A number of teensy-related fine-adjustments. Mostly comments.
This commit is contained in:
Markus Hitter
parent
8e8a3da7fb
commit
4510a02d7e
|
|
@ -125,6 +125,7 @@ pins
|
|||
#define DIO10_PIN PINC7
|
||||
#define DIO10_RPORT PINC
|
||||
#define DIO10_WPORT PORTC
|
||||
// pin 10/c7 is on a 8/10 bit timer 4 and share the register with inverses
|
||||
#define DIO10_PWM &OCR4A
|
||||
#define DIO10_DDR DDRC
|
||||
|
||||
|
|
|
|||
124
config.teensy.h
124
config.teensy.h
|
|
@ -2,7 +2,7 @@
|
|||
/* attempt by drf@vims.edu 2012-01-09 to fit TeaCup into a $16 teensy from htpp://www.pjrc.com/teensy/ */
|
||||
|
||||
/** \file
|
||||
\brief Teensy configuration.
|
||||
\brief Teensy 2.0 configuration.
|
||||
*/
|
||||
|
||||
/*
|
||||
|
|
@ -73,43 +73,16 @@ MXL 2.032 mm/tooth, 29
|
|||
Z 200*2 / 1 / 1 * 1000 = 400000 # half-step for noise
|
||||
Extrude through a Wades' 10:43 with a M8 hobbed bolt:
|
||||
steps/revM * revM/revO / (dia * circ/rev) * mm/m
|
||||
E 200*1*16 *43/10 / (8 * 3.14159) * 1000 = 547493.5
|
||||
E 200*1*4 * 43/10 / (8 * 3.14159) * 1000 = 136873.4
|
||||
mm/m / (mm/rev ext) (rev mot/rev ext) step/revmot
|
||||
E 1000 / (8 * 3.14159) * 43/10 * 200 * 16 = 547494
|
||||
|
||||
w/o microstepping
|
||||
|
||||
X,Y: 3393
|
||||
Z: 200000
|
||||
E: 34218
|
||||
|
||||
Steps/sec at max feeds:
|
||||
c(9900,9900,1400,1900)/60*c(13576,13576,400000,547494)/1000 == 2240.040 2240.040 9333.333 17337.310
|
||||
|
||||
Resolution in mm per step:
|
||||
1/c(13576,13576,400000,547494)*1000 == 0.073659399 0.073659399 0.002500000 0.001826504
|
||||
|
||||
E 1000 / (8 * 3.14159) * 43/10 * 200 * 4 = 136873.4
|
||||
*/
|
||||
#define MICROSTEPPING 1
|
||||
|
||||
#ifdef MICROSTEPPING
|
||||
#define STEPS_PER_M_X 13576
|
||||
#define STEPS_PER_M_Y 13576
|
||||
#define STEPS_PER_M_Z 400000
|
||||
|
||||
/// http://blog.arcol.hu/?p=157 may help with this one
|
||||
#define STEPS_PER_M_E 547494
|
||||
|
||||
#else
|
||||
#define STEPS_PER_M_X 3393
|
||||
#define STEPS_PER_M_Y 3393
|
||||
#define STEPS_PER_M_Z 200000
|
||||
|
||||
/// http://blog.arcol.hu/?p=157 may help with this one
|
||||
#define STEPS_PER_M_E 34218
|
||||
|
||||
#endif
|
||||
|
||||
#define STEPS_PER_M_E 160423
|
||||
|
||||
/*
|
||||
Values depending on the capabilities of your stepper motors and other mechanics.
|
||||
|
|
@ -118,23 +91,11 @@ Resolution in mm per step:
|
|||
Units are mm/min
|
||||
*/
|
||||
|
||||
/* R code for calculating mac feed rates:
|
||||
|
||||
stepsPerSec <- 16e6 / 1028 /2
|
||||
distsPerM <- c(13576,13576,400000,547494)
|
||||
maxFeedPerMin <- stepsPerSec / distsPerM * 1000 *60
|
||||
*/
|
||||
|
||||
// 16MHz / 1028 cyc/step = 15570 step/sec
|
||||
// 1666 / 547.494 step/mmE *60 = 182 mm/min E
|
||||
// 1666 /c(13576,13576,400000,547494)*1000*60
|
||||
// my build at 4x X,Y, 2xZ 16xE 2012-02-26
|
||||
|
||||
/// used for G0 rapid moves and as a cap for all other feedrates
|
||||
#define MAXIMUM_FEEDRATE_X 6881
|
||||
#define MAXIMUM_FEEDRATE_Y 6881
|
||||
#define MAXIMUM_FEEDRATE_Z 233
|
||||
#define MAXIMUM_FEEDRATE_E 170
|
||||
#define MAXIMUM_FEEDRATE_E 680
|
||||
|
||||
/// used when searching endstops and as default feedrate
|
||||
#define SEARCH_FEEDRATE_X 50
|
||||
|
|
@ -231,28 +192,33 @@ maxFeedPerMin <- stepsPerSec / distsPerM * 1000 *60
|
|||
|
||||
Teensy http://www.pjrc.com/teensy ATMega64U4 carrier:
|
||||
|
||||
New plan:
|
||||
DaveX plan for Wallace:
|
||||
USB
|
||||
GND |-----#####-----| +5V
|
||||
X0end 0 |b0 ##### F0| 21 A0 Extruder TC
|
||||
Y0end 1 |b1 f1| 20 A1 Bed TC
|
||||
Z0end 2 |b2 /=e6 f4| 19 A2 Stepper -ENable
|
||||
Z_ENABLE 3 |b3 * * f5| 18 A3 STEP X
|
||||
Bed Heat PWM 4 |b7 aref=/ f6| 17 A4 DIR X
|
||||
Extruder Heat PWM 5 |d0 f7| 16 A5 STEP Y
|
||||
GND GND |-----#####-----| +5V ATX +5SB
|
||||
ATX PS_ON 0 |b0 ##### F0| 21 A0 Extruder TC
|
||||
X_MIN 1 |b1 f1| 20 A1 Bed TC
|
||||
Y_MIN 2 |b2 /=e6 f4| 19 A2 Stepper -ENABLE (or -SLEEP)
|
||||
Z_MIN 3 |b3 * * f5| 18 A3 STEP X
|
||||
PWM 4 |b7 aref=/ f6| 17 A4 DIR X
|
||||
PWM 5 |d0 f7| 16 A5 STEP Y
|
||||
6 |d1 b6| 15 A6 PWM DIR Y
|
||||
7 |d2 V G R b5| 14 A7 PWM STEP Z
|
||||
8 |d3 d c n S d b4| 13 A8 DIR Z
|
||||
PWM 9 |d6 5 c d T 4 d7| 12 A9 PWM STEP E
|
||||
PWM 10 |d7 * * * * * d6| 11 A10 (led) DIR E
|
||||
7 |d2 V G R b5| 14 A7 STEP Z
|
||||
Fan 8 |d3 d c n S d b4| 13 A8 DIR Z
|
||||
Bed Heat PWM 9 |d6 5 c d T 4 d7| 12 A9 PWM STEP E
|
||||
Extruder Heat PWM 10 |d7 * * * * * d6| 11 A10 (led) DIR E
|
||||
--------------------
|
||||
23 ^ \ \22 A11
|
||||
\- RST
|
||||
23 ^ \ \----22 A11
|
||||
\------ RST
|
||||
|
||||
Interior E6: 22 A11
|
||||
Interior E6: 24, AIN0, INT6
|
||||
Interior Aref : Aref
|
||||
End d5 : 23
|
||||
End d4 : 22
|
||||
End d4 : 22, A1
|
||||
|
||||
PWM might be possible on pins PB5/DIO14/AIO7 and PD6/DIO11/AIO10 pins but they
|
||||
are complementary to the PWMs on the successive pins, if you reserve
|
||||
timer/counter1 for Teacup. Avoid trying to use these two inverse PWMs, and try
|
||||
to use the other 6 PWMs instead.
|
||||
*/
|
||||
|
||||
#include "arduino.h"
|
||||
|
|
@ -276,11 +242,11 @@ New plan:
|
|||
|
||||
//#define PS_ON_PIN DIO0
|
||||
#define STEPPER_ENABLE_PIN DIO19
|
||||
//#define STEPPER_INVERT_ENABLE
|
||||
#define STEPPER_INVERT_ENABLE
|
||||
|
||||
#define X_STEP_PIN DIO18
|
||||
#define X_DIR_PIN DIO17
|
||||
#define X_MIN_PIN DIO0
|
||||
#define X_MIN_PIN DIO1
|
||||
//#define X_MAX_PIN xxxx
|
||||
//#define X_ENABLE_PIN xxxx
|
||||
//#define X_INVERT_DIR
|
||||
|
|
@ -290,7 +256,7 @@ New plan:
|
|||
|
||||
#define Y_STEP_PIN DIO16
|
||||
#define Y_DIR_PIN DIO15
|
||||
#define Y_MIN_PIN DIO1
|
||||
#define Y_MIN_PIN DIO3
|
||||
//#define Y_MAX_PIN xxxx
|
||||
//#define Y_ENABLE_PIN xxxx
|
||||
//#define Y_INVERT_DIR
|
||||
|
|
@ -409,9 +375,6 @@ DEFINE_TEMP_SENSOR(bed, TT_THERMISTOR, AIO1, THERMISTOR_EXTRUDER)
|
|||
* *
|
||||
* Define your heaters here. *
|
||||
* *
|
||||
* Currently, heaters work on PWM-able pins, only. See the end of this file *
|
||||
* for PWM-able pin mappings. *
|
||||
* *
|
||||
* 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 *
|
||||
|
|
@ -424,16 +387,23 @@ DEFINE_TEMP_SENSOR(bed, TT_THERMISTOR, AIO1, THERMISTOR_EXTRUDER)
|
|||
* temperature sensor of TT_NONE, then you can control the spindle's rpm *
|
||||
* via temperature commands. M104 S1..255 for spindle on, M104 S0 for off. *
|
||||
* *
|
||||
* 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
|
||||
DEFINE_HEATER(extruder, DIO6)
|
||||
DEFINE_HEATER(bed, DIO4)
|
||||
// DEFINE_HEATER(fan, PINB4)
|
||||
// name port pwm
|
||||
DEFINE_HEATER(extruder, DIO10, 1)
|
||||
DEFINE_HEATER(bed, DIO9, 1)
|
||||
DEFINE_HEATER(fan, DIO8, 0)
|
||||
// DEFINE_HEATER(chamber, PIND7)
|
||||
// DEFINE_HEATER(motor, PIND6)
|
||||
|
||||
|
|
@ -445,7 +415,7 @@ DEFINE_HEATER(bed, DIO4)
|
|||
|
||||
#define HEATER_EXTRUDER HEATER_extruder
|
||||
#define HEATER_BED HEATER_bed
|
||||
// #define HEATER_FAN HEATER_fan
|
||||
#define HEATER_FAN HEATER_fan
|
||||
// #define HEATER_CHAMBER HEATER_chamber
|
||||
// #define HEATER_MOTOR HEATER_motor
|
||||
|
||||
|
|
@ -501,17 +471,17 @@ BANG_BANG
|
|||
drops PID loop from heater control, reduces code size significantly (1300 bytes!)
|
||||
may allow DEBUG on '168
|
||||
*/
|
||||
// #define BANG_BANG
|
||||
#define BANG_BANG
|
||||
/** \def BANG_BANG_ON
|
||||
BANG_BANG_ON
|
||||
PWM value for 'on'
|
||||
*/
|
||||
// #define BANG_BANG_ON 200
|
||||
#define BANG_BANG_ON 200
|
||||
/** \def BANG_BANG_OFF
|
||||
BANG_BANG_OFF
|
||||
PWM value for 'off'
|
||||
*/
|
||||
// #define BANG_BANG_OFF 45
|
||||
#define BANG_BANG_OFF 45
|
||||
|
||||
/**
|
||||
move buffer size, in number of moves
|
||||
|
|
@ -614,13 +584,15 @@ PWM value for 'off'
|
|||
* OCR5BL - PL4 - DIO45 *
|
||||
* OCR5CL - PL5 - DIO44 *
|
||||
* *
|
||||
* For the Teensy atmega32U, timer pin/mappings are as follows *
|
||||
* For the atmega32U, timer pin/mappings are as follows *
|
||||
* *
|
||||
* Timer 1 is used for stepping, so OC1A and OC1B aren't good PWMs *
|
||||
* OCR0A - PB7 - DIO4 *
|
||||
* OCR0B - PD0 - DIO5 *
|
||||
* OCR3A - PC6 - DIO9 *
|
||||
* OCR4A - PC7 - DIO10 *
|
||||
*~OCRAD - PD6 - DIO11 - AIO10 *** inverse of OCR4D (avoid it) *** *
|
||||
* OCR4D - PD7 - DIO12 - AIO9 *
|
||||
*~OCRAB - PB5 - DIO14 - AIO7 *** inverse of OCR4B (avoid it) *** *
|
||||
* OCR4B - PB6 - DIO15 - AIO6 *
|
||||
* *
|
||||
\***************************************************************************/
|
||||
|
|
|
|||
4
heater.c
4
heater.c
|
|
@ -134,7 +134,7 @@ void heater_init() {
|
|||
|
||||
#ifdef TCCR4A
|
||||
#ifdef TIMER4_IS_10_BIT
|
||||
// ATmega16/32U4 fourth timer is a 10 special bit timer
|
||||
// ATmega16/32U4 fourth timer is a special 10 bit timer
|
||||
TCCR4A = MASK(PWM4A) | MASK(PWM4B) ; // enable A and B
|
||||
TCCR4C = MASK(PWM4D); // and D
|
||||
TCCR4D = MASK(WGM40); // Phase correct
|
||||
|
|
@ -352,7 +352,7 @@ void heater_tick(heater_t h, temp_type_t type, uint16_t current_temp, uint16_t t
|
|||
#else
|
||||
if (current_temp >= target_temp)
|
||||
pid_output = BANG_BANG_OFF;
|
||||
else
|
||||
else //BANG_BANG
|
||||
pid_output = BANG_BANG_ON;
|
||||
#endif
|
||||
|
||||
|
|
|
|||
Loading…
Reference in New Issue