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8 Commits

Author SHA1 Message Date
Kevin O'Connor 273a98d39a pins: Explicitly pass can_invert and can_pullup to lookup_pin() 
Don't pass pin_type to lookup_pin() - instead, if a pin can be
inverted or can have a pullup, then the caller must explicitly specify
that when calling lookup_pin().  This simplifies the code for the
cases where it is not valid to invert or pullup.

Explicitly pass the pin_type to setup_pin() and have ppins.setup_pin()
apply default pullup and invert flags.

Signed-off-by: Kevin O'Connor <kevin@koconnor.net>
 2018-07-26 09:44:45 -04:00
Kevin O'Connor b41770caa6 tmc2130: Add a DUMP_TMC helper command 
Signed-off-by: Kevin O'Connor <kevin@koconnor.net>
 2018-06-30 19:01:56 -04:00
Kevin O'Connor 5ae22a5e51 tmc2130: Allow the PWMCONF register to be configured 
Signed-off-by: Kevin O'Connor <kevin@koconnor.net>
 2018-05-25 11:38:27 -04:00
Kevin O'Connor 1e6fa5722a tmc2130: Initial support for sensorless homing 
Signed-off-by: Kevin O'Connor <kevin@koconnor.net>
 2018-05-25 11:38:23 -04:00
Kevin O'Connor 26246b1f28 tmc2130: Use an SPI rate of 4Mhz 
The spec recommends 4Mhz for SPI, so use that.

Signed-off-by: Kevin O'Connor <kevin@koconnor.net>
 2018-05-25 11:38:18 -04:00
Kevin O'Connor 3799f40f29 tmc2130: Configure stealthchop velocity limit 
Change stealhchop config option to a stealthchop_threshold
configuration option.

Signed-off-by: Kevin O'Connor <kevin@koconnor.net>
 2018-05-25 11:38:12 -04:00
Kevin O'Connor c4fe43ffce tmc2130: The default TOFF time should be 4 
The recommended TOFF time in "standalone mode" according to the
tmc2130 is 4, so use that as the default.

Signed-off-by: Kevin O'Connor <kevin@koconnor.net>
 2018-05-24 10:44:45 -04:00
Kevin O'Connor 680c92de40 tmc2130: Add initial support for TMC2130 stepper motor drivers 
Signed-off-by: Kevin O'Connor <kevin@koconnor.net>
 2018-05-20 18:03:06 -04:00