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chipmisc: Add support for configuring ad5206 digipots

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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
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19
config/generic-rambo.cfg
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@@ -76,13 +76,6 @@ pin: PH5
[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 +84,18 @@ max_accel: 3000
max_z_velocity: 5
max_z_accel: 100
[ad5206 stepper_digipot]
enable_pin: PD7
# Scale the config so that the channel value can be specified in amps.
# (For Rambo v1.0d boards, use 1.56 instead.)
scale: 2.08
# Channel 1 is E0, 2 is E1, 3 is unused, 4 is Z, 5 is X, 6 is Y
channel_1: 1.34
channel_2: 1.0
channel_4: 1.1
channel_5: 1.1
channel_6: 1.1
# Enable 16 micro-steps on steppers X, Y, Z, E0, E1
[static_digital_output stepper_config]
pins: