diff options
Diffstat (limited to 'klippy/extras')
| -rw-r--r-- | klippy/extras/tmc_uart.py | 9 |
1 files changed, 7 insertions, 2 deletions
diff --git a/klippy/extras/tmc_uart.py b/klippy/extras/tmc_uart.py index 32e74b24..85be0149 100644 --- a/klippy/extras/tmc_uart.py +++ b/klippy/extras/tmc_uart.py @@ -70,7 +70,8 @@ def lookup_tmc_uart_mutex(mcu): pmutexes.mcu_to_mutex[mcu] = mutex return mutex -TMC_BAUD_RATE = 9000 +TMC_BAUD_RATE = 40000 +TMC_BAUD_RATE_AVR = 9000 # Code for sending messages on a TMC uart class MCU_TMC_uart_bitbang: @@ -90,7 +91,11 @@ 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. / TMC_BAUD_RATE) + baud = TMC_BAUD_RATE + mcu_type = self.mcu.get_constants().get("MCU", "") + if mcu_type.startswith("atmega") or mcu_type.startswith("at90usb"): + baud = TMC_BAUD_RATE_AVR + bit_ticks = self.mcu.seconds_to_clock(1. / baud) 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)) |