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| author | Kevin O'Connor <kevin@koconnor.net> | 2019-06-25 18:15:17 -0400 |
|---|---|---|
| committer | Kevin O'Connor <kevin@koconnor.net> | 2019-06-25 18:19:05 -0400 |
| commit | 6ec7dee07d20de1a58c2c0b103513efb45d7d205 (patch) | |
| tree | 76cf1b1ae31fcbef040259634d102b8eea1098ed /klippy/extras/tmc2130.py | |
| parent | 79c24f95b3e87957056b943b8883e88031846798 (diff) | |
| download | kutter-6ec7dee07d20de1a58c2c0b103513efb45d7d205.tar.gz kutter-6ec7dee07d20de1a58c2c0b103513efb45d7d205.tar.xz kutter-6ec7dee07d20de1a58c2c0b103513efb45d7d205.zip | |
tmc: It's not valid to schedule messages with print_time=0
A print_time of zero may translate to a negative clock on a secondary
micro-controller, which would cause an internal error. Change the
code to pass a real print_time or None if it is not needed.
Signed-off-by: Kevin O'Connor <kevin@koconnor.net>
Diffstat (limited to 'klippy/extras/tmc2130.py')
| -rw-r--r-- | klippy/extras/tmc2130.py | 8 |
1 files changed, 5 insertions, 3 deletions
diff --git a/klippy/extras/tmc2130.py b/klippy/extras/tmc2130.py index 4dce19c9..bb235962 100644 --- a/klippy/extras/tmc2130.py +++ b/klippy/extras/tmc2130.py @@ -186,12 +186,14 @@ class MCU_TMC_SPI: params = self.spi.spi_transfer([reg, 0x00, 0x00, 0x00, 0x00]) pr = bytearray(params['response']) return (pr[1] << 24) | (pr[2] << 16) | (pr[3] << 8) | pr[4] - def set_register(self, reg_name, val, print_time=0.): - min_clock = self.spi.get_mcu().print_time_to_clock(print_time) + def set_register(self, reg_name, val, print_time=None): + minclock = 0 + if print_time is not None: + minclock = self.spi.get_mcu().print_time_to_clock(print_time) reg = Registers[reg_name] data = [(reg | 0x80) & 0xff, (val >> 24) & 0xff, (val >> 16) & 0xff, (val >> 8) & 0xff, val & 0xff] - self.spi.spi_send(data, min_clock) + self.spi.spi_send(data, minclock) ###################################################################### |