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34be012661
We only power, clock and enable the peripepheral when / if we need it * We no longer automatically turn on the SERIAL PD when the CM3 is running * Make sure the I2C peripheral is accessible (powered and clocked) before any operation * If the peripheral is not accessible, automatically power it up and run the clock * Put SDA, SCL, SDA HP and SCL HP in a low-leakage state when shutting down * Don't automatically fire up the I2C controller when we wake up
The Contiki Operating System
Contiki is an open source operating system that runs on tiny low-power microcontrollers and makes it possible to develop applications that make efficient use of the hardware while providing standardized low-power wireless communication for a range of hardware platforms.
Contiki is used in numerous commercial and non-commercial systems, such as city sound monitoring, street lights, networked electrical power meters, industrial monitoring, radiation monitoring, construction site monitoring, alarm systems, remote house monitoring, and so on.
For more information, see the Contiki website: