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-rw-r--r--klippy/extras/tmc_uart.py4
1 files changed, 3 insertions, 1 deletions
diff --git a/klippy/extras/tmc_uart.py b/klippy/extras/tmc_uart.py
index 2e37cc43..b87dfca9 100644
--- a/klippy/extras/tmc_uart.py
+++ b/klippy/extras/tmc_uart.py
@@ -53,6 +53,8 @@ class MCU_analog_mux:
# TMC uart communication
######################################################################
+TMC_BAUD_RATE = 9000
+
# Code for sending messages on a TMC uart
class MCU_TMC_uart_bitbang:
def __init__(self, rx_pin_params, tx_pin_params, select_pins_desc):
@@ -71,7 +73,7 @@ class MCU_TMC_uart_bitbang:
self.tmcuart_send_cmd = None
self.mcu.register_config_callback(self.build_config)
def build_config(self):
- bit_ticks = self.mcu.seconds_to_clock(1. / 9000.)
+ bit_ticks = self.mcu.seconds_to_clock(1. / TMC_BAUD_RATE)
self.mcu.add_config_cmd(
"config_tmcuart oid=%d rx_pin=%s pull_up=%d tx_pin=%s bit_time=%d"
% (self.oid, self.rx_pin, self.pullup, self.tx_pin, bit_ticks))