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This script used to create a bit-bashed I2C interface in the event that I2C0 was not already enabled. Because the kernel knew of three I2C interfaces already the soft interface appeared as i2c-3. On Pi 4 the highest numbered I2C interface is i2c-6, which causes the soft interface to appear as i2c-7. Work around the issue by giving the soft interface an explicit bus number of 10, guaranteeing that it won't clash on any known system. See: #65 Signed-off-by: Phil Elwell <phil@raspberrypi.org>
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README.txt
Utilities to create, flash and dump HAT EEPROM images. Edit eeprom_setting.txt for your particular board and run through eepmake tool, then use eepflash tool to write to attached HAT ID EEPROM Tools available: eepmake: Parses EEPROM text file and creates binary .eep file eepdump: Dumps a binary .eep file as human readable text (for debug) eepflash: Write or read .eep binary image to/from HAT EEPROM