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alepez/24xx_i2c_address.rb

Last active December 20, 2015 03:19
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Calculate 24xx eeprom addresses relationship with A0-A1-A2
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24xx_i2c_address.rb
8.times { |i| p "0x#{(0x50 + i).to_s(16)} => A0: #{(i & 0x1) == 1 ? "HIGH" : "LOW "}, A1: #{((i & 0x2) >> 1) == 1 ? "HIGH" : "LOW "}, A2: #{((i & 0x4) >> 2) == 1 ? "HIGH" : "LOW "}" }
# "0x50 => A0: LOW , A1: LOW , A2: LOW "
# "0x51 => A0: HIGH, A1: LOW , A2: LOW "
# "0x52 => A0: LOW , A1: HIGH, A2: LOW "
# "0x53 => A0: HIGH, A1: HIGH, A2: LOW "
# "0x54 => A0: LOW , A1: LOW , A2: HIGH"
# "0x55 => A0: HIGH, A1: LOW , A2: HIGH"
# "0x56 => A0: LOW , A1: HIGH, A2: HIGH"
# "0x57 => A0: HIGH, A1: HIGH, A2: HIGH"
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