chipmisc: Add support for configuring ad5206 digipots

Support an "ad5206" config section so that one can configure the
digipots found on Reprap "RAMBo" boards.

Signed-off-by: Kevin O'Connor <kevin@koconnor.net>
This commit is contained in:
Kevin O'Connor
2017-08-25 13:52:10 -04:00
parent 9d75c3b0ca
commit 931811ab59
4 changed files with 80 additions and 14 deletions

View File

@@ -76,13 +76,6 @@ hard_pwm: 1
[mcu]
serial: /dev/ttyACM0
custom:
# Initialize digipot
send_spi_message pin=PD7 msg=0487 # X = ~0.75A
send_spi_message pin=PD7 msg=0587 # Y = ~0.75A
send_spi_message pin=PD7 msg=0387 # Z = ~0.75A
send_spi_message pin=PD7 msg=00A5 # E0
send_spi_message pin=PD7 msg=017D # E1
[printer]
kinematics: cartesian
@@ -91,6 +84,17 @@ max_accel: 3000
max_z_velocity: 25
max_z_accel: 30
[ad5206 stepper_digipot]
enable_pin: PD7
# Scale the config so that the channel value can be specified in amps
scale: 1.56
# Channel 1 is E0, 2 is E1, 3 is unused, 4 is Z, 5 is X, 6 is Y
channel_1: 1.0
channel_2: 0.75
channel_4: 0.82
channel_5: 0.82
channel_6: 0.82
# Enable 8 micro-steps on steppers X, Y, Z, E0
[static_digital_output stepper_config]
pins: