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Last modification
- Rev 137 2009-08-20 00:48:06
- Author: killagreg
- Log message:
- the crc calculation in the i2c protocol to the mk3mag is now changed to an bitwise inverted crc. This enables the detection of communicatin errors (corrupt packets) where the data packet consist of a byte stream of 0x00.
Due to the lower i2c irq priority this could happen at a regular interval producing rarly the reading of 0 deg for the compass heading.
This version 0.16b is only compatible to the adopted firmware version 0.21d of the mk3mag.