diff options
Diffstat (limited to 'klippy')
| -rw-r--r-- | klippy/extras/samd_sercom.py | 46 |
1 files changed, 46 insertions, 0 deletions
diff --git a/klippy/extras/samd_sercom.py b/klippy/extras/samd_sercom.py new file mode 100644 index 00000000..2861cf6a --- /dev/null +++ b/klippy/extras/samd_sercom.py @@ -0,0 +1,46 @@ +# SAMD Sercom configuration +# +# Copyright (C) 2019 Florian Heilmann <Florian.Heilmann@gmx.net> +# +# This file may be distributed under the terms of the GNU GPLv3 license. + +class SamdSERCOM: + def __init__(self, config): + self.printer = config.get_printer() + self.name = config.get_name().split()[1] + ppins = self.printer.lookup_object("pins") + try: + int(self.name) + except ValueError: + raise ppins.error("%s: SERCOM name must be an integer" % ( + config.get_name(),)) + + self.tx_pin = config.get("tx_pin") + self.rx_pin = config.get("rx_pin", None) + self.clk_pin = config.get("clk_pin") + + tx_pin_params = ppins.lookup_pin(self.tx_pin) + self.mcu = tx_pin_params['chip'] + self.mcu.add_config_cmd( + "set_sercom_pin sercom_id=%s pin_type=%d pin=%s" % ( + self.name, 0, self.tx_pin)) + + clk_pin_params = ppins.lookup_pin(self.clk_pin) + if self.mcu is not clk_pin_params['chip']: + raise ppins.error("%s: SERCOM pins must be on same mcu" % ( + config.get_name(),)) + self.mcu.add_config_cmd( + "set_sercom_pin sercom_id=%s pin_type=%d pin=%s" % ( + self.name, 2, self.clk_pin)) + + if self.rx_pin: + rx_pin_params = ppins.lookup_pin(self.rx_pin) + if self.mcu is not rx_pin_params['chip']: + raise ppins.error("%s: SERCOM pins must be on same mcu" % ( + config.get_name(),)) + self.mcu.add_config_cmd( + "set_sercom_pin sercom_id=%s pin_type=%d pin=%s" % ( + self.name, 1, self.rx_pin)) + +def load_config_prefix(config): + return SamdSERCOM(config) |