43 lines
954 B
Python
Executable File
43 lines
954 B
Python
Executable File
#!/usr/bin/env python3
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import os
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from smbus2 import SMBus
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def setup_fan():
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os.system("echo 2 > /sys/module/dwc3_msm/parameters/otg_switch")
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bus = SMBus(7, force=True)
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try:
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bus.write_byte_data(0x21, 0x10, 0xf) # mask all interrupts
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bus.write_byte_data(0x21, 0x03, 0x1) # set drive current and global interrupt disable
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bus.write_byte_data(0x21, 0x02, 0x2) # needed?
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bus.write_byte_data(0x21, 0x04, 0x4) # manual override source
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print("OP detected")
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ret = False
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except IOError:
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print("LEON detected")
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ret = True
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bus.close()
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return ret
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def get_fan_type():
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if not setup_fan():
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return
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bus = SMBus(7, force=True)
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try:
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# alternate type
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bus.write_i2c_block_data(0x3d, 0, [0x1])
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print("Alternate type detected")
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return
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except IOError:
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# tusb320 type
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print("tusb320 type detected")
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bus.close()
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def main(gctx=None):
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get_fan_type()
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if __name__ == "__main__":
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main()
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