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https://github.com/logicog/RTLPlayground.git
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HL Yi
a56e2a419b
i2c-bus is required argument replace --bus with --i2c-bus for i2c_dump_rtl_regs.py for better consistency format lint clean up
39 lines
1.0 KiB
Python
Executable File
39 lines
1.0 KiB
Python
Executable File
#!/usr/bin/env python3
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import argparse
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from smbus2 import SMBus, i2c_msg
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# Configuration
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DEVICE_ADDR = 0x5C # Replace with your device address
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NUM_BYTES = 16 # Bytes to read
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# Parse command line arguments
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parser = argparse.ArgumentParser(description="Dump RTL registers via I2C")
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parser.add_argument(
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"-b",
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"--i2c-bus",
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type=int,
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required=True,
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help="I2C bus number (use i2cdetect -l to find out the bus number of the dongle)",
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)
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args = parser.parse_args()
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# Open I2C bus
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with SMBus(args.i2c_bus) as bus:
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for addr in range(0, 65536, NUM_BYTES):
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# Create write message (send register address)
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write = i2c_msg.write(DEVICE_ADDR, [addr >> 8, addr & 0xFF])
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# Create read message (read 2 bytes)
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read = i2c_msg.read(DEVICE_ADDR, NUM_BYTES)
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# Perform combined transaction
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bus.i2c_rdwr(write, read)
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new_data = list(read)
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# Convert read message to string
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datastr = " ".join([f"{x:02x}" for x in new_data])
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print(f"{addr:04x}: {datastr}")
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