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- Gusgus
- Gusgus
18 Sep 2025 19:08
sorry i had a formatting error
Replied by Gusgus on topic Remora - Rpi Software Stepping Using External Microcontroller via SPI
Remora - Rpi Software Stepping Using External Microcontroller via SPI
Category: Computers and Hardware
{
"Board": "BIGTREETECH Octopus Pro",
"Modules":[
{
"Thread": "Servo",
"Type": "Reset Pin",
"Comment": "Reset pin",
"Pin": "PC_15"
},
{
"Thread": "Servo",
"Type": "eStop",
"Comment": "eStop",
"Pin": "PG_12"
},
{
"Thread": "Servo",
"Type": "PWM",
"Comment": "Spindle",
"SP[i]": 3,
"PWM Pin": "PB_0",
"PWM Max": 255,
"Hardware PWM": "True",
"Variable Freq": "True",
"Period SP[i]": 1,
"Period us": 200
},
{
"Thread": "Base",
"Type": "Stepgen",
"Comment": "X - Joint 0 step generator",
"Joint Number": 0,
"Step Pin": "PF_9",
"Direction Pin": "PF_10",
"Enable Pin": "PG_2"
},
{
"Thread": "Base",
"Type": "Stepgen",
"Comment": "Y1 - Joint 1 step generator",
"Joint Number": 1,
"Step Pin": "PC_13",
"Direction Pin": "PF_0",
"Enable Pin": "PF_1"
},
{
"Thread": "Base",
"Type": "Stepgen",
"Comment": "Y2 - Joint 1 step generator",
"Joint Number": 1,
"Step Pin": "PE_2",
"Direction Pin": "PE_3",
"Enable Pin": "PD_4"
},
{
"Thread": "Base",
"Type": "Stepgen",
"Comment": "Z - Joint 2 step generator",
"Joint Number": 2,
"Step Pin": "PE_6",
"Direction Pin": "PA_14",
"Enable Pin": "PE_0"
},
{
"Thread": "Servo",
"Type": "Digital Pin",
"Comment": "X min",
"Pin": "PG_6",
"Mode": "Input",
"Data Bit": 0
},
{
"Thread": "Servo",
"Type": "Digital Pin",
"Comment": "Y min",
"Pin": "PG_9",
"Mode": "Input",
"Data Bit": 1
},
{
"Thread": "Servo",
"Type": "Digital Pin",
"Comment": "Z min",
"Pin": "PG_10",
"Mode": "Input",
"Data Bit": 2
},
{
"Thread": "Servo",
"Type": "Digital Pin",
"Comment": "Probe",
"Pin": "PG_11",
"Mode": "Input",
"Data Bit": 3
}
]
}
# Basic LinuxCNC config for testing of Remora firmware
[EMC]
MACHINE = Remora-XYZ
DEBUG = 0
VERSION = 1.1
[DISPLAY]
DISPLAY = axis
EDITOR = gedit
POSITION_OFFSET = RELATIVE
POSITION_FEEDBACK = ACTUAL
ARCDIVISION = 64
GRIDS = 10mm 20mm 50mm 100mm
MAX_FEED_OVERRIDE = 1.2
MIN_SPINDLE_OVERRIDE = 0.5
MAX_SPINDLE_OVERRIDE = 1.2
DEFAULT_LINEAR_VELOCITY = 28.7
MIN_LINEAR_VELOCITY = 0
MAX_LINEAR_VELOCITY = 28.7
DEFAULT_ANGULAR_VELOCITY = 28.7
MIN_ANGULAR_VELOCITY = 0
MAX_ANGULAR_VELOCITY = 28.7
INTRO_GRAPHIC = linuxcnc.gif
INTRO_TIME = 5
PROGRAM_PREFIX = ~/linuxcnc/nc_files
INCREMENTS = 50mm 10mm 5mm 1mm .5mm .1mm .05mm .01mm
[KINS]
JOINTS = 3
#KINEMATICS =trivkins coordinates=XYZ kinstype=BOTH
KINEMATICS =trivkins coordinates=XYZ
[FILTER]
PROGRAM_EXTENSION = .py Python Script
py = python
[TASK]
TASK = milltask
CYCLE_TIME = 0.010
[RS274NGC]
PARAMETER_FILE = linuxcnc.var
[EMCMOT]
EMCMOT = motmod
COMM_TIMEOUT = 1.0
COMM_WAIT = 0.010
BASE_PERIOD = 0
SERVO_PERIOD = 5000000
[HAL]
HALFILE = remora-xyz.hal
POSTGUI_HALFILE = postgui_call_list.hal
[TRAJ]
COORDINATES = X Y Z
LINEAR_UNITS = mm
ANGULAR_UNITS = degree
CYCLE_TIME = 0.010
DEFAULT_LINEAR_VELOCITY = 4.17
MAX_LINEAR_VELOCITY = 28.7
NO_FORCE_HOMING = 1
[EMCIO]
EMCIO = io
CYCLE_TIME = 0.100
TOOL_TABLE = tool.tbl
#*** AXIS_X *******************************
[AXIS_X]
MAX_VELOCITY = 28.7
MAX_ACCELERATION = 287.0
MIN_LIMIT = -0.001
MAX_LIMIT = 1080.0
[JOINT_0]
TYPE = LINEAR
HOME = 0.0
MIN_LIMIT = -0.001
MAX_LIMIT = 1080.0
MAX_VELOCITY = 28.7
MAX_ACCELERATION = 287.0
STEPGEN_MAXACCEL = 1000.0
SCALE = 100.0
FERROR = 5.0
MIN_FERROR = 5.0
HOME_OFFSET = 0.000000
HOME_SEARCH_VEL = -45.000000
HOME_LATCH_VEL = -2.500000
HOME_SEQUENCE = 1
#******************************************
#*** AXIS_Y *******************************
[AXIS_Y]
MAX_VELOCITY = 28.7
MAX_ACCELERATION = 287.0
MIN_LIMIT = -0.001
MAX_LIMIT = 950.0
[JOINT_1]
TYPE = LINEAR
HOME = 0.0
MIN_LIMIT = -0.001
MAX_LIMIT = 950.0
MAX_VELOCITY = 28.7
MAX_ACCELERATION = 287.0
STEPGEN_MAXACCEL = 1000.0
SCALE = 100.0
FERROR = 5.0
MIN_FERROR = 5.0
HOME_OFFSET = 0.000000
HOME_SEARCH_VEL = -45.000000
HOME_LATCH_VEL = 2.500000
HOME_SEQUENCE = 2
#******************************************
#*** AXIS_Z *******************************
[AXIS_Z]
MAX_VELOCITY = 20.0
MAX_ACCELERATION = 150.0
MIN_LIMIT = -125.0
MAX_LIMIT = 0.001
[JOINT_2]
TYPE = LINEAR
HOME = 0.0
MIN_LIMIT = -125.0
MAX_LIMIT = 0.001
MAX_VELOCITY = 20
MAX_ACCELERATION = 150.0
STEPGEN_MAXACCEL = 187.5
SCALE = 800.0
FERROR = 5.0
MIN_FERROR = 5.0
HOME_OFFSET = 0.000000
HOME_SEARCH_VEL = 15.000000
HOME_LATCH_VEL = 0.625000
HOME_SEQUENCE = 0
#******************************************
sorry i had a formatting error
- souh-hil

18 Sep 2025 19:07
Firmware Request for 7i92 – Plasma CNC Build was created by souh-hil
Firmware Request for 7i92 – Plasma CNC Build
Category: Driver Boards
Hello everyone,This is my first post here on the LinuxCNC forum, and also my very first CNC build — so please forgive any mistakes or lack of experience on my part. I'm doing my best to learn as I go.I'm building a plasma CNC machine and using a Mesa 7i92 card. For my setup, I’ll be connecting two 5-axis breakout boards — one on P1 and one on P2. I’m looking for a suitable firmware that would allow me to:
- Use 4 or 5 encoder inputs (for THCAD and potentially other uses)
- Have at least 10 inputs and 5 outputs for general machine control
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