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27 lines
632 B
27 lines
632 B
-- This script scans for devices on the i2c bus |
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local address = 0 |
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local found = 0 |
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local i2c_bus = i2c.get_device(0,0) |
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i2c_bus:set_retries(10) |
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function update() -- this is the loop which periodically runs |
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i2c_bus:set_address(address) |
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if i2c_bus:read_registers(0) then |
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gcs:send_text(0, "Found I2C at " .. tostring(address)) |
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found = found + 1 |
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end |
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address = address + 1 |
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if address == 127 then |
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address = 0 |
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gcs:send_text(0, "Found " .. tostring(found) .. " devices") |
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found = 0 |
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end |
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return update, 100 -- reschedules the loop |
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end |
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return update() -- run immediately before starting to reschedule
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