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87e769a87e
Added FIFO support to Acc and Gyro with watermark interrupt management. Watermark is configurable setting macro CONFIG_ACCEL_FIFO_THRES properly (board.h) BUG=b:73546254 BRANCH=master TEST=Pass CTS test cheets_CTS_N.7.1_r15.x86.CtsHardwareTestCases on meowth. TEST=Tested on discovery (target stmems) BOARD with LSM6DSM connected to EC i2c master bus. Using motion sense console commands is possible to: - enable sensor (accelinit 0, accelinit 1 for acc and gyro) - set ODR (accelrate 0 x, accelrate 1 y where x, y are mHz) - show sensor data (accelinfo on <time> where time is in ms) Using this procedure is possible to see Green Led of Discovery Board Blinking each time an interrupt from FIFO arrives. To be sure to generate interrupt is better to use high ODR and low time in accelinfo. Change-Id: Icf95b0e889dc806206b8ca50e74636e6a2441a18 Signed-off-by: Mario Tesi <mario.tesi@st.com> Reviewed-on: https://chromium-review.googlesource.com/467326 Commit-Ready: Gwendal Grignou <gwendal@chromium.org> Tested-by: Gwendal Grignou <gwendal@chromium.org> Reviewed-by: Gwendal Grignou <gwendal@chromium.org>
For an overview of the Embedded Controller firmware, refer to http://www.chromium.org/chromium-os/2014-firmware-summit For instructions on building from source, refer to http://www.chromium.org/chromium-os/ec-development/getting-started-building-ec-images-quickly