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scripts/libraries: Update rpc_i2c_master to use the machine module.
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@ -468,24 +468,20 @@ class rpc_can_slave(rpc_slave):
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class rpc_i2c_master(rpc_master):
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def __init__(self, slave_addr=0x12, rate=100000, i2c_bus=2): # private
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import pyb
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self.__addr = slave_addr
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self.__freq = rate
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self.__i2c = pyb.I2C(i2c_bus)
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self.__i2c = machine.I2C(i2c_bus, freq=self.__freq)
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rpc_master.__init__(self)
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self._stream_writer_queue_depth_max = 1
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def get_bytes(self, buff, timeout_ms): # protected
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import pyb
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view = memoryview(buff)
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for i in range(0, len(view), 65535):
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time.sleep_us(100) # Give slave time to get ready.
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self.__i2c.init(pyb.I2C.MASTER, baudrate=self.__freq, dma=True)
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try:
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self.__i2c.recv(view[i : i + 65535], self.__addr, timeout=timeout_ms)
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self.__i2c.readfrom_into(self.__addr, view[i : i + 65535])
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except OSError:
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view = None
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self.__i2c.deinit()
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if view is None:
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break
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if view is None or self._same(view, len(view)):
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@ -493,16 +489,13 @@ class rpc_i2c_master(rpc_master):
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return view
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def put_bytes(self, data, timeout_ms): # protected
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import pyb
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view = memoryview(data)
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for i in range(0, len(view), 65535):
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time.sleep_us(100) # Give slave time to get ready.
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self.__i2c.init(pyb.I2C.MASTER, baudrate=self.__freq, dma=True)
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try:
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self.__i2c.send(view[i : i + 65535], self.__addr, timeout=timeout_ms)
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self.__i2c.writeto(self.__addr, view[i : i + 65535])
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except OSError:
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view = None
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self.__i2c.deinit()
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if view is None:
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break
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