powdbench

AM powder test rig

Serial protocol

From MCU to host

• inf = information
• err = error
• par = sd card setting
• sta = machine status
• mov = motor moving
• run = program running
• nru = idle
• mvd = manuel move finished
• pos = motor position

From host to MCU

• par = reglage a enregister sur la carte sd
• apa = sd card settings query
• str = start program
• stp = stop program
• mov = 1:powder, 2:head, 3:bed
• sta = stati request
• hme = got to 0
• hm1 = powder 0
• hm2 = head 0
• hm3 = bed 0
• pos = motor position query
• sep = set motor position
• rst = MCU reset
• ctn = continue program

Errors

• SD card init error: err01
• Setting parse error: err02
• Setting write error: err03

Info

• SD card init successfull: inf01
• Setting parsing successfull: inf02
• Setting write successfull: inf03
• Program started: inf04
• Program stopeed: inf05
• Motors homed: inf06
• Program can continue: inf08

SD card settings file format

Each line should only contain a number

• poudre_step_mm step/mm

• chariot_step_mm step/mm

• lit_step_mm step/mm

• poudre_speed mm/s

• chariot_speed mm/s

• lit_speed mm/s

• poudre_acceleration mm/s²

• chariot_acceleration mm/s²

• lit_acceleration mm/s²

• poudre_position mm

• chariot_position mm

• lit_position mm

• multiplicateur_premieres_couche int

• nombre de couhe affecté par multiplicateur int

• nombre de couche

• delai entre chaque passe secondes

• delai partout