dotfiles/nixos/systems/blowhole/klipper.nix

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{lib, pkgs, secret, ...}:
with lib; let
in {
users.users.klipper = {
home = "/var/lib/klipper";
isSystemUser = true;
group = "klipper";
uid = 321;
};
users.groups.klipper = {
gid = 321;
};
services.klipper = {
enable = true;
user = "klipper";
group = "klipper";
package = pkgs.klipper;
settings = let
indentGcode = with lib;
gcode:
"\n" + (concatMapStringsSep "\n" (x: " " + x) (splitString "\n" gcode));
in {
stepper_x = {
step_pin = "P2.2";
dir_pin = "!P2.6";
enable_pin = "!P2.1";
rotation_distance = "40";
microsteps = "16";
endstop_pin = "P1.29"; # P1.28 for X-max
position_endstop = "0";
position_max = "235";
homing_speed = "50";
};
stepper_y = {
step_pin = "P0.19";
dir_pin = "!P0.20";
enable_pin = "!P2.8";
rotation_distance = "40";
microsteps = "16";
endstop_pin = "P1.27"; # P1.26 for Y-max
position_endstop = "0";
position_max = "235";
homing_speed = "50";
};
stepper_z = {
step_pin = "P0.22";
dir_pin = "P2.11";
enable_pin = "!P0.21";
rotation_distance = "8";
microsteps = "16";
endstop_pin = "P1.25"; # P1.24 for Z-max"
position_min = "-4.5";
position_endstop = "1.290";
position_max = "250";
};
extruder = {
step_pin = "P2.13";
dir_pin = "!P0.11";
enable_pin = "!P2.12";
rotation_distance = "23.291";
gear_ratio = "3:1";
microsteps = "16";
nozzle_diameter = "0.400";
filament_diameter = "1.750";
heater_pin = "P2.7";
sensor_type = "PT1000";
sensor_pin = "P0.24";
control = "pid";
pid_Kp = "22.2";
pid_Ki = "1.08";
pid_Kd = "114";
min_temp = "0";
max_temp = "260";
pressure_advance = "0.92";
};
bed_screws = {
screw1 = "30,35";
screw2 = "200,35";
screw3 = "200,205";
screw4 = "30,205";
};
"heater_fan my_nozzle_fan" = {
pin = "P2.4";
heater = "extruder";
heater_temp = "50.0";
fan_speed = "1.0";
};
heater_bed = {
heater_pin = "P2.5";
sensor_type = "ATC Semitec 104GT-2";
sensor_pin = "P0.23";
control = "watermark";
min_temp = "0";
max_temp = "80";
};
fan = {
pin = "P2.3";
};
mcu = {
serial = "/dev/serial/by-id/usb-Klipper_lpc1768_13E0FF0C469027AEBAA84A52871E00F5-if00 ";
};
printer = {
kinematics = "cartesian";
max_velocity = "200";
max_accel = "2000";
max_z_velocity = "25";
max_z_accel = "100";
};
virtual_sdcard = {
path = "/var/lib/klipper/sdcard";
};
### Mainsail
pause_resume = {};
display_status = {};
endstop_phase = {};
"tmc2208 stepper_x" = {
uart_pin = "P1.17";
run_current = "0.475";
hold_current = "0.275";
stealthchop_threshold = "250";
};
"tmc2208 stepper_y" = {
uart_pin = "P1.15";
run_current = "0.475";
hold_current = "0.275";
stealthchop_threshold = "250";
};
"tmc2208 stepper_z" = {
uart_pin = "P1.10";
run_current = "0.475";
hold_current = "0.275";
stealthchop_threshold = "30";
};
"tmc2208 extruder" = {
uart_pin = "P1.8";
run_current = "0.560";
hold_current = "0.360";
stealthchop_threshold = "5";
};
board_pins = {
aliases =
indentGcode
''
# EXP1 header
EXP1_1=P1.30, EXP1_3=P1.18, EXP1_5=P1.20, EXP1_7=P1.22, EXP1_9=<GND>,
EXP1_2=P0.28, EXP1_4=P1.19, EXP1_6=P1.21, EXP1_8=P1.23, EXP1_10=<5V>,
# EXP2 header
EXP2_1=P0.17, EXP2_3=P3.26, EXP2_5=P3.25, EXP2_7=P1.31, EXP2_9=<GND>,
EXP2_2=P0.15, EXP2_4=P0.16, EXP2_6=P0.18, EXP2_8=<RST>, EXP2_10=<NC>
# Pins EXP2_1, EXP2_6, EXP2_2 are also MISO, MOSI, SCK of bus "ssp0"
'';
};
display = {
lcd_type = "st7920";
cs_pin = "EXP1_7";
sclk_pin = "EXP1_6";
sid_pin = "EXP1_8";
encoder_pins = "^EXP1_5, ^EXP1_3";
click_pin = "^!EXP1_2";
};
# "endstop_phase stepper_z" =
# { endstop_phase = "29";
# };
# "endstop_phase stepper_y" =
# { endstop_phase = "57";
# };
# "endstop_phase stepper_x" =
# { endstop_phase = "3";
# };
"gcode_macro M600" = {
gcode =
indentGcode
''
{% set x = params.X|default(50)|float %}
{% set y = params.Y|default(0)|float %}
{% set z = params.Z|default(10)|float %}
SAVE_GCODE_STATE NAME=M600_state
PAUSE
G91
G1 E-.8 F2700
G1 Z{z}
G90
G1 X{x} Y{y} F3000
G91
G1 E-50 F1000
G1 X0.1 F3000
G1 E-50 F1000
G1 X-0.1 F3000
G1 E-50 F1000
G1 X0.1 F3000
G1 E-50 F1000
G1 X-0.1 F3000
G1 E-50 F1000
G1 X0.1 F3000
G1 E-50 F1000
G1 X-0.1 F3000
RESTORE_GCODE_STATE NAME=M600_state
'';
};
"gcode_macro CANCEL_PRINT" = {
rename_existing = "BASE_CANCEL_PRINT";
gcode =
indentGcode
''
TURN_OFF_HEATERS
CLEAR_PAUSE
SDCARD_RESET_FILE
BASE_CANCEL_PRINT
'';
};
"gcode_macro PARK_WAIT" = {
gcode =
indentGcode
''
{% set x = params.X|default(0)|float %}
{% set y = params.Y|default(230)|float %}
{% set z = params.Z|default(10)|float %}
{% set e = params.Z|default(20)|float %}
{% set millis = params.MILLIS|default(5)|float %}
SAVE_GCODE_STATE NAME=PAUSE_state
G91
G1 E-{e} F2100
G1 Z{z}
G90
G1 X{x} Y{y} F6000
G4 P{millis}
G91
G1 E{e} F2100
G90
RESTORE_GCODE_STATE NAME=PAUSE_state MOVE=1
'';
};
"gcode_macro PAUSE" = {
rename_existing = "BASE_PAUSE";
gcode =
indentGcode
''
{% set x = params.X|default(0)|float %}
{% set y = params.Y|default(230)|float %}
{% set z = params.Z|default(10)|float %}
{% set e = params.E|default(20)|float %}
SAVE_GCODE_STATE NAME=PAUSE_state
BASE_PAUSE
G91
G1 E-{e} F2100
G1 Z{z}
G90
G1 X{x} Y{y} F6000
'';
};
"gcode_macro RESUME" = {
rename_existing = "BASE_RESUME";
gcode =
indentGcode
''
{% set e = params.Z|default(20)|float %}
G91
G1 E{e} F2100
G90
RESTORE_GCODE_STATE NAME=PAUSE_state MOVE=1
BASE_RESUME
'';
};
"gcode_macro PRIME_LINE" = {
gcode =
indentGcode
''
G92 E0 # Reset Extruder
G1 Z2.0 F3000 # Move Z Axis up little to prevent scratching of Heat Bed
G1 X0.1 Y20 Z0.3 F5000.0 # Move to start position
G1 X0.1 Y200.0 Z0.3 F1500.0 E15 # Draw the first line
G1 X0.4 Y200.0 Z0.3 F5000.0 # Move to side a little
G1 X0.4 Y20 Z0.3 F1500.0 E30 # Draw the second line
G92 E0 # Reset Extruder
G1 Z2.0 F3000 # Move Z Axis up little to prevent scratching of Heat Bed
G1 X5 Y20 Z0.3 F5000.0 # Move over to prevent blob squish
'';
};
"gcode_macro START_PRINT" = {
gcode =
indentGcode
''
{% set z = params.Z|default(0)|float %}
# Use absolute coordinates
G90
# Reset the G-Code Z offset (adjust Z offset if needed)
SET_GCODE_OFFSET Z={z}
# Home the printer
G28
# Prime line
G0 Z0
PRIME_LINE
'';
};
"gcode_macro END_PRINT" = {
gcode =
indentGcode
''
G91 # Relative positioning
G1 E-2 F2700 # Retract a bit
G1 E-2 Z0.2 F2400 # Retract and raise Z
G1 X5 Y5 F3000 # Wipe out
G1 Z10 #Raise Z more
G90 # Absolute positionning
G1 X0 Y200 # Present print
M106 S0 # Turn-off fan
M104 S0 # Turn-off hotend
M140 S0 # Turn-off bed
M84 X Y E # Disable all steppers but Z
'';
};
};
};
services.moonraker = {
enable = true;
settings = {
authorization = {
trusted_clients = with secret.network.ips; [
"127.0.0.1"
heater
edge.vpn
omen.vpn
];
};
octoprint_compat = {};
history = {};
};
};
services.nginx = {
enable = true;
recommendedGzipSettings = true;
recommendedProxySettings = true;
recommendedOptimisation = true;
upstreams."apiserver" = {
servers."127.0.0.1:7125" = {};
extraConfig = ''
ip_hash;
'';
};
virtualHosts.${secret.network.ips.blowhole.dns} = {
root = pkgs.mainsail;
locations."/".extraConfig = ''
try_files $uri $uri/ /index.html;
'';
locations."/index.html".extraConfig = ''
add_header Cache-Control "no-store, no-cache, must-revalidate";
'';
locations."/websocket".extraConfig = ''
proxy_pass http://apiserver/websocket;
proxy_http_version 1.1;
proxy_set_header Upgrade $http_upgrade;
proxy_set_header Connection $connection_upgrade;
proxy_set_header Host $host;
proxy_set_header X-Real-IP $remote_addr;
proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
proxy_read_timeout 86400;
'';
locations."~ ^/(printer|api|access|machine|server)/".extraConfig = ''
proxy_pass http://apiserver$request_uri;
proxy_set_header Host $host;
proxy_set_header X-Real-IP $remote_addr;
proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
proxy_set_header X-Scheme $scheme;
'';
extraConfig = ''
client_max_body_size 512M;
'';
};
};
}