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mattytrentini/i2cdetect.py

Created October 14, 2023 23:51
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i2cdetect in MicroPython
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i2cdetect.py
def i2cdetect(addresses):
print(" 0 1 2 3 4 5 6 7 8 9 a b c d e f")
for i in range(0x8):
print(f"{i*0x10:02x}:", end="")
for j in range(0x10):
addr = i * 0x10 + j
if 0x02 < addr < 0x78:
if addr in addresses:
print(f" {addr:02x}", end="")
else:
print(" --", end="")
else:
print(" ", end="")
print("")
addrs = [0x30, 0x36, 0x50, 0x52]
i2cdetect(addrs)
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Output matches Linux's i2cdetect:

     0  1  2  3  4  5  6  7  8  9  a  b  c  d  e  f
00:          -- -- -- -- -- -- -- -- -- -- -- -- --
10: -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- --
20: -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- --
30: 30 -- -- -- -- -- 36 -- -- -- -- -- -- -- -- --
40: -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- --
50: 50 -- 52 -- -- -- -- -- -- -- -- -- -- -- -- --
60: -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- --
70: -- -- -- -- -- -- -- --

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