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honeniq/i2c_scanner.rb

Created December 4, 2016 06:56
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I2C device address scannner for GR-CITRUS.
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i2c_scanner.rb
#!mruby
@Usb = Serial.new(0, 115200)
@Dev = I2c.new(1) # SDA=>pin0, SCL=>pin1
@Address = 0x00 # Register address to read.
@Usb.println("I2C Scanner")
(1..127).each do |i|
r = @Dev.read(i, @Address)
@Usb.println(i.to_s(16) + ' ' + r.to_s(16)) if r != 255
end
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