pru: Add documentation and install scripts for running on the PRU

Signed-off-by: Kevin O'Connor <kevin@koconnor.net>

1 files changed, 75 insertions, 0 deletions

diff --git a/config/generic-cramps.cfg b/config/generic-cramps.cfg
new file mode 100644
index 00000000..969faaf2
--- /dev/null
+++ b/config/generic-cramps.cfg
@@ -0,0 +1,75 @@
+# This file contains an example configuration for a Beaglebone PRU
+# micro-controller attached to a CRAMPS board.
+
+# THIS FILE HAS NOT BEEN TESTED - PROCEED WITH CAUTION!
+
+# See the example.cfg file for a description of available parameters.
+
+[stepper_x]
+step_pin: P8_13
+dir_pin: P8_12
+enable_pin: !P9_14
+step_distance: .0125
+endstop_pin: ^P8_8
+homing_speed: 50
+position_endstop: 0
+position_max: 200
+
+[stepper_y]
+step_pin: P8_15
+dir_pin: P8_14
+enable_pin: !P9_14
+step_distance: .0125
+endstop_pin: ^P8_10
+homing_speed: 50
+position_endstop: 0
+position_max: 200
+
+[stepper_z]
+step_pin: P8_19
+dir_pin: P8_18
+enable_pin: !P9_14
+step_distance: 0.00025
+endstop_pin: ^P9_13
+homing_speed: 5
+position_endstop: 0
+position_max: 200
+
+[extruder]
+step_pin: P9_16
+dir_pin: P9_12
+enable_pin: !P9_14
+step_distance: .002
+nozzle_diameter: 0.400
+filament_diameter: 1.750
+heater_pin: P9_15
+sensor_type: EPCOS 100K B57560G104F
+sensor_pin: P9_36
+control: pid
+pid_Kp: 22.2
+pid_Ki: 1.08
+pid_Kd: 114
+min_temp: 0
+max_temp: 250
+
+[heater_bed]
+heater_pin: P8_11
+sensor_type: EPCOS 100K B57560G104F
+sensor_pin: P9_33
+control: watermark
+min_temp: 0
+max_temp: 130
+
+[fan]
+pin: P9_41
+
+[mcu]
+serial: /dev/rpmsg_30
+pin_map: beaglebone
+
+[printer]
+kinematics: cartesian
+max_velocity: 300
+max_accel: 3000
+max_z_velocity: 5
+max_z_accel: 100