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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/tmc_uart.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/tmc_uart.py')
| -rw-r--r-- | klippy/extras/tmc_uart.py | 6 |
1 files changed, 4 insertions, 2 deletions
diff --git a/klippy/extras/tmc_uart.py b/klippy/extras/tmc_uart.py index 288fb76d..f5584e8b 100644 --- a/klippy/extras/tmc_uart.py +++ b/klippy/extras/tmc_uart.py @@ -149,8 +149,10 @@ class MCU_TMC_uart_bitbang: params = self.tmcuart_send_cmd.send_with_response( [self.oid, msg, 10], 'tmcuart_response', self.oid) return self._decode_read(reg, params['read']) - def reg_write(self, instance_id, addr, reg, val, print_time=0.): - minclock = self.mcu.print_time_to_clock(print_time) + def reg_write(self, instance_id, addr, reg, val, print_time=None): + minclock = 0 + if print_time is not None: + minclock = self.mcu.print_time_to_clock(print_time) if self.analog_mux is not None: self.analog_mux.activate(instance_id) msg = self._encode_write(0xf5, 0x00, reg | 0x80, val) |