0x90/Marlin
12
0
Fork 0
Code Issues Pull requests Packages Projects Releases Wiki Activity

Added support for the Rambo reprap electronics board. Added Mcodes to set

Browse source 
motor current and microstepping pins.
This commit is contained in:
tonokip 2012-08-30 00:16:57 -07:00
parent 0e58ef6805
commit 1c1fddc7ac
6 changed files with 261 additions and 3 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

3
Marlin/Configuration.h
View file

@ -30,9 +30,10 @@
// Ultimaker = 7
// Teensylu = 8
// Gen3+ =9
// Rambo = 301
#ifndef MOTHERBOARD
#define MOTHERBOARD 7
#define MOTHERBOARD 301
#endif

14
Marlin/Configuration_adv.h
View file

@ -128,6 +128,20 @@
// if unwanted behavior is observed on a user's machine when running at very slow speeds.
#define MINIMUM_PLANNER_SPEED 0.05// (mm/sec)
// MS1 MS2 Stepper Driver Microstepping mode table
#define MICROSTEP1 LOW,LOW
#define MICROSTEP2 HIGH,LOW
#define MICROSTEP4 LOW,HIGH
#define MICROSTEP8 HIGH,HIGH
#define MICROSTEP16 HIGH,HIGH
// Microstep setting (Only functional when stepper driver microstep pins are connected to MCU.
#define MICROSTEP_MODES {16,16,16,16,16} // [1,2,4,8,16]
// Motor Current setting (Only functional when motor driver current ref pins are connected to a digital trimpot on supported boards)
#define DIGIPOT_MOTOR_CURRENT {135,135,135,135,135} // Values 0-255 (RAMBO 135 = ~0.75A, 185 = ~1A)
//===========================================================================
//=============================Additional Features===========================
//===========================================================================

54
Marlin/Marlin.pde
View file

@ -26,7 +26,7 @@
It has preliminary support for Matthew Roberts advance algorithm
http://reprap.org/pipermail/reprap-dev/2011-May/003323.html
*/
#include <SPI.h>
#include "Marlin.h"
#include "ultralcd.h"
@ -120,6 +120,10 @@
// M501 - reads parameters from EEPROM (if you need reset them after you changed them temporarily).
// M502 - reverts to the default "factory settings". You still need to store them in EEPROM afterwards if you want to.
// M503 - print the current settings (from memory not from eeprom)
// M907 - Set digital trimpot motor current using axis codes.
// M908 - Control digital trimpot directly.
// M350 - Set microstepping mode.
// M351 - Toggle MS1 MS2 pins directly.
// M999 - Restart after being stopped by error
//Stepper Movement Variables
@ -309,6 +313,8 @@ void setup()
SERIAL_ECHOPGM(STRING_VERSION_CONFIG_H);
SERIAL_ECHOPGM(MSG_AUTHOR);
SERIAL_ECHOLNPGM(STRING_CONFIG_H_AUTHOR);
SERIAL_ECHOPGM("Compiled: ");
SERIAL_ECHOLNPGM(__DATE__);
#endif
#endif
SERIAL_ECHO_START;
@ -1466,6 +1472,52 @@ void process_commands()
EEPROM_printSettings();
}
break;
case 907: // Set digital trimpot motor current using axis codes.
{
#if DIGIPOTSS_PIN > -1
for(int i=0;i<=NUM_AXIS;i++) if(code_seen(axis_codes[i])) digipot_current(i,code_value());
if(code_seen('B')) digipot_current(4,code_value());
if(code_seen('S')) for(int i=0;i<=4;i++) digipot_current(i,code_value());
#endif
}
case 908: // Control digital trimpot directly.
{
#if DIGIPOTSS_PIN > -1
uint8_t channel,current;
if(code_seen('P')) channel=code_value();
if(code_seen('S')) current=code_value();
digitalPotWrite(channel, current);
#endif
}
break;
case 350: // Set microstepping mode. Warning: Steps per unit remains unchanged. S code sets stepping mode for all drivers.
{
#if X_MS1_PIN > -1
if(code_seen('S')) for(int i=0;i<=4;i++) microstep_mode(i,code_value());
for(int i=0;i<=NUM_AXIS;i++) if(code_seen(axis_codes[i])) microstep_mode(i,(uint8_t)code_value());
if(code_seen('B')) microstep_mode(4,code_value());
microstep_readings();
#endif
}
break;
case 351: // Toggle MS1 MS2 pins directly, S# determines MS1 or MS2, X# sets the pin high/low.
{
#if X_MS1_PIN > -1
if(code_seen('S')) switch((int)code_value())
{
case 1:
for(int i=0;i<=NUM_AXIS;i++) if(code_seen(axis_codes[i])) microstep_ms(i,code_value(),-1);
if(code_seen('B')) microstep_ms(4,code_value(),-1);
break;
case 2:
for(int i=0;i<=NUM_AXIS;i++) if(code_seen(axis_codes[i])) microstep_ms(i,-1,code_value());
if(code_seen('B')) microstep_ms(4,-1,code_value());
break;
}
microstep_readings();
#endif
}
break;
case 999: // Restart after being stopped
Stopped = false;
gcode_LastN = Stopped_gcode_LastN;

82
Marlin/pins.h
View file

@ -1,6 +1,18 @@
#ifndef PINS_H
#define PINS_H
#define X_MS1_PIN -1
#define X_MS2_PIN -1
#define Y_MS1_PIN -1
#define Y_MS2_PIN -1
#define Z_MS1_PIN -1
#define Z_MS2_PIN -1
#define E0_MS1_PIN -1
#define E0_MS2_PIN -1
#define E1_MS1_PIN -1
#define E1_MS2_PIN -1
#define DIGIPOTSS_PIN -1
#if MOTHERBOARD == 99
#define KNOWN_BOARD 1
@ -1128,6 +1140,76 @@
#endif
#if MOTHERBOARD == 301
#define KNOWN_BOARD
/*****************************************************************
* Rambo Pin Assignments
******************************************************************/
#ifndef __AVR_ATmega2560__
#error Oops! Make sure you have 'Arduino Mega 2560' selected from the 'Tools -> Boards' menu.
#endif
#define X_STEP_PIN 37
#define X_DIR_PIN 48
#define X_MIN_PIN 12
#define X_MAX_PIN 19
#define X_ENABLE_PIN 29
#define X_MS1_PIN 40
#define X_MS2_PIN 41
#define Y_STEP_PIN 36
#define Y_DIR_PIN 49
#define Y_MIN_PIN 11
#define Y_MAX_PIN 18
#define Y_ENABLE_PIN 28
#define Y_MS1_PIN 69
#define Y_MS2_PIN 39
#define Z_STEP_PIN 35
#define Z_DIR_PIN 47
#define Z_MIN_PIN 10
#define Z_MAX_PIN 15
#define Z_ENABLE_PIN 27
#define Z_MS1_PIN 68
#define Z_MS2_PIN 67
#define HEATER_BED_PIN 3
#define TEMP_BED_PIN 2
#define HEATER_0_PIN 9
#define TEMP_0_PIN 0
#define HEATER_1_PIN 7
#define TEMP_1_PIN 1
#define HEATER_2_PIN -1
#define TEMP_2_PIN -1
#define E0_STEP_PIN 34
#define E0_DIR_PIN 43
#define E0_ENABLE_PIN 26
#define E0_MS1_PIN 65
#define E0_MS2_PIN 66
#define E1_STEP_PIN 33
#define E1_DIR_PIN 42
#define E1_ENABLE_PIN 25
#define E1_MS1_PIN 63
#define E1_MS2_PIN 64
#define DIGIPOTSS_PIN 38
#define DIGIPOT_CHANNELS {4,5,3,0,1} // X Y Z E0 E1 digipot channels to stepper driver mapping
#define SDPOWER -1
#define SDSS 53
#define LED_PIN 13
#define FAN_PIN 8
#define PS_ON_PIN 4
#define KILL_PIN -1
#define SUICIDE_PIN -1 //PIN that has to be turned on right after start, to keep power flowing.
#endif
#ifndef KNOWN_BOARD
#error Unknown MOTHERBOARD value in configuration.h

102
Marlin/stepper.cpp
View file

@ -28,7 +28,7 @@
#include "ultralcd.h"
#include "language.h"
#include "speed_lookuptable.h"
#include <SPI.h>
//===========================================================================
@ -714,6 +714,9 @@ ISR(TIMER1_COMPA_vect)
void st_init()
{
digipot_init(); //Initialize Digipot Motor Current
microstep_init(); //Initialize Microstepping Pins
//Initialize Dir Pins
#if X_DIR_PIN > -1
SET_OUTPUT(X_DIR_PIN);
@ -951,3 +954,100 @@ void quickStop()
ENABLE_STEPPER_DRIVER_INTERRUPT();
}
int digitalPotWrite(int address, int value) // From Arduino DigitalPotControl example
{
#if DIGIPOTSS_PIN > -1
digitalWrite(DIGIPOTSS_PIN,LOW); // take the SS pin low to select the chip
SPI.transfer(address); // send in the address and value via SPI:
SPI.transfer(value);
digitalWrite(DIGIPOTSS_PIN,HIGH); // take the SS pin high to de-select the chip:
//delay(10);
#endif
}
void digipot_init() //Initialize Digipot Motor Current
{
#if DIGIPOTSS_PIN > -1
const uint8_t digipot_motor_current[] = DIGIPOT_MOTOR_CURRENT;
SPI.begin();
pinMode(DIGIPOTSS_PIN, OUTPUT);
for(int i=0;i<=4;i++)
//digitalPotWrite(digipot_ch[i], digipot_motor_current[i]);
digipot_current(i,digipot_motor_current[i]);
#endif
}
void digipot_current(uint8_t driver, int current)
{
#if DIGIPOTSS_PIN > -1
const uint8_t digipot_ch[] = DIGIPOT_CHANNELS;
digitalPotWrite(digipot_ch[driver], current);
#endif
}
void microstep_init()
{
#if X_MS1_PIN > -1
const uint8_t microstep_modes[] = MICROSTEP_MODES;
pinMode(X_MS2_PIN,OUTPUT);
pinMode(Y_MS2_PIN,OUTPUT);
pinMode(Z_MS2_PIN,OUTPUT);
pinMode(E0_MS2_PIN,OUTPUT);
pinMode(E1_MS2_PIN,OUTPUT);
for(int i=0;i<=4;i++) microstep_mode(i,microstep_modes[i]);
#endif
}
void microstep_ms(uint8_t driver, int8_t ms1, int8_t ms2)
{
if(ms1 > -1) switch(driver)
{
case 0: digitalWrite( X_MS1_PIN,ms1); break;
case 1: digitalWrite( Y_MS1_PIN,ms1); break;
case 2: digitalWrite( Z_MS1_PIN,ms1); break;
case 3: digitalWrite(E0_MS1_PIN,ms1); break;
case 4: digitalWrite(E1_MS1_PIN,ms1); break;
}
if(ms2 > -1) switch(driver)
{
case 0: digitalWrite( X_MS2_PIN,ms2); break;
case 1: digitalWrite( Y_MS2_PIN,ms2); break;
case 2: digitalWrite( Z_MS2_PIN,ms2); break;
case 3: digitalWrite(E0_MS2_PIN,ms2); break;
case 4: digitalWrite(E1_MS2_PIN,ms2); break;
}
}
void microstep_mode(uint8_t driver, uint8_t stepping_mode)
{
switch(stepping_mode)
{
case 1: microstep_ms(driver,MICROSTEP1); break;
case 2: microstep_ms(driver,MICROSTEP2); break;
case 4: microstep_ms(driver,MICROSTEP4); break;
case 8: microstep_ms(driver,MICROSTEP8); break;
case 16: microstep_ms(driver,MICROSTEP16); break;
}
}
void microstep_readings()
{
SERIAL_PROTOCOLPGM("MS1,MS2 Pins\n");
SERIAL_PROTOCOLPGM("X: ");
SERIAL_PROTOCOL( digitalRead(X_MS1_PIN));
SERIAL_PROTOCOLLN( digitalRead(X_MS2_PIN));
SERIAL_PROTOCOLPGM("Y: ");
SERIAL_PROTOCOL( digitalRead(Y_MS1_PIN));
SERIAL_PROTOCOLLN( digitalRead(Y_MS2_PIN));
SERIAL_PROTOCOLPGM("Z: ");
SERIAL_PROTOCOL( digitalRead(Z_MS1_PIN));
SERIAL_PROTOCOLLN( digitalRead(Z_MS2_PIN));
SERIAL_PROTOCOLPGM("E0: ");
SERIAL_PROTOCOL( digitalRead(E0_MS1_PIN));
SERIAL_PROTOCOLLN( digitalRead(E0_MS2_PIN));
SERIAL_PROTOCOLPGM("E1: ");
SERIAL_PROTOCOL( digitalRead(E1_MS1_PIN));
SERIAL_PROTOCOLLN( digitalRead(E1_MS2_PIN));
}

9
Marlin/stepper.h
View file

@ -68,4 +68,13 @@ void finishAndDisableSteppers();
extern block_t *current_block; // A pointer to the block currently being traced
void quickStop();
int digitalPotWrite(int address, int value);
void microstep_ms(uint8_t driver, int8_t ms1, int8_t ms2);
void microstep_mode(uint8_t driver, uint8_t stepping);
void digipot_init();
void digipot_current(uint8_t driver, int current);
void microstep_init();
void microstep_readings();
#endif