointer[lblNo] = i + line.length(); // Next line of label
//labelPointer[lblNo] = adr; // Next line of label
if (param[1].length()) {
if (param[1].toInt() > 0) {
labelLoops[lblNo] = param[1].toInt() - 1;
}
} else {
labelLoops[lblNo] = -1;
}
if (lblNo == prog && prog > 0)
return labelPointer[lblNo];
}
}
i += line.length();
//i=adr;
} while (adr);
#ifdef SERIAL_DEBUG
for (i = 1; i < MAX_LABELS + 1; i++) {
Serial.print("Label: ");
Serial.print(i);
Serial.print(" loops: ");
Serial.print(labelLoops[i]);
Serial.print(" ptr: ");
Serial.println(labelPointer[i]);
}
#endif
return 0;
}
void restartProgram(int prog) {
//First time of internal program call
if (!adr && (prog > 0)) {
adr = readLabelPointers(prog);
} else if (!adr) {
readLabelPointers(0);
}
getProgramLenght(adr, prog);
}
void exe(int &adr, int prog) {
//Execute program
if (goToLoop) {
return;
}
functionTimer.resetTimer();
int endLine;
restartProgram(prog);
do {
if (goToLoop) {
return;
}
#ifdef SERIAL_DEBUG
Serial.print("exe1 prog: ");
Serial.println(prog);
Serial.print("exe1 adr: ");
Serial.println(adr);
#endif
if (prog > 0) {
//EEPROM memory
endLine = readFlashLine(adr, line);
} else {
//Flash memory
endLine = readEepromLine(adr, line);
}
#ifdef SERIAL_DEBUG
Serial.print("exe2 endLine: ");
Serial.println(endLine);
Serial.print("exe2 adr: ");
Serial.println(adr);
#endif
//endLine = readEepromLine(adr,line);
if (endLine) {
//int endLine = readEepromLine(adr,line);
#ifdef SERIAL_DEBUG
Serial.print("exe3 ");
Serial.print(adr);
Serial.print(": ");
Serial.println(line);
#endif
//executeNext line
int adrJump = executeCmd(line);
if (adrJump) {
adr = adrJump;
} else {
adr = endLine + adr;
}
endLine = 0;
} else {
adr = 0;
}
} while (adr > 0);
}
void off() {
// Power off function
programLenght = 0;
goToLoop = true;
programNo = 0;
adr = 0;
response(RESPONSE_STATUS_OFF);
digitalWrite(coilPin, LOW); // Turn coil off by making the voltage LOW
delay(20);
digitalWrite(relayPin, LOW); // Relay off
digitalWrite(greenPin, LOW); // Green LED off
digitalWrite(powerPin, LOW); // Turn power off //If not USB power
while (digitalRead(btnPin) == HIGH)
; // Wait because still power on
//If USB PC connection is pluged microcontroller cannot turn power off
//detachInterrupt(digitalPinToInterrupt(btnPin));
while (1) {
String _serialCommand = getCommand();
if (_serialCommand == COMMAND_ON) {
goToLoop = true;
//Turn on green LED
digitalWrite(greenPin, HIGH);
digitalWrite(powerPin, HIGH);
beepNormal();
startInterval = millis();
response(RESPONSE_STATUS_READY);
return;
} else if (_serialCommand == COMMAND_STATUS
|| _serialCommand == COMMAND_OFF) {
response(RESPONSE_STATUS_OFF);
} else if (_serialCommand == COMMAND_DEVICE) {
response(RESPONSE_DEVICE);
}
}
}
void chp(byte outputDir) {
//Change output polarity
digitalWrite(coilPin, LOW); // turning coil off
if (outputDir) {
digitalWrite(relayPin, HIGH); // turn relay on
} else {
digitalWrite(relayPin, LOW); // turn relay off
}
}
int bat() {
// Get battery voltage function
return (analogRead((unsigned char) batPin) *
BATTERY_VOLTAGE_RATIO
* (byte) EEPROM.read(EEPROM_BATTERY_CALIBRATION_ADDRESS) / 100);
}
void wait(unsigned long period) {
// wait [period_ms]
unsigned long serialStartPeriod = millis();
unsigned long startInterval = millis();
while (millis() - startInterval <= period) {
//count each second
if (millis() - serialStartPeriod >= 1000) {
if (!goToLoop)
if (checkPause()) {
break;
}
#ifdef SERIAL_DEBUG
Serial.print('.');
#endif
serialStartPeriod = millis();
}
}
}
void beep(unsigned int period) {
// beep [period_ms]
unsigned long serialStartPeriod = millis();
unsigned long startInterval = millis();
digitalWrite(buzzPin, HIGH);
while (millis() - startInterval <= period) {
//time loop
//TODO serial break command - mark @
//count each second
if (millis() - serialStartPeriod >= 1000) { //one second
#ifdef SERIAL_DEBUG
Serial.print('.');
#endif
serialStartPeriod = millis();
}
}
digitalWrite(buzzPin, LOW);
}
void scan(unsigned long freq, unsigned int period) {
// Scan from lastFreq to freq used SCAN_STEPS by period
long scanSteps = SCAN_STEPS;
long stepPeriod = period / scanSteps;
if (stepPeriod < 1) {
scanSteps = period;
stepPeriod = 1;
}
long startFreq = lastFreq;
long stepFreq = long(constrain(freq, MIN_FREQ_OUT, MAX_FREQ_OUT) - lastFreq)
/ scanSteps;
for (int i = 0; i < scanSteps; i++) {
rec(startFreq + (i * stepFreq), stepPeriod);
}
}
void switchCoilState() {
coilState ^= 1;
}
boolean verifyBatteryLevel() {
if (analogRead((unsigned char) batPin) < minBatteryLevel) {
//Emergency turn off
Serial.println();
Serial.print(F("Error: battery too low:"));
Serial.println(bat());
// red LED on
digitalWrite(redPin, HIGH);
digitalWrite(greenPin, LOW);
// Turn all off
Timer1.detachInterrupt();
digitalWrite(coilPin, LOW); // Turn coil off by making the voltage LOW
digitalWrite(relayPin, LOW); // Relay off
for (int x = 0; x < 10; x++) {
digitalWrite(buzzPin, HIGH); // Turn buzzer on
delay(100);
digitalWrite(buzzPin, LOW); // Turn buzzer off
delay(200);
}
beepLong();
off();
return false;
} else {
return true;
}
}
void callback() {
switchCoilState();
digitalWrite(greenPin, coilState);
digitalWrite(coilPin, coilState);
}
String getCommand() {
serialEvent();
String _command = EMPTY_STRING;
if (stringComplete) {
getParams(inputString);
_command = param[0];
inputString = EMPTY_STRING;
stringComplete = false;
}
return _command;
}
void rec(unsigned long freq, unsigned long period) {
//Rectangle signal generate, freq=783 for 7.83Hz, period in secounds
lastFreq = constrain(freq, MIN_FREQ_OUT, MAX_FREQ_OUT); //For scan() function puropose
unsigned long interval = (unsigned long) (50000000 / lastFreq);
// Serial.println();
// Serial.print(F("lastFreq: "));
// Serial.println(lastFreq);
// Serial.print(F("interval: "));
// Serial.println(interval);
if (lastFreq < freq) {
Serial.print(F("too high frequency!"));
return;
}
FPTimer timer;
FPTimer secondCounter;
unsigned long timeUp = period * 1000;
Timer1.initialize(interval);
int localPwm = (1024 * pwmValue) / 100;
Timer1.pwm(coilPin, localPwm);
Timer1.attachInterrupt(callback);
while (timer.isTicking(timeUp) & !goToLoop) {
//time loop
//TODO serial break command - mark @
if (pause) {
response(RESPONSE_STATUS_PAUSED);
Serial.println("Pausing program");
//Pause - button pressed
fpTimer.resetTimer();
beepNormal();
coilState = 0;
Timer1.detachInterrupt();
digitalWrite(coilPin, LOW); // turn coil ooff
digitalWrite(greenPin, HIGH); // turn LED on
while (pause) {
//wait pauseTimeOut or button pressed
if (fpTimer.checkPauseTimeout()) {
beepLong();
off();
}
String _serialCommand = getCommand();
if (_serialCommand == COMMAND_START) {
pause = false;
response(RESPONSE_STATUS_WORKING);
} else if (_serialCommand == COMMAND_STOP) {
pause = false;