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tmc2130: Verify SPI register writes

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The tmc2130 (and tmc5160) will respond back with the value written
during the next SPI command.  Use this feature to verify that the
value written matches the value sent.

Signed-off-by: Kevin O'Connor <kevin@koconnor.net>
This commit is contained in:
Kevin O'Connor
2021-03-10 13:55:14 -05:00
parent 3ea2e4fc58
commit 7dd2bf4af3
4 changed files with 41 additions and 11 deletions
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10
klippy/extras/bus.py
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@@ -92,8 +92,14 @@ class MCU_SPI:
return
self.spi_send_cmd.send([self.oid, data],
minclock=minclock, reqclock=reqclock)
def spi_transfer(self, data):
return self.spi_transfer_cmd.send([self.oid, data])
def spi_transfer(self, data, minclock=0, reqclock=0):
return self.spi_transfer_cmd.send([self.oid, data],
minclock=minclock, reqclock=reqclock)
def spi_transfer_with_preface(self, preface_data, data,
minclock=0, reqclock=0):
return self.spi_transfer_cmd.send_with_preface(
self.spi_send_cmd, [self.oid, preface_data], [self.oid, data],
minclock=minclock, reqclock=reqclock)
# Helper to setup an spi bus from settings in a config section
def MCU_SPI_from_config(config, mode, pin_option="cs_pin",