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020ca5ac2c
Previously, when a sercom pin specified the mcu (myname:PIN), it would result in a pin enumeration error. Signed-off-by: John Jardine <john@gprime.net>
42 lines
1.6 KiB
Python
42 lines
1.6 KiB
Python
# SAMD Sercom configuration
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#
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# Copyright (C) 2019 Florian Heilmann <Florian.Heilmann@gmx.net>
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#
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# This file may be distributed under the terms of the GNU GPLv3 license.
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class SamdSERCOM:
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def __init__(self, config):
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self.printer = config.get_printer()
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self.name = config.get_name().split()[1]
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self.tx_pin = config.get("tx_pin")
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self.rx_pin = config.get("rx_pin", None)
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self.clk_pin = config.get("clk_pin")
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ppins = self.printer.lookup_object("pins")
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tx_pin_params = ppins.lookup_pin(self.tx_pin)
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self.mcu = tx_pin_params['chip']
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self.mcu.add_config_cmd(
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"set_sercom_pin bus=%s sercom_pin_type=tx pin=%s" % (
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self.name, tx_pin_params['pin']))
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clk_pin_params = ppins.lookup_pin(self.clk_pin)
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if self.mcu is not clk_pin_params['chip']:
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raise ppins.error("%s: SERCOM pins must be on same mcu" % (
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config.get_name(),))
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self.mcu.add_config_cmd(
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"set_sercom_pin bus=%s sercom_pin_type=clk pin=%s" % (
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self.name, clk_pin_params['pin']))
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if self.rx_pin:
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rx_pin_params = ppins.lookup_pin(self.rx_pin)
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if self.mcu is not rx_pin_params['chip']:
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raise ppins.error("%s: SERCOM pins must be on same mcu" % (
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config.get_name(),))
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self.mcu.add_config_cmd(
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"set_sercom_pin bus=%s sercom_pin_type=rx pin=%s" % (
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self.name, rx_pin_params['pin']))
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def load_config_prefix(config):
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return SamdSERCOM(config)
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