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24 lines
943 B
24 lines
943 B
4 years ago
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#
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# stm32_serialbuffer.py
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#
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Import("env")
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# Marlin has `RX_BUFFER_SIZE` and `TX_BUFFER_SIZE` to configure the
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# buffer size for receiving and transmitting data respectively.
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# Stm32duino uses another set of defines for the same purpose,
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# so we get the values from the Marlin configuration and set
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# them in `SERIAL_RX_BUFFER_SIZE` and `SERIAL_TX_BUFFER_SIZE`.
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# It is not possible to change the values at runtime, they must
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# be set with build flags.
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#
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# The script will set the value as the default one (64 bytes)
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# or the user-configured one, whichever is higher.
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mf = env["MARLIN_FEATURES"]
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rxBuf = str(max(64, int(mf["RX_BUFFER_SIZE"]) if "RX_BUFFER_SIZE" in mf else 0))
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txBuf = str(max(64, int(mf["TX_BUFFER_SIZE"]) if "TX_BUFFER_SIZE" in mf else 0))
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build_flags = env.get('BUILD_FLAGS')
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build_flags.append("-DSERIAL_RX_BUFFER_SIZE=" + rxBuf)
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build_flags.append("-DSERIAL_TX_BUFFER_SIZE=" + txBuf)
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env.Replace(BUILD_FLAGS=build_flags)
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