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samd_sercom: Specify the sercom explicitly in a config option

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Do not infer the sercom from the config section name, as that
prevents one from using SPI buses on multiple samd mcus.

Signed-off-by: Kevin O'Connor <kevin@koconnor.net>
This commit is contained in:
Kevin O'Connor 2021-07-03 22:52:42 -04:00
parent df43c9e9bf
commit d1bdde56cc
3 changed files with 18 additions and 11 deletions
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12
klippy/extras/samd_sercom.py
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@ -7,8 +7,8 @@
class SamdSERCOM:
def __init__(self, config):
self.printer = config.get_printer()
self.name = config.get_name().split()[1]
self.sercom = config.get("sercom")
self.tx_pin = config.get("tx_pin")
self.rx_pin = config.get("rx_pin", None)
self.clk_pin = config.get("clk_pin")
@ -18,15 +18,15 @@ class SamdSERCOM:
self.mcu = tx_pin_params['chip']
self.mcu.add_config_cmd(
"set_sercom_pin bus=%s sercom_pin_type=tx pin=%s" % (
self.name, tx_pin_params['pin']))
self.sercom, tx_pin_params['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(),))
raise ppins.error("%s: SERCOM pins must be on same mcu" % (
config.get_name(),))
self.mcu.add_config_cmd(
"set_sercom_pin bus=%s sercom_pin_type=clk pin=%s" % (
self.name, clk_pin_params['pin']))
self.sercom, clk_pin_params['pin']))
if self.rx_pin:
rx_pin_params = ppins.lookup_pin(self.rx_pin)
@ -35,7 +35,7 @@ class SamdSERCOM:
config.get_name(),))
self.mcu.add_config_cmd(
"set_sercom_pin bus=%s sercom_pin_type=rx pin=%s" % (
self.name, rx_pin_params['pin']))
self.sercom, rx_pin_params['pin']))
def load_config_prefix(config):
return SamdSERCOM(config)