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atsamd: Use enumerations for buses and reserve pins

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Signed-off-by: Kevin O'Connor <kevin@koconnor.net>
This commit is contained in:
Kevin O'Connor 2019-03-31 23:37:17 -04:00
parent 7e8ecfe177
commit bc9fd03dab
9 changed files with 37 additions and 32 deletions
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19
klippy/extras/samd_sercom.py
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@ -8,30 +8,25 @@ 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")
ppins = self.printer.lookup_object("pins")
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))
"set_sercom_pin bus=%s sercom_pin_type=tx pin=%s" % (
self.name, 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))
"set_sercom_pin bus=%s sercom_pin_type=clk pin=%s" % (
self.name, self.clk_pin))
if self.rx_pin:
rx_pin_params = ppins.lookup_pin(self.rx_pin)
@ -39,8 +34,8 @@ class SamdSERCOM:
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))
"set_sercom_pin bus=%s sercom_pin_type=rx pin=%s" % (
self.name, self.rx_pin))
def load_config_prefix(config):
return SamdSERCOM(config)