273 lines
9.3 KiB
C
273 lines
9.3 KiB
C
/**
|
|
* Marlin 3D Printer Firmware
|
|
* Copyright (c) 2019 MarlinFirmware [https://github.com/MarlinFirmware/Marlin]
|
|
*
|
|
* Based on Sprinter and grbl.
|
|
* Copyright (c) 2011 Camiel Gubbels / Erik van der Zalm
|
|
*
|
|
* This program is free software: you can redistribute it and/or modify
|
|
* it under the terms of the GNU General Public License as published by
|
|
* the Free Software Foundation, either version 3 of the License, or
|
|
* (at your option) any later version.
|
|
*
|
|
* This program is distributed in the hope that it will be useful,
|
|
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
* GNU General Public License for more details.
|
|
*
|
|
* You should have received a copy of the GNU General Public License
|
|
* along with this program. If not, see <http://www.gnu.org/licenses/>.
|
|
*
|
|
*/
|
|
#pragma once
|
|
|
|
#ifndef TARGET_LPC1768
|
|
#error "Oops! Make sure you have the LPC1768 environment selected in your IDE."
|
|
#endif
|
|
|
|
#define BOARD_NAME "BIGTREE SKR 1.1"
|
|
|
|
//
|
|
// Limit Switches
|
|
//
|
|
#define X_MIN_PIN P1_29
|
|
#define X_MAX_PIN P1_28
|
|
#define Y_MIN_PIN P1_27
|
|
#define Y_MAX_PIN P1_26
|
|
#define Z_MIN_PIN P1_25
|
|
#define Z_MAX_PIN P1_24
|
|
|
|
//
|
|
// Steppers
|
|
//
|
|
#define X_STEP_PIN P0_04
|
|
#define X_DIR_PIN P0_05
|
|
#define X_ENABLE_PIN P4_28
|
|
|
|
#define Y_STEP_PIN P2_01
|
|
#define Y_DIR_PIN P2_02
|
|
#define Y_ENABLE_PIN P2_00
|
|
|
|
#define Z_STEP_PIN P0_20
|
|
#define Z_DIR_PIN P0_21
|
|
#define Z_ENABLE_PIN P0_19
|
|
|
|
#define E0_STEP_PIN P0_11
|
|
#define E0_DIR_PIN P2_13
|
|
#define E0_ENABLE_PIN P2_12
|
|
|
|
#define E1_STEP_PIN P0_01
|
|
#define E1_DIR_PIN P0_00
|
|
#define E1_ENABLE_PIN P0_10
|
|
|
|
//
|
|
// Temperature Sensors
|
|
// 3.3V max when defined as an analog input
|
|
//
|
|
#define TEMP_BED_PIN 0 // Analog Input
|
|
#define TEMP_0_PIN 1 // Analog Input
|
|
#define TEMP_1_PIN 2 // Analog Input
|
|
|
|
//
|
|
// Heaters / Fans
|
|
//
|
|
#define HEATER_0_PIN P2_07
|
|
#if HOTENDS == 1
|
|
#define FAN1_PIN P2_04
|
|
#else
|
|
#define HEATER_1_PIN P2_04
|
|
#endif
|
|
#define FAN_PIN P2_03
|
|
#define HEATER_BED_PIN P2_05
|
|
|
|
/**
|
|
* LCD / Controller
|
|
*
|
|
* As of 20 JAN 2019 only the REPRAP_DISCOUNT_FULL_GRAPHIC_SMART_CONTROLLER display has
|
|
* been tested with these settings. It can be connected to the SKR using standard cables
|
|
* via the EXP1 and EXP2 ports. Other displays may need a custom cable and/or changes to
|
|
* the pins defined below.
|
|
*
|
|
* The SD card on the LCD controller uses the same SPI signals as the LCD, resulting in
|
|
* garbage/lines on the LCD display during SD card access. The LCD code mitigates this
|
|
* by redrawing the screen after SD card accesses.
|
|
*/
|
|
|
|
#if HAS_SPI_LCD
|
|
#define BEEPER_PIN P1_30
|
|
#define BTN_EN1 P3_26
|
|
#define BTN_EN2 P3_25
|
|
#define BTN_ENC P2_11
|
|
|
|
#define SD_DETECT_PIN P1_31
|
|
#define LCD_SDSS P1_23
|
|
#define LCD_PINS_RS P0_16
|
|
#define LCD_PINS_ENABLE P0_18
|
|
#define LCD_PINS_D4 P0_15
|
|
|
|
#if ENABLED(MKS_MINI_12864)
|
|
#define DOGLCD_CS P2_06
|
|
#define DOGLCD_A0 P0_16
|
|
#endif
|
|
#endif
|
|
|
|
//
|
|
// SD Support
|
|
//
|
|
// MKS_MINI_12864 strongly prefers the SD card on the display and
|
|
// requires jumpers on the SKR V1.1 board as documented here:
|
|
// https://www.facebook.com/groups/505736576548648/permalink/630639874058317/
|
|
#ifndef SDCARD_CONNECTION
|
|
#if ENABLED(MKS_MINI_12864)
|
|
#define SDCARD_CONNECTION LCD
|
|
#else
|
|
#define SDCARD_CONNECTION ONBOARD
|
|
#endif
|
|
#endif
|
|
|
|
#define ONBOARD_SD_CS_PIN P0_06 // Chip select for "System" SD card
|
|
|
|
#if SD_CONNECTION_IS(LCD)
|
|
#define SCK_PIN P0_15
|
|
#define MISO_PIN P0_17
|
|
#define MOSI_PIN P0_18
|
|
#define SS_PIN P1_23
|
|
#elif SD_CONNECTION_IS(ONBOARD)
|
|
#undef SD_DETECT_PIN
|
|
#define SD_DETECT_PIN P0_27
|
|
#define SCK_PIN P0_07
|
|
#define MISO_PIN P0_08
|
|
#define MOSI_PIN P0_09
|
|
#define SS_PIN ONBOARD_SD_CS_PIN
|
|
#elif SD_CONNECTION_IS(CUSTOM_CABLE)
|
|
#error "No custom SD drive cable defined for this board."
|
|
#endif
|
|
|
|
// Trinamic driver support
|
|
|
|
#if HAS_TRINAMIC
|
|
// Using TMC devices in intelligent mode requires extra connections to each device. Unfortunately
|
|
// the SKR does not have many free pins (especially if a display is in use). The SPI-based devices
|
|
// will require 3 connections (clock, mosi, miso), plus a chip select line (CS) for each driver.
|
|
// The UART-based devices require 2 pis per deriver (one of which must be interrupt capable).
|
|
// The same SPI pins can be shared with the display/SD card reader, meaning SPI-based devices are
|
|
// probably a good choice for this board.
|
|
//
|
|
// SOFTWARE_DRIVER_ENABLE is a good option. It uses SPI to control the driver enable and allows the
|
|
// hardware ENABLE pins for each driver to be repurposed as SPI chip select. To use this mode the
|
|
// driver modules will probably need to be modified, removing the pin used for the enable line from
|
|
// the module and wiring this connection directly to GND (as is the case for TMC2130).
|
|
// Using this option and sharing all of the SPI pins allows 5 TMC2130 drivers to be used along with
|
|
// a REPRAP_DISCOUNT_FULL_GRAPHIC_SMART_CONTROLLER without requiring the use of any extra pins.
|
|
//
|
|
// Other options will probably require the use of any free pins and the TFT serial port or a
|
|
// different type of display (like the TFT), using the pins normally used for the display and encoder.
|
|
// Unfortunately, tests show it's not possible to use endstop and thermistor pins for chip-select.
|
|
// Sample settings are provided below, but only some have been tested.
|
|
//
|
|
// Another option is to share the enable and chip-select pins when using SPI. Several users have
|
|
// reported that this works. However, it's unlikely that this configuration will allow SPI communi-
|
|
// cation with the device when the drivers are active, meaning that some of the more advanced TMC
|
|
// options may not be available.
|
|
|
|
// When using any TMC SPI-based drivers, software SPI is used
|
|
// because pins may be shared with the display or SD card.
|
|
#define TMC_USE_SW_SPI
|
|
#define TMC_SW_MOSI P0_18
|
|
#define TMC_SW_MISO P0_17
|
|
// To minimize pin usage use the same clock pin as the display/SD card reader. (May generate LCD noise.)
|
|
#define TMC_SW_SCK P0_15
|
|
// If pin 2_06 is unused, it can be used for the clock to avoid the LCD noise.
|
|
//#define TMC_SW_SCK P2_06
|
|
|
|
#if ENABLED(SOFTWARE_DRIVER_ENABLE)
|
|
|
|
// Software enable allows the enable pins to be repurposed as chip-select pins.
|
|
// Note: Requires the driver modules to be modified to always be enabled with the enable pin removed.
|
|
#if AXIS_DRIVER_TYPE_X(TMC2130)
|
|
#define X_CS_PIN P4_28
|
|
#undef X_ENABLE_PIN
|
|
#define X_ENABLE_PIN -1
|
|
#endif
|
|
|
|
#if AXIS_DRIVER_TYPE_Y(TMC2130)
|
|
#define Y_CS_PIN P2_00
|
|
#undef Y_ENABLE_PIN
|
|
#define Y_ENABLE_PIN -1
|
|
#endif
|
|
|
|
#if AXIS_DRIVER_TYPE_Z(TMC2130)
|
|
#define Z_CS_PIN P0_19
|
|
#undef Z_ENABLE_PIN
|
|
#define Z_ENABLE_PIN -1
|
|
#endif
|
|
|
|
#if AXIS_DRIVER_TYPE_E0(TMC2130)
|
|
#define E0_CS_PIN P2_12
|
|
#undef E0_ENABLE_PIN
|
|
#define E0_ENABLE_PIN -1
|
|
#endif
|
|
|
|
|
|
#if AXIS_DRIVER_TYPE_E1(TMC2130)
|
|
#define E1_CS_PIN P0_10
|
|
#undef E1_ENABLE_PIN
|
|
#define E1_ENABLE_PIN -1
|
|
#endif
|
|
|
|
#else // !SOFTWARE_DRIVER_ENABLE
|
|
|
|
// A chip-select pin is needed for each driver.
|
|
|
|
// EXAMPLES
|
|
|
|
// Example 1: No LCD attached or a TFT style display using the AUX header RX/TX pins.
|
|
// SDCARD_CONNECTION must not be 'LCD'. Nothing should be connected to EXP1/EXP2.
|
|
//#define SKR_USE_LCD_PINS_FOR_CS
|
|
#if ENABLED(SKR_USE_LCD_PINS_FOR_CS)
|
|
#if SD_CONNECTION_IS(LCD)
|
|
#error "SDCARD_CONNECTION must not be 'LCD' with SKR_USE_LCD_PINS_FOR_CS."
|
|
#endif
|
|
#define X_CS_PIN P1_23
|
|
#define Y_CS_PIN P3_26
|
|
#define Z_CS_PIN P2_11
|
|
#define E0_CS_PIN P3_25
|
|
#define E1_CS_PIN P1_31
|
|
#endif
|
|
|
|
// Example 2: A REPRAP_DISCOUNT_FULL_GRAPHIC_SMART_CONTROLLER
|
|
// The SD card reader attached to the LCD (if present) can't be used because
|
|
// the pins will be in use. So SDCARD_CONNECTION must not be 'LCD'.
|
|
//#define SKR_USE_LCD_SD_CARD_PINS_FOR_CS
|
|
#if ENABLED(SKR_USE_LCD_SD_CARD_PINS_FOR_CS)
|
|
#if SD_CONNECTION_IS(LCD)
|
|
#error "SDCARD_CONNECTION must not be 'LCD' with SKR_USE_LCD_SD_CARD_PINS_FOR_CS."
|
|
#endif
|
|
#define X_CS_PIN P0_02
|
|
#define Y_CS_PIN P0_03
|
|
#define Z_CS_PIN P2_06
|
|
// We use SD_DETECT_PIN for E0
|
|
#undef SD_DETECT_PIN
|
|
#define E0_CS_PIN P1_31
|
|
// We use LCD_SDSS pin for E1
|
|
#undef LCD_SDSS
|
|
#define LCD_SDSS -1
|
|
#define E1_CS_PIN P1_23
|
|
#endif
|
|
|
|
// Example 3: Use the driver enable pins for chip-select.
|
|
// Commands must not be sent to the drivers when enabled. So certain
|
|
// advanced features (like driver monitoring) will not be available.
|
|
//#define SKR_USE_ENABLE_CS
|
|
#if ENABLED(SKR_USE_ENABLE_FOR_CS)
|
|
#define X_CS_PIN X_ENABLE_PIN
|
|
#define Y_CS_PIN Y_ENABLE_PIN
|
|
#define Z_CS_PIN Z_ENABLE_PIN
|
|
#define E0_CS_PIN E0_ENABLE_PIN
|
|
#define E1_CS_PIN E1_ENABLE_PIN
|
|
#endif
|
|
|
|
#endif // SOFTWARE_DRIVER_ENABLE
|
|
|
|
#endif
|