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| -rw-r--r-- | config/sample-duet3-1lc.cfg | 81 | ||||
| -rw-r--r-- | docs/Bootloaders.md | 44 |
2 files changed, 125 insertions, 0 deletions
diff --git a/config/sample-duet3-1lc.cfg b/config/sample-duet3-1lc.cfg new file mode 100644 index 00000000..298c6faf --- /dev/null +++ b/config/sample-duet3-1lc.cfg @@ -0,0 +1,81 @@ +# This file contains common pin mappings for the Duet3 1LC. To use +# this config, the firmware should be compiled for the SAMC21G18 with: +# Bootloader offset of "No Bootloader" +# Clock Reference of "25 Mhz crystal" if the board version is v1.1 or later +# Clock Reference of "12 Mhz crystal" if the board version is v1.0 or earlier +# Communication interface of "CAN bus (on PA25/PA24)" + +# To flash the board use a debugger, or use a raspberry pi and follow +# the instructions at docs/Bootloaders.md fot the SAMC21. You may +# supply power to the 1LC by connecting the 3.3v rail on the Pi to the +# 5v input of the SWD header on the 1LC. + +# See docs/Config_Reference.md for a description of parameters. + + +# Pins for reference, v1.3 board: +# Driver Step Pin - PA27 +# Driver Dir Pin - PA28 +# Driver Enable - !PB2 +# Thermistor Pins - TEMP0:PB9 TEMP1:PA2 +# Pullup Resistor - 2200 +# Vssa Sense:PA6 | Vref Sense:PA7 +# Current Sense resistor for drivers - 0.091ohm +# CAN Pins - CAN0_TX:PA24 CAN0_RX:PA25 +# Heaters - OUT_0:PA11 +# Fan outputs - OUT_1:PA10 OUT_2:PB11 +# Tach Pins for Fans - OUT_1_TACHO:PA13 OUT_2_TACHO:PB10 +# GPIO_out - IO0:PA12 +# GPIO_in - IO0:PA9 IO1:PA21 IO2:PA18 +# Driver Diag - 0:PB3 + +[adc_scaled toolboard_vref_scaled] +vref_pin: toolboard:PA7 +vssa_pin: toolboard:PA6 + +[extruder] +step_pin: toolboard:PA27 +dir_pin: toolboard:PA28 +enable_pin: !toolboard:PB2 +rotation_distance: 23.1336867485061 +gear_ratio: 50:10 +microsteps: 64 +full_steps_per_rotation: 200 +nozzle_diameter: 0.400 +filament_diameter: 1.75 +heater_pin: toolboard:PA11 +sensor_type: PT1000 +sensor_pin: toolboard_vref_scaled:PB9 +pullup_resistor: 2200 +min_temp: 0 +max_temp: 280 +max_power: 1.0 +control: pid +pwm_cycle_time: 0.01666 +pid_Kp: 26.454 +pid_Ki: 1.357 +pid_Kd: 128.955 + +[tmc2209 extruder] +uart_pin: toolboard:PA20 +tx_pin: toolboard:PA22 +interpolate: False +run_current: 0.35 +sense_resistor: 0.091 + +[fan] +pin: toolboard:PA10 +tachometer_pin: toolboard:PA13 + +[heater_fan hotend_fan] +pin: toolboard:PB11 +tachometer_pin: toolboard:PB10 +heater: extruder +heater_temp: 50.0 + +[probe] +pin: toolboard:PA9 +z_offset: 20 + +[mcu toolboard] +canbus_uuid: 4b194673554e diff --git a/docs/Bootloaders.md b/docs/Bootloaders.md index 1f7aa24d..56a81095 100644 --- a/docs/Bootloaders.md +++ b/docs/Bootloaders.md @@ -185,6 +185,50 @@ To flash an application use something like: bossac --port=/dev/ttyACM0 -b -U -e -w -v -R out/klipper.bin ``` +## SAMDC21 micro-controllers (Duet3D Toolboard 1LC) + +The SAMC21 is flashed via the ARM Serial Wire Debug (SWD) interface. +This is commonly done with a dedicated SWD hardware dongle. +Alternatively, one can use a +[Raspberry Pi with OpenOCD](#running-openocd-on-the-raspberry-pi). + +When using OpenOCD with the SAMC21, extra steps must be taken to first +put the chip into Cold Plugging mode if the board makes use of the +SWD pins for other purposes. If using OpenOCD on a Rasberry Pi, this +can be done by running the following commands before invoking OpenOCD. +``` +SWCLK=25 +SWDIO=24 +SRST=18 + +echo "Exporting SWCLK and SRST pins." +echo $SWCLK > /sys/class/gpio/export +echo $SRST > /sys/class/gpio/export +echo "out" > /sys/class/gpio/gpio$SWCLK/direction +echo "out" > /sys/class/gpio/gpio$SRST/direction + +echo "Setting SWCLK low and pulsing SRST." +echo "0" > /sys/class/gpio/gpio$SWCLK/value +echo "0" > /sys/class/gpio/gpio$SRST/value +echo "1" > /sys/class/gpio/gpio$SRST/value + +echo "Unexporting SWCLK and SRST pins." +echo $SWCLK > /sys/class/gpio/unexport +echo $SRST > /sys/class/gpio/unexport +``` + +To flash a program with OpenOCD use the following chip config: +``` +source [find target/at91samdXX.cfg] +``` +Obtain a program; for instance, klipper can be built for this chip. +Flash with OpenOCD commands similar to: +``` +at91samd chip-erase +at91samd bootloader 0 +program out/klipper.elf verify +``` + ## SAMD21 micro-controllers (Arduino Zero) The SAMD21 bootloader is flashed via the ARM Serial Wire Debug (SWD) |