farmbot-arduino-firmware/src/farmbot_arduino_controller.cpp

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// Do not remove the include below
#include "farmbot_arduino_controller.h"
#include "pins.h"
#include "Config.h"
#include "StepperControl.h"
#include "ServoControl.h"
#include "PinGuard.h"
#include "MemoryFree.h"
#include "Debug.h"
#include "CurrentState.h"
#include <SPI.h>
#if !defined(FARMDUINO_EXP_V20)
#include "TimerOne.h"
#endif
bool stepperInit = false;
bool stepperFlip = false;
static char commandEndChar = 0x0A;
static GCodeProcessor *gCodeProcessor = new GCodeProcessor();
int reportingPeriod = 5000;
unsigned long lastAction;
unsigned long currentTime;
unsigned long cycleCounter = 0;
bool previousEmergencyStop = false;
unsigned long pinGuardLastCheck;
unsigned long pinGuardCurrentTime;
int lastParamChangeNr = 0;
String commandString = "";
char incomingChar = 0;
char incomingCommandArray[INCOMING_CMD_BUF_SIZE];
int incomingCommandPointer = 0;
// Blink led routine used for testing
bool blink = false;
void blinkLed()
{
blink = !blink;
digitalWrite(LED_PIN, blink);
}
// Interrupt handling for:
// - movement
// - encoders
// - pin guard
//
unsigned long interruptStartTime = 0;
unsigned long interruptStopTime = 0;
unsigned long interruptDuration = 0;
unsigned long interruptDurationMax = 0;
bool interruptBusy = false;
int interruptSecondTimer = 0;
#if !defined(FARMDUINO_EXP_V20)
void interrupt(void)
{
if (!debugInterrupt)
{
//interruptSecondTimer++;
if (interruptBusy == false)
{
//interruptStartTime = micros();
interruptBusy = true;
StepperControl::getInstance()->handleMovementInterrupt();
interruptBusy = false;
}
}
}
#endif
#if defined(FARMDUINO_EXP_V20)
ISR(TIMER2_OVF_vect) {
if (interruptBusy == false)
{
interruptBusy = true;
StepperControl::getInstance()->handleMovementInterrupt();
interruptBusy = false;
}
}
#endif
//The setup function is called once at startup of the sketch
void setup()
{
#ifdef RAMPS_V14
// Setup pin input/output settings
pinMode(X_STEP_PIN, OUTPUT);
pinMode(X_DIR_PIN, OUTPUT);
pinMode(X_ENABLE_PIN, OUTPUT);
pinMode(E_STEP_PIN, OUTPUT);
pinMode(E_DIR_PIN, OUTPUT);
pinMode(E_ENABLE_PIN, OUTPUT);
pinMode(X_MIN_PIN, INPUT_PULLUP);
pinMode(X_MAX_PIN, INPUT_PULLUP);
pinMode(X_ENCDR_A, INPUT_PULLUP);
pinMode(X_ENCDR_B, INPUT_PULLUP);
pinMode(X_ENCDR_A_Q, INPUT_PULLUP);
pinMode(X_ENCDR_B_Q, INPUT_PULLUP);
pinMode(Y_STEP_PIN, OUTPUT);
pinMode(Y_DIR_PIN, OUTPUT);
pinMode(Y_ENABLE_PIN, OUTPUT);
pinMode(Y_MIN_PIN, INPUT_PULLUP);
pinMode(Y_MAX_PIN, INPUT_PULLUP);
pinMode(Y_ENCDR_A, INPUT_PULLUP);
pinMode(Y_ENCDR_B, INPUT_PULLUP);
pinMode(Y_ENCDR_A_Q, INPUT_PULLUP);
pinMode(Y_ENCDR_B_Q, INPUT_PULLUP);
pinMode(Z_STEP_PIN, OUTPUT);
pinMode(Z_DIR_PIN, OUTPUT);
pinMode(Z_ENABLE_PIN, OUTPUT);
pinMode(Z_MIN_PIN, INPUT_PULLUP);
pinMode(Z_MAX_PIN, INPUT_PULLUP);
pinMode(Z_ENCDR_A, INPUT_PULLUP);
pinMode(Z_ENCDR_B, INPUT_PULLUP);
pinMode(Z_ENCDR_A_Q, INPUT_PULLUP);
pinMode(Z_ENCDR_B_Q, INPUT_PULLUP);
pinMode(HEATER_0_PIN, OUTPUT);
pinMode(HEATER_1_PIN, OUTPUT);
pinMode(FAN_PIN, OUTPUT);
pinMode(LED_PIN, OUTPUT);
pinMode(UTM_C, INPUT_PULLUP);
pinMode(UTM_D, INPUT_PULLUP);
pinMode(UTM_E, INPUT_PULLUP);
pinMode(UTM_F, INPUT_PULLUP);
pinMode(UTM_G, INPUT_PULLUP);
pinMode(UTM_H, INPUT_PULLUP);
pinMode(UTM_I, INPUT_PULLUP);
pinMode(UTM_J, INPUT_PULLUP);
pinMode(UTM_K, INPUT_PULLUP);
pinMode(UTM_L, INPUT_PULLUP);
// Aux 1 pins to safer state
pinMode(AUX1_00, INPUT_PULLUP);
pinMode(AUX1_01, INPUT_PULLUP);
pinMode(AUX1_57, INPUT_PULLUP);
pinMode(AUX1_58, INPUT_PULLUP);
// Aux 3 pins to safer state
pinMode(AUX3_49, INPUT_PULLUP);
pinMode(AUX3_50, INPUT_PULLUP);
pinMode(AUX3_51, INPUT_PULLUP);
// Aux 4 pins to safer state
pinMode(AUX4_43, INPUT_PULLUP);
pinMode(AUX4_45, INPUT_PULLUP);
pinMode(AUX4_47, INPUT_PULLUP);
pinMode(AUX4_32, INPUT_PULLUP);
pinMode(SERVO_0_PIN, OUTPUT);
pinMode(SERVO_1_PIN, OUTPUT);
pinMode(SERVO_2_PIN, OUTPUT);
pinMode(SERVO_3_PIN, OUTPUT);
#endif
#if defined(FARMDUINO_V10) || defined(FARMDUINO_V14)
// Setup pin input/output settings
pinMode(X_STEP_PIN, OUTPUT);
pinMode(X_DIR_PIN, OUTPUT);
pinMode(X_ENABLE_PIN, OUTPUT);
pinMode(E_STEP_PIN, OUTPUT);
pinMode(E_DIR_PIN, OUTPUT);
pinMode(E_ENABLE_PIN, OUTPUT);
pinMode(X_MIN_PIN, INPUT_PULLUP);
pinMode(X_MAX_PIN, INPUT_PULLUP);
pinMode(X_ENCDR_A, INPUT_PULLUP);
pinMode(X_ENCDR_B, INPUT_PULLUP);
//pinMode(X_ENCDR_A_Q, INPUT_PULLUP);
//pinMode(X_ENCDR_B_Q, INPUT_PULLUP);
pinMode(Y_STEP_PIN, OUTPUT);
pinMode(Y_DIR_PIN, OUTPUT);
pinMode(Y_ENABLE_PIN, OUTPUT);
pinMode(Y_MIN_PIN, INPUT_PULLUP);
pinMode(Y_MAX_PIN, INPUT_PULLUP);
pinMode(Y_ENCDR_A, INPUT_PULLUP);
pinMode(Y_ENCDR_B, INPUT_PULLUP);
//pinMode(Y_ENCDR_A_Q, INPUT_PULLUP);
//pinMode(Y_ENCDR_B_Q, INPUT_PULLUP);
pinMode(Z_STEP_PIN, OUTPUT);
pinMode(Z_DIR_PIN, OUTPUT);
pinMode(Z_ENABLE_PIN, OUTPUT);
pinMode(Z_MIN_PIN, INPUT_PULLUP);
pinMode(Z_MAX_PIN, INPUT_PULLUP);
pinMode(Z_ENCDR_A, INPUT_PULLUP);
pinMode(Z_ENCDR_B, INPUT_PULLUP);
//pinMode(Z_ENCDR_A_Q, INPUT_PULLUP);
//pinMode(Z_ENCDR_B_Q, INPUT_PULLUP);
pinMode(AUX_STEP_PIN, OUTPUT);
pinMode(AUX_DIR_PIN, OUTPUT);
pinMode(AUX_ENABLE_PIN, OUTPUT);
digitalWrite(AUX_ENABLE_PIN, HIGH);
pinMode(LED_PIN, OUTPUT);
pinMode(VACUUM_PIN, OUTPUT);
pinMode(WATER_PIN, OUTPUT);
pinMode(LIGHTING_PIN, OUTPUT);
pinMode(PERIPHERAL_4_PIN, OUTPUT);
pinMode(PERIPHERAL_5_PIN, OUTPUT);
pinMode(UTM_C, INPUT_PULLUP);
pinMode(UTM_D, INPUT_PULLUP);
if (UTM_E > 0) { pinMode(UTM_E, INPUT_PULLUP); };
if (UTM_F > 0) { pinMode(UTM_F, INPUT_PULLUP); };
if (UTM_G > 0) { pinMode(UTM_G, INPUT_PULLUP); };
if (UTM_H > 0) { pinMode(UTM_H, INPUT_PULLUP); };
if (UTM_I > 0) { pinMode(UTM_I, INPUT_PULLUP); };
if (UTM_J > 0) { pinMode(UTM_J, INPUT_PULLUP); };
if (UTM_K > 0) { pinMode(UTM_K, INPUT_PULLUP); };
if (UTM_L > 0) { pinMode(UTM_L, INPUT_PULLUP); };
pinMode(SERVO_0_PIN, OUTPUT);
pinMode(SERVO_1_PIN, OUTPUT);
pinMode(SERVO_2_PIN, OUTPUT);
pinMode(SERVO_3_PIN, OUTPUT);
#endif
#if defined(FARMDUINO_V14)
reportingPeriod = 500;
pinMode(READ_ENA_PIN, INPUT_PULLUP);
pinMode(NSS_PIN, OUTPUT);
digitalWrite(NSS_PIN, HIGH);
SPI.setBitOrder(MSBFIRST);
SPI.setDataMode(SPI_MODE0);
SPI.setClockDivider(SPI_CLOCK_DIV4);
SPI.begin();
#endif
#if defined(FARMDUINO_EXP_V20)
// Motor step, directio and pin is setup using the control chip library
// This board also does not use encoders
pinMode(X_ENABLE_PIN, OUTPUT);
pinMode(X_MIN_PIN, INPUT_PULLUP);
pinMode(X_MAX_PIN, INPUT_PULLUP);
pinMode(E_ENABLE_PIN, OUTPUT);
pinMode(Y_ENABLE_PIN, OUTPUT);
pinMode(Y_MIN_PIN, INPUT_PULLUP);
pinMode(Y_MAX_PIN, INPUT_PULLUP);
pinMode(Z_ENABLE_PIN, OUTPUT);
pinMode(Z_MIN_PIN, INPUT_PULLUP);
pinMode(Z_MAX_PIN, INPUT_PULLUP);
pinMode(AUX_STEP_PIN, OUTPUT);
pinMode(AUX_DIR_PIN, OUTPUT);
pinMode(AUX_ENABLE_PIN, OUTPUT);
pinMode(LED_PIN, OUTPUT);
pinMode(VACUUM_PIN, OUTPUT);
pinMode(WATER_PIN, OUTPUT);
pinMode(LIGHTING_PIN, OUTPUT);
pinMode(PERIPHERAL_4_PIN, OUTPUT);
pinMode(PERIPHERAL_5_PIN, OUTPUT);
pinMode(UTM_C, INPUT_PULLUP);
pinMode(UTM_D, INPUT_PULLUP);
if (UTM_E > 0) { pinMode(UTM_E, INPUT_PULLUP); };
if (UTM_F > 0) { pinMode(UTM_F, INPUT_PULLUP); };
if (UTM_G > 0) { pinMode(UTM_G, INPUT_PULLUP); };
if (UTM_H > 0) { pinMode(UTM_H, INPUT_PULLUP); };
if (UTM_I > 0) { pinMode(UTM_I, INPUT_PULLUP); };
if (UTM_J > 0) { pinMode(UTM_J, INPUT_PULLUP); };
if (UTM_K > 0) { pinMode(UTM_K, INPUT_PULLUP); };
if (UTM_L > 0) { pinMode(UTM_L, INPUT_PULLUP); };
pinMode(SERVO_0_PIN, OUTPUT);
pinMode(SERVO_1_PIN, OUTPUT);
pinMode(SERVO_2_PIN, OUTPUT);
pinMode(SERVO_3_PIN, OUTPUT);
#endif
digitalWrite(X_ENABLE_PIN, HIGH);
digitalWrite(E_ENABLE_PIN, HIGH);
digitalWrite(Y_ENABLE_PIN, HIGH);
digitalWrite(Z_ENABLE_PIN, HIGH);
Serial.begin(115200);
delay(100);
// Start the motor handling
//ServoControl::getInstance()->attach();
// Load motor settings
StepperControl::getInstance()->loadSettings();
// Dump all values to the serial interface
// ParameterList::getInstance()->readAllValues();
// Get the settings for the pin guard
PinGuard::getInstance()->loadConfig();
pinGuardLastCheck = millis();
// Start the interrupt used for moving
// Interrupt management code library written by Paul Stoffregen
// The default time 100 micro seconds
#if !defined(FARMDUINO_EXP_V20)
Timer1.attachInterrupt(interrupt);
Timer1.initialize(MOVEMENT_INTERRUPT_SPEED);
Timer1.start();
#endif
#if defined(FARMDUINO_EXP_V20)
TIMSK2 = (TIMSK2 & B11111110) | 0x01; // Enable timer overflow
TCCR2B = (TCCR2B & B11111000) | 0x01; // Set divider to 1
OCR2A = 4; // Set overflow to 4 for total of 64 <20>s
#endif
// Initialize the inactivity check
lastAction = millis();
pinGuardCurrentTime = millis();
pinGuardLastCheck = millis();
if
(
(ParameterList::getInstance()->getValue(PARAM_CONFIG_OK) == 1) &&
(ParameterList::getInstance()->getValue(MOVEMENT_HOME_AT_BOOT_Z) == 1)
)
{
Serial.print("R99 HOME Z ON STARTUP\r\n");
StepperControl::getInstance()->moveToCoords(0, 0, 0, 0, 0, 0, false, false, true);
}
if
(
(ParameterList::getInstance()->getValue(PARAM_CONFIG_OK) == 1) &&
(ParameterList::getInstance()->getValue(MOVEMENT_HOME_AT_BOOT_Y) == 1)
)
{
Serial.print("R99 HOME Y ON STARTUP\r\n");
StepperControl::getInstance()->moveToCoords(0, 0, 0, 0, 0, 0, false, true, false);
}
if
(
(ParameterList::getInstance()->getValue(PARAM_CONFIG_OK) == 1) &&
(ParameterList::getInstance()->getValue(MOVEMENT_HOME_AT_BOOT_X) == 1)
)
{
Serial.print("R99 HOME X ON STARTUP\r\n");
StepperControl::getInstance()->moveToCoords(0, 0, 0, 0, 0, 0, true, false, false);
}
#if defined(FARMDUINO_EXP_V20)
// initialise the motors
StepperControl::getInstance()->initTMC2130();
StepperControl::getInstance()->loadSettingsTMC2130();
#endif
Serial.print("R99 ARDUINO STARTUP COMPLETE\r\n");
//StepperControl::getInstance()->test2();
}
char commandChar[INCOMING_CMD_BUF_SIZE + 1];
/**/ //int cycleCountTest = 0;
// The loop function is called in an endless loop
void loop()
{
//Serial.print(millis());
//Serial.print("\r\n");
//delay(1000);
//StepperControl::getInstance()->test();
//delayMicroseconds(100);
//digitalWrite(LED_PIN, true);
//delay(250);
//digitalWrite(LED_PIN, false);
//delay(250);
if (debugInterrupt)
{
StepperControl::getInstance()->handleMovementInterrupt();
}
#if defined(FARMDUINO_V14)
// Check encoders out of interrupt for farmduino 1.4
StepperControl::getInstance()->checkEncoders();
#endif
pinGuardCurrentTime = millis();
if (pinGuardCurrentTime < pinGuardLastCheck)
{
pinGuardLastCheck = pinGuardCurrentTime;
}
else
{
if (pinGuardCurrentTime - pinGuardLastCheck >= 1000)
{
pinGuardLastCheck += 1000;
// check the pins for timeouts
PinGuard::getInstance()->checkPins();
}
}
if (Serial.available())
{
// Save current time stamp for timeout actions
lastAction = millis();
// Get the input and start processing on receiving 'new line'
incomingChar = Serial.read();
// Filter out emergency stop.
if (!(incomingChar == 69 || incomingChar == 101))
{
incomingCommandArray[incomingCommandPointer] = incomingChar;
incomingCommandPointer++;
}
else
{
CurrentState::getInstance()->setEmergencyStop();
}
// If the string is getting to long, cap it off with a new line and let it process anyway
if (incomingCommandPointer >= INCOMING_CMD_BUF_SIZE - 1)
{
incomingChar = '\n';
incomingCommandArray[incomingCommandPointer] = incomingChar;
incomingCommandPointer++;
}
if (incomingChar == '\n' || incomingCommandPointer >= INCOMING_CMD_BUF_SIZE)
{
//char commandChar[incomingCommandPointer + 1];
for (int i = 0; i < incomingCommandPointer - 1; i++)
{
commandChar[i] = incomingCommandArray[i];
}
commandChar[incomingCommandPointer-1] = '\0';
if (incomingCommandPointer > 1)
{
// Report back the received command
Serial.print(COMM_REPORT_CMD_ECHO);
Serial.print(" ");
Serial.print("*");
Serial.print(commandChar);
Serial.print("*");
Serial.print("\r\n");
// Create a command and let it execute
Command *command = new Command(commandChar);
// Log the values if needed for debugging
if (LOGGING || debugMessages)
{
command->print();
}
gCodeProcessor->execute(command);
free(command);
}
incomingCommandPointer = 0;
}
}
// In case of emergency stop, disable movement and
// shut down the pins used
if (previousEmergencyStop == false && CurrentState::getInstance()->isEmergencyStop())
{
StepperControl::getInstance()->disableMotorsEmergency();
PinControl::getInstance()->resetPinsUsed();
ServoControl::getInstance()->detachServos();
if (debugMessages)
{
Serial.print(COMM_REPORT_COMMENT);
Serial.print(" Going to safe state");
CurrentState::getInstance()->printQAndNewLine();
}
}
previousEmergencyStop = CurrentState::getInstance()->isEmergencyStop();
// Check if parameters are changed, and if so load the new settings
if (lastParamChangeNr != ParameterList::getInstance()->paramChangeNumber())
{
lastParamChangeNr = ParameterList::getInstance()->paramChangeNumber();
if (debugMessages)
{
Serial.print(COMM_REPORT_COMMENT);
Serial.print(" loading parameters");
CurrentState::getInstance()->printQAndNewLine();
}
StepperControl::getInstance()->loadSettings();
PinGuard::getInstance()->loadConfig();
}
// Do periodic checks and feedback
currentTime = millis();
if (currentTime < lastAction)
{
// If the device timer overruns, reset the idle counter
lastAction = millis();
}
else
{
if ((currentTime - lastAction) > reportingPeriod)
{
// After an idle time, send the idle message
if (CurrentState::getInstance()->isEmergencyStop())
{
Serial.print(COMM_REPORT_EMERGENCY_STOP);
CurrentState::getInstance()->printQAndNewLine();
if (debugMessages)
{
Serial.print(COMM_REPORT_COMMENT);
Serial.print(" Emergency stop engaged");
CurrentState::getInstance()->printQAndNewLine();
}
}
else
{
Serial.print(COMM_REPORT_CMD_IDLE);
CurrentState::getInstance()->printQAndNewLine();
}
StepperControl::getInstance()->storePosition();
CurrentState::getInstance()->printPosition();
StepperControl::getInstance()->reportEncoders();
CurrentState::getInstance()->storeEndStops();
CurrentState::getInstance()->printEndStops();
/**/ //cycleCountTest++;
/**/ //Serial.print("R99 TST Cycle count ");
/**/ //Serial.print(cycleCountTest);
/**/ //Serial.print(" ");
/**/ //CurrentState::getInstance()->printQAndNewLine();
if (debugMessages)
{
Serial.print(COMM_REPORT_COMMENT);
Serial.print(" MEM ");
Serial.print(freeMemory());
CurrentState::getInstance()->printQAndNewLine();
Serial.print(COMM_REPORT_COMMENT);
Serial.print(" IND DUR ");
Serial.print(interruptDuration);
Serial.print(" MAX ");
Serial.print(interruptDurationMax);
CurrentState::getInstance()->printQAndNewLine();
StepperControl::getInstance()->test();
}
if (ParameterList::getInstance()->getValue(PARAM_CONFIG_OK) != 1)
{
Serial.print(COMM_REPORT_NO_CONFIG);
CurrentState::getInstance()->printQAndNewLine();
}
cycleCounter++;
lastAction = millis();
}
}
}