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tmc: add enriched SPI read

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Currently TMC spi just drop the data that could be useful.
Export that data.

Signed-off-by: Timofey Titovets <nefelim4ag@gmail.com>
This commit is contained in:
Timofey Titovets 2025-06-09 18:10:25 +02:00 • committed by KevinOConnor
parent 993cec0891
commit 33bd67f9b7
1 changed files with 16 additions and 5 deletions
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21
klippy/extras/tmc2130.py
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@ -200,12 +200,21 @@ class MCU_TMC_SPI_chain:
cmd = self._build_cmd([reg, 0x00, 0x00, 0x00, 0x00], chain_pos)
self.spi.spi_send(cmd)
if self.printer.get_start_args().get('debugoutput') is not None:
return 0
return {
"spi_status": 0,
"data": 0,
"#receive_time": .0,
}
params = self.spi.spi_transfer(cmd)
pr = bytearray(params['response'])
pr = pr[(self.chain_len - chain_pos) * 5 :
(self.chain_len - chain_pos + 1) * 5]
return (pr[1] << 24) | (pr[2] << 16) | (pr[3] << 8) | pr[4]
return {
"spi_status": pr[0],
"data": (pr[1] << 24) | (pr[2] << 16) | (pr[3] << 8) | pr[4],
"#receive_time": params["#receive_time"],
}
def reg_write(self, reg, val, chain_pos, print_time=None):
minclock = 0
if print_time is not None:
@ -258,11 +267,13 @@ class MCU_TMC_SPI:
self.tmc_frequency = tmc_frequency
def get_fields(self):
return self.fields
def get_register(self, reg_name):
def get_register_raw(self, reg_name):
reg = self.name_to_reg[reg_name]
with self.mutex:
read = self.tmc_spi.reg_read(reg, self.chain_pos)
return read
resp = self.tmc_spi.reg_read(reg, self.chain_pos)
return resp
def get_register(self, reg_name):
return self.get_register_raw(reg_name)["data"]
def set_register(self, reg_name, val, print_time=None):
reg = self.name_to_reg[reg_name]
with self.mutex: