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config.sanguish.h
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/* Notice to developers: this file is intentionally included twice. */
/** \file
\brief Sample Configuration
\note this sample uses AIO0 for both X_STEP and thermistor, and is intended to be an example only!
*/
/*
CONTENTS
1. Mechanical/Hardware
2. Acceleration settings
3. Pinouts
4. Temperature sensors
5. Heaters
6. Communication options
7. Miscellaneous
8. Appendix A - PWMable pins and mappings
*/
/***************************************************************************\
* *
* 1. MECHANICAL/HARDWARE *
* *
\***************************************************************************/
/*
Set your microcontroller type in Makefile! atmega168/atmega328p/atmega644p/atmega1280
If you want to port this to a new chip, start off with arduino.h and see how you go.
*/
#ifndef __AVR_ATmega644__
#ifndef __AVR_ATmega644P__
#ifndef __AVR_ATmega1284P__
#error Sanguish has an ATmega 644, 644P or 1284P. Set your CPU type in the \
Makefile or select your board in the Arduino IDE!
#endif
#endif
#endif
/** \def F_CPU
CPU clock rate
*/
#ifndef F_CPU
#define F_CPU 16000000UL
#endif
/** \def MOTHERBOARD
This is the motherboard, as opposed to the extruder. See extruder/ directory for GEN3 extruder firmware
*/
#define MOTHERBOARD
/** \def STEPS_PER_M
steps per meter ( = steps per mm * 1000 )
calculate these values appropriate for your machine
for threaded rods, this is
(steps motor per turn) / (pitch of the thread) * 1000
for belts, this is
(steps per motor turn) / (number of gear teeth) / (belt module) * 1000
half-stepping doubles the number, quarter stepping requires * 4, etc.
valid range = 20 to 4'0960'000 (0.02 to 40960 steps/mm)
all numbers are integers, so no decimal point, please :-)
*/
#define STEPS_PER_M_X 320000
#define STEPS_PER_M_Y 320000
#define STEPS_PER_M_Z 320000
/// http://blog.arcol.hu/?p=157 may help with this one
#define STEPS_PER_M_E 320000
/*
Values depending on the capabilities of your stepper motors and other mechanics.
All numbers are integers, no decimals allowed.
Units are mm/min
*/
/// used for G0 rapid moves and as a cap for all other feedrates
#define MAXIMUM_FEEDRATE_X 200
#define MAXIMUM_FEEDRATE_Y 200
#define MAXIMUM_FEEDRATE_Z 100
#define MAXIMUM_FEEDRATE_E 200
/// used when searching endstops and as default feedrate
#define SEARCH_FEEDRATE_X 50
#define SEARCH_FEEDRATE_Y 50
#define SEARCH_FEEDRATE_Z 50
// no SEARCH_FEEDRATE_E, as E can't be searched
/** \def SLOW_HOMING
wether to search the home point slowly
With some endstop configurations, like when probing for the surface of a PCB, you can't deal with overrunning the endstop. In such a case, uncomment this definition.
*/
// #define SLOW_HOMING
/// this is how many steps to suck back the filament by when we stop. set to zero to disable
#define E_STARTSTOP_STEPS 20
/**
Soft axis limits, in mm.
Define them to your machine's size relative to what your host considers to be the origin.
*/
//#define X_MIN 0.0
//#define X_MAX 200.0
//#define Y_MIN 0.0
//#define Y_MAX 200.0
//#define Z_MIN 0.0
//#define Z_MAX 140.0
/** \def E_ABSOLUTE
Some G-Code creators produce relative length commands for the extruder, others absolute ones. G-Code using absolute lengths can be recognized when there are G92 E0 commands from time to time. If you have G92 E0 in your G-Code, define this flag.
This is the startup default and can be changed with M82/M83 while running.
*/
// #define E_ABSOLUTE
/***************************************************************************\
* *
* 2. ACCELERATION *
* *
* Choose optionally one of ACCELERATION_REPRAP, ACCELERATION_RAMPING or *
* ACCELERATION_TEMPORAL. With none of them defined, movements are done *
* without acceleration. Recommended is ACCELERATION_RAMPING. *
* *
* LOOKAHEAD is experimental for now and works in conjunction with *
* ACCELERATION_RAMPING, only. That's why it's off by default. *
* *
* Also don't forget to adjust ACCELERATION to the capabilities of your *
* printer. The default is very moderate to be on the safe side. *
* *
\***************************************************************************/
/** \def ACCELERATION_REPRAP
acceleration, reprap style.
Each movement starts at the speed of the previous command and accelerates or decelerates linearly to reach target speed at the end of the movement.
*/
// #define ACCELERATION_REPRAP
/** \def ACCELERATION_RAMPING
acceleration and deceleration ramping.
Each movement starts at (almost) no speed, linearly accelerates to target speed and decelerates just in time to smoothly stop at the target. alternative to ACCELERATION_REPRAP
*/
#define ACCELERATION_RAMPING
/** \def ACCELERATION
how fast to accelerate when using ACCELERATION_RAMPING.
given in mm/s^2, decimal allowed, useful range 1. to 10'000. Start with 10. for milling (high precision) or 1000. for printing
*/
#define ACCELERATION 1000.
/** \def ACCELERATION_TEMPORAL
temporal step algorithm
This algorithm causes the timer to fire when any axis needs to step, instead of synchronising to the axis with the most steps ala bresenham.
This algorithm is not a type of acceleration, and I haven't worked out how to integrate acceleration with it.
However it does control step timing, so acceleration algorithms seemed appropriate
The Bresenham algorithm is great for drawing lines, but not so good for steppers - In the case where X steps 3 times to Y's two, Y experiences massive jitter as it steps in sync with X every 2 out of 3 X steps. This is a worst-case, but the problem exists for most non-45/90 degree moves. At higher speeds, the jitter /will/ cause position loss and unnecessary vibration.
This algorithm instead calculates when a step occurs on any axis, and sets the timer to that value.
// TODO: figure out how to add acceleration to this algorithm
*/
// #define ACCELERATION_TEMPORAL
/** \def LOOKAHEAD
Define this to enable look-ahead during *ramping* acceleration to smoothly
transition between moves instead of performing a dead stop every move.
Enabling look-ahead requires about 3600 bytes of flash memory.
*/
// #define LOOKAHEAD
/** \def MAX_JERK_X
\def MAX_JERK_Y
\def MAX_JERK_Z
\def MAX_JERK_E
When performing look-ahead, we need to decide what an acceptable jerk to the
mechanics is. Look-ahead attempts to instantly change direction at movement
crossings, which means instant changes in the speed of the axes participating
in the movement. Define here how big the speed bumps on each of the axes is
allowed to be.
If you want a full stop before and after moving a specific axis, define
MAX_JERK of this axis to 0. This is often wanted for the Z axis. If you want
to ignore jerk on an axis, define it to twice the maximum feedrate of this
axis.
Having these values too low results in more than neccessary slowdown at
movement crossings, but is otherwise harmless. Too high values can result
in stepper motors suddenly stalling. If angles between movements in your
G-code are small and your printer runs through entire curves full speed,
there's no point in raising the values.
Units: mm/min
Sane values: 0 to 400
Valid range: 0 to 65535
*/
#define MAX_JERK_X 20
#define MAX_JERK_Y 20
#define MAX_JERK_Z 0
#define MAX_JERK_E 20
/***************************************************************************\
* *
* 3. PINOUTS *
* *
\***************************************************************************/
/*
Machine Pin Definitions
- make sure to avoid duplicate usage of a pin
- comment out pins not in use, as this drops the corresponding code and makes operations faster
*/
#include "arduino.h"
/** \def USE_INTERNAL_PULLUPS
internal pullup resistors
the ATmega has internal pullup resistors on it's input pins which are counterproductive with the commonly used eletronic endstops, so they should be switched off. For other endstops, like mechanical ones, you may want to uncomment this.
*/
//#define USE_INTERNAL_PULLUPS
/*
user defined pins
adjust to suit your electronics,
or adjust your electronics to suit this
*/
#define X_STEP_PIN DIO28
#define X_DIR_PIN DIO27
#define X_MIN_PIN DIO2
//#define X_MAX_PIN xxxx
#define X_ENABLE_PIN DIO29
#define X_INVERT_DIR
//#define X_INVERT_MIN
//#define X_INVERT_MAX
//#define X_INVERT_ENABLE
#define Y_STEP_PIN DIO25
#define Y_DIR_PIN DIO24
#define Y_MIN_PIN DIO5
//#define Y_MAX_PIN xxxx
#define Y_ENABLE_PIN DIO26
#define Y_INVERT_DIR
//#define Y_INVERT_MIN
//#define Y_INVERT_MAX
//#define Y_INVERT_ENABLE
#define Z_STEP_PIN DIO22
#define Z_DIR_PIN DIO21
#define Z_MIN_PIN DIO1
//#define Z_MAX_PIN xxxx
#define Z_ENABLE_PIN DIO23
#define Z_INVERT_DIR
//#define Z_INVERT_MIN
//#define Z_INVERT_MAX
//#define Z_INVERT_ENABLE
#define E_STEP_PIN DIO19
#define E_DIR_PIN DIO18
#define E_ENABLE_PIN DIO20
#define E_INVERT_DIR
//#define E_INVERT_ENABLE
#define PS_ON_PIN DIO0
#define PS_MOSFET_PIN DIO25
//#define STEPPER_ENABLE_PIN DIO25
//#define STEPPER_INVERT_ENABLE
/***************************************************************************\
* *
* 4. TEMPERATURE SENSORS *
* *
\***************************************************************************/
/**
TEMP_HYSTERESIS: actual temperature must be target +/- hysteresis before target temperature can be achieved.
Unit is degree Celsius.
*/
#define TEMP_HYSTERESIS 20
/**
TEMP_RESIDENCY_TIME: actual temperature must be close to target (within
set temperature +- TEMP_HYSTERESIS) for this long before target is achieved
(and a M116 succeeds). Unit is seconds.
*/
#define TEMP_RESIDENCY_TIME 60
/**
TEMP_EWMA: Smooth noisy temperature sensors. Good hardware shouldn't be
noisy. Set to 1.0 for unfiltered data (and a 140 bytes smaller binary).
Instrument Engineer's Handbook, 4th ed, Vol 2 p126 says values of
0.05 to 0.1 are typical. Smaller is smoother but slower adjusting, larger is
quicker but rougher. If you need to use this, set the PID parameter to zero
(M132 S0) to make the PID loop insensitive to noise.
Valid range: 0.001 to 1.0
*/
#define TEMP_EWMA 1.0
/// which temperature sensors are you using? List every type of sensor you use here once, to enable the appropriate code. Intercom is the gen3-style separate extruder board.
// #define TEMP_MAX6675
#define TEMP_THERMISTOR
// #define TEMP_AD595
// #define TEMP_PT100
// #define TEMP_INTERCOM
/***************************************************************************\
* *
* Define your temperature sensors here. One line for each sensor, only *
* limited by the number of available ATmega pins. *
* *
* Types are same as TEMP_ list above - TT_MAX6675, TT_THERMISTOR, TT_AD595, *
* TT_PT100, TT_INTERCOM. See list in temp.c. *
* *
* The "additional" field is used for TT_THERMISTOR only. It defines the *
* name of the table(s) in ThermistorTable.h to use. Typically, this is *
* THERMISTOR_EXTRUDER for the first or only table, or THERMISTOR_BED for *
* the second table. See also early in ThermistorTable.{single|double}.h. *
* *
* For a GEN3 set temp_type to TT_INTERCOM and temp_pin to AIO0. The pin *
* won't be used in this case. *
* *
\***************************************************************************/
#ifndef DEFINE_TEMP_SENSOR
#define DEFINE_TEMP_SENSOR(...)
#endif
// name type pin additional
DEFINE_TEMP_SENSOR(extruder, TT_THERMISTOR, AIO1, THERMISTOR_EXTRUDER)
DEFINE_TEMP_SENSOR(bed, TT_THERMISTOR, AIO0, THERMISTOR_BED)
/***************************************************************************\
* *
* 5. HEATERS *
* *
\***************************************************************************/
/** \def HEATER_SANITY_CHECK
check if heater responds to changes in target temperature, disable and spit errors if not
largely untested, please comment in forum if this works, or doesn't work for you!
*/
// #define HEATER_SANITY_CHECK
/***************************************************************************\
* *
* Define your heaters and devices here. *
* *
* To attach a heater to a temp sensor above, simply use exactly the same *
* name - copy+paste is your friend. Some common names are 'extruder', *
* 'bed', 'fan', 'motor', ... names with special meaning can be found *
* in gcode_process.c. Currently, these are: *
* HEATER_extruder (M104) *
* HEATER_bed (M140) *
* HEATER_fan (M106) *
* *
* Devices don't neccessarily have a temperature sensor, e.g. fans or *
* milling spindles. Operate such devices by setting their power (M106), *
* instead of setting their temperature (M104). *
* *
* Also note, the index of a heater (M106 P#) can differ from the index of *
* its attached temperature sensor (M104 P#) in case sensor-less devices *
* are defined or the order of the definitions differs. The first defined *
* device has the index 0 (zero). *
* *
* Set 'pwm' to ... *
* 1 for using PWM on a PWM-able pin and on/off on other pins. *
* 0 for using on/off on a PWM-able pin, too. *
* Using PWM usually gives smoother temperature control but can conflict *
* with slow switches, like solid state relays. PWM frequency can be *
* influenced globally with FAST_PWM, see below. *
* *
\***************************************************************************/
#ifndef DEFINE_HEATER
#define DEFINE_HEATER(...)
#endif
// name port pwm
DEFINE_HEATER(extruder, DIO3, 1)
DEFINE_HEATER(bed, DIO4, 1)
/// and now because the c preprocessor isn't as smart as it could be,
/// uncomment the ones you've listed above and comment the rest.
/// NOTE: these are used to enable various capability-specific chunks of code, you do NOT need to create new entries unless you are adding new capabilities elsewhere in the code!
/// so if you list a bed above, uncomment HEATER_BED, but if you list a chamber you do NOT need to create HEATED_CHAMBER
/// I have searched high and low for a way to make the preprocessor do this for us, but so far I have not found a way.
#define HEATER_EXTRUDER HEATER_extruder
#define HEATER_BED HEATER_bed
/***************************************************************************\
* *
* 6. COMMUNICATION OPTIONS *
* *
\***************************************************************************/
/** \def BAUD
Baud rate for the serial RS232 protocol connection to the host. Usually
115200, other common values are 19200, 38400 or 57600. Ignored when USB_SERIAL
is defined.
*/
#define BAUD 115200
/** \def USB_SERIAL
Define this for using USB instead of the serial RS232 protocol. Works on
USB-equipped ATmegas, like the ATmega32U4, only.
*/
// #define USB_SERIAL
/** \def XONXOFF
Xon/Xoff flow control.
Redundant when using RepRap Host for sending GCode, but mandatory when sending GCode files with a plain terminal emulator, like GtkTerm (Linux), CoolTerm (Mac) or HyperTerminal (Windows).
Can also be set in Makefile
*/
// #define XONXOFF
/***************************************************************************\
* *
* 7. MISCELLANEOUS OPTIONS *
* *
\***************************************************************************/
/** \def EECONFIG
EECONFIG: Enable EEPROM configuration storage.
Enabled by default. Commenting this out makes the binary several hundred
bytes smaller, so you might want to disable EEPROM storage on small MCUs,
like the ATmega168.
*/
#define EECONFIG
/** \def DEBUG
DEBUG
enables /heaps/ of extra output, and some extra M-codes.
WARNING: this WILL break most host-side talkers that expect particular responses from firmware such as reprap host and replicatorG
use with serial terminal or other suitable talker only.
*/
// #define DEBUG
/** \def BANG_BANG
BANG_BANG
drops PID loop from heater control, reduces code size significantly (1300 bytes!)
may allow DEBUG on '168
*/
// #define BANG_BANG
/** \def BANG_BANG_ON
BANG_BANG_ON
PWM value for 'on'
*/
// #define BANG_BANG_ON 200
/** \def BANG_BANG_OFF
BANG_BANG_OFF
PWM value for 'off'
*/
// #define BANG_BANG_OFF 45
/**
move buffer size, in number of moves
note that each move takes a fair chunk of ram (69 bytes as of this writing) so don't make the buffer too big - a bigger serial readbuffer may help more than increasing this unless your gcodes are more than 70 characters long on average.
however, a larger movebuffer will probably help with lots of short consecutive moves, as each move takes a bunch of math (hence time) to set up so a longer buffer allows more of the math to be done during preceding longer moves
*/
#define MOVEBUFFER_SIZE 8
/** \def DC_EXTRUDER
DC extruder
If you have a DC motor extruder, configure it as a "heater" above and define this value as the index or name. You probably also want to comment out E_STEP_PIN and E_DIR_PIN in the Pinouts section above.
*/
// #define DC_EXTRUDER HEATER_motor
// #define DC_EXTRUDER_PWM 180
/** \def USE_WATCHDOG
Teacup implements a watchdog, which has to be reset every 250ms or it will reboot the controller. As rebooting (and letting the GCode sending application trying to continue the build with a then different Home point) is probably even worse than just hanging, and there is no better restore code in place, this is disabled for now.
*/
// #define USE_WATCHDOG
/**
analog subsystem stuff
REFERENCE - which analog reference to use. see analog.h for choices
*/
#define REFERENCE REFERENCE_AVCC
/** \def STEP_INTERRUPT_INTERRUPTIBLE
this option makes the step interrupt interruptible (nested).
this should help immensely with dropped serial characters, but may also make debugging infuriating due to the complexities arising from nested interrupts
\note disable this option if you're using a '168 or for some reason your ram usage is above 90%. This option hugely increases likelihood of stack smashing.
*/
#define STEP_INTERRUPT_INTERRUPTIBLE 1
/**
temperature history count. This is how many temperature readings to keep in order to calculate derivative in PID loop
higher values make PID derivative term more stable at the expense of reaction time
*/
#define TH_COUNT 8
/** \def FAST_PWM
Teacup offers two PWM frequencies, 76(61) Hz and 78000(62500) Hz on a
20(16) MHz electronics. The slower one is the default, as it's the safer
choice. Drawback is, in a quiet environment you might notice the heaters
and your power supply humming.
Uncomment this option if you want to get rid of this humming or want
faster PWM for other reasons.
See also: http://reprap.org/wiki/Gen7_Research#MOSFET_heat_and_PWM
*/
// #define FAST_PWM
/// this is the scaling of internally stored PID values. 1024L is a good value
#define PID_SCALE 1024L
/** \def ENDSTOP_STEPS
number of steps to run into the endstops intentionally
As Endstops trigger false alarm sometimes, Teacup debounces them by counting a number of consecutive positives. Valid range is 1...255. Use 4 or less for reliable endstops, 8 or even more for flaky ones.
*/
#define ENDSTOP_STEPS 4
/***************************************************************************\
* *
* 8. APPENDIX A - PWMABLE PINS AND MAPPINGS *
* *
* *
* list of PWM-able pins and corresponding timers *
* timer1 is used for step timing so don't use OC1A/OC1B *
* they are omitted from this listing for that reason *
* *
* For the atmega168/328, timer/pin mappings are as follows *
* *
* OCR0A - PD6 - DIO6 *
* OCR0B - PD5 - DIO5 *
* OCR2A - PB3 - DIO11 *
* OCR2B - PD3 - DIO3 *
* *
* For the atmega644, timer/pin mappings are as follows *
* *
* OCR0A - PB3 - DIO3 *
* OCR0B - PB4 - DIO4 *
* OCR2A - PD7 - DIO15 *
* OCR2B - PD6 - DIO14 *
* *
* For the atmega1280, timer/pin mappings are as follows *
* *
* OCR0A - PB7 - DIO13 *
* OCR0B - PG5 - DIO4 *
* OCR2A - PB4 - DIO10 *
* OCR2B - PH6 - DIO9 *
* OCR3AL - PE3 - DIO5 *
* OCR3BL - PE4 - DIO2 *
* OCR3CL - PE5 - DIO3 *
* OCR4AL - PH3 - DIO6 *
* OCR4BL - PH4 - DIO7 *
* OCR4CL - PH5 - DIO8 *
* OCR5AL - PL3 - DIO46 *
* OCR5BL - PL4 - DIO45 *
* OCR5CL - PL5 - DIO44 *
* *
\***************************************************************************/