Currently it supports only bqfs flashing. Retrieved from ” http: This series is also available at git: Navigation menu Personal tools Log in Request account. If you are building bqtool using Android build system as above here is a caveat.
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Poll battery state bq27x This page was last modified on 9 Octoberat Add bq support bq27x If you are building bqtool using Android build system as above here is a caveat. The driver does not have linx mechanism to save and restore Ra values and Qmax as suggested in the Quick Start Guide of bqxx devices.
Currently it supports only bqfs flashing. Tue, 22 Feb In some versions of Android, Bionic’s include folder doesn’t contain “i2c-dev.
CONFIG_BATTERY_BQ27x00: BQ27200 battery driver
Prepare code for addition of linyx platform driver bq27x Navigation menu Personal tools Log in Request account. This page has been accessed 4, times. File IO is not supported in the kernel, so this will have to be done from the user-land. Look for an array like this:. Using two transfers was kind of racy and caused wrong results to be returned sometimes.
The polling happens along with the polling of other parameters such as CurrentSOC etc and the period for this polling loop is customizable. The registers to initialized in the DM may be bq2720 in the code in an array like this:.
Release 4.9 drivers/power/supply/bq27xxx_battery_i2c.c
This will require the driver to store these parameters in a file and retrieve them later. Replace “bqxx” in this example with the correct device for your platform. For technical support please post your questions at http: The following patch demonstrates how bqxx support was added on Beaglebone Black assuming it is connected to I2C1 bus. Add type property bq27x Give more specific reports on battery status bq27x Improve temperature property precession bq27x Previously in such a case uevent generation would have been aborted with an error.
From Texas Instruments Wiki.
bq27x New Properties, fixes, bq support 
This series has so far been tested with the bq and the bq battery, but not with the bq battery, so it would be nice if somebody with a board containing such a battery could test the patches to make sure that there are no regressions. Although bqtool is created for Android it can be bq27200 ported for any Linux system. Add new properties bq27x The other patch fixes the i2c read function to use a single i2c transfer to read a register instead of two transfers.
Retrieved from ” http: However, more features will be added in the future. This means it will reload default values every time the battery is inserted.
New Properties, fixes, bq support.
On the other hand it allows the property to be queried at a higher rate then the bq272200 time. This series is also available at git: Views Read View source View history. Please note as of Wednesday, August 15th, this wiki has been set to read only.