Prusa MINI Firmware overview
pins_RIGIDBOARD_V2.h
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1 /**
2  * Marlin 3D Printer Firmware
3  * Copyright (c) 2019 MarlinFirmware [https://github.com/MarlinFirmware/Marlin]
4  *
5  * Based on Sprinter and grbl.
6  * Copyright (c) 2011 Camiel Gubbels / Erik van der Zalm
7  *
8  * This program is free software: you can redistribute it and/or modify
9  * it under the terms of the GNU General Public License as published by
10  * the Free Software Foundation, either version 3 of the License, or
11  * (at your option) any later version.
12  *
13  * This program is distributed in the hope that it will be useful,
14  * but WITHOUT ANY WARRANTY; without even the implied warranty of
15  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
16  * GNU General Public License for more details.
17  *
18  * You should have received a copy of the GNU General Public License
19  * along with this program. If not, see <http://www.gnu.org/licenses/>.
20  *
21  */
22 #pragma once
23 
24 /**
25  * RIGIDBOARD V2 Arduino Mega with RAMPS v1.4 pin assignments
26  */
27 
28 #define BOARD_INFO_NAME "RigidBoard V2"
29 
30 #include "pins_RIGIDBOARD.h"
31 
32 //
33 // Steppers
34 //
35 
36 // I2C based DAC like on the Printrboard REVF
37 #define DAC_STEPPER_CURRENT
38 
39 // Channels available for DAC, For Rigidboard there are 4
40 #define DAC_STEPPER_ORDER { 0, 1, 2, 3 }
41 
42 #define DAC_STEPPER_SENSE 0.05 // sense resistors on rigidboard stepper chips are .05 value
43 #define DAC_STEPPER_ADDRESS 0
44 #define DAC_STEPPER_MAX 4096 // was 5000 but max allowable value is actually 4096
45 #define DAC_STEPPER_VREF 1 // internal Vref, gain 2x = 4.096V
46 #define DAC_STEPPER_GAIN 1 // value of 1 here sets gain of 2
47 #define DAC_DISABLE_PIN 42 // set low to enable DAC
48 #define DAC_OR_ADDRESS 0x01
49 
50 #ifndef DAC_MOTOR_CURRENT_DEFAULT
51  #define DAC_MOTOR_CURRENT_DEFAULT { 70, 80, 90, 80 } // Default drive percent - X, Y, Z, E axis
52 #endif
pins_RIGIDBOARD.h